projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| e3978dc7 VK |
1 | /* |
| 2 | * arch/arm/mach-spear13xx/spear1310.c | |
| 3 | * | |
| 4 | * SPEAr1310 machine source file | |
| 5 | * | |
| 6 | * Copyright (C) 2012 ST Microelectronics | |
| 10d8935f | 7 | * Viresh Kumar <viresh.linux@gmail.com> |
| e3978dc7 VK |
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 | ||
| 07e812a0 VKS |
30 | #define SPEAR1310_RAS_GRP1_BASE UL(0xD8000000) |
| 31 | #define VA_SPEAR1310_RAS_GRP1_BASE UL(0xFA000000) | |
| 32 | #define SPEAR1310_RAS_BASE UL(0xD8400000) | |
| 33 | #define VA_SPEAR1310_RAS_BASE IOMEM(UL(0xFA400000)) | |
| 34 | ||
| e3978dc7 VK |
35 | /* ssp device registration */ |
| 36 | static struct pl022_ssp_controller ssp1_plat_data = { | |
| e3978dc7 | 37 | .enable_dma = 0, |
| e3978dc7 VK |
38 | }; |
| 39 | ||
| 40 | /* Add SPEAr1310 auxdata to pass platform data */ | |
| 41 | static struct of_dev_auxdata spear1310_auxdata_lookup[] __initdata = { | |
| 42 | OF_DEV_AUXDATA("arasan,cf-spear1340", MCIF_CF_BASE, NULL, &cf_dma_priv), | |
| 43 | OF_DEV_AUXDATA("snps,dma-spear1340", DMAC0_BASE, NULL, &dmac_plat_data), | |
| 44 | OF_DEV_AUXDATA("snps,dma-spear1340", DMAC1_BASE, NULL, &dmac_plat_data), | |
| 45 | OF_DEV_AUXDATA("arm,pl022", SSP_BASE, NULL, &pl022_plat_data), | |
| 46 | ||
| 47 | OF_DEV_AUXDATA("arm,pl022", SPEAR1310_SSP1_BASE, NULL, &ssp1_plat_data), | |
| 48 | {} | |
| 49 | }; | |
| 50 | ||
| 51 | static void __init spear1310_dt_init(void) | |
| 52 | { | |
| 53 | of_platform_populate(NULL, of_default_bus_match_table, | |
| 54 | spear1310_auxdata_lookup, NULL); | |
| 55 | } | |
| 56 | ||
| 57 | static const char * const spear1310_dt_board_compat[] = { | |
| 58 | "st,spear1310", | |
| 59 | "st,spear1310-evb", | |
| 60 | NULL, | |
| 61 | }; | |
| 62 | ||
| 63 | /* | |
| 64 | * Following will create 16MB static virtual/physical mappings | |
| 65 | * PHYSICAL VIRTUAL | |
| 66 | * 0xD8000000 0xFA000000 | |
| 67 | */ | |
| 68 | struct map_desc spear1310_io_desc[] __initdata = { | |
| 69 | { | |
| 70 | .virtual = VA_SPEAR1310_RAS_GRP1_BASE, | |
| 71 | .pfn = __phys_to_pfn(SPEAR1310_RAS_GRP1_BASE), | |
| 72 | .length = SZ_16M, | |
| 73 | .type = MT_DEVICE | |
| 74 | }, | |
| 75 | }; | |
| 76 | ||
| 77 | static void __init spear1310_map_io(void) | |
| 78 | { | |
| 79 | iotable_init(spear1310_io_desc, ARRAY_SIZE(spear1310_io_desc)); | |
| 80 | spear13xx_map_io(); | |
| 81 | } | |
| 82 | ||
| 83 | DT_MACHINE_START(SPEAR1310_DT, "ST SPEAr1310 SoC with Flattened Device Tree") | |
| 2d8b21d9 | 84 | .smp = smp_ops(spear13xx_smp_ops), |
| e3978dc7 VK |
85 | .map_io = spear1310_map_io, |
| 86 | .init_irq = spear13xx_dt_init_irq, | |
| 87 | .handle_irq = gic_handle_irq, | |
| 88 | .timer = &spear13xx_timer, | |
| 89 | .init_machine = spear1310_dt_init, | |
| 90 | .restart = spear_restart, | |
| 91 | .dt_compat = spear1310_dt_board_compat, | |
| 92 | MACHINE_END |