mirror of
https://git.openwrt.org/openwrt/openwrt.git
synced 2024-11-19 23:17:53 +01:00
81 lines
2.6 KiB
Diff
81 lines
2.6 KiB
Diff
Index: linux-2.6.21gum/arch/arm/mach-pxa/gumstix.c
|
|
===================================================================
|
|
--- linux-2.6.21gum.orig/arch/arm/mach-pxa/gumstix.c
|
|
+++ linux-2.6.21gum/arch/arm/mach-pxa/gumstix.c
|
|
@@ -29,19 +29,55 @@
|
|
|
|
#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;
|
|
+
|
|
pxa_gpio_mode(GPIO6_MMCCLK_MD);
|
|
pxa_gpio_mode(GPIO53_MMCCLK_MD);
|
|
pxa_gpio_mode(GPIO8_MMCCS0_MD);
|
|
|
|
+ pxa_gpio_mode(GUMSTIX_GPIO_nSD_DETECT | GPIO_IN);
|
|
+ set_irq_type(GUMSTIX_IRQ_GPIO_nSD_DETECT, IRQT_BOTHEDGE);
|
|
+ pxa_gpio_mode(GUMSTIX_GPIO_nSD_WP | GPIO_IN);
|
|
+
|
|
+ gumstix_mci_platform_data.detect_delay = msecs_to_jiffies(250);
|
|
+
|
|
+ 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;
|
|
+ }
|
|
+
|
|
+ err = set_irq_type(GUMSTIX_IRQ_GPIO_nSD_DETECT, IRQT_BOTHEDGE);
|
|
+
|
|
return 0;
|
|
}
|
|
|
|
+static int gumstix_mci_get_ro(struct device *dev)
|
|
+{
|
|
+#ifdef CONFIG_ARCH_GUMSTIX_VERDEX
|
|
+ return 0; // microSD is always writable on verdex
|
|
+#else
|
|
+ int ro;
|
|
+ ro = GPLR(GUMSTIX_GPIO_nSD_WP) & GPIO_bit(GUMSTIX_GPIO_nSD_WP);
|
|
+ return ro;
|
|
+#endif
|
|
+}
|
|
+
|
|
+static void gumstix_mci_exit(struct device *dev, void *data)
|
|
+{
|
|
+ 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 struct pxa2xx_udc_mach_info gumstix_udc_info __initdata = {
|
|
Index: linux-2.6.21gum/include/asm-arm/arch-pxa/gumstix.h
|
|
===================================================================
|
|
--- linux-2.6.21gum.orig/include/asm-arm/arch-pxa/gumstix.h
|
|
+++ linux-2.6.21gum/include/asm-arm/arch-pxa/gumstix.h
|
|
@@ -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(GUMSTIX_GPIO_nSD_DETECT)
|
|
|
|
/*
|
|
* SMC Ethernet definitions
|