diff options
Diffstat (limited to 'arch/arm/mach-mvebu')
| -rw-r--r-- | arch/arm/mach-mvebu/armada-370-xp.c | 34 | ||||
| -rw-r--r-- | arch/arm/mach-mvebu/platsmp.c | 25 |
2 files changed, 25 insertions, 34 deletions
diff --git a/arch/arm/mach-mvebu/armada-370-xp.c b/arch/arm/mach-mvebu/armada-370-xp.c index 97cbb8021919..829b57306328 100644 --- a/arch/arm/mach-mvebu/armada-370-xp.c +++ b/arch/arm/mach-mvebu/armada-370-xp.c @@ -34,44 +34,12 @@ 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(); + BUG_ON(mvebu_mbus_dt_init()); #ifdef CONFIG_CACHE_L2X0 l2x0_of_init(0, ~0UL); #endif diff --git a/arch/arm/mach-mvebu/platsmp.c b/arch/arm/mach-mvebu/platsmp.c index f9c09b75d4d7..ff69c2df298b 100644 --- a/arch/arm/mach-mvebu/platsmp.c +++ b/arch/arm/mach-mvebu/platsmp.c @@ -21,6 +21,7 @@ #include <linux/smp.h> #include <linux/clk.h> #include <linux/of.h> +#include <linux/of_address.h> #include <linux/mbus.h> #include <asm/cacheflush.h> #include <asm/smp_plat.h> @@ -29,6 +30,9 @@ #include "pmsu.h" #include "coherency.h" +#define AXP_BOOTROM_BASE 0xfff00000 +#define AXP_BOOTROM_SIZE 0x100000 + static struct clk *__init get_cpu_clk(int cpu) { struct clk *cpu_clk; @@ -92,10 +96,29 @@ static void __init armada_xp_smp_init_cpus(void) void __init armada_xp_smp_prepare_cpus(unsigned int max_cpus) { + struct device_node *node; + struct resource res; + int err; + set_secondary_cpus_clock(); flush_cache_all(); set_cpu_coherent(cpu_logical_map(smp_processor_id()), 0); - mvebu_mbus_add_window("bootrom", 0xfff00000, SZ_1M); + + /* + * In order to boot the secondary CPUs we need to ensure + * the bootROM is mapped at the correct address. + */ + node = of_find_compatible_node(NULL, NULL, "marvell,bootrom"); + if (!node) + panic("Cannot find 'marvell,bootrom' compatible node"); + + err = of_address_to_resource(node, 0, &res); + if (err < 0) + panic("Cannot get 'bootrom' node address"); + + if (res.start != AXP_BOOTROM_BASE || + resource_size(&res) != AXP_BOOTROM_SIZE) + panic("The address for the BootROM is incorrect"); } struct smp_operations armada_xp_smp_ops __initdata = { |