diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-08-05 16:14:15 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-08-07 09:55:48 +0100 |
| commit | a09e64fbc0094e3073dbb09c3b4bfe4ab669244b (patch) | |
| tree | 69689f467179891b498bd7423fcf61925173db31 /arch/arm/mach-l7200 | |
| parent | a1b81a84fff05dbfef45b7012c26e1fee9973e5d (diff) | |
[ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach
This just leaves include/asm-arm/plat-* to deal with.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-l7200')
22 files changed, 1103 insertions, 1 deletions
diff --git a/arch/arm/mach-l7200/core.c b/arch/arm/mach-l7200/core.c index 8cec912fd030..50d23246d4f0 100644 --- a/arch/arm/mach-l7200/core.c +++ b/arch/arm/mach-l7200/core.c @@ -13,7 +13,7 @@ #include <asm/types.h> #include <asm/irq.h> #include <asm/mach-types.h> -#include <asm/arch/hardware.h> +#include <mach/hardware.h> #include <asm/page.h> #include <asm/mach/arch.h> diff --git a/arch/arm/mach-l7200/include/mach/aux_reg.h b/arch/arm/mach-l7200/include/mach/aux_reg.h new file mode 100644 index 000000000000..4671558cdd51 --- /dev/null +++ b/arch/arm/mach-l7200/include/mach/aux_reg.h @@ -0,0 +1,28 @@ +/* + * arch/arm/mach-l7200/include/mach/aux_reg.h + * + * Copyright (C) 2000 Steve Hill (sjhill@cotw.com) + * + * Changelog: + * 08-02-2000 SJH Created file + */ +#ifndef _ASM_ARCH_AUXREG_H +#define _ASM_ARCH_AUXREG_H + +#include <mach/hardware.h> + +#define l7200aux_reg *((volatile unsigned int *) (AUX_BASE)) + +/* + * Auxillary register values + */ +#define AUX_CLEAR 0x00000000 +#define AUX_DIAG_LED_ON 0x00000002 +#define AUX_RTS_UART1 0x00000004 +#define AUX_DTR_UART1 0x00000008 +#define AUX_KBD_COLUMN_12_HIGH 0x00000010 +#define AUX_KBD_COLUMN_12_OFF 0x00000020 +#define AUX_KBD_COLUMN_13_HIGH 0x00000040 +#define AUX_KBD_COLUMN_13_OFF 0x00000080 + +#endif diff --git a/arch/arm/mach-l7200/include/mach/debug-macro.S b/arch/arm/mach-l7200/include/mach/debug-macro.S new file mode 100644 index 000000000000..34eed2a63e69 --- /dev/null +++ b/arch/arm/mach-l7200/include/mach/debug-macro.S @@ -0,0 +1,40 @@ +/* arch/arm/mach-l7200/include/mach/debug-macro.S + * + * Debugging macro include header + * + * Copyright (C) 1994-1999 Russell King + * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * +*/ + + .equ io_virt, IO_BASE + .equ io_phys, IO_START + + .macro addruart,rx + mrc p15, 0, \rx, c1, c0 + tst \rx, #1 @ MMU enabled? + moveq \rx, #io_phys @ physical base address + movne \rx, #io_virt @ virtual address + add \rx, \rx, #0x00044000 @ UART1 +@ add \rx, \rx, #0x00045000 @ UART2 + .endm + + .macro senduart,rd,rx + str \rd, [\rx, #0x0] @ UARTDR + .endm + + .macro waituart,rd,rx +1001: ldr \rd, [\rx, #0x18] @ UARTFLG + tst \rd, #1 << 5 @ UARTFLGUTXFF - 1 when full + bne 1001b + .endm + + .macro busyuart,rd,rx +1001: ldr \rd, [\rx, #0x18] @ UARTFLG + tst \rd, #1 << 3 @ UARTFLGUBUSY - 1 when busy + bne 1001b + .endm diff --git a/arch/arm/mach-l7200/include/mach/dma.h b/arch/arm/mach-l7200/include/mach/dma.h new file mode 100644 index 000000000000..c7e48bd4590c --- /dev/null +++ b/arch/arm/mach-l7200/include/mach/dma.h @@ -0,0 +1,23 @@ +/* + * arch/arm/mach-l7200/include/mach/dma.h + * + * Copyright (C) 2000 Steve Hill (sjhill@cotw.com) + * + * Changelog: + * 08-29-2000 SJH Created + */ +#ifndef __ASM_ARCH_DMA_H +#define __ASM_ARCH_DMA_H + +/* DMA is not yet implemented! It should be the same as acorn, copy over.. */ + +/* + * This is the maximum DMA address that can be DMAd to. + * There should not be more than (0xd0000000 - 0xc0000000) + * bytes of RAM. + */ +#define MAX_DMA_ADDRESS 0xd0000000 + +#define DMA_S0 0 + +#endif /* _ASM_ARCH_DMA_H */ diff --git a/arch/arm/mach-l7200/include/mach/entry-macro.S b/arch/arm/mach-l7200/include/mach/entry-macro.S new file mode 100644 index 000000000000..1726d91fc1d3 --- /dev/null +++ b/arch/arm/mach-l7200/include/mach/entry-macro.S @@ -0,0 +1,35 @@ +/* + * arch/arm/mach-l7200/include/mach/entry-macro.S + * + * Low-level IRQ helper macros for L7200-based platforms + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ +#include <mach/hardware.h> + + .equ irq_base_addr, IO_BASE_2 + + .macro disable_fiq + .endm + + .macro get_irqnr_preamble, base, tmp + .endm + + .macro arch_ret_to_user, tmp1, tmp2 + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + mov \irqstat, #irq_base_addr @ Virt addr IRQ regs + add \irqstat, \irqstat, #0x00001000 @ Status reg + ldr \irqstat, [\irqstat, #0] @ get interrupts + mov \irqnr, #0 +1001: tst \irqstat, #1 + addeq \irqnr, \irqnr, #1 + moveq \irqstat, \irqstat, lsr #1 + tsteq \irqnr, #32 + beq 1001b + teq \irqnr, #32 + .endm + diff --git a/arch/arm/mach-l7200/include/mach/gp_timers.h b/arch/arm/mach-l7200/include/mach/gp_timers.h new file mode 100644 index 000000000000..2b7086a26b81 --- /dev/null +++ b/arch/arm/mach-l7200/include/mach/gp_timers.h @@ -0,0 +1,42 @@ +/* + * arch/arm/mach-l7200/include/mach/gp_timers.h + * + * Copyright (C) 2000 Steve Hill (sjhill@cotw.com) + * + * Changelog: + * 07-28-2000 SJH Created file + * 08-02-2000 SJH Used structure for registers + */ +#ifndef _ASM_ARCH_GPTIMERS_H +#define _ASM_ARCH_GPTIMERS_H + +#include <mach/hardware.h> + +/* + * Layout of L7200 general purpose timer registers + */ +struct GPT_Regs { + unsigned int TIMERLOAD; + unsigned int TIMERVALUE; + unsigned int TIMERCONTROL; + unsigned int TIMERCLEAR; +}; + +#define GPT_BASE (IO_BASE_2 + 0x3000) +#define l7200_timer1_regs ((volatile struct GPT_Regs *) (GPT_BASE)) +#define l7200_timer2_regs ((volatile struct GPT_Regs *) (GPT_BASE + 0x20)) + +/* + * General register values + */ +#define GPT_PRESCALE_1 0x00000000 +#define GPT_PRESCALE_16 0x00000004 +#define GPT_PRESCALE_256 0x00000008 +#define GPT_MODE_FREERUN 0x00000000 +#define GPT_MODE_PERIODIC 0x00000040 +#define GPT_ENABLE 0x00000080 +#define GPT_BZTOG 0x00000100 +#define GPT_BZMOD 0x00000200 +#define GPT_LOAD_MASK 0x0000ffff + +#endif diff --git a/arch/arm/mach-l7200/include/mach/gpio.h b/arch/arm/mach-l7200/include/mach/gpio.h new file mode 100644 index 000000000000..c7b0a5d7b8bb --- /dev/null +++ b/arch/arm/mach-l7200/include/mach/gpio.h @@ -0,0 +1,105 @@ +/****************************************************************************/ +/* + * arch/arm/mach-l7200/include/mach/gpio.h + * + * Registers and helper functions for the L7200 Link-Up Systems + * GPIO. + * + * (C) Copyright 2000, S A McConnell (samcconn@cotw.com) + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + */ + +/****************************************************************************/ + +#define GPIO_OFF 0x00005000 /* Offset from IO_START to the GPIO reg's. */ + +/* IO_START and IO_BASE are defined in hardware.h */ + +#define GPIO_START (IO_START_2 + GPIO_OFF) /* Physical addr of the GPIO reg. */ +#define GPIO_BASE (IO_BASE_2 + GPIO_OFF) /* Virtual addr of the GPIO reg. */ + +/* Offsets from the start of the GPIO for all the registers. */ +#define PADR_OFF 0x000 +#define PADDR_OFF 0x004 +#define PASBSR_OFF 0x008 +#define PAEENR_OFF 0x00c +#define PAESNR_OFF 0x010 +#define PAESTR_OFF 0x014 +#define PAIMR_OFF 0x018 +#define PAINT_OFF 0x01c + +#define PBDR_OFF 0x020 +#define PBDDR_OFF 0x024 +#define PBSBSR_OFF 0x028 +#define PBIMR_OFF 0x038 +#define PBINT_OFF 0x03c + +#define PCDR_OFF 0x040 +#define PCDDR_OFF 0x044 +#define PCSBSR_OFF 0x048 +#define PCIMR_OFF 0x058 +#define PCINT_OFF 0x05c + +#define PDDR_OFF 0x060 +#define PDDDR_OFF 0x064 +#define PDSBSR_OFF 0x068 +#define PDEENR_OFF 0x06c +#define PDESNR_OFF 0x070 +#define PDESTR_OFF 0x074 +#define PDIMR_OFF 0x078 +#define PDINT_OFF 0x07c + +#define PEDR_OFF 0x080 +#define PEDDR_OFF 0x084 +#define PESBSR_OFF 0x088 +#define PEEENR_OFF 0x08c +#define PEESNR_OFF 0x090 +#define PEESTR_OFF 0x094 +#define PEIMR_OFF 0x098 +#define PEINT_OFF 0x09c + +/* Define the GPIO registers for use by device drivers and the kernel. */ +#define PADR (*(volatile unsigned long *)(GPIO_BASE+PADR_OFF)) +#define PADDR (*(volatile unsigned long *)(GPIO_BASE+PADDR_OFF)) +#define PASBSR (*(volatile unsigned long *)(GPIO_BASE+PASBSR_OFF)) +#define PAEENR (*(volatile unsigned long *)(GPIO_BASE+PAEENR_OFF)) +#define PAESNR (*(volatile unsigned long *)(GPIO_BASE+PAESNR_OFF)) +#define PAESTR (*(volatile unsigned long *)(GPIO_BASE+PAESTR_OFF)) +#define PAIMR (*(volatile unsigned long *)(GPIO_BASE+PAIMR_OFF)) +#define PAINT (*(volatile unsigned long *)(GPIO_BASE+PAINT_OFF)) + +#define PBDR (*(volatile unsigned long *)(GPIO_BASE+PBDR_OFF)) +#define PBDDR (*(volatile unsigned long *)(GPIO_BASE+PBDDR_OFF)) +#define PBSBSR (*(volatile unsigned long *)(GPIO_BASE+PBSBSR_OFF)) +#define PBIMR (*(volatile unsigned long *)(GPIO_BASE+PBIMR_OFF)) +#define PBINT (*(volatile unsigned long *)(GPIO_BASE+PBINT_OFF)) + +#define PCDR (*(volatile unsigned long *)(GPIO_BASE+PCDR_OFF)) +#define PCDDR (*(volatile unsigned long *)(GPIO_BASE+PCDDR_OFF)) +#define PCSBSR (*(volatile unsigned long *)(GPIO_BASE+PCSBSR_OFF)) +#define PCIMR (*(volatile unsigned long *)(GPIO_BASE+PCIMR_OFF)) +#define PCINT (*(volatile unsigned long *)(GPIO_BASE+PCINT_OFF)) + +#define PDDR (*(volatile unsigned long *)(GPIO_BASE+PDDR_OFF)) +#define PDDDR (*(volatile unsigned long *)(GPIO_BASE+PDDDR_OFF)) +#define PDSBSR (*(volatile unsigned long *)(GPIO_BASE+PDSBSR_OFF)) +#define PDEENR (*(volatile unsigned long *)(GPIO_BASE+PDEENR_OFF)) +#define PDESNR (*(volatile unsigned long *)(GPIO_BASE+PDESNR_OFF)) +#define PDESTR (*(volatile unsigned long *)(GPIO_BASE+PDESTR_OFF)) +#define PDIMR (*(volatile unsigned long *)(GPIO_BASE+PDIMR_OFF)) +#define PDINT (*(volatile unsigned long *)(GPIO_BASE+PDINT_OFF)) + +#define PEDR (*(volatile unsigned long *)(GPIO_BASE+PEDR_OFF)) +#define PEDDR (*(volatile unsigned long *)(GPIO_BASE+PEDDR_OFF)) +#define PESBSR (*(volatile unsigned long *)(GPIO_BASE+PESBSR_OFF)) +#define PEEENR (*(volatile unsigned long *)(GPIO_BASE+PEEENR_OFF)) +#define PEESNR (*(volatile unsigned long *)(GPIO_BASE+PEESNR_OFF)) +#define PEESTR (*(volatile unsigned long *)(GPIO_BASE+PEESTR_OFF)) +#define PEIMR (*(volatile unsigned long *)(GPIO_BASE+PEIMR_OFF)) +#define PEINT (*(volatile unsigned long *)(GPIO_BASE+PEINT_OFF)) + +#define VEE_EN 0x02 +#define BACKLIGHT_EN 0x04 diff --git a/arch/arm/mach-l7200/include/mach/hardware.h b/arch/arm/mach-l7200/include/mach/hardware.h new file mode 100644 index 000000000000..c31909cfc254 --- /dev/null +++ b/arch/arm/mach-l7200/include/mach/hardware.h @@ -0,0 +1,57 @@ +/* + * arch/arm/mach-l7200/include/mach/hardware.h + * + * Copyright (C) 2000 Rob Scott (rscott@mtrob.fdns.net) + * Steve Hill (sjhill@cotw.com) + * + * This file contains the hardware definitions for the + * LinkUp Systems L7200 SOC development board. + * + * Changelog: + * 02-01-2000 RS Created L7200 version, derived from rpc code + * 03-21-2000 SJH Cleaned up file + * 04-21-2000 RS Changed mapping of I/O in virtual space + * 04-25-2000 SJH Removed unused symbols and such + * 05-05-2000 SJH Complete rewrite + * 07-31-2000 SJH Added undocumented debug auxillary port to + * get at last two columns for keyboard driver + */ +#ifndef __ASM_ARCH_HARDWARE_H +#define __ASM_ARCH_HARDWARE_H + +/* Hardware addresses of major areas. + * *_START is the physical address + * *_SIZE is the size of the region + * *_BASE is the virtual address + */ +#define RAM_START 0xf0000000 +#define RAM_SIZE 0x02000000 +#define RAM_BASE 0xc0000000 + +#define IO_START 0x80000000 /* I/O */ +#define IO_SIZE 0x01000000 +#define IO_BASE 0xd0000000 + +#define IO_START_2 0x90000000 /* I/O */ +#define IO_SIZE_2 0x01000000 +#define IO_BASE_2 0xd1000000 + +#define AUX_START 0x1a000000 /* AUX PORT */ +#define AUX_SIZE 0x01000000 +#define AUX_BASE 0xd2000000 + +#define FLASH1_START 0x00000000 /* FLASH BANK 1 */ +#define FLASH1_SIZE 0x01000000 +#define FLASH1_BASE 0xd3000000 + +#define FLASH2_START 0x10000000 /* FLASH BANK 2 */ +#define FLASH2_SIZE 0x01000000 +#define FLASH2_BASE 0xd4000000 + +#define ISA_START 0x20000000 /* ISA */ +#define ISA_SIZE 0x20000000 +#define ISA_BASE 0xe0000000 + +#define PCIO_BASE IO_BASE + +#endif diff --git a/arch/arm/mach-l7200/include/mach/io.h b/arch/arm/mach-l7200/include/mach/io.h new file mode 100644 index 000000000000..d432ba9e5dff --- /dev/null +++ b/arch/arm/mach-l7200/include/mach/io.h @@ -0,0 +1,27 @@ +/* + * arch/arm/mach-l7200/include/mach/io.h + * + * Copyright (C) 2000 Steve Hill (sjhill@cotw.com) + * + * Changelog: + * 03-21-2000 SJH Created from arch/arm/mach-nexuspci/include/mach/io.h + * 08-31-2000 SJH Added in IO functions necessary for new drivers + */ +#ifndef __ASM_ARM_ARCH_IO_H +#define __ASM_ARM_ARCH_IO_H + +#include <mach/hardware.h> + +#define IO_SPACE_LIMIT 0xffffffff + +/* + * There are not real ISA nor PCI buses, so we fake it. + */ +static inline void __iomem *__io(unsigned long addr) +{ + return (void __iomem *)addr; +} +#define __io(a) __io(a) +#define __mem_pci(a) (a) + +#endif diff --git a/arch/arm/mach-l7200/include/mach/irqs.h b/arch/arm/mach-l7200/include/mach/irqs.h new file mode 100644 index 000000000000..7edffd713c5b --- /dev/null +++ b/arch/arm/mach-l7200/include/mach/irqs.h @@ -0,0 +1,56 @@ +/* + * arch/arm/mach-l7200/include/mach/irqs.h + * + * Copyright (C) 2000 Rob Scott (rscott@mtrob.fdns.net) + * Steve Hill (sjhill@cotw.com) + * + * Changelog: + * 01-02-2000 RS Create l7200 version + * 03-28-2000 SJH Removed unused interrupt + * 07-28-2000 SJH Added pseudo-keyboard interrupt + */ + +/* + * NOTE: The second timer (Timer 2) is used as the keyboard + * interrupt when the keyboard driver is enabled. + */ + +#define NR_IRQS 32 + +#define IRQ_STWDOG 0 /* Watchdog timer */ +#define IRQ_PROG 1 /* Programmable interrupt */ +#define IRQ_DEBUG_RX 2 /* Comm Rx debug */ +#define IRQ_DEBUG_TX 3 /* Comm Tx debug */ +#define IRQ_GCTC1 4 /* Timer 1 */ +#define IRQ_GCTC2 5 /* Timer 2 / Keyboard */ +#define IRQ_DMA 6 /* DMA controller */ +#define IRQ_CLCD 7 /* Color LCD controller */ +#define IRQ_SM_RX 8 /* Smart card */ +#define IRQ_SM_TX 9 /* Smart cart */ +#define IRQ_SM_RST 10 /* Smart card */ +#define IRQ_SIB 11 /* Serial Interface Bus */ +#define IRQ_MMC 12 /* MultiMediaCard */ +#define IRQ_SSP1 13 /* Synchronous Serial Port 1 */ +#define IRQ_SSP2 14 /* Synchronous Serial Port 1 */ +#define IRQ_SPI 15 /* SPI slave */ +#define IRQ_UART_1 16 /* UART 1 */ +#define IRQ_UART_2 17 /* UART 2 */ +#define IRQ_IRDA 18 /* IRDA */ +#define IRQ_RTC_TICK 19 /* Real Time Clock tick */ +#define IRQ_RTC_ALARM 20 /* Real Time Clock alarm */ +#define IRQ_GPIO 21 /* General Purpose IO */ +#define IRQ_GPIO_DMA 22 /* General Purpose IO, DMA */ +#define IRQ_M2M 23 /* Memory to memory DMA */ +#define IRQ_RESERVED 24 /* RESERVED, don't use */ +#define IRQ_INTF 25 /* External active low interrupt */ +#define IRQ_INT0 26 /* External active low interrupt */ +#define IRQ_INT1 27 /* External active low interrupt */ +#define IRQ_INT2 28 /* External active low interrupt */ +#define IRQ_UCB1200 29 /* Interrupt generated by UCB1200*/ +#define IRQ_BAT_LO 30 /* Low batery or external power */ +#define IRQ_MEDIA_CHG 31 /* Media change interrupt */ + +/* + * This is the offset of the FIQ "IRQ" numbers + */ +#define FIQ_START 64 diff --git a/arch/arm/mach-l7200/include/mach/memory.h b/arch/arm/mach-l7200/include/mach/memory.h new file mode 100644 index 000000000000..f338cf3ffd93 --- /dev/null +++ b/arch/arm/mach-l7200/include/mach/memory.h @@ -0,0 +1,29 @@ +/* + * arch/arm/mach-l7200/include/mach/memory.h + * + * Copyright (c) 2000 Steve Hill (sjhill@cotw.com) + * Copyright (c) 2000 Rob Scott (rscott@mtrob.fdns.net) + * + * Changelog: + * 03-13-2000 SJH Created + * 04-13-2000 RS Changed bus macros for new addr + * 05-03-2000 SJH Removed bus macros and fixed virt_to_phys macro + */ +#ifndef __ASM_ARCH_MEMORY_H +#define __ASM_ARCH_MEMORY_H + +/* + * Physical DRAM offset on the L7200 SDB. + */ +#define PHYS_OFFSET UL(0xf0000000) + +#define __virt_to_bus(x) __virt_to_phys(x) +#define __bus_to_virt(x) __phys_to_virt(x) + +/* + * Cache flushing area - ROM + */ +#define FLUSH_BASE_PHYS 0x40000000 +#define FLUSH_BASE 0xdf000000 + +#endif diff --git a/arch/arm/mach-l7200/include/mach/pmpcon.h b/arch/arm/mach-l7200/include/mach/pmpcon.h new file mode 100644 index 000000000000..3959871e8361 --- /dev/null +++ b/arch/arm/mach-l7200/include/mach/pmpcon.h @@ -0,0 +1,46 @@ +/****************************************************************************/ +/* + * arch/arm/mach-l7200/include/mach/pmpcon.h + * + * Registers and helper functions for the L7200 Link-Up Systems + * DC/DC converter register. + * + * (C) Copyright 2000, S A McConnell (samcconn@cotw.com) + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + */ + +/****************************************************************************/ + +#define PMPCON_OFF 0x00006000 /* Offset from IO_START_2. */ + +/* IO_START_2 and IO_BASE_2 are defined in hardware.h */ + +#define PMPCON_START (IO_START_2 + PMPCON_OFF) /* Physical address of reg. */ +#define PMPCON_BASE (IO_BASE_2 + PMPCON_OFF) /* Virtual address of reg. */ + + +#define PMPCON (*(volatile unsigned int *)(PMPCON_BASE)) + +#define PWM2_50CYCLE 0x800 +#define CONTRAST 0x9 + +#define PWM1H (CONTRAST) +#define PWM1L (CONTRAST << 4) + +#define PMPCON_VALUE (PWM2_50CYCLE | PWM1L | PWM1H) + +/* PMPCON = 0x811; // too light and fuzzy + * PMPCON = 0x844; + * PMPCON = 0x866; // better color poor depth + * PMPCON = 0x888; // Darker but better depth + * PMPCON = 0x899; // Darker even better depth + * PMPCON = 0x8aa; // too dark even better depth + * PMPCON = 0X8cc; // Way too dark + */ + +/* As CONTRAST value increases the greater the depth perception and + * the darker the colors. + */ diff --git a/arch/arm/mach-l7200/include/mach/pmu.h b/arch/arm/mach-l7200/include/mach/pmu.h new file mode 100644 index 000000000000..a2da7aedf208 --- /dev/null +++ b/arch/arm/mach-l7200/include/mach/pmu.h @@ -0,0 +1,125 @@ +/****************************************************************************/ +/* + * arch/arm/mach-l7200/include/mach/pmu.h + * + * Registers and helper functions for the L7200 Link-Up Systems + * Power Management Unit (PMU). + * + * (C) Copyright 2000, S A McConnell (samcconn@cotw.com) + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + */ + +/****************************************************************************/ + +#define PMU_OFF 0x00050000 /* Offset from IO_START to the PMU registers. */ + +/* IO_START and IO_BASE are defined in hardware.h */ + +#define PMU_START (IO_START + PMU_OFF) /* Physical addr. of the PMU reg. */ +#define PMU_BASE (IO_BASE + PMU_OFF) /* Virtual addr. of the PMU reg. */ + + +/* Define the PMU registers for use by device drivers and the kernel. */ + +typedef struct { + unsigned int CURRENT; /* Current configuration register */ + unsigned int NEXT; /* Next configuration register */ + unsigned int reserved; + unsigned int RUN; /* Run configuration register */ + unsigned int COMM; /* Configuration command register */ + unsigned int SDRAM; /* SDRAM configuration bypass register */ +} pmu_interface; + +#define PMU ((volatile pmu_interface *)(PMU_BASE)) + + +/* Macro's for reading the common register fields. */ + +#define GET_TRANSOP(reg) ((reg >> 25) & 0x03) /* Bits 26-25 */ +#define GET_OSCEN(reg) ((reg >> 16) & 0x01) +#define GET_OSCMUX(reg) ((reg >> 15) & 0x01) +#define GET_PLLMUL(reg) ((reg >> 9) & 0x3f) /* Bits 14-9 */ +#define GET_PLLEN(reg) ((reg >> 8) & 0x01) +#define GET_PLLMUX(reg) ((reg >> 7) & 0x01) +#define GET_BCLK_DIV(reg) ((reg >> 3) & 0x03) /* Bits 4-3 */ +#define GET_SDRB_SEL(reg) ((reg >> 2) & 0x01) +#define GET_SDRF_SEL(reg) ((reg >> 1) & 0x01) +#define GET_FASTBUS(reg) (reg & 0x1) + +/* CFG_NEXT register */ + +#define CFG_NEXT_CLOCKRECOVERY ((PMU->NEXT >> 18) & 0x7f) /* Bits 24-18 */ +#define CFG_NEXT_INTRET ((PMU->NEXT >> 17) & 0x01) +#define CFG_NEXT_SDR_STOP ((PMU->NEXT >> 6) & 0x01) +#define CFG_NEXT_SYSCLKEN ((PMU->NEXT >> 5) & 0x01) + +/* Useful field values that can be used to construct the + * CFG_NEXT and CFG_RUN registers. + */ + +#define TRANSOP_NOP 0<<25 /* NOCHANGE_NOSTALL */ +#define NOCHANGE_STALL 1<<25 +#define CHANGE_NOSTALL 2<<25 +#define CHANGE_STALL 3<<25 + +#define INTRET 1<<17 +#define OSCEN 1<<16 +#define OSCMUX 1<<15 + +/* PLL frequencies */ + +#define PLLMUL_0 0<<9 /* 3.6864 MHz */ +#define PLLMUL_1 1<<9 /* ?????? MHz */ +#define PLLMUL_5 5<<9 /* 18.432 MHz */ +#define PLLMUL_10 10<<9 /* 36.864 MHz */ +#define PLLMUL_18 18<<9 /* ?????? MHz */ +#define PLLMUL_20 20<<9 /* 73.728 MHz */ +#define PLLMUL_32 32<<9 /* ?????? MHz */ +#define PLLMUL_35 35<<9 /* 129.024 MHz */ +#define PLLMUL_36 36<<9 /* ?????? MHz */ +#define PLLMUL_39 39<<9 /* ?????? MHz */ +#define PLLMUL_40 40<<9 /* 147.456 MHz */ + +/* Clock recovery times */ + +#define CRCLOCK_1 1<<18 +#define CRCLOCK_2 2<<18 +#define CRCLOCK_4 4<<18 +#define CRCLOCK_8 8<<18 +#define CRCLOCK_16 16<<18 +#define CRCLOCK_32 32<<18 +#define CRCLOCK_63 63<<18 +#define CRCLOCK_127 127<<18 + +#define PLLEN 1<<8 +#define PLLMUX 1<<7 +#define SDR_STOP 1<<6 +#define SYSCLKEN 1<<5 + +#define BCLK_DIV_4 2<<3 +#define BCLK_DIV_2 1<<3 +#define BCLK_DIV_1 0<<3 + +#define SDRB_SEL 1<<2 +#define SDRF_SEL 1<<1 +#define FASTBUS 1<<0 + + +/* CFG_SDRAM */ + +#define SDRREFFQ 1<<0 /* Only if SDRSTOPRQ is not set. */ +#define SDRREFACK 1<<1 /* Read-only */ +#define SDRSTOPRQ 1<<2 /* Only if SDRREFFQ is not set. */ +#define SDRSTOPACK 1<<3 /* Read-only */ +#define PICEN 1<<4 /* Enable Co-procesor */ +#define PICTEST 1<<5 + +#define GET_SDRREFFQ ((PMU->SDRAM >> 0) & 0x01) +#define GET_SDRREFACK ((PMU->SDRAM >> 1) & 0x01) /* Read-only */ +#define GET_SDRSTOPRQ ((PMU->SDRAM >> 2) & 0x01) +#define GET_SDRSTOPACK ((PMU->SDRAM >> 3) & 0x01) /* Read-only */ +#define GET_PICEN ((PMU->SDRAM >> 4) & 0x01) +#define GET_PICTEST ((PMU->SDRAM >> 5) & 0x01) diff --git a/arch/arm/mach-l7200/include/mach/serial.h b/arch/arm/mach-l7200/include/mach/serial.h new file mode 100644 index 000000000000..adc05e5f8378 --- /dev/null +++ b/arch/arm/mach-l7200/include/mach/serial.h @@ -0,0 +1,37 @@ +/* + * arch/arm/mach-l7200/include/mach/serial.h + * + * Copyright (c) 2000 Rob Scott (rscott@mtrob.fdns.net) + * Steve Hill (sjhill@cotw.com) + * + * Changelog: + * 03-20-2000 SJH Created + * 03-26-2000 SJH Added flags for serial ports + * 03-27-2000 SJH Corrected BASE_BAUD value + * 04-14-2000 RS Made register addr dependent on IO_BASE + * 05-03-2000 SJH Complete rewrite + * 05-09-2000 SJH Stripped out architecture specific serial stuff + * and placed it in a separate file + * 07-28-2000 SJH Moved base baud rate variable + */ +#ifndef __ASM_ARCH_SERIAL_H +#define __ASM_ARCH_SERIAL_H + +/* + * This assumes you have a 3.6864 MHz clock for your UART. + */ +#define BASE_BAUD 3686400 + +/* + * Standard COM flags + */ +#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST) + +#define STD_SERIAL_PORT_DEFNS \ + /* MAGIC UART CLK PORT IRQ FLAGS */ \ + { 0, BASE_BAUD, UART1_BASE, IRQ_UART_1, STD_COM_FLAGS }, /* ttyLU0 */ \ + { 0, BASE_BAUD, UART2_BASE, IRQ_UART_2, STD_COM_FLAGS }, /* ttyLU1 */ \ + +#define EXTRA_SERIAL_PORT_DEFNS + +#endif diff --git a/arch/arm/mach-l7200/include/mach/serial_l7200.h b/arch/arm/mach-l7200/include/mach/serial_l7200.h new file mode 100644 index 000000000000..645f1c5e568d --- /dev/null +++ b/arch/arm/mach-l7200/include/mach/serial_l7200.h @@ -0,0 +1,101 @@ +/* + * arch/arm/mach-l7200/include/mach/serial_l7200.h + * + * Copyright (c) 2000 Steven Hill (sjhill@cotw.com) + * + * Changelog: + * 05-09-2000 SJH Created + */ +#ifndef __ASM_ARCH_SERIAL_L7200_H +#define __ASM_ARCH_SERIAL_L7200_H + +#include <mach/memory.h> + +/* + * This assumes you have a 3.6864 MHz clock for your UART. + */ +#define BASE_BAUD 3686400 + +/* + * UART base register addresses + */ +#define UART1_BASE (IO_BASE + 0x00044000) +#define UART2_BASE (IO_BASE + 0x00045000) + +/* + * UART register offsets + */ +#define UARTDR 0x00 /* Tx/Rx data */ +#define RXSTAT 0x04 /* Rx status */ +#define H_UBRLCR 0x08 /* mode register high */ +#define M_UBRLCR 0x0C /* mode reg mid (MSB of baud)*/ +#define L_UBRLCR 0x10 /* mode reg low (LSB of baud)*/ +#define UARTCON 0x14 /* control register */ +#define UARTFLG 0x18 /* flag register */ +#define UARTINTSTAT 0x1C /* FIFO IRQ status register */ +#define UARTINTMASK 0x20 /* FIFO IRQ mask register */ + +/* + * UART baud rate register values + */ +#define BR_110 0x827 +#define BR_1200 0x06e +#define BR_2400 0x05f +#define BR_4800 0x02f +#define BR_9600 0x017 +#define BR_14400 0x00f +#define BR_19200 0x00b +#define BR_38400 0x005 +#define BR_57600 0x003 +#define BR_76800 0x002 +#define BR_115200 0x001 + +/* + * Receiver status register (RXSTAT) mask values + */ +#define RXSTAT_NO_ERR 0x00 /* No error */ +#define RXSTAT_FRM_ERR 0x01 /* Framing error */ +#define RXSTAT_PAR_ERR 0x02 /* Parity error */ +#define RXSTAT_OVR_ERR 0x04 /* Overrun error */ + +/* + * High byte of UART bit rate and line control register (H_UBRLCR) values + */ +#define UBRLCR_BRK 0x01 /* generate break on tx */ +#define UBRLCR_PEN 0x02 /* enable parity */ +#define UBRLCR_PDIS 0x00 /* disable parity */ +#define UBRLCR_EVEN 0x04 /* 1= even parity,0 = odd parity */ +#define UBRLCR_STP2 0x08 /* transmit 2 stop bits */ +#define UBRLCR_FIFO 0x10 /* enable FIFO */ +#define UBRLCR_LEN5 0x60 /* word length5 */ +#define UBRLCR_LEN6 0x40 /* word length6 */ +#define UBRLCR_LEN7 0x20 /* word length7 */ +#define UBRLCR_LEN8 0x00 /* word length8 */ + +/* + * UART control register (UARTCON) values + */ +#define UARTCON_UARTEN 0x01 /* Enable UART */ +#define UARTCON_DMAONERR 0x08 /* Mask RxDmaRq when errors occur */ + +/* + * UART flag register (UARTFLG) mask values + */ +#define UARTFLG_UTXFF 0x20 /* Transmit FIFO full */ +#define UARTFLG_URXFE 0x10 /* Receiver FIFO empty */ +#define UARTFLG_UBUSY 0x08 /* Transmitter busy */ +#define UARTFLG_DCD 0x04 /* Data carrier detect */ +#define UARTFLG_DSR 0x02 /* Data set ready */ +#define UARTFLG_CTS 0x01 /* Clear to send */ + +/* + * UART interrupt status/clear registers (UARTINTSTAT/CLR) values + */ +#define UART_TXINT 0x01 /* TX interrupt */ +#define UART_RXINT 0x02 /* RX interrupt */ +#define UART_RXERRINT 0x04 /* RX error interrupt */ +#define UART_MSINT 0x08 /* Modem Status interrupt */ +#define UART_UDINT 0x10 /* UART Disabled interrupt */ +#define UART_ALLIRQS 0x1f /* All interrupts */ + +#endif diff --git a/arch/arm/mach-l7200/include/mach/sib.h b/arch/arm/mach-l7200/include/mach/sib.h new file mode 100644 index 000000000000..965728712cf3 --- /dev/null +++ b/arch/arm/mach-l7200/include/mach/sib.h @@ -0,0 +1,119 @@ +/****************************************************************************/ +/* + * arch/arm/mach-l7200/include/mach/sib.h + * + * Registers and helper functions for the Serial Interface Bus. + * + * (C) Copyright 2000, S A McConnell (samcconn@cotw.com) + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + */ + +/****************************************************************************/ + +#define SIB_OFF 0x00040000 /* Offset from IO_START to the SIB reg's. */ + +/* IO_START and IO_BASE are defined in hardware.h */ + +#define SIB_START (IO_START + SIB_OFF) /* Physical addr of the SIB reg. */ +#define SIB_BASE (IO_BASE + SIB_OFF) /* Virtual addr of the SIB reg. */ + +/* Offsets from the start of the SIB for all the registers. */ + +/* Define the SIB registers for use by device drivers and the kernel. */ + +typedef struct +{ + unsigned int MCCR; /* SIB Control Register Offset: 0x00 */ + unsigned int RES1; /* Reserved Offset: 0x04 */ + unsigned int MCDR0; /* SIB Data Register 0 Offset: 0x08 */ + unsigned int MCDR1; /* SIB Data Register 1 Offset: 0x0c */ + unsigned int MCDR2; /* SIB Data Register 2 (UCB1x00) Offset: 0x10 */ + unsigned int RES2; /* Reserved Offset: 0x14 */ + unsigned int MCSR; /* SIB Status Register Offset: 0x18 */ +} SIB_Interface; + +#define SIB ((volatile SIB_Interface *) (SIB_BASE)) + +/* MCCR */ + +#define INTERNAL_FREQ 9216000 /* Hertz */ +#define AUDIO_FREQ 5000 /* Hertz */ +#define TELECOM_FREQ 5000 /* Hertz */ + +#define AUDIO_DIVIDE (INTERNAL_FREQ / (32 * AUDIO_FREQ)) +#define TELECOM_DIVIDE (INTERNAL_FREQ / (32 * TELECOM_FREQ)) + +#define MCCR_ASD57 AUDIO_DIVIDE +#define MCCR_TSD57 (TELECOM_DIVIDE << 8) +#define MCCR_MCE (1 << 16) /* SIB enable */ +#define MCCR_ECS (1 << 17) /* External Clock Select */ +#define MCCR_ADM (1 << 18) /* A/D Data Sampling */ +#define MCCR_PMC (1 << 26) /* PIN Multiplexer Control */ + + +#define GET_ASD ((SIB->MCCR >> 0) & 0x3f) /* Audio Sample Rate Div. */ +#define GET_TSD ((SIB->MCCR >> 8) & 0x3f) /* Telcom Sample Rate Div. */ +#define GET_MCE ((SIB->MCCR >> 16) & 0x01) /* SIB Enable */ +#define GET_ECS ((SIB->MCCR >> 17) & 0x01) /* External Clock Select */ +#define GET_ADM ((SIB->MCCR >> 18) & 0x01) /* A/D Data Sampling Mode */ +#define GET_TTM ((SIB->MCCR >> 19) & 0x01) /* Telco Trans. FIFO I mask */ +#define GET_TRM ((SIB->MCCR >> 20) & 0x01) /* Telco Recv. FIFO I mask */ +#define GET_ATM ((SIB->MCCR >> 21) & 0x01) /* Audio Trans. FIFO I mask */ +#define GET_ARM ((SIB->MCCR >> 22) & 0x01) /* Audio Recv. FIFO I mask */ +#define GET_LBM ((SIB->MCCR >> 23) & 0x01) /* Loop Back Mode */ +#define GET_ECP ((SIB->MCCR >> 24) & 0x03) /* Extern. Clck Prescale sel */ +#define GET_PMC ((SIB->MCCR >> 26) & 0x01) /* PIN Multiplexer Control */ +#define GET_ERI ((SIB->MCCR >> 27) & 0x01) /* External Read Interrupt */ +#define GET_EWI ((SIB->MCCR >> 28) & 0x01) /* External Write Interrupt */ + +/* MCDR0 */ + +#define AUDIO_RECV ((SIB->MCDR0 >> 4) & 0xfff) +#define AUDIO_WRITE(v) ((SIB->MCDR0 = (v & 0xfff) << 4)) + +/* MCDR1 */ + +#define TELECOM_RECV ((SIB->MCDR1 >> 2) & 032fff) +#define TELECOM_WRITE(v) ((SIB->MCDR1 = (v & 0x3fff) << 2)) + + +/* MCSR */ + +#define MCSR_ATU (1 << 4) /* Audio Transmit FIFO Underrun */ +#define MCSR_ARO (1 << 5) /* Audio Receive FIFO Underrun */ +#define MCSR_TTU (1 << 6) /* TELECOM Transmit FIFO Underrun */ +#define MCSR_TRO (1 << 7) /* TELECOM Receive FIFO Underrun */ + +#define MCSR_CLEAR_UNDERUN_BITS (MCSR_ATU | MCSR_ARO | MCSR_TTU | MCSR_TRO) + + +#define GET_ATS ((SIB->MCSR >> 0) & 0x01) /* Audio Transmit FIFO Service Req*/ +#define GET_ARS ((SIB->MCSR >> 1) & 0x01) /* Audio Recv FIFO Service Request*/ +#define GET_TTS ((SIB->MCSR >> 2) & 0x01) /* TELECOM Transmit FIFO Flag */ +#define GET_TRS ((SIB->MCSR >> 3) & 0x01) /* TELECOM Recv FIFO Service Req. */ +#define GET_ATU ((SIB->MCSR >> 4) & 0x01) /* Audio Transmit FIFO Underrun */ +#define GET_ARO ((SIB->MCSR >> 5) & 0x01) /* Audio Receive FIFO Underrun */ +#define GET_TTU ((SIB->MCSR >> 6) & 0x01) /* TELECOM Transmit FIFO Underrun */ +#define GET_TRO ((SIB->MCSR >> 7) & 0x01) /* TELECOM Receive FIFO Underrun */ +#define GET_ANF ((SIB->MCSR >> 8) & 0x01) /* Audio Transmit FIFO not full */ +#define GET_ANE ((SIB->MCSR >> 9) & 0x01) /* Audio Receive FIFO not empty */ +#define GET_TNF ((SIB->MCSR >> 10) & 0x01) /* Telecom Transmit FIFO not full */ +#define GET_TNE ((SIB->MCSR >> 11) & 0x01) /* Telecom Receive FIFO not empty */ +#define GET_CWC ((SIB->MCSR >> 12) & 0x01) /* Codec Write Complete */ +#define GET_CRC ((SIB->MCSR >> 13) & 0x01) /* Codec Read Complete */ +#define GET_ACE ((SIB->MCSR >> 14) & 0x01) /* Audio Codec Enabled */ +#define GET_TCE ((SIB->MCSR >> 15) & 0x01) /* Telecom Codec Enabled */ + +/* MCDR2 */ + +#define MCDR2_rW (1 << 16) + +#define WRITE_MCDR2(reg, data) (SIB->MCDR2 =((reg<<17)|MCDR2_rW|(data&0xffff))) +#define MCDR2_WRITE_COMPLETE GET_CWC + +#define INITIATE_MCDR2_READ(reg) (SIB->MCDR2 = (reg << 17)) +#define MCDR2_READ_COMPLETE GET_CRC +#define MCDR2_READ (SIB->MCDR2 & 0xffff) diff --git a/arch/arm/mach-l7200/include/mach/sys-clock.h b/arch/arm/mach-l7200/include/mach/sys-clock.h new file mode 100644 index 000000000000..2d7722be60ea --- /dev/null +++ b/arch/arm/mach-l7200/include/mach/sys-clock.h @@ -0,0 +1,67 @@ +/****************************************************************************/ +/* + * arch/arm/mach-l7200/include/mach/sys-clock.h + * + * Registers and helper functions for the L7200 Link-Up Systems + * System clocks. + * + * (C) Copyright 2000, S A McConnell (samcconn@cotw.com) + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + */ + +/****************************************************************************/ + +#define SYS_CLOCK_OFF 0x00050030 /* Offset from IO_START. */ + +/* IO_START and IO_BASE are defined in hardware.h */ + +#define SYS_CLOCK_START (IO_START + SYS_CLCOK_OFF) /* Physical address */ +#define SYS_CLOCK_BASE (IO_BASE + SYS_CLOCK_OFF) /* Virtual address */ + +/* Define the interface to the SYS_CLOCK */ + +typedef struct +{ + unsigned int ENABLE; + unsigned int ESYNC; + unsigned int SELECT; +} sys_clock_interface; + +#define SYS_CLOCK ((volatile sys_clock_interface *)(SYS_CLOCK_BASE)) + +//#define CLOCK_EN (*(volatile unsigned long *)(PMU_BASE+CLOCK_EN_OFF)) +//#define CLOCK_ESYNC (*(volatile unsigned long *)(PMU_BASE+CLOCK_ESYNC_OFF)) +//#define CLOCK_SEL (*(volatile unsigned long *)(PMU_BASE+CLOCK_SEL_OFF)) + +/* SYS_CLOCK -> ENABLE */ + +#define SYN_EN 1<<0 +#define B18M_EN 1<<1 +#define CLK3M6_EN 1<<2 +#define BUART_EN 1<<3 +#define CLK18MU_EN 1<<4 +#define FIR_EN 1<<5 +#define MIRN_EN 1<<6 +#define UARTM_EN 1<<7 +#define SIBADC_EN 1<<8 +#define ALTD_EN 1<<9 +#define CLCLK_EN 1<<10 + +/* SYS_CLOCK -> SELECT */ + +#define CLK18M_DIV 1<<0 +#define MIR_SEL 1<<1 +#define SSP_SEL 1<<4 +#define MM_DIV 1<<5 +#define MM_SEL 1<<6 +#define ADC_SEL_2 0<<7 +#define ADC_SEL_4 1<<7 +#define ADC_SEL_8 3<<7 +#define ADC_SEL_16 7<<7 +#define ADC_SEL_32 0x0f<<7 +#define ADC_SEL_64 0x1f<<7 +#define ADC_SEL_128 0x3f<<7 +#define ALTD_SEL 1<<13 diff --git a/arch/arm/mach-l7200/include/mach/system.h b/arch/arm/mach-l7200/include/mach/system.h new file mode 100644 index 000000000000..5272abee0d0e --- /dev/null +++ b/arch/arm/mach-l7200/include/mach/system.h @@ -0,0 +1,29 @@ +/* + * arch/arm/mach-l7200/include/mach/system.h + * + * Copyright (c) 2000 Steve Hill (sjhill@cotw.com) + * + * Changelog + * 03-21-2000 SJH Created + * 04-26-2000 SJH Fixed functions + * 05-03-2000 SJH Removed usage of obsolete 'iomd.h' + * 05-31-2000 SJH Properly implemented 'arch_idle' + */ +#ifndef __ASM_ARCH_SYSTEM_H +#define __ASM_ARCH_SYSTEM_H + +#include <mach/hardware.h> + +static inline void arch_idle(void) +{ + *(unsigned long *)(IO_BASE + 0x50004) = 1; /* idle mode */ +} + +static inline void arch_reset(char mode) +{ + if (mode == 's') { + cpu_reset(0); + } +} + +#endif diff --git a/arch/arm/mach-l7200/include/mach/time.h b/arch/arm/mach-l7200/include/mach/time.h new file mode 100644 index 000000000000..061771c2c2bd --- /dev/null +++ b/arch/arm/mach-l7200/include/mach/time.h @@ -0,0 +1,73 @@ +/* + * arch/arm/mach-l7200/include/mach/time.h + * + * Copyright (C) 2000 Rob Scott (rscott@mtrob.fdns.net) + * Steve Hill (sjhill@cotw.com) + * + * Changelog: + * 01-02-2000 RS Created l7200 version, derived from rpc code + * 05-03-2000 SJH Complete rewrite + */ +#ifndef _ASM_ARCH_TIME_H +#define _ASM_ARCH_TIME_H + +#include <mach/irqs.h> + +/* + * RTC base register address + */ +#define RTC_BASE (IO_BASE_2 + 0x2000) + +/* + * RTC registers + */ +#define RTC_RTCDR (*(volatile unsigned char *) (RTC_BASE + 0x000)) +#define RTC_RTCMR (*(volatile unsigned char *) (RTC_BASE + 0x004)) +#define RTC_RTCS (*(volatile unsigned char *) (RTC_BASE + 0x008)) +#define RTC_RTCC (*(volatile unsigned char *) (RTC_BASE + 0x008)) +#define RTC_RTCDV (*(volatile unsigned char *) (RTC_BASE + 0x00c)) +#define RTC_RTCCR (*(volatile unsigned char *) (RTC_BASE + 0x010)) + +/* + * RTCCR register values + */ +#define RTC_RATE_32 0x00 /* 32 Hz tick */ +#define RTC_RATE_64 0x10 /* 64 Hz tick */ +#define RTC_RATE_128 0x20 /* 128 Hz tick */ +#define RTC_RATE_256 0x30 /* 256 Hz tick */ +#define RTC_EN_ALARM 0x01 /* Enable alarm */ +#define RTC_EN_TIC 0x04 /* Enable counter */ +#define RTC_EN_STWDOG 0x08 /* Enable watchdog */ + +/* + * Handler for RTC timer interrupt + */ +static irqreturn_t +timer_interrupt(int irq, void *dev_id) +{ + struct pt_regs *regs = get_irq_regs(); + do_timer(1); +#ifndef CONFIG_SMP + update_process_times(user_mode(regs)); +#endif + do_profile(regs); + RTC_RTCC = 0; /* Clear interrupt */ + + return IRQ_HANDLED; +} + +/* + * Set up RTC timer interrupt, and return the current time in seconds. + */ +void __init time_init(void) +{ + RTC_RTCC = 0; /* Clear interrupt */ + + timer_irq.handler = timer_interrupt; + + setup_irq(IRQ_RTC_TICK, &timer_irq); + + RTC_RTCCR = RTC_RATE_128 | RTC_EN_TIC; /* Set rate and enable timer */ +} + +#endif diff --git a/arch/arm/mach-l7200/include/mach/timex.h b/arch/arm/mach-l7200/include/mach/timex.h new file mode 100644 index 000000000000..ffc96a63b5a2 --- /dev/null +++ b/arch/arm/mach-l7200/include/mach/timex.h @@ -0,0 +1,20 @@ +/* + * arch/arm/mach-l7200/include/mach/timex.h + * + * Copyright (C) 2000 Rob Scott (rscott@mtrob.fdns.net) + * Steve Hill (sjhill@cotw.com) + * + * 04-21-2000 RS Created file + * 05-03-2000 SJH Tick rate was wrong + * + */ + +/* + * On the ARM720T, clock ticks are set to 128 Hz. + * + * NOTE: The actual RTC value is set in 'time.h' which + * must be changed when choosing a different tick + * rate. The value of HZ in 'param.h' must also + * be changed to match below. + */ +#define CLOCK_TICK_RATE 128 diff --git a/arch/arm/mach-l7200/include/mach/uncompress.h b/arch/arm/mach-l7200/include/mach/uncompress.h new file mode 100644 index 000000000000..591c962bb315 --- /dev/null +++ b/arch/arm/mach-l7200/include/mach/uncompress.h @@ -0,0 +1,39 @@ +/* + * arch/arm/mach-l7200/include/mach/uncompress.h + * + * Copyright (C) 2000 Steve Hill (sjhill@cotw.com) + * + * Changelog: + * 05-01-2000 SJH Created + * 05-13-2000 SJH Filled in function bodies + * 07-26-2000 SJH Removed hard coded baud rate + */ + +#include <mach/hardware.h> + +#define IO_UART IO_START + 0x00044000 + +#define __raw_writeb(v,p) (*(volatile unsigned char *)(p) = (v)) +#define __raw_readb(p) (*(volatile unsigned char *)(p)) + +static inline void putc(int c) +{ + while(__raw_readb(IO_UART + 0x18) & 0x20 || + __raw_readb(IO_UART + 0x18) & 0x08) + barrier(); + + __raw_writeb(c, IO_UART + 0x00); +} + +static inline void flush(void) +{ +} + +static __inline__ void arch_decomp_setup(void) +{ + __raw_writeb(0x00, IO_UART + 0x08); /* Set HSB */ + __raw_writeb(0x00, IO_UART + 0x20); /* Disable IRQs */ + __raw_writeb(0x01, IO_UART + 0x14); /* Enable UART */ +} + +#define arch_decomp_wdog() diff --git a/arch/arm/mach-l7200/include/mach/vmalloc.h b/arch/arm/mach-l7200/include/mach/vmalloc.h new file mode 100644 index 000000000000..85f0abbf15f1 --- /dev/null +++ b/arch/arm/mach-l7200/include/mach/vmalloc.h @@ -0,0 +1,4 @@ +/* + * arch/arm/mach-l7200/include/mach/vmalloc.h + */ +#define VMALLOC_END (PAGE_OFFSET + 0x10000000) |