| Nicolas Ferre | 2dc850b | 2014-09-15 18:15:54 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Chip-specific setup code for the SAMA5D4 family |
| 3 | * |
| 4 | * Copyright (C) 2013 Atmel Corporation, |
| 5 | * Nicolas Ferre <nicolas.ferre@atmel.com> |
| 6 | * |
| 7 | * Licensed under GPLv2 or later. |
| 8 | */ |
| 9 | |
| 10 | #include <linux/module.h> |
| 11 | #include <linux/dma-mapping.h> |
| 12 | #include <linux/clk/at91_pmc.h> |
| 13 | |
| 14 | #include <asm/irq.h> |
| 15 | #include <asm/mach/arch.h> |
| 16 | #include <asm/mach/map.h> |
| 17 | #include <mach/sama5d4.h> |
| 18 | #include <mach/cpu.h> |
| 19 | #include <mach/hardware.h> |
| 20 | |
| 21 | #include "soc.h" |
| 22 | #include "generic.h" |
| 23 | #include "sam9_smc.h" |
| 24 | |
| 25 | /* -------------------------------------------------------------------- |
| 26 | * Processor initialization |
| 27 | * -------------------------------------------------------------------- */ |
| Nicolas Ferre | 726d32b | 2014-09-15 18:15:55 +0200 | [diff] [blame] | 28 | static struct map_desc at91_io_desc[] __initdata = { |
| 29 | { |
| 30 | .virtual = (unsigned long)AT91_ALT_IO_P2V(SAMA5D4_BASE_MPDDRC), |
| 31 | .pfn = __phys_to_pfn(SAMA5D4_BASE_MPDDRC), |
| 32 | .length = SZ_512, |
| 33 | .type = MT_DEVICE, |
| 34 | }, |
| 35 | { |
| 36 | .virtual = (unsigned long)AT91_ALT_IO_P2V(SAMA5D4_BASE_PMC), |
| 37 | .pfn = __phys_to_pfn(SAMA5D4_BASE_PMC), |
| 38 | .length = SZ_512, |
| 39 | .type = MT_DEVICE, |
| 40 | }, |
| 41 | { /* On sama5d4, we use USART3 as serial console */ |
| 42 | .virtual = (unsigned long)AT91_ALT_IO_P2V(SAMA5D4_BASE_USART3), |
| 43 | .pfn = __phys_to_pfn(SAMA5D4_BASE_USART3), |
| 44 | .length = SZ_256, |
| 45 | .type = MT_DEVICE, |
| 46 | }, |
| 47 | { /* A bunch of peripheral with fine grained IO space */ |
| 48 | .virtual = (unsigned long)AT91_ALT_IO_P2V(SAMA5D4_BASE_SYS2), |
| 49 | .pfn = __phys_to_pfn(SAMA5D4_BASE_SYS2), |
| 50 | .length = SZ_2K, |
| 51 | .type = MT_DEVICE, |
| 52 | }, |
| 53 | }; |
| 54 | |
| Nicolas Ferre | 2dc850b | 2014-09-15 18:15:54 +0200 | [diff] [blame] | 55 | |
| 56 | static void __init sama5d4_map_io(void) |
| 57 | { |
| Nicolas Ferre | 726d32b | 2014-09-15 18:15:55 +0200 | [diff] [blame] | 58 | iotable_init(at91_io_desc, ARRAY_SIZE(at91_io_desc)); |
| Nicolas Ferre | 2dc850b | 2014-09-15 18:15:54 +0200 | [diff] [blame] | 59 | at91_init_sram(0, SAMA5D4_NS_SRAM_BASE, SAMA5D4_NS_SRAM_SIZE); |
| 60 | } |
| 61 | |
| 62 | AT91_SOC_START(sama5d4) |
| 63 | .map_io = sama5d4_map_io, |
| 64 | AT91_SOC_END |