2012-04-19 10:53:13 -06:00
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/*
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* arch/arm/mach-spear13xx/spear1310.c
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*
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* SPEAr1310 machine source file
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*
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* Copyright (C) 2012 ST Microelectronics
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2012-06-20 13:53:02 -06:00
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* Viresh Kumar <viresh.linux@gmail.com>
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2012-04-19 10:53:13 -06:00
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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#define pr_fmt(fmt) "SPEAr1310: " fmt
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#include <linux/amba/pl022.h>
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#include <linux/of_platform.h>
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#include <asm/hardware/gic.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <mach/generic.h>
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#include <mach/spear.h>
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/* Base addresses */
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#define SPEAR1310_SSP1_BASE UL(0x5D400000)
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#define SPEAR1310_SATA0_BASE UL(0xB1000000)
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#define SPEAR1310_SATA1_BASE UL(0xB1800000)
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#define SPEAR1310_SATA2_BASE UL(0xB4000000)
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/* ssp device registration */
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static struct pl022_ssp_controller ssp1_plat_data = {
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.bus_id = 0,
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.enable_dma = 0,
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.num_chipselect = 3,
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};
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/* Add SPEAr1310 auxdata to pass platform data */
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static struct of_dev_auxdata spear1310_auxdata_lookup[] __initdata = {
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OF_DEV_AUXDATA("arasan,cf-spear1340", MCIF_CF_BASE, NULL, &cf_dma_priv),
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OF_DEV_AUXDATA("snps,dma-spear1340", DMAC0_BASE, NULL, &dmac_plat_data),
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OF_DEV_AUXDATA("snps,dma-spear1340", DMAC1_BASE, NULL, &dmac_plat_data),
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OF_DEV_AUXDATA("arm,pl022", SSP_BASE, NULL, &pl022_plat_data),
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OF_DEV_AUXDATA("arm,pl022", SPEAR1310_SSP1_BASE, NULL, &ssp1_plat_data),
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{}
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};
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static void __init spear1310_dt_init(void)
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{
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of_platform_populate(NULL, of_default_bus_match_table,
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spear1310_auxdata_lookup, NULL);
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}
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static const char * const spear1310_dt_board_compat[] = {
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"st,spear1310",
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"st,spear1310-evb",
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NULL,
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};
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/*
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* Following will create 16MB static virtual/physical mappings
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* PHYSICAL VIRTUAL
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* 0xD8000000 0xFA000000
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*/
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struct map_desc spear1310_io_desc[] __initdata = {
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{
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.virtual = VA_SPEAR1310_RAS_GRP1_BASE,
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.pfn = __phys_to_pfn(SPEAR1310_RAS_GRP1_BASE),
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.length = SZ_16M,
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.type = MT_DEVICE
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},
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};
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static void __init spear1310_map_io(void)
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{
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iotable_init(spear1310_io_desc, ARRAY_SIZE(spear1310_io_desc));
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spear13xx_map_io();
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}
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DT_MACHINE_START(SPEAR1310_DT, "ST SPEAr1310 SoC with Flattened Device Tree")
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.map_io = spear1310_map_io,
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.init_irq = spear13xx_dt_init_irq,
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.handle_irq = gic_handle_irq,
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.timer = &spear13xx_timer,
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.init_machine = spear1310_dt_init,
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.restart = spear_restart,
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.dt_compat = spear1310_dt_board_compat,
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MACHINE_END
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