8a8d20600d
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
129 lines
3.1 KiB
C
129 lines
3.1 KiB
C
/*
|
|
* 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/compiler.h>
|
|
#include <linux/err.h>
|
|
#include <linux/init.h>
|
|
|
|
#include <mach/hardware.h>
|
|
#include <mach/devices-common.h>
|
|
#ifdef SDMA_IS_MERGED
|
|
#include <mach/sdma.h>
|
|
#else
|
|
struct sdma_platform_data {
|
|
int sdma_version;
|
|
char *cpu_name;
|
|
int to_version;
|
|
};
|
|
#endif
|
|
|
|
struct imx_imx_sdma_data {
|
|
resource_size_t iobase;
|
|
resource_size_t irq;
|
|
struct sdma_platform_data pdata;
|
|
};
|
|
|
|
#define imx_imx_sdma_data_entry_single(soc, _sdma_version, _cpu_name, _to_version)\
|
|
{ \
|
|
.iobase = soc ## _SDMA ## _BASE_ADDR, \
|
|
.irq = soc ## _INT_SDMA, \
|
|
.pdata = { \
|
|
.sdma_version = _sdma_version, \
|
|
.cpu_name = _cpu_name, \
|
|
.to_version = _to_version, \
|
|
}, \
|
|
}
|
|
|
|
#ifdef CONFIG_ARCH_MX25
|
|
const struct imx_imx_sdma_data imx25_imx_sdma_data __initconst =
|
|
imx_imx_sdma_data_entry_single(MX25, 1, "imx25", 0);
|
|
#endif /* ifdef CONFIG_ARCH_MX25 */
|
|
|
|
#ifdef CONFIG_ARCH_MX31
|
|
struct imx_imx_sdma_data imx31_imx_sdma_data __initdata =
|
|
imx_imx_sdma_data_entry_single(MX31, 1, "imx31", 0);
|
|
#endif /* ifdef CONFIG_ARCH_MX31 */
|
|
|
|
#ifdef CONFIG_ARCH_MX35
|
|
struct imx_imx_sdma_data imx35_imx_sdma_data __initdata =
|
|
imx_imx_sdma_data_entry_single(MX35, 2, "imx35", 0);
|
|
#endif /* ifdef CONFIG_ARCH_MX35 */
|
|
|
|
#ifdef CONFIG_ARCH_MX51
|
|
const struct imx_imx_sdma_data imx51_imx_sdma_data __initconst =
|
|
imx_imx_sdma_data_entry_single(MX51, 2, "imx51", 0);
|
|
#endif /* ifdef CONFIG_ARCH_MX51 */
|
|
|
|
static struct platform_device __init __maybe_unused *imx_add_imx_sdma(
|
|
const struct imx_imx_sdma_data *data)
|
|
{
|
|
struct resource res[] = {
|
|
{
|
|
.start = data->iobase,
|
|
.end = data->iobase + SZ_4K - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
}, {
|
|
.start = data->irq,
|
|
.end = data->irq,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
return imx_add_platform_device("imx-sdma", -1,
|
|
res, ARRAY_SIZE(res),
|
|
&data->pdata, sizeof(data->pdata));
|
|
}
|
|
|
|
static struct platform_device __init __maybe_unused *imx_add_imx_dma(void)
|
|
{
|
|
return imx_add_platform_device("imx-dma", -1, NULL, 0, NULL, 0);
|
|
}
|
|
|
|
static int __init imxXX_add_imx_dma(void)
|
|
{
|
|
struct platform_device *ret;
|
|
|
|
#if defined(CONFIG_SOC_IMX21) || defined(CONFIG_SOC_IMX27)
|
|
if (cpu_is_mx21() || cpu_is_mx27())
|
|
ret = imx_add_imx_dma();
|
|
else
|
|
#endif
|
|
|
|
#if defined(CONFIG_ARCH_MX25)
|
|
if (cpu_is_mx25())
|
|
ret = imx_add_imx_sdma(&imx25_imx_sdma_data);
|
|
else
|
|
#endif
|
|
|
|
#if defined(CONFIG_ARCH_MX31)
|
|
if (cpu_is_mx31()) {
|
|
imx31_imx_sdma_data.pdata.to_version = mx31_revision() >> 4;
|
|
ret = imx_add_imx_sdma(&imx31_imx_sdma_data);
|
|
} else
|
|
#endif
|
|
|
|
#if defined(CONFIG_ARCH_MX35)
|
|
if (cpu_is_mx35()) {
|
|
imx35_imx_sdma_data.pdata.to_version = mx35_revision() >> 4;
|
|
ret = imx_add_imx_sdma(&imx35_imx_sdma_data);
|
|
} else
|
|
#endif
|
|
|
|
#if defined(CONFIG_ARCH_MX51)
|
|
if (cpu_is_mx51())
|
|
ret = imx_add_imx_sdma(&imx51_imx_sdma_data);
|
|
else
|
|
#endif
|
|
ret = ERR_PTR(-ENODEV);
|
|
|
|
if (IS_ERR(ret))
|
|
return PTR_ERR(ret);
|
|
|
|
return 0;
|
|
}
|
|
arch_initcall(imxXX_add_imx_dma);
|