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ARM: S5PC100: Add support for Compact Flash driver on SMDKC100

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Following is added for the CF-ATA driver:
	- Platform data strucure instantiation
	- Platform device enabling code
	- Platform-specific gpio setup code

Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Abhilash Kesavan 2010-06-08 17:02:08 +09:00 committed by Kukjin Kim
parent 9fe6206f40
commit 66194a74c2
8 changed files with 95 additions and 1 deletions
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7
arch/arm/mach-s5pc100/Kconfig
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@ -25,6 +25,11 @@ config S5PC100_SETUP_I2C1
help
Common setup code for i2c bus 1.
config S5PC100_SETUP_IDE
bool
help
Common setup code for S5PC100 IDE GPIO configurations
config S5PC100_SETUP_SDHCI
bool
select S5PC100_SETUP_SDHCI_GPIO
@ -41,11 +46,13 @@ config MACH_SMDKC100
select CPU_S5PC100
select S3C_DEV_FB
select S3C_DEV_I2C1
select SAMSUNG_DEV_IDE
select S3C_DEV_HSMMC
select S3C_DEV_HSMMC1
select S3C_DEV_HSMMC2
select S5PC100_SETUP_FB_24BPP
select S5PC100_SETUP_I2C1
select S5PC100_SETUP_IDE
select S5PC100_SETUP_SDHCI
help
Machine support for the Samsung SMDKC100

1
arch/arm/mach-s5pc100/Makefile
View File

@ -19,6 +19,7 @@ obj-$(CONFIG_CPU_S5PC100) += dma.o
obj-$(CONFIG_S5PC100_SETUP_FB_24BPP) += setup-fb-24bpp.o
obj-$(CONFIG_S5PC100_SETUP_I2C1) += setup-i2c1.o
obj-$(CONFIG_S5PC100_SETUP_IDE) += setup-ide.o
obj-$(CONFIG_S5PC100_SETUP_SDHCI) += setup-sdhci.o
obj-$(CONFIG_S5PC100_SETUP_SDHCI_GPIO) += setup-sdhci-gpio.o

2
arch/arm/mach-s5pc100/cpu.c
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@ -38,6 +38,7 @@
#include <plat/cpu.h>
#include <plat/devs.h>
#include <plat/clock.h>
#include <plat/ata-core.h>
#include <plat/iic-core.h>
#include <plat/sdhci.h>
#include <plat/onenand-core.h>
@ -92,6 +93,7 @@ void __init s5pc100_map_io(void)
s3c_i2c1_setname("s3c2440-i2c");
s3c_onenand_setname("s5pc100-onenand");
s3c_cfcon_setname("s5pc100-pata");
}
void __init s5pc100_init_clocks(int xtal)

2
arch/arm/mach-s5pc100/include/mach/irqs.h
View File

@ -38,7 +38,7 @@
#define IRQ_IEMIEC S5P_IRQ_VIC1(6)
#define IRQ_ONENAND S5P_IRQ_VIC1(7)
#define IRQ_NFC S5P_IRQ_VIC1(8)
#define IRQ_CFC S5P_IRQ_VIC1(9)
#define IRQ_CFCON S5P_IRQ_VIC1(9)
#define IRQ_UART0 S5P_IRQ_VIC1(10)
#define IRQ_UART1 S5P_IRQ_VIC1(11)
#define IRQ_UART2 S5P_IRQ_VIC1(12)

4
arch/arm/mach-s5pc100/include/mach/map.h
View File

@ -61,6 +61,8 @@
#define S5PC100_PA_ONENAND (0xE7100000)
#define S5PC100_PA_CFCON (0xE7800000)
/* DMA */
#define S5PC100_PA_MDMA (0xE8100000)
#define S5PC100_PA_PDMA0 (0xE9000000)
@ -135,4 +137,6 @@
#define S3C_PA_ONENAND_BUF S5PC100_PA_ONENAND_BUF
#define S3C_SZ_ONENAND_BUF S5PC100_SZ_ONENAND_BUF
#define SAMSUNG_PA_CFCON S5PC100_PA_CFCON
#endif /* __ASM_ARCH_C100_MAP_H */

3
arch/arm/mach-s5pc100/include/mach/regs-clock.h
View File

@ -71,7 +71,10 @@
#define S5P_CLKDIV1_PCLKD1_SHIFT (16)
#define S5PC100_SWRESET S5PC100_REG_OTHERS(0x000)
#define S5PC100_MEM_SYS_CFG S5PC100_REG_OTHERS(0x200)
#define S5PC100_SWRESET_RESETVAL 0xc100
#define MEM_SYS_CFG_EBI_FIX_PRI_CFCON 0x30
#endif /* __ASM_ARCH_REGS_CLOCK_H */

7
arch/arm/mach-s5pc100/mach-smdkc100.c
View File

@ -42,6 +42,7 @@
#include <plat/s5pc100.h>
#include <plat/fb.h>
#include <plat/iic.h>
#include <plat/ata.h>
/* Following are default values for UCON, ULCON and UFCON UART registers */
#define S5PC100_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
@ -149,7 +150,12 @@ static struct s3c_fb_platdata smdkc100_lcd_pdata __initdata = {
.setup_gpio = s5pc100_fb_gpio_setup_24bpp,
};
static struct s3c_ide_platdata smdkc100_ide_pdata __initdata = {
.setup_gpio = s5pc100_ide_setup_gpio,
};
static struct platform_device *smdkc100_devices[] __initdata = {
&s3c_device_cfcon,
&s3c_device_i2c0,
&s3c_device_i2c1,
&s3c_device_fb,
@ -177,6 +183,7 @@ static void __init smdkc100_machine_init(void)
i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));
s3c_fb_set_platdata(&smdkc100_lcd_pdata);
s3c_ide_set_platdata(&smdkc100_ide_pdata);
/* LCD init */
gpio_request(S5PC100_GPD(0), "GPD");

70
arch/arm/mach-s5pc100/setup-ide.c Normal file
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@ -0,0 +1,70 @@
/* linux/arch/arm/mach-s5pc100/setup-ide.c
*
* Copyright (c) 2010 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* S5PC100 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/regs-clock.h>
#include <plat/gpio-cfg.h>
void s5pc100_ide_setup_gpio(void)
{
u32 reg;
u32 gpio = 0;
/* Independent CF interface, CF chip select configuration */
reg = readl(S5PC100_MEM_SYS_CFG) & (~0x3f);
writel(reg | MEM_SYS_CFG_EBI_FIX_PRI_CFCON, S5PC100_MEM_SYS_CFG);
/* CF_Add[0 - 2], CF_IORDY, CF_INTRQ, CF_DMARQ, CF_DMARST, CF_DMACK */
for (gpio = S5PC100_GPJ0(0); gpio <= S5PC100_GPJ0(7); gpio++) {
s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(4));
s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
}
/*CF_Data[0 - 7] */
for (gpio = S5PC100_GPJ2(0); gpio <= S5PC100_GPJ2(7); gpio++) {
s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(4));
s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
}
/* CF_Data[8 - 15] */
for (gpio = S5PC100_GPJ3(0); gpio <= S5PC100_GPJ3(7); gpio++) {
s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(4));
s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
}
/* CF_CS0, CF_CS1, CF_IORD, CF_IOWR */
for (gpio = S5PC100_GPJ4(0); gpio <= S5PC100_GPJ4(3); gpio++) {
s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(4));
s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
}
/* EBI_OE, EBI_WE */
for (gpio = S5PC100_GPK0(6); gpio <= S5PC100_GPK0(7); gpio++)
s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(0));
/* CF_OE, CF_WE */
for (gpio = S5PC100_GPK1(6); gpio <= S5PC100_GPK1(7); gpio++) {
s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
}
/* CF_CD */
s3c_gpio_cfgpin(S5PC100_GPK3(5), S3C_GPIO_SFN(2));
s3c_gpio_setpull(S5PC100_GPK3(5), S3C_GPIO_PULL_NONE);
}