diff options
Diffstat (limited to 'arch/arm/mach-davinci/dm644x.c')
| -rw-r--r-- | arch/arm/mach-davinci/dm644x.c | 54 |
1 files changed, 34 insertions, 20 deletions
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c index dc52657909c4..b4b3a8b9ca20 100644 --- a/arch/arm/mach-davinci/dm644x.c +++ b/arch/arm/mach-davinci/dm644x.c @@ -11,6 +11,7 @@ #include <linux/init.h> #include <linux/clk.h> #include <linux/serial_8250.h> +#include <linux/dmaengine.h> #include <linux/platform_device.h> #include <linux/platform_data/edma.h> #include <linux/platform_data/gpio-davinci.h> @@ -19,7 +20,7 @@ #include <mach/cputype.h> #include <mach/irqs.h> -#include <mach/psc.h> +#include "psc.h" #include <mach/mux.h> #include <mach/time.h> #include <mach/serial.h> @@ -498,61 +499,69 @@ static u8 dm644x_default_priorities[DAVINCI_N_AINTC_IRQ] = { /*----------------------------------------------------------------------*/ -static s8 -queue_priority_mapping[][2] = { +static s8 queue_priority_mapping[][2] = { /* {event queue no, Priority} */ {0, 3}, {1, 7}, {-1, -1}, }; -static struct edma_soc_info edma_cc0_info = { - .queue_priority_mapping = queue_priority_mapping, - .default_queue = EVENTQ_1, +static const struct dma_slave_map dm644x_edma_map[] = { + { "davinci-mcbsp", "tx", EDMA_FILTER_PARAM(0, 2) }, + { "davinci-mcbsp", "rx", EDMA_FILTER_PARAM(0, 3) }, + { "spi_davinci", "tx", EDMA_FILTER_PARAM(0, 16) }, + { "spi_davinci", "rx", EDMA_FILTER_PARAM(0, 17) }, + { "dm6441-mmc.0", "rx", EDMA_FILTER_PARAM(0, 26) }, + { "dm6441-mmc.0", "tx", EDMA_FILTER_PARAM(0, 27) }, }; -static struct edma_soc_info *dm644x_edma_info[EDMA_MAX_CC] = { - &edma_cc0_info, +static struct edma_soc_info dm644x_edma_pdata = { + .queue_priority_mapping = queue_priority_mapping, + .default_queue = EVENTQ_1, + .slave_map = dm644x_edma_map, + .slavecnt = ARRAY_SIZE(dm644x_edma_map), }; static struct resource edma_resources[] = { { - .name = "edma_cc0", + .name = "edma3_cc", .start = 0x01c00000, .end = 0x01c00000 + SZ_64K - 1, .flags = IORESOURCE_MEM, }, { - .name = "edma_tc0", + .name = "edma3_tc0", .start = 0x01c10000, .end = 0x01c10000 + SZ_1K - 1, .flags = IORESOURCE_MEM, }, { - .name = "edma_tc1", + .name = "edma3_tc1", .start = 0x01c10400, .end = 0x01c10400 + SZ_1K - 1, .flags = IORESOURCE_MEM, }, { - .name = "edma0", + .name = "edma3_ccint", .start = IRQ_CCINT0, .flags = IORESOURCE_IRQ, }, { - .name = "edma0_err", + .name = "edma3_ccerrint", .start = IRQ_CCERRINT, .flags = IORESOURCE_IRQ, }, /* not using TC*_ERR */ }; -static struct platform_device dm644x_edma_device = { - .name = "edma", - .id = 0, - .dev.platform_data = dm644x_edma_info, - .num_resources = ARRAY_SIZE(edma_resources), - .resource = edma_resources, +static const struct platform_device_info dm644x_edma_device __initconst = { + .name = "edma", + .id = 0, + .dma_mask = DMA_BIT_MASK(32), + .res = edma_resources, + .num_res = ARRAY_SIZE(edma_resources), + .data = &dm644x_edma_pdata, + .size_data = sizeof(dm644x_edma_pdata), }; /* DM6446 EVM uses ASP0; line-out is a pair of RCA jacks */ @@ -950,12 +959,17 @@ int __init dm644x_init_video(struct vpfe_config *vpfe_cfg, static int __init dm644x_init_devices(void) { + struct platform_device *edma_pdev; int ret = 0; if (!cpu_is_davinci_dm644x()) return 0; - platform_device_register(&dm644x_edma_device); + edma_pdev = platform_device_register_full(&dm644x_edma_device); + if (IS_ERR(edma_pdev)) { + pr_warn("%s: Failed to register eDMA\n", __func__); + return PTR_ERR(edma_pdev); + } platform_device_register(&dm644x_mdio_device); platform_device_register(&dm644x_emac_device); |