| Viresh Kumar | e3978dc | 2012-04-19 22:23:13 +0530 | [diff] [blame] | 1 | /* |
| 2 | * arch/arm/mach-spear13xx/spear1310.c |
| 3 | * |
| 4 | * SPEAr1310 machine source file |
| 5 | * |
| 6 | * Copyright (C) 2012 ST Microelectronics |
| Viresh Kumar | 10d8935 | 2012-06-20 12:53:02 -0700 | [diff] [blame] | 7 | * Viresh Kumar <viresh.linux@gmail.com> |
| Viresh Kumar | e3978dc | 2012-04-19 22:23:13 +0530 | [diff] [blame] | 8 | * |
| 9 | * This file is licensed under the terms of the GNU General Public |
| 10 | * License version 2. This program is licensed "as is" without any |
| 11 | * warranty of any kind, whether express or implied. |
| 12 | */ |
| 13 | |
| 14 | #define pr_fmt(fmt) "SPEAr1310: " fmt |
| 15 | |
| 16 | #include <linux/amba/pl022.h> |
| 17 | #include <linux/of_platform.h> |
| 18 | #include <asm/hardware/gic.h> |
| 19 | #include <asm/mach/arch.h> |
| 20 | #include <asm/mach/map.h> |
| 21 | #include <mach/generic.h> |
| 22 | #include <mach/spear.h> |
| 23 | |
| 24 | /* Base addresses */ |
| 25 | #define SPEAR1310_SSP1_BASE UL(0x5D400000) |
| 26 | #define SPEAR1310_SATA0_BASE UL(0xB1000000) |
| 27 | #define SPEAR1310_SATA1_BASE UL(0xB1800000) |
| 28 | #define SPEAR1310_SATA2_BASE UL(0xB4000000) |
| 29 | |
| 30 | /* ssp device registration */ |
| 31 | static struct pl022_ssp_controller ssp1_plat_data = { |
| 32 | .bus_id = 0, |
| 33 | .enable_dma = 0, |
| 34 | .num_chipselect = 3, |
| 35 | }; |
| 36 | |
| 37 | /* Add SPEAr1310 auxdata to pass platform data */ |
| 38 | static struct of_dev_auxdata spear1310_auxdata_lookup[] __initdata = { |
| 39 | OF_DEV_AUXDATA("arasan,cf-spear1340", MCIF_CF_BASE, NULL, &cf_dma_priv), |
| 40 | OF_DEV_AUXDATA("snps,dma-spear1340", DMAC0_BASE, NULL, &dmac_plat_data), |
| 41 | OF_DEV_AUXDATA("snps,dma-spear1340", DMAC1_BASE, NULL, &dmac_plat_data), |
| 42 | OF_DEV_AUXDATA("arm,pl022", SSP_BASE, NULL, &pl022_plat_data), |
| 43 | |
| 44 | OF_DEV_AUXDATA("arm,pl022", SPEAR1310_SSP1_BASE, NULL, &ssp1_plat_data), |
| 45 | {} |
| 46 | }; |
| 47 | |
| 48 | static void __init spear1310_dt_init(void) |
| 49 | { |
| 50 | of_platform_populate(NULL, of_default_bus_match_table, |
| 51 | spear1310_auxdata_lookup, NULL); |
| 52 | } |
| 53 | |
| 54 | static const char * const spear1310_dt_board_compat[] = { |
| 55 | "st,spear1310", |
| 56 | "st,spear1310-evb", |
| 57 | NULL, |
| 58 | }; |
| 59 | |
| 60 | /* |
| 61 | * Following will create 16MB static virtual/physical mappings |
| 62 | * PHYSICAL VIRTUAL |
| 63 | * 0xD8000000 0xFA000000 |
| 64 | */ |
| 65 | struct map_desc spear1310_io_desc[] __initdata = { |
| 66 | { |
| 67 | .virtual = VA_SPEAR1310_RAS_GRP1_BASE, |
| 68 | .pfn = __phys_to_pfn(SPEAR1310_RAS_GRP1_BASE), |
| 69 | .length = SZ_16M, |
| 70 | .type = MT_DEVICE |
| 71 | }, |
| 72 | }; |
| 73 | |
| 74 | static void __init spear1310_map_io(void) |
| 75 | { |
| 76 | iotable_init(spear1310_io_desc, ARRAY_SIZE(spear1310_io_desc)); |
| 77 | spear13xx_map_io(); |
| 78 | } |
| 79 | |
| 80 | DT_MACHINE_START(SPEAR1310_DT, "ST SPEAr1310 SoC with Flattened Device Tree") |
| 81 | .map_io = spear1310_map_io, |
| 82 | .init_irq = spear13xx_dt_init_irq, |
| 83 | .handle_irq = gic_handle_irq, |
| 84 | .timer = &spear13xx_timer, |
| 85 | .init_machine = spear1310_dt_init, |
| 86 | .restart = spear_restart, |
| 87 | .dt_compat = spear1310_dt_board_compat, |
| 88 | MACHINE_END |