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Diffstat (limited to 'arch/arm/mach-imx/devices/platform-mxc-mmc.c')
-rw-r--r--arch/arm/mach-imx/devices/platform-mxc-mmc.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/devices/platform-mxc-mmc.c b/arch/arm/mach-imx/devices/platform-mxc-mmc.c
new file mode 100644
index 00000000000..b8203c760c8
--- /dev/null
+++ b/arch/arm/mach-imx/devices/platform-mxc-mmc.c
@@ -0,0 +1,75 @@
+/*
+ * 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 <linux/dma-mapping.h>
+
+#include "../hardware.h"
+#include "devices-common.h"
+
+#define imx_mxc_mmc_data_entry_single(soc, _devid, _id, _hwid, _size) \
+ { \
+ .devid = _devid, \
+ .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, _devid, _id, _hwid, _size) \
+ [_id] = imx_mxc_mmc_data_entry_single(soc, _devid, _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, "imx21-mmc", _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, "imx21-mmc", _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, "imx31-mmc", _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 + data->iosize - 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(data->devid, data->id,
+ res, ARRAY_SIZE(res),
+ pdata, sizeof(*pdata), DMA_BIT_MASK(32));
+}