Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[mv-sheeva.git] / arch / arm / plat-mxc / devices / platform-mxc-mmc.c

diff --git a/arch/arm/plat-mxc/devices/platform-mxc-mmc.c b/arch/arm/plat-mxc/devices/platform-mxc-mmc.c
new file mode 100644 (file)
index 0000000..90d762f
--- /dev/null
+++ b/arch/arm/plat-mxc/devices/platform-mxc-mmc.c
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2010 Pengutronix
+ * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
+ *
+ * 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 <mach/hardware.h>
+#include <mach/devices-common.h>
+
+#define imx_mxc_mmc_data_entry_single(soc, _id, _hwid, _size)          \
+       {                                                               \
+               .id = _id,                                              \
+               .iobase = soc ## _SDHC ## _hwid ## _BASE_ADDR,          \
+               .iosize = _size,                                        \
+               .irq = soc ## _INT_SDHC ## _hwid,                       \
+               .dmareq = soc ## _DMA_REQ_SDHC ## _hwid,                \
+       }
+#define imx_mxc_mmc_data_entry(soc, _id, _hwid, _size)                 \
+       [_id] = imx_mxc_mmc_data_entry_single(soc, _id, _hwid, _size)
+
+#ifdef CONFIG_SOC_IMX21
+const struct imx_mxc_mmc_data imx21_mxc_mmc_data[] __initconst = {
+#define imx21_mxc_mmc_data_entry(_id, _hwid)                           \
+       imx_mxc_mmc_data_entry(MX21, _id, _hwid, SZ_4K)
+       imx21_mxc_mmc_data_entry(0, 1),
+       imx21_mxc_mmc_data_entry(1, 2),
+};
+#endif /* ifdef CONFIG_SOC_IMX21 */
+
+#ifdef CONFIG_SOC_IMX27
+const struct imx_mxc_mmc_data imx27_mxc_mmc_data[] __initconst = {
+#define imx27_mxc_mmc_data_entry(_id, _hwid)                           \
+       imx_mxc_mmc_data_entry(MX27, _id, _hwid, SZ_4K)
+       imx27_mxc_mmc_data_entry(0, 1),
+       imx27_mxc_mmc_data_entry(1, 2),
+};
+#endif /* ifdef CONFIG_SOC_IMX27 */
+
+#ifdef CONFIG_SOC_IMX31
+const struct imx_mxc_mmc_data imx31_mxc_mmc_data[] __initconst = {
+#define imx31_mxc_mmc_data_entry(_id, _hwid)                           \
+       imx_mxc_mmc_data_entry(MX31, _id, _hwid, SZ_16K)
+       imx31_mxc_mmc_data_entry(0, 1),
+       imx31_mxc_mmc_data_entry(1, 2),
+};
+#endif /* ifdef CONFIG_SOC_IMX31 */
+
+struct platform_device *__init imx_add_mxc_mmc(
+               const struct imx_mxc_mmc_data *data,
+               const struct imxmmc_platform_data *pdata)
+{
+       struct resource res[] = {
+               {
+                       .start = data->iobase,
+                       .end = data->iobase + SZ_4K - 1,
+                       .flags = IORESOURCE_MEM,
+               }, {
+                       .start = data->irq,
+                       .end = data->irq,
+                       .flags = IORESOURCE_IRQ,
+               }, {
+                       .start = data->dmareq,
+                       .end = data->dmareq,
+                       .flags = IORESOURCE_DMA,
+               },
+       };
+       return imx_add_platform_device_dmamask("mxc-mmc", data->id,
+                       res, ARRAY_SIZE(res),
+                       pdata, sizeof(*pdata), DMA_BIT_MASK(32));
+}