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- /*
- * 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>
- #include <mach/sdma.h>
- 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, 1, "imx25", 0);
- #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", 0);
- #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", 0);
- #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", 0);
- #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_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);
- }
- #ifdef CONFIG_ARCH_MX25
- static struct sdma_script_start_addrs addr_imx25_to1 = {
- .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_to1 = {
- .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_to1;
- 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()) {
- imx51_imx_sdma_data.pdata.script_addrs = &addr_imx51_to1;
- 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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