diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-01-29 08:49:49 +1100 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-01-29 08:49:49 +1100 |
commit | bb04af0e2e5bcd8d1a5d7f7d5c704f7eb328f241 (patch) | |
tree | fd67625ba9758dceff28dfca39127d7f07dae981 /arch/arm/mach-pxa/zylonite.c | |
parent | 0affa456cb6da51a31a6dd76b3d8827f467f807d (diff) | |
parent | 0ff66f0c7a5f1f4f5a0d91341b6f71fd2a49f0fa (diff) |
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (176 commits)
[ARM] 4795/1: S3C244X: Add armclk and setparent call
[ARM] 4794/1: S3C24XX: Comonise S3C2440 and S3C2442 clock code
[ARM] 4793/1: S3C24XX: Add IRQ->GPIO pin mapping function
[ARM] 4792/1: S3C24XX: Remove warnings from debug-macro.S
[ARM] 4791/1: S3C2412: Make fclk a parent of msysclk
[ARM] 4790/1: S3C2412: Fix parent selection for msysclk.
[ARM] 4789/1: S3C2412: Add missing CLKDIVN register values
[ARM] 4788/1: S3C24XX: Fix paramet to s3c2410_dma_ctrl if S3C2410_DMAF_AUTOSTART used.
[ARM] 4787/1: S3C24XX: s3c2410_dma_request() should return the allocated channel number
[ARM] 4786/1: S3C2412: Add SPI FIFO controll constants
[ARM] 4785/1: S3C24XX: Add _SHIFT definitions for S3C2410_BANKCON registers
[ARM] 4784/1: S3C24XX: Fix GPIO restore glitches
[ARM] 4783/1: S3C24XX: Add s3c2410_gpio_getpull()
[ARM] 4782/1: S3C24XX: Define FIQ_START for any FIQ users
[ARM] 4781/1: S3C24XX: DMA suspend and resume support
[ARM] 4780/1: S3C2412: Allow for seperate DMA channels for TX and RX
[ARM] 4779/1: S3C2412: Add s3c2412_gpio_set_sleepcfg() call
[ARM] 4778/1: S3C2412: Add armclk and init from DVS state
[ARM] 4777/1: S3C24XX: Ensure clk_set_rate() checks the set_rate method for the clk
[ARM] 4775/1: s3c2410: fix compilation error if only s3c2442 cpu is selected
...
Diffstat (limited to 'arch/arm/mach-pxa/zylonite.c')
-rw-r--r-- | arch/arm/mach-pxa/zylonite.c | 96 |
1 files changed, 95 insertions, 1 deletions
diff --git a/arch/arm/mach-pxa/zylonite.c b/arch/arm/mach-pxa/zylonite.c index 743a87b2faa..7731d50dd86 100644 --- a/arch/arm/mach-pxa/zylonite.c +++ b/arch/arm/mach-pxa/zylonite.c @@ -25,9 +25,13 @@ #include <asm/arch/gpio.h> #include <asm/arch/pxafb.h> #include <asm/arch/zylonite.h> +#include <asm/arch/mmc.h> #include "generic.h" +#define MAX_SLOTS 3 +struct platform_mmc_slot zylonite_mmc_slot[MAX_SLOTS]; + int gpio_backlight; int gpio_eth_irq; @@ -43,7 +47,7 @@ static struct resource smc91x_resources[] = { [1] = { .start = -1, /* for run-time assignment */ .end = -1, - .flags = IORESOURCE_IRQ, + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, } }; @@ -156,6 +160,95 @@ static void __init zylonite_init_lcd(void) static inline void zylonite_init_lcd(void) {} #endif +#if defined(CONFIG_MMC) +static int zylonite_mci_ro(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + + return gpio_get_value(zylonite_mmc_slot[pdev->id].gpio_wp); +} + +static int zylonite_mci_init(struct device *dev, + irq_handler_t zylonite_detect_int, + void *data) +{ + struct platform_device *pdev = to_platform_device(dev); + int err, cd_irq, gpio_cd, gpio_wp; + + cd_irq = gpio_to_irq(zylonite_mmc_slot[pdev->id].gpio_cd); + gpio_cd = zylonite_mmc_slot[pdev->id].gpio_cd; + gpio_wp = zylonite_mmc_slot[pdev->id].gpio_wp; + + /* + * setup GPIO for Zylonite MMC controller + */ + err = gpio_request(gpio_cd, "mmc card detect"); + if (err) + goto err_request_cd; + gpio_direction_input(gpio_cd); + + err = gpio_request(gpio_wp, "mmc write protect"); + if (err) + goto err_request_wp; + gpio_direction_input(gpio_wp); + + err = request_irq(cd_irq, zylonite_detect_int, + IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, + "MMC card detect", data); + if (err) { + printk(KERN_ERR "%s: MMC/SD/SDIO: " + "can't request card detect IRQ\n", __func__); + goto err_request_irq; + } + + return 0; + +err_request_irq: + gpio_free(gpio_wp); +err_request_wp: + gpio_free(gpio_cd); +err_request_cd: + return err; +} + +static void zylonite_mci_exit(struct device *dev, void *data) +{ + struct platform_device *pdev = to_platform_device(dev); + int cd_irq, gpio_cd, gpio_wp; + + cd_irq = gpio_to_irq(zylonite_mmc_slot[pdev->id].gpio_cd); + gpio_cd = zylonite_mmc_slot[pdev->id].gpio_cd; + gpio_wp = zylonite_mmc_slot[pdev->id].gpio_wp; + + free_irq(cd_irq, data); + gpio_free(gpio_cd); + gpio_free(gpio_wp); +} + +static struct pxamci_platform_data zylonite_mci_platform_data = { + .detect_delay = 20, + .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, + .init = zylonite_mci_init, + .exit = zylonite_mci_exit, + .get_ro = zylonite_mci_ro, +}; + +static struct pxamci_platform_data zylonite_mci2_platform_data = { + .detect_delay = 20, + .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, +}; + +static void __init zylonite_init_mmc(void) +{ + pxa_set_mci_info(&zylonite_mci_platform_data); + pxa3xx_set_mci2_info(&zylonite_mci2_platform_data); + if (cpu_is_pxa310()) + pxa3xx_set_mci3_info(&zylonite_mci_platform_data); +} +#else +static inline void zylonite_init_mmc(void) {} +#endif + static void __init zylonite_init(void) { /* board-processor specific initialization */ @@ -171,6 +264,7 @@ static void __init zylonite_init(void) platform_device_register(&smc91x_device); zylonite_init_lcd(); + zylonite_init_mmc(); } MACHINE_START(ZYLONITE, "PXA3xx Platform Development Kit (aka Zylonite)") |