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author | Abhilash Kesavan <a.kesavan@samsung.com> | 2010-06-08 16:55:45 +0900 |
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committer | Kukjin Kim <kgene.kim@samsung.com> | 2010-08-05 18:32:50 +0900 |
commit | 0ab0b6d226caa4a0268ecbce76a7376c3f40ee6b (patch) | |
tree | 729f66aa696b663b92e04d606eb1686b0f353307 /arch/arm/mach-s3c64xx | |
parent | db90005b5bdb7195b55e295548d7a7eb2014d94c (diff) | |
download | kernel_samsung_smdk4412-0ab0b6d226caa4a0268ecbce76a7376c3f40ee6b.zip kernel_samsung_smdk4412-0ab0b6d226caa4a0268ecbce76a7376c3f40ee6b.tar.gz kernel_samsung_smdk4412-0ab0b6d226caa4a0268ecbce76a7376c3f40ee6b.tar.bz2 |
ARM: S3C64XX: Add support for Compact Flash driver on SMDK6410
Following is added for the CF-ATA driver:
- Platform data strucure instantiation
- Platform device enabling code
- Addition of cfcon clock
- Platform-specific gpio setup code
Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Signed-off-by: Thomas Abraham <thomas.ab@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/mach-s3c64xx')
-rw-r--r-- | arch/arm/mach-s3c64xx/Kconfig | 7 | ||||
-rw-r--r-- | arch/arm/mach-s3c64xx/Makefile | 1 | ||||
-rw-r--r-- | arch/arm/mach-s3c64xx/clock.c | 6 | ||||
-rw-r--r-- | arch/arm/mach-s3c64xx/include/mach/map.h | 4 | ||||
-rw-r--r-- | arch/arm/mach-s3c64xx/include/mach/regs-clock.h | 5 | ||||
-rw-r--r-- | arch/arm/mach-s3c64xx/mach-smdk6410.c | 8 | ||||
-rw-r--r-- | arch/arm/mach-s3c64xx/s3c6410.c | 2 | ||||
-rw-r--r-- | arch/arm/mach-s3c64xx/setup-ide.c | 46 |
8 files changed, 79 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c64xx/Kconfig b/arch/arm/mach-s3c64xx/Kconfig index f5a5972..12f063b 100644 --- a/arch/arm/mach-s3c64xx/Kconfig +++ b/arch/arm/mach-s3c64xx/Kconfig @@ -57,6 +57,11 @@ config S3C64XX_SETUP_I2C1 help Common setup code for i2c bus 1. +config S3C64XX_SETUP_IDE + bool + help + Common setup code for S3C64XX IDE. + config S3C64XX_SETUP_FB_24BPP bool help @@ -95,6 +100,7 @@ config MACH_SMDK6410 select S3C_DEV_HSMMC select S3C_DEV_HSMMC1 select S3C_DEV_I2C1 + select SAMSUNG_DEV_IDE select S3C_DEV_FB select SAMSUNG_DEV_TS select S3C_DEV_USB_HOST @@ -103,6 +109,7 @@ config MACH_SMDK6410 select HAVE_S3C2410_WATCHDOG select S3C64XX_SETUP_SDHCI select S3C64XX_SETUP_I2C1 + select S3C64XX_SETUP_IDE select S3C64XX_SETUP_FB_24BPP help Machine support for the Samsung SMDK6410 diff --git a/arch/arm/mach-s3c64xx/Makefile b/arch/arm/mach-s3c64xx/Makefile index 9d10069..aa5c367 100644 --- a/arch/arm/mach-s3c64xx/Makefile +++ b/arch/arm/mach-s3c64xx/Makefile @@ -35,6 +35,7 @@ obj-$(CONFIG_S3C64XX_DMA) += dma.o obj-$(CONFIG_S3C64XX_SETUP_I2C0) += setup-i2c0.o obj-$(CONFIG_S3C64XX_SETUP_I2C1) += setup-i2c1.o +obj-$(CONFIG_S3C64XX_SETUP_IDE) += setup-ide.o obj-$(CONFIG_S3C64XX_SETUP_SDHCI) += setup-sdhci.o obj-$(CONFIG_S3C64XX_SETUP_FB_24BPP) += setup-fb-24bpp.o obj-$(CONFIG_S3C64XX_SETUP_SDHCI_GPIO) += setup-sdhci-gpio.o diff --git a/arch/arm/mach-s3c64xx/clock.c b/arch/arm/mach-s3c64xx/clock.c index fbd85a9..7772f92 100644 --- a/arch/arm/mach-s3c64xx/clock.c +++ b/arch/arm/mach-s3c64xx/clock.c @@ -310,6 +310,12 @@ static struct clk init_clocks[] = { .id = -1, .parent = &clk_p, .ctrlbit = S3C_CLKCON_PCLK_AC97, + }, { + .name = "cfcon", + .id = -1, + .parent = &clk_h, + .enable = s3c64xx_hclk_ctrl, + .ctrlbit = S3C_CLKCON_HCLK_IHOST, } }; diff --git a/arch/arm/mach-s3c64xx/include/mach/map.h b/arch/arm/mach-s3c64xx/include/mach/map.h index e1eab3c..1caaa5f 100644 --- a/arch/arm/mach-s3c64xx/include/mach/map.h +++ b/arch/arm/mach-s3c64xx/include/mach/map.h @@ -86,6 +86,9 @@ #define S3C64XX_SZ_GPIO SZ_4K #define S3C64XX_PA_SDRAM (0x50000000) + +#define S3C64XX_PA_CFCON (0x70300000) + #define S3C64XX_PA_VIC0 (0x71200000) #define S3C64XX_PA_VIC1 (0x71300000) @@ -120,5 +123,6 @@ #define S3C_PA_WDT S3C64XX_PA_WATCHDOG #define SAMSUNG_PA_ADC S3C64XX_PA_ADC +#define SAMSUNG_PA_CFCON S3C64XX_PA_CFCON #endif /* __ASM_ARCH_6400_MAP_H */ diff --git a/arch/arm/mach-s3c64xx/include/mach/regs-clock.h b/arch/arm/mach-s3c64xx/include/mach/regs-clock.h index 0114eb0..05332b9 100644 --- a/arch/arm/mach-s3c64xx/include/mach/regs-clock.h +++ b/arch/arm/mach-s3c64xx/include/mach/regs-clock.h @@ -34,6 +34,7 @@ #define S3C_SCLK_GATE S3C_CLKREG(0x38) #define S3C_MEM0_GATE S3C_CLKREG(0x3C) #define S3C6410_CLK_SRC2 S3C_CLKREG(0x10C) +#define S3C_MEM_SYS_CFG S3C_CLKREG(0x120) /* CLKDIV0 */ #define S3C6400_CLKDIV0_PCLK_MASK (0xf << 12) @@ -154,4 +155,8 @@ #define S3C6400_CLKSRC_EPLL_MOUT_SHIFT (2) #define S3C6400_CLKSRC_MFC (1 << 4) +/* MEM_SYS_CFG */ +#define MEM_SYS_CFG_INDEP_CF 0x4000 +#define MEM_SYS_CFG_EBI_FIX_PRI_CFCON 0x30 + #endif /* _PLAT_REGS_CLOCK_H */ diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-s3c64xx/mach-smdk6410.c index d9a0355..0d7d93f 100644 --- a/arch/arm/mach-s3c64xx/mach-smdk6410.c +++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c @@ -56,6 +56,7 @@ #include <mach/regs-gpio.h> #include <mach/regs-sys.h> #include <mach/regs-srom.h> +#include <plat/ata.h> #include <plat/iic.h> #include <plat/fb.h> #include <plat/gpio-cfg.h> @@ -242,6 +243,10 @@ static struct platform_device smdk6410_b_pwr_5v = { }; #endif +static struct s3c_ide_platdata smdk6410_ide_pdata __initdata = { + .setup_gpio = s3c64xx_ide_setup_gpio, +}; + static struct map_desc smdk6410_iodesc[] = {}; static struct platform_device *smdk6410_devices[] __initdata = { @@ -265,6 +270,7 @@ static struct platform_device *smdk6410_devices[] __initdata = { &smdk6410_smsc911x, &s3c_device_adc, + &s3c_device_cfcon, &s3c_device_ts, &s3c_device_wdt, }; @@ -665,6 +671,8 @@ static void __init smdk6410_machine_init(void) i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0)); i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1)); + s3c_ide_set_platdata(&smdk6410_ide_pdata); + platform_add_devices(smdk6410_devices, ARRAY_SIZE(smdk6410_devices)); } diff --git a/arch/arm/mach-s3c64xx/s3c6410.c b/arch/arm/mach-s3c64xx/s3c6410.c index 014401c..3ad25d2 100644 --- a/arch/arm/mach-s3c64xx/s3c6410.c +++ b/arch/arm/mach-s3c64xx/s3c6410.c @@ -37,6 +37,7 @@ #include <plat/devs.h> #include <plat/clock.h> #include <plat/sdhci.h> +#include <plat/ata-core.h> #include <plat/iic-core.h> #include <plat/adc.h> #include <plat/onenand-core.h> @@ -58,6 +59,7 @@ void __init s3c6410_map_io(void) s3c_device_nand.name = "s3c6400-nand"; s3c_onenand_setname("s3c6410-onenand"); s3c64xx_onenand1_setname("s3c6410-onenand"); + s3c_cfcon_setname("s3c64xx-pata"); } void __init s3c6410_init_clocks(int xtal) diff --git a/arch/arm/mach-s3c64xx/setup-ide.c b/arch/arm/mach-s3c64xx/setup-ide.c new file mode 100644 index 0000000..c12c315 --- /dev/null +++ b/arch/arm/mach-s3c64xx/setup-ide.c @@ -0,0 +1,46 @@ +/* linux/arch/arm/mach-s3c64xx/setup-ide.c + * + * Copyright (c) 2010 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * S3C64XX setup information for IDE + * + * 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. +*/ + +#include <linux/kernel.h> +#include <linux/gpio.h> +#include <linux/io.h> + +#include <mach/map.h> +#include <mach/regs-clock.h> +#include <plat/gpio-cfg.h> + +void s3c64xx_ide_setup_gpio(void) +{ + u32 reg; + u32 gpio = 0; + + reg = readl(S3C_MEM_SYS_CFG) & (~0x3f); + + /* Independent CF interface, CF chip select configuration */ + writel(reg | MEM_SYS_CFG_INDEP_CF | + MEM_SYS_CFG_EBI_FIX_PRI_CFCON, S3C_MEM_SYS_CFG); + + s3c_gpio_cfgpin(S3C64XX_GPB(4), S3C_GPIO_SFN(4)); + + /* Set XhiDATA[15:0] pins as CF Data[15:0] */ + for (gpio = S3C64XX_GPK(0); gpio <= S3C64XX_GPK(15); gpio++) + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(5)); + + /* Set XhiADDR[2:0] pins as CF ADDR[2:0] */ + for (gpio = S3C64XX_GPL(0); gpio <= S3C64XX_GPL(2); gpio++) + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(6)); + + /* Set Xhi ctrl pins as CF ctrl pins(IORDY, IOWR, IORD, CE[0:1]) */ + s3c_gpio_cfgpin(S3C64XX_GPM(5), S3C_GPIO_SFN(1)); + for (gpio = S3C64XX_GPM(0); gpio <= S3C64XX_GPM(4); gpio++) + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(6)); +} |