diff options
| -rw-r--r-- | arch/arm/mach-davinci/dm365.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c index 9d615db4463..c52aad30084 100644 --- a/arch/arm/mach-davinci/dm365.c +++ b/arch/arm/mach-davinci/dm365.c @@ -660,6 +660,91 @@ static u8 dm365_default_priorities[DAVINCI_N_AINTC_IRQ] = { [IRQ_DM365_EMUINT] = 7, }; +/* Four Transfer Controllers on DM365 */ +static const s8 +dm365_queue_tc_mapping[][2] = { + /* {event queue no, TC no} */ + {0, 0}, + {1, 1}, + {2, 2}, + {3, 3}, + {-1, -1}, +}; + +static const s8 +dm365_queue_priority_mapping[][2] = { + /* {event queue no, Priority} */ + {0, 7}, + {1, 7}, + {2, 7}, + {3, 0}, + {-1, -1}, +}; + +static struct edma_soc_info dm365_edma_info[] = { + { + .n_channel = 64, + .n_region = 4, + .n_slot = 256, + .n_tc = 4, + .n_cc = 1, + .queue_tc_mapping = dm365_queue_tc_mapping, + .queue_priority_mapping = dm365_queue_priority_mapping, + }, +}; + +static struct resource edma_resources[] = { + { + .name = "edma_cc0", + .start = 0x01c00000, + .end = 0x01c00000 + SZ_64K - 1, + .flags = IORESOURCE_MEM, + }, + { + .name = "edma_tc0", + .start = 0x01c10000, + .end = 0x01c10000 + SZ_1K - 1, + .flags = IORESOURCE_MEM, + }, + { + .name = "edma_tc1", + .start = 0x01c10400, + .end = 0x01c10400 + SZ_1K - 1, + .flags = IORESOURCE_MEM, + }, + { + .name = "edma_tc2", + .start = 0x01c10800, + .end = 0x01c10800 + SZ_1K - 1, + .flags = IORESOURCE_MEM, + }, + { + .name = "edma_tc3", + .start = 0x01c10c00, + .end = 0x01c10c00 + SZ_1K - 1, + .flags = IORESOURCE_MEM, + }, + { + .name = "edma0", + .start = IRQ_CCINT0, + .flags = IORESOURCE_IRQ, + }, + { + .name = "edma0_err", + .start = IRQ_CCERRINT, + .flags = IORESOURCE_IRQ, + }, + /* not using TC*_ERR */ +}; + +static struct platform_device dm365_edma_device = { + .name = "edma", + .id = 0, + .dev.platform_data = dm365_edma_info, + .num_resources = ARRAY_SIZE(edma_resources), + .resource = edma_resources, +}; + static struct map_desc dm365_io_desc[] = { { .virtual = IO_VIRT, @@ -763,6 +848,8 @@ static int __init dm365_init_devices(void) if (!cpu_is_davinci_dm365()) return 0; + davinci_cfg_reg(DM365_INT_EDMA_CC); + platform_device_register(&dm365_edma_device); platform_device_register(&dm365_emac_device); return 0; |