Merge branch 'for-rmk' of git://git.pengutronix.de/git/imx/linux-2.6 into devel-stable

1 files changed, 72 insertions, 0 deletions

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
index 000000000000..90d762f6f93b
--- /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));
+}