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openwrt-xburst/target/linux/xburst/patches-2.6.24/0013-fix-mmc-driver.patch
Xiangfu Liu 4808ec76e8 add-2.6.24-kernel-patch 
Signed-off-by: Xiangfu Liu <xiangfu.z@gmail.com>
2009-10-28 03:13:09 +08:00

191 lines
5.5 KiB
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From 7d5623d6b172373f943ffe6d976e2830a2081050 Mon Sep 17 00:00:00 2001
From: Xiangfu Liu <xiangfu.z@gmail.com>
Date: Wed, 15 Jul 2009 15:57:56 +0800
Subject: [PATCH] fix mmc driver
---
arch/mips/jz4740/board-pi.c | 45 ++++++++++++++++++++-----------
drivers/mmc/host/jz_mmc.c | 13 +++++---
drivers/mtd/nand/jz4740_nand.c | 17 +++++------
include/asm-mips/mach-jz4740/board-pi.h | 6 ++--
4 files changed, 48 insertions(+), 33 deletions(-)
diff --git a/arch/mips/jz4740/board-pi.c b/arch/mips/jz4740/board-pi.c
index 05e577e..7123352 100644
--- a/arch/mips/jz4740/board-pi.c
+++ b/arch/mips/jz4740/board-pi.c
@@ -61,12 +61,6 @@ static void __init board_gpio_setup(void)
/*
* Most of the GPIO pins should have been initialized by the boot-loader
*/
-
- /*
- * Initialize MSC pins
- */
- /* __gpio_as_msc(); */
-
/*
* Initialize UART0 pins
*/
@@ -88,26 +82,45 @@ static void __init board_gpio_setup(void)
/* __gpio_as_i2c(); */
/*
+ * Initialize MSC pins
+ */
+ /* __gpio_as_msc(); */
+
+ /*
* Initialize Other pins
*/
- /* __gpio_as_output(GPIO_SD_VCC_EN_N); */
- /* __gpio_clear_pin(GPIO_SD_VCC_EN_N); */
- /* __gpio_set_pin(GPIO_SD_VCC_EN_N); */
- /* __gpio_as_input(GPIO_SD_CD_N); */
- /* __gpio_disable_pull(GPIO_SD_CD_N); */
+ /* unsigned int i;
+ for (i = 0; i < 8; i++) {
+ __gpio_as_output(GPIO_KEYOUT_BASE + i);
+ __gpio_set_pin(GPIO_KEYOUT_BASE + i);
+ }
- /* __gpio_as_input(GPIO_SD_WP); */
- /* __gpio_disable_pull(GPIO_SD_WP); */
+ for (i = 0; i < 7; i++){
+ __gpio_as_input(GPIO_KEYIN_BASE + i);
+ __gpio_enable_pull(GPIO_KEYIN_BASE + i);
+ }
+ __gpio_as_input( GPIO_KEYIN_8 );
+ __gpio_enable_pull( GPIO_KEYIN_8 );
+ */
- /* __gpio_as_output(GPIO_LED_EN); */
+ __gpio_as_output(GPIO_SD_VCC_EN_N);
+ __gpio_disable_pull(GPIO_SD_VCC_EN_N);
+ __gpio_clear_pin(GPIO_SD_VCC_EN_N);
+
+ __gpio_as_input(GPIO_SD_CD_N);
+ __gpio_disable_pull(GPIO_SD_CD_N);
+
+ __gpio_as_input(GPIO_SD_WP);
+ __gpio_disable_pull(GPIO_SD_WP);
- /* __gpio_as_input(GPIO_USB_DETE); */
- /* __gpio_as_output(GPIO_DISP_OFF_N); */
__gpio_as_input(GPIO_DC_DETE_N);
__gpio_as_input(GPIO_CHARG_STAT_N);
+ /* __gpio_as_output(GPIO_DISP_OFF_N); */
+ /* __gpio_as_input(GPIO_USB_DETE); */
+ /* __gpio_as_output(GPIO_LED_EN); */
}
void __init jz_board_setup(void)
diff --git a/drivers/mmc/host/jz_mmc.c b/drivers/mmc/host/jz_mmc.c
index 29ab9bb..de52028 100644
--- a/drivers/mmc/host/jz_mmc.c
+++ b/drivers/mmc/host/jz_mmc.c
@@ -843,9 +843,9 @@ static int jz_mmc_probe(struct platform_device *pdev)
return retval;
}
jz_mmc_slot_is_empty(0);
- /* Request card detect interrupt */
- retval = request_irq(MSC_HOTPLUG_IRQ, jz_mmc_detect_irq, 0, //SA_INTERRUPT,
+ /* Request card detect interrupt */
+ retval = request_irq(19 /*MSC_HOTPLUG_IRQ*/, jz_mmc_detect_irq, 0, //SA_INTERRUPT,
"MMC card detect", host);
if (retval) {
printk(KERN_ERR "MMC/SD: can't request card detect IRQ\n");
@@ -889,10 +889,13 @@ static int jz_mmc_probe(struct platform_device *pdev)
#endif
return 0;
-err1:free_irq(IRQ_MSC, &host);
+err1:
+ free_irq(IRQ_MSC, &host);
#ifdef USE_DMA
- err2:jz_free_dma(rxdmachan);
- err3:jz_free_dma(txdmachan);
+ err2:
+ jz_free_dma(rxdmachan);
+ err3:
+ jz_free_dma(txdmachan);
#endif
out:
if (host) {
diff --git a/drivers/mtd/nand/jz4740_nand.c b/drivers/mtd/nand/jz4740_nand.c
index 4c9c1d9..b36ed44 100644
--- a/drivers/mtd/nand/jz4740_nand.c
+++ b/drivers/mtd/nand/jz4740_nand.c
@@ -118,23 +118,22 @@ static struct mtd_partition partition_info[] = {
use_planes: 0 },
{ name: "NAND ROOTFS partition",
offset: 8 * 0x100000,
- size: 120 * 0x100000,
+ size: 504 * 0x100000,
use_planes: 0 },
{ name: "NAND DATA1 partition",
- offset: 128 * 0x100000,
- size: 128 * 0x100000,
+ offset: 512 * 0x100000,
+ size: 512 * 0x100000,
use_planes: 1 },
{ name: "NAND DATA2 partition",
- offset: 256 * 0x100000,
- size: 256 * 0x100000,
+ offset: 1024 * 0x100000,
+ size: 512 * 0x100000,
use_planes: 1 },
{ name: "NAND VFAT partition",
- offset: 512 * 0x100000,
+ offset: (1024 + 512) * 0x100000,
size: 512 * 0x100000,
use_planes: 1 },
};
-
/* Define max reserved bad blocks for each partition.
* This is used by the mtdblock-jz.c NAND FTL driver only.
*
@@ -149,8 +148,8 @@ static int partition_reserved_badblocks[] = {
2, /* reserved blocks of mtd1 */
10, /* reserved blocks of mtd2 */
10, /* reserved blocks of mtd3 */
- 20, /* reserved blocks of mtd4 */
- 20}; /* reserved blocks of mtd5 */
+ 10, /* reserved blocks of mtd4 */
+ 10}; /* reserved blocks of mtd5 */
#endif /* CONFIG_JZ4740_PI */
#ifdef CONFIG_JZ4740_LEO
diff --git a/include/asm-mips/mach-jz4740/board-pi.h b/include/asm-mips/mach-jz4740/board-pi.h
index afde2ec..152147a 100644
--- a/include/asm-mips/mach-jz4740/board-pi.h
+++ b/include/asm-mips/mach-jz4740/board-pi.h
@@ -3,8 +3,8 @@
*
* JZ4730-based PI definition.
*
- * Copyright (c) 2009 PI.
- * Author: xiangfu <xiangfu.z@gmail.com>
+ * Copyright (c) 2009 Qi Hardware inc.,
+ * Author: Xiangfu Liu<xiangfu.z@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
@@ -75,7 +75,7 @@ do { \
#define __msc_card_detected(s) \
({ \
int detected = 1; \
- if (__gpio_get_pin(GPIO_SD_CD_N)) \
+ if (!__gpio_get_pin(GPIO_SD_CD_N)) \
detected = 0; \
detected; \
})
--
1.6.0.4
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