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authorLinus Torvalds <torvalds@linux-foundation.org>2008-01-29 08:49:49 +1100
committerLinus Torvalds <torvalds@linux-foundation.org>2008-01-29 08:49:49 +1100
commitbb04af0e2e5bcd8d1a5d7f7d5c704f7eb328f241 (patch)
treefd67625ba9758dceff28dfca39127d7f07dae981 /arch/arm/mach-pxa/zylonite.c
parent0affa456cb6da51a31a6dd76b3d8827f467f807d (diff)
parent0ff66f0c7a5f1f4f5a0d91341b6f71fd2a49f0fa (diff)
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (176 commits) [ARM] 4795/1: S3C244X: Add armclk and setparent call [ARM] 4794/1: S3C24XX: Comonise S3C2440 and S3C2442 clock code [ARM] 4793/1: S3C24XX: Add IRQ->GPIO pin mapping function [ARM] 4792/1: S3C24XX: Remove warnings from debug-macro.S [ARM] 4791/1: S3C2412: Make fclk a parent of msysclk [ARM] 4790/1: S3C2412: Fix parent selection for msysclk. [ARM] 4789/1: S3C2412: Add missing CLKDIVN register values [ARM] 4788/1: S3C24XX: Fix paramet to s3c2410_dma_ctrl if S3C2410_DMAF_AUTOSTART used. [ARM] 4787/1: S3C24XX: s3c2410_dma_request() should return the allocated channel number [ARM] 4786/1: S3C2412: Add SPI FIFO controll constants [ARM] 4785/1: S3C24XX: Add _SHIFT definitions for S3C2410_BANKCON registers [ARM] 4784/1: S3C24XX: Fix GPIO restore glitches [ARM] 4783/1: S3C24XX: Add s3c2410_gpio_getpull() [ARM] 4782/1: S3C24XX: Define FIQ_START for any FIQ users [ARM] 4781/1: S3C24XX: DMA suspend and resume support [ARM] 4780/1: S3C2412: Allow for seperate DMA channels for TX and RX [ARM] 4779/1: S3C2412: Add s3c2412_gpio_set_sleepcfg() call [ARM] 4778/1: S3C2412: Add armclk and init from DVS state [ARM] 4777/1: S3C24XX: Ensure clk_set_rate() checks the set_rate method for the clk [ARM] 4775/1: s3c2410: fix compilation error if only s3c2442 cpu is selected ...
Diffstat (limited to 'arch/arm/mach-pxa/zylonite.c')
-rw-r--r--arch/arm/mach-pxa/zylonite.c96
1 files changed, 95 insertions, 1 deletions
diff --git a/arch/arm/mach-pxa/zylonite.c b/arch/arm/mach-pxa/zylonite.c
index 743a87b2faa..7731d50dd86 100644
--- a/arch/arm/mach-pxa/zylonite.c
+++ b/arch/arm/mach-pxa/zylonite.c
@@ -25,9 +25,13 @@
#include <asm/arch/gpio.h>
#include <asm/arch/pxafb.h>
#include <asm/arch/zylonite.h>
+#include <asm/arch/mmc.h>
#include "generic.h"
+#define MAX_SLOTS 3
+struct platform_mmc_slot zylonite_mmc_slot[MAX_SLOTS];
+
int gpio_backlight;
int gpio_eth_irq;
@@ -43,7 +47,7 @@ static struct resource smc91x_resources[] = {
[1] = {
.start = -1, /* for run-time assignment */
.end = -1,
- .flags = IORESOURCE_IRQ,
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
}
};
@@ -156,6 +160,95 @@ static void __init zylonite_init_lcd(void)
static inline void zylonite_init_lcd(void) {}
#endif
+#if defined(CONFIG_MMC)
+static int zylonite_mci_ro(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+
+ return gpio_get_value(zylonite_mmc_slot[pdev->id].gpio_wp);
+}
+
+static int zylonite_mci_init(struct device *dev,
+ irq_handler_t zylonite_detect_int,
+ void *data)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ int err, cd_irq, gpio_cd, gpio_wp;
+
+ cd_irq = gpio_to_irq(zylonite_mmc_slot[pdev->id].gpio_cd);
+ gpio_cd = zylonite_mmc_slot[pdev->id].gpio_cd;
+ gpio_wp = zylonite_mmc_slot[pdev->id].gpio_wp;
+
+ /*
+ * setup GPIO for Zylonite MMC controller
+ */
+ err = gpio_request(gpio_cd, "mmc card detect");
+ if (err)
+ goto err_request_cd;
+ gpio_direction_input(gpio_cd);
+
+ err = gpio_request(gpio_wp, "mmc write protect");
+ if (err)
+ goto err_request_wp;
+ gpio_direction_input(gpio_wp);
+
+ err = request_irq(cd_irq, zylonite_detect_int,
+ IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
+ "MMC card detect", data);
+ if (err) {
+ printk(KERN_ERR "%s: MMC/SD/SDIO: "
+ "can't request card detect IRQ\n", __func__);
+ goto err_request_irq;
+ }
+
+ return 0;
+
+err_request_irq:
+ gpio_free(gpio_wp);
+err_request_wp:
+ gpio_free(gpio_cd);
+err_request_cd:
+ return err;
+}
+
+static void zylonite_mci_exit(struct device *dev, void *data)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ int cd_irq, gpio_cd, gpio_wp;
+
+ cd_irq = gpio_to_irq(zylonite_mmc_slot[pdev->id].gpio_cd);
+ gpio_cd = zylonite_mmc_slot[pdev->id].gpio_cd;
+ gpio_wp = zylonite_mmc_slot[pdev->id].gpio_wp;
+
+ free_irq(cd_irq, data);
+ gpio_free(gpio_cd);
+ gpio_free(gpio_wp);
+}
+
+static struct pxamci_platform_data zylonite_mci_platform_data = {
+ .detect_delay = 20,
+ .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
+ .init = zylonite_mci_init,
+ .exit = zylonite_mci_exit,
+ .get_ro = zylonite_mci_ro,
+};
+
+static struct pxamci_platform_data zylonite_mci2_platform_data = {
+ .detect_delay = 20,
+ .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
+};
+
+static void __init zylonite_init_mmc(void)
+{
+ pxa_set_mci_info(&zylonite_mci_platform_data);
+ pxa3xx_set_mci2_info(&zylonite_mci2_platform_data);
+ if (cpu_is_pxa310())
+ pxa3xx_set_mci3_info(&zylonite_mci_platform_data);
+}
+#else
+static inline void zylonite_init_mmc(void) {}
+#endif
+
static void __init zylonite_init(void)
{
/* board-processor specific initialization */
@@ -171,6 +264,7 @@ static void __init zylonite_init(void)
platform_device_register(&smc91x_device);
zylonite_init_lcd();
+ zylonite_init_mmc();
}
MACHINE_START(ZYLONITE, "PXA3xx Platform Development Kit (aka Zylonite)")