diff options
Diffstat (limited to 'arch/arm/plat-mxc/devices/platform-imx-dma.c')
| -rw-r--r-- | arch/arm/plat-mxc/devices/platform-imx-dma.c | 204 |
1 files changed, 191 insertions, 13 deletions
diff --git a/arch/arm/plat-mxc/devices/platform-imx-dma.c b/arch/arm/plat-mxc/devices/platform-imx-dma.c index 2b0fdb23beb..b130f60ca6b 100644 --- a/arch/arm/plat-mxc/devices/platform-imx-dma.c +++ b/arch/arm/plat-mxc/devices/platform-imx-dma.c @@ -6,29 +6,207 @@ * 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 platform_device __init __maybe_unused *imx_add_imx_dma(void) -{ - return platform_device_register_resndata(&mxc_ahb_bus, - "imx-dma", -1, NULL, 0, NULL, 0); -} +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 */ -struct platform_device __init __maybe_unused *imx_add_imx_sdma( - resource_size_t iobase, int irq, struct sdma_platform_data *pdata) +#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 = iobase, - .end = iobase + SZ_16K - 1, + .start = data->iobase, + .end = data->iobase + SZ_4K - 1, .flags = IORESOURCE_MEM, }, { - .start = irq, - .end = irq, + .start = data->irq, + .end = data->irq, .flags = IORESOURCE_IRQ, }, }; - return platform_device_register_resndata(&mxc_ahb_bus, "imx-sdma", - -1, res, ARRAY_SIZE(res), pdata, sizeof(*pdata)); + 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 = { + .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()) { + 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); |