diff options
Diffstat (limited to 'kernel/arch/arm/mach-spear/spear1310.c')
| -rw-r--r-- | kernel/arch/arm/mach-spear/spear1310.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-spear/spear1310.c b/kernel/arch/arm/mach-spear/spear1310.c new file mode 100644 index 000000000..d9ce4d800 --- /dev/null +++ b/kernel/arch/arm/mach-spear/spear1310.c @@ -0,0 +1,67 @@ +/* + * 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/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_RAS_GRP1_BASE UL(0xD8000000) +#define VA_SPEAR1310_RAS_GRP1_BASE UL(0xFA000000) + +static void __init spear1310_dt_init(void) +{ + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); + platform_device_register_simple("spear-cpufreq", -1, NULL, 0); +} + +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 + */ +static 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_time = spear13xx_timer_init, + .init_machine = spear1310_dt_init, + .restart = spear_restart, + .dt_compat = spear1310_dt_board_compat, +MACHINE_END |