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ARM: imx: fix/define clocks and create devices for imx dma
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Uwe Kleine-König
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Sascha Hauer
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Oct 11, 2010
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,129 @@ | ||
| /* | ||
| * 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 */ | ||
|
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||
| 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; | ||
|
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| #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 | ||
|
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||
| #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 | ||
|
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||
| #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); |
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