diff options
Diffstat (limited to 'arch/arm/mach-nomadik')
| -rw-r--r-- | arch/arm/mach-nomadik/Kconfig | 10 | ||||
| -rw-r--r-- | arch/arm/mach-nomadik/Makefile | 6 | ||||
| -rw-r--r-- | arch/arm/mach-nomadik/board-nhk8815.c | 353 | ||||
| -rw-r--r-- | arch/arm/mach-nomadik/cpu-8815.c | 358 | ||||
| -rw-r--r-- | arch/arm/mach-nomadik/cpu-8815.h | 4 | ||||
| -rw-r--r-- | arch/arm/mach-nomadik/i2c-8815nhk.c | 88 | ||||
| -rw-r--r-- | arch/arm/mach-nomadik/include/mach/hardware.h | 90 | ||||
| -rw-r--r-- | arch/arm/mach-nomadik/include/mach/irqs.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-nomadik/include/mach/uncompress.h | 1 |
9 files changed, 266 insertions, 646 deletions
diff --git a/arch/arm/mach-nomadik/Kconfig b/arch/arm/mach-nomadik/Kconfig index 706dc5727bbe..82226a5d60ef 100644 --- a/arch/arm/mach-nomadik/Kconfig +++ b/arch/arm/mach-nomadik/Kconfig @@ -4,19 +4,13 @@ menu "Nomadik boards" config MACH_NOMADIK_8815NHK bool "ST 8815 Nomadik Hardware Kit (evaluation board)" - select CLKSRC_NOMADIK_MTU select NOMADIK_8815 + select I2C + select I2C_ALGOBIT endmenu config NOMADIK_8815 bool -config I2C_BITBANG_8815NHK - tristate "Driver for bit-bang busses found on the 8815 NHK" - depends on I2C && MACH_NOMADIK_8815NHK - depends on PINCTRL_NOMADIK - default y - select I2C_ALGOBIT - endif diff --git a/arch/arm/mach-nomadik/Makefile b/arch/arm/mach-nomadik/Makefile index a42c9a33d3bf..1071c3b04d1a 100644 --- a/arch/arm/mach-nomadik/Makefile +++ b/arch/arm/mach-nomadik/Makefile @@ -9,9 +9,3 @@ # Cpu revision obj-$(CONFIG_NOMADIK_8815) += cpu-8815.o - -# Specific board support -obj-$(CONFIG_MACH_NOMADIK_8815NHK) += board-nhk8815.o - -# Nomadik extra devices -obj-$(CONFIG_I2C_BITBANG_8815NHK) += i2c-8815nhk.o diff --git a/arch/arm/mach-nomadik/board-nhk8815.c b/arch/arm/mach-nomadik/board-nhk8815.c deleted file mode 100644 index aaed48d94374..000000000000 --- a/arch/arm/mach-nomadik/board-nhk8815.c +++ /dev/null @@ -1,353 +0,0 @@ -/* - * linux/arch/arm/mach-nomadik/board-8815nhk.c - * - * Copyright (C) STMicroelectronics - * - * 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. - * - * NHK15 board specifc driver definition - */ -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/amba/bus.h> -#include <linux/amba/mmci.h> -#include <linux/interrupt.h> -#include <linux/gpio.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/nand.h> -#include <linux/mtd/fsmc.h> -#include <linux/mtd/onenand.h> -#include <linux/mtd/partitions.h> -#include <linux/i2c.h> -#include <linux/io.h> -#include <linux/pinctrl/machine.h> -#include <linux/platform_data/pinctrl-nomadik.h> -#include <linux/platform_data/clocksource-nomadik-mtu.h> -#include <asm/sizes.h> -#include <asm/mach-types.h> -#include <asm/mach/arch.h> -#include <asm/mach/flash.h> -#include <asm/mach/time.h> -#include <mach/irqs.h> - -#include "cpu-8815.h" - -/* Initial value for SRC control register: all timers use MXTAL/8 source */ -#define SRC_CR_INIT_MASK 0x00007fff -#define SRC_CR_INIT_VAL 0x2aaa8000 - -#define ALE_OFF 0x1000000 -#define CLE_OFF 0x800000 - -/* These addresses span 16MB, so use three individual pages */ -static struct resource nhk8815_nand_resources[] = { - { - .name = "nand_data", - .start = 0x40000000, - .end = 0x40000000 + SZ_16K - 1, - .flags = IORESOURCE_MEM, - }, { - .name = "nand_addr", - .start = 0x40000000 + ALE_OFF, - .end = 0x40000000 +ALE_OFF + SZ_16K - 1, - .flags = IORESOURCE_MEM, - }, { - .name = "nand_cmd", - .start = 0x40000000 + CLE_OFF, - .end = 0x40000000 + CLE_OFF + SZ_16K - 1, - .flags = IORESOURCE_MEM, - }, { - .name = "fsmc_regs", - .start = NOMADIK_FSMC_BASE, - .end = NOMADIK_FSMC_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, -}; - -/* - * These partitions are the same as those used in the 2.6.20 release - * shipped by the vendor; the first two partitions are mandated - * by the boot ROM, and the bootloader area is somehow oversized... - */ -static struct mtd_partition nhk8815_partitions[] = { - { - .name = "X-Loader(NAND)", - .offset = 0, - .size = SZ_256K, - }, { - .name = "MemInit(NAND)", - .offset = MTDPART_OFS_APPEND, - .size = SZ_256K, - }, { - .name = "BootLoader(NAND)", - .offset = MTDPART_OFS_APPEND, - .size = SZ_2M, - }, { - .name = "Kernel zImage(NAND)", - .offset = MTDPART_OFS_APPEND, - .size = 3 * SZ_1M, - }, { - .name = "Root Filesystem(NAND)", - .offset = MTDPART_OFS_APPEND, - .size = 22 * SZ_1M, - }, { - .name = "User Filesystem(NAND)", - .offset = MTDPART_OFS_APPEND, - .size = MTDPART_SIZ_FULL, - } -}; - -static struct fsmc_nand_timings nhk8815_nand_timings = { - .thiz = 0, - .thold = 0x10, - .twait = 0x0A, - .tset = 0, -}; - -static struct fsmc_nand_platform_data nhk8815_nand_platform_data = { - .nand_timings = &nhk8815_nand_timings, - .partitions = nhk8815_partitions, - .nr_partitions = ARRAY_SIZE(nhk8815_partitions), - .width = FSMC_NAND_BW8, -}; - -static struct platform_device nhk8815_nand_device = { - .name = "fsmc-nand", - .id = -1, - .resource = nhk8815_nand_resources, - .num_resources = ARRAY_SIZE(nhk8815_nand_resources), - .dev = { - .platform_data = &nhk8815_nand_platform_data, - }, -}; - -/* These are the partitions for the OneNand device, different from above */ -static struct mtd_partition nhk8815_onenand_partitions[] = { - { - .name = "X-Loader(OneNAND)", - .offset = 0, - .size = SZ_256K, - }, { - .name = "MemInit(OneNAND)", - .offset = MTDPART_OFS_APPEND, - .size = SZ_256K, - }, { - .name = "BootLoader(OneNAND)", - .offset = MTDPART_OFS_APPEND, - .size = SZ_2M-SZ_256K, - }, { - .name = "SysImage(OneNAND)", - .offset = MTDPART_OFS_APPEND, - .size = 4 * SZ_1M, - }, { - .name = "Root Filesystem(OneNAND)", - .offset = MTDPART_OFS_APPEND, - .size = 22 * SZ_1M, - }, { - .name = "User Filesystem(OneNAND)", - .offset = MTDPART_OFS_APPEND, - .size = MTDPART_SIZ_FULL, - } -}; - -static struct onenand_platform_data nhk8815_onenand_data = { - .parts = nhk8815_onenand_partitions, - .nr_parts = ARRAY_SIZE(nhk8815_onenand_partitions), -}; - -static struct resource nhk8815_onenand_resource[] = { - { - .start = 0x30000000, - .end = 0x30000000 + SZ_128K - 1, - .flags = IORESOURCE_MEM, - }, -}; - -static struct platform_device nhk8815_onenand_device = { - .name = "onenand-flash", - .id = -1, - .dev = { - .platform_data = &nhk8815_onenand_data, - }, - .resource = nhk8815_onenand_resource, - .num_resources = ARRAY_SIZE(nhk8815_onenand_resource), -}; - -/* bus control reg. and bus timing reg. for CS0..CS3 */ -#define FSMC_BCR(x) (NOMADIK_FSMC_VA + (x << 3)) -#define FSMC_BTR(x) (NOMADIK_FSMC_VA + (x << 3) + 0x04) - -static void __init nhk8815_onenand_init(void) -{ -#ifdef CONFIG_MTD_ONENAND - /* Set up SMCS0 for OneNand */ - writel(0x000030db, FSMC_BCR(0)); - writel(0x02100551, FSMC_BTR(0)); -#endif -} - -static struct mmci_platform_data mmcsd_plat_data = { - .ocr_mask = MMC_VDD_29_30, - .f_max = 48000000, - .gpio_wp = -1, - .gpio_cd = 111, - .cd_invert = true, - .capabilities = MMC_CAP_MMC_HIGHSPEED | - MMC_CAP_SD_HIGHSPEED | MMC_CAP_4_BIT_DATA, -}; - -static int __init nhk8815_mmcsd_init(void) -{ - int ret; - - ret = gpio_request(112, "card detect bias"); - if (ret) - return ret; - gpio_direction_output(112, 0); - amba_apb_device_add(NULL, "mmci", NOMADIK_SDI_BASE, SZ_4K, IRQ_SDMMC, 0, &mmcsd_plat_data, 0x10180180); - return 0; -} -module_init(nhk8815_mmcsd_init); - -static struct resource nhk8815_eth_resources[] = { - { - .name = "smc91x-regs", - .start = 0x34000000 + 0x300, - .end = 0x34000000 + SZ_64K - 1, - .flags = IORESOURCE_MEM, - }, { - .start = NOMADIK_GPIO_TO_IRQ(115), - .end = NOMADIK_GPIO_TO_IRQ(115), - .flags = IORESOURCE_IRQ | IRQF_TRIGGER_RISING, - } -}; - -static struct platform_device nhk8815_eth_device = { - .name = "smc91x", - .resource = nhk8815_eth_resources, - .num_resources = ARRAY_SIZE(nhk8815_eth_resources), -}; - -static int __init nhk8815_eth_init(void) -{ - int gpio_nr = 115; /* hardwired in the board */ - int err; - - err = gpio_request(gpio_nr, "eth_irq"); - if (!err) err = nmk_gpio_set_mode(gpio_nr, NMK_GPIO_ALT_GPIO); - if (!err) err = gpio_direction_input(gpio_nr); - if (err) - pr_err("Error %i in %s\n", err, __func__); - return err; -} -device_initcall(nhk8815_eth_init); - -static struct platform_device *nhk8815_platform_devices[] __initdata = { - &nhk8815_nand_device, - &nhk8815_onenand_device, - &nhk8815_eth_device, - /* will add more devices */ -}; - -static void __init nomadik_timer_init(void) -{ - u32 src_cr; - - /* Configure timer sources in "system reset controller" ctrl reg */ - src_cr = readl(io_p2v(NOMADIK_SRC_BASE)); - src_cr &= SRC_CR_INIT_MASK; - src_cr |= SRC_CR_INIT_VAL; - writel(src_cr, io_p2v(NOMADIK_SRC_BASE)); - - nmdk_timer_init(io_p2v(NOMADIK_MTU0_BASE), IRQ_MTU0); -} - -static struct i2c_board_info __initdata nhk8815_i2c0_devices[] = { - { - I2C_BOARD_INFO("stw4811", 0x2d), - }, -}; - -static struct i2c_board_info __initdata nhk8815_i2c1_devices[] = { - { - I2C_BOARD_INFO("camera", 0x10), - }, - { - I2C_BOARD_INFO("stw5095", 0x1a), - }, - { - I2C_BOARD_INFO("lis3lv02dl", 0x1d), - }, -}; - -static struct i2c_board_info __initdata nhk8815_i2c2_devices[] = { - { - I2C_BOARD_INFO("stw4811-usb", 0x2d), - }, -}; - -static unsigned long out_low[] = { PIN_OUTPUT_LOW }; -static unsigned long out_high[] = { PIN_OUTPUT_HIGH }; -static unsigned long in_nopull[] = { PIN_INPUT_NOPULL }; -static unsigned long in_pullup[] = { PIN_INPUT_PULLUP }; - -static struct pinctrl_map __initdata nhk8815_pinmap[] = { - PIN_MAP_MUX_GROUP_DEFAULT("uart0", "pinctrl-stn8815", "u0_a_1", "u0"), - PIN_MAP_MUX_GROUP_DEFAULT("uart1", "pinctrl-stn8815", "u1_a_1", "u1"), - /* Hog in MMC/SD card mux */ - PIN_MAP_MUX_GROUP_HOG_DEFAULT("pinctrl-stn8815", "mmcsd_a_1", "mmcsd"), - /* MCCLK */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO8_B10", out_low), - /* MCCMD */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO9_A10", in_pullup), - /* MCCMDDIR */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO10_C11", out_high), - /* MCDAT3-0 */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO11_B11", in_pullup), - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO12_A11", in_pullup), - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO13_C12", in_pullup), - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO14_B12", in_pullup), - /* MCDAT0DIR */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO15_A12", out_high), - /* MCDAT31DIR */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO16_C13", out_high), - /* MCMSFBCLK */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO24_C15", in_pullup), - /* CD input GPIO */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO111_H21", in_nopull), - /* CD bias drive */ - PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO112_J21", out_low), -}; - -static void __init nhk8815_platform_init(void) -{ - pinctrl_register_mappings(nhk8815_pinmap, ARRAY_SIZE(nhk8815_pinmap)); - cpu8815_platform_init(); - nhk8815_onenand_init(); - platform_add_devices(nhk8815_platform_devices, - ARRAY_SIZE(nhk8815_platform_devices)); - - amba_apb_device_add(NULL, "uart0", NOMADIK_UART0_BASE, SZ_4K, IRQ_UART0, 0, NULL, 0); - amba_apb_device_add(NULL, "uart1", NOMADIK_UART1_BASE, SZ_4K, IRQ_UART1, 0, NULL, 0); - - i2c_register_board_info(0, nhk8815_i2c0_devices, - ARRAY_SIZE(nhk8815_i2c0_devices)); - i2c_register_board_info(1, nhk8815_i2c1_devices, - ARRAY_SIZE(nhk8815_i2c1_devices)); - i2c_register_board_info(2, nhk8815_i2c2_devices, - ARRAY_SIZE(nhk8815_i2c2_devices)); -} - -MACHINE_START(NOMADIK, "NHK8815") - /* Maintainer: ST MicroElectronics */ - .atag_offset = 0x100, - .map_io = cpu8815_map_io, - .init_irq = cpu8815_init_irq, - .init_time = nomadik_timer_init, - .init_machine = nhk8815_platform_init, - .restart = cpu8815_restart, -MACHINE_END diff --git a/arch/arm/mach-nomadik/cpu-8815.c b/arch/arm/mach-nomadik/cpu-8815.c index 351404673f6c..21c1aa512640 100644 --- a/arch/arm/mach-nomadik/cpu-8815.c +++ b/arch/arm/mach-nomadik/cpu-8815.c @@ -25,138 +25,308 @@ #include <linux/slab.h> #include <linux/irq.h> #include <linux/dma-mapping.h> -#include <linux/irqchip/arm-vic.h> +#include <linux/irqchip.h> #include <linux/platform_data/clk-nomadik.h> #include <linux/platform_data/pinctrl-nomadik.h> +#include <linux/pinctrl/machine.h> +#include <linux/platform_data/clocksource-nomadik-mtu.h> +#include <linux/of_irq.h> +#include <linux/of_gpio.h> +#include <linux/of_address.h> +#include <linux/of_platform.h> +#include <linux/mtd/fsmc.h> +#include <linux/gpio.h> +#include <linux/amba/mmci.h> -#include <mach/hardware.h> #include <mach/irqs.h> +#include <asm/mach/arch.h> #include <asm/mach/map.h> +#include <asm/mach/time.h> +#include <asm/mach-types.h> #include <asm/cacheflush.h> #include <asm/hardware/cache-l2x0.h> -#include "cpu-8815.h" +/* + * These are the only hard-coded address offsets we still have to use. + */ +#define NOMADIK_FSMC_BASE 0x10100000 /* FSMC registers */ +#define NOMADIK_SDRAMC_BASE 0x10110000 /* SDRAM Controller */ +#define NOMADIK_CLCDC_BASE 0x10120000 /* CLCD Controller */ +#define NOMADIK_MDIF_BASE 0x10120000 /* MDIF */ +#define NOMADIK_DMA0_BASE 0x10130000 /* DMA0 Controller */ +#define NOMADIK_IC_BASE 0x10140000 /* Vectored Irq Controller */ +#define NOMADIK_DMA1_BASE 0x10150000 /* DMA1 Controller */ +#define NOMADIK_USB_BASE 0x10170000 /* USB-OTG conf reg base */ +#define NOMADIK_CRYP_BASE 0x10180000 /* Crypto processor */ +#define NOMADIK_SHA1_BASE 0x10190000 /* SHA-1 Processor */ +#define NOMADIK_XTI_BASE 0x101A0000 /* XTI */ +#define NOMADIK_RNG_BASE 0x101B0000 /* Random number generator */ +#define NOMADIK_SRC_BASE 0x101E0000 /* SRC base */ +#define NOMADIK_WDOG_BASE 0x101E1000 /* Watchdog */ +#define NOMADIK_MTU0_BASE 0x101E2000 /* Multiple Timer 0 */ +#define NOMADIK_MTU1_BASE 0x101E3000 /* Multiple Timer 1 */ +#define NOMADIK_GPIO0_BASE 0x101E4000 /* GPIO0 */ +#define NOMADIK_GPIO1_BASE 0x101E5000 /* GPIO1 */ +#define NOMADIK_GPIO2_BASE 0x101E6000 /* GPIO2 */ +#define NOMADIK_GPIO3_BASE 0x101E7000 /* GPIO3 */ +#define NOMADIK_RTC_BASE 0x101E8000 /* Real Time Clock base */ +#define NOMADIK_PMU_BASE 0x101E9000 /* Power Management Unit */ +#define NOMADIK_OWM_BASE 0x101EA000 /* One wire master */ +#define NOMADIK_SCR_BASE 0x101EF000 /* Secure Control registers */ +#define NOMADIK_MSP2_BASE 0x101F0000 /* MSP 2 interface */ +#define NOMADIK_MSP1_BASE 0x101F1000 /* MSP 1 interface */ +#define NOMADIK_UART2_BASE 0x101F2000 /* UART 2 interface */ +#define NOMADIK_SSIRx_BASE 0x101F3000 /* SSI 8-ch rx interface */ +#define NOMADIK_SSITx_BASE 0x101F4000 /* SSI 8-ch tx interface */ +#define NOMADIK_MSHC_BASE 0x101F5000 /* Memory Stick(Pro) Host */ +#define NOMADIK_SDI_BASE 0x101F6000 /* SD-card/MM-Card */ +#define NOMADIK_I2C1_BASE 0x101F7000 /* I2C1 interface */ +#define NOMADIK_I2C0_BASE 0x101F8000 /* I2C0 interface */ +#define NOMADIK_MSP0_BASE 0x101F9000 /* MSP 0 interface */ +#define NOMADIK_FIRDA_BASE 0x101FA000 /* FIrDA interface */ +#define NOMADIK_UART1_BASE 0x101FB000 /* UART 1 interface */ +#define NOMADIK_SSP_BASE 0x101FC000 /* SSP interface */ +#define NOMADIK_UART0_BASE 0x101FD000 /* UART 0 interface */ +#define NOMADIK_SGA_BASE 0x101FE000 /* SGA interface */ +#define NOMADIK_L2CC_BASE 0x10210000 /* L2 Cache controller */ +#define NOMADIK_UART1_VBASE 0xF01FB000 -/* The 8815 has 4 GPIO blocks, let's register them immediately */ -static resource_size_t __initdata cpu8815_gpio_base[] = { - NOMADIK_GPIO0_BASE, - NOMADIK_GPIO1_BASE, - NOMADIK_GPIO2_BASE, - NOMADIK_GPIO3_BASE, +static unsigned long out_low[] = { PIN_OUTPUT_LOW }; +static unsigned long out_high[] = { PIN_OUTPUT_HIGH }; +static unsigned long in_nopull[] = { PIN_INPUT_NOPULL }; +static unsigned long in_pullup[] = { PIN_INPUT_PULLUP }; + +static struct pinctrl_map __initdata nhk8815_pinmap[] = { + PIN_MAP_MUX_GROUP_DEFAULT("uart0", "pinctrl-stn8815", "u0_a_1", "u0"), + PIN_MAP_MUX_GROUP_DEFAULT("uart1", "pinctrl-stn8815", "u1_a_1", "u1"), + /* Hog in MMC/SD card mux */ + PIN_MAP_MUX_GROUP_HOG_DEFAULT("pinctrl-stn8815", "mmcsd_a_1", "mmcsd"), + /* MCCLK */ + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO8_B10", out_low), + /* MCCMD */ + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO9_A10", in_pullup), + /* MCCMDDIR */ + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO10_C11", out_high), + /* MCDAT3-0 */ + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO11_B11", in_pullup), + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO12_A11", in_pullup), + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO13_C12", in_pullup), + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO14_B12", in_pullup), + /* MCDAT0DIR */ + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO15_A12", out_high), + /* MCDAT31DIR */ + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO16_C13", out_high), + /* MCMSFBCLK */ + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO24_C15", in_pullup), + /* CD input GPIO */ + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO111_H21", in_nopull), + /* CD bias drive */ + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO112_J21", out_low), + /* I2C0 */ + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO62_D3", in_pullup), + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO63_D2", in_pullup), + /* I2C1 */ + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO53_L4", in_pullup), + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO54_L3", in_pullup), + /* I2C2 */ + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO73_C21", in_pullup), + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO74_C20", in_pullup), }; -static struct platform_device * -cpu8815_add_gpio(int id, resource_size_t addr, int irq, - struct nmk_gpio_platform_data *pdata) +/* This is needed for LL-debug/earlyprintk/debug-macro.S */ +static struct map_desc cpu8815_io_desc[] __initdata = { + { + .virtual = NOMADIK_UART1_VBASE, + .pfn = __phys_to_pfn(NOMADIK_UART1_BASE), + .length = SZ_4K, + .type = MT_DEVICE, + }, +}; + +static void __init cpu8815_map_io(void) { - struct resource resources[] = { - { - .start = addr, - .end = addr + 127, - .flags = IORESOURCE_MEM, - }, - { - .start = irq, - .end = irq, - .flags = IORESOURCE_IRQ, - } - }; - - return platform_device_register_resndata(NULL, "gpio", id, - resources, ARRAY_SIZE(resources), - pdata, sizeof(*pdata)); + iotable_init(cpu8815_io_desc, ARRAY_SIZE(cpu8815_io_desc)); } -void cpu8815_add_gpios(resource_size_t *base, int num, int irq, - struct nmk_gpio_platform_data *pdata) +static void cpu8815_restart(char mode, const char *cmd) { - int first = 0; - int i; + void __iomem *srcbase = ioremap(NOMADIK_SRC_BASE, SZ_4K); - for (i = 0; i < num; i++, first += 32, irq++) { - pdata->first_gpio = first; - pdata->first_irq = NOMADIK_GPIO_TO_IRQ(first); - pdata->num_gpio = 32; + /* FIXME: use egpio when implemented */ - cpu8815_add_gpio(i, base[i], irq, pdata); - } + /* Write anything to Reset status register */ + writel(1, srcbase + 0x18); } -static inline void -cpu8815_add_pinctrl(struct device *parent, const char *name) +/* Initial value for SRC control register: all timers use MXTAL/8 source */ +#define SRC_CR_INIT_MASK 0x00007fff +#define SRC_CR_INIT_VAL 0x2aaa8000 + +static void __init cpu8815_timer_init_of(void) { - struct platform_device_info pdevinfo = { - .parent = parent, - .name = name, - .id = -1, - }; + struct device_node *mtu; + void __iomem *base; + int irq; + u32 src_cr; + + /* We need this to be up now */ + nomadik_clk_init(); + + mtu = of_find_node_by_path("/mtu0"); + if (!mtu) + return; + base = of_iomap(mtu, 0); + if (WARN_ON(!base)) + return; + irq = irq_of_parse_and_map(mtu, 0); - platform_device_register_full(&pdevinfo); + pr_info("Remapped MTU @ %p, irq: %d\n", base, irq); + + /* Configure timer sources in "system reset controller" ctrl reg */ + src_cr = readl(base); + src_cr &= SRC_CR_INIT_MASK; + src_cr |= SRC_CR_INIT_VAL; + writel(src_cr, base); + + nmdk_timer_init(base, irq); } -static int __init cpu8815_init(void) +static struct fsmc_nand_timings cpu8815_nand_timings = { + .thiz = 0, + .thold = 0x10, + .twait = 0x0A, + .tset = 0, +}; + +static struct fsmc_nand_platform_data cpu8815_nand_data = { + .nand_timings = &cpu8815_nand_timings, +}; + +/* + * The SMSC911x IRQ is connected to a GPIO pin, but the driver expects + * to simply request an IRQ passed as a resource. So the GPIO pin needs + * to be requested by this hog and set as input. + */ +static int __init cpu8815_eth_init(void) { - struct nmk_gpio_platform_data pdata = { - /* No custom data yet */ - }; - - cpu8815_add_gpios(cpu8815_gpio_base, ARRAY_SIZE(cpu8815_gpio_base), - IRQ_GPIO0, &pdata); - cpu8815_add_pinctrl(NULL, "pinctrl-stn8815"); - amba_apb_device_add(NULL, "rng", NOMADIK_RNG_BASE, SZ_4K, 0, 0, NULL, 0); - amba_apb_device_add(NULL, "rtc-pl031", NOMADIK_RTC_BASE, SZ_4K, IRQ_RTC_RTT, 0, NULL, 0); + struct device_node *eth; + int gpio, irq, err; + + eth = of_find_node_by_path("/usb-s8815/ethernet-gpio"); + if (!eth) { + pr_info("could not find any ethernet GPIO\n"); + return 0; + } + gpio = of_get_gpio(eth, 0); + err = gpio_request(gpio, "eth_irq"); + if (err) { + pr_info("failed to request ethernet GPIO\n"); + return -ENODEV; + } + err = gpio_direction_input(gpio); + if (err) { + pr_info("failed to set ethernet GPIO as input\n"); + return -ENODEV; + } + irq = gpio_to_irq(gpio); + pr_info("enabled USB-S8815 ethernet GPIO %d, IRQ %d\n", gpio, irq); return 0; } -arch_initcall(cpu8815_init); +device_initcall(cpu8815_eth_init); -/* All SoC devices live in the same area (see hardware.h) */ -static struct map_desc nomadik_io_desc[] __initdata = { - { - .virtual = NOMADIK_IO_VIRTUAL, - .pfn = __phys_to_pfn(NOMADIK_IO_PHYSICAL), - .length = NOMADIK_IO_SIZE, - .type = MT_DEVICE, - } - /* static ram and secured ram may be added later */ +/* + * TODO: + * cannot be set from device tree, convert to a proper DT + * binding. + */ +static struct mmci_platform_data mmcsd_plat_data = { + .ocr_mask = MMC_VDD_29_30, }; -void __init cpu8815_map_io(void) +/* + * This GPIO pin turns on a line that is used to detect card insertion + * on this board. + */ +static int __init cpu8815_mmcsd_init(void) { - iotable_init(nomadik_io_desc, ARRAY_SIZE(nomadik_io_desc)); -} + struct device_node *cdbias; + int gpio, err; -void __init cpu8815_init_irq(void) -{ - /* This modified VIC cell has two register blocks, at 0 and 0x20 */ - vic_init(io_p2v(NOMADIK_IC_BASE + 0x00), IRQ_VIC_START + 0, ~0, 0); - vic_init(io_p2v(NOMADIK_IC_BASE + 0x20), IRQ_VIC_START + 32, ~0, 0); - - /* - * Init clocks here so that they are available for system timer - * initialization. - */ - nomadik_clk_init(); + cdbias = of_find_node_by_path("/usb-s8815/mmcsd-gpio"); + if (!cdbias) { + pr_info("could not find MMC/SD card detect bias node\n"); + return 0; + } + gpio = of_get_gpio(cdbias, 0); + if (gpio < 0) { + pr_info("could not obtain MMC/SD card detect bias GPIO\n"); + return 0; + } + err = gpio_request(gpio, "card detect bias"); + if (err) { + pr_info("failed to request card detect bias GPIO %d\n", gpio); + return -ENODEV; + } + err = gpio_direction_output(gpio, 0); + if (err){ + pr_info("failed to set GPIO %d as output, low\n", gpio); + return err; + } + pr_info("enabled USB-S8815 CD bias GPIO %d, low\n", gpio); + return 0; } +device_initcall(cpu8815_mmcsd_init); -/* - * This function is called from the board init ("init_machine"). - */ - void __init cpu8815_platform_init(void) + +/* These are mostly to get the right device names for the clock lookups */ +static struct of_dev_auxdata cpu8815_auxdata_lookup[] __initdata = { + OF_DEV_AUXDATA("st,nomadik-gpio", NOMADIK_GPIO0_BASE, + "gpio.0", NULL), + OF_DEV_AUXDATA("st,nomadik-gpio", NOMADIK_GPIO1_BASE, + "gpio.1", NULL), + OF_DEV_AUXDATA("st,nomadik-gpio", NOMADIK_GPIO2_BASE, + "gpio.2", NULL), + OF_DEV_AUXDATA("st,nomadik-gpio", NOMADIK_GPIO3_BASE, + "gpio.3", NULL), + OF_DEV_AUXDATA("stericsson,nmk-pinctrl-stn8815", 0, + "pinctrl-stn8815", NULL), + OF_DEV_AUXDATA("arm,primecell", NOMADIK_UART0_BASE, + "uart0", NULL), + OF_DEV_AUXDATA("arm,primecell", NOMADIK_UART1_BASE, + "uart1", NULL), + OF_DEV_AUXDATA("arm,primecell", NOMADIK_RNG_BASE, + "rng", NULL), + OF_DEV_AUXDATA("arm,primecell", NOMADIK_RTC_BASE, + "rtc-pl031", NULL), + OF_DEV_AUXDATA("stericsson,fsmc-nand", NOMADIK_FSMC_BASE, + "fsmc-nand", &cpu8815_nand_data), + OF_DEV_AUXDATA("arm,primecell", NOMADIK_SDI_BASE, + "mmci", &mmcsd_plat_data), + { /* sentinel */ }, +}; + +static void __init cpu8815_init_of(void) { #ifdef CONFIG_CACHE_L2X0 /* At full speed latency must be >=2, so 0x249 in low bits */ - l2x0_init(io_p2v(NOMADIK_L2CC_BASE), 0x00730249, 0xfe000fff); + l2x0_of_init(0x00730249, 0xfe000fff); #endif - return; + pinctrl_register_mappings(nhk8815_pinmap, ARRAY_SIZE(nhk8815_pinmap)); + of_platform_populate(NULL, of_default_bus_match_table, + cpu8815_auxdata_lookup, NULL); } -void cpu8815_restart(char mode, const char *cmd) -{ - void __iomem *src_rstsr = io_p2v(NOMADIK_SRC_BASE + 0x18); - - /* FIXME: use egpio when implemented */ +static const char * cpu8815_board_compat[] = { + "calaosystems,usb-s8815", + NULL, +}; - /* Write anything to Reset status register */ - writel(1, src_rstsr); -} +DT_MACHINE_START(NOMADIK_DT, "Nomadik STn8815") + .map_io = cpu8815_map_io, + .init_irq = irqchip_init, + .init_time = cpu8815_timer_init_of, + .init_machine = cpu8815_init_of, + .restart = cpu8815_restart, + .dt_compat = cpu8815_board_compat, +MACHINE_END diff --git a/arch/arm/mach-nomadik/cpu-8815.h b/arch/arm/mach-nomadik/cpu-8815.h deleted file mode 100644 index 71c21e8a11dc..000000000000 --- a/arch/arm/mach-nomadik/cpu-8815.h +++ /dev/null @@ -1,4 +0,0 @@ -extern void cpu8815_map_io(void); -extern void cpu8815_platform_init(void); -extern void cpu8815_init_irq(void); -extern void cpu8815_restart(char, const char *); diff --git a/arch/arm/mach-nomadik/i2c-8815nhk.c b/arch/arm/mach-nomadik/i2c-8815nhk.c deleted file mode 100644 index 0c2f6628299a..000000000000 --- a/arch/arm/mach-nomadik/i2c-8815nhk.c +++ /dev/null @@ -1,88 +0,0 @@ -#include <linux/module.h> -#include <linux/init.h> -#include <linux/i2c.h> -#include <linux/i2c-algo-bit.h> -#include <linux/i2c-gpio.h> -#include <linux/platform_device.h> -#include <linux/platform_data/pinctrl-nomadik.h> - -/* - * There are two busses in the 8815NHK. - * They could, in theory, be driven by the hardware component, but we - * use bit-bang through GPIO by now, to keep things simple - */ - -/* I2C0 connected to the STw4811 power management chip */ -static struct i2c_gpio_platform_data nhk8815_i2c_data0 = { - /* keep defaults for timeouts; pins are push-pull bidirectional */ - .scl_pin = 62, - .sda_pin = 63, -}; - -/* I2C1 connected to various sensors */ -static struct i2c_gpio_platform_data nhk8815_i2c_data1 = { - /* keep defaults for timeouts; pins are push-pull bidirectional */ - .scl_pin = 53, - .sda_pin = 54, -}; - -/* I2C2 connected to the USB portions of the STw4811 only */ -static struct i2c_gpio_platform_data nhk8815_i2c_data2 = { - /* keep defaults for timeouts; pins are push-pull bidirectional */ - .scl_pin = 73, - .sda_pin = 74, -}; - -static struct platform_device nhk8815_i2c_dev0 = { - .name = "i2c-gpio", - .id = 0, - .dev = { - .platform_data = &nhk8815_i2c_data0, - }, -}; - -static struct platform_device nhk8815_i2c_dev1 = { - .name = "i2c-gpio", - .id = 1, - .dev = { - .platform_data = &nhk8815_i2c_data1, - }, -}; - -static struct platform_device nhk8815_i2c_dev2 = { - .name = "i2c-gpio", - .id = 2, - .dev = { - .platform_data = &nhk8815_i2c_data2, - }, -}; - -static pin_cfg_t cpu8815_pins_i2c[] = { - PIN_CFG_INPUT(62, GPIO, PULLUP), - PIN_CFG_INPUT(63, GPIO, PULLUP), - PIN_CFG_INPUT(53, GPIO, PULLUP), - PIN_CFG_INPUT(54, GPIO, PULLUP), - PIN_CFG_INPUT(73, GPIO, PULLUP), - PIN_CFG_INPUT(74, GPIO, PULLUP), -}; - -static int __init nhk8815_i2c_init(void) -{ - nmk_config_pins(cpu8815_pins_i2c, ARRAY_SIZE(cpu8815_pins_i2c)); - platform_device_register(&nhk8815_i2c_dev0); - platform_device_register(&nhk8815_i2c_dev1); - platform_device_register(&nhk8815_i2c_dev2); - - return 0; -} - -static void __exit nhk8815_i2c_exit(void) -{ - platform_device_unregister(&nhk8815_i2c_dev0); - platform_device_unregister(&nhk8815_i2c_dev1); - platform_device_unregister(&nhk8815_i2c_dev2); - return; -} - -module_init(nhk8815_i2c_init); -module_exit(nhk8815_i2c_exit); diff --git a/arch/arm/mach-nomadik/include/mach/hardware.h b/arch/arm/mach-nomadik/include/mach/hardware.h deleted file mode 100644 index 02035e459f50..000000000000 --- a/arch/arm/mach-nomadik/include/mach/hardware.h +++ /dev/null @@ -1,90 +0,0 @@ -/* - * This file contains the hardware definitions of the Nomadik. - * - * 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 Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * YOU should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#ifndef __ASM_ARCH_HARDWARE_H -#define __ASM_ARCH_HARDWARE_H - -/* Nomadik registers live from 0x1000.0000 to 0x1023.0000 -- currently */ -#define NOMADIK_IO_VIRTUAL 0xF0000000 /* VA of IO */ -#define NOMADIK_IO_PHYSICAL 0x10000000 /* PA of IO */ -#define NOMADIK_IO_SIZE 0x00300000 /* 3MB for all regs */ - -/* used in C code, so cast to proper type */ -#define io_p2v(x) ((void __iomem *)(x) \ - - NOMADIK_IO_PHYSICAL + NOMADIK_IO_VIRTUAL) -#define io_v2p(x) ((unsigned long)(x) \ - - NOMADIK_IO_VIRTUAL + NOMADIK_IO_PHYSICAL) - -/* used in asm code, so no casts */ -#define IO_ADDRESS(x) IOMEM((x) - NOMADIK_IO_PHYSICAL + NOMADIK_IO_VIRTUAL) - -/* - * Base address defination for Nomadik Onchip Logic Block - */ -#define NOMADIK_FSMC_BASE 0x10100000 /* FSMC registers */ -#define NOMADIK_SDRAMC_BASE 0x10110000 /* SDRAM Controller */ -#define NOMADIK_CLCDC_BASE 0x10120000 /* CLCD Controller */ -#define NOMADIK_MDIF_BASE 0x10120000 /* MDIF */ -#define NOMADIK_DMA0_BASE 0x10130000 /* DMA0 Controller */ -#define NOMADIK_IC_BASE 0x10140000 /* Vectored Irq Controller */ -#define NOMADIK_DMA1_BASE 0x10150000 /* DMA1 Controller */ -#define NOMADIK_USB_BASE 0x10170000 /* USB-OTG conf reg base */ -#define NOMADIK_CRYP_BASE 0x10180000 /* Crypto processor */ -#define NOMADIK_SHA1_BASE 0x10190000 /* SHA-1 Processor */ -#define NOMADIK_XTI_BASE 0x101A0000 /* XTI */ -#define NOMADIK_RNG_BASE 0x101B0000 /* Random number generator */ -#define NOMADIK_SRC_BASE 0x101E0000 /* SRC base */ -#define NOMADIK_WDOG_BASE 0x101E1000 /* Watchdog */ -#define NOMADIK_MTU0_BASE 0x101E2000 /* Multiple Timer 0 */ -#define NOMADIK_MTU1_BASE 0x101E3000 /* Multiple Timer 1 */ -#define NOMADIK_GPIO0_BASE 0x101E4000 /* GPIO0 */ -#define NOMADIK_GPIO1_BASE 0x101E5000 /* GPIO1 */ -#define NOMADIK_GPIO2_BASE 0x101E6000 /* GPIO2 */ -#define NOMADIK_GPIO3_BASE 0x101E7000 /* GPIO3 */ -#define NOMADIK_RTC_BASE 0x101E8000 /* Real Time Clock base */ -#define NOMADIK_PMU_BASE 0x101E9000 /* Power Management Unit */ -#define NOMADIK_OWM_BASE 0x101EA000 /* One wire master */ -#define NOMADIK_SCR_BASE 0x101EF000 /* Secure Control registers */ -#define NOMADIK_MSP2_BASE 0x101F0000 /* MSP 2 interface */ -#define NOMADIK_MSP1_BASE 0x101F1000 /* MSP 1 interface */ -#define NOMADIK_UART2_BASE 0x101F2000 /* UART 2 interface */ -#define NOMADIK_SSIRx_BASE 0x101F3000 /* SSI 8-ch rx interface */ -#define NOMADIK_SSITx_BASE 0x101F4000 /* SSI 8-ch tx interface */ -#define NOMADIK_MSHC_BASE 0x101F5000 /* Memory Stick(Pro) Host */ -#define NOMADIK_SDI_BASE 0x101F6000 /* SD-card/MM-Card */ -#define NOMADIK_I2C1_BASE 0x101F7000 /* I2C1 interface */ -#define NOMADIK_I2C0_BASE 0x101F8000 /* I2C0 interface */ -#define NOMADIK_MSP0_BASE 0x101F9000 /* MSP 0 interface */ -#define NOMADIK_FIRDA_BASE 0x101FA000 /* FIrDA interface */ -#define NOMADIK_UART1_BASE 0x101FB000 /* UART 1 interface */ -#define NOMADIK_SSP_BASE 0x101FC000 /* SSP interface */ -#define NOMADIK_UART0_BASE 0x101FD000 /* UART 0 interface */ -#define NOMADIK_SGA_BASE 0x101FE000 /* SGA interface */ -#define NOMADIK_L2CC_BASE 0x10210000 /* L2 Cache controller */ - -/* Other ranges, not for p2v/v2p */ -#define NOMADIK_BACKUP_RAM 0x80010000 -#define NOMADIK_EBROM 0x80000000 /* Embedded boot ROM */ -#define NOMADIK_HAMACV_DMEM_BASE 0xA0100000 /* HAMACV Data Memory Start */ -#define NOMADIK_HAMACV_DMEM_END 0xA01FFFFF /* HAMACV Data Memory End */ -#define NOMADIK_HAMACA_DMEM 0xA0200000 /* HAMACA Data Memory Space */ - -#define NOMADIK_FSMC_VA IO_ADDRESS(NOMADIK_FSMC_BASE) -#define NOMADIK_MTU0_VA IO_ADDRESS(NOMADIK_MTU0_BASE) -#define NOMADIK_MTU1_VA IO_ADDRESS(NOMADIK_MTU1_BASE) - -#endif /* __ASM_ARCH_HARDWARE_H */ diff --git a/arch/arm/mach-nomadik/include/mach/irqs.h b/arch/arm/mach-nomadik/include/mach/irqs.h index 215f8cdb4004..90ac965a92fe 100644 --- a/arch/arm/mach-nomadik/include/mach/irqs.h +++ b/arch/arm/mach-nomadik/include/mach/irqs.h @@ -20,8 +20,6 @@ #ifndef __ASM_ARCH_IRQS_H #define __ASM_ARCH_IRQS_H -#include <mach/hardware.h> - #define IRQ_VIC_START 32 /* first VIC interrupt is 1 */ /* diff --git a/arch/arm/mach-nomadik/include/mach/uncompress.h b/arch/arm/mach-nomadik/include/mach/uncompress.h index f527af6527c8..106fccca2021 100644 --- a/arch/arm/mach-nomadik/include/mach/uncompress.h +++ b/arch/arm/mach-nomadik/include/mach/uncompress.h @@ -21,7 +21,6 @@ #include <asm/setup.h> #include <asm/io.h> -#include <mach/hardware.h> /* we need the constants in amba/serial.h, but it refers to amba_device */ struct amba_device; |