| /* |
| * 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 |
