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authorKoen Kooi <koen@openembedded.org>2007-04-27 13:30:16 +0000
committerKoen Kooi <koen@openembedded.org>2007-04-27 13:30:16 +0000
commitdb477f6aecf039a72161e247362b979f9e172e4a (patch)
tree63764cd3a79eef3388f9542e1e97b83951acbfc2 /packages/linux/linux-ezx-2.6.21/ezx-mci.patch
parent3337df0371d7484280e9470c998dcc1cc9b86542 (diff)
linux-ezx: add experimental 2.6.21 kernel for a780
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.patch177
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