diff options
Diffstat (limited to 'packages/linux/linux-ezx-2.6.23/patches/a1200-mci.patch')
| -rw-r--r-- | packages/linux/linux-ezx-2.6.23/patches/a1200-mci.patch | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/packages/linux/linux-ezx-2.6.23/patches/a1200-mci.patch b/packages/linux/linux-ezx-2.6.23/patches/a1200-mci.patch new file mode 100644 index 0000000000..e5f3257d11 --- /dev/null +++ b/packages/linux/linux-ezx-2.6.23/patches/a1200-mci.patch @@ -0,0 +1,124 @@ +Index: linux-2.6.23/arch/arm/mach-pxa/ezx-a1200.c +=================================================================== +--- linux-2.6.23.orig/arch/arm/mach-pxa/ezx-a1200.c 2007-10-24 18:58:55.000000000 +0200 ++++ linux-2.6.23/arch/arm/mach-pxa/ezx-a1200.c 2007-10-24 19:37:21.000000000 +0200 +@@ -13,6 +13,8 @@ + #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> +@@ -20,12 +22,102 @@ + #include <asm/arch/pxafb.h> + #include <asm/arch/ezx.h> + #include <asm/arch/ezx-pcap.h> ++#include <asm/arch/mmc.h> + + #include "generic.h" + + 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 a1200_mci_platform_data; ++ ++static u_int8_t mmc_voltage[] = { ++ [ilog2(MMC_VDD_165_195)] = 6, ++ [ilog2(MMC_VDD_20_21)] = 7, ++ [ilog2(MMC_VDD_21_22)] = 8, ++ [ilog2(MMC_VDD_22_23)] = 8, ++ [ilog2(MMC_VDD_23_24)] = 9, ++ [ilog2(MMC_VDD_24_25)] = 9, ++ [ilog2(MMC_VDD_25_26)] = 10, ++ [ilog2(MMC_VDD_26_27)] = 10, ++ [ilog2(MMC_VDD_27_28)] = 11, ++ [ilog2(MMC_VDD_28_29)] = 11, ++ [ilog2(MMC_VDD_29_30)] = 12, ++ [ilog2(MMC_VDD_30_31)] = 12, ++ [ilog2(MMC_VDD_31_32)] = 13, ++ [ilog2(MMC_VDD_32_33)] = 13, ++ [ilog2(MMC_VDD_33_34)] = 14, ++ [ilog2(MMC_VDD_34_35)] = 14, ++ [ilog2(MMC_VDD_35_36)] = 15, ++}; ++ ++static int a1200_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); ++ ++ a1200_mci_platform_data.detect_delay = msecs_to_jiffies(250); ++ ++ err = request_irq(0x49, ezx_detect_int, IRQF_DISABLED, ++ "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 void a1200_mci_setpower(struct device *dev, unsigned int vdd) ++{ ++ struct pxamci_platform_data* p_d = dev->platform_data; ++ ++ if (( 1 << vdd) & p_d->ocr_mask) ++ ezx_pcap_mmcsd_voltage(mmc_voltage[vdd]); ++ ++ ezx_pcap_mmcsd_power(1); ++} ++ ++static void a1200_mci_exit(struct device *dev, void *data) ++{ ++ ezx_pcap_mmcsd_power(0); ++ free_irq(0x49, data); ++} ++ ++static struct pxamci_platform_data a1200_mci_platform_data = { ++ .ocr_mask = MMC_VDD_165_195|MMC_VDD_20_21|MMC_VDD_21_22 ++ |MMC_VDD_22_23|MMC_VDD_23_24|MMC_VDD_24_25 ++ |MMC_VDD_25_26|MMC_VDD_26_27|MMC_VDD_27_28 ++ |MMC_VDD_28_29|MMC_VDD_29_30|MMC_VDD_30_31 ++ |MMC_VDD_31_32|MMC_VDD_32_33|MMC_VDD_33_34 ++ |MMC_VDD_34_35|MMC_VDD_35_36, ++ .init = a1200_mci_init, ++ .setpower = a1200_mci_setpower, ++ .exit = a1200_mci_exit, ++}; ++ + static struct pxafb_mode_info mode_a1200 = { + .pixclock = 192308, + .xres = 240, +@@ -118,6 +210,7 @@ + static void __init a1200_init(void) + { + set_pxa_fb_info(&a1200_fb_info); ++ pxa_set_mci_info(&a1200_mci_platform_data); + + platform_add_devices(devices, ARRAY_SIZE(devices)); + } |