/* * Copyright (C) 2010 Pengutronix * Uwe Kleine-Koenig * * 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 #include #include #include #include #include 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_SOC_IMX25 struct imx_imx_sdma_data imx25_imx_sdma_data __initconst = imx_imx_sdma_data_entry_single(MX25, 2, "imx25", 1); #endif /* ifdef CONFIG_SOC_IMX25 */ #ifdef CONFIG_SOC_IMX31 struct imx_imx_sdma_data imx31_imx_sdma_data __initdata = imx_imx_sdma_data_entry_single(MX31, 1, "imx31", 1); #endif /* ifdef CONFIG_SOC_IMX31 */ #ifdef CONFIG_SOC_IMX35 struct imx_imx_sdma_data imx35_imx_sdma_data __initdata = imx_imx_sdma_data_entry_single(MX35, 2, "imx35", 1); #endif /* ifdef CONFIG_SOC_IMX35 */ #ifdef CONFIG_SOC_IMX51 struct imx_imx_sdma_data imx51_imx_sdma_data __initconst = imx_imx_sdma_data_entry_single(MX51, 2, "imx51", 1); #endif /* ifdef CONFIG_SOC_IMX51 */ 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_16K - 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); } #ifdef CONFIG_ARCH_MX25 static struct sdma_script_start_addrs addr_imx25 = { .ap_2_ap_addr = 729, .uart_2_mcu_addr = 904, .per_2_app_addr = 1255, .mcu_2_app_addr = 834, .uartsh_2_mcu_addr = 1120, .per_2_shp_addr = 1329, .mcu_2_shp_addr = 1048, .ata_2_mcu_addr = 1560, .mcu_2_ata_addr = 1479, .app_2_per_addr = 1189, .app_2_mcu_addr = 770, .shp_2_per_addr = 1407, .shp_2_mcu_addr = 979, }; #endif #ifdef CONFIG_SOC_IMX31 static struct sdma_script_start_addrs addr_imx31_to1 = { .per_2_per_addr = 1677, }; static struct sdma_script_start_addrs addr_imx31_to2 = { .ap_2_ap_addr = 423, .ap_2_bp_addr = 829, .bp_2_ap_addr = 1029, }; #endif #ifdef CONFIG_SOC_IMX35 static struct sdma_script_start_addrs addr_imx35_to1 = { .ap_2_ap_addr = 642, .uart_2_mcu_addr = 817, .mcu_2_app_addr = 747, .uartsh_2_mcu_addr = 1183, .per_2_shp_addr = 1033, .mcu_2_shp_addr = 961, .ata_2_mcu_addr = 1333, .mcu_2_ata_addr = 1252, .app_2_mcu_addr = 683, .shp_2_per_addr = 1111, .shp_2_mcu_addr = 892, }; static struct sdma_script_start_addrs addr_imx35_to2 = { .ap_2_ap_addr = 729, .uart_2_mcu_addr = 904, .per_2_app_addr = 1597, .mcu_2_app_addr = 834, .uartsh_2_mcu_addr = 1270, .per_2_shp_addr = 1120, .mcu_2_shp_addr = 1048, .ata_2_mcu_addr = 1429, .mcu_2_ata_addr = 1339, .app_2_per_addr = 1531, .app_2_mcu_addr = 770, .shp_2_per_addr = 1198, .shp_2_mcu_addr = 979, }; #endif #ifdef CONFIG_SOC_IMX51 static struct sdma_script_start_addrs addr_imx51 = { .ap_2_ap_addr = 642, .uart_2_mcu_addr = 817, .mcu_2_app_addr = 747, .mcu_2_shp_addr = 961, .ata_2_mcu_addr = 1473, .mcu_2_ata_addr = 1392, .app_2_per_addr = 1033, .app_2_mcu_addr = 683, .shp_2_per_addr = 1251, .shp_2_mcu_addr = 892, }; #endif 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_SOC_IMX25) if (cpu_is_mx25()) { imx25_imx_sdma_data.pdata.script_addrs = &addr_imx25; ret = imx_add_imx_sdma(&imx25_imx_sdma_data); } else #endif #if defined(CONFIG_SOC_IMX31) if (cpu_is_mx31()) { int to_version = mx31_revision() >> 4; imx31_imx_sdma_data.pdata.to_version = to_version; if (to_version == 1) imx31_imx_sdma_data.pdata.script_addrs = &addr_imx31_to1; else imx31_imx_sdma_data.pdata.script_addrs = &addr_imx31_to2; ret = imx_add_imx_sdma(&imx31_imx_sdma_data); } else #endif #if defined(CONFIG_SOC_IMX35) if (cpu_is_mx35()) { int to_version = mx35_revision() >> 4; imx35_imx_sdma_data.pdata.to_version = to_version; if (to_version == 1) imx35_imx_sdma_data.pdata.script_addrs = &addr_imx35_to1; else imx35_imx_sdma_data.pdata.script_addrs = &addr_imx35_to2; ret = imx_add_imx_sdma(&imx35_imx_sdma_data); } else #endif #if defined(CONFIG_SOC_IMX51) if (cpu_is_mx51()) { int to_version = mx51_revision() >> 4; imx51_imx_sdma_data.pdata.to_version = to_version; imx51_imx_sdma_data.pdata.script_addrs = &addr_imx51; 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);