| /* |
| * Device Tree support for Armada 370 and XP platforms. |
| * |
| * Copyright (C) 2012 Marvell |
| * |
| * Lior Amsalem <alior@marvell.com> |
| * Gregory CLEMENT <gregory.clement@free-electrons.com> |
| * Thomas Petazzoni <thomas.petazzoni@free-electrons.com> |
| * |
| * This file is licensed under the terms of the GNU General Public |
| * License version 2. This program is licensed "as is" without any |
| * warranty of any kind, whether express or implied. |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/init.h> |
| #include <linux/of_platform.h> |
| #include <linux/io.h> |
| #include <linux/time-armada-370-xp.h> |
| #include <linux/clk/mvebu.h> |
| #include <linux/dma-mapping.h> |
| #include <asm/mach/arch.h> |
| #include <asm/mach/map.h> |
| #include <asm/mach/time.h> |
| #include "armada-370-xp.h" |
| #include "common.h" |
| #include "coherency.h" |
| |
| static struct map_desc armada_370_xp_io_desc[] __initdata = { |
| { |
| .virtual = (unsigned long) ARMADA_370_XP_REGS_VIRT_BASE, |
| .pfn = __phys_to_pfn(ARMADA_370_XP_REGS_PHYS_BASE), |
| .length = ARMADA_370_XP_REGS_SIZE, |
| .type = MT_DEVICE, |
| }, |
| }; |
| |
| void __init armada_370_xp_map_io(void) |
| { |
| iotable_init(armada_370_xp_io_desc, ARRAY_SIZE(armada_370_xp_io_desc)); |
| } |
| |
| void __init armada_370_xp_timer_and_clk_init(void) |
| { |
| mvebu_clocks_init(); |
| armada_370_xp_timer_init(); |
| } |
| |
| void __init armada_370_xp_init_early(void) |
| { |
| /* |
| * Some Armada 370/XP devices allocate their coherent buffers |
| * from atomic context. Increase size of atomic coherent pool |
| * to make sure such the allocations won't fail. |
| */ |
| init_dma_coherent_pool_size(SZ_1M); |
| } |
| |
| static void __init armada_370_xp_dt_init(void) |
| { |
| of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); |
| coherency_init(); |
| } |
| |
| static const char * const armada_370_xp_dt_compat[] = { |
| "marvell,armada-370-xp", |
| NULL, |
| }; |
| |
| DT_MACHINE_START(ARMADA_XP_DT, "Marvell Armada 370/XP (Device Tree)") |
| .smp = smp_ops(armada_xp_smp_ops), |
| .init_machine = armada_370_xp_dt_init, |
| .map_io = armada_370_xp_map_io, |
| .init_early = armada_370_xp_init_early, |
| .init_irq = armada_370_xp_init_irq, |
| .handle_irq = armada_370_xp_handle_irq, |
| .init_time = armada_370_xp_timer_and_clk_init, |
| .restart = mvebu_restart, |
| .dt_compat = armada_370_xp_dt_compat, |
| MACHINE_END |