diff options
Diffstat (limited to 'recipes/linux/linux-gumstix-2.6.15/gumstix-mmc.patch')
| -rw-r--r-- | recipes/linux/linux-gumstix-2.6.15/gumstix-mmc.patch | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/recipes/linux/linux-gumstix-2.6.15/gumstix-mmc.patch b/recipes/linux/linux-gumstix-2.6.15/gumstix-mmc.patch new file mode 100644 index 0000000000..e526712091 --- /dev/null +++ b/recipes/linux/linux-gumstix-2.6.15/gumstix-mmc.patch @@ -0,0 +1,91 @@ +diff -udrp linux-2.6.15/arch/arm/mach-pxa/gumstix.c linux-2.6.15.mine/arch/arm/mach-pxa/gumstix.c +--- linux-2.6.15/arch/arm/mach-pxa/gumstix.c 2006-04-11 00:29:42.000000000 -0400 ++++ linux-2.6.15.mine/arch/arm/mach-pxa/gumstix.c 2006-04-11 00:11:38.000000000 -0400 +@@ -28,19 +28,60 @@ + + #include "generic.h" + +-static int gumstix_mci_init(struct device *dev, irqreturn_t (*lubbock_detect_int)(int, void *, struct pt_regs *), void *data) ++static struct pxamci_platform_data gumstix_mci_platform_data; ++ ++static int gumstix_mci_init(struct device *dev, irqreturn_t (*gumstix_detect_int)(int, void *, struct pt_regs *), void *data) + { +- // Set up MMC controller ++ int err; ++ ++ //printk("entering gumstix_mci_init\n"); ++ + pxa_gpio_mode(GPIO6_MMCCLK_MD); + pxa_gpio_mode(GPIO53_MMCCLK_MD); + pxa_gpio_mode(GPIO8_MMCCS0_MD); + ++ //printk(" setting gpio sd detect\n"); ++ pxa_gpio_mode(GUMSTIX_GPIO_nSD_DETECT | GPIO_IN); ++ pxa_gpio_mode(GUMSTIX_GPIO_nSD_WP | GPIO_IN); ++ ++ //printk(" setting delay to "); ++ gumstix_mci_platform_data.detect_delay = msecs_to_jiffies(200); ++ //printk("%d\n", gumstix_mci_platform_data.detect_delay); ++ ++ err = request_irq(GUMSTIX_IRQ_GPIO_nSD_DETECT, gumstix_detect_int, SA_INTERRUPT, ++ "MMC card detect", data); ++ if (err) { ++ printk(KERN_ERR "gumstix_mci_init: MMC/SD: can't request MMC card detect IRQ\n"); ++ return -1; ++ } ++ ++ //printk(" set_irq_type returned a "); ++ err = set_irq_type(GUMSTIX_IRQ_GPIO_nSD_DETECT, IRQT_BOTHEDGE); ++ //printk("%d\n", err); ++ + return 0; + } + ++static int gumstix_mci_get_ro(struct device *dev) ++{ ++ int ro; ++ //printk("entering gumstix_mci_get_ro\n"); ++ ro = GPLR(GUMSTIX_GPIO_nSD_WP) & GPIO_bit(GUMSTIX_GPIO_nSD_WP); ++ //printk(" ro is %d\n", ro); ++ return ro; ++} ++ ++static void gumstix_mci_exit(struct device *dev, void *data) ++{ ++ //printk("entering gumstix_mci_exit\n"); ++ free_irq(GUMSTIX_IRQ_GPIO_nSD_DETECT, data); ++} ++ + static struct pxamci_platform_data gumstix_mci_platform_data = { + .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, +- .init = &gumstix_mci_init, ++ .init = gumstix_mci_init, ++ .get_ro = gumstix_mci_get_ro, ++ .exit = gumstix_mci_exit, + }; + + static int gumstix_udc_is_connected(void) +@@ -76,6 +117,7 @@ static struct platform_device *devices[] + + static void __init gumstix_init(void) + { ++ //printk("entering gumstix_init\n"); + pxa_set_mci_info(&gumstix_mci_platform_data); + pxa_set_udc_info(&gumstix_udc_info); + (void) platform_add_devices(devices, ARRAY_SIZE(devices)); +diff -udrp linux-2.6.15/include/asm-arm/arch-pxa/gumstix.h linux-2.6.15.mine/include/asm-arm/arch-pxa/gumstix.h +--- linux-2.6.15/include/asm-arm/arch-pxa/gumstix.h 2006-04-11 00:29:43.000000000 -0400 ++++ linux-2.6.15.mine/include/asm-arm/arch-pxa/gumstix.h 2006-04-10 22:26:20.000000000 -0400 +@@ -36,6 +36,12 @@ + #define GPIO_GUMSTIX_USB_GPIOx_CON_MD (GPIO_GUMSTIX_USB_GPIOx | GPIO_OUT) + #define GPIO_GUMSTIX_USB_GPIOx_DIS_MD (GPIO_GUMSTIX_USB_GPIOx | GPIO_IN) + ++/* ++ * SD/MMC definitions ++ */ ++#define GUMSTIX_GPIO_nSD_WP (22) /* SD Write Protect? */ ++#define GUMSTIX_GPIO_nSD_DETECT (11) /* MMC/SD Card Detect */ ++#define GUMSTIX_IRQ_GPIO_nSD_DETECT IRQ_GPIO(11) + + /* + * SMC Ethernet definitions |