| Nicolas Ferre | 49fe2ba | 2011-10-10 18:29:24 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Setup code for AT91SAM Evaluation Kits with Device Tree support |
| 3 | * |
| 4 | * Covers: * AT91SAM9G45-EKES board |
| 5 | * * AT91SAM9M10-EKES board |
| 6 | * * AT91SAM9M10G45-EK board |
| 7 | * |
| 8 | * Copyright (C) 2011 Atmel, |
| 9 | * 2011 Nicolas Ferre <nicolas.ferre@atmel.com> |
| 10 | * |
| 11 | * Licensed under GPLv2 or later. |
| 12 | */ |
| 13 | |
| 14 | #include <linux/types.h> |
| 15 | #include <linux/init.h> |
| 16 | #include <linux/module.h> |
| 17 | #include <linux/gpio.h> |
| Nicolas Ferre | 8014d6f4 | 2012-02-14 18:08:14 +0100 | [diff] [blame] | 18 | #include <linux/of.h> |
| 19 | #include <linux/of_irq.h> |
| Nicolas Ferre | 49fe2ba | 2011-10-10 18:29:24 +0200 | [diff] [blame] | 20 | #include <linux/of_platform.h> |
| 21 | |
| Nicolas Ferre | 49fe2ba | 2011-10-10 18:29:24 +0200 | [diff] [blame] | 22 | #include <mach/board.h> |
| Nicolas Ferre | 49fe2ba | 2011-10-10 18:29:24 +0200 | [diff] [blame] | 23 | |
| 24 | #include <asm/setup.h> |
| 25 | #include <asm/irq.h> |
| 26 | #include <asm/mach/arch.h> |
| 27 | #include <asm/mach/map.h> |
| 28 | #include <asm/mach/irq.h> |
| 29 | |
| Nicolas Ferre | 49fe2ba | 2011-10-10 18:29:24 +0200 | [diff] [blame] | 30 | #include "generic.h" |
| 31 | |
| 32 | |
| 33 | static void __init ek_init_early(void) |
| 34 | { |
| 35 | /* Initialize processor: 12.000 MHz crystal */ |
| 36 | at91_initialize(12000000); |
| Nicolas Ferre | 49fe2ba | 2011-10-10 18:29:24 +0200 | [diff] [blame] | 37 | } |
| 38 | |
| Nicolas Ferre | 8014d6f4 | 2012-02-14 18:08:14 +0100 | [diff] [blame] | 39 | static const struct of_device_id irq_of_match[] __initconst = { |
| 40 | |
| 41 | { .compatible = "atmel,at91rm9200-aic", .data = at91_aic_of_init }, |
| 42 | { .compatible = "atmel,at91rm9200-gpio", .data = at91_gpio_of_irq_setup }, |
| Nicolas Ferre | 582d5fb | 2010-07-20 19:18:51 +0200 | [diff] [blame] | 43 | { .compatible = "atmel,at91sam9x5-gpio", .data = at91_gpio_of_irq_setup }, |
| Nicolas Ferre | 8014d6f4 | 2012-02-14 18:08:14 +0100 | [diff] [blame] | 44 | { /*sentinel*/ } |
| 45 | }; |
| 46 | |
| Nicolas Ferre | 49fe2ba | 2011-10-10 18:29:24 +0200 | [diff] [blame] | 47 | static void __init at91_dt_init_irq(void) |
| 48 | { |
| Nicolas Ferre | 8014d6f4 | 2012-02-14 18:08:14 +0100 | [diff] [blame] | 49 | of_irq_init(irq_of_match); |
| Nicolas Ferre | 49fe2ba | 2011-10-10 18:29:24 +0200 | [diff] [blame] | 50 | } |
| 51 | |
| 52 | static void __init at91_dt_device_init(void) |
| 53 | { |
| 54 | of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); |
| Nicolas Ferre | 49fe2ba | 2011-10-10 18:29:24 +0200 | [diff] [blame] | 55 | } |
| 56 | |
| 57 | static const char *at91_dt_board_compat[] __initdata = { |
| 58 | "atmel,at91sam9m10g45ek", |
| Dan Liang | 2b9ccf3 | 2011-03-10 19:08:55 +0100 | [diff] [blame] | 59 | "atmel,at91sam9x5ek", |
| Jean-Christophe PLAGNIOL-VILLARD | fea3158 | 2011-10-14 09:40:52 +0800 | [diff] [blame] | 60 | "calao,usb-a9g20", |
| Nicolas Ferre | 49fe2ba | 2011-10-10 18:29:24 +0200 | [diff] [blame] | 61 | NULL |
| 62 | }; |
| 63 | |
| 64 | DT_MACHINE_START(at91sam_dt, "Atmel AT91SAM (Device Tree)") |
| 65 | /* Maintainer: Atmel */ |
| 66 | .timer = &at91sam926x_timer, |
| 67 | .map_io = at91_map_io, |
| 68 | .init_early = ek_init_early, |
| 69 | .init_irq = at91_dt_init_irq, |
| 70 | .init_machine = at91_dt_device_init, |
| 71 | .dt_compat = at91_dt_board_compat, |
| 72 | MACHINE_END |