hc
2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da
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/*
 * arch/arm/mach-spear13xx/spear1310.c
 *
 * SPEAr1310 machine source file
 *
 * Copyright (C) 2012 ST Microelectronics
 * Viresh Kumar <vireshk@kernel.org>
 *
 * 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/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)
{
   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