65 lines
1.8 KiB
C
65 lines
1.8 KiB
C
/*
|
|
* Chip-specific setup code for the SAMA5D4 family
|
|
*
|
|
* Copyright (C) 2013 Atmel Corporation,
|
|
* Nicolas Ferre <nicolas.ferre@atmel.com>
|
|
*
|
|
* Licensed under GPLv2 or later.
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/dma-mapping.h>
|
|
#include <linux/clk/at91_pmc.h>
|
|
|
|
#include <asm/irq.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
#include <mach/sama5d4.h>
|
|
#include <mach/cpu.h>
|
|
#include <mach/hardware.h>
|
|
|
|
#include "soc.h"
|
|
#include "generic.h"
|
|
#include "sam9_smc.h"
|
|
|
|
/* --------------------------------------------------------------------
|
|
* Processor initialization
|
|
* -------------------------------------------------------------------- */
|
|
static struct map_desc at91_io_desc[] __initdata = {
|
|
{
|
|
.virtual = (unsigned long)AT91_ALT_IO_P2V(SAMA5D4_BASE_MPDDRC),
|
|
.pfn = __phys_to_pfn(SAMA5D4_BASE_MPDDRC),
|
|
.length = SZ_512,
|
|
.type = MT_DEVICE,
|
|
},
|
|
{
|
|
.virtual = (unsigned long)AT91_ALT_IO_P2V(SAMA5D4_BASE_PMC),
|
|
.pfn = __phys_to_pfn(SAMA5D4_BASE_PMC),
|
|
.length = SZ_512,
|
|
.type = MT_DEVICE,
|
|
},
|
|
{ /* On sama5d4, we use USART3 as serial console */
|
|
.virtual = (unsigned long)AT91_ALT_IO_P2V(SAMA5D4_BASE_USART3),
|
|
.pfn = __phys_to_pfn(SAMA5D4_BASE_USART3),
|
|
.length = SZ_256,
|
|
.type = MT_DEVICE,
|
|
},
|
|
{ /* A bunch of peripheral with fine grained IO space */
|
|
.virtual = (unsigned long)AT91_ALT_IO_P2V(SAMA5D4_BASE_SYS2),
|
|
.pfn = __phys_to_pfn(SAMA5D4_BASE_SYS2),
|
|
.length = SZ_2K,
|
|
.type = MT_DEVICE,
|
|
},
|
|
};
|
|
|
|
|
|
static void __init sama5d4_map_io(void)
|
|
{
|
|
iotable_init(at91_io_desc, ARRAY_SIZE(at91_io_desc));
|
|
at91_init_sram(0, SAMA5D4_NS_SRAM_BASE, SAMA5D4_NS_SRAM_SIZE);
|
|
}
|
|
|
|
AT91_SOC_START(sama5d4)
|
|
.map_io = sama5d4_map_io,
|
|
AT91_SOC_END
|