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@@ -0,0 +1,129 @@
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+/*
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+ * Copyright (C) 2010 Pengutronix
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+ * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
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+ *
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+ * This program is free software; you can redistribute it and/or modify it under
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+ * the terms of the GNU General Public License version 2 as published by the
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+ * Free Software Foundation.
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+ */
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+#include <linux/compiler.h>
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+#include <linux/err.h>
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+#include <linux/init.h>
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+
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+#include <mach/hardware.h>
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+#include <mach/devices-common.h>
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+#ifdef SDMA_IS_MERGED
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+#include <mach/sdma.h>
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+#else
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+struct sdma_platform_data {
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+ int sdma_version;
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+ char *cpu_name;
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+ int to_version;
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+};
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+#endif
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+
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+struct imx_imx_sdma_data {
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+ resource_size_t iobase;
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+ resource_size_t irq;
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+ struct sdma_platform_data pdata;
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+};
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+
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+#define imx_imx_sdma_data_entry_single(soc, _sdma_version, _cpu_name, _to_version)\
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+ { \
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+ .iobase = soc ## _SDMA ## _BASE_ADDR, \
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+ .irq = soc ## _INT_SDMA, \
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+ .pdata = { \
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+ .sdma_version = _sdma_version, \
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+ .cpu_name = _cpu_name, \
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+ .to_version = _to_version, \
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+ }, \
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+ }
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+
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+#ifdef CONFIG_ARCH_MX25
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+const struct imx_imx_sdma_data imx25_imx_sdma_data __initconst =
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+ imx_imx_sdma_data_entry_single(MX25, 1, "imx25", 0);
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+#endif /* ifdef CONFIG_ARCH_MX25 */
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+
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+#ifdef CONFIG_ARCH_MX31
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+struct imx_imx_sdma_data imx31_imx_sdma_data __initdata =
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+ imx_imx_sdma_data_entry_single(MX31, 1, "imx31", 0);
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+#endif /* ifdef CONFIG_ARCH_MX31 */
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+
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+#ifdef CONFIG_ARCH_MX35
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+struct imx_imx_sdma_data imx35_imx_sdma_data __initdata =
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+ imx_imx_sdma_data_entry_single(MX35, 2, "imx35", 0);
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+#endif /* ifdef CONFIG_ARCH_MX35 */
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+
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+#ifdef CONFIG_ARCH_MX51
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+const struct imx_imx_sdma_data imx51_imx_sdma_data __initconst =
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+ imx_imx_sdma_data_entry_single(MX51, 2, "imx51", 0);
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+#endif /* ifdef CONFIG_ARCH_MX51 */
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+
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+static struct platform_device __init __maybe_unused *imx_add_imx_sdma(
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+ const struct imx_imx_sdma_data *data)
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+{
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+ struct resource res[] = {
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+ {
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+ .start = data->iobase,
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+ .end = data->iobase + SZ_4K - 1,
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+ .flags = IORESOURCE_MEM,
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+ }, {
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+ .start = data->irq,
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+ .end = data->irq,
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+ .flags = IORESOURCE_IRQ,
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+ },
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+ };
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+
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+ return imx_add_platform_device("imx-sdma", -1,
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+ res, ARRAY_SIZE(res),
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+ &data->pdata, sizeof(data->pdata));
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+}
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+
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+static struct platform_device __init __maybe_unused *imx_add_imx_dma(void)
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+{
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+ return imx_add_platform_device("imx-dma", -1, NULL, 0, NULL, 0);
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+}
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+
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+static int __init imxXX_add_imx_dma(void)
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+{
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+ struct platform_device *ret;
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+
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+#if defined(CONFIG_SOC_IMX21) || defined(CONFIG_SOC_IMX27)
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+ if (cpu_is_mx21() || cpu_is_mx27())
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+ ret = imx_add_imx_dma();
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+ else
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+#endif
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+
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+#if defined(CONFIG_ARCH_MX25)
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+ if (cpu_is_mx25())
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+ ret = imx_add_imx_sdma(&imx25_imx_sdma_data);
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+ else
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+#endif
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+
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+#if defined(CONFIG_ARCH_MX31)
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+ if (cpu_is_mx31()) {
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+ imx31_imx_sdma_data.pdata.to_version = mx31_revision() >> 4;
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+ ret = imx_add_imx_sdma(&imx31_imx_sdma_data);
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+ } else
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+#endif
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+
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+#if defined(CONFIG_ARCH_MX35)
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+ if (cpu_is_mx35()) {
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+ imx35_imx_sdma_data.pdata.to_version = mx35_revision() >> 4;
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+ ret = imx_add_imx_sdma(&imx35_imx_sdma_data);
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+ } else
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+#endif
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+
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+#if defined(CONFIG_ARCH_MX51)
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+ if (cpu_is_mx51())
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+ ret = imx_add_imx_sdma(&imx51_imx_sdma_data);
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+ else
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+#endif
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+ ret = ERR_PTR(-ENODEV);
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+
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+ if (IS_ERR(ret))
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+ return PTR_ERR(ret);
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+
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+ return 0;
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+}
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+arch_initcall(imxXX_add_imx_dma);
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Uwe Kleine-König