/* * 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