diff options
| -rw-r--r-- | arch/arm/mach-s3c6400/s3c6400.c | 1 | ||||
| -rw-r--r-- | arch/arm/mach-s3c6410/cpu.c | 1 | ||||
| -rw-r--r-- | arch/arm/plat-s3c/Kconfig | 5 | ||||
| -rw-r--r-- | arch/arm/plat-s3c/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/plat-s3c/dev-hsmmc2.c | 69 | ||||
| -rw-r--r-- | arch/arm/plat-s3c/include/plat/sdhci.h | 25 | ||||
| -rw-r--r-- | arch/arm/plat-s3c64xx/setup-sdhci-gpio.c | 20 |
7 files changed, 122 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c6400/s3c6400.c b/arch/arm/mach-s3c6400/s3c6400.c index b42bdd0f2138..d876ee503671 100644 --- a/arch/arm/mach-s3c6400/s3c6400.c +++ b/arch/arm/mach-s3c6400/s3c6400.c @@ -45,6 +45,7 @@ void __init s3c6400_map_io(void) s3c6400_default_sdhci0(); s3c6400_default_sdhci1(); + s3c6400_default_sdhci2(); /* the i2c devices are directly compatible with s3c2440 */ s3c_i2c0_setname("s3c2440-i2c"); diff --git a/arch/arm/mach-s3c6410/cpu.c b/arch/arm/mach-s3c6410/cpu.c index 9b67c663d9d8..522c08691952 100644 --- a/arch/arm/mach-s3c6410/cpu.c +++ b/arch/arm/mach-s3c6410/cpu.c @@ -58,6 +58,7 @@ void __init s3c6410_map_io(void) /* initialise device information early */ s3c6410_default_sdhci0(); s3c6410_default_sdhci1(); + s3c6410_default_sdhci2(); /* the i2c devices are directly compatible with s3c2440 */ s3c_i2c0_setname("s3c2440-i2c"); diff --git a/arch/arm/plat-s3c/Kconfig b/arch/arm/plat-s3c/Kconfig index 8931c5f0e46b..57e685b68495 100644 --- a/arch/arm/plat-s3c/Kconfig +++ b/arch/arm/plat-s3c/Kconfig @@ -178,6 +178,11 @@ config S3C_DEV_HSMMC1 help Compile in platform device definitions for HSMMC channel 1 +config S3C_DEV_HSMMC2 + bool + help + Compile in platform device definitions for HSMMC channel 2 + config S3C_DEV_I2C1 bool help diff --git a/arch/arm/plat-s3c/Makefile b/arch/arm/plat-s3c/Makefile index 3c09109e9e84..50444da98425 100644 --- a/arch/arm/plat-s3c/Makefile +++ b/arch/arm/plat-s3c/Makefile @@ -36,6 +36,7 @@ obj-$(CONFIG_HAVE_PWM) += pwm.o obj-$(CONFIG_S3C_DEV_HSMMC) += dev-hsmmc.o obj-$(CONFIG_S3C_DEV_HSMMC1) += dev-hsmmc1.o +obj-$(CONFIG_S3C_DEV_HSMMC2) += dev-hsmmc2.o obj-y += dev-i2c0.o obj-$(CONFIG_S3C_DEV_I2C1) += dev-i2c1.o obj-$(CONFIG_S3C_DEV_FB) += dev-fb.o diff --git a/arch/arm/plat-s3c/dev-hsmmc2.c b/arch/arm/plat-s3c/dev-hsmmc2.c new file mode 100644 index 000000000000..33506c12b44c --- /dev/null +++ b/arch/arm/plat-s3c/dev-hsmmc2.c @@ -0,0 +1,69 @@ +/* linux/arch/arm/plat-s3c/dev-hsmmc2.c + * + * Copyright (c) 2009 Maurus Cuelenaere + * + * Based on arch/arm/plat-s3c/dev-hsmmc1.c + * original file Copyright (c) 2008 Simtec Electronics + * + * S3C series device definition for hsmmc device 2 + * + * 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/platform_device.h> +#include <linux/mmc/host.h> + +#include <mach/map.h> +#include <plat/sdhci.h> +#include <plat/devs.h> +#include <plat/cpu.h> + +#define S3C_SZ_HSMMC (0x1000) + +static struct resource s3c_hsmmc2_resource[] = { + [0] = { + .start = S3C_PA_HSMMC2, + .end = S3C_PA_HSMMC2 + S3C_SZ_HSMMC - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_HSMMC2, + .end = IRQ_HSMMC2, + .flags = IORESOURCE_IRQ, + } +}; + +static u64 s3c_device_hsmmc2_dmamask = 0xffffffffUL; + +struct s3c_sdhci_platdata s3c_hsmmc2_def_platdata = { + .max_width = 4, + .host_caps = (MMC_CAP_4_BIT_DATA | + MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED), +}; + +struct platform_device s3c_device_hsmmc2 = { + .name = "s3c-sdhci", + .id = 2, + .num_resources = ARRAY_SIZE(s3c_hsmmc2_resource), + .resource = s3c_hsmmc2_resource, + .dev = { + .dma_mask = &s3c_device_hsmmc2_dmamask, + .coherent_dma_mask = 0xffffffffUL, + .platform_data = &s3c_hsmmc2_def_platdata, + }, +}; + +void s3c_sdhci2_set_platdata(struct s3c_sdhci_platdata *pd) +{ + struct s3c_sdhci_platdata *set = &s3c_hsmmc2_def_platdata; + + set->max_width = pd->max_width; + + if (pd->cfg_gpio) + set->cfg_gpio = pd->cfg_gpio; + if (pd->cfg_card) + set->cfg_card = pd->cfg_card; +} diff --git a/arch/arm/plat-s3c/include/plat/sdhci.h b/arch/arm/plat-s3c/include/plat/sdhci.h index f615308ccdfb..d5a3b41bddb9 100644 --- a/arch/arm/plat-s3c/include/plat/sdhci.h +++ b/arch/arm/plat-s3c/include/plat/sdhci.h @@ -57,6 +57,7 @@ struct s3c_sdhci_platdata { */ extern void s3c_sdhci0_set_platdata(struct s3c_sdhci_platdata *pd); extern void s3c_sdhci1_set_platdata(struct s3c_sdhci_platdata *pd); +extern void s3c_sdhci2_set_platdata(struct s3c_sdhci_platdata *pd); /* Default platform data, exported so that per-cpu initialisation can * set the correct one when there are more than one cpu type selected. @@ -64,11 +65,13 @@ extern void s3c_sdhci1_set_platdata(struct s3c_sdhci_platdata *pd); extern struct s3c_sdhci_platdata s3c_hsmmc0_def_platdata; extern struct s3c_sdhci_platdata s3c_hsmmc1_def_platdata; +extern struct s3c_sdhci_platdata s3c_hsmmc2_def_platdata; /* Helper function availablity */ extern void s3c64xx_setup_sdhci0_cfg_gpio(struct platform_device *, int w); extern void s3c64xx_setup_sdhci1_cfg_gpio(struct platform_device *, int w); +extern void s3c64xx_setup_sdhci2_cfg_gpio(struct platform_device *, int w); /* S3C6400 SDHCI setup */ @@ -103,6 +106,17 @@ static inline void s3c6400_default_sdhci1(void) static inline void s3c6400_default_sdhci1(void) { } #endif /* CONFIG_S3C_DEV_HSMMC1 */ +#ifdef CONFIG_S3C_DEV_HSMMC2 +static inline void s3c6400_default_sdhci2(void) +{ + s3c_hsmmc2_def_platdata.clocks = s3c6400_hsmmc_clksrcs; + s3c_hsmmc2_def_platdata.cfg_gpio = s3c64xx_setup_sdhci2_cfg_gpio; + s3c_hsmmc2_def_platdata.cfg_card = s3c6400_setup_sdhci_cfg_card; +} +#else +static inline void s3c6400_default_sdhci2(void) { } +#endif /* CONFIG_S3C_DEV_HSMMC2 */ + #else static inline void s3c6400_default_sdhci0(void) { } static inline void s3c6400_default_sdhci1(void) { } @@ -140,6 +154,17 @@ static inline void s3c6410_default_sdhci1(void) static inline void s3c6410_default_sdhci1(void) { } #endif /* CONFIG_S3C_DEV_HSMMC1 */ +#ifdef CONFIG_S3C_DEV_HSMMC2 +static inline void s3c6410_default_sdhci2(void) +{ + s3c_hsmmc2_def_platdata.clocks = s3c6410_hsmmc_clksrcs; + s3c_hsmmc2_def_platdata.cfg_gpio = s3c64xx_setup_sdhci2_cfg_gpio; + s3c_hsmmc2_def_platdata.cfg_card = s3c6410_setup_sdhci0_cfg_card; +} +#else +static inline void s3c6410_default_sdhci2(void) { } +#endif /* CONFIG_S3C_DEV_HSMMC2 */ + #else static inline void s3c6410_default_sdhci0(void) { } static inline void s3c6410_default_sdhci1(void) { } diff --git a/arch/arm/plat-s3c64xx/setup-sdhci-gpio.c b/arch/arm/plat-s3c64xx/setup-sdhci-gpio.c index 5417123b0ac1..a58c0cc7ba5e 100644 --- a/arch/arm/plat-s3c64xx/setup-sdhci-gpio.c +++ b/arch/arm/plat-s3c64xx/setup-sdhci-gpio.c @@ -53,3 +53,23 @@ void s3c64xx_setup_sdhci1_cfg_gpio(struct platform_device *dev, int width) s3c_gpio_setpull(S3C64XX_GPG(6), S3C_GPIO_PULL_UP); s3c_gpio_cfgpin(S3C64XX_GPG(6), S3C_GPIO_SFN(3)); } + +void s3c64xx_setup_sdhci2_cfg_gpio(struct platform_device *dev, int width) +{ + unsigned int gpio; + unsigned int end; + + end = S3C64XX_GPH(6 + width); + + /* Set all the necessary GPH pins to special-function 1 */ + for (gpio = S3C64XX_GPH(6); gpio < end; gpio++) { + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(3)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + } + + /* Set all the necessary GPC pins to special-function 1 */ + for (gpio = S3C64XX_GPC(4); gpio < S3C64XX_GPC(6); gpio++) { + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(3)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + } +} |