| /* |
| * arch/arm/mach-spear13xx/spear1310.c |
| * |
| * SPEAr1310 machine source file |
| * |
| * Copyright (C) 2012 ST Microelectronics |
| * Viresh Kumar <viresh.linux@gmail.com> |
| * |
| * This file is licensed under the terms of the GNU General Public |
| * License version 2. This program is licensed "as is" without any |
| * warranty of any kind, whether express or implied. |
| */ |
| |
| #define pr_fmt(fmt) "SPEAr1310: " fmt |
| |
| #include <linux/amba/pl022.h> |
| #include <linux/irqchip.h> |
| #include <linux/of_platform.h> |
| #include <linux/pata_arasan_cf_data.h> |
| #include <asm/mach/arch.h> |
| #include <asm/mach/map.h> |
| #include "generic.h" |
| #include <mach/spear.h> |
| |
| /* Base addresses */ |
| #define SPEAR1310_SSP1_BASE UL(0x5D400000) |
| #define SPEAR1310_SATA0_BASE UL(0xB1000000) |
| #define SPEAR1310_SATA1_BASE UL(0xB1800000) |
| #define SPEAR1310_SATA2_BASE UL(0xB4000000) |
| |
| #define SPEAR1310_RAS_GRP1_BASE UL(0xD8000000) |
| #define VA_SPEAR1310_RAS_GRP1_BASE UL(0xFA000000) |
| |
| static struct arasan_cf_pdata cf_pdata = { |
| .cf_if_clk = CF_IF_CLK_166M, |
| .quirk = CF_BROKEN_UDMA, |
| .dma_priv = &cf_dma_priv, |
| }; |
| |
| /* ssp device registration */ |
| static struct pl022_ssp_controller ssp1_plat_data = { |
| .enable_dma = 0, |
| }; |
| |
| /* Add SPEAr1310 auxdata to pass platform data */ |
| static struct of_dev_auxdata spear1310_auxdata_lookup[] __initdata = { |
| OF_DEV_AUXDATA("arasan,cf-spear1340", MCIF_CF_BASE, NULL, &cf_pdata), |
| OF_DEV_AUXDATA("snps,dma-spear1340", DMAC0_BASE, NULL, &dmac_plat_data), |
| OF_DEV_AUXDATA("snps,dma-spear1340", DMAC1_BASE, NULL, &dmac_plat_data), |
| OF_DEV_AUXDATA("arm,pl022", SSP_BASE, NULL, &pl022_plat_data), |
| |
| OF_DEV_AUXDATA("arm,pl022", SPEAR1310_SSP1_BASE, NULL, &ssp1_plat_data), |
| {} |
| }; |
| |
| static void __init spear1310_dt_init(void) |
| { |
| of_platform_populate(NULL, of_default_bus_match_table, |
| spear1310_auxdata_lookup, NULL); |
| } |
| |
| static const char * const spear1310_dt_board_compat[] = { |
| "st,spear1310", |
| "st,spear1310-evb", |
| NULL, |
| }; |
| |
| /* |
| * Following will create 16MB static virtual/physical mappings |
| * PHYSICAL VIRTUAL |
| * 0xD8000000 0xFA000000 |
| */ |
| struct map_desc spear1310_io_desc[] __initdata = { |
| { |
| .virtual = VA_SPEAR1310_RAS_GRP1_BASE, |
| .pfn = __phys_to_pfn(SPEAR1310_RAS_GRP1_BASE), |
| .length = SZ_16M, |
| .type = MT_DEVICE |
| }, |
| }; |
| |
| static void __init spear1310_map_io(void) |
| { |
| iotable_init(spear1310_io_desc, ARRAY_SIZE(spear1310_io_desc)); |
| spear13xx_map_io(); |
| } |
| |
| DT_MACHINE_START(SPEAR1310_DT, "ST SPEAr1310 SoC with Flattened Device Tree") |
| .smp = smp_ops(spear13xx_smp_ops), |
| .map_io = spear1310_map_io, |
| .init_irq = irqchip_init, |
| .init_time = spear13xx_timer_init, |
| .init_machine = spear1310_dt_init, |
| .restart = spear_restart, |
| .dt_compat = spear1310_dt_board_compat, |
| MACHINE_END |