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path: root/packages/linux/linux-gumstix-2.6.15/gumstix-mmc.patch
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Diffstat (limited to 'packages/linux/linux-gumstix-2.6.15/gumstix-mmc.patch')
-rw-r--r--packages/linux/linux-gumstix-2.6.15/gumstix-mmc.patch91
1 files changed, 91 insertions, 0 deletions
diff --git a/packages/linux/linux-gumstix-2.6.15/gumstix-mmc.patch b/packages/linux/linux-gumstix-2.6.15/gumstix-mmc.patch
new file mode 100644
index 0000000000..e526712091
--- /dev/null
+++ b/packages/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