diff options
Diffstat (limited to 'packages/linux/linux-ezx-2.6.21/ezx-mci.patch')
| -rw-r--r-- | packages/linux/linux-ezx-2.6.21/ezx-mci.patch | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/packages/linux/linux-ezx-2.6.21/ezx-mci.patch b/packages/linux/linux-ezx-2.6.21/ezx-mci.patch new file mode 100644 index 0000000000..d16693e3e4 --- /dev/null +++ b/packages/linux/linux-ezx-2.6.21/ezx-mci.patch @@ -0,0 +1,177 @@ +Index: linux-2.6.20.7/arch/arm/mach-pxa/ezx-mci.c +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.20.7/arch/arm/mach-pxa/ezx-mci.c 2007-04-20 01:10:13.000000000 -0300 +@@ -0,0 +1,159 @@ ++/* ++ * linux/arch/arm/mach-ezx/a780.c ++ * ++ * Support for the Motorola Ezx A780 Development Platform. ++ * ++ * Author: Zhuang Xiaofan ++ * Created: Nov 25, 2003 ++ * Copyright: Motorola Inc. ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++#include <linux/mmc/host.h> ++#include <linux/irq.h> ++#include <asm/irq.h> ++#include <asm/arch/pxa-regs.h> ++#include <asm/arch/ezx-pcap.h> ++#include <asm/arch/mmc.h> ++#include <asm/arch/hardware.h> ++ ++extern int ezx_pcap_mmcsd_power(int); ++extern void ezx_pcap_mmcsd_voltage(u_int32_t); ++ ++static struct pxamci_platform_data ezx_mci_platform_data; ++ ++static int ezx_mci_init(struct device *dev, ++ irqreturn_t (*ezx_detect_int)(int, void *), ++ void *data) ++{ ++ int err; ++ printk("%s entered\n", __FUNCTION__); ++ ++ /* 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); ++ ++ ezx_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 int ezx_mci_get_ro(struct device *dev) ++{ ++ printk("%s entered\n", __FUNCTION__); ++#if defined(CONFIG_PXA_EZX_E680) ++ /* this is only e680, i guess */ ++ // return GPIO_is_high(96+4); ++ return (GPLR3 & 0x800); ++#else ++ return 0; ++#endif ++} ++ ++#if defined(CONFIG_PXA_EZX_A780) ++static u_int8_t mmc_voltage[] = { ++ [MMC_VDD_160] = 5, ++ [MMC_VDD_170] = 5, ++ [MMC_VDD_180] = 6, ++ [MMC_VDD_190] = 6, ++ [MMC_VDD_200] = 7, ++ [MMC_VDD_210] = 7, ++ [MMC_VDD_220] = 8, ++ [MMC_VDD_230] = 8, ++ [MMC_VDD_240] = 9, ++ [MMC_VDD_250] = 9, ++ [MMC_VDD_260] = 10, ++ [MMC_VDD_270] = 10, ++ [MMC_VDD_280] = 11, ++ [MMC_VDD_290] = 11, ++ [MMC_VDD_300] = 12, ++ [MMC_VDD_310] = 12, ++ [MMC_VDD_320] = 13, ++ [MMC_VDD_330] = 13, ++ [MMC_VDD_340] = 14, ++ [MMC_VDD_350] = 14, ++ [MMC_VDD_360] = 15, ++}; ++#elif defined(CONFIG_PXA_EZX_E680) ++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, ++}; ++#endif ++ ++static void ezx_mci_setpower(struct device *dev, unsigned int vdd) ++{ ++ printk("%s(vdd=%u) entered\n", __FUNCTION__, vdd); ++ if (vdd <= MMC_VDD_360) ++ ezx_pcap_mmcsd_voltage(mmc_voltage[vdd]); ++ ++ ezx_pcap_mmcsd_power(1); ++} ++ ++static void ezx_mci_exit(struct device *dev, void *data) ++{ ++ printk("%s entered\n", __FUNCTION__); ++ ezx_pcap_mmcsd_power(0); ++ free_irq(0x49, data); ++} ++ ++static struct pxamci_platform_data ezx_mci_platform_data = { ++#if defined(CONFIG_PXA_EZX_E680) ++ .ocr_mask = MMC_VDD_27_28, ++#elif defined(CONFIG_PXA_EZX_A780) ++ .ocr_mask = MMC_VDD_160_165|MMC_VDD_18_19|MMC_VDD_20_21 ++ |MMC_VDD_22_23|MMC_VDD_24_25|MMC_VDD_26_27 ++ |MMC_VDD_28_29|MMC_VDD_30_31|MMC_VDD_32_33 ++ |MMC_VDD_34_35|MMC_VDD_35_36, ++#endif ++ .init = ezx_mci_init, ++ .get_ro = ezx_mci_get_ro, ++ .setpower = ezx_mci_setpower, ++ .exit = ezx_mci_exit, ++}; ++ ++int __init __ezx_mci_init (void) ++{ ++ pxa_set_mci_info(&ezx_mci_platform_data); ++ return 0; ++} ++ ++arch_initcall(__ezx_mci_init); +Index: linux-2.6.20.7/arch/arm/mach-pxa/Makefile +=================================================================== +--- linux-2.6.20.7.orig/arch/arm/mach-pxa/Makefile 2007-04-21 02:56:16.000000000 -0300 ++++ linux-2.6.20.7/arch/arm/mach-pxa/Makefile 2007-04-21 03:00:03.000000000 -0300 +@@ -18,7 +18,7 @@ + obj-$(CONFIG_MACH_AKITA) += akita-ioexp.o + obj-$(CONFIG_MACH_POODLE) += poodle.o corgi_ssp.o + obj-$(CONFIG_MACH_TOSA) += tosa.o +-obj-$(CONFIG_PXA_EZX) += ezx.o ezx_lcd.o ezx_ssp.o ezx-pcap.o ++obj-$(CONFIG_PXA_EZX) += ezx.o ezx_lcd.o ezx_ssp.o ezx-pcap.o ezx-mci.o + + # Support for blinky lights + led-y := leds.o |