Merge git://git.infradead.org/mtd-2.6

[linux-2.6] / arch / arm / mach-pxa / zylonite.c

diff --git a/arch/arm/mach-pxa/zylonite.c b/arch/arm/mach-pxa/zylonite.c
index 3f18d760dd1b5296e5881cd9cda61672e47f06fb..7731d50dd86cfe00e2144ded09ca1caa1805d690 100644 (file)
--- a/arch/arm/mach-pxa/zylonite.c
+++ b/arch/arm/mach-pxa/zylonite.c
@@ -5,7 +5,7 @@
  *
  * Copyright (C) 2006 Marvell International Ltd.
  *
- * 2007-09-04: eric miao <eric.y.miao@gmail.com>
+ * 2007-09-04: eric miao <eric.miao@marvell.com>
  *             rewrite to align with latest kernel
  *
  * This program is free software; you can redistribute it and/or modify
@@ -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)")