diff options
Diffstat (limited to 'arch/arm/mach-s5pv210')
| -rw-r--r-- | arch/arm/mach-s5pv210/Kconfig | 21 | ||||
| -rw-r--r-- | arch/arm/mach-s5pv210/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/mach-s5pv210/cpu.c | 6 | ||||
| -rw-r--r-- | arch/arm/mach-s5pv210/include/mach/map.h | 5 | ||||
| -rw-r--r-- | arch/arm/mach-s5pv210/setup-sdhci-gpio.c | 104 | ||||
| -rw-r--r-- | arch/arm/mach-s5pv210/setup-sdhci.c | 63 |
6 files changed, 201 insertions, 0 deletions
diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig index 7d8d93feb63b..9e9700360829 100644 --- a/arch/arm/mach-s5pv210/Kconfig +++ b/arch/arm/mach-s5pv210/Kconfig @@ -25,11 +25,32 @@ config MACH_AQUILA help Machine support for the Samsung Aquila target based on S5PC110 SoC +config S5PV210_SETUP_I2C1 + bool + help + Common setup code for i2c bus 1. + +config S5PV210_SETUP_I2C2 + bool + help + Common setup code for i2c bus 2. + config S5PV210_SETUP_FB_24BPP bool help Common setup code for S5PV210 with an 24bpp RGB display helper. +config S5PV210_SETUP_SDHCI + bool + select S5PV210_SETUP_SDHCI_GPIO + help + Internal helper functions for S5PV210 based SDHCI systems + +config S5PV210_SETUP_SDHCI_GPIO + bool + help + Common setup code for SDHCI gpio. + config MACH_SMDKV210 bool "SMDKV210" select CPU_S5PV210 diff --git a/arch/arm/mach-s5pv210/Makefile b/arch/arm/mach-s5pv210/Makefile index c9aad7faf1ff..0b334c79816d 100644 --- a/arch/arm/mach-s5pv210/Makefile +++ b/arch/arm/mach-s5pv210/Makefile @@ -27,3 +27,5 @@ obj-y += dev-audio.o obj-$(CONFIG_S5PV210_SETUP_FB_24BPP) += setup-fb-24bpp.o obj-$(CONFIG_S5PV210_SETUP_I2C1) += setup-i2c1.o obj-$(CONFIG_S5PV210_SETUP_I2C2) += setup-i2c2.o +obj-$(CONFIG_S5PV210_SETUP_SDHCI) += setup-sdhci.o +obj-$(CONFIG_S5PV210_SETUP_SDHCI_GPIO) += setup-sdhci-gpio.o diff --git a/arch/arm/mach-s5pv210/cpu.c b/arch/arm/mach-s5pv210/cpu.c index 2d4a3d2221c5..c5d53abc92f1 100644 --- a/arch/arm/mach-s5pv210/cpu.c +++ b/arch/arm/mach-s5pv210/cpu.c @@ -33,6 +33,7 @@ #include <plat/clock.h> #include <plat/s5pv210.h> #include <plat/iic-core.h> +#include <plat/sdhci.h> /* Initial IO mappings */ @@ -77,6 +78,11 @@ void __init s5pv210_map_io(void) { iotable_init(s5pv210_iodesc, ARRAY_SIZE(s5pv210_iodesc)); + /* initialise device information early */ + s5pv210_default_sdhci0(); + s5pv210_default_sdhci1(); + s5pv210_default_sdhci2(); + /* the i2c devices are directly compatible with s3c2440 */ s3c_i2c0_setname("s3c2440-i2c"); s3c_i2c1_setname("s3c2440-i2c"); diff --git a/arch/arm/mach-s5pv210/include/mach/map.h b/arch/arm/mach-s5pv210/include/mach/map.h index 0254e08590e7..eeb1ca79a6f4 100644 --- a/arch/arm/mach-s5pv210/include/mach/map.h +++ b/arch/arm/mach-s5pv210/include/mach/map.h @@ -51,6 +51,8 @@ #define S5PV210_PA_FB (0xF8000000) +#define S5PV210_PA_HSMMC(x) (0xEB000000 + ((x) * 0x100000)) + #define S5PV210_PA_VIC0 (0xF2000000) #define S5P_PA_VIC0 S5PV210_PA_VIC0 @@ -81,6 +83,9 @@ /* compatibiltiy defines. */ #define S3C_PA_UART S5PV210_PA_UART +#define S3C_PA_HSMMC0 S5PV210_PA_HSMMC(0) +#define S3C_PA_HSMMC1 S5PV210_PA_HSMMC(1) +#define S3C_PA_HSMMC2 S5PV210_PA_HSMMC(2) #define S3C_PA_IIC S5PV210_PA_IIC0 #define S3C_PA_IIC1 S5PV210_PA_IIC1 #define S3C_PA_IIC2 S5PV210_PA_IIC2 diff --git a/arch/arm/mach-s5pv210/setup-sdhci-gpio.c b/arch/arm/mach-s5pv210/setup-sdhci-gpio.c new file mode 100644 index 000000000000..fe7d86dad14c --- /dev/null +++ b/arch/arm/mach-s5pv210/setup-sdhci-gpio.c @@ -0,0 +1,104 @@ +/* linux/arch/arm/plat-s5pc1xx/setup-sdhci-gpio.c + * + * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * S5PV210 - Helper functions for setting up SDHCI device(s) GPIO (HSMMC) + * + * 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/types.h> +#include <linux/interrupt.h> +#include <linux/platform_device.h> +#include <linux/io.h> +#include <linux/mmc/host.h> +#include <linux/mmc/card.h> + +#include <mach/gpio.h> +#include <plat/gpio-cfg.h> +#include <plat/regs-sdhci.h> + +void s5pv210_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width) +{ + unsigned int gpio; + + /* Set all the necessary GPG0/GPG1 pins to special-function 2 */ + for (gpio = S5PV210_GPG0(0); gpio < S5PV210_GPG0(2); gpio++) { + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + } + switch (width) { + case 8: + /* GPG1[3:6] special-funtion 3 */ + for (gpio = S5PV210_GPG1(3); gpio <= S5PV210_GPG1(6); gpio++) { + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(3)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + } + case 4: + /* GPG0[3:6] special-funtion 2 */ + for (gpio = S5PV210_GPG0(3); gpio <= S5PV210_GPG0(6); gpio++) { + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + } + default: + break; + } + + s3c_gpio_setpull(S5PV210_GPG0(2), S3C_GPIO_PULL_UP); + s3c_gpio_cfgpin(S5PV210_GPG0(2), S3C_GPIO_SFN(2)); +} + +void s5pv210_setup_sdhci1_cfg_gpio(struct platform_device *dev, int width) +{ + unsigned int gpio; + + /* Set all the necessary GPG1[0:1] pins to special-function 2 */ + for (gpio = S5PV210_GPG1(0); gpio < S5PV210_GPG1(2); gpio++) { + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + } + + /* Data pin GPG1[3:6] to special-function 2 */ + for (gpio = S5PV210_GPG1(3); gpio <= S5PV210_GPG1(6); gpio++) { + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + } + + s3c_gpio_setpull(S5PV210_GPG1(2), S3C_GPIO_PULL_UP); + s3c_gpio_cfgpin(S5PV210_GPG1(2), S3C_GPIO_SFN(2)); +} + +void s5pv210_setup_sdhci2_cfg_gpio(struct platform_device *dev, int width) +{ + unsigned int gpio; + + /* Set all the necessary GPG2[0:1] pins to special-function 2 */ + for (gpio = S5PV210_GPG2(0); gpio < S5PV210_GPG2(2); gpio++) { + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + } + + switch (width) { + case 8: + /* Data pin GPG3[3:6] to special-function 3 */ + for (gpio = S5PV210_GPG3(3); gpio <= S5PV210_GPG3(6); gpio++) { + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(3)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + } + case 4: + /* Data pin GPG2[3:6] to special-function 2 */ + for (gpio = S5PV210_GPG2(3); gpio <= S5PV210_GPG2(6); gpio++) { + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + } + default: + break; + } + + s3c_gpio_setpull(S5PV210_GPG2(2), S3C_GPIO_PULL_UP); + s3c_gpio_cfgpin(S5PV210_GPG2(2), S3C_GPIO_SFN(2)); +} diff --git a/arch/arm/mach-s5pv210/setup-sdhci.c b/arch/arm/mach-s5pv210/setup-sdhci.c new file mode 100644 index 000000000000..51815ec60c2a --- /dev/null +++ b/arch/arm/mach-s5pv210/setup-sdhci.c @@ -0,0 +1,63 @@ +/* linux/arch/arm/mach-s5pv210/setup-sdhci.c + * + * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * S5PV210 - Helper functions for settign up SDHCI device(s) (HSMMC) + * + * 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/types.h> +#include <linux/interrupt.h> +#include <linux/platform_device.h> +#include <linux/io.h> + +#include <linux/mmc/card.h> +#include <linux/mmc/host.h> + +#include <plat/regs-sdhci.h> +#include <plat/sdhci.h> + +/* clock sources for the mmc bus clock, order as for the ctrl2[5..4] */ + +char *s5pv210_hsmmc_clksrcs[4] = { + [0] = "hsmmc", /* HCLK */ + [1] = "hsmmc", /* HCLK */ + [2] = "sclk_mmc", /* mmc_bus */ + /*[4] = reserved */ +}; + +void s5pv210_setup_sdhci_cfg_card(struct platform_device *dev, + void __iomem *r, + struct mmc_ios *ios, + struct mmc_card *card) +{ + u32 ctrl2, ctrl3; + + /* don't need to alter anything acording to card-type */ + + writel(S3C64XX_SDHCI_CONTROL4_DRIVE_9mA, r + S3C64XX_SDHCI_CONTROL4); + + ctrl2 = readl(r + S3C_SDHCI_CONTROL2); + ctrl2 &= S3C_SDHCI_CTRL2_SELBASECLK_MASK; + ctrl2 |= (S3C64XX_SDHCI_CTRL2_ENSTAASYNCCLR | + S3C64XX_SDHCI_CTRL2_ENCMDCNFMSK | + S3C_SDHCI_CTRL2_ENFBCLKRX | + S3C_SDHCI_CTRL2_DFCNT_NONE | + S3C_SDHCI_CTRL2_ENCLKOUTHOLD); + + if (ios->clock < 25 * 1000000) + ctrl3 = (S3C_SDHCI_CTRL3_FCSEL3 | + S3C_SDHCI_CTRL3_FCSEL2 | + S3C_SDHCI_CTRL3_FCSEL1 | + S3C_SDHCI_CTRL3_FCSEL0); + else + ctrl3 = (S3C_SDHCI_CTRL3_FCSEL1 | S3C_SDHCI_CTRL3_FCSEL0); + + writel(ctrl2, r + S3C_SDHCI_CONTROL2); + writel(ctrl3, r + S3C_SDHCI_CONTROL3); +} |