| /* |
| * 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/clk-provider.h> |
| #include <linux/of_address.h> |
| #include <linux/of_platform.h> |
| #include <linux/io.h> |
| #include <linux/time-armada-370-xp.h> |
| #include <linux/dma-mapping.h> |
| #include <linux/mbus.h> |
| #include <asm/hardware/cache-l2x0.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 void __init armada_370_xp_map_io(void) |
| { |
| debug_ll_io_init(); |
| } |
| |
| /* |
| * This initialization will be replaced by a DT-based |
| * initialization once the mvebu-mbus driver gains DT support. |
| */ |
| |
| #define ARMADA_370_XP_MBUS_WINS_OFFS 0x20000 |
| #define ARMADA_370_XP_MBUS_WINS_SIZE 0x100 |
| #define ARMADA_370_XP_SDRAM_WINS_OFFS 0x20180 |
| #define ARMADA_370_XP_SDRAM_WINS_SIZE 0x20 |
| |
| static void __init armada_370_xp_mbus_init(void) |
| { |
| char *mbus_soc_name; |
| struct device_node *dn; |
| const __be32 mbus_wins_offs = cpu_to_be32(ARMADA_370_XP_MBUS_WINS_OFFS); |
| const __be32 sdram_wins_offs = cpu_to_be32(ARMADA_370_XP_SDRAM_WINS_OFFS); |
| |
| if (of_machine_is_compatible("marvell,armada370")) |
| mbus_soc_name = "marvell,armada370-mbus"; |
| else |
| mbus_soc_name = "marvell,armadaxp-mbus"; |
| |
| dn = of_find_node_by_name(NULL, "internal-regs"); |
| BUG_ON(!dn); |
| |
| mvebu_mbus_init(mbus_soc_name, |
| of_translate_address(dn, &mbus_wins_offs), |
| ARMADA_370_XP_MBUS_WINS_SIZE, |
| of_translate_address(dn, &sdram_wins_offs), |
| ARMADA_370_XP_SDRAM_WINS_SIZE); |
| } |
| |
| static void __init armada_370_xp_timer_and_clk_init(void) |
| { |
| of_clk_init(NULL); |
| armada_370_xp_timer_init(); |
| coherency_init(); |
| armada_370_xp_mbus_init(); |
| #ifdef CONFIG_CACHE_L2X0 |
| l2x0_of_init(0, ~0UL); |
| #endif |
| } |
| |
| static void __init armada_370_xp_dt_init(void) |
| { |
| of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); |
| } |
| |
| 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_time = armada_370_xp_timer_and_clk_init, |
| .restart = mvebu_restart, |
| .dt_compat = armada_370_xp_dt_compat, |
| MACHINE_END |
