Thomas Petazzoni | 9ae6f74 | 2012-06-13 19:01:28 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Device Tree support for Armada 370 and XP platforms. |
| 3 | * |
| 4 | * Copyright (C) 2012 Marvell |
| 5 | * |
| 6 | * Lior Amsalem <alior@marvell.com> |
| 7 | * Gregory CLEMENT <gregory.clement@free-electrons.com> |
| 8 | * Thomas Petazzoni <thomas.petazzoni@free-electrons.com> |
| 9 | * |
| 10 | * This file is licensed under the terms of the GNU General Public |
| 11 | * License version 2. This program is licensed "as is" without any |
| 12 | * warranty of any kind, whether express or implied. |
| 13 | */ |
| 14 | |
| 15 | #include <linux/kernel.h> |
| 16 | #include <linux/init.h> |
| 17 | #include <linux/of_platform.h> |
| 18 | #include <linux/io.h> |
| 19 | #include <linux/time-armada-370-xp.h> |
Gregory CLEMENT | 9d20278 | 2012-11-17 15:22:24 +0100 | [diff] [blame] | 20 | #include <linux/clk/mvebu.h> |
Thomas Petazzoni | 9ae6f74 | 2012-06-13 19:01:28 +0200 | [diff] [blame] | 21 | #include <asm/mach/arch.h> |
| 22 | #include <asm/mach/map.h> |
| 23 | #include <asm/mach/time.h> |
Rob Herring | 6eb5be3 | 2012-09-02 14:57:33 -0500 | [diff] [blame] | 24 | #include "armada-370-xp.h" |
Thomas Petazzoni | 9ae6f74 | 2012-06-13 19:01:28 +0200 | [diff] [blame] | 25 | #include "common.h" |
Gregory CLEMENT | 45f5984 | 2012-11-14 22:51:08 +0100 | [diff] [blame^] | 26 | #include "coherency.h" |
Thomas Petazzoni | 9ae6f74 | 2012-06-13 19:01:28 +0200 | [diff] [blame] | 27 | |
| 28 | static struct map_desc armada_370_xp_io_desc[] __initdata = { |
| 29 | { |
Thomas Petazzoni | 9758e70 | 2012-09-11 14:27:22 +0200 | [diff] [blame] | 30 | .virtual = (unsigned long) ARMADA_370_XP_REGS_VIRT_BASE, |
Thomas Petazzoni | 9ae6f74 | 2012-06-13 19:01:28 +0200 | [diff] [blame] | 31 | .pfn = __phys_to_pfn(ARMADA_370_XP_REGS_PHYS_BASE), |
| 32 | .length = ARMADA_370_XP_REGS_SIZE, |
| 33 | .type = MT_DEVICE, |
| 34 | }, |
| 35 | }; |
| 36 | |
| 37 | void __init armada_370_xp_map_io(void) |
| 38 | { |
| 39 | iotable_init(armada_370_xp_io_desc, ARRAY_SIZE(armada_370_xp_io_desc)); |
| 40 | } |
| 41 | |
Gregory CLEMENT | 9d20278 | 2012-11-17 15:22:24 +0100 | [diff] [blame] | 42 | void __init armada_370_xp_timer_and_clk_init(void) |
| 43 | { |
| 44 | mvebu_clocks_init(); |
| 45 | armada_370_xp_timer_init(); |
| 46 | } |
| 47 | |
Thomas Petazzoni | 9ae6f74 | 2012-06-13 19:01:28 +0200 | [diff] [blame] | 48 | struct sys_timer armada_370_xp_timer = { |
Gregory CLEMENT | 9d20278 | 2012-11-17 15:22:24 +0100 | [diff] [blame] | 49 | .init = armada_370_xp_timer_and_clk_init, |
Thomas Petazzoni | 9ae6f74 | 2012-06-13 19:01:28 +0200 | [diff] [blame] | 50 | }; |
| 51 | |
| 52 | static void __init armada_370_xp_dt_init(void) |
| 53 | { |
| 54 | of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); |
Gregory CLEMENT | 45f5984 | 2012-11-14 22:51:08 +0100 | [diff] [blame^] | 55 | coherency_init(); |
Thomas Petazzoni | 9ae6f74 | 2012-06-13 19:01:28 +0200 | [diff] [blame] | 56 | } |
| 57 | |
| 58 | static const char * const armada_370_xp_dt_board_dt_compat[] = { |
| 59 | "marvell,a370-db", |
| 60 | "marvell,axp-db", |
| 61 | NULL, |
| 62 | }; |
| 63 | |
| 64 | DT_MACHINE_START(ARMADA_XP_DT, "Marvell Aramada 370/XP (Device Tree)") |
Gregory CLEMENT | 45f5984 | 2012-11-14 22:51:08 +0100 | [diff] [blame^] | 65 | .smp = smp_ops(armada_xp_smp_ops), |
Thomas Petazzoni | 9ae6f74 | 2012-06-13 19:01:28 +0200 | [diff] [blame] | 66 | .init_machine = armada_370_xp_dt_init, |
| 67 | .map_io = armada_370_xp_map_io, |
| 68 | .init_irq = armada_370_xp_init_irq, |
| 69 | .handle_irq = armada_370_xp_handle_irq, |
| 70 | .timer = &armada_370_xp_timer, |
| 71 | .restart = mvebu_restart, |
| 72 | .dt_compat = armada_370_xp_dt_board_dt_compat, |
| 73 | MACHINE_END |