diff options
Diffstat (limited to 'packages/linux/linux-ezx-2.6.21/e680-mci.patch')
| -rw-r--r-- | packages/linux/linux-ezx-2.6.21/e680-mci.patch | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/packages/linux/linux-ezx-2.6.21/e680-mci.patch b/packages/linux/linux-ezx-2.6.21/e680-mci.patch new file mode 100644 index 0000000000..1bf69176ef --- /dev/null +++ b/packages/linux/linux-ezx-2.6.21/e680-mci.patch @@ -0,0 +1,127 @@ +Index: linux-2.6.21/arch/arm/mach-pxa/ezx-e680.c +=================================================================== +--- linux-2.6.21.orig/arch/arm/mach-pxa/ezx-e680.c 2007-05-08 03:47:41.000000000 -0300 ++++ linux-2.6.21/arch/arm/mach-pxa/ezx-e680.c 2007-05-08 13:03:53.000000000 -0300 +@@ -13,11 +13,14 @@ + #include <linux/init.h> + #include <linux/platform_device.h> + #include <linux/fb.h> ++#include <linux/mmc/host.h> ++#include <linux/irq.h> + + #include <asm/mach-types.h> + #include <asm/mach/arch.h> + #include <asm/arch/pxa-regs.h> + #include <asm/arch/pxafb.h> ++#include <asm/arch/mmc.h> + + #include "generic.h" + #include "ezx.h" +@@ -25,6 +28,99 @@ + extern void ezx_lcd_power(int, struct fb_var_screeninfo *); + extern void ezx_backlight_power(int); + ++#ifdef CONFIG_EZX_PCAP ++extern int ezx_pcap_mmcsd_power(int); ++extern void ezx_pcap_mmcsd_voltage(u_int32_t); ++#else ++#define ezx_pcap_mmcsd_voltage(x) {} ++#define ezx_pcap_mmcsd_power(x) {} ++#endif ++ ++static struct pxamci_platform_data e680_mci_platform_data; ++ ++static u_int8_t mmc_voltage[] = { ++ [MMC_VDD_160] = 3, ++ [MMC_VDD_170] = 3, ++ [MMC_VDD_180] = 3, ++ [MMC_VDD_190] = 3, ++ [MMC_VDD_200] = 3, ++ [MMC_VDD_210] = 3, ++ [MMC_VDD_220] = 3, ++ [MMC_VDD_230] = 3, ++ [MMC_VDD_240] = 3, ++ [MMC_VDD_250] = 3, ++ [MMC_VDD_260] = 3, ++ [MMC_VDD_270] = 3, ++ [MMC_VDD_280] = 3, ++ [MMC_VDD_290] = 3, ++ [MMC_VDD_300] = 3, ++ [MMC_VDD_310] = 3, ++ [MMC_VDD_320] = 3, ++ [MMC_VDD_330] = 3, ++ [MMC_VDD_340] = 3, ++ [MMC_VDD_350] = 3, ++ [MMC_VDD_360] = 3, ++}; ++ ++static int e680_mci_init(struct device *dev, ++ irqreturn_t (*ezx_detect_int)(int, void *), ++ void *data) ++{ ++ int err; ++ ++ /* Setup GPIO for PXA27x MMC/SD controller */ ++ pxa_gpio_mode(GPIO32_MMCCLK_MD); ++ pxa_gpio_mode(GPIO112_MMCCMD_MD); ++ pxa_gpio_mode(GPIO92_MMCDAT0_MD); ++ pxa_gpio_mode(GPIO109_MMCDAT1_MD); ++ pxa_gpio_mode(GPIO110_MMCDAT2_MD); ++ pxa_gpio_mode(GPIO111_MMCDAT3_MD); ++ ++ ezx_pcap_mmcsd_power(1); ++ ++ e680_mci_platform_data.detect_delay = msecs_to_jiffies(250); ++ ++ err = request_irq(0x49, ezx_detect_int, SA_INTERRUPT, ++ "MMC card detect", data); ++ if (err) { ++ printk(KERN_ERR "ezx_mci_detect: MMC/SD: can't request " ++ "MMC card detect IRQ\n"); ++ return -1; ++ } ++ ++ set_irq_type(0x0b, IRQT_BOTHEDGE); ++ ++ return 0; ++} ++ ++ ++static inline int e680_mci_get_ro(struct device *dev) ++{ ++ return (GPLR3 & 0x800); ++} ++ ++static void e680_mci_setpower(struct device *dev, unsigned int vdd) ++{ ++ if (vdd <= MMC_VDD_360) ++ ezx_pcap_mmcsd_voltage(mmc_voltage[vdd]); ++ ++ ezx_pcap_mmcsd_power(1); ++} ++ ++static void e680_mci_exit(struct device *dev, void *data) ++{ ++ ezx_pcap_mmcsd_power(0); ++ free_irq(0x49, data); ++} ++ ++static struct pxamci_platform_data e680_mci_platform_data = { ++ .ocr_mask = MMC_VDD_27_28, ++ .init = e680_mci_init, ++ .get_ro = e680_mci_get_ro, ++ .setpower = e680_mci_setpower, ++ .exit = e680_mci_exit, ++}; ++ + static struct pxafb_mode_info mode_e680 = { + .pixclock = 150000, + .xres = 240, +@@ -65,6 +161,7 @@ + PSLR = 0x05800f00; + + set_pxa_fb_info(&e680_fb_info); ++ pxa_set_mci_info(&e680_mci_platform_data); + + platform_add_devices(devices, ARRAY_SIZE(devices)); + } |