projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 8a8d2060 UKK |
1 | /* |
| 2 | * Copyright (C) 2010 Pengutronix | |
| 3 | * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de> | |
| 4 | * | |
| 5 | * This program is free software; you can redistribute it and/or modify it under | |
| 6 | * the terms of the GNU General Public License version 2 as published by the | |
| 7 | * Free Software Foundation. | |
| 8 | */ | |
| 9 | #include <linux/compiler.h> | |
| 10 | #include <linux/err.h> | |
| 11 | #include <linux/init.h> | |
| 12 | ||
| 13 | #include <mach/hardware.h> | |
| 14 | #include <mach/devices-common.h> | |
| 8a8d2060 | 15 | #include <mach/sdma.h> |
| 8a8d2060 UKK |
16 | |
| 17 | struct imx_imx_sdma_data { | |
| 18 | resource_size_t iobase; | |
| 19 | resource_size_t irq; | |
| 20 | struct sdma_platform_data pdata; | |
| 21 | }; | |
| 22 | ||
| 23 | #define imx_imx_sdma_data_entry_single(soc, _sdma_version, _cpu_name, _to_version)\ | |
| 24 | { \ | |
| 25 | .iobase = soc ## _SDMA ## _BASE_ADDR, \ | |
| 26 | .irq = soc ## _INT_SDMA, \ | |
| 27 | .pdata = { \ | |
| 28 | .sdma_version = _sdma_version, \ | |
| 29 | .cpu_name = _cpu_name, \ | |
| 30 | .to_version = _to_version, \ | |
| 31 | }, \ | |
| 32 | } | |
| 33 | ||
| 34 | #ifdef CONFIG_ARCH_MX25 | |
| 35 | const struct imx_imx_sdma_data imx25_imx_sdma_data __initconst = | |
| 36 | imx_imx_sdma_data_entry_single(MX25, 1, "imx25", 0); | |
| 37 | #endif /* ifdef CONFIG_ARCH_MX25 */ | |
| 38 | ||
| 39 | #ifdef CONFIG_ARCH_MX31 | |
| 40 | struct imx_imx_sdma_data imx31_imx_sdma_data __initdata = | |
| 41 | imx_imx_sdma_data_entry_single(MX31, 1, "imx31", 0); | |
| 42 | #endif /* ifdef CONFIG_ARCH_MX31 */ | |
| 43 | ||
| 44 | #ifdef CONFIG_ARCH_MX35 | |
| 45 | struct imx_imx_sdma_data imx35_imx_sdma_data __initdata = | |
| 46 | imx_imx_sdma_data_entry_single(MX35, 2, "imx35", 0); | |
| 47 | #endif /* ifdef CONFIG_ARCH_MX35 */ | |
| 48 | ||
| 49 | #ifdef CONFIG_ARCH_MX51 | |
| 50 | const struct imx_imx_sdma_data imx51_imx_sdma_data __initconst = | |
| 51 | imx_imx_sdma_data_entry_single(MX51, 2, "imx51", 0); | |
| 52 | #endif /* ifdef CONFIG_ARCH_MX51 */ | |
| 53 | ||
| 54 | static struct platform_device __init __maybe_unused *imx_add_imx_sdma( | |
| 55 | const struct imx_imx_sdma_data *data) | |
| 56 | { | |
| 57 | struct resource res[] = { | |
| 58 | { | |
| 59 | .start = data->iobase, | |
| 60 | .end = data->iobase + SZ_4K - 1, | |
| 61 | .flags = IORESOURCE_MEM, | |
| 62 | }, { | |
| 63 | .start = data->irq, | |
| 64 | .end = data->irq, | |
| 65 | .flags = IORESOURCE_IRQ, | |
| 66 | }, | |
| 67 | }; | |
| 68 | ||
| 69 | return imx_add_platform_device("imx-sdma", -1, | |
| 70 | res, ARRAY_SIZE(res), | |
| 71 | &data->pdata, sizeof(data->pdata)); | |
| 72 | } | |
| 73 | ||
| 74 | static struct platform_device __init __maybe_unused *imx_add_imx_dma(void) | |
| 75 | { | |
| 76 | return imx_add_platform_device("imx-dma", -1, NULL, 0, NULL, 0); | |
| 77 | } | |
| 78 | ||
| 79 | static int __init imxXX_add_imx_dma(void) | |
| 80 | { | |
| 81 | struct platform_device *ret; | |
| 82 | ||
| 83 | #if defined(CONFIG_SOC_IMX21) || defined(CONFIG_SOC_IMX27) | |
| 84 | if (cpu_is_mx21() || cpu_is_mx27()) | |
| 85 | ret = imx_add_imx_dma(); | |
| 86 | else | |
| 87 | #endif | |
| 88 | ||
| 89 | #if defined(CONFIG_ARCH_MX25) | |
| 90 | if (cpu_is_mx25()) | |
| 91 | ret = imx_add_imx_sdma(&imx25_imx_sdma_data); | |
| 92 | else | |
| 93 | #endif | |
| 94 | ||
| 95 | #if defined(CONFIG_ARCH_MX31) | |
| 96 | if (cpu_is_mx31()) { | |
| 97 | imx31_imx_sdma_data.pdata.to_version = mx31_revision() >> 4; | |
| 98 | ret = imx_add_imx_sdma(&imx31_imx_sdma_data); | |
| 99 | } else | |
| 100 | #endif | |
| 101 | ||
| 102 | #if defined(CONFIG_ARCH_MX35) | |
| 103 | if (cpu_is_mx35()) { | |
| 104 | imx35_imx_sdma_data.pdata.to_version = mx35_revision() >> 4; | |
| 105 | ret = imx_add_imx_sdma(&imx35_imx_sdma_data); | |
| 106 | } else | |
| 107 | #endif | |
| 108 | ||
| 109 | #if defined(CONFIG_ARCH_MX51) | |
| 110 | if (cpu_is_mx51()) | |
| 111 | ret = imx_add_imx_sdma(&imx51_imx_sdma_data); | |
| 112 | else | |
| 113 | #endif | |
| 114 | ret = ERR_PTR(-ENODEV); | |
| 115 | ||
| 116 | if (IS_ERR(ret)) | |
| 117 | return PTR_ERR(ret); | |
| 118 | ||
| 119 | return 0; | |
| 120 | } | |
| 121 | arch_initcall(imxXX_add_imx_dma); |