diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-06-16 11:20:57 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-06-16 11:20:57 +0200 |
| commit | fd2c17e1777d46cff14c25ea774a4d17459d188a (patch) | |
| tree | e8299216de8e99418195ba64bcf8f679df3a66b3 /arch/mips | |
| parent | 74e411cb6443d8bcb55fbe89fcc7a9ee574df91b (diff) | |
| parent | 066519068ad2fbe98c7f45552b1f592903a9c8c8 (diff) | |
Merge branch 'linus' into x86/timerstip-x86-timers-2008-06-16_09.20_Mon
Diffstat (limited to 'arch/mips')
74 files changed, 1136 insertions, 1294 deletions
diff --git a/arch/mips/au1000/common/Makefile b/arch/mips/au1000/common/Makefile index 90e2d7a46e8e..dd0e19dacfcf 100644 --- a/arch/mips/au1000/common/Makefile +++ b/arch/mips/au1000/common/Makefile @@ -1,9 +1,8 @@ # -# Copyright 2000 MontaVista Software Inc. -# Author: MontaVista Software, Inc. -# ppopov@mvista.com or source@mvista.com +# Copyright 2000, 2008 MontaVista Software Inc. +# Author: MontaVista Software, Inc. <source@mvista.com> # -# Makefile for the Alchemy Au1000 CPU, generic files. +# Makefile for the Alchemy Au1xx0 CPUs, generic files. # obj-y += prom.o irq.o puts.o time.o reset.o \ diff --git a/arch/mips/au1000/common/au1xxx_irqmap.c b/arch/mips/au1000/common/au1xxx_irqmap.c index 37a10a01de9d..c7ca1596394c 100644 --- a/arch/mips/au1000/common/au1xxx_irqmap.c +++ b/arch/mips/au1000/common/au1xxx_irqmap.c @@ -40,20 +40,20 @@ struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = { #if defined(CONFIG_SOC_AU1000) - { AU1000_UART0_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_UART1_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_UART2_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_UART3_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_SSI0_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_SSI1_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+1, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+2, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+3, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+4, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+5, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+6, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+7, INTC_INT_HIGH_LEVEL, 0}, + { AU1000_UART0_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_UART1_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_UART2_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_UART3_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_SSI0_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_SSI1_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+1, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+2, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+3, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+4, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+5, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+6, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+7, INTC_INT_HIGH_LEVEL, 0 }, { AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 }, @@ -62,32 +62,32 @@ struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = { { AU1000_RTC_MATCH0_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_RTC_MATCH1_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_RTC_MATCH2_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_IRDA_TX_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_IRDA_RX_INT, INTC_INT_HIGH_LEVEL, 0}, + { AU1000_IRDA_TX_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_IRDA_RX_INT, INTC_INT_HIGH_LEVEL, 0 }, { AU1000_USB_DEV_REQ_INT, INTC_INT_HIGH_LEVEL, 0 }, { AU1000_USB_DEV_SUS_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_USB_HOST_INT, INTC_INT_LOW_LEVEL, 0 }, { AU1000_ACSYNC_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_MAC1_DMA_INT, INTC_INT_HIGH_LEVEL, 0}, + { AU1000_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_MAC1_DMA_INT, INTC_INT_HIGH_LEVEL, 0 }, { AU1000_AC97C_INT, INTC_INT_RISE_EDGE, 0 }, #elif defined(CONFIG_SOC_AU1500) - { AU1500_UART0_INT, INTC_INT_HIGH_LEVEL, 0}, + { AU1500_UART0_INT, INTC_INT_HIGH_LEVEL, 0 }, { AU1000_PCI_INTA, INTC_INT_LOW_LEVEL, 0 }, { AU1000_PCI_INTB, INTC_INT_LOW_LEVEL, 0 }, - { AU1500_UART3_INT, INTC_INT_HIGH_LEVEL, 0}, + { AU1500_UART3_INT, INTC_INT_HIGH_LEVEL, 0 }, { AU1000_PCI_INTC, INTC_INT_LOW_LEVEL, 0 }, { AU1000_PCI_INTD, INTC_INT_LOW_LEVEL, 0 }, - { AU1000_DMA_INT_BASE, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+1, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+2, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+3, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+4, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+5, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+6, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+7, INTC_INT_HIGH_LEVEL, 0}, + { AU1000_DMA_INT_BASE, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+1, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+2, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+3, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+4, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+5, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+6, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+7, INTC_INT_HIGH_LEVEL, 0 }, { AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 }, @@ -100,26 +100,26 @@ struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = { { AU1000_USB_DEV_SUS_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_USB_HOST_INT, INTC_INT_LOW_LEVEL, 0 }, { AU1000_ACSYNC_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1500_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1500_MAC1_DMA_INT, INTC_INT_HIGH_LEVEL, 0}, + { AU1500_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1500_MAC1_DMA_INT, INTC_INT_HIGH_LEVEL, 0 }, { AU1000_AC97C_INT, INTC_INT_RISE_EDGE, 0 }, #elif defined(CONFIG_SOC_AU1100) - { AU1100_UART0_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1100_UART1_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1100_SD_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1100_UART3_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_SSI0_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_SSI1_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+1, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+2, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+3, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+4, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+5, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+6, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_DMA_INT_BASE+7, INTC_INT_HIGH_LEVEL, 0}, + { AU1100_UART0_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1100_UART1_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1100_SD_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1100_UART3_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_SSI0_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_SSI1_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+1, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+2, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+3, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+4, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+5, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+6, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_DMA_INT_BASE+7, INTC_INT_HIGH_LEVEL, 0 }, { AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 }, @@ -128,33 +128,33 @@ struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = { { AU1000_RTC_MATCH0_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_RTC_MATCH1_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_RTC_MATCH2_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1000_IRDA_TX_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1000_IRDA_RX_INT, INTC_INT_HIGH_LEVEL, 0}, + { AU1000_IRDA_TX_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1000_IRDA_RX_INT, INTC_INT_HIGH_LEVEL, 0 }, { AU1000_USB_DEV_REQ_INT, INTC_INT_HIGH_LEVEL, 0 }, { AU1000_USB_DEV_SUS_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_USB_HOST_INT, INTC_INT_LOW_LEVEL, 0 }, { AU1000_ACSYNC_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1100_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0}, - /*{ AU1000_GPIO215_208_INT, INTC_INT_HIGH_LEVEL, 0},*/ - { AU1100_LCD_INT, INTC_INT_HIGH_LEVEL, 0}, + { AU1100_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0 }, + /* { AU1000_GPIO215_208_INT, INTC_INT_HIGH_LEVEL, 0 }, */ + { AU1100_LCD_INT, INTC_INT_HIGH_LEVEL, 0 }, { AU1000_AC97C_INT, INTC_INT_RISE_EDGE, 0 }, #elif defined(CONFIG_SOC_AU1550) - { AU1550_UART0_INT, INTC_INT_HIGH_LEVEL, 0}, + { AU1550_UART0_INT, INTC_INT_HIGH_LEVEL, 0 }, { AU1550_PCI_INTA, INTC_INT_LOW_LEVEL, 0 }, { AU1550_PCI_INTB, INTC_INT_LOW_LEVEL, 0 }, - { AU1550_DDMA_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1550_CRYPTO_INT, INTC_INT_HIGH_LEVEL, 0}, + { AU1550_DDMA_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1550_CRYPTO_INT, INTC_INT_HIGH_LEVEL, 0 }, { AU1550_PCI_INTC, INTC_INT_LOW_LEVEL, 0 }, { AU1550_PCI_INTD, INTC_INT_LOW_LEVEL, 0 }, { AU1550_PCI_RST_INT, INTC_INT_LOW_LEVEL, 0 }, - { AU1550_UART1_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1550_UART3_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1550_PSC0_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1550_PSC1_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1550_PSC2_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1550_PSC3_INT, INTC_INT_HIGH_LEVEL, 0}, + { AU1550_UART1_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1550_UART3_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1550_PSC0_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1550_PSC1_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1550_PSC2_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1550_PSC3_INT, INTC_INT_HIGH_LEVEL, 0 }, { AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 }, @@ -163,26 +163,26 @@ struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = { { AU1000_RTC_MATCH0_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_RTC_MATCH1_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_RTC_MATCH2_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1550_NAND_INT, INTC_INT_RISE_EDGE, 0}, + { AU1550_NAND_INT, INTC_INT_RISE_EDGE, 0 }, { AU1550_USB_DEV_REQ_INT, INTC_INT_HIGH_LEVEL, 0 }, { AU1550_USB_DEV_SUS_INT, INTC_INT_RISE_EDGE, 0 }, { AU1550_USB_HOST_INT, INTC_INT_LOW_LEVEL, 0 }, - { AU1550_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1550_MAC1_DMA_INT, INTC_INT_HIGH_LEVEL, 0}, + { AU1550_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1550_MAC1_DMA_INT, INTC_INT_HIGH_LEVEL, 0 }, #elif defined(CONFIG_SOC_AU1200) - { AU1200_UART0_INT, INTC_INT_HIGH_LEVEL, 0}, + { AU1200_UART0_INT, INTC_INT_HIGH_LEVEL, 0 }, { AU1200_SWT_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1200_SD_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1200_DDMA_INT, INTC_INT_HIGH_LEVEL, 0}, + { AU1200_SD_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1200_DDMA_INT, INTC_INT_HIGH_LEVEL, 0 }, { AU1200_MAE_BE_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1200_UART1_INT, INTC_INT_HIGH_LEVEL, 0}, + { AU1200_UART1_INT, INTC_INT_HIGH_LEVEL, 0 }, { AU1200_MAE_FE_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1200_PSC0_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1200_PSC1_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1200_AES_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1200_CAMERA_INT, INTC_INT_HIGH_LEVEL, 0}, + { AU1200_PSC0_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1200_PSC1_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1200_AES_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1200_CAMERA_INT, INTC_INT_HIGH_LEVEL, 0 }, { AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 }, @@ -191,10 +191,10 @@ struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = { { AU1000_RTC_MATCH0_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_RTC_MATCH1_INT, INTC_INT_RISE_EDGE, 0 }, { AU1000_RTC_MATCH2_INT, INTC_INT_RISE_EDGE, 0 }, - { AU1200_NAND_INT, INTC_INT_RISE_EDGE, 0}, + { AU1200_NAND_INT, INTC_INT_RISE_EDGE, 0 }, { AU1200_USB_INT, INTC_INT_HIGH_LEVEL, 0 }, - { AU1200_LCD_INT, INTC_INT_HIGH_LEVEL, 0}, - { AU1200_MAE_BOTH_INT, INTC_INT_HIGH_LEVEL, 0}, + { AU1200_LCD_INT, INTC_INT_HIGH_LEVEL, 0 }, + { AU1200_MAE_BOTH_INT, INTC_INT_HIGH_LEVEL, 0 }, #else #error "Error: Unknown Alchemy SOC" @@ -203,4 +203,3 @@ struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = { }; int __initdata au1xxx_ic0_nr_irqs = ARRAY_SIZE(au1xxx_ic0_map); - diff --git a/arch/mips/au1000/common/clocks.c b/arch/mips/au1000/common/clocks.c index 3ce6cace0eb0..043429d17c5f 100644 --- a/arch/mips/au1000/common/clocks.c +++ b/arch/mips/au1000/common/clocks.c @@ -1,10 +1,9 @@ /* * BRIEF MODULE DESCRIPTION - * Simple Au1000 clocks routines. + * Simple Au1xx0 clocks routines. * - * Copyright 2001 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2001, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -30,8 +29,8 @@ #include <linux/module.h> #include <asm/mach-au1x00/au1000.h> -static unsigned int au1x00_clock; // Hz -static unsigned int lcd_clock; // KHz +static unsigned int au1x00_clock; /* Hz */ +static unsigned int lcd_clock; /* KHz */ static unsigned long uart_baud_base; /* @@ -46,8 +45,7 @@ unsigned int get_au1x00_speed(void) { return au1x00_clock; } - - +EXPORT_SYMBOL(get_au1x00_speed); /* * The UART baud base is not known at compile time ... if @@ -73,24 +71,23 @@ void set_au1x00_uart_baud_base(unsigned long new_baud_base) void set_au1x00_lcd_clock(void) { unsigned int static_cfg0; - unsigned int sys_busclk = - (get_au1x00_speed()/1000) / - ((int)(au_readl(SYS_POWERCTRL)&0x03) + 2); + unsigned int sys_busclk = (get_au1x00_speed() / 1000) / + ((int)(au_readl(SYS_POWERCTRL) & 0x03) + 2); static_cfg0 = au_readl(MEM_STCFG0); - if (static_cfg0 & (1<<11)) + if (static_cfg0 & (1 << 11)) lcd_clock = sys_busclk / 5; /* note: BCLK switching fails with D5 */ else lcd_clock = sys_busclk / 4; if (lcd_clock > 50000) /* Epson MAX */ - printk("warning: LCD clock too high (%d KHz)\n", lcd_clock); + printk(KERN_WARNING "warning: LCD clock too high (%u KHz)\n", + lcd_clock); } unsigned int get_au1x00_lcd_clock(void) { return lcd_clock; } - EXPORT_SYMBOL(get_au1x00_lcd_clock); diff --git a/arch/mips/au1000/common/cputable.c b/arch/mips/au1000/common/cputable.c index 8c93a05d7382..ba6430bc2d03 100644 --- a/arch/mips/au1000/common/cputable.c +++ b/arch/mips/au1000/common/cputable.c @@ -14,7 +14,7 @@ #include <asm/mach-au1x00/au1000.h> -struct cpu_spec* cur_cpu_spec[NR_CPUS]; +struct cpu_spec *cur_cpu_spec[NR_CPUS]; /* With some thought, we can probably use the mask to reduce the * size of the table. @@ -39,8 +39,7 @@ struct cpu_spec cpu_specs[] = { { 0x00000000, 0x00000000, "Unknown Au1xxx", 1, 0, 0 } }; -void -set_cpuspec(void) +void set_cpuspec(void) { struct cpu_spec *sp; u32 prid; diff --git a/arch/mips/au1000/common/dbdma.c b/arch/mips/au1000/common/dbdma.c index 53377dfc0640..601ee9180ee4 100644 --- a/arch/mips/au1000/common/dbdma.c +++ b/arch/mips/au1000/common/dbdma.c @@ -53,12 +53,11 @@ */ static DEFINE_SPINLOCK(au1xxx_dbdma_spin_lock); -/* I couldn't find a macro that did this...... -*/ +/* I couldn't find a macro that did this... */ #define ALIGN_ADDR(x, a) ((((u32)(x)) + (a-1)) & ~(a-1)) static dbdma_global_t *dbdma_gptr = (dbdma_global_t *)DDMA_GLOBAL_BASE; -static int dbdma_initialized=0; +static int dbdma_initialized; static void au1xxx_dbdma_init(void); static dbdev_tab_t dbdev_tab[] = { @@ -149,7 +148,7 @@ static dbdev_tab_t dbdev_tab[] = { { DSCR_CMD0_NAND_FLASH, DEV_FLAGS_IN, 0, 0, 0x00000000, 0, 0 }, -#endif // CONFIG_SOC_AU1200 +#endif /* CONFIG_SOC_AU1200 */ { DSCR_CMD0_THROTTLE, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 }, { DSCR_CMD0_ALWAYS, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 }, @@ -177,8 +176,7 @@ static dbdev_tab_t dbdev_tab[] = { static chan_tab_t *chan_tab_ptr[NUM_DBDMA_CHANS]; -static dbdev_tab_t * -find_dbdev_id(u32 id) +static dbdev_tab_t *find_dbdev_id(u32 id) { int i; dbdev_tab_t *p; @@ -190,29 +188,27 @@ find_dbdev_id(u32 id) return NULL; } -void * au1xxx_ddma_get_nextptr_virt(au1x_ddma_desc_t *dp) +void *au1xxx_ddma_get_nextptr_virt(au1x_ddma_desc_t *dp) { - return phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr)); + return phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr)); } EXPORT_SYMBOL(au1xxx_ddma_get_nextptr_virt); -u32 -au1xxx_ddma_add_device(dbdev_tab_t *dev) +u32 au1xxx_ddma_add_device(dbdev_tab_t *dev) { u32 ret = 0; - dbdev_tab_t *p=NULL; - static u16 new_id=0x1000; + dbdev_tab_t *p; + static u16 new_id = 0x1000; p = find_dbdev_id(~0); - if ( NULL != p ) - { + if (NULL != p) { memcpy(p, dev, sizeof(dbdev_tab_t)); p->dev_id = DSCR_DEV2CUSTOM_ID(new_id, dev->dev_id); ret = p->dev_id; new_id++; #if 0 - printk("add_device: id:%x flags:%x padd:%x\n", - p->dev_id, p->dev_flags, p->dev_physaddr ); + printk(KERN_DEBUG "add_device: id:%x flags:%x padd:%x\n", + p->dev_id, p->dev_flags, p->dev_physaddr); #endif } @@ -220,10 +216,19 @@ au1xxx_ddma_add_device(dbdev_tab_t *dev) } EXPORT_SYMBOL(au1xxx_ddma_add_device); -/* Allocate a channel and return a non-zero descriptor if successful. -*/ -u32 -au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid, +void au1xxx_ddma_del_device(u32 devid) +{ + dbdev_tab_t *p = find_dbdev_id(devid); + + if (p != NULL) { + memset(p, 0, sizeof(dbdev_tab_t)); + p->dev_id = ~0; + } +} +EXPORT_SYMBOL(au1xxx_ddma_del_device); + +/* Allocate a channel and return a non-zero descriptor if successful. */ +u32 au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid, void (*callback)(int, void *), void *callparam) { unsigned long flags; @@ -234,7 +239,8 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid, chan_tab_t *ctp; au1x_dma_chan_t *cp; - /* We do the intialization on the first channel allocation. + /* + * We do the intialization on the first channel allocation. * We have to wait because of the interrupt handler initialization * which can't be done successfully during board set up. */ @@ -242,16 +248,17 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid, au1xxx_dbdma_init(); dbdma_initialized = 1; - if ((stp = find_dbdev_id(srcid)) == NULL) + stp = find_dbdev_id(srcid); + if (stp == NULL) return 0; - if ((dtp = find_dbdev_id(destid)) == NULL) + dtp = find_dbdev_id(destid); + if (dtp == NULL) return 0; used = 0; rv = 0; - /* Check to see if we can get both channels. - */ + /* Check to see if we can get both channels. */ spin_lock_irqsave(&au1xxx_dbdma_spin_lock, flags); if (!(stp->dev_flags & DEV_FLAGS_INUSE) || (stp->dev_flags & DEV_FLAGS_ANYUSE)) { @@ -261,35 +268,30 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid, (dtp->dev_flags & DEV_FLAGS_ANYUSE)) { /* Got destination */ dtp->dev_flags |= DEV_FLAGS_INUSE; - } - else { - /* Can't get dest. Release src. - */ + } else { + /* Can't get dest. Release src. */ stp->dev_flags &= ~DEV_FLAGS_INUSE; used++; } - } - else { + } else used++; - } spin_unlock_irqrestore(&au1xxx_dbdma_spin_lock, flags); if (!used) { - /* Let's see if we can allocate a channel for it. - */ + /* Let's see if we can allocate a channel for it. */ ctp = NULL; chan = 0; spin_lock_irqsave(&au1xxx_dbdma_spin_lock, flags); - for (i=0; i<NUM_DBDMA_CHANS; i++) { + for (i = 0; i < NUM_DBDMA_CHANS; i++) if (chan_tab_ptr[i] == NULL) { - /* If kmalloc fails, it is caught below same + /* + * If kmalloc fails, it is caught below same * as a channel not available. */ ctp = kmalloc(sizeof(chan_tab_t), GFP_ATOMIC); chan_tab_ptr[i] = ctp; break; } - } spin_unlock_irqrestore(&au1xxx_dbdma_spin_lock, flags); if (ctp != NULL) { @@ -304,8 +306,7 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid, ctp->chan_callback = callback; ctp->chan_callparam = callparam; - /* Initialize channel configuration. - */ + /* Initialize channel configuration. */ i = 0; if (stp->dev_intlevel) i |= DDMA_CFG_SED; @@ -326,8 +327,7 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid, * operations. */ rv = (u32)(&chan_tab_ptr[chan]); - } - else { + } else { /* Release devices */ stp->dev_flags &= ~DEV_FLAGS_INUSE; dtp->dev_flags &= ~DEV_FLAGS_INUSE; @@ -337,11 +337,11 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid, } EXPORT_SYMBOL(au1xxx_dbdma_chan_alloc); -/* Set the device width if source or destination is a FIFO. +/* + * Set the device width if source or destination is a FIFO. * Should be 8, 16, or 32 bits. */ -u32 -au1xxx_dbdma_set_devwidth(u32 chanid, int bits) +u32 au1xxx_dbdma_set_devwidth(u32 chanid, int bits) { u32 rv; chan_tab_t *ctp; @@ -365,10 +365,8 @@ au1xxx_dbdma_set_devwidth(u32 chanid, int bits) } EXPORT_SYMBOL(au1xxx_dbdma_set_devwidth); -/* Allocate a descriptor ring, initializing as much as possible. -*/ -u32 -au1xxx_dbdma_ring_alloc(u32 chanid, int entries) +/* Allocate a descriptor ring, initializing as much as possible. */ +u32 au1xxx_dbdma_ring_alloc(u32 chanid, int entries) { int i; u32 desc_base, srcid, destid; @@ -378,43 +376,45 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries) dbdev_tab_t *stp, *dtp; au1x_ddma_desc_t *dp; - /* I guess we could check this to be within the + /* + * I guess we could check this to be within the * range of the table...... */ ctp = *((chan_tab_t **)chanid); stp = ctp->chan_src; dtp = ctp->chan_dest; - /* The descriptors must be 32-byte aligned. There is a + /* + * The descriptors must be 32-byte aligned. There is a * possibility the allocation will give us such an address, * and if we try that first we are likely to not waste larger * slabs of memory. */ desc_base = (u32)kmalloc(entries * sizeof(au1x_ddma_desc_t), - GFP_KERNEL|GFP_DMA); + GFP_KERNEL|GFP_DMA); if (desc_base == 0) return 0; if (desc_base & 0x1f) { - /* Lost....do it again, allocate extra, and round + /* + * Lost....do it again, allocate extra, and round * the address base. */ kfree((const void *)desc_base); i = entries * sizeof(au1x_ddma_desc_t); i += (sizeof(au1x_ddma_desc_t) - 1); - if ((desc_base = (u32)kmalloc(i, GFP_KERNEL|GFP_DMA)) == 0) + desc_base = (u32)kmalloc(i, GFP_KERNEL|GFP_DMA); + if (desc_base == 0) return 0; desc_base = ALIGN_ADDR(desc_base, sizeof(au1x_ddma_desc_t)); } dp = (au1x_ddma_desc_t *)desc_base; - /* Keep track of the base descriptor. - */ + /* Keep track of the base descriptor. */ ctp->chan_desc_base = dp; - /* Initialize the rings with as much information as we know. - */ + /* Initialize the rings with as much information as we know. */ srcid = stp->dev_id; destid = dtp->dev_id; @@ -426,11 +426,12 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries) cmd0 |= DSCR_CMD0_IE | DSCR_CMD0_CV; cmd0 |= DSCR_CMD0_ST(DSCR_CMD0_ST_NOCHANGE); - /* is it mem to mem transfer? */ - if(((DSCR_CUSTOM2DEV_ID(srcid) == DSCR_CMD0_THROTTLE) || (DSCR_CUSTOM2DEV_ID(srcid) == DSCR_CMD0_ALWAYS)) && - ((DSCR_CUSTOM2DEV_ID(destid) == DSCR_CMD0_THROTTLE) || (DSCR_CUSTOM2DEV_ID(destid) == DSCR_CMD0_ALWAYS))) { - cmd0 |= DSCR_CMD0_MEM; - } + /* Is it mem to mem transfer? */ + if (((DSCR_CUSTOM2DEV_ID(srcid) == DSCR_CMD0_THROTTLE) || + (DSCR_CUSTOM2DEV_ID(srcid) == DSCR_CMD0_ALWAYS)) && + ((DSCR_CUSTOM2DEV_ID(destid) == DSCR_CMD0_THROTTLE) || + (DSCR_CUSTOM2DEV_ID(destid) == DSCR_CMD0_ALWAYS))) + cmd0 |= DSCR_CMD0_MEM; switch (stp->dev_devwidth) { case 8: @@ -458,15 +459,17 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries) break; } - /* If the device is marked as an in/out FIFO, ensure it is + /* + * If the device is marked as an in/out FIFO, ensure it is * set non-coherent. */ if (stp->dev_flags & DEV_FLAGS_IN) - cmd0 |= DSCR_CMD0_SN; /* Source in fifo */ + cmd0 |= DSCR_CMD0_SN; /* Source in FIFO */ if (dtp->dev_flags & DEV_FLAGS_OUT) - cmd0 |= DSCR_CMD0_DN; /* Destination out fifo */ + cmd0 |= DSCR_CMD0_DN; /* Destination out FIFO */ - /* Set up source1. For now, assume no stride and increment. + /* + * Set up source1. For now, assume no stride and increment. * A channel attribute update can change this later. */ switch (stp->dev_tsize) { @@ -485,19 +488,19 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries) break; } - /* If source input is fifo, set static address. - */ + /* If source input is FIFO, set static address. */ if (stp->dev_flags & DEV_FLAGS_IN) { - if ( stp->dev_flags & DEV_FLAGS_BURSTABLE ) + if (stp->dev_flags & DEV_FLAGS_BURSTABLE) src1 |= DSCR_SRC1_SAM(DSCR_xAM_BURST); else - src1 |= DSCR_SRC1_SAM(DSCR_xAM_STATIC); - + src1 |= DSCR_SRC1_SAM(DSCR_xAM_STATIC); } + if (stp->dev_physaddr) src0 = stp->dev_physaddr; - /* Set up dest1. For now, assume no stride and increment. + /* + * Set up dest1. For now, assume no stride and increment. * A channel attribute update can change this later. */ switch (dtp->dev_tsize) { @@ -516,22 +519,24 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries) break; } - /* If destination output is fifo, set static address. - */ + /* If destination output is FIFO, set static address. */ if (dtp->dev_flags & DEV_FLAGS_OUT) { - if ( dtp->dev_flags & DEV_FLAGS_BURSTABLE ) - dest1 |= DSCR_DEST1_DAM(DSCR_xAM_BURST); - else - dest1 |= DSCR_DEST1_DAM(DSCR_xAM_STATIC); + if (dtp->dev_flags & DEV_FLAGS_BURSTABLE) + dest1 |= DSCR_DEST1_DAM(DSCR_xAM_BURST); + else + dest1 |= DSCR_DEST1_DAM(DSCR_xAM_STATIC); } + if (dtp->dev_physaddr) dest0 = dtp->dev_physaddr; #if 0 - printk("did:%x sid:%x cmd0:%x cmd1:%x source0:%x source1:%x dest0:%x dest1:%x\n", - dtp->dev_id, stp->dev_id, cmd0, cmd1, src0, src1, dest0, dest1 ); + printk(KERN_DEBUG "did:%x sid:%x cmd0:%x cmd1:%x source0:%x " + "source1:%x dest0:%x dest1:%x\n", + dtp->dev_id, stp->dev_id, cmd0, cmd1, src0, + src1, dest0, dest1); #endif - for (i=0; i<entries; i++) { + for (i = 0; i < entries; i++) { dp->dscr_cmd0 = cmd0; dp->dscr_cmd1 = cmd1; dp->dscr_source0 = src0; @@ -545,49 +550,49 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries) dp++; } - /* Make last descrptor point to the first. - */ + /* Make last descrptor point to the first. */ dp--; dp->dscr_nxtptr = DSCR_NXTPTR(virt_to_phys(ctp->chan_desc_base)); ctp->get_ptr = ctp->put_ptr = ctp->cur_ptr = ctp->chan_desc_base; - return (u32)(ctp->chan_desc_base); + return (u32)ctp->chan_desc_base; } EXPORT_SYMBOL(au1xxx_dbdma_ring_alloc); -/* Put a source buffer into the DMA ring. +/* + * Put a source buffer into the DMA ring. * This updates the source pointer and byte count. Normally used * for memory to fifo transfers. */ -u32 -_au1xxx_dbdma_put_source(u32 chanid, void *buf, int nbytes, u32 flags) +u32 _au1xxx_dbdma_put_source(u32 chanid, void *buf, int nbytes, u32 flags) { chan_tab_t *ctp; au1x_ddma_desc_t *dp; - /* I guess we could check this to be within the + /* + * I guess we could check this to be within the * range of the table...... */ - ctp = *((chan_tab_t **)chanid); + ctp = *(chan_tab_t **)chanid; - /* We should have multiple callers for a particular channel, + /* + * We should have multiple callers for a particular channel, * an interrupt doesn't affect this pointer nor the descriptor, * so no locking should be needed. */ dp = ctp->put_ptr; - /* If the descriptor is valid, we are way ahead of the DMA + /* + * If the descriptor is valid, we are way ahead of the DMA * engine, so just return an error condition. */ - if (dp->dscr_cmd0 & DSCR_CMD0_V) { + if (dp->dscr_cmd0 & DSCR_CMD0_V) return 0; - } - /* Load up buffer address and byte count. - */ + /* Load up buffer address and byte count. */ dp->dscr_source0 = virt_to_phys(buf); dp->dscr_cmd1 = nbytes; - /* Check flags */ + /* Check flags */ if (flags & DDMA_FLAGS_IE) dp->dscr_cmd0 |= DSCR_CMD0_IE; if (flags & DDMA_FLAGS_NOIE) @@ -595,23 +600,21 @@ _au1xxx_dbdma_put_source(u32 chanid, void *buf, int nbytes, u32 flags) /* * There is an errata on the Au1200/Au1550 parts that could result - * in "stale" data being DMA'd. It has to do with the snoop logic on - * the dache eviction buffer. NONCOHERENT_IO is on by default for - * these parts. If it is fixedin the future, these dma_cache_inv will + * in "stale" data being DMA'ed. It has to do with the snoop logic on + * the cache eviction buffer. DMA_NONCOHERENT is on by default for + * these parts. If it is fixed in the future, these dma_cache_inv will * just be nothing more than empty macros. See io.h. - * */ + */ dma_cache_wback_inv((unsigned long)buf, nbytes); - dp->dscr_cmd0 |= DSCR_CMD0_V; /* Let it rip */ + dp->dscr_cmd0 |= DSCR_CMD0_V; /* Let it rip */ au_sync(); dma_cache_wback_inv((unsigned long)dp, sizeof(dp)); - ctp->chan_ptr->ddma_dbell = 0; + ctp->chan_ptr->ddma_dbell = 0; - /* Get next descriptor pointer. - */ + /* Get next descriptor pointer. */ ctp->put_ptr = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr)); - /* return something not zero. - */ + /* Return something non-zero. */ return nbytes; } EXPORT_SYMBOL(_au1xxx_dbdma_put_source); @@ -654,81 +657,77 @@ _au1xxx_dbdma_put_dest(u32 chanid, void *buf, int nbytes, u32 flags) dp->dscr_dest0 = virt_to_phys(buf); dp->dscr_cmd1 = nbytes; #if 0 - printk("cmd0:%x cmd1:%x source0:%x source1:%x dest0:%x dest1:%x\n", - dp->dscr_cmd0, dp->dscr_cmd1, dp->dscr_source0, - dp->dscr_source1, dp->dscr_dest0, dp->dscr_dest1 ); + printk(KERN_DEBUG "cmd0:%x cmd1:%x source0:%x source1:%x dest0:%x dest1:%x\n", + dp->dscr_cmd0, dp->dscr_cmd1, dp->dscr_source0, + dp->dscr_source1, dp->dscr_dest0, dp->dscr_dest1); #endif /* * There is an errata on the Au1200/Au1550 parts that could result in - * "stale" data being DMA'd. It has to do with the snoop logic on the - * dache eviction buffer. NONCOHERENT_IO is on by default for these - * parts. If it is fixedin the future, these dma_cache_inv will just + * "stale" data being DMA'ed. It has to do with the snoop logic on the + * cache eviction buffer. DMA_NONCOHERENT is on by default for these + * parts. If it is fixed in the future, these dma_cache_inv will just * be nothing more than empty macros. See io.h. - * */ + */ dma_cache_inv((unsigned long)buf, nbytes); dp->dscr_cmd0 |= DSCR_CMD0_V; /* Let it rip */ au_sync(); dma_cache_wback_inv((unsigned long)dp, sizeof(dp)); - ctp->chan_ptr->ddma_dbell = 0; + ctp->chan_ptr->ddma_dbell = 0; - /* Get next descriptor pointer. - */ + /* Get next descriptor pointer. */ ctp->put_ptr = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr)); - /* return something not zero. - */ + /* Return something non-zero. */ return nbytes; } EXPORT_SYMBOL(_au1xxx_dbdma_put_dest); -/* Get a destination buffer into the DMA ring. +/* + * Get a destination buffer into the DMA ring. * Normally used to get a full buffer from the ring during fifo * to memory transfers. This does not set the valid bit, you will * have to put another destination buffer to keep the DMA going. */ -u32 -au1xxx_dbdma_get_dest(u32 chanid, void **buf, int *nbytes) +u32 au1xxx_dbdma_get_dest(u32 chanid, void **buf, int *nbytes) { chan_tab_t *ctp; au1x_ddma_desc_t *dp; u32 rv; - /* I guess we could check this to be within the + /* + * I guess we could check this to be within the * range of the table...... */ ctp = *((chan_tab_t **)chanid); - /* We should have multiple callers for a particular channel, + /* + * We should have multiple callers for a particular channel, * an interrupt doesn't affect this pointer nor the descriptor, * so no locking should be needed. */ dp = ctp->get_ptr; - /* If the descriptor is valid, we are way ahead of the DMA + /* + * If the descriptor is valid, we are way ahead of the DMA * engine, so just return an error condition. */ if (dp->dscr_cmd0 & DSCR_CMD0_V) return 0; - /* Return buffer address and byte count. - */ + /* Return buffer address and byte count. */ *buf = (void *)(phys_to_virt(dp->dscr_dest0)); *nbytes = dp->dscr_cmd1; rv = dp->dscr_stat; - /* Get next descriptor pointer. - */ + /* Get next descriptor pointer. */ ctp->get_ptr = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr)); - /* return something not zero. - */ + /* Return something non-zero. */ return rv; } - EXPORT_SYMBOL_GPL(au1xxx_dbdma_get_dest); -void -au1xxx_dbdma_stop(u32 chanid) +void au1xxx_dbdma_stop(u32 chanid) { chan_tab_t *ctp; au1x_dma_chan_t *cp; @@ -743,7 +742,7 @@ au1xxx_dbdma_stop(u32 chanid) udelay(1); halt_timeout++; if (halt_timeout > 100) { - printk("warning: DMA channel won't halt\n"); + printk(KERN_WARNING "warning: DMA channel won't halt\n"); break; } } @@ -753,12 +752,12 @@ au1xxx_dbdma_stop(u32 chanid) } EXPORT_SYMBOL(au1xxx_dbdma_stop); -/* Start using the current descriptor pointer. If the dbdma encounters - * a not valid descriptor, it will stop. In this case, we can just +/* + * Start using the current descriptor pointer. If the DBDMA encounters + * a non-valid descriptor, it will stop. In this case, we can just * continue by adding a buffer to the list and starting again. */ -void -au1xxx_dbdma_start(u32 chanid) +void au1xxx_dbdma_start(u32 chanid) { chan_tab_t *ctp; au1x_dma_chan_t *cp; @@ -773,8 +772,7 @@ au1xxx_dbdma_start(u32 chanid) } EXPORT_SYMBOL(au1xxx_dbdma_start); -void -au1xxx_dbdma_reset(u32 chanid) +void au1xxx_dbdma_reset(u32 chanid) { chan_tab_t *ctp; au1x_ddma_desc_t *dp; @@ -784,14 +782,14 @@ au1xxx_dbdma_reset(u32 chanid) ctp = *((chan_tab_t **)chanid); ctp->get_ptr = ctp->put_ptr = ctp->cur_ptr = ctp->chan_desc_base; - /* Run through the descriptors and reset the valid indicator. - */ + /* Run through the descriptors and reset the valid indicator. */ dp = ctp->chan_desc_base; do { dp->dscr_cmd0 &= ~DSCR_CMD0_V; - /* reset our SW status -- this is used to determine - * if a descriptor is in use by upper level SW. Since + /* + * Reset our software status -- this is used to determine + * if a descriptor is in use by upper level software. Since * posting can reset 'V' bit. */ dp->sw_status = 0; @@ -800,8 +798,7 @@ au1xxx_dbdma_reset(u32 chanid) } EXPORT_SYMBOL(au1xxx_dbdma_reset); -u32 -au1xxx_get_dma_residue(u32 chanid) +u32 au1xxx_get_dma_residue(u32 chanid) { chan_tab_t *ctp; au1x_dma_chan_t *cp; @@ -810,18 +807,15 @@ au1xxx_get_dma_residue(u32 chanid) ctp = *((chan_tab_t **)chanid); cp = ctp->chan_ptr; - /* This is only valid if the channel is stopped. - */ + /* This is only valid if the channel is stopped. */ rv = cp->ddma_bytecnt; au_sync(); return rv; } - EXPORT_SYMBOL_GPL(au1xxx_get_dma_residue); -void -au1xxx_dbdma_chan_free(u32 chanid) +void au1xxx_dbdma_chan_free(u32 chanid) { chan_tab_t *ctp; dbdev_tab_t *stp, *dtp; @@ -842,8 +836,7 @@ au1xxx_dbdma_chan_free(u32 chanid) } EXPORT_SYMBOL(au1xxx_dbdma_chan_free); -static irqreturn_t -dbdma_interrupt(int irq, void *dev_id) +static irqreturn_t dbdma_interrupt(int irq, void *dev_id) { u32 intstat; u32 chan_index; @@ -859,13 +852,12 @@ dbdma_interrupt(int irq, void *dev_id) cp = ctp->chan_ptr; dp = ctp->cur_ptr; - /* Reset interrupt. - */ + /* Reset interrupt. */ cp->ddma_irq = 0; au_sync(); if (ctp->chan_callback) - (ctp->chan_callback)(irq, ctp->chan_callparam); + ctp->chan_callback(irq, ctp->chan_callparam); ctp->cur_ptr = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr)); return IRQ_RETVAL(1); @@ -890,47 +882,47 @@ static void au1xxx_dbdma_init(void) if (request_irq(irq_nr, dbdma_interrupt, IRQF_DISABLED, "Au1xxx dbdma", (void *)dbdma_gptr)) - printk("Can't get 1550 dbdma irq"); + printk(KERN_ERR "Can't get 1550 dbdma irq"); } -void -au1xxx_dbdma_dump(u32 chanid) +void au1xxx_dbdma_dump(u32 chanid) { - chan_tab_t *ctp; - au1x_ddma_desc_t *dp; - dbdev_tab_t *stp, *dtp; - au1x_dma_chan_t *cp; - u32 i = 0; + chan_tab_t *ctp; + au1x_ddma_desc_t *dp; + dbdev_tab_t *stp, *dtp; + au1x_dma_chan_t *cp; + u32 i = 0; ctp = *((chan_tab_t **)chanid); stp = ctp->chan_src; dtp = ctp->chan_dest; cp = ctp->chan_ptr; - printk("Chan %x, stp %x (dev %d) dtp %x (dev %d) \n", - (u32)ctp, (u32)stp, stp - dbdev_tab, (u32)dtp, dtp - dbdev_tab); - printk("desc base %x, get %x, put %x, cur %x\n", - (u32)(ctp->chan_desc_base), (u32)(ctp->get_ptr), - (u32)(ctp->put_ptr), (u32)(ctp->cur_ptr)); - - printk("dbdma chan %x\n", (u32)cp); - printk("cfg %08x, desptr %08x, statptr %08x\n", - cp->ddma_cfg, cp->ddma_desptr, cp->ddma_statptr); - printk("dbell %08x, irq %08x, stat %08x, bytecnt %08x\n", - cp->ddma_dbell, cp->ddma_irq, cp->ddma_stat, cp->ddma_bytecnt); - - - /* Run through the descriptors - */ + printk(KERN_DEBUG "Chan %x, stp %x (dev %d) dtp %x (dev %d) \n", + (u32)ctp, (u32)stp, stp - dbdev_tab, (u32)dtp, + dtp - dbdev_tab); + printk(KERN_DEBUG "desc base %x, get %x, put %x, cur %x\n", + (u32)(ctp->chan_desc_base), (u32)(ctp->get_ptr), + (u32)(ctp->put_ptr), (u32)(ctp->cur_ptr)); + + printk(KERN_DEBUG "dbdma chan %x\n", (u32)cp); + printk(KERN_DEBUG "cfg %08x, desptr %08x, statptr %08x\n", + cp->ddma_cfg, cp->ddma_desptr, cp->ddma_statptr); + printk(KERN_DEBUG "dbell %08x, irq %08x, stat %08x, bytecnt %08x\n", + cp->ddma_dbell, cp->ddma_irq, cp->ddma_stat, + cp->ddma_bytecnt); + + /* Run through the descriptors */ dp = ctp->chan_desc_base; do { - printk("Dp[%d]= %08x, cmd0 %08x, cmd1 %08x\n", - i++, (u32)dp, dp->dscr_cmd0, dp->dscr_cmd1); - printk("src0 %08x, src1 %08x, dest0 %08x, dest1 %08x\n", - dp->dscr_source0, dp->dscr_source1, dp->dscr_dest0, dp->dscr_dest1); - printk("stat %08x, nxtptr %08x\n", - dp->dscr_stat, dp->dscr_nxtptr); + printk(KERN_DEBUG "Dp[%d]= %08x, cmd0 %08x, cmd1 %08x\n", + i++, (u32)dp, dp->dscr_cmd0, dp->dscr_cmd1); + printk(KERN_DEBUG "src0 %08x, src1 %08x, dest0 %08x, dest1 %08x\n", + dp->dscr_source0, dp->dscr_source1, + dp->dscr_dest0, dp->dscr_dest1); + printk(KERN_DEBUG "stat %08x, nxtptr %08x\n", + dp->dscr_stat, dp->dscr_nxtptr); dp = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr)); } while (dp != ctp->chan_desc_base); } @@ -938,32 +930,33 @@ au1xxx_dbdma_dump(u32 chanid) /* Put a descriptor into the DMA ring. * This updates the source/destination pointers and byte count. */ -u32 -au1xxx_dbdma_put_dscr(u32 chanid, au1x_ddma_desc_t *dscr ) +u32 au1xxx_dbdma_put_dscr(u32 chanid, au1x_ddma_desc_t *dscr) { chan_tab_t *ctp; au1x_ddma_desc_t *dp; - u32 nbytes=0; + u32 nbytes = 0; - /* I guess we could check this to be within the - * range of the table...... - */ + /* + * I guess we could check this to be within the + * range of the table...... + */ ctp = *((chan_tab_t **)chanid); - /* We should have multiple callers for a particular channel, - * an interrupt doesn't affect this pointer nor the descriptor, - * so no locking should be needed. - */ + /* + * We should have multiple callers for a particular channel, + * an interrupt doesn't affect this pointer nor the descriptor, + * so no locking should be needed. + */ dp = ctp->put_ptr; - /* If the descriptor is valid, we are way ahead of the DMA - * engine, so just return an error condition. - */ + /* + * If the descriptor is valid, we are way ahead of the DMA + * engine, so just return an error condition. + */ if (dp->dscr_cmd0 & DSCR_CMD0_V) return 0; - /* Load up buffer addresses and byte count. - */ + /* Load up buffer addresses and byte count. */ dp->dscr_dest0 = dscr->dscr_dest0; dp->dscr_source0 = dscr->dscr_source0; dp->dscr_dest1 = dscr->dscr_dest1; @@ -975,14 +968,11 @@ au1xxx_dbdma_put_dscr(u32 chanid, au1x_ddma_desc_t *dscr ) dp->dscr_cmd0 |= dscr->dscr_cmd0 | DSCR_CMD0_V; ctp->chan_ptr->ddma_dbell = 0; - /* Get next descriptor pointer. - */ + /* Get next descriptor pointer. */ ctp->put_ptr = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr)); - /* return something not zero. - */ + /* Return something non-zero. */ return nbytes; } #endif /* defined(CONFIG_SOC_AU1550) || defined(CONFIG_SOC_AU1200) */ - diff --git a/arch/mips/au1000/common/dbg_io.c b/arch/mips/au1000/common/dbg_io.c index eae1bb2ca26e..af5be7df2f2a 100644 --- a/arch/mips/au1000/common/dbg_io.c +++ b/arch/mips/au1000/common/dbg_io.c @@ -1,3 +1,4 @@ +#include <linux/types.h> #include <asm/mach-au1x00/au1000.h> @@ -8,12 +9,6 @@ * uart to be used for debugging. */ #define DEBUG_BASE UART_DEBUG_BASE -/**/ - -/* we need uint32 uint8 */ -/* #include "types.h" */ -typedef unsigned char uint8; -typedef unsigned int uint32; #define UART16550_BAUD_2400 2400 #define UART16550_BAUD_4800 4800 @@ -51,17 +46,15 @@ typedef unsigned int uint32; #define UART_MOD_CNTRL 0x100 /* Module Control */ /* memory-mapped read/write of the port */ -#define UART16550_READ(y) (au_readl(DEBUG_BASE + y) & 0xff) -#define UART16550_WRITE(y, z) (au_writel(z&0xff, DEBUG_BASE + y)) +#define UART16550_READ(y) (au_readl(DEBUG_BASE + y) & 0xff) +#define UART16550_WRITE(y, z) (au_writel(z & 0xff, DEBUG_BASE + y)) extern unsigned long calc_clock(void); -void debugInit(uint32 baud, uint8 data, uint8 parity, uint8 stop) +void debugInit(u32 baud, u8 data, u8 parity, u8 stop) { - - if (UART16550_READ(UART_MOD_CNTRL) != 0x3) { + if (UART16550_READ(UART_MOD_CNTRL) != 0x3) UART16550_WRITE(UART_MOD_CNTRL, 3); - } calc_clock(); /* disable interrupts */ @@ -69,7 +62,7 @@ void debugInit(uint32 baud, uint8 data, uint8 parity, uint8 stop) /* set up baud rate */ { - uint32 divisor; + u32 divisor; /* set divisor */ divisor = get_au1x00_uart_baud_base() / baud; @@ -80,9 +73,9 @@ void debugInit(uint32 baud, uint8 data, uint8 parity, uint8 stop) UART16550_WRITE(UART_LCR, (data | parity | stop)); } -static int remoteDebugInitialized = 0; +static int remoteDebugInitialized; -uint8 getDebugChar(void) +u8 getDebugChar(void) { if (!remoteDebugInitialized) { remoteDebugInitialized = 1; @@ -92,15 +85,13 @@ uint8 getDebugChar(void) UART16550_STOP_1BIT); } - while((UART16550_READ(UART_LSR) & 0x1) == 0); + while ((UART16550_READ(UART_LSR) & 0x1) == 0); return UART16550_READ(UART_RX); } -int putDebugChar(uint8 byte) +int putDebugChar(u8 byte) { -// int i; - if (!remoteDebugInitialized) { remoteDebugInitialized = 1; debugInit(UART16550_BAUD_115200, @@ -109,9 +100,8 @@ int putDebugChar(uint8 byte) UART16550_STOP_1BIT); } - while ((UART16550_READ(UART_LSR)&0x40) == 0); + while ((UART16550_READ(UART_LSR) & 0x40) == 0); UART16550_WRITE(UART_TX, byte); - //for (i=0;i<0xfff;i++); return 1; } diff --git a/arch/mips/au1000/common/dma.c b/arch/mips/au1000/common/dma.c index 95f69ea146e9..d6fbda232e6a 100644 --- a/arch/mips/au1000/common/dma.c +++ b/arch/mips/au1000/common/dma.c @@ -1,12 +1,11 @@ /* * * BRIEF MODULE DESCRIPTION - * A DMA channel allocator for Au1000. API is modeled loosely off of + * A DMA channel allocator for Au1x00. API is modeled loosely off of * linux/kernel/dma.c. * - * Copyright 2000 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * stevel@mvista.com or source@mvista.com + * Copyright 2000, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * Copyright (C) 2005 Ralf Baechle (ralf@linux-mips.org) * * This program is free software; you can redistribute it and/or modify it @@ -39,7 +38,8 @@ #include <asm/mach-au1x00/au1000.h> #include <asm/mach-au1x00/au1000_dma.h> -#if defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1500) || defined(CONFIG_SOC_AU1100) +#if defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1500) || \ + defined(CONFIG_SOC_AU1100) /* * A note on resource allocation: * @@ -56,7 +56,6 @@ * returned from request_dma. */ - DEFINE_SPINLOCK(au1000_dma_spin_lock); struct dma_chan au1000_dma_table[NUM_AU1000_DMA_CHANNELS] = { @@ -71,7 +70,7 @@ struct dma_chan au1000_dma_table[NUM_AU1000_DMA_CHANNELS] = { }; EXPORT_SYMBOL(au1000_dma_table); -// Device FIFO addresses and default DMA modes +/* Device FIFO addresses and default DMA modes */ static const struct dma_dev { unsigned int fifo_addr; unsigned int dma_mode; @@ -80,8 +79,8 @@ static const struct dma_dev { {UART0_ADDR + UART_RX, 0}, {0, 0}, {0, 0}, - {AC97C_DATA, DMA_DW16 }, // coherent - {AC97C_DATA, DMA_DR | DMA_DW16 }, // coherent + {AC97C_DATA, DMA_DW16 }, /* coherent */ + {AC97C_DATA, DMA_DR | DMA_DW16 }, /* coherent */ {UART3_ADDR + UART_TX, DMA_DW8 | DMA_NC}, {UART3_ADDR + UART_RX, DMA_DR | DMA_DW8 | DMA_NC}, {USBD_EP0RD, DMA_DR | DMA_DW8 | DMA_NC}, @@ -101,10 +100,10 @@ int au1000_dma_read_proc(char *buf, char **start, off_t fpos, struct dma_chan *chan; for (i = 0; i < NUM_AU1000_DMA_CHANNELS; i++) { - if ((chan = get_dma_chan(i)) != NULL) { + chan = get_dma_chan(i); + if (chan != NULL) len += sprintf(buf + len, "%2d: %s\n", i, chan->dev_str); - } } if (fpos >= len) { @@ -113,18 +112,19 @@ int au1000_dma_read_proc(char *buf, char **start, off_t fpos, return 0; } *start = buf + fpos; - if ((len -= fpos) > length) + len -= fpos; + if (len > length) return length; *eof = 1; return len; } -// Device FIFO addresses and default DMA modes - 2nd bank +/* Device FIFO addresses and default DMA modes - 2nd bank */ static const struct dma_dev dma_dev_table_bank2[DMA_NUM_DEV_BANK2] = { - {SD0_XMIT_FIFO, DMA_DS | DMA_DW8}, // coherent - {SD0_RECV_FIFO, DMA_DS | DMA_DR | DMA_DW8}, // coherent - {SD1_XMIT_FIFO, DMA_DS | DMA_DW8}, // coherent - {SD1_RECV_FIFO, DMA_DS | DMA_DR | DMA_DW8} // coherent + { SD0_XMIT_FIFO, DMA_DS | DMA_DW8 }, /* coherent */ + { SD0_RECV_FIFO, DMA_DS | DMA_DR | DMA_DW8 }, /* coherent */ + { SD1_XMIT_FIFO, DMA_DS | DMA_DW8 }, /* coherent */ + { SD1_RECV_FIFO, DMA_DS | DMA_DR | DMA_DW8 } /* coherent */ }; void dump_au1000_dma_channel(unsigned int dmanr) @@ -150,7 +150,6 @@ void dump_au1000_dma_channel(unsigned int dmanr) au_readl(chan->io + DMA_BUFFER1_COUNT)); } - /* * Finds a free channel, and binds the requested device to it. * Returns the allocated channel number, or negative on error. @@ -169,14 +168,14 @@ int request_au1000_dma(int dev_id, const char *dev_str, if (dev_id < 0 || dev_id >= (DMA_NUM_DEV + DMA_NUM_DEV_BANK2)) return -EINVAL; #else - if (dev_id < 0 || dev_id >= DMA_NUM_DEV) + if (dev_id < 0 || dev_id >= DMA_NUM_DEV) return -EINVAL; #endif - for (i = 0; i < NUM_AU1000_DMA_CHANNELS; i++) { + for (i = 0; i < NUM_AU1000_DMA_CHANNELS; i++) if (au1000_dma_table[i].dev_id < 0) break; - } + if (i == NUM_AU1000_DMA_CHANNELS) return -ENODEV; @@ -185,15 +184,15 @@ int request_au1000_dma(int dev_id, const char *dev_str, if (dev_id >= DMA_NUM_DEV) { dev_id -= DMA_NUM_DEV; dev = &dma_dev_table_bank2[dev_id]; - } else { + } else dev = &dma_dev_table[dev_id]; - } if (irqhandler) { chan->irq = AU1000_DMA_INT_BASE + i; chan->irq_dev = irq_dev_id; - if ((ret = request_irq(chan->irq, irqhandler, irqflags, - dev_str, chan->irq_dev))) { + ret = request_irq(chan->irq, irqhandler, irqflags, dev_str, + chan->irq_dev); + if (ret) { chan->irq = 0; chan->irq_dev = NULL; return ret; @@ -203,7 +202,7 @@ int request_au1000_dma(int dev_id, const char *dev_str, chan->irq_dev = NULL; } - // fill it in + /* fill it in */ chan->io = DMA_CHANNEL_BASE + i * DMA_CHANNEL_LEN; chan->dev_id = dev_id; chan->dev_str = dev_str; @@ -220,8 +219,9 @@ EXPORT_SYMBOL(request_au1000_dma); void free_au1000_dma(unsigned int dmanr) { struct dma_chan *chan = get_dma_chan(dmanr); + if (!chan) { - printk("Trying to free DMA%d\n", dmanr); + printk(KERN_ERR "Error trying to free DMA%d\n", dmanr); return; } @@ -235,4 +235,4 @@ void free_au1000_dma(unsigned int dmanr) } EXPORT_SYMBOL(free_au1000_dma); -#endif // AU1000 AU1500 AU1100 +#endif /* AU1000 AU1500 AU1100 */ diff --git a/arch/mips/au1000/common/gpio.c b/arch/mips/au1000/common/gpio.c index 525452589971..b485d94ce8a5 100644 --- a/arch/mips/au1000/common/gpio.c +++ b/arch/mips/au1000/common/gpio.c @@ -69,7 +69,7 @@ static int au1xxx_gpio2_direction_output(unsigned gpio, int value) static int au1xxx_gpio1_read(unsigned gpio) { - return ((gpio1->pinstaterd >> gpio) & 0x01); + return (gpio1->pinstaterd >> gpio) & 0x01; } static void au1xxx_gpio1_write(unsigned gpio, int value) @@ -104,7 +104,6 @@ int au1xxx_gpio_get_value(unsigned gpio) else return au1xxx_gpio1_read(gpio); } - EXPORT_SYMBOL(au1xxx_gpio_get_value); void au1xxx_gpio_set_value(unsigned gpio, int value) @@ -118,7 +117,6 @@ void au1xxx_gpio_set_value(unsigned gpio, int value) else au1xxx_gpio1_write(gpio, value); } - EXPORT_SYMBOL(au1xxx_gpio_set_value); int au1xxx_gpio_direction_input(unsigned gpio) @@ -132,7 +130,6 @@ int au1xxx_gpio_direction_input(unsigned gpio) return au1xxx_gpio1_direction_input(gpio); } - EXPORT_SYMBOL(au1xxx_gpio_direction_input); int au1xxx_gpio_direction_output(unsigned gpio, int value) @@ -146,5 +143,4 @@ int au1xxx_gpio_direction_output(unsigned gpio, int value) return au1xxx_gpio1_direction_output(gpio, value); } - EXPORT_SYMBOL(au1xxx_gpio_direction_output); diff --git a/arch/mips/au1000/common/irq.c b/arch/mips/au1000/common/irq.c index f0626992fd75..40c6ceceb5f9 100644 --- a/arch/mips/au1000/common/irq.c +++ b/arch/mips/au1000/common/irq.c @@ -210,10 +210,8 @@ static inline void mask_and_ack_either_edge_irq(unsigned int irq_nr) au_sync(); } - static inline void mask_and_ack_level_irq(unsigned int irq_nr) { - local_disable_irq(irq_nr); au_sync(); #if defined(CONFIG_MIPS_PB1000) @@ -263,14 +261,14 @@ void restore_local_and_enable(int controller, unsigned long mask) unsigned long flags, new_mask; spin_lock_irqsave(&irq_lock, flags); - for (i = 0; i < 32; i++) { + for (i = 0; i < 32; i++) if (mask & (1 << i)) { if (controller) local_enable_irq(i + 32); else local_enable_irq(i); } - } + if (controller) new_mask = au_readl(IC1_MASKSET); else diff --git a/arch/mips/au1000/common/pci.c b/arch/mips/au1000/common/pci.c index 7e966b31e3e1..7866cf50cf99 100644 --- a/arch/mips/au1000/common/pci.c +++ b/arch/mips/au1000/common/pci.c @@ -2,9 +2,8 @@ * BRIEF MODULE DESCRIPTION * Alchemy/AMD Au1x00 PCI support. * - * Copyright 2001-2003, 2007 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2001-2003, 2007-2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * Copyright (C) 2004 by Ralf Baechle (ralf@linux-mips.org) * @@ -86,9 +85,9 @@ static int __init au1x_pci_setup(void) u32 prid = read_c0_prid(); if ((prid & 0xFF000000) == 0x01000000 && prid < 0x01030202) { - au_writel((1 << 16) | au_readl(Au1500_PCI_CFG), - Au1500_PCI_CFG); - printk("Non-coherent PCI accesses enabled\n"); + au_writel((1 << 16) | au_readl(Au1500_PCI_CFG), + Au1500_PCI_CFG); + printk(KERN_INFO "Non-coherent PCI accesses enabled\n"); } } #endif diff --git a/arch/mips/au1000/common/platform.c b/arch/mips/au1000/common/platform.c index 31d2a2270878..8cae7753ef79 100644 --- a/arch/mips/au1000/common/platform.c +++ b/arch/mips/au1000/common/platform.c @@ -269,8 +269,8 @@ static struct platform_device au1x00_pcmcia_device = { #ifdef SMBUS_PSC_BASE static struct resource pbdb_smbus_resources[] = { { - .start = SMBUS_PSC_BASE, - .end = SMBUS_PSC_BASE + 0x24 - 1, + .start = CPHYSADDR(SMBUS_PSC_BASE), + .end = CPHYSADDR(SMBUS_PSC_BASE + 0xfffff), .flags = IORESOURCE_MEM, }, }; @@ -302,16 +302,17 @@ static struct platform_device *au1xxx_platform_devices[] __initdata = { #endif }; -int __init au1xxx_platform_init(void) +static int __init au1xxx_platform_init(void) { unsigned int uartclk = get_au1x00_uart_baud_base() * 16; int i; /* Fill up uartclk. */ - for (i = 0; au1x00_uart_data[i].flags ; i++) + for (i = 0; au1x00_uart_data[i].flags; i++) au1x00_uart_data[i].uartclk = uartclk; - return platform_add_devices(au1xxx_platform_devices, ARRAY_SIZE(au1xxx_platform_devices)); + return platform_add_devices(au1xxx_platform_devices, + ARRAY_SIZE(au1xxx_platform_devices)); } arch_initcall(au1xxx_platform_init); diff --git a/arch/mips/au1000/common/power.c b/arch/mips/au1000/common/power.c index a8cd2c1b9e1b..2166b9e1e80c 100644 --- a/arch/mips/au1000/common/power.c +++ b/arch/mips/au1000/common/power.c @@ -1,10 +1,9 @@ /* * BRIEF MODULE DESCRIPTION - * Au1000 Power Management routines. + * Au1xx0 Power Management routines. * - * Copyright 2001 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2001, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * Some of the routines are right out of init/main.c, whose * copyrights apply here. @@ -43,10 +42,10 @@ #ifdef CONFIG_PM #define DEBUG 1 -#ifdef DEBUG -# define DPRINTK(fmt, args...) printk("%s: " fmt, __func__, ## args) +#ifdef DEBUG +#define DPRINTK(fmt, args...) printk(KERN_DEBUG "%s: " fmt, __func__, ## args) #else -# define DPRINTK(fmt, args...) +#define DPRINTK(fmt, args...) #endif static void au1000_calibrate_delay(void); @@ -57,7 +56,8 @@ extern void local_enable_irq(unsigned int irq_nr); static DEFINE_SPINLOCK(pm_lock); -/* We need to save/restore a bunch of core registers that are +/* + * We need to save/restore a bunch of core registers that are * either volatile or reset to some state across a processor sleep. * If reading a register doesn't provide a proper result for a * later restore, we have to provide a function for loading that @@ -78,24 +78,25 @@ static unsigned int sleep_usbhost_enable; static unsigned int sleep_usbdev_enable; static unsigned int sleep_static_memctlr[4][3]; -/* Define this to cause the value you write to /proc/sys/pm/sleep to +/* + * Define this to cause the value you write to /proc/sys/pm/sleep to * set the TOY timer for the amount of time you want to sleep. * This is done mainly for testing, but may be useful in other cases. * The value is number of 32KHz ticks to sleep. */ #define SLEEP_TEST_TIMEOUT 1 -#ifdef SLEEP_TEST_TIMEOUT -static int sleep_ticks; +#ifdef SLEEP_TEST_TIMEOUT +static int sleep_ticks; void wakeup_counter0_set(int ticks); #endif -static void -save_core_regs(void) +static void save_core_regs(void) { extern void save_au1xxx_intctl(void); extern void pm_eth0_shutdown(void); - /* Do the serial ports.....these really should be a pm_* + /* + * Do the serial ports.....these really should be a pm_* * registered function by the driver......but of course the * standard serial driver doesn't understand our Au1xxx * unique registers. @@ -106,27 +107,24 @@ save_core_regs(void) sleep_uart0_clkdiv = au_readl(UART0_ADDR + UART_CLK); sleep_uart0_enable = au_readl(UART0_ADDR + UART_MOD_CNTRL); - /* Shutdown USB host/device. - */ + /* Shutdown USB host/device. */ sleep_usbhost_enable = au_readl(USB_HOST_CONFIG); - /* There appears to be some undocumented reset register.... - */ + /* There appears to be some undocumented reset register.... */ au_writel(0, 0xb0100004); au_sync(); au_writel(0, USB_HOST_CONFIG); au_sync(); sleep_usbdev_enable = au_readl(USBD_ENABLE); au_writel(0, USBD_ENABLE); au_sync(); - /* Save interrupt controller state. - */ + /* Save interrupt controller state. */ save_au1xxx_intctl(); - /* Clocks and PLLs. - */ + /* Clocks and PLLs. */ sleep_aux_pll_cntrl = au_readl(SYS_AUXPLL); - /* We don't really need to do this one, but unless we + /* + * We don't really need to do this one, but unless we * write it again it won't have a valid value if we * happen to read it. */ @@ -134,8 +132,7 @@ save_core_regs(void) sleep_pin_function = au_readl(SYS_PINFUNC); - /* Save the static memory controller configuration. - */ + /* Save the static memory controller configuration. */ sleep_static_memctlr[0][0] = au_readl(MEM_STCFG0); sleep_static_memctlr[0][1] = au_readl(MEM_STTIME0); sleep_static_memctlr[0][2] = au_readl(MEM_STADDR0); @@ -150,8 +147,7 @@ save_core_regs(void) sleep_static_memctlr[3][2] = au_readl(MEM_STADDR3); } -static void -restore_core_regs(void) +static void restore_core_regs(void) { extern void restore_au1xxx_intctl(void); extern void wakeup_counter0_adjust(void); @@ -160,8 +156,7 @@ restore_core_regs(void) au_writel(sleep_cpu_pll_cntrl, SYS_CPUPLL); au_sync(); au_writel(sleep_pin_function, SYS_PINFUNC); au_sync(); - /* Restore the static memory controller configuration. - */ + /* Restore the static memory controller configuration. */ au_writel(sleep_static_memctlr[0][0], MEM_STCFG0); au_writel(sleep_static_memctlr[0][1], MEM_STTIME0); au_writel(sleep_static_memctlr[0][2], MEM_STADDR0); @@ -175,7 +170,8 @@ restore_core_regs(void) au_writel(sleep_static_memctlr[3][1], MEM_STTIME3); au_writel(sleep_static_memctlr[3][2], MEM_STADDR3); - /* Enable the UART if it was enabled before sleep. + /* + * Enable the UART if it was enabled before sleep. * I guess I should define module control bits........ */ if (sleep_uart0_enable & 0x02) { @@ -202,7 +198,7 @@ void wakeup_from_suspend(void) int au_sleep(void) { unsigned long wakeup, flags; - extern void save_and_sleep(void); + extern void save_and_sleep(void); spin_lock_irqsave(&pm_lock, flags); @@ -210,23 +206,22 @@ int au_sleep(void) flush_cache_all(); - /** The code below is all system dependent and we should probably + /** + ** The code below is all system dependent and we should probably ** have a function call out of here to set this up. You need ** to configure the GPIO or timer interrupts that will bring ** you out of sleep. ** For testing, the TOY counter wakeup is useful. **/ - #if 0 au_writel(au_readl(SYS_PINSTATERD) & ~(1 << 11), SYS_PINSTATERD); - /* gpio 6 can cause a wake up event */ + /* GPIO 6 can cause a wake up event */ wakeup = au_readl(SYS_WAKEMSK); wakeup &= ~(1 << 8); /* turn off match20 wakeup */ - wakeup |= 1 << 6; /* turn on gpio 6 wakeup */ + wakeup |= 1 << 6; /* turn on GPIO 6 wakeup */ #else - /* For testing, allow match20 to wake us up. - */ + /* For testing, allow match20 to wake us up. */ #ifdef SLEEP_TEST_TIMEOUT wakeup_counter0_set(sleep_ticks); #endif @@ -240,7 +235,8 @@ int au_sleep(void) save_and_sleep(); - /* after a wakeup, the cpu vectors back to 0x1fc00000 so + /* + * After a wakeup, the cpu vectors back to 0x1fc00000, so * it's up to the boot code to get us back here. */ restore_core_regs(); @@ -248,24 +244,22 @@ int au_sleep(void) return 0; } -static int pm_do_sleep(ctl_table * ctl, int write, struct file *file, - void __user *buffer, size_t * len, loff_t *ppos) +static int pm_do_sleep(ctl_table *ctl, int write, struct file *file, + void __user *buffer, size_t *len, loff_t *ppos) { #ifdef SLEEP_TEST_TIMEOUT #define TMPBUFLEN2 16 char buf[TMPBUFLEN2], *p; #endif - if (!write) { + if (!write) *len = 0; - } else { + else { #ifdef SLEEP_TEST_TIMEOUT - if (*len > TMPBUFLEN2 - 1) { + if (*len > TMPBUFLEN2 - 1) return -EFAULT; - } - if (copy_from_user(buf, buffer, *len)) { + if (copy_from_user(buf, buffer, *len)) return -EFAULT; - } buf[*len] = 0; p = buf; sleep_ticks = simple_strtoul(p, &p, 0); @@ -276,8 +270,8 @@ static int pm_do_sleep(ctl_table * ctl, int write, struct file *file, return 0; } -static int pm_do_freq(ctl_table * ctl, int write, struct file *file, - void __user *buffer, size_t * len, loff_t *ppos) +static int pm_do_freq(ctl_table *ctl, int write, struct file *file, + void __user *buffer, size_t *len, loff_t *ppos) { int retval = 0, i; unsigned long val, pll; @@ -285,14 +279,14 @@ static int pm_do_freq(ctl_table * ctl, int write, struct file *file, #define MAX_CPU_FREQ 396 char buf[TMPBUFLEN], *p; unsigned long flags, intc0_mask, intc1_mask; - unsigned long old_baud_base, old_cpu_freq, baud_rate, old_clk, - old_refresh; + unsigned long old_baud_base, old_cpu_freq, old_clk, old_refresh; unsigned long new_baud_base, new_cpu_freq, new_clk, new_refresh; + unsigned long baud_rate; spin_lock_irqsave(&pm_lock, flags); - if (!write) { + if (!write) *len = 0; - } else { + else { /* Parse the new frequency */ if (*len > TMPBUFLEN - 1) { spin_unlock_irqrestore(&pm_lock, flags); @@ -312,7 +306,7 @@ static int pm_do_freq(ctl_table * ctl, int write, struct file *file, pll = val / 12; if ((pll > 33) || (pll < 7)) { /* 396 MHz max, 84 MHz min */ - /* revisit this for higher speed cpus */ + /* Revisit this for higher speed CPUs */ spin_unlock_irqrestore(&pm_lock, flags); return -EFAULT; } @@ -321,30 +315,28 @@ static int pm_do_freq(ctl_table * ctl, int write, struct file *file, old_cpu_freq = get_au1x00_speed(); new_cpu_freq = pll * 12 * 1000000; - new_baud_base = (new_cpu_freq / (2 * ((int)(au_readl(SYS_POWERCTRL)&0x03) + 2) * 16)); + new_baud_base = (new_cpu_freq / (2 * ((int)(au_readl(SYS_POWERCTRL) + & 0x03) + 2) * 16)); set_au1x00_speed(new_cpu_freq); set_au1x00_uart_baud_base(new_baud_base); old_refresh = au_readl(MEM_SDREFCFG) & 0x1ffffff; - new_refresh = - ((old_refresh * new_cpu_freq) / - old_cpu_freq) | (au_readl(MEM_SDREFCFG) & ~0x1ffffff); + new_refresh = ((old_refresh * new_cpu_freq) / old_cpu_freq) | + (au_readl(MEM_SDREFCFG) & ~0x1ffffff); au_writel(pll, SYS_CPUPLL); au_sync_delay(1); au_writel(new_refresh, MEM_SDREFCFG); au_sync_delay(1); - for (i = 0; i < 4; i++) { - if (au_readl - (UART_BASE + UART_MOD_CNTRL + - i * 0x00100000) == 3) { - old_clk = - au_readl(UART_BASE + UART_CLK + - i * 0x00100000); - // baud_rate = baud_base/clk + for (i = 0; i < 4; i++) + if (au_readl(UART_BASE + UART_MOD_CNTRL + + i * 0x00100000) == 3) { + old_clk = au_readl(UART_BASE + UART_CLK + + i * 0x00100000); baud_rate = old_baud_base / old_clk; - /* we won't get an exact baud rate and the error + /* + * We won't get an exact baud rate and the error * could be significant enough that our new * calculation will result in a clock that will * give us a baud rate that's too far off from @@ -359,18 +351,14 @@ static int pm_do_freq(ctl_table * ctl, int write, struct file *file, else if (baud_rate > 17000) baud_rate = 19200; else - (baud_rate = 9600); - // new_clk = new_baud_base/baud_rate + baud_rate = 9600; new_clk = new_baud_base / baud_rate; - au_writel(new_clk, - UART_BASE + UART_CLK + - i * 0x00100000); + au_writel(new_clk, UART_BASE + UART_CLK + + i * 0x00100000); au_sync_delay(10); } - } } - /* * We don't want _any_ interrupts other than match20. Otherwise our * au1000_calibrate_delay() calculation will be off, potentially a lot. @@ -428,14 +416,15 @@ static int __init pm_init(void) __initcall(pm_init); - /* * This is right out of init/main.c */ -/* This is the number of bits of precision for the loops_per_jiffy. Each - bit takes on average 1.5/HZ seconds. This (like the original) is a little - better than 1% */ +/* + * This is the number of bits of precision for the loops_per_jiffy. + * Each bit takes on average 1.5/HZ seconds. This (like the original) + * is a little better than 1%. + */ #define LPS_PREC 8 static void au1000_calibrate_delay(void) @@ -443,14 +432,14 @@ static void au1000_calibrate_delay(void) unsigned long ticks, loopbit; int lps_precision = LPS_PREC; - loops_per_jiffy = (1 << 12); + loops_per_jiffy = 1 << 12; while (loops_per_jiffy <<= 1) { - /* wait for "start of" clock tick */ + /* Wait for "start of" clock tick */ ticks = jiffies; while (ticks == jiffies) /* nothing */ ; - /* Go .. */ + /* Go ... */ ticks = jiffies; __delay(loops_per_jiffy); ticks = jiffies - ticks; @@ -458,8 +447,10 @@ static void au1000_calibrate_delay(void) break; } -/* Do a binary approximation to get loops_per_jiffy set to equal one clock - (up to lps_precision bits) */ + /* + * Do a binary approximation to get loops_per_jiffy set to be equal + * one clock (up to lps_precision bits) + */ loops_per_jiffy >>= 1; loopbit = loops_per_jiffy; while (lps_precision-- && (loopbit >>= 1)) { @@ -472,4 +463,4 @@ static void au1000_calibrate_delay(void) loops_per_jiffy &= ~loopbit; } } -#endif /* CONFIG_PM */ +#endif /* CONFIG_PM */ diff --git a/arch/mips/au1000/common/prom.c b/arch/mips/au1000/common/prom.c index f10af829e4ec..18b310b475ca 100644 --- a/arch/mips/au1000/common/prom.c +++ b/arch/mips/au1000/common/prom.c @@ -3,9 +3,8 @@ * BRIEF MODULE DESCRIPTION * PROM library initialisation code, supports YAMON and U-Boot. * - * Copyright 2000, 2001, 2006 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2000-2001, 2006, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This file was derived from Carsten Langgaard's * arch/mips/mips-boards/xx files. @@ -57,7 +56,7 @@ void prom_init_cmdline(void) actr = 1; /* Always ignore argv[0] */ cp = &(arcs_cmdline[0]); - while(actr < prom_argc) { + while (actr < prom_argc) { strcpy(cp, prom_argv[actr]); cp += strlen(prom_argv[actr]); *cp++ = ' '; @@ -84,10 +83,8 @@ char *prom_getenv(char *envname) if (yamon) { if (strcmp(envname, *env++) == 0) return *env; - } else { - if (strncmp(envname, *env, i) == 0 && (*env)[i] == '=') - return *env + i + 1; - } + } else if (strncmp(envname, *env, i) == 0 && (*env)[i] == '=') + return *env + i + 1; env++; } @@ -110,13 +107,13 @@ static inline void str2eaddr(unsigned char *ea, unsigned char *str) { int i; - for(i = 0; i < 6; i++) { + for (i = 0; i < 6; i++) { unsigned char num; - if((*str == '.') || (*str == ':')) + if ((*str == '.') || (*str == ':')) str++; - num = str2hexnum(*str++) << 4; - num |= (str2hexnum(*str++)); + num = str2hexnum(*str++) << 4; + num |= str2hexnum(*str++); ea[i] = num; } } diff --git a/arch/mips/au1000/common/puts.c b/arch/mips/au1000/common/puts.c index e34c67e89293..55bbe24d45b6 100644 --- a/arch/mips/au1000/common/puts.c +++ b/arch/mips/au1000/common/puts.c @@ -1,11 +1,10 @@ /* * * BRIEF MODULE DESCRIPTION - * Low level uart routines to directly access a 16550 uart. + * Low level UART routines to directly access Alchemy UART. * - * Copyright 2001 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2001, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -40,12 +39,12 @@ static volatile unsigned long * const com1 = (unsigned long *)SERIAL_BASE; - #ifdef SLOW_DOWN static inline void slow_down(void) { - int k; - for (k=0; k<10000; k++); + int k; + + for (k = 0; k < 10000; k++); } #else #define slow_down() @@ -54,16 +53,16 @@ static inline void slow_down(void) void prom_putchar(const unsigned char c) { - unsigned char ch; - int i = 0; + unsigned char ch; + int i = 0; + + do { + ch = com1[SER_CMD]; + slow_down(); + i++; + if (i > TIMEOUT) + break; + } while (0 == (ch & TX_BUSY)); - do { - ch = com1[SER_CMD]; - slow_down(); - i++; - if (i>TIMEOUT) { - break; - } - } while (0 == (ch & TX_BUSY)); - com1[SER_DATA] = c; + com1[SER_DATA] = c; } diff --git a/arch/mips/au1000/common/reset.c b/arch/mips/au1000/common/reset.c index 60cec537c745..d555429c8d6f 100644 --- a/arch/mips/au1000/common/reset.c +++ b/arch/mips/au1000/common/reset.c @@ -1,11 +1,10 @@ /* * * BRIEF MODULE DESCRIPTION - * Au1000 reset routines. + * Au1xx0 reset routines. * - * Copyright 2001 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2001, 2006, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -28,10 +27,11 @@ * 675 Mass Ave, Cambridge, MA 02139, USA. */ +#include <asm/cacheflush.h> + #include <asm/mach-au1x00/au1000.h> extern int au_sleep(void); -extern void (*flush_cache_all)(void); void au1000_restart(char *command) { @@ -40,8 +40,8 @@ void au1000_restart(char *command) u32 prid = read_c0_prid(); printk(KERN_NOTICE "\n** Resetting Integrated Peripherals\n"); - switch (prid & 0xFF000000) - { + + switch (prid & 0xFF000000) { case 0x00000000: /* Au1000 */ au_writel(0x02, 0xb0000010); /* ac97_enable */ au_writel(0x08, 0xb017fffc); /* usbh_enable - early errata */ @@ -138,9 +138,6 @@ void au1000_restart(char *command) au_writel(0x00, 0xb1900064); /* sys_auxpll */ au_writel(0x00, 0xb1900100); /* sys_pininputen */ break; - - default: - break; } set_c0_status(ST0_BEV | ST0_ERL); @@ -158,25 +155,25 @@ void au1000_restart(char *command) void au1000_halt(void) { #if defined(CONFIG_MIPS_PB1550) || defined(CONFIG_MIPS_DB1550) - /* power off system */ - printk("\n** Powering off...\n"); - au_writew(au_readw(0xAF00001C) | (3<<14), 0xAF00001C); + /* Power off system */ + printk(KERN_NOTICE "\n** Powering off...\n"); + au_writew(au_readw(0xAF00001C) | (3 << 14), 0xAF00001C); au_sync(); - while(1); /* should not get here */ + while (1); /* should not get here */ #else printk(KERN_NOTICE "\n** You can safely turn off the power\n"); #ifdef CONFIG_MIPS_MIRAGE au_writel((1 << 26) | (1 << 10), GPIO2_OUTPUT); #endif #ifdef CONFIG_MIPS_DB1200 - au_writew(au_readw(0xB980001C) | (1<<14), 0xB980001C); + au_writew(au_readw(0xB980001C) | (1 << 14), 0xB980001C); #endif #ifdef CONFIG_PM au_sleep(); - /* should not get here */ - printk(KERN_ERR "Unable to put cpu in sleep mode\n"); - while(1); + /* Should not get here */ + printk(KERN_ERR "Unable to put CPU in sleep mode\n"); + while (1); #else while (1) __asm__(".set\tmips3\n\t" diff --git a/arch/mips/au1000/common/setup.c b/arch/mips/au1000/common/setup.c index 0e86f7a6b4a7..1ac6b06f42a3 100644 --- a/arch/mips/au1000/common/setup.c +++ b/arch/mips/au1000/common/setup.c @@ -1,7 +1,6 @@ /* - * Copyright 2000 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2000, 2007-2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com * * Updates to 2.6, Pete Popov, Embedded Alley Solutions, Inc. * @@ -48,7 +47,7 @@ void __init plat_mem_setup(void) { struct cpu_spec *sp; char *argptr; - unsigned long prid, cpufreq, bclk = 1; + unsigned long prid, cpufreq, bclk; set_cpuspec(); sp = cur_cpu_spec[0]; @@ -66,42 +65,39 @@ void __init plat_mem_setup(void) cpufreq = (au_readl(SYS_CPUPLL) & 0x3F) * 12; printk(KERN_INFO "(PRID %08lx) @ %ld MHz\n", prid, cpufreq); - bclk = sp->cpu_bclk; - if (bclk) - { + if (sp->cpu_bclk) { /* Enable BCLK switching */ - bclk = au_readl(0xB190003C); - au_writel(bclk | 0x60, 0xB190003C); - printk("BCLK switching enabled!\n"); + bclk = au_readl(SYS_POWERCTRL); + au_writel(bclk | 0x60, SYS_POWERCTRL); + printk(KERN_INFO "BCLK switching enabled!\n"); } - if (sp->cpu_od) { - /* Various early Au1000 Errata corrected by this */ - set_c0_config(1<<19); /* Set Config[OD] */ - } - else { + if (sp->cpu_od) + /* Various early Au1xx0 errata corrected by this */ + set_c0_config(1 << 19); /* Set Config[OD] */ + else /* Clear to obtain best system bus performance */ - clear_c0_config(1<<19); /* Clear Config[OD] */ - } + clear_c0_config(1 << 19); /* Clear Config[OD] */ argptr = prom_getcmdline(); #ifdef CONFIG_SERIAL_8250_CONSOLE - if ((argptr = strstr(argptr, "console=")) == NULL) { + argptr = strstr(argptr, "console="); + if (argptr == NULL) { argptr = prom_getcmdline(); strcat(argptr, " console=ttyS0,115200"); } #endif #ifdef CONFIG_FB_AU1100 - if ((argptr = strstr(argptr, "video=")) == NULL) { - argptr = prom_getcmdline(); - /* default panel */ - /*strcat(argptr, " video=au1100fb:panel:Sharp_320x240_16");*/ - } + argptr = strstr(argptr, "video="); + if (argptr == NULL) { + argptr = prom_getcmdline(); + /* default panel */ + /*strcat(argptr, " video=au1100fb:panel:Sharp_320x240_16");*/ + } #endif - #if defined(CONFIG_SOUND_AU1X00) && !defined(CONFIG_SOC_AU1000) /* au1000 does not support vra, au1500 and au1100 do */ strcat(argptr, " au1000_audio=vra"); @@ -129,7 +125,7 @@ void __init plat_mem_setup(void) /* This routine should be valid for all Au1x based boards */ phys_t __fixup_bigphys_addr(phys_t phys_addr, phys_t size) { - /* Don't fixup 36 bit addresses */ + /* Don't fixup 36-bit addresses */ if ((phys_addr >> 32) != 0) return phys_addr; @@ -145,17 +141,17 @@ phys_t __fixup_bigphys_addr(phys_t phys_addr, phys_t size) } #endif - /* All Au1x SOCs have a pcmcia controller */ - /* We setup our 32 bit pseudo addresses to be equal to the - * 36 bit addr >> 4, to make it easier to check the address + /* + * All Au1xx0 SOCs have a PCMCIA controller. + * We setup our 32-bit pseudo addresses to be equal to the + * 36-bit addr >> 4, to make it easier to check the address * and fix it. - * The Au1x socket 0 phys attribute address is 0xF 4000 0000. + * The PCMCIA socket 0 physical attribute address is 0xF 4000 0000. * The pseudo address we use is 0xF400 0000. Any address over - * 0xF400 0000 is a pcmcia pseudo address. + * 0xF400 0000 is a PCMCIA pseudo address. */ - if ((phys_addr >= 0xF4000000) && (phys_addr < 0xFFFFFFFF)) { + if ((phys_addr >= 0xF4000000) && (phys_addr < 0xFFFFFFFF)) return (phys_t)(phys_addr << 4); - } /* default nop */ return phys_addr; diff --git a/arch/mips/au1000/common/time.c b/arch/mips/au1000/common/time.c index bdb6d73b26fb..563d9390a872 100644 --- a/arch/mips/au1000/common/time.c +++ b/arch/mips/au1000/common/time.c @@ -25,11 +25,9 @@ * * Setting up the clock on the MIPS boards. * - * Update. Always configure the kernel with CONFIG_NEW_TIME_C. This - * will use the user interface gettimeofday() functions from the - * arch/mips/kernel/time.c, and we provide the clock interrupt processing - * and the timer offset compute functions. If CONFIG_PM is selected, - * we also ensure the 32KHz timer is available. -- Dan + * We provide the clock interrupt processing and the timer offset compute + * functions. If CONFIG_PM is selected, we also ensure the 32KHz timer is + * available. -- Dan */ #include <linux/types.h> @@ -47,8 +45,7 @@ extern int allow_au1k_wait; /* default off for CP0 Counter */ #if HZ < 100 || HZ > 1000 #error "unsupported HZ value! Must be in [100,1000]" #endif -#define MATCH20_INC (328*100/HZ) /* magic number 328 is for HZ=100... */ -extern void startup_match20_interrupt(irq_handler_t handler); +#define MATCH20_INC (328 * 100 / HZ) /* magic number 328 is for HZ=100... */ static unsigned long last_pc0, last_match20; #endif @@ -61,7 +58,7 @@ static irqreturn_t counter0_irq(int irq, void *dev_id) { unsigned long pc0; int time_elapsed; - static int jiffie_drift = 0; + static int jiffie_drift; if (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_M20) { /* should never happen! */ @@ -70,13 +67,11 @@ static irqreturn_t counter0_irq(int irq, void *dev_id) } pc0 = au_readl(SYS_TOYREAD); - if (pc0 < last_match20) { + if (pc0 < last_match20) /* counter overflowed */ time_elapsed = (0xffffffff - last_match20) + pc0; - } - else { + else time_elapsed = pc0 - last_match20; - } while (time_elapsed > 0) { do_timer(1); @@ -92,8 +87,9 @@ static irqreturn_t counter0_irq(int irq, void *dev_id) au_writel(last_match20 + MATCH20_INC, SYS_TOYMATCH2); au_sync(); - /* our counter ticks at 10.009765625 ms/tick, we we're running - * almost 10uS too slow per tick. + /* + * Our counter ticks at 10.009765625 ms/tick, we we're running + * almost 10 uS too slow per tick. */ if (jiffie_drift >= 999) { @@ -117,20 +113,17 @@ struct irqaction counter0_action = { /* When we wakeup from sleep, we have to "catch up" on all of the * timer ticks we have missed. */ -void -wakeup_counter0_adjust(void) +void wakeup_counter0_adjust(void) { unsigned long pc0; int time_elapsed; pc0 = au_readl(SYS_TOYREAD); - if (pc0 < last_match20) { + if (pc0 < last_match20) /* counter overflowed */ time_elapsed = (0xffffffff - last_match20) + pc0; - } - else { + else time_elapsed = pc0 - last_match20; - } while (time_elapsed > 0) { time_elapsed -= MATCH20_INC; @@ -143,10 +136,8 @@ wakeup_counter0_adjust(void) } -/* This is just for debugging to set the timer for a sleep delay. -*/ -void -wakeup_counter0_set(int ticks) +/* This is just for debugging to set the timer for a sleep delay. */ +void wakeup_counter0_set(int ticks) { unsigned long pc0; @@ -157,21 +148,22 @@ wakeup_counter0_set(int ticks) } #endif -/* I haven't found anyone that doesn't use a 12 MHz source clock, +/* + * I haven't found anyone that doesn't use a 12 MHz source clock, * but just in case..... */ #define AU1000_SRC_CLK 12000000 /* * We read the real processor speed from the PLL. This is important - * because it is more accurate than computing it from the 32KHz + * because it is more accurate than computing it from the 32 KHz * counter, if it exists. If we don't have an accurate processor * speed, all of the peripherals that derive their clocks based on * this advertised speed will introduce error and sometimes not work * properly. This function is futher convoluted to still allow configurations * to do that in case they have really, really old silicon with a - * write-only PLL register, that we need the 32KHz when power management - * "wait" is enabled, and we need to detect if the 32KHz isn't present + * write-only PLL register, that we need the 32 KHz when power management + * "wait" is enabled, and we need to detect if the 32 KHz isn't present * but requested......got it? :-) -- Dan */ unsigned long calc_clock(void) @@ -182,8 +174,7 @@ unsigned long calc_clock(void) spin_lock_irqsave(&time_lock, flags); - /* Power management cares if we don't have a 32KHz counter. - */ + /* Power management cares if we don't have a 32 KHz counter. */ no_au1xxx_32khz = 0; counter = au_readl(SYS_COUNTER_CNTRL); if (counter & SYS_CNTRL_E0) { @@ -193,7 +184,7 @@ unsigned long calc_clock(void) while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_T1S); /* RTC now ticks at 32.768/16 kHz */ - au_writel(trim_divide-1, SYS_RTCTRIM); + au_writel(trim_divide - 1, SYS_RTCTRIM); while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_T1S); while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_C1S); @@ -215,9 +206,11 @@ unsigned long calc_clock(void) #endif else cpu_speed = (au_readl(SYS_CPUPLL) & 0x0000003f) * AU1000_SRC_CLK; + /* On Alchemy CPU:counter ratio is 1:1 */ mips_hpt_frequency = cpu_speed; - // Equation: Baudrate = CPU / (SD * 2 * CLKDIV * 16) - set_au1x00_uart_baud_base(cpu_speed / (2 * ((int)(au_readl(SYS_POWERCTRL)&0x03) + 2) * 16)); + /* Equation: Baudrate = CPU / (SD * 2 * CLKDIV * 16) */ + set_au1x00_uart_baud_base(cpu_speed / (2 * ((int)(au_readl(SYS_POWERCTRL) + & 0x03) + 2) * 16)); spin_unlock_irqrestore(&time_lock, flags); return cpu_speed; } @@ -228,10 +221,10 @@ void __init plat_time_init(void) est_freq += 5000; /* round */ est_freq -= est_freq%10000; - printk("CPU frequency %d.%02d MHz\n", est_freq/1000000, - (est_freq%1000000)*100/1000000); - set_au1x00_speed(est_freq); - set_au1x00_lcd_clock(); // program the LCD clock + printk(KERN_INFO "CPU frequency %u.%02u MHz\n", + est_freq / 1000000, ((est_freq % 1000000) * 100) / 1000000); + set_au1x00_speed(est_freq); + set_au1x00_lcd_clock(); /* program the LCD clock */ #ifdef CONFIG_PM /* @@ -243,30 +236,29 @@ void __init plat_time_init(void) * counter 0 interrupt as a special irq and it doesn't show * up under /proc/interrupts. * - * Check to ensure we really have a 32KHz oscillator before + * Check to ensure we really have a 32 KHz oscillator before * we do this. */ if (no_au1xxx_32khz) - printk("WARNING: no 32KHz clock found.\n"); + printk(KERN_WARNING "WARNING: no 32KHz clock found.\n"); else { while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_C0S); au_writel(0, SYS_TOYWRITE); while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_C0S); - au_writel(au_readl(SYS_WAKEMSK) | (1<<8), SYS_WAKEMSK); + au_writel(au_readl(SYS_WAKEMSK) | (1 << 8), SYS_WAKEMSK); au_writel(~0, SYS_WAKESRC); au_sync(); while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_M20); - /* setup match20 to interrupt once every HZ */ + /* Setup match20 to interrupt once every HZ */ last_pc0 = last_match20 = au_readl(SYS_TOYREAD); au_writel(last_match20 + MATCH20_INC, SYS_TOYMATCH2); au_sync(); while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_M20); setup_irq(AU1000_TOY_MATCH2_INT, &counter0_action); - /* We can use the real 'wait' instruction. - */ + /* We can use the real 'wait' instruction. */ allow_au1k_wait = 1; } diff --git a/arch/mips/au1000/db1x00/Makefile b/arch/mips/au1000/db1x00/Makefile index 51d62bd5d900..274db3b55d82 100644 --- a/arch/mips/au1000/db1x00/Makefile +++ b/arch/mips/au1000/db1x00/Makefile @@ -1,8 +1,8 @@ # -# Copyright 2000 MontaVista Software Inc. -# Author: MontaVista Software, Inc. -# ppopov@mvista.com or source@mvista.com +# Copyright 2000, 2008 MontaVista Software Inc. +# Author: MontaVista Software, Inc. <source@mvista.com> +# +# Makefile for the Alchemy Semiconductor DBAu1xx0 boards. # -# Makefile for the Alchemy Semiconductor Db1x00 board. lib-y := init.o board_setup.o irqmap.o diff --git a/arch/mips/au1000/db1x00/board_setup.c b/arch/mips/au1000/db1x00/board_setup.c index b7dcbad5c586..9e5ccbbfcedd 100644 --- a/arch/mips/au1000/db1x00/board_setup.c +++ b/arch/mips/au1000/db1x00/board_setup.c @@ -3,9 +3,8 @@ * BRIEF MODULE DESCRIPTION * Alchemy Db1x00 board setup. * - * Copyright 2000 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2000, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -37,49 +36,49 @@ static BCSR * const bcsr = (BCSR *)BCSR_KSEG1_ADDR; void board_reset(void) { - /* Hit BCSR.SYSTEM_CONTROL[SW_RST] */ + /* Hit BCSR.SW_RESET[RESET] */ bcsr->swreset = 0x0000; } void __init board_setup(void) { - u32 pin_func; + u32 pin_func = 0; - pin_func = 0; - /* not valid for 1550 */ - -#if defined(CONFIG_IRDA) && (defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1100)) - /* set IRFIRSEL instead of GPIO15 */ - pin_func = au_readl(SYS_PINFUNC) | (u32)((1<<8)); + /* Not valid for Au1550 */ +#if defined(CONFIG_IRDA) && \ + (defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1100)) + /* Set IRFIRSEL instead of GPIO15 */ + pin_func = au_readl(SYS_PINFUNC) | SYS_PF_IRF; au_writel(pin_func, SYS_PINFUNC); - /* power off until the driver is in use */ + /* Power off until the driver is in use */ bcsr->resets &= ~BCSR_RESETS_IRDA_MODE_MASK; - bcsr->resets |= BCSR_RESETS_IRDA_MODE_OFF; + bcsr->resets |= BCSR_RESETS_IRDA_MODE_OFF; au_sync(); #endif bcsr->pcmcia = 0x0000; /* turn off PCMCIA power */ #ifdef CONFIG_MIPS_MIRAGE - /* enable GPIO[31:0] inputs */ + /* Enable GPIO[31:0] inputs */ au_writel(0, SYS_PININPUTEN); - /* GPIO[20] is output, tristate the other input primary GPIO's */ - au_writel((u32)(~(1<<20)), SYS_TRIOUTCLR); + /* GPIO[20] is output, tristate the other input primary GPIOs */ + au_writel(~(1 << 20), SYS_TRIOUTCLR); - /* set GPIO[210:208] instead of SSI_0 */ - pin_func = au_readl(SYS_PINFUNC) | (u32)(1); + /* Set GPIO[210:208] instead of SSI_0 */ + pin_func = au_readl(SYS_PINFUNC) | SYS_PF_S0; - /* set GPIO[215:211] for LED's */ - pin_func |= (u32)((5<<2)); + /* Set GPIO[215:211] for LEDs */ + pin_func |= 5 << 2; - /* set GPIO[214:213] for more LED's */ - pin_func |= (u32)((5<<12)); + /* Set GPIO[214:213] for more LEDs */ + pin_func |= 5 << 12; - /* set GPIO[207:200] instead of PCMCIA/LCD */ - pin_func |= (u32)((3<<17)); + /* Set GPIO[207:200] instead of PCMCIA/LCD */ + pin_func |= SYS_PF_LCD | SYS_PF_PC; au_writel(pin_func, SYS_PINFUNC); - /* Enable speaker amplifier. This should + /* + * Enable speaker amplifier. This should * be part of the audio driver. */ au_writel(au_readl(GPIO2_DIR) | 0x200, GPIO2_DIR); @@ -89,21 +88,21 @@ void __init board_setup(void) au_sync(); #ifdef CONFIG_MIPS_DB1000 - printk("AMD Alchemy Au1000/Db1000 Board\n"); + printk(KERN_INFO "AMD Alchemy Au1000/Db1000 Board\n"); #endif #ifdef CONFIG_MIPS_DB1500 - printk("AMD Alchemy Au1500/Db1500 Board\n"); + printk(KERN_INFO "AMD Alchemy Au1500/Db1500 Board\n"); #endif #ifdef CONFIG_MIPS_DB1100 - printk("AMD Alchemy Au1100/Db1100 Board\n"); + printk(KERN_INFO "AMD Alchemy Au1100/Db1100 Board\n"); #endif #ifdef CONFIG_MIPS_BOSPORUS - printk("AMD Alchemy Bosporus Board\n"); + printk(KERN_INFO "AMD Alchemy Bosporus Board\n"); #endif #ifdef CONFIG_MIPS_MIRAGE - printk("AMD Alchemy Mirage Board\n"); + printk(KERN_INFO "AMD Alchemy Mirage Board\n"); #endif #ifdef CONFIG_MIPS_DB1550 - printk("AMD Alchemy Au1550/Db1550 Board\n"); + printk(KERN_INFO "AMD Alchemy Au1550/Db1550 Board\n"); #endif } diff --git a/arch/mips/au1000/db1x00/init.c b/arch/mips/au1000/db1x00/init.c index d3b967caf70c..5ebe0de5e459 100644 --- a/arch/mips/au1000/db1x00/init.c +++ b/arch/mips/au1000/db1x00/init.c @@ -2,9 +2,8 @@ * BRIEF MODULE DESCRIPTION * PB1000 board setup * - * Copyright 2001 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2001, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -49,8 +48,8 @@ void __init prom_init(void) unsigned long memsize; prom_argc = fw_arg0; - prom_argv = (char **) fw_arg1; - prom_envp = (char **) fw_arg2; + prom_argv = (char **)fw_arg1; + prom_envp = (char **)fw_arg2; prom_init_cmdline(); @@ -58,6 +57,6 @@ void __init prom_init(void) if (!memsize_str) memsize = 0x04000000; else - memsize = simple_strtol(memsize_str, NULL, 0); + memsize = strict_strtol(memsize_str, 0, NULL); add_memory_region(0, memsize, BOOT_MEM_RAM); } diff --git a/arch/mips/au1000/db1x00/irqmap.c b/arch/mips/au1000/db1x00/irqmap.c index eaa50c7b6341..94c090e8bf7a 100644 --- a/arch/mips/au1000/db1x00/irqmap.c +++ b/arch/mips/au1000/db1x00/irqmap.c @@ -32,32 +32,32 @@ #ifdef CONFIG_MIPS_DB1500 char irq_tab_alchemy[][5] __initdata = { - [12] = { -1, INTA, INTX, INTX, INTX}, /* IDSEL 12 - HPT371 */ - [13] = { -1, INTA, INTB, INTC, INTD}, /* IDSEL 13 - PCI slot */ + [12] = { -1, INTA, INTX, INTX, INTX }, /* IDSEL 12 - HPT371 */ + [13] = { -1, INTA, INTB, INTC, INTD }, /* IDSEL 13 - PCI slot */ }; #endif #ifdef CONFIG_MIPS_BOSPORUS char irq_tab_alchemy[][5] __initdata = { - [11] = { -1, INTA, INTB, INTX, INTX}, /* IDSEL 11 - miniPCI */ - [12] = { -1, INTA, INTX, INTX, INTX}, /* IDSEL 12 - SN1741 */ - [13] = { -1, INTA, INTB, INTC, INTD}, /* IDSEL 13 - PCI slot */ + [11] = { -1, INTA, INTB, INTX, INTX }, /* IDSEL 11 - miniPCI */ + [12] = { -1, INTA, INTX, INTX, INTX }, /* IDSEL 12 - SN1741 */ + [13] = { -1, INTA, INTB, INTC, INTD }, /* IDSEL 13 - PCI slot */ }; #endif #ifdef CONFIG_MIPS_MIRAGE char irq_tab_alchemy[][5] __initdata = { - [11] = { -1, INTD, INTX, INTX, INTX}, /* IDSEL 11 - SMI VGX */ - [12] = { -1, INTX, INTX, INTC, INTX}, /* IDSEL 12 - PNX1300 */ - [13] = { -1, INTA, INTB, INTX, INTX}, /* IDSEL 13 - miniPCI */ + [11] = { -1, INTD, INTX, INTX, INTX }, /* IDSEL 11 - SMI VGX */ + [12] = { -1, INTX, INTX, INTC, INTX }, /* IDSEL 12 - PNX1300 */ + [13] = { -1, INTA, INTB, INTX, INTX }, /* IDSEL 13 - miniPCI */ }; #endif #ifdef CONFIG_MIPS_DB1550 char irq_tab_alchemy[][5] __initdata = { - [11] = { -1, INTC, INTX, INTX, INTX}, /* IDSEL 11 - on-board HPT371 */ - [12] = { -1, INTB, INTC, INTD, INTA}, /* IDSEL 12 - PCI slot 2 (left) */ - [13] = { -1, INTA, INTB, INTC, INTD}, /* IDSEL 13 - PCI slot 1 (right) */ + [11] = { -1, INTC, INTX, INTX, INTX }, /* IDSEL 11 - on-board HPT371 */ + [12] = { -1, INTB, INTC, INTD, INTA }, /* IDSEL 12 - PCI slot 2 (left) */ + [13] = { -1, INTA, INTB, INTC, INTD }, /* IDSEL 13 - PCI slot 1 (right) */ }; #endif diff --git a/arch/mips/au1000/mtx-1/Makefile b/arch/mips/au1000/mtx-1/Makefile index 85a90941de4f..7c67b3d33bec 100644 --- a/arch/mips/au1000/mtx-1/Makefile +++ b/arch/mips/au1000/mtx-1/Makefile @@ -1,7 +1,6 @@ # # Copyright 2003 MontaVista Software Inc. -# Author: MontaVista Software, Inc. -# ppopov@mvista.com or source@mvista.com +# Author: MontaVista Software, Inc. <source@mvista.com> # Bruno Randolf <bruno.randolf@4g-systems.biz> # # Makefile for 4G Systems MTX-1 board. diff --git a/arch/mips/au1000/mtx-1/board_setup.c b/arch/mips/au1000/mtx-1/board_setup.c index 5736354829c6..3f8079186cf2 100644 --- a/arch/mips/au1000/mtx-1/board_setup.c +++ b/arch/mips/au1000/mtx-1/board_setup.c @@ -3,9 +3,8 @@ * BRIEF MODULE DESCRIPTION * 4G Systems MTX-1 board setup. * - * Copyright 2003 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2003, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * Bruno Randolf <bruno.randolf@4g-systems.biz> * * This program is free software; you can redistribute it and/or modify it @@ -34,7 +33,7 @@ #include <asm/mach-au1x00/au1000.h> extern int (*board_pci_idsel)(unsigned int devsel, int assert); -int mtx1_pci_idsel(unsigned int devsel, int assert); +int mtx1_pci_idsel(unsigned int devsel, int assert); void board_reset(void) { @@ -45,36 +44,36 @@ void board_reset(void) void __init board_setup(void) { #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) - // enable USB power switch - au_writel( au_readl(GPIO2_DIR) | 0x10, GPIO2_DIR ); - au_writel( 0x100000, GPIO2_OUTPUT ); + /* Enable USB power switch */ + au_writel(au_readl(GPIO2_DIR) | 0x10, GPIO2_DIR); + au_writel(0x100000, GPIO2_OUTPUT); #endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */ #ifdef CONFIG_PCI #if defined(__MIPSEB__) - au_writel(0xf | (2<<6) | (1<<4), Au1500_PCI_CFG); + au_writel(0xf | (2 << 6) | (1 << 4), Au1500_PCI_CFG); #else au_writel(0xf, Au1500_PCI_CFG); #endif #endif - // initialize sys_pinfunc: - au_writel( SYS_PF_NI2, SYS_PINFUNC ); + /* Initialize sys_pinfunc */ + au_writel(SYS_PF_NI2, SYS_PINFUNC); - // initialize GPIO - au_writel( 0xFFFFFFFF, SYS_TRIOUTCLR ); - au_writel( 0x00000001, SYS_OUTPUTCLR ); // set M66EN (PCI 66MHz) to OFF - au_writel( 0x00000008, SYS_OUTPUTSET ); // set PCI CLKRUN# to OFF - au_writel( 0x00000002, SYS_OUTPUTSET ); // set EXT_IO3 ON - au_writel( 0x00000020, SYS_OUTPUTCLR ); // set eth PHY TX_ER to OFF + /* Initialize GPIO */ + au_writel(0xFFFFFFFF, SYS_TRIOUTCLR); + au_writel(0x00000001, SYS_OUTPUTCLR); /* set M66EN (PCI 66MHz) to OFF */ + au_writel(0x00000008, SYS_OUTPUTSET); /* set PCI CLKRUN# to OFF */ + au_writel(0x00000002, SYS_OUTPUTSET); /* set EXT_IO3 ON */ + au_writel(0x00000020, SYS_OUTPUTCLR); /* set eth PHY TX_ER to OFF */ - // enable LED and set it to green - au_writel( au_readl(GPIO2_DIR) | 0x1800, GPIO2_DIR ); - au_writel( 0x18000800, GPIO2_OUTPUT ); + /* Enable LED and set it to green */ + au_writel(au_readl(GPIO2_DIR) | 0x1800, GPIO2_DIR); + au_writel(0x18000800, GPIO2_OUTPUT); board_pci_idsel = mtx1_pci_idsel; - printk("4G Systems MTX-1 Board\n"); + printk(KERN_INFO "4G Systems MTX-1 Board\n"); } int @@ -82,20 +81,18 @@ mtx1_pci_idsel(unsigned int devsel, int assert) { #define MTX_IDSEL_ONLY_0_AND_3 0 #if MTX_IDSEL_ONLY_0_AND_3 - if (devsel != 0 && devsel != 3) { - printk("*** not 0 or 3\n"); - return 0; - } + if (devsel != 0 && devsel != 3) { + printk(KERN_ERR "*** not 0 or 3\n"); + return 0; + } #endif - if (assert && devsel != 0) { - // suppress signal to cardbus - au_writel( 0x00000002, SYS_OUTPUTCLR ); // set EXT_IO3 OFF - } - else { - au_writel( 0x00000002, SYS_OUTPUTSET ); // set EXT_IO3 ON - } - au_sync_udelay(1); - return 1; + if (assert && devsel != 0) + /* Suppress signal to Cardbus */ + au_writel(0x00000002, SYS_OUTPUTCLR); /* set EXT_IO3 OFF */ + else + au_writel(0x00000002, SYS_OUTPUTSET); /* set EXT_IO3 ON */ + au_sync_udelay(1); + return 1; } diff --git a/arch/mips/au1000/mtx-1/init.c b/arch/mips/au1000/mtx-1/init.c index c015cbce1cca..33a4aebe0cba 100644 --- a/arch/mips/au1000/mtx-1/init.c +++ b/arch/mips/au1000/mtx-1/init.c @@ -3,9 +3,8 @@ * BRIEF MODULE DESCRIPTION * 4G Systems MTX-1 board setup * - * Copyright 2003 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2003, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * Bruno Randolf <bruno.randolf@4g-systems.biz> * * This program is free software; you can redistribute it and/or modify it @@ -47,8 +46,8 @@ void __init prom_init(void) unsigned long memsize; prom_argc = fw_arg0; - prom_argv = (char **) fw_arg1; - prom_envp = (char **) fw_arg2; + prom_argv = (char **)fw_arg1; + prom_envp = (char **)fw_arg2; prom_init_cmdline(); @@ -56,6 +55,6 @@ void __init prom_init(void) if (!memsize_str) memsize = 0x04000000; else - memsize = simple_strtol(memsize_str, NULL, 0); + memsize = strict_strtol(memsize_str, 0, NULL); add_memory_region(0, memsize, BOOT_MEM_RAM); } diff --git a/arch/mips/au1000/mtx-1/irqmap.c b/arch/mips/au1000/mtx-1/irqmap.c index 78d70c42c9db..f2bf02951e9c 100644 --- a/arch/mips/au1000/mtx-1/irqmap.c +++ b/arch/mips/au1000/mtx-1/irqmap.c @@ -31,18 +31,18 @@ #include <asm/mach-au1x00/au1000.h> char irq_tab_alchemy[][5] __initdata = { - [0] = { -1, INTA, INTA, INTX, INTX}, /* IDSEL 00 - AdapterA-Slot0 (top) */ - [1] = { -1, INTB, INTA, INTX, INTX}, /* IDSEL 01 - AdapterA-Slot1 (bottom) */ - [2] = { -1, INTC, INTD, INTX, INTX}, /* IDSEL 02 - AdapterB-Slot0 (top) */ - [3] = { -1, INTD, INTC, INTX, INTX}, /* IDSEL 03 - AdapterB-Slot1 (bottom) */ - [4] = { -1, INTA, INTB, INTX, INTX}, /* IDSEL 04 - AdapterC-Slot0 (top) */ - [5] = { -1, INTB, INTA, INTX, INTX}, /* IDSEL 05 - AdapterC-Slot1 (bottom) */ - [6] = { -1, INTC, INTD, INTX, INTX}, /* IDSEL 06 - AdapterD-Slot0 (top) */ - [7] = { -1, INTD, INTC, INTX, INTX}, /* IDSEL 07 - AdapterD-Slot1 (bottom) */ + [0] = { -1, INTA, INTA, INTX, INTX }, /* IDSEL 00 - AdapterA-Slot0 (top) */ + [1] = { -1, INTB, INTA, INTX, INTX }, /* IDSEL 01 - AdapterA-Slot1 (bottom) */ + [2] = { -1, INTC, INTD, INTX, INTX }, /* IDSEL 02 - AdapterB-Slot0 (top) */ + [3] = { -1, INTD, INTC, INTX, INTX }, /* IDSEL 03 - AdapterB-Slot1 (bottom) */ + [4] = { -1, INTA, INTB, INTX, INTX }, /* IDSEL 04 - AdapterC-Slot0 (top) */ + [5] = { -1, INTB, INTA, INTX, INTX }, /* IDSEL 05 - AdapterC-Slot1 (bottom) */ + [6] = { -1, INTC, INTD, INTX, INTX }, /* IDSEL 06 - AdapterD-Slot0 (top) */ + [7] = { -1, INTD, INTC, INTX, INTX }, /* IDSEL 07 - AdapterD-Slot1 (bottom) */ }; struct au1xxx_irqmap __initdata au1xxx_irq_map[] = { - { AU1500_GPIO_204, INTC_INT_HIGH_LEVEL, 0}, + { AU1500_GPIO_204, INTC_INT_HIGH_LEVEL, 0 }, { AU1500_GPIO_201, INTC_INT_LOW_LEVEL, 0 }, { AU1500_GPIO_202, INTC_INT_LOW_LEVEL, 0 }, { AU1500_GPIO_203, INTC_INT_LOW_LEVEL, 0 }, diff --git a/arch/mips/au1000/mtx-1/platform.c b/arch/mips/au1000/mtx-1/platform.c index a7edbf0829ac..9807be37c32f 100644 --- a/arch/mips/au1000/mtx-1/platform.c +++ b/arch/mips/au1000/mtx-1/platform.c @@ -21,11 +21,10 @@ #include <linux/init.h> #include <linux/platform_device.h> #include <linux/leds.h> +#include <linux/gpio.h> #include <linux/gpio_keys.h> #include <linux/input.h> -#include <asm/gpio.h> - static struct gpio_keys_button mtx1_gpio_button[] = { { .gpio = 207, diff --git a/arch/mips/au1000/pb1000/Makefile b/arch/mips/au1000/pb1000/Makefile index daa1a507e72f..99bbec0ca41b 100644 --- a/arch/mips/au1000/pb1000/Makefile +++ b/arch/mips/au1000/pb1000/Makefile @@ -1,8 +1,8 @@ # -# Copyright 2000 MontaVista Software Inc. -# Author: MontaVista Software, Inc. -# ppopov@mvista.com or source@mvista.com +# Copyright 2000, 2008 MontaVista Software Inc. +# Author: MontaVista Software, Inc. <source@mvista.com> +# +# Makefile for the Alchemy Semiconductor Pb1000 board. # -# Makefile for the Alchemy Semiconductor PB1000 board. lib-y := init.o board_setup.o irqmap.o diff --git a/arch/mips/au1000/pb1000/board_setup.c b/arch/mips/au1000/pb1000/board_setup.c index 33f15acc1b17..25df167a95b3 100644 --- a/arch/mips/au1000/pb1000/board_setup.c +++ b/arch/mips/au1000/pb1000/board_setup.c @@ -1,7 +1,6 @@ /* - * Copyright 2000 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2000, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -40,128 +39,126 @@ void __init board_setup(void) u32 sys_freqctrl, sys_clksrc; u32 prid = read_c0_prid(); - // set AUX clock to 12MHz * 8 = 96 MHz + /* Set AUX clock to 12 MHz * 8 = 96 MHz */ au_writel(8, SYS_AUXPLL); au_writel(0, SYS_PINSTATERD); udelay(100); #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) - /* zero and disable FREQ2 */ + /* Zero and disable FREQ2 */ sys_freqctrl = au_readl(SYS_FREQCTRL0); sys_freqctrl &= ~0xFFF00000; au_writel(sys_freqctrl, SYS_FREQCTRL0); - /* zero and disable USBH/USBD clocks */ + /* Zero and disable USBH/USBD clocks */ sys_clksrc = au_readl(SYS_CLKSRC); - sys_clksrc &= ~0x00007FE0; + sys_clksrc &= ~(SYS_CS_CUD | SYS_CS_DUD | SYS_CS_MUD_MASK | + SYS_CS_CUH | SYS_CS_DUH | SYS_CS_MUH_MASK); au_writel(sys_clksrc, SYS_CLKSRC); sys_freqctrl = au_readl(SYS_FREQCTRL0); sys_freqctrl &= ~0xFFF00000; sys_clksrc = au_readl(SYS_CLKSRC); - sys_clksrc &= ~0x00007FE0; + sys_clksrc &= ~(SYS_CS_CUD | SYS_CS_DUD | SYS_CS_MUD_MASK | + SYS_CS_CUH | SYS_CS_DUH | SYS_CS_MUH_MASK); - switch (prid & 0x000000FF) - { + switch (prid & 0x000000FF) { case 0x00: /* DA */ case 0x01: /* HA */ case 0x02: /* HB */ - /* CPU core freq to 48MHz to slow it way down... */ - au_writel(4, SYS_CPUPLL); + /* CPU core freq to 48 MHz to slow it way down... */ + au_writel(4, SYS_CPUPLL); - /* - * Setup 48MHz FREQ2 from CPUPLL for USB Host - */ - /* FRDIV2=3 -> div by 8 of 384MHz -> 48MHz */ - sys_freqctrl |= ((3<<22) | (1<<21) | (0<<20)); - au_writel(sys_freqctrl, SYS_FREQCTRL0); + /* + * Setup 48 MHz FREQ2 from CPUPLL for USB Host + * FRDIV2 = 3 -> div by 8 of 384 MHz -> 48 MHz + */ + sys_freqctrl |= (3 << SYS_FC_FRDIV2_BIT) | SYS_FC_FE2; + au_writel(sys_freqctrl, SYS_FREQCTRL0); - /* CPU core freq to 384MHz */ - au_writel(0x20, SYS_CPUPLL); + /* CPU core freq to 384 MHz */ + au_writel(0x20, SYS_CPUPLL); - printk("Au1000: 48MHz OHCI workaround enabled\n"); + printk(KERN_INFO "Au1000: 48 MHz OHCI workaround enabled\n"); break; - default: /* HC and newer */ - // FREQ2 = aux/2 = 48 MHz - sys_freqctrl |= ((0<<22) | (1<<21) | (1<<20)); - au_writel(sys_freqctrl, SYS_FREQCTRL0); + default: /* HC and newer */ + /* FREQ2 = aux / 2 = 48 MHz */ + sys_freqctrl |= (0 << SYS_FC_FRDIV2_BIT) | + SYS_FC_FE2 | SYS_FC_FS2; + au_writel(sys_freqctrl, SYS_FREQCTRL0); break; } /* - * Route 48MHz FREQ2 into USB Host and/or Device + * Route 48 MHz FREQ2 into USB Host and/or Device */ -#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) - sys_clksrc |= ((4<<12) | (0<<11) | (0<<10)); -#endif + sys_clksrc |= SYS_CS_MUX_FQ2 << SYS_CS_MUH_BIT; au_writel(sys_clksrc, SYS_CLKSRC); - // configure pins GPIO[14:9] as GPIO - pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x8080); + /* Configure pins GPIO[14:9] as GPIO */ + pin_func = au_readl(SYS_PINFUNC) & ~(SYS_PF_UR3 | SYS_PF_USB); - // 2nd USB port is USB host - pin_func |= 0x8000; + /* 2nd USB port is USB host */ + pin_func |= SYS_PF_USB; au_writel(pin_func, SYS_PINFUNC); au_writel(0x2800, SYS_TRIOUTCLR); au_writel(0x0030, SYS_OUTPUTCLR); #endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */ - // make gpio 15 an input (for interrupt line) - pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x100); - // we don't need I2S, so make it available for GPIO[31:29] - pin_func |= (1<<5); + /* Make GPIO 15 an input (for interrupt line) */ + pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_IRF; + /* We don't need I2S, so make it available for GPIO[31:29] */ + pin_func |= SYS_PF_I2S; au_writel(pin_func, SYS_PINFUNC); au_writel(0x8000, SYS_TRIOUTCLR); - static_cfg0 = au_readl(MEM_STCFG0) & (u32)(~0xc00); + static_cfg0 = au_readl(MEM_STCFG0) & ~0xc00; au_writel(static_cfg0, MEM_STCFG0); - // configure RCE2* for LCD + /* configure RCE2* for LCD */ au_writel(0x00000004, MEM_STCFG2); - // MEM_STTIME2 + /* MEM_STTIME2 */ au_writel(0x09000000, MEM_STTIME2); - // Set 32-bit base address decoding for RCE2* + /* Set 32-bit base address decoding for RCE2* */ au_writel(0x10003ff0, MEM_STADDR2); - // PCI CPLD setup - // expand CE0 to cover PCI + /* + * PCI CPLD setup + * Expand CE0 to cover PCI + */ au_writel(0x11803e40, MEM_STADDR1); - // burst visibility on + /* Burst visibility on */ au_writel(au_readl(MEM_STCFG0) | 0x1000, MEM_STCFG0); - au_writel(0x83, MEM_STCFG1); // ewait enabled, flash timing - au_writel(0x33030a10, MEM_STTIME1); // slower timing for FPGA + au_writel(0x83, MEM_STCFG1); /* ewait enabled, flash timing */ + au_writel(0x33030a10, MEM_STTIME1); /* slower timing for FPGA */ - /* setup the static bus controller */ + /* Setup the static bus controller */ au_writel(0x00000002, MEM_STCFG3); /* type = PCMCIA */ au_writel(0x280E3D07, MEM_STTIME3); /* 250ns cycle time */ au_writel(0x10000000, MEM_STADDR3); /* any PCMCIA select */ -#ifdef CONFIG_PCI - au_writel(0, PCI_BRIDGE_CONFIG); // set extend byte to 0 - au_writel(0, SDRAM_MBAR); // set mbar to 0 - au_writel(0x2, SDRAM_CMD); // enable memory accesses - au_sync_delay(1); -#endif - - /* Enable Au1000 BCLK switching - note: sed1356 must not use - * its BCLK (Au1000 LCLK) for any timings */ - switch (prid & 0x000000FF) - { + /* + * Enable Au1000 BCLK switching - note: sed1356 must not use + * its BCLK (Au1000 LCLK) for any timings + */ + switch (prid & 0x000000FF) { case 0x00: /* DA */ case 0x01: /* HA */ case 0x02: /* HB */ break; default: /* HC and newer */ - /* Enable sys bus clock divider when IDLE state or no bus - activity. */ + /* + * Enable sys bus clock divider when IDLE state or no bus + * activity. + */ au_writel(au_readl(SYS_POWERCTRL) | (0x3 << 5), SYS_POWERCTRL); break; } diff --git a/arch/mips/au1000/pb1000/init.c b/arch/mips/au1000/pb1000/init.c index 549447df71d6..3837365d613d 100644 --- a/arch/mips/au1000/pb1000/init.c +++ b/arch/mips/au1000/pb1000/init.c @@ -1,10 +1,9 @@ /* * BRIEF MODULE DESCRIPTION - * PB1000 board setup + * Pb1000 board setup * - * Copyright 2001 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2001, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -44,16 +43,15 @@ void __init prom_init(void) unsigned char *memsize_str; unsigned long memsize; - prom_argc = (int) fw_arg0; - prom_argv = (char **) fw_arg1; - prom_envp = (char **) fw_arg2; + prom_argc = (int)fw_arg0; + prom_argv = (char **)fw_arg1; + prom_envp = (char **)fw_arg2; prom_init_cmdline(); memsize_str = prom_getenv("memsize"); - if (!memsize_str) { + if (!memsize_str) memsize = 0x04000000; - } else { - memsize = simple_strtol(memsize_str, NULL, 0); - } + else + memsize = strict_strtol(memsize_str, 0, NULL); add_memory_region(0, memsize, BOOT_MEM_RAM); } diff --git a/arch/mips/au1000/pb1100/Makefile b/arch/mips/au1000/pb1100/Makefile index 996236df6375..793e97c49e46 100644 --- a/arch/mips/au1000/pb1100/Makefile +++ b/arch/mips/au1000/pb1100/Makefile @@ -1,8 +1,8 @@ # -# Copyright 2000,2001 MontaVista Software Inc. -# Author: MontaVista Software, Inc. -# ppopov@mvista.com or source@mvista.com +# Copyright 2000, 2001, 2008 MontaVista Software Inc. +# Author: MontaVista Software, Inc. <source@mvista.com> # # Makefile for the Alchemy Semiconductor Pb1100 board. +# lib-y := init.o board_setup.o irqmap.o diff --git a/arch/mips/au1000/pb1100/board_setup.c b/arch/mips/au1000/pb1100/board_setup.c index 656164c8e9ca..c0bfd59a7a36 100644 --- a/arch/mips/au1000/pb1100/board_setup.c +++ b/arch/mips/au1000/pb1100/board_setup.c @@ -1,7 +1,6 @@ /* - * Copyright 2002 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2002, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -32,15 +31,15 @@ void board_reset(void) { - /* Hit BCSR.SYSTEM_CONTROL[SW_RST] */ - au_writel(0x00000000, 0xAE00001C); + /* Hit BCSR.RST_VDDI[SOFT_RESET] */ + au_writel(0x00000000, PB1100_RST_VDDI); } void __init board_setup(void) { - volatile void __iomem * base = (volatile void __iomem *) 0xac000000UL; + volatile void __iomem *base = (volatile void __iomem *)0xac000000UL; - // set AUX clock to 12MHz * 8 = 96 MHz + /* Set AUX clock to 12 MHz * 8 = 96 MHz */ au_writel(8, SYS_AUXPLL); au_writel(0, SYS_PININPUTEN); udelay(100); @@ -49,44 +48,47 @@ void __init board_setup(void) { u32 pin_func, sys_freqctrl, sys_clksrc; - // configure pins GPIO[14:9] as GPIO - pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x80); + /* Configure pins GPIO[14:9] as GPIO */ + pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_UR3; - /* zero and disable FREQ2 */ + /* Zero and disable FREQ2 */ sys_freqctrl = au_readl(SYS_FREQCTRL0); sys_freqctrl &= ~0xFFF00000; au_writel(sys_freqctrl, SYS_FREQCTRL0); - /* zero and disable USBH/USBD/IrDA clock */ + /* Zero and disable USBH/USBD/IrDA clock */ sys_clksrc = au_readl(SYS_CLKSRC); - sys_clksrc &= ~0x0000001F; + sys_clksrc &= ~(SYS_CS_CIR | SYS_CS_DIR | SYS_CS_MIR_MASK); au_writel(sys_clksrc, SYS_CLKSRC); sys_freqctrl = au_readl(SYS_FREQCTRL0); sys_freqctrl &= ~0xFFF00000; sys_clksrc = au_readl(SYS_CLKSRC); - sys_clksrc &= ~0x0000001F; + sys_clksrc &= ~(SYS_CS_CIR | SYS_CS_DIR | SYS_CS_MIR_MASK); - // FREQ2 = aux/2 = 48 MHz - sys_freqctrl |= ((0<<22) | (1<<21) | (1<<20)); + /* FREQ2 = aux / 2 = 48 MHz */ + sys_freqctrl |= (0 << SYS_FC_FRDIV2_BIT) | + SYS_FC_FE2 | SYS_FC_FS2; au_writel(sys_freqctrl, SYS_FREQCTRL0); /* - * Route 48MHz FREQ2 into USBH/USBD/IrDA + * Route 48 MHz FREQ2 into USBH/USBD/IrDA */ - sys_clksrc |= ((4<<2) | (0<<1) | 0 ); + sys_clksrc |= SYS_CS_MUX_FQ2 << SYS_CS_MIR_BIT; au_writel(sys_clksrc, SYS_CLKSRC); - /* setup the static bus controller */ + /* Setup the static bus controller */ au_writel(0x00000002, MEM_STCFG3); /* type = PCMCIA */ au_writel(0x280E3D07, MEM_STTIME3); /* 250ns cycle time */ au_writel(0x10000000, MEM_STADDR3); /* any PCMCIA select */ - // get USB Functionality pin state (device vs host drive pins) - pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x8000); - // 2nd USB port is USB host - pin_func |= 0x8000; + /* + * Get USB Functionality pin state (device vs host drive pins). + */ + pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_USB; + /* 2nd USB port is USB host. */ + pin_func |= SYS_PF_USB; au_writel(pin_func, SYS_PINFUNC); } #endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */ @@ -94,12 +96,12 @@ void __init board_setup(void) /* Enable sys bus clock divider when IDLE state or no bus activity. */ au_writel(au_readl(SYS_POWERCTRL) | (0x3 << 5), SYS_POWERCTRL); - // Enable the RTC if not already enabled + /* Enable the RTC if not already enabled. */ if (!(readb(base + 0x28) & 0x20)) { writeb(readb(base + 0x28) | 0x20, base + 0x28); au_sync(); } - // Put the clock in BCD mode + /* Put the clock in BCD mode. */ if (readb(base + 0x2C) & 0x4) { /* reg B */ writeb(readb(base + 0x2c) & ~0x4, base + 0x2c); au_sync(); diff --git a/arch/mips/au1000/pb1100/init.c b/arch/mips/au1000/pb1100/init.c index c91344648ed3..8355483f3de2 100644 --- a/arch/mips/au1000/pb1100/init.c +++ b/arch/mips/au1000/pb1100/init.c @@ -3,9 +3,8 @@ * BRIEF MODULE DESCRIPTION * Pb1100 board setup * - * Copyright 2002 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2002, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -46,8 +45,8 @@ void __init prom_init(void) unsigned long memsize; prom_argc = fw_arg0; - prom_argv = (char **) fw_arg1; - prom_envp = (char **) fw_arg3; + prom_argv = (char **)fw_arg1; + prom_envp = (char **)fw_arg3; prom_init_cmdline(); @@ -55,7 +54,7 @@ void __init prom_init(void) if (!memsize_str) memsize = 0x04000000; else - memsize = simple_strtol(memsize_str, NULL, 0); + memsize = strict_strtol(memsize_str, 0, NULL); add_memory_region(0, memsize, BOOT_MEM_RAM); } diff --git a/arch/mips/au1000/pb1100/irqmap.c b/arch/mips/au1000/pb1100/irqmap.c index b5021e3d477f..9b7dd8b41283 100644 --- a/arch/mips/au1000/pb1100/irqmap.c +++ b/arch/mips/au1000/pb1100/irqmap.c @@ -1,6 +1,6 @@ /* * BRIEF MODULE DESCRIPTION - * Au1xxx irq map table + * Au1xx0 IRQ map table * * Copyright 2003 Embedded Edge, LLC * dan@embeddededge.com @@ -31,10 +31,10 @@ #include <asm/mach-au1x00/au1000.h> struct au1xxx_irqmap __initdata au1xxx_irq_map[] = { - { AU1000_GPIO_9, INTC_INT_LOW_LEVEL, 0 }, // PCMCIA Card Fully_Interted# - { AU1000_GPIO_10, INTC_INT_LOW_LEVEL, 0 }, // PCMCIA Card STSCHG# - { AU1000_GPIO_11, INTC_INT_LOW_LEVEL, 0 }, // PCMCIA Card IRQ# - { AU1000_GPIO_13, INTC_INT_LOW_LEVEL, 0 }, // DC_IRQ# + { AU1000_GPIO_9, INTC_INT_LOW_LEVEL, 0 }, /* PCMCIA Card Fully_Inserted# */ + { AU1000_GPIO_10, INTC_INT_LOW_LEVEL, 0 }, /* PCMCIA Card STSCHG# */ + { AU1000_GPIO_11, INTC_INT_LOW_LEVEL, 0 }, /* PCMCIA Card IRQ# */ + { AU1000_GPIO_13, INTC_INT_LOW_LEVEL, 0 }, /* DC_IRQ# */ }; int __initdata au1xxx_nr_irqs = ARRAY_SIZE(au1xxx_irq_map); diff --git a/arch/mips/au1000/pb1200/Makefile b/arch/mips/au1000/pb1200/Makefile index 4fe02ea65a60..d678adf7ce85 100644 --- a/arch/mips/au1000/pb1200/Makefile +++ b/arch/mips/au1000/pb1200/Makefile @@ -1,5 +1,5 @@ # -# Makefile for the Alchemy Semiconductor PB1200 board. +# Makefile for the Alchemy Semiconductor Pb1200/DBAu1200 boards. # lib-y := init.o board_setup.o irqmap.o diff --git a/arch/mips/au1000/pb1200/board_setup.c b/arch/mips/au1000/pb1200/board_setup.c index 4493a792cc4c..6cb2115059ad 100644 --- a/arch/mips/au1000/pb1200/board_setup.c +++ b/arch/mips/au1000/pb1200/board_setup.c @@ -27,16 +27,8 @@ #include <linux/init.h> #include <linux/sched.h> -#include <au1000.h> #include <prom.h> - -#ifdef CONFIG_MIPS_PB1200 -#include <asm/mach-pb1x00/pb1200.h> -#endif - -#ifdef CONFIG_MIPS_DB1200 -#include <asm/mach-db1x00/db1200.h> -#endif +#include <au1xxx.h> extern void _board_init_irq(void); extern void (*board_init_irq)(void); @@ -53,56 +45,57 @@ void __init board_setup(void) #if 0 { - u32 pin_func; - - /* Enable PSC1 SYNC for AC97. Normaly done in audio driver, - * but it is board specific code, so put it here. - */ - pin_func = au_readl(SYS_PINFUNC); - au_sync(); - pin_func |= SYS_PF_MUST_BE_SET | SYS_PF_PSC1_S1; - au_writel(pin_func, SYS_PINFUNC); - - au_writel(0, (u32)bcsr|0x10); /* turn off pcmcia power */ - au_sync(); + u32 pin_func; + + /* + * Enable PSC1 SYNC for AC97. Normaly done in audio driver, + * but it is board specific code, so put it here. + */ + pin_func = au_readl(SYS_PINFUNC); + au_sync(); + pin_func |= SYS_PF_MUST_BE_SET | SYS_PF_PSC1_S1; + au_writel(pin_func, SYS_PINFUNC); + + au_writel(0, (u32)bcsr | 0x10); /* turn off PCMCIA power */ + au_sync(); } #endif #if defined(CONFIG_I2C_AU1550) { - u32 freq0, clksrc; - u32 pin_func; - - /* Select SMBUS in CPLD */ - bcsr->resets &= ~(BCSR_RESETS_PCS0MUX); - - pin_func = au_readl(SYS_PINFUNC); - au_sync(); - pin_func &= ~(3<<17 | 1<<4); - /* Set GPIOs correctly */ - pin_func |= 2<<17; - au_writel(pin_func, SYS_PINFUNC); - au_sync(); - - /* The i2c driver depends on 50Mhz clock */ - freq0 = au_readl(SYS_FREQCTRL0); - au_sync(); - freq0 &= ~(SYS_FC_FRDIV1_MASK | SYS_FC_FS1 | SYS_FC_FE1); - freq0 |= (3<<SYS_FC_FRDIV1_BIT); - /* 396Mhz / (3+1)*2 == 49.5Mhz */ - au_writel(freq0, SYS_FREQCTRL0); - au_sync(); - freq0 |= SYS_FC_FE1; - au_writel(freq0, SYS_FREQCTRL0); - au_sync(); - - clksrc = au_readl(SYS_CLKSRC); - au_sync(); - clksrc &= ~0x01f00000; - /* bit 22 is EXTCLK0 for PSC0 */ - clksrc |= (0x3 << 22); - au_writel(clksrc, SYS_CLKSRC); - au_sync(); + u32 freq0, clksrc; + u32 pin_func; + + /* Select SMBus in CPLD */ + bcsr->resets &= ~BCSR_RESETS_PCS0MUX; + + pin_func = au_readl(SYS_PINFUNC); + au_sync(); + pin_func &= ~(SYS_PINFUNC_P0A | SYS_PINFUNC_P0B); + /* Set GPIOs correctly */ + pin_func |= 2 << 17; + au_writel(pin_func, SYS_PINFUNC); + au_sync(); + + /* The I2C driver depends on 50 MHz clock */ + freq0 = au_readl(SYS_FREQCTRL0); + au_sync(); + freq0 &= ~(SYS_FC_FRDIV1_MASK | SYS_FC_FS1 | SYS_FC_FE1); + freq0 |= 3 << SYS_FC_FRDIV1_BIT; + /* 396 MHz / (3 + 1) * 2 == 49.5 MHz */ + au_writel(freq0, SYS_FREQCTRL0); + au_sync(); + freq0 |= SYS_FC_FE1; + au_writel(freq0, SYS_FREQCTRL0); + au_sync(); + + clksrc = au_readl(SYS_CLKSRC); + au_sync(); + clksrc &= ~(SYS_CS_CE0 | SYS_CS_DE0 | SYS_CS_ME0_MASK); + /* Bit 22 is EXTCLK0 for PSC0 */ + clksrc |= SYS_CS_MUX_FQ1 << SYS_CS_ME0_BIT; + au_writel(clksrc, SYS_CLKSRC); + au_sync(); } #endif @@ -116,27 +109,27 @@ void __init board_setup(void) #endif #endif - /* The Pb1200 development board uses external MUX for PSC0 to - support SMB/SPI. bcsr->resets bit 12: 0=SMB 1=SPI - */ + /* + * The Pb1200 development board uses external MUX for PSC0 to + * support SMB/SPI. bcsr->resets bit 12: 0=SMB 1=SPI + */ #ifdef CONFIG_I2C_AU1550 - bcsr->resets &= (~BCSR_RESETS_PCS0MUX); + bcsr->resets &= ~BCSR_RESETS_PCS0MUX; #endif au_sync(); #ifdef CONFIG_MIPS_PB1200 - printk("AMD Alchemy Pb1200 Board\n"); + printk(KERN_INFO "AMD Alchemy Pb1200 Board\n"); #endif #ifdef CONFIG_MIPS_DB1200 - printk("AMD Alchemy Db1200 Board\n"); + printk(KERN_INFO "AMD Alchemy Db1200 Board\n"); #endif /* Setup Pb1200 External Interrupt Controller */ board_init_irq = _board_init_irq; } -int -board_au1200fb_panel(void) +int board_au1200fb_panel(void) { BCSR *bcsr = (BCSR *)BCSR_KSEG1_ADDR; int p; @@ -147,23 +140,23 @@ board_au1200fb_panel(void) return p; } -int -board_au1200fb_panel_init(void) +int board_au1200fb_panel_init(void) { /* Apply power */ - BCSR *bcsr = (BCSR *)BCSR_KSEG1_ADDR; - bcsr->board |= (BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD | BCSR_BOARD_LCDBL); - /*printk("board_au1200fb_panel_init()\n"); */ + BCSR *bcsr = (BCSR *)BCSR_KSEG1_ADDR; + + bcsr->board |= BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD | BCSR_BOARD_LCDBL; + /* printk(KERN_DEBUG "board_au1200fb_panel_init()\n"); */ return 0; } -int -board_au1200fb_panel_shutdown(void) +int board_au1200fb_panel_shutdown(void) { /* Remove power */ - BCSR *bcsr = (BCSR *)BCSR_KSEG1_ADDR; - bcsr->board &= ~(BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD | BCSR_BOARD_LCDBL); - /*printk("board_au1200fb_panel_shutdown()\n"); */ + BCSR *bcsr = (BCSR *)BCSR_KSEG1_ADDR; + + bcsr->board &= ~(BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD | + BCSR_BOARD_LCDBL); + /* printk(KERN_DEBUG "board_au1200fb_panel_shutdown()\n"); */ return 0; } - diff --git a/arch/mips/au1000/pb1200/init.c b/arch/mips/au1000/pb1200/init.c index 72af5500660b..09fd63b86062 100644 --- a/arch/mips/au1000/pb1200/init.c +++ b/arch/mips/au1000/pb1200/init.c @@ -3,9 +3,8 @@ * BRIEF MODULE DESCRIPTION * PB1200 board setup * - * Copyright 2001 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2001, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -45,16 +44,15 @@ void __init prom_init(void) unsigned char *memsize_str; unsigned long memsize; - prom_argc = (int) fw_arg0; - prom_argv = (char **) fw_arg1; - prom_envp = (char **) fw_arg2; + prom_argc = (int)fw_arg0; + prom_argv = (char **)fw_arg1; + prom_envp = (char **)fw_arg2; prom_init_cmdline(); memsize_str = prom_getenv("memsize"); - if (!memsize_str) { + if (!memsize_str) memsize = 0x08000000; - } else { - memsize = simple_strtol(memsize_str, NULL, 0); - } + else + memsize = strict_strtol(memsize_str, 0, NULL); add_memory_region(0, memsize, BOOT_MEM_RAM); } diff --git a/arch/mips/au1000/pb1200/irqmap.c b/arch/mips/au1000/pb1200/irqmap.c index e61eb8e0b76b..2a505ad8715b 100644 --- a/arch/mips/au1000/pb1200/irqmap.c +++ b/arch/mips/au1000/pb1200/irqmap.c @@ -39,25 +39,25 @@ #endif struct au1xxx_irqmap __initdata au1xxx_irq_map[] = { - { AU1000_GPIO_7, INTC_INT_LOW_LEVEL, 0 }, // This is exteranl interrupt cascade + /* This is external interrupt cascade */ + { AU1000_GPIO_7, INTC_INT_LOW_LEVEL, 0 }, }; int __initdata au1xxx_nr_irqs = ARRAY_SIZE(au1xxx_irq_map); /* - * Support for External interrupts on the PbAu1200 Development platform. + * Support for External interrupts on the Pb1200 Development platform. */ -static volatile int pb1200_cascade_en=0; +static volatile int pb1200_cascade_en; -irqreturn_t pb1200_cascade_handler( int irq, void *dev_id) +irqreturn_t pb1200_cascade_handler(int irq, void *dev_id) { unsigned short bisr = bcsr->int_status; int extirq_nr = 0; - /* Clear all the edge interrupts. This has no effect on level */ + /* Clear all the edge interrupts. This has no effect on level. */ bcsr->int_status = bisr; - for( ; bisr; bisr &= (bisr-1) ) - { + for ( ; bisr; bisr &= bisr - 1) { extirq_nr = PB1200_INT_BEGIN + __ffs(bisr); /* Ack and dispatch IRQ */ do_IRQ(extirq_nr); @@ -68,26 +68,20 @@ irqreturn_t pb1200_cascade_handler( int irq, void *dev_id) inline void pb1200_enable_irq(unsigned int irq_nr) { - bcsr->intset_mask = 1<<(irq_nr - PB1200_INT_BEGIN); - bcsr->intset = 1<<(irq_nr - PB1200_INT_BEGIN); + bcsr->intset_mask = 1 << (irq_nr - PB1200_INT_BEGIN); + bcsr->intset = 1 << (irq_nr - PB1200_INT_BEGIN); } inline void pb1200_disable_irq(unsigned int irq_nr) { - bcsr->intclr_mask = 1<<(irq_nr - PB1200_INT_BEGIN); - bcsr->intclr = 1<<(irq_nr - PB1200_INT_BEGIN); + bcsr->intclr_mask = 1 << (irq_nr - PB1200_INT_BEGIN); + bcsr->intclr = 1 << (irq_nr - PB1200_INT_BEGIN); } static unsigned int pb1200_setup_cascade(void) { - int err; - - err = request_irq(AU1000_GPIO_7, &pb1200_cascade_handler, - 0, "Pb1200 Cascade", &pb1200_cascade_handler); - if (err) - return err; - - return 0; + return request_irq(AU1000_GPIO_7, &pb1200_cascade_handler, + 0, "Pb1200 Cascade", &pb1200_cascade_handler); } static unsigned int pb1200_startup_irq(unsigned int irq) @@ -132,23 +126,23 @@ void _board_init_irq(void) unsigned int irq; #ifdef CONFIG_MIPS_PB1200 - /* We have a problem with CPLD rev3. Enable a workaround */ + /* We have a problem with CPLD rev 3. */ if (((bcsr->whoami & BCSR_WHOAMI_CPLD) >> 4) <= 3) { - printk("\nWARNING!!!\n"); - printk("\nWARNING!!!\n"); - printk("\nWARNING!!!\n"); - printk("\nWARNING!!!\n"); - printk("\nWARNING!!!\n"); - printk("\nWARNING!!!\n"); - printk("Pb1200 must be at CPLD rev4. Please have Pb1200\n"); - printk("updated to latest revision. This software will not\n"); - printk("work on anything less than CPLD rev4\n"); - printk("\nWARNING!!!\n"); - printk("\nWARNING!!!\n"); - printk("\nWARNING!!!\n"); - printk("\nWARNING!!!\n"); - printk("\nWARNING!!!\n"); - printk("\nWARNING!!!\n"); + printk(KERN_ERR "WARNING!!!\n"); + printk(KERN_ERR "WARNING!!!\n"); + printk(KERN_ERR "WARNING!!!\n"); + printk(KERN_ERR "WARNING!!!\n"); + printk(KERN_ERR "WARNING!!!\n"); + printk(KERN_ERR "WARNING!!!\n"); + printk(KERN_ERR "Pb1200 must be at CPLD rev 4. Please have Pb1200\n"); + printk(KERN_ERR "updated to latest revision. This software will\n"); + printk(KERN_ERR "not work on anything less than CPLD rev 4.\n"); + printk(KERN_ERR "WARNING!!!\n"); + printk(KERN_ERR "WARNING!!!\n"); + printk(KERN_ERR "WARNING!!!\n"); + printk(KERN_ERR "WARNING!!!\n"); + printk(KERN_ERR "WARNING!!!\n"); + printk(KERN_ERR "WARNING!!!\n"); panic("Game over. Your score is 0."); } #endif @@ -161,6 +155,6 @@ void _board_init_irq(void) /* * GPIO_7 can not be hooked here, so it is hooked upon first - * request of any source attached to the cascade + * request of any source attached to the cascade. */ } diff --git a/arch/mips/au1000/pb1500/Makefile b/arch/mips/au1000/pb1500/Makefile index 97a730813cd3..602f38df20bb 100644 --- a/arch/mips/au1000/pb1500/Makefile +++ b/arch/mips/au1000/pb1500/Makefile @@ -1,8 +1,8 @@ # -# Copyright 2000,2001 MontaVista Software Inc. -# Author: MontaVista Software, Inc. -# ppopov@mvista.com or source@mvista.com +# Copyright 2000, 2001, 2008 MontaVista Software Inc. +# Author: MontaVista Software, Inc. <source@mvista.com> # # Makefile for the Alchemy Semiconductor Pb1500 board. +# lib-y := init.o board_setup.o irqmap.o diff --git a/arch/mips/au1000/pb1500/board_setup.c b/arch/mips/au1000/pb1500/board_setup.c index 24c652e8ec4b..035771c6e5b8 100644 --- a/arch/mips/au1000/pb1500/board_setup.c +++ b/arch/mips/au1000/pb1500/board_setup.c @@ -1,7 +1,6 @@ /* - * Copyright 2000 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2000, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -32,8 +31,8 @@ void board_reset(void) { - /* Hit BCSR.SYSTEM_CONTROL[SW_RST] */ - au_writel(0x00000000, 0xAE00001C); + /* Hit BCSR.RST_VDDI[SOFT_RESET] */ + au_writel(0x00000000, PB1500_RST_VDDI); } void __init board_setup(void) @@ -42,7 +41,7 @@ void __init board_setup(void) u32 sys_freqctrl, sys_clksrc; sys_clksrc = sys_freqctrl = pin_func = 0; - // set AUX clock to 12MHz * 8 = 96 MHz + /* Set AUX clock to 12 MHz * 8 = 96 MHz */ au_writel(8, SYS_AUXPLL); au_writel(0, SYS_PINSTATERD); udelay(100); @@ -51,51 +50,48 @@ void __init board_setup(void) /* GPIO201 is input for PCMCIA card detect */ /* GPIO203 is input for PCMCIA interrupt request */ - au_writel(au_readl(GPIO2_DIR) & (u32)(~((1<<1)|(1<<3))), GPIO2_DIR); + au_writel(au_readl(GPIO2_DIR) & ~((1 << 1) | (1 << 3)), GPIO2_DIR); - /* zero and disable FREQ2 */ + /* Zero and disable FREQ2 */ sys_freqctrl = au_readl(SYS_FREQCTRL0); sys_freqctrl &= ~0xFFF00000; au_writel(sys_freqctrl, SYS_FREQCTRL0); /* zero and disable USBH/USBD clocks */ sys_clksrc = au_readl(SYS_CLKSRC); - sys_clksrc &= ~0x00007FE0; + sys_clksrc &= ~(SYS_CS_CUD | SYS_CS_DUD | SYS_CS_MUD_MASK | + SYS_CS_CUH | SYS_CS_DUH | SYS_CS_MUH_MASK); au_writel(sys_clksrc, SYS_CLKSRC); sys_freqctrl = au_readl(SYS_FREQCTRL0); sys_freqctrl &= ~0xFFF00000; sys_clksrc = au_readl(SYS_CLKSRC); - sys_clksrc &= ~0x00007FE0; + sys_clksrc &= ~(SYS_CS_CUD | SYS_CS_DUD | SYS_CS_MUD_MASK | + SYS_CS_CUH | SYS_CS_DUH | SYS_CS_MUH_MASK); - // FREQ2 = aux/2 = 48 MHz - sys_freqctrl |= ((0<<22) | (1<<21) | (1<<20)); + /* FREQ2 = aux/2 = 48 MHz */ + sys_freqctrl |= (0 << SYS_FC_FRDIV2_BIT) | SYS_FC_FE2 | SYS_FC_FS2; au_writel(sys_freqctrl, SYS_FREQCTRL0); /* * Route 48MHz FREQ2 into USB Host and/or Device */ -#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) - sys_clksrc |= ((4<<12) | (0<<11) | (0<<10)); -#endif + sys_clksrc |= SYS_CS_MUX_FQ2 << SYS_CS_MUH_BIT; au_writel(sys_clksrc, SYS_CLKSRC); - - pin_func = au_readl(SYS_PINFUNC) & (u32)(~0x8000); - // 2nd USB port is USB host - pin_func |= 0x8000; + pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_USB; + /* 2nd USB port is USB host */ + pin_func |= SYS_PF_USB; au_writel(pin_func, SYS_PINFUNC); #endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */ - - #ifdef CONFIG_PCI - // Setup PCI bus controller + /* Setup PCI bus controller */ au_writel(0, Au1500_PCI_CMEM); au_writel(0x00003fff, Au1500_CFG_BASE); #if defined(__MIPSEB__) - au_writel(0xf | (2<<6) | (1<<4), Au1500_PCI_CFG); + au_writel(0xf | (2 << 6) | (1 << 4), Au1500_PCI_CFG); #else au_writel(0xf, Au1500_PCI_CFG); #endif @@ -112,11 +108,11 @@ void __init board_setup(void) /* Enable the RTC if not already enabled */ if (!(au_readl(0xac000028) & 0x20)) { - printk("enabling clock ...\n"); + printk(KERN_INFO "enabling clock ...\n"); au_writel((au_readl(0xac000028) | 0x20), 0xac000028); } /* Put the clock in BCD mode */ - if (au_readl(0xac00002C) & 0x4) { /* reg B */ + if (au_readl(0xac00002c) & 0x4) { /* reg B */ au_writel(au_readl(0xac00002c) & ~0x4, 0xac00002c); au_sync(); } diff --git a/arch/mips/au1000/pb1500/init.c b/arch/mips/au1000/pb1500/init.c index 488507c07db9..49f51e165863 100644 --- a/arch/mips/au1000/pb1500/init.c +++ b/arch/mips/au1000/pb1500/init.c @@ -1,11 +1,10 @@ /* * * BRIEF MODULE DESCRIPTION - * PB1500 board setup + * Pb1500 board setup * - * Copyright 2001 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2001, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -45,16 +44,15 @@ void __init prom_init(void) unsigned char *memsize_str; unsigned long memsize; - prom_argc = (int) fw_arg0; - prom_argv = (char **) fw_arg1; - prom_envp = (char **) fw_arg2; + prom_argc = (int)fw_arg0; + prom_argv = (char **)fw_arg1; + prom_envp = (char **)fw_arg2; prom_init_cmdline(); memsize_str = prom_getenv("memsize"); - if (!memsize_str) { + if (!memsize_str) memsize = 0x04000000; - } else { - memsize = simple_strtol(memsize_str, NULL, 0); - } + else + memsize = strict_strtol(memsize_str, 0, NULL); add_memory_region(0, memsize, BOOT_MEM_RAM); } diff --git a/arch/mips/au1000/pb1500/irqmap.c b/arch/mips/au1000/pb1500/irqmap.c index 4817ab44d07f..39c4682766a8 100644 --- a/arch/mips/au1000/pb1500/irqmap.c +++ b/arch/mips/au1000/pb1500/irqmap.c @@ -31,12 +31,12 @@ #include <asm/mach-au1x00/au1000.h> char irq_tab_alchemy[][5] __initdata = { - [12] = { -1, INTA, INTX, INTX, INTX}, /* IDSEL 12 - HPT370 */ - [13] = { -1, INTA, INTB, INTC, INTD}, /* IDSEL 13 - PCI slot */ + [12] = { -1, INTA, INTX, INTX, INTX }, /* IDSEL 12 - HPT370 */ + [13] = { -1, INTA, INTB, INTC, INTD }, /* IDSEL 13 - PCI slot */ }; struct au1xxx_irqmap __initdata au1xxx_irq_map[] = { - { AU1500_GPIO_204, INTC_INT_HIGH_LEVEL, 0}, + { AU1500_GPIO_204, INTC_INT_HIGH_LEVEL, 0 }, { AU1500_GPIO_201, INTC_INT_LOW_LEVEL, 0 }, { AU1500_GPIO_202, INTC_INT_LOW_LEVEL, 0 }, { AU1500_GPIO_203, INTC_INT_LOW_LEVEL, 0 }, diff --git a/arch/mips/au1000/pb1550/Makefile b/arch/mips/au1000/pb1550/Makefile index aa35bc6cb8cf..7d8beca87fa5 100644 --- a/arch/mips/au1000/pb1550/Makefile +++ b/arch/mips/au1000/pb1550/Makefile @@ -1,9 +1,8 @@ # -# Copyright 2000 MontaVista Software Inc. -# Author: MontaVista Software, Inc. -# ppopov@mvista.com or source@mvista.com +# Copyright 2000, 2008 MontaVista Software Inc. +# Author: MontaVista Software, Inc. <source@mvista.com> # -# Makefile for the Alchemy Semiconductor PB1000 board. +# Makefile for the Alchemy Semiconductor Pb1550 board. # lib-y := init.o board_setup.o irqmap.o diff --git a/arch/mips/au1000/pb1550/board_setup.c b/arch/mips/au1000/pb1550/board_setup.c index 45d60872b565..0ed76b64b6ab 100644 --- a/arch/mips/au1000/pb1550/board_setup.c +++ b/arch/mips/au1000/pb1550/board_setup.c @@ -3,9 +3,8 @@ * BRIEF MODULE DESCRIPTION * Alchemy Pb1550 board setup. * - * Copyright 2000 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2000, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -35,15 +34,16 @@ void board_reset(void) { - /* Hit BCSR.SYSTEM_CONTROL[SW_RST] */ - au_writew(au_readw(0xAF00001C) & ~(1<<15), 0xAF00001C); + /* Hit BCSR.SYSTEM[RESET] */ + au_writew(au_readw(0xAF00001C) & ~BCSR_SYSTEM_RESET, 0xAF00001C); } void __init board_setup(void) { u32 pin_func; - /* Enable PSC1 SYNC for AC97. Normaly done in audio driver, + /* + * Enable PSC1 SYNC for AC'97. Normaly done in audio driver, * but it is board specific code, so put it here. */ pin_func = au_readl(SYS_PINFUNC); @@ -51,8 +51,8 @@ void __init board_setup(void) pin_func |= SYS_PF_MUST_BE_SET | SYS_PF_PSC1_S1; au_writel(pin_func, SYS_PINFUNC); - au_writel(0, (u32)bcsr|0x10); /* turn off pcmcia power */ + au_writel(0, (u32)bcsr | 0x10); /* turn off PCMCIA power */ au_sync(); - printk("AMD Alchemy Pb1550 Board\n"); + printk(KERN_INFO "AMD Alchemy Pb1550 Board\n"); } diff --git a/arch/mips/au1000/pb1550/init.c b/arch/mips/au1000/pb1550/init.c index f6b2fc587980..1b5f58434bb7 100644 --- a/arch/mips/au1000/pb1550/init.c +++ b/arch/mips/au1000/pb1550/init.c @@ -1,11 +1,10 @@ /* * * BRIEF MODULE DESCRIPTION - * PB1550 board setup + * Pb1550 board setup * - * Copyright 2001 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2001, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -45,16 +44,15 @@ void __init prom_init(void) unsigned char *memsize_str; unsigned long memsize; - prom_argc = (int) fw_arg0; - prom_argv = (char **) fw_arg1; - prom_envp = (char **) fw_arg2; + prom_argc = (int)fw_arg0; + prom_argv = (char **)fw_arg1; + prom_envp = (char **)fw_arg2; prom_init_cmdline(); memsize_str = prom_getenv("memsize"); - if (!memsize_str) { + if (!memsize_str) memsize = 0x08000000; - } else { - memsize = simple_strtol(memsize_str, NULL, 0); - } + else + memsize = strict_strtol(memsize_str, 0, NULL); add_memory_region(0, memsize, BOOT_MEM_RAM); } diff --git a/arch/mips/au1000/pb1550/irqmap.c b/arch/mips/au1000/pb1550/irqmap.c index e1dac37af08a..a02a4d1fa899 100644 --- a/arch/mips/au1000/pb1550/irqmap.c +++ b/arch/mips/au1000/pb1550/irqmap.c @@ -1,6 +1,6 @@ /* * BRIEF MODULE DESCRIPTION - * Au1xxx irq map table + * Au1xx0 IRQ map table * * Copyright 2003 Embedded Edge, LLC * dan@embeddededge.com @@ -31,8 +31,8 @@ #include <asm/mach-au1x00/au1000.h> char irq_tab_alchemy[][5] __initdata = { - [12] = { -1, INTB, INTC, INTD, INTA}, /* IDSEL 12 - PCI slot 2 (left) */ - [13] = { -1, INTA, INTB, INTC, INTD}, /* IDSEL 13 - PCI slot 1 (right) */ + [12] = { -1, INTB, INTC, INTD, INTA }, /* IDSEL 12 - PCI slot 2 (left) */ + [13] = { -1, INTA, INTB, INTC, INTD }, /* IDSEL 13 - PCI slot 1 (right) */ }; struct au1xxx_irqmap __initdata au1xxx_irq_map[] = { diff --git a/arch/mips/au1000/xxs1500/Makefile b/arch/mips/au1000/xxs1500/Makefile index 44d7f7056ae7..db3c526f64d8 100644 --- a/arch/mips/au1000/xxs1500/Makefile +++ b/arch/mips/au1000/xxs1500/Makefile @@ -1,7 +1,6 @@ # # Copyright 2003 MontaVista Software Inc. -# Author: MontaVista Software, Inc. -# ppopov@mvista.com or source@mvista.com +# Author: MontaVista Software, Inc. <source@mvista.com> # # Makefile for MyCable XXS1500 board. # diff --git a/arch/mips/au1000/xxs1500/board_setup.c b/arch/mips/au1000/xxs1500/board_setup.c index 79d1798621bf..4c587acac5c3 100644 --- a/arch/mips/au1000/xxs1500/board_setup.c +++ b/arch/mips/au1000/xxs1500/board_setup.c @@ -1,7 +1,6 @@ /* - * Copyright 2000-2003 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2000-2003, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -39,40 +38,40 @@ void __init board_setup(void) { u32 pin_func; - // set multiple use pins (UART3/GPIO) to UART (it's used as UART too) - pin_func = au_readl(SYS_PINFUNC) & (u32)(~SYS_PF_UR3); + /* Set multiple use pins (UART3/GPIO) to UART (it's used as UART too) */ + pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_UR3; pin_func |= SYS_PF_UR3; au_writel(pin_func, SYS_PINFUNC); - // enable UART - au_writel(0x01, UART3_ADDR+UART_MOD_CNTRL); // clock enable (CE) + /* Enable UART */ + au_writel(0x01, UART3_ADDR + UART_MOD_CNTRL); /* clock enable (CE) */ mdelay(10); - au_writel(0x03, UART3_ADDR+UART_MOD_CNTRL); // CE and "enable" + au_writel(0x03, UART3_ADDR + UART_MOD_CNTRL); /* CE and "enable" */ mdelay(10); - // enable DTR = USB power up - au_writel(0x01, UART3_ADDR+UART_MCR); //? UART_MCR_DTR is 0x01??? + /* Enable DTR = USB power up */ + au_writel(0x01, UART3_ADDR + UART_MCR); /* UART_MCR_DTR is 0x01??? */ #ifdef CONFIG_PCMCIA_XXS1500 - /* setup pcmcia signals */ + /* Setup PCMCIA signals */ au_writel(0, SYS_PININPUTEN); - /* gpio 0, 1, and 4 are inputs */ - au_writel(1 | (1<<1) | (1<<4), SYS_TRIOUTCLR); + /* GPIO 0, 1, and 4 are inputs */ + au_writel(1 | (1 << 1) | (1 << 4), SYS_TRIOUTCLR); - /* enable GPIO2 if not already enabled */ + /* Enable GPIO2 if not already enabled */ au_writel(1, GPIO2_ENABLE); - /* gpio2 208/9/10/11 are inputs */ - au_writel((1<<8) | (1<<9) | (1<<10) | (1<<11), GPIO2_DIR); + /* GPIO2 208/9/10/11 are inputs */ + au_writel((1 << 8) | (1 << 9) | (1 << 10) | (1 << 11), GPIO2_DIR); - /* turn off power */ - au_writel((au_readl(GPIO2_PINSTATE) & ~(1<<14))|(1<<30), GPIO2_OUTPUT); + /* Turn off power */ + au_writel((au_readl(GPIO2_PINSTATE) & ~(1 << 14)) | (1 << 30), + GPIO2_OUTPUT); #endif - #ifdef CONFIG_PCI #if defined(__MIPSEB__) - au_writel(0xf | (2<<6) | (1<<4), Au1500_PCI_CFG); + au_writel(0xf | (2 << 6) | (1 << 4), Au1500_PCI_CFG); #else au_writel(0xf, Au1500_PCI_CFG); #endif diff --git a/arch/mips/au1000/xxs1500/init.c b/arch/mips/au1000/xxs1500/init.c index 24fc6e132dc0..b849bf501c04 100644 --- a/arch/mips/au1000/xxs1500/init.c +++ b/arch/mips/au1000/xxs1500/init.c @@ -2,9 +2,8 @@ * BRIEF MODULE DESCRIPTION * XXS1500 board setup * - * Copyright 2003 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2003, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -45,8 +44,8 @@ void __init prom_init(void) unsigned long memsize; prom_argc = fw_arg0; - prom_argv = (char **) fw_arg1; - prom_envp = (char **) fw_arg2; + prom_argv = (char **)fw_arg1; + prom_envp = (char **)fw_arg2; prom_init_cmdline(); @@ -54,6 +53,6 @@ void __init prom_init(void) if (!memsize_str) memsize = 0x04000000; else - memsize = simple_strtol(memsize_str, NULL, 0); + memsize = strict_strtol(memsize_str, 0, NULL); add_memory_region(0, memsize, BOOT_MEM_RAM); } diff --git a/arch/mips/au1000/xxs1500/irqmap.c b/arch/mips/au1000/xxs1500/irqmap.c index dd6e3d1eb4d4..edf06ed11870 100644 --- a/arch/mips/au1000/xxs1500/irqmap.c +++ b/arch/mips/au1000/xxs1500/irqmap.c @@ -31,7 +31,7 @@ #include <asm/mach-au1x00/au1000.h> struct au1xxx_irqmap __initdata au1xxx_irq_map[] = { - { AU1500_GPIO_204, INTC_INT_HIGH_LEVEL, 0}, + { AU1500_GPIO_204, INTC_INT_HIGH_LEVEL, 0 }, { AU1500_GPIO_201, INTC_INT_LOW_LEVEL, 0 }, { AU1500_GPIO_202, INTC_INT_LOW_LEVEL, 0 }, { AU1500_GPIO_203, INTC_INT_LOW_LEVEL, 0 }, diff --git a/arch/mips/emma2rh/markeins/setup.c b/arch/mips/emma2rh/markeins/setup.c index 82f9e9013e70..62bfb455d1b1 100644 --- a/arch/mips/emma2rh/markeins/setup.c +++ b/arch/mips/emma2rh/markeins/setup.c @@ -76,7 +76,9 @@ static void markeins_machine_power_off(void) while (1) ; } -static unsigned long clock[4] = { 166500000, 187312500, 199800000, 210600000 }; +static unsigned long __initdata emma2rh_clock[4] = { + 166500000, 187312500, 199800000, 210600000 +}; static unsigned int __init detect_bus_frequency(unsigned long rtc_base) { @@ -85,7 +87,8 @@ static unsigned int __init detect_bus_frequency(unsigned long rtc_base) /* detect from boot strap */ reg = emma2rh_in32(EMMA2RH_BHIF_STRAP_0); reg = (reg >> 4) & 0x3; - return clock[reg]; + + return emma2rh_clock[reg]; } void __init plat_time_init(void) diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile index 45545be3eb86..65e46a6d4178 100644 --- a/arch/mips/kernel/Makefile +++ b/arch/mips/kernel/Makefile @@ -30,7 +30,6 @@ obj-$(CONFIG_CPU_LOONGSON2) += r4k_fpu.o r4k_switch.o obj-$(CONFIG_CPU_MIPS32) += r4k_fpu.o r4k_switch.o obj-$(CONFIG_CPU_MIPS64) += r4k_fpu.o r4k_switch.o obj-$(CONFIG_CPU_R3000) += r2300_fpu.o r2300_switch.o -obj-$(CONFIG_CPU_R4000) += r4k_fpu.o r4k_switch.o obj-$(CONFIG_CPU_R4300) += r4k_fpu.o r4k_switch.o obj-$(CONFIG_CPU_R4X00) += r4k_fpu.o r4k_switch.o obj-$(CONFIG_CPU_R5000) += r4k_fpu.o r4k_switch.o @@ -56,9 +55,9 @@ obj-$(CONFIG_MIPS_MT_SMP) += smp-mt.o obj-$(CONFIG_MIPS_CMP) += smp-cmp.o obj-$(CONFIG_CPU_MIPSR2) += spram.o -obj-$(CONFIG_MIPS_APSP_KSPD) += kspd.o obj-$(CONFIG_MIPS_VPE_LOADER) += vpe.o obj-$(CONFIG_MIPS_VPE_APSP_API) += rtlx.o +obj-$(CONFIG_MIPS_APSP_KSPD) += kspd.o obj-$(CONFIG_I8259) += i8259.o obj-$(CONFIG_IRQ_CPU) += irq_cpu.o diff --git a/arch/mips/kernel/cpu-bugs64.c b/arch/mips/kernel/cpu-bugs64.c index a1b48af0992f..02b7713cf71c 100644 --- a/arch/mips/kernel/cpu-bugs64.c +++ b/arch/mips/kernel/cpu-bugs64.c @@ -38,7 +38,7 @@ static inline void align_mod(const int align, const int mod) ".endr\n\t" ".set pop" : - : GCC_IMM_ASM(align), GCC_IMM_ASM(mod)); + : GCC_IMM_ASM() (align), GCC_IMM_ASM() (mod)); } static inline void mult_sh_align_mod(long *v1, long *v2, long *w, diff --git a/arch/mips/kernel/init_task.c b/arch/mips/kernel/init_task.c index aeda7f58391b..d72487ad7c15 100644 --- a/arch/mips/kernel/init_task.c +++ b/arch/mips/kernel/init_task.c @@ -10,7 +10,6 @@ #include <asm/pgtable.h> static struct fs_struct init_fs = INIT_FS; -static struct files_struct init_files = INIT_FILES; static struct signal_struct init_signals = INIT_SIGNALS(init_signals); static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); struct mm_struct init_mm = INIT_MM(init_mm); diff --git a/arch/mips/kernel/irixelf.c b/arch/mips/kernel/irixelf.c index 290d8e3a664d..469c7237e5ba 100644 --- a/arch/mips/kernel/irixelf.c +++ b/arch/mips/kernel/irixelf.c @@ -578,7 +578,7 @@ static inline int map_interpreter(struct elf_phdr *epp, struct elfhdr *ihp, * process and the system, here we map the page and fill the * structure */ -static void irix_map_prda_page(void) +static int irix_map_prda_page(void) { unsigned long v; struct prda *pp; @@ -587,8 +587,8 @@ static void irix_map_prda_page(void) v = do_brk(PRDA_ADDRESS, PAGE_SIZE); up_write(¤t->mm->mmap_sem); - if (v < 0) - return; + if (v != PRDA_ADDRESS) + return v; /* v must be an error code */ pp = (struct prda *) v; pp->prda_sys.t_pid = task_pid_vnr(current); @@ -596,6 +596,8 @@ static void irix_map_prda_page(void) pp->prda_sys.t_rpid = task_pid_vnr(current); /* We leave the rest set to zero */ + + return 0; } @@ -781,7 +783,8 @@ static int load_irix_binary(struct linux_binprm * bprm, struct pt_regs * regs) * IRIX maps a page at 0x200000 which holds some system * information. Programs depend on this. */ - irix_map_prda_page(); + if (irix_map_prda_page()) + goto out_free_dentry; padzero(elf_bss); diff --git a/arch/mips/kernel/kspd.c b/arch/mips/kernel/kspd.c index ceb62dce1c9c..b0591ae0ce56 100644 --- a/arch/mips/kernel/kspd.c +++ b/arch/mips/kernel/kspd.c @@ -257,7 +257,7 @@ void sp_work_handle_request(void) vcwd = vpe_getcwd(tclimit); - /* change to the cwd of the process that loaded the SP program */ + /* change to cwd of the process that loaded the SP program */ old_fs = get_fs(); set_fs(KERNEL_DS); sys_chdir(vcwd); @@ -323,6 +323,9 @@ static void sp_cleanup(void) set >>= 1; } } + + /* Put daemon cwd back to root to avoid umount problems */ + sys_chdir("/"); } static int channel_open = 0; diff --git a/arch/mips/kernel/rtlx.c b/arch/mips/kernel/rtlx.c index 0233798f7155..b88f1c18ff4d 100644 --- a/arch/mips/kernel/rtlx.c +++ b/arch/mips/kernel/rtlx.c @@ -72,6 +72,15 @@ static void rtlx_dispatch(void) static irqreturn_t rtlx_interrupt(int irq, void *dev_id) { int i; + unsigned int flags, vpeflags; + + /* Ought not to be strictly necessary for SMTC builds */ + local_irq_save(flags); + vpeflags = dvpe(); + set_c0_status(0x100 << MIPS_CPU_RTLX_IRQ); + irq_enable_hazard(); + evpe(vpeflags); + local_irq_restore(flags); for (i = 0; i < RTLX_CHANNELS; i++) { wake_up(&channel_wqs[i].lx_queue); @@ -108,7 +117,8 @@ static void __used dump_rtlx(void) static int rtlx_init(struct rtlx_info *rtlxi) { if (rtlxi->id != RTLX_ID) { - printk(KERN_ERR "no valid RTLX id at 0x%p 0x%lx\n", rtlxi, rtlxi->id); + printk(KERN_ERR "no valid RTLX id at 0x%p 0x%lx\n", + rtlxi, rtlxi->id); return -ENOEXEC; } @@ -162,18 +172,17 @@ int rtlx_open(int index, int can_sleep) if (rtlx == NULL) { if( (p = vpe_get_shared(tclimit)) == NULL) { - if (can_sleep) { - __wait_event_interruptible(channel_wqs[index].lx_queue, - (p = vpe_get_shared(tclimit)), - ret); - if (ret) - goto out_fail; - } else { - printk(KERN_DEBUG "No SP program loaded, and device " - "opened with O_NONBLOCK\n"); - ret = -ENOSYS; + if (can_sleep) { + __wait_event_interruptible(channel_wqs[index].lx_queue, + (p = vpe_get_shared(tclimit)), ret); + if (ret) goto out_fail; - } + } else { + printk(KERN_DEBUG "No SP program loaded, and device " + "opened with O_NONBLOCK\n"); + ret = -ENOSYS; + goto out_fail; + } } smp_rmb(); @@ -182,7 +191,9 @@ int rtlx_open(int index, int can_sleep) DEFINE_WAIT(wait); for (;;) { - prepare_to_wait(&channel_wqs[index].lx_queue, &wait, TASK_INTERRUPTIBLE); + prepare_to_wait( + &channel_wqs[index].lx_queue, + &wait, TASK_INTERRUPTIBLE); smp_rmb(); if (*p != NULL) break; @@ -195,7 +206,7 @@ int rtlx_open(int index, int can_sleep) } finish_wait(&channel_wqs[index].lx_queue, &wait); } else { - printk(" *vpe_get_shared is NULL. " + pr_err(" *vpe_get_shared is NULL. " "Has an SP program been loaded?\n"); ret = -ENOSYS; goto out_fail; @@ -203,8 +214,9 @@ int rtlx_open(int index, int can_sleep) } if ((unsigned int)*p < KSEG0) { - printk(KERN_WARNING "vpe_get_shared returned an invalid pointer " - "maybe an error code %d\n", (int)*p); + printk(KERN_WARNING "vpe_get_shared returned an " + "invalid pointer maybe an error code %d\n", + (int)*p); ret = -ENOSYS; goto out_fail; } @@ -232,6 +244,10 @@ out_ret: int rtlx_release(int index) { + if (rtlx == NULL) { + pr_err("rtlx_release() with null rtlx\n"); + return 0; + } rtlx->channel[index].lx_state = RTLX_STATE_UNUSED; return 0; } @@ -251,8 +267,8 @@ unsigned int rtlx_read_poll(int index, int can_sleep) int ret = 0; __wait_event_interruptible(channel_wqs[index].lx_queue, - chan->lx_read != chan->lx_write || sp_stopping, - ret); + (chan->lx_read != chan->lx_write) || + sp_stopping, ret); if (ret) return ret; @@ -282,7 +298,9 @@ static inline int write_spacefree(int read, int write, int size) unsigned int rtlx_write_poll(int index) { struct rtlx_channel *chan = &rtlx->channel[index]; - return write_spacefree(chan->rt_read, chan->rt_write, chan->buffer_size); + + return write_spacefree(chan->rt_read, chan->rt_write, + chan->buffer_size); } ssize_t rtlx_read(int index, void __user *buff, size_t count) @@ -344,8 +362,8 @@ ssize_t rtlx_write(int index, const void __user *buffer, size_t count) rt_read = rt->rt_read; /* total number of bytes to copy */ - count = min(count, - (size_t)write_spacefree(rt_read, rt->rt_write, rt->buffer_size)); + count = min(count, (size_t)write_spacefree(rt_read, rt->rt_write, + rt->buffer_size)); /* first bit from write pointer to the end of the buffer, or count */ fl = min(count, (size_t) rt->buffer_size - rt->rt_write); @@ -514,6 +532,11 @@ static int __init rtlx_module_init(void) if (cpu_has_vint) set_vi_handler(MIPS_CPU_RTLX_IRQ, rtlx_dispatch); + else { + pr_err("APRP RTLX init on non-vectored-interrupt processor\n"); + err = -ENODEV; + goto out_chrdev; + } rtlx_irq.dev_id = rtlx; setup_irq(rtlx_irq_num, &rtlx_irq); diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index 39f3dfe134fb..c6a063b2a0d9 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -331,6 +331,7 @@ static void __init bootmem_init(void) /* * Determine low and high memory ranges */ + max_pfn = max_low_pfn; if (max_low_pfn > PFN_DOWN(HIGHMEM_START)) { #ifdef CONFIG_HIGHMEM highstart_pfn = PFN_DOWN(HIGHMEM_START); diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index 33780cc61ce9..63370cdd3c90 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -87,8 +87,8 @@ struct plat_smp_ops *mp_ops; __cpuinit void register_smp_ops(struct plat_smp_ops *ops) { - if (ops) - printk(KERN_WARNING "Overriding previous set SMP ops\n"); + if (mp_ops) + printk(KERN_WARNING "Overriding previously set SMP ops\n"); mp_ops = ops; } diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index cb8b0e2c7954..f9165d1a17bf 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -88,15 +88,17 @@ static void show_raw_backtrace(unsigned long reg29) #ifdef CONFIG_KALLSYMS printk("\n"); #endif -#define IS_KVA01(a) ((((unsigned int)a) & 0xc0000000) == 0x80000000) - if (IS_KVA01(sp)) { - while (!kstack_end(sp)) { - addr = *sp++; - if (__kernel_text_address(addr)) - print_ip_sym(addr); + while (!kstack_end(sp)) { + unsigned long __user *p = + (unsigned long __user *)(unsigned long)sp++; + if (__get_user(addr, p)) { + printk(" (Bad stack address)"); + break; } - printk("\n"); + if (__kernel_text_address(addr)) + print_ip_sym(addr); } + printk("\n"); } #ifdef CONFIG_KALLSYMS diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c index 39804c584edd..2794501ff302 100644 --- a/arch/mips/kernel/vpe.c +++ b/arch/mips/kernel/vpe.c @@ -269,7 +269,7 @@ static void *alloc_progmem(unsigned long len) * This means you must tell Linux to use less memory than you * physically have, for example by passing a mem= boot argument. */ - addr = pfn_to_kaddr(max_pfn); + addr = pfn_to_kaddr(max_low_pfn); memset(addr, 0, len); #else /* simple grab some mem for now */ @@ -781,10 +781,15 @@ static int vpe_run(struct vpe * v) /* take system out of configuration state */ clear_c0_mvpcontrol(MVPCONTROL_VPC); + /* + * SMTC/SMVP kernels manage VPE enable independently, + * but uniprocessor kernels need to turn it on, even + * if that wasn't the pre-dvpe() state. + */ #ifdef CONFIG_SMP - evpe(EVPE_ENABLE); -#else evpe(vpeflags); +#else + evpe(EVPE_ENABLE); #endif emt(dmt_flag); local_irq_restore(flags); @@ -840,7 +845,7 @@ static int vpe_elfload(struct vpe * v) /* Sanity checks against insmoding binaries or wrong arch, weird elf version */ - if (memcmp(hdr->e_ident, ELFMAG, 4) != 0 + if (memcmp(hdr->e_ident, ELFMAG, SELFMAG) != 0 || (hdr->e_type != ET_REL && hdr->e_type != ET_EXEC) || !elf_check_arch(hdr) || hdr->e_shentsize != sizeof(*sechdrs)) { @@ -947,12 +952,14 @@ static int vpe_elfload(struct vpe * v) struct elf_phdr *phdr = (struct elf_phdr *) ((char *)hdr + hdr->e_phoff); for (i = 0; i < hdr->e_phnum; i++) { - if (phdr->p_type != PT_LOAD) - continue; - - memcpy((void *)phdr->p_paddr, (char *)hdr + phdr->p_offset, phdr->p_filesz); - memset((void *)phdr->p_paddr + phdr->p_filesz, 0, phdr->p_memsz - phdr->p_filesz); - phdr++; + if (phdr->p_type == PT_LOAD) { + memcpy((void *)phdr->p_paddr, + (char *)hdr + phdr->p_offset, + phdr->p_filesz); + memset((void *)phdr->p_paddr + phdr->p_filesz, + 0, phdr->p_memsz - phdr->p_filesz); + } + phdr++; } for (i = 0; i < hdr->e_shnum; i++) { @@ -1107,7 +1114,7 @@ static int vpe_release(struct inode *inode, struct file *filp) return -ENODEV; hdr = (Elf_Ehdr *) v->pbuffer; - if (memcmp(hdr->e_ident, ELFMAG, 4) == 0) { + if (memcmp(hdr->e_ident, ELFMAG, SELFMAG) == 0) { if (vpe_elfload(v) >= 0) { vpe_run(v); } else { diff --git a/arch/mips/mips-boards/generic/time.c b/arch/mips/mips-boards/generic/time.c index 008fd82b5840..fe2cac1b4514 100644 --- a/arch/mips/mips-boards/generic/time.c +++ b/arch/mips/mips-boards/generic/time.c @@ -58,27 +58,8 @@ static int mips_cpu_timer_irq; static int mips_cpu_perf_irq; extern int cp0_perfcount_irq; -DEFINE_PER_CPU(unsigned int, tickcount); -#define tickcount_this_cpu __get_cpu_var(tickcount) -static unsigned long ledbitmask; - static void mips_timer_dispatch(void) { -#if defined(CONFIG_MIPS_MALTA) || defined(CONFIG_MIPS_ATLAS) - /* - * Yes, this is very tacky, won't work as expected with SMTC and - * dyntick will break it, - * but it gives me a nice warm feeling during debug - */ -#define LEDBAR 0xbf000408 - if (tickcount_this_cpu++ >= HZ) { - tickcount_this_cpu = 0; - change_bit(smp_processor_id(), &ledbitmask); - smp_wmb(); /* Make sure every one else sees the change */ - /* This will pick up any recent changes made by other CPU's */ - *(unsigned int *)LEDBAR = ledbitmask; - } -#endif do_IRQ(mips_cpu_timer_irq); } diff --git a/arch/mips/mm/highmem.c b/arch/mips/mm/highmem.c index 10dd2af2343b..8f2cd8eda741 100644 --- a/arch/mips/mm/highmem.c +++ b/arch/mips/mm/highmem.c @@ -116,4 +116,3 @@ EXPORT_SYMBOL(__kmap); EXPORT_SYMBOL(__kunmap); EXPORT_SYMBOL(__kmap_atomic); EXPORT_SYMBOL(__kunmap_atomic); -EXPORT_SYMBOL(__kmap_atomic_to_page); diff --git a/arch/mips/mm/page.c b/arch/mips/mm/page.c index d827d6144369..cab81f42eee5 100644 --- a/arch/mips/mm/page.c +++ b/arch/mips/mm/page.c @@ -310,8 +310,8 @@ void __cpuinit build_clear_page(void) if (R4600_V2_HIT_CACHEOP_WAR && cpu_is_r4600_v2_x()) uasm_i_lui(&buf, AT, 0xa000); - off = min(8, pref_bias_clear_store / cache_line_size) * - cache_line_size; + off = cache_line_size ? min(8, pref_bias_clear_store / cache_line_size) + * cache_line_size : 0; while (off) { build_clear_pref(&buf, -off); off -= cache_line_size; @@ -454,12 +454,14 @@ void __cpuinit build_copy_page(void) if (R4600_V2_HIT_CACHEOP_WAR && cpu_is_r4600_v2_x()) uasm_i_lui(&buf, AT, 0xa000); - off = min(8, pref_bias_copy_load / cache_line_size) * cache_line_size; + off = cache_line_size ? min(8, pref_bias_copy_load / cache_line_size) * + cache_line_size : 0; while (off) { build_copy_load_pref(&buf, -off); off -= cache_line_size; } - off = min(8, pref_bias_copy_store / cache_line_size) * cache_line_size; + off = cache_line_size ? min(8, pref_bias_copy_load / cache_line_size) * + cache_line_size : 0; while (off) { build_copy_store_pref(&buf, -off); off -= cache_line_size; diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c index 382738ca8a0b..76da73a5ab3c 100644 --- a/arch/mips/mm/tlbex.c +++ b/arch/mips/mm/tlbex.c @@ -224,8 +224,9 @@ static u32 final_handler[64] __cpuinitdata; static void __cpuinit __maybe_unused build_tlb_probe_entry(u32 **p) { switch (current_cpu_type()) { - /* Found by experiment: R4600 v2.0 needs this, too. */ + /* Found by experiment: R4600 v2.0/R4700 needs this, too. */ case CPU_R4600: + case CPU_R4700: case CPU_R5000: case CPU_R5000A: case CPU_NEVADA: diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c index da8cbb6899dc..b40df7d2cf44 100644 --- a/arch/mips/oprofile/op_model_mipsxx.c +++ b/arch/mips/oprofile/op_model_mipsxx.c @@ -281,7 +281,7 @@ static inline int n_counters(void) static void reset_counters(void *arg) { - int counters = (int)arg; + int counters = (int)(long)arg; switch (counters) { case 4: w_c0_perfctrl3(0); @@ -313,7 +313,7 @@ static int __init mipsxx_init(void) if (!cpu_has_mipsmt_pertccounters) counters = counters_total_to_per_cpu(counters); #endif - on_each_cpu(reset_counters, (void *)counters, 0, 1); + on_each_cpu(reset_counters, (void *)(long)counters, 0, 1); op_model_mipsxx_ops.num_counters = counters; switch (current_cpu_type()) { @@ -382,7 +382,7 @@ static void mipsxx_exit(void) int counters = op_model_mipsxx_ops.num_counters; counters = counters_per_cpu_to_total(counters); - on_each_cpu(reset_counters, (void *)counters, 0, 1); + on_each_cpu(reset_counters, (void *)(long)counters, 0, 1); perf_irq = save_perf_irq; } diff --git a/arch/mips/pci/fixup-au1000.c b/arch/mips/pci/fixup-au1000.c index 00c36c9dbe0e..e2ddfc49237c 100644 --- a/arch/mips/pci/fixup-au1000.c +++ b/arch/mips/pci/fixup-au1000.c @@ -1,10 +1,9 @@ /* * BRIEF MODULE DESCRIPTION - * Board specific pci fixups. + * Board specific PCI fixups. * - * Copyright 2001-2003 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2001-2003, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the diff --git a/arch/mips/pci/ops-au1000.c b/arch/mips/pci/ops-au1000.c index 1314bd58f036..9a57c5ab91dd 100644 --- a/arch/mips/pci/ops-au1000.c +++ b/arch/mips/pci/ops-au1000.c @@ -1,10 +1,9 @@ /* * BRIEF MODULE DESCRIPTION - * Alchemy/AMD Au1x00 PCI support. + * Alchemy/AMD Au1xx0 PCI support. * - * Copyright 2001-2003, 2007 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com + * Copyright 2001-2003, 2007-2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> * * Support for all devices (greater than 16) added by David Gathright. * @@ -28,6 +27,7 @@ * with this program; if not, write to the Free Software Foundation, Inc., * 675 Mass Ave, Cambridge, MA 02139, USA. */ + #include <linux/types.h> #include <linux/pci.h> #include <linux/kernel.h> @@ -36,9 +36,9 @@ #include <asm/mach-au1x00/au1000.h> -#undef DEBUG -#ifdef DEBUG -#define DBG(x...) printk(x) +#undef DEBUG +#ifdef DEBUG +#define DBG(x...) printk(KERN_DEBUG x) #else #define DBG(x...) #endif @@ -46,7 +46,6 @@ #define PCI_ACCESS_READ 0 #define PCI_ACCESS_WRITE 1 - int (*board_pci_idsel)(unsigned int devsel, int assert); void mod_wired_entry(int entry, unsigned long entrylo0, @@ -92,10 +91,9 @@ void __init au1x_pci_cfg_init(void) } static int config_access(unsigned char access_type, struct pci_bus *bus, - unsigned int dev_fn, unsigned char where, - u32 * data) + unsigned int dev_fn, unsigned char where, u32 *data) { -#if defined( CONFIG_SOC_AU1500 ) || defined( CONFIG_SOC_AU1550 ) +#if defined(CONFIG_SOC_AU1500) || defined(CONFIG_SOC_AU1550) unsigned int device = PCI_SLOT(dev_fn); unsigned int function = PCI_FUNC(dev_fn); unsigned long offset, status; @@ -114,38 +112,36 @@ static int config_access(unsigned char access_type, struct pci_bus *bus, Au1500_PCI_STATCMD); au_sync_udelay(1); - /* Allow board vendors to implement their own off-chip idsel. + /* + * Allow board vendors to implement their own off-chip IDSEL. * If it doesn't succeed, may as well bail out at this point. */ - if (board_pci_idsel) { - if (board_pci_idsel(device, 1) == 0) { - *data = 0xffffffff; - local_irq_restore(flags); - return -1; - } + if (board_pci_idsel && board_pci_idsel(device, 1) == 0) { + *data = 0xffffffff; + local_irq_restore(flags); + return -1; } - /* setup the config window */ - if (bus->number == 0) { - cfg_base = ((1<<device)<<11); - } else { - cfg_base = 0x80000000 | (bus->number<<16) | (device<<11); - } + /* Setup the config window */ + if (bus->number == 0) + cfg_base = (1 << device) << 11; + else + cfg_base = 0x80000000 | (bus->number << 16) | (device << 11); - /* setup the lower bits of the 36 bit address */ - offset = (function << 8) | (where & ~0x3); - /* pick up any address that falls below the page mask */ + /* Setup the lower bits of the 36-bit address */ + offset = (function << 8) | (where & ~0x3); + /* Pick up any address that falls below the page mask */ offset |= cfg_base & ~PAGE_MASK; - /* page boundary */ + /* Page boundary */ cfg_base = cfg_base & PAGE_MASK; /* * To improve performance, if the current device is the same as * the last device accessed, we don't touch the TLB. */ - entryLo0 = (6 << 26) | (cfg_base >> 6) | (2 << 3) | 7; - entryLo1 = (6 << 26) | (cfg_base >> 6) | (0x1000 >> 6) | (2 << 3) | 7; + entryLo0 = (6 << 26) | (cfg_base >> 6) | (2 << 3) | 7; + entryLo1 = (6 << 26) | (cfg_base >> 6) | (0x1000 >> 6) | (2 << 3) | 7; if ((entryLo0 != last_entryLo0) || (entryLo1 != last_entryLo1)) { mod_wired_entry(pci_cfg_wired_entry, entryLo0, entryLo1, (unsigned long)pci_cfg_vm->addr, PM_4K); @@ -153,38 +149,37 @@ static int config_access(unsigned char access_type, struct pci_bus *bus, last_entryLo1 = entryLo1; } - if (access_type == PCI_ACCESS_WRITE) { + if (access_type == PCI_ACCESS_WRITE) au_writel(*data, (int)(pci_cfg_vm->addr + offset)); - } else { + else *data = au_readl((int)(pci_cfg_vm->addr + offset)); - } + au_sync_udelay(2); - DBG("cfg_access %d bus->number %d dev %d at %x *data %x conf %x\n", - access_type, bus->number, device, where, *data, offset); + DBG("cfg_access %d bus->number %u dev %u at %x *data %x conf %lx\n", + access_type, bus->number, device, where, *data, offset); - /* check master abort */ + /* Check master abort */ status = au_readl(Au1500_PCI_STATCMD); - if (status & (1<<29)) { + if (status & (1 << 29)) { *data = 0xffffffff; error = -1; DBG("Au1x Master Abort\n"); } else if ((status >> 28) & 0xf) { - DBG("PCI ERR detected: device %d, status %x\n", device, ((status >> 28) & 0xf)); + DBG("PCI ERR detected: device %u, status %lx\n", + device, (status >> 28) & 0xf); - /* clear errors */ + /* Clear errors */ au_writel(status & 0xf000ffff, Au1500_PCI_STATCMD); *data = 0xffffffff; error = -1; } - /* Take away the idsel. - */ - if (board_pci_idsel) { + /* Take away the IDSEL. */ + if (board_pci_idsel) (void)board_pci_idsel(device, 0); - } local_irq_restore(flags); return error; @@ -192,7 +187,7 @@ static int config_access(unsigned char access_type, struct pci_bus *bus, } static int read_config_byte(struct pci_bus *bus, unsigned int devfn, - int where, u8 * val) + int where, u8 *val) { u32 data; int ret; @@ -206,9 +201,8 @@ static int read_config_byte(struct pci_bus *bus, unsigned int devfn, return ret; } - static int read_config_word(struct pci_bus *bus, unsigned int devfn, - int where, u16 * val) + int where, u16 *val) { u32 data; int ret; @@ -221,7 +215,7 @@ static int read_config_word(struct pci_bus *bus, unsigned int devfn, } static int read_config_dword(struct pci_bus *bus, unsigned int devfn, - int where, u32 * val) + int where, u32 *val) { int ret; @@ -229,9 +223,8 @@ static int read_config_dword(struct pci_bus *bus, unsigned int devfn, return ret; } -static int -write_config_byte(struct pci_bus *bus, unsigned int devfn, int where, - u8 val) +static int write_config_byte(struct pci_bus *bus, unsigned int devfn, + int where, u8 val) { u32 data = 0; @@ -239,7 +232,7 @@ write_config_byte(struct pci_bus *bus, unsigned int devfn, int where, return -1; data = (data & ~(0xff << ((where & 3) << 3))) | - (val << ((where & 3) << 3)); + (val << ((where & 3) << 3)); if (config_access(PCI_ACCESS_WRITE, bus, devfn, where, &data)) return -1; @@ -247,9 +240,8 @@ write_config_byte(struct pci_bus *bus, unsigned int devfn, int where, return PCIBIOS_SUCCESSFUL; } -static int -write_config_word(struct pci_bus *bus, unsigned int devfn, int where, - u16 val) +static int write_config_word(struct pci_bus *bus, unsigned int devfn, + int where, u16 val) { u32 data = 0; @@ -257,18 +249,16 @@ write_config_word(struct pci_bus *bus, unsigned int devfn, int where, return -1; data = (data & ~(0xffff << ((where & 3) << 3))) | - (val << ((where & 3) << 3)); + (val << ((where & 3) << 3)); if (config_access(PCI_ACCESS_WRITE, bus, devfn, where, &data)) return -1; - return PCIBIOS_SUCCESSFUL; } -static int -write_config_dword(struct pci_bus *bus, unsigned int devfn, int where, - u32 val) +static int write_config_dword(struct pci_bus *bus, unsigned int devfn, + int where, u32 val) { if (config_access(PCI_ACCESS_WRITE, bus, devfn, where, &val)) return -1; @@ -277,18 +267,20 @@ write_config_dword(struct pci_bus *bus, unsigned int devfn, int where, } static int config_read(struct pci_bus *bus, unsigned int devfn, - int where, int size, u32 * val) + int where, int size, u32 *val) { switch (size) { case 1: { u8 _val; int rc = read_config_byte(bus, devfn, where, &_val); + *val = _val; return rc; } - case 2: { + case 2: { u16 _val; int rc = read_config_word(bus, devfn, where, &_val); + *val = _val; return rc; } @@ -310,7 +302,6 @@ static int config_write(struct pci_bus *bus, unsigned int devfn, } } - struct pci_ops au1x_pci_ops = { config_read, config_write diff --git a/arch/mips/pci/ops-bridge.c b/arch/mips/pci/ops-bridge.c index 1fa09929cd7a..b46b3e211775 100644 --- a/arch/mips/pci/ops-bridge.c +++ b/arch/mips/pci/ops-bridge.c @@ -14,6 +14,22 @@ #include <asm/sn/sn0/hub.h> /* + * Most of the IOC3 PCI config register aren't present + * we emulate what is needed for a normal PCI enumeration + */ +static u32 emulate_ioc3_cfg(int where, int size) +{ + if (size == 1 && where == 0x3d) + return 0x01; + else if (size == 2 && where == 0x3c) + return 0x0100; + else if (size == 4 && where == 0x3c) + return 0x00000100; + + return 0; +} + +/* * The Bridge ASIC supports both type 0 and type 1 access. Type 1 is * not really documented, so right now I can't write code which uses it. * Therefore we use type 0 accesses for now even though they won't work @@ -64,7 +80,7 @@ oh_my_gawd: * generic PCI code a chance to look at the wrong register. */ if ((where >= 0x14 && where < 0x40) || (where >= 0x48)) { - *value = 0; + *value = emulate_ioc3_cfg(where, size); return PCIBIOS_SUCCESSFUL; } @@ -127,7 +143,7 @@ oh_my_gawd: * generic PCI code a chance to look at the wrong register. */ if ((where >= 0x14 && where < 0x40) || (where >= 0x48)) { - *value = 0; + *value = emulate_ioc3_cfg(where, size); return PCIBIOS_SUCCESSFUL; } diff --git a/arch/mips/pci/pci-ip27.c b/arch/mips/pci/pci-ip27.c index bb64828a92fe..a18516925cdd 100644 --- a/arch/mips/pci/pci-ip27.c +++ b/arch/mips/pci/pci-ip27.c @@ -47,6 +47,9 @@ int __cpuinit bridge_probe(nasid_t nasid, int widget_id, int masterwid) static int num_bridges = 0; bridge_t *bridge; int slot; + extern int pci_probe_only; + + pci_probe_only = 1; printk("a bridge\n"); @@ -100,6 +103,11 @@ int __cpuinit bridge_probe(nasid_t nasid, int widget_id, int masterwid) */ bridge->b_wid_control |= BRIDGE_CTRL_IO_SWAP | BRIDGE_CTRL_MEM_SWAP; +#ifdef CONFIG_PAGE_SIZE_4KB + bridge->b_wid_control &= ~BRIDGE_CTRL_PAGE_SIZE; +#else /* 16kB or larger */ + bridge->b_wid_control |= BRIDGE_CTRL_PAGE_SIZE; +#endif /* * Hmm... IRIX sets additional bits in the address which diff --git a/arch/mips/pmc-sierra/msp71xx/msp_hwbutton.c b/arch/mips/pmc-sierra/msp71xx/msp_hwbutton.c index ab96a2d7f4c4..11769b55438c 100644 --- a/arch/mips/pmc-sierra/msp71xx/msp_hwbutton.c +++ b/arch/mips/pmc-sierra/msp71xx/msp_hwbutton.c @@ -126,9 +126,6 @@ static irqreturn_t hwbutton_handler(int irq, void *data) struct hwbutton_interrupt *hirq = data; unsigned long cic_ext = *CIC_EXT_CFG_REG; - if (irq != hirq->irq) - return IRQ_NONE; - if (CIC_EXT_IS_ACTIVE_HI(cic_ext, hirq->eirq)) { /* Interrupt: pin is now HI */ CIC_EXT_SET_ACTIVE_LO(cic_ext, hirq->eirq); @@ -164,7 +161,7 @@ static int msp_hwbutton_register(struct hwbutton_interrupt *hirq) *CIC_EXT_CFG_REG = cic_ext; return request_irq(hirq->irq, hwbutton_handler, IRQF_DISABLED, - hirq->name, (void *)hirq); + hirq->name, hirq); } static int __init msp_hwbutton_setup(void) diff --git a/arch/mips/sgi-ip27/ip27-init.c b/arch/mips/sgi-ip27/ip27-init.c index 7093e7c573a4..4a500e8cd3cc 100644 --- a/arch/mips/sgi-ip27/ip27-init.c +++ b/arch/mips/sgi-ip27/ip27-init.c @@ -161,27 +161,6 @@ cnodeid_t get_compact_nodeid(void) return NASID_TO_COMPACT_NODEID(get_nasid()); } -/* Extracted from the IOC3 meta driver. FIXME. */ -static inline void ioc3_sio_init(void) -{ - struct ioc3 *ioc3; - nasid_t nid; - long loops; - - nid = get_nasid(); - ioc3 = (struct ioc3 *) KL_CONFIG_CH_CONS_INFO(nid)->memory_base; - - ioc3->sscr_a = 0; /* PIO mode for uarta. */ - ioc3->sscr_b = 0; /* PIO mode for uartb. */ - ioc3->sio_iec = ~0; - ioc3->sio_ies = (SIO_IR_SA_INT | SIO_IR_SB_INT); - - loops=1000000; while(loops--); - ioc3->sregs.uarta.iu_fcr = 0; - ioc3->sregs.uartb.iu_fcr = 0; - loops=1000000; while(loops--); -} - static inline void ioc3_eth_init(void) { struct ioc3 *ioc3; @@ -234,7 +213,6 @@ void __init plat_mem_setup(void) panic("Kernel compiled for N mode."); #endif - ioc3_sio_init(); ioc3_eth_init(); per_cpu_init(); diff --git a/arch/mips/sgi-ip27/ip27-memory.c b/arch/mips/sgi-ip27/ip27-memory.c index bf438d02366e..42cd10956306 100644 --- a/arch/mips/sgi-ip27/ip27-memory.c +++ b/arch/mips/sgi-ip27/ip27-memory.c @@ -33,10 +33,6 @@ #define SLOT_PFNSHIFT (SLOT_SHIFT - PAGE_SHIFT) #define PFN_NASIDSHFT (NASID_SHFT - PAGE_SHIFT) -#define SLOT_IGNORED 0xffff - -static short __initdata slot_lastfilled_cache[MAX_COMPACT_NODES]; -static unsigned short __initdata slot_psize_cache[MAX_COMPACT_NODES][MAX_MEM_SLOTS]; static struct bootmem_data __initdata plat_node_bdata[MAX_COMPACT_NODES]; struct node_data *__node_data[MAX_COMPACT_NODES]; @@ -267,51 +263,6 @@ static pfn_t __init slot_getbasepfn(cnodeid_t cnode, int slot) return ((pfn_t)nasid << PFN_NASIDSHFT) | (slot << SLOT_PFNSHIFT); } -/* - * Return the number of pages of memory provided by the given slot - * on the specified node. - */ -static pfn_t __init slot_getsize(cnodeid_t node, int slot) -{ - return (pfn_t) slot_psize_cache[node][slot]; -} - -/* - * Return highest slot filled - */ -static int __init node_getlastslot(cnodeid_t node) -{ - return (int) slot_lastfilled_cache[node]; -} - -/* - * Return the pfn of the last free page of memory on a node. - */ -static pfn_t __init node_getmaxclick(cnodeid_t node) -{ - pfn_t slot_psize; - int slot; - - /* - * Start at the top slot. When we find a slot with memory in it, - * that's the winner. - */ - for (slot = (MAX_MEM_SLOTS - 1); slot >= 0; slot--) { - if ((slot_psize = slot_getsize(node, slot))) { - if (slot_psize == SLOT_IGNORED) - continue; - /* Return the basepfn + the slot size, minus 1. */ - return slot_getbasepfn(node, slot) + slot_psize - 1; - } - } - - /* - * If there's no memory on the node, return 0. This is likely - * to cause problems. - */ - return 0; -} - static pfn_t __init slot_psize_compute(cnodeid_t node, int slot) { nasid_t nasid; @@ -404,13 +355,13 @@ static void __init mlreset(void) static void __init szmem(void) { pfn_t slot_psize, slot0sz = 0, nodebytes; /* Hack to detect problem configs */ - int slot, ignore; + int slot; cnodeid_t node; num_physpages = 0; for_each_online_node(node) { - ignore = nodebytes = 0; + nodebytes = 0; for (slot = 0; slot < MAX_MEM_SLOTS; slot++) { slot_psize = slot_psize_compute(node, slot); if (slot == 0) @@ -420,21 +371,20 @@ static void __init szmem(void) * kernel text. */ nodebytes += (1LL << SLOT_SHIFT); + + if (!slot_psize) + continue; + if ((nodebytes >> PAGE_SHIFT) * (sizeof(struct page)) > - (slot0sz << PAGE_SHIFT)) - ignore = 1; - if (ignore && slot_psize) { + (slot0sz << PAGE_SHIFT)) { printk("Ignoring slot %d onwards on node %d\n", slot, node); - slot_psize_cache[node][slot] = SLOT_IGNORED; slot = MAX_MEM_SLOTS; continue; } num_physpages += slot_psize; - slot_psize_cache[node][slot] = - (unsigned short) slot_psize; - if (slot_psize) - slot_lastfilled_cache[node] = slot; + add_active_range(node, slot_getbasepfn(node, slot), + slot_getbasepfn(node, slot) + slot_psize); } } } @@ -442,18 +392,20 @@ static void __init szmem(void) static void __init node_mem_init(cnodeid_t node) { pfn_t slot_firstpfn = slot_getbasepfn(node, 0); - pfn_t slot_lastpfn = slot_firstpfn + slot_getsize(node, 0); pfn_t slot_freepfn = node_getfirstfree(node); - struct pglist_data *pd; unsigned long bootmap_size; + pfn_t start_pfn, end_pfn; + + get_pfn_range_for_nid(node, &start_pfn, &end_pfn); /* * Allocate the node data structures on the node first. */ __node_data[node] = __va(slot_freepfn << PAGE_SHIFT); - pd = NODE_DATA(node); - pd->bdata = &plat_node_bdata[node]; + NODE_DATA(node)->bdata = &plat_node_bdata[node]; + NODE_DATA(node)->node_start_pfn = start_pfn; + NODE_DATA(node)->node_spanned_pages = end_pfn - start_pfn; cpus_clear(hub_data(node)->h_cpus); @@ -461,12 +413,12 @@ static void __init node_mem_init(cnodeid_t node) sizeof(struct hub_data)); bootmap_size = init_bootmem_node(NODE_DATA(node), slot_freepfn, - slot_firstpfn, slot_lastpfn); - free_bootmem_node(NODE_DATA(node), slot_firstpfn << PAGE_SHIFT, - (slot_lastpfn - slot_firstpfn) << PAGE_SHIFT); + start_pfn, end_pfn); + free_bootmem_with_active_regions(node, end_pfn); reserve_bootmem_node(NODE_DATA(node), slot_firstpfn << PAGE_SHIFT, ((slot_freepfn - slot_firstpfn) << PAGE_SHIFT) + bootmap_size, BOOTMEM_DEFAULT); + sparse_memory_present_with_active_regions(node); } /* @@ -515,16 +467,15 @@ void __init paging_init(void) pagetable_init(); for_each_online_node(node) { - pfn_t start_pfn = slot_getbasepfn(node, 0); - pfn_t end_pfn = node_getmaxclick(node) + 1; + pfn_t start_pfn, end_pfn; - zones_size[ZONE_NORMAL] = end_pfn - start_pfn; - free_area_init_node(node, NODE_DATA(node), - zones_size, start_pfn, NULL); + get_pfn_range_for_nid(node, &start_pfn, &end_pfn); if (end_pfn > max_low_pfn) max_low_pfn = end_pfn; } + zones_size[ZONE_NORMAL] = max_low_pfn; + free_area_init_nodes(zones_size); } void __init mem_init(void) @@ -535,34 +486,10 @@ void __init mem_init(void) high_memory = (void *) __va(num_physpages << PAGE_SHIFT); for_each_online_node(node) { - unsigned slot, numslots; - struct page *end, *p; - /* * This will free up the bootmem, ie, slot 0 memory. */ totalram_pages += free_all_bootmem_node(NODE_DATA(node)); - - /* - * We need to manually do the other slots. - */ - numslots = node_getlastslot(node); - for (slot = 1; slot <= numslots; slot++) { - p = nid_page_nr(node, slot_getbasepfn(node, slot) - - slot_getbasepfn(node, 0)); - - /* - * Free valid memory in current slot. - */ - for (end = p + slot_getsize(node, slot); p < end; p++) { - /* if (!page_is_ram(pgnr)) continue; */ - /* commented out until page_is_ram works */ - ClearPageReserved(p); - init_page_count(p); - __free_page(p); - totalram_pages++; - } - } } totalram_pages -= setup_zero_pages(); /* This comes from node 0 */ diff --git a/arch/mips/sgi-ip27/ip27-smp.c b/arch/mips/sgi-ip27/ip27-smp.c index f15fc93d6b35..ba5cdebeaf0d 100644 --- a/arch/mips/sgi-ip27/ip27-smp.c +++ b/arch/mips/sgi-ip27/ip27-smp.c @@ -176,11 +176,14 @@ static void ip27_send_ipi_mask(cpumask_t mask, unsigned int action) static void __cpuinit ip27_init_secondary(void) { per_cpu_init(); - local_irq_enable(); } static void __cpuinit ip27_smp_finish(void) { + extern void hub_rt_clock_event_init(void); + + hub_rt_clock_event_init(); + local_irq_enable(); } static void __init ip27_cpus_done(void) diff --git a/arch/mips/sgi-ip27/ip27-timer.c b/arch/mips/sgi-ip27/ip27-timer.c index 25d3baf0ebc4..8b4e854af925 100644 --- a/arch/mips/sgi-ip27/ip27-timer.c +++ b/arch/mips/sgi-ip27/ip27-timer.c @@ -158,12 +158,15 @@ static void rt_set_mode(enum clock_event_mode mode, } } -unsigned int rt_timer_irq; +int rt_timer_irq; + +static DEFINE_PER_CPU(struct clock_event_device, hub_rt_clockevent); +static DEFINE_PER_CPU(char [11], hub_rt_name); static irqreturn_t hub_rt_counter_handler(int irq, void *dev_id) { - struct clock_event_device *cd = dev_id; unsigned int cpu = smp_processor_id(); + struct clock_event_device *cd = &per_cpu(hub_rt_clockevent, cpu); int slice = cputoslice(cpu); /* @@ -192,10 +195,7 @@ struct irqaction hub_rt_irqaction = { #define NSEC_PER_CYCLE 800 #define CYCLES_PER_SEC (NSEC_PER_SEC / NSEC_PER_CYCLE) -static DEFINE_PER_CPU(struct clock_event_device, hub_rt_clockevent); -static DEFINE_PER_CPU(char [11], hub_rt_name); - -static void __cpuinit hub_rt_clock_event_init(void) +void __cpuinit hub_rt_clock_event_init(void) { unsigned int cpu = smp_processor_id(); struct clock_event_device *cd = &per_cpu(hub_rt_clockevent, cpu); @@ -203,23 +203,22 @@ static void __cpuinit hub_rt_clock_event_init(void) int irq = rt_timer_irq; sprintf(name, "hub-rt %d", cpu); - cd->name = "HUB-RT", - cd->features = CLOCK_EVT_FEAT_ONESHOT, + cd->name = name; + cd->features = CLOCK_EVT_FEAT_ONESHOT; clockevent_set_clock(cd, CYCLES_PER_SEC); cd->max_delta_ns = clockevent_delta2ns(0xfffffffffffff, cd); cd->min_delta_ns = clockevent_delta2ns(0x300, cd); - cd->rating = 200, - cd->irq = irq, - cd->cpumask = cpumask_of_cpu(cpu), - cd->rating = 300, - cd->set_next_event = rt_next_event, - cd->set_mode = rt_set_mode, + cd->rating = 200; + cd->irq = irq; + cd->cpumask = cpumask_of_cpu(cpu); + cd->set_next_event = rt_next_event; + cd->set_mode = rt_set_mode; clockevents_register_device(cd); } static void __init hub_rt_clock_event_global_init(void) { - unsigned int irq; + int irq; do { smp_wmb(); @@ -261,6 +260,7 @@ void __init plat_time_init(void) { hub_rt_clocksource_init(); hub_rt_clock_event_global_init(); + hub_rt_clock_event_init(); } void __cpuinit cpu_time_init(void) @@ -281,7 +281,6 @@ void __cpuinit cpu_time_init(void) printk("CPU %d clock is %dMHz.\n", smp_processor_id(), cpu->cpu_speed); - hub_rt_clock_event_init(); set_c0_status(SRB_TIMOCLK); } |