1 files changed, 85 insertions, 0 deletions

diff --git a/arch/arm/mach-imx/devices/platform-mxc_nand.c b/arch/arm/mach-imx/devices/platform-mxc_nand.c
new file mode 100644
index 000000000000..7af1c53e42b5
--- /dev/null
+++ b/arch/arm/mach-imx/devices/platform-mxc_nand.c
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2009-2010 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 <asm/sizes.h>
+
+#include "../hardware.h"
+#include "devices-common.h"
+
+#define imx_mxc_nand_data_entry_single(soc, _devid, _size)              \
+        {                                                               \
+                .devid = _devid,                                        \
+                .iobase = soc ## _NFC_BASE_ADDR,                        \
+                .iosize = _size,                                        \
+                .irq = soc ## _INT_NFC                                  \
+        }
+
+#define imx_mxc_nandv3_data_entry_single(soc, _devid, _size)            \
+        {                                                               \
+                .devid = _devid,                                        \
+                .id = -1,                                               \
+                .iobase = soc ## _NFC_BASE_ADDR,                        \
+                .iosize = _size,                                        \
+                .axibase = soc ## _NFC_AXI_BASE_ADDR,                   \
+                .irq = soc ## _INT_NFC                                  \
+        }
+
+#ifdef CONFIG_SOC_IMX21
+const struct imx_mxc_nand_data imx21_mxc_nand_data __initconst =
+        imx_mxc_nand_data_entry_single(MX21, "imx21-nand", SZ_4K);
+#endif /* ifdef CONFIG_SOC_IMX21 */
+
+#ifdef CONFIG_SOC_IMX25
+const struct imx_mxc_nand_data imx25_mxc_nand_data __initconst =
+        imx_mxc_nand_data_entry_single(MX25, "imx25-nand", SZ_8K);
+#endif /* ifdef CONFIG_SOC_IMX25 */
+
+#ifdef CONFIG_SOC_IMX27
+const struct imx_mxc_nand_data imx27_mxc_nand_data __initconst =
+        imx_mxc_nand_data_entry_single(MX27, "imx27-nand", SZ_4K);
+#endif /* ifdef CONFIG_SOC_IMX27 */
+
+#ifdef CONFIG_SOC_IMX31
+const struct imx_mxc_nand_data imx31_mxc_nand_data __initconst =
+        imx_mxc_nand_data_entry_single(MX31, "imx27-nand", SZ_4K);
+#endif
+
+#ifdef CONFIG_SOC_IMX35
+const struct imx_mxc_nand_data imx35_mxc_nand_data __initconst =
+        imx_mxc_nand_data_entry_single(MX35, "imx25-nand", SZ_8K);
+#endif
+
+#ifdef CONFIG_SOC_IMX51
+const struct imx_mxc_nand_data imx51_mxc_nand_data __initconst =
+        imx_mxc_nandv3_data_entry_single(MX51, "imx51-nand", SZ_16K);
+#endif
+
+struct platform_device *__init imx_add_mxc_nand(
+                const struct imx_mxc_nand_data *data,
+                const struct mxc_nand_platform_data *pdata)
+{
+        /* AXI has to come first, that's how the mxc_nand driver expect it */
+        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->axibase,
+                        .end = data->axibase + SZ_16K - 1,
+                        .flags = IORESOURCE_MEM,
+                },
+        };
+        return imx_add_platform_device(data->devid, data->id,
+                        res, ARRAY_SIZE(res) - !data->axibase,
+                        pdata, sizeof(*pdata));
+}