1 files changed, 157 insertions, 0 deletions

diff --git a/arch/arm/plat-omap/include/plat/mmc.h b/arch/arm/plat-omap/include/plat/mmc.h
new file mode 100644
index 000000000000..29937137bf3e
--- /dev/null
+++ b/arch/arm/plat-omap/include/plat/mmc.h
@@ -0,0 +1,157 @@
+/*
+ * MMC definitions for OMAP2
+ *
+ * Copyright (C) 2006 Nokia Corporation
+ *
+ * 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.
+ */
+
+#ifndef __OMAP2_MMC_H
+#define __OMAP2_MMC_H
+
+#include <linux/types.h>
+#include <linux/device.h>
+#include <linux/mmc/host.h>
+
+#include <plat/board.h>
+
+#define OMAP15XX_NR_MMC         1
+#define OMAP16XX_NR_MMC         2
+#define OMAP1_MMC_SIZE          0x080
+#define OMAP1_MMC1_BASE         0xfffb7800
+#define OMAP1_MMC2_BASE         0xfffb7c00      /* omap16xx only */
+
+#define OMAP24XX_NR_MMC         2
+#define OMAP34XX_NR_MMC         3
+#define OMAP44XX_NR_MMC         5
+#define OMAP2420_MMC_SIZE       OMAP1_MMC_SIZE
+#define OMAP3_HSMMC_SIZE        0x200
+#define OMAP4_HSMMC_SIZE        0x1000
+#define OMAP2_MMC1_BASE         0x4809c000
+#define OMAP2_MMC2_BASE         0x480b4000
+#define OMAP3_MMC3_BASE         0x480ad000
+#define OMAP4_MMC4_BASE         0x480d1000
+#define OMAP4_MMC5_BASE         0x480d5000
+#define OMAP4_MMC_REG_OFFSET    0x100
+#define HSMMC5                  (1 << 4)
+#define HSMMC4                  (1 << 3)
+#define HSMMC3                  (1 << 2)
+#define HSMMC2                  (1 << 1)
+#define HSMMC1                  (1 << 0)
+
+#define OMAP_MMC_MAX_SLOTS      2
+
+struct omap_mmc_platform_data {
+        /* back-link to device */
+        struct device *dev;
+
+        /* number of slots per controller */
+        unsigned nr_slots:2;
+
+        /* set if your board has components or wiring that limits the
+         * maximum frequency on the MMC bus */
+        unsigned int max_freq;
+
+        /* switch the bus to a new slot */
+        int (* switch_slot)(struct device *dev, int slot);
+        /* initialize board-specific MMC functionality, can be NULL if
+         * not supported */
+        int (* init)(struct device *dev);
+        void (* cleanup)(struct device *dev);
+        void (* shutdown)(struct device *dev);
+
+        /* To handle board related suspend/resume functionality for MMC */
+        int (*suspend)(struct device *dev, int slot);
+        int (*resume)(struct device *dev, int slot);
+
+        /* Return context loss count due to PM states changing */
+        int (*get_context_loss_count)(struct device *dev);
+
+        u64 dma_mask;
+
+        struct omap_mmc_slot_data {
+
+                /* 4 wire signaling is optional, and is used for SD/SDIO/HSMMC;
+                 * 8 wire signaling is also optional, and is used with HSMMC
+                 */
+                u8 wires;
+
+                /*
+                 * nomux means "standard" muxing is wrong on this board, and
+                 * that board-specific code handled it before common init logic.
+                 */
+                unsigned nomux:1;
+
+                /* switch pin can be for card detect (default) or card cover */
+                unsigned cover:1;
+
+                /* use the internal clock */
+                unsigned internal_clock:1;
+
+                /* nonremovable e.g. eMMC */
+                unsigned nonremovable:1;
+
+                /* Try to sleep or power off when possible */
+                unsigned power_saving:1;
+
+                int switch_pin;                 /* gpio (card detect) */
+                int gpio_wp;                    /* gpio (write protect) */
+
+                int (* set_bus_mode)(struct device *dev, int slot, int bus_mode);
+                int (* set_power)(struct device *dev, int slot, int power_on, int vdd);
+                int (* get_ro)(struct device *dev, int slot);
+                int (*set_sleep)(struct device *dev, int slot, int sleep,
+                                 int vdd, int cardsleep);
+
+                /* return MMC cover switch state, can be NULL if not supported.
+                 *
+                 * possible return values:
+                 *   0 - closed
+                 *   1 - open
+                 */
+                int (* get_cover_state)(struct device *dev, int slot);
+
+                const char *name;
+                u32 ocr_mask;
+
+                /* Card detection IRQs */
+                int card_detect_irq;
+                int (* card_detect)(int irq);
+
+                unsigned int ban_openended:1;
+
+        } slots[OMAP_MMC_MAX_SLOTS];
+};
+
+/* called from board-specific card detection service routine */
+extern void omap_mmc_notify_cover_event(struct device *dev, int slot, int is_closed);
+
+#if     defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \
+        defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
+void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
+                                int nr_controllers);
+void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
+                                int nr_controllers);
+int omap_mmc_add(const char *name, int id, unsigned long base,
+                                unsigned long size, unsigned int irq,
+                                struct omap_mmc_platform_data *data);
+#else
+static inline void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
+                                int nr_controllers)
+{
+}
+static inline void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
+                                int nr_controllers)
+{
+}
+static inline int omap_mmc_add(const char *name, int id, unsigned long base,
+                                unsigned long size, unsigned int irq,
+                                struct omap_mmc_platform_data *data)
+{
+        return 0;
+}
+
+#endif
+#endif