diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-06-10 05:30:17 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-06-10 05:30:17 -0300 |
| commit | d635711daa98be86d4c7fd01499c34f566b54ccb (patch) | |
| tree | aa5cc3760a27c3d57146498cb82fa549547de06c /arch/arm/mach-uniphier | |
| parent | c91265cd0efb83778f015b4d4b1129bd2cfd075e (diff) | |
Linux-libre 4.6.2-gnu
Diffstat (limited to 'arch/arm/mach-uniphier')
| -rw-r--r-- | arch/arm/mach-uniphier/platsmp.c | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/arch/arm/mach-uniphier/platsmp.c b/arch/arm/mach-uniphier/platsmp.c index e1cfc1d6e..db04142f8 100644 --- a/arch/arm/mach-uniphier/platsmp.c +++ b/arch/arm/mach-uniphier/platsmp.c @@ -30,7 +30,7 @@ * The secondary CPUs check this register from the boot ROM for the jump * destination. After that, it can be reused as a scratch register. */ -#define UNIPHIER_SBC_ROM_BOOT_RSV2 0x1208 +#define UNIPHIER_SMPCTRL_ROM_RSV2 0x208 static void __iomem *uniphier_smp_rom_boot_rsv2; static unsigned int uniphier_smp_max_cpus; @@ -98,21 +98,29 @@ static int __init uniphier_smp_prepare_trampoline(unsigned int max_cpus) phys_addr_t rom_rsv2_phys; int ret; - np = of_find_compatible_node(NULL, NULL, - "socionext,uniphier-system-bus-controller"); - ret = of_address_to_resource(np, 1, &res); - if (ret) { - pr_err("failed to get resource of system-bus-controller\n"); - return ret; + np = of_find_compatible_node(NULL, NULL, "socionext,uniphier-smpctrl"); + of_node_put(np); + ret = of_address_to_resource(np, 0, &res); + if (!ret) { + rom_rsv2_phys = res.start + UNIPHIER_SMPCTRL_ROM_RSV2; + } else { + /* try old binding too */ + np = of_find_compatible_node(NULL, NULL, + "socionext,uniphier-system-bus-controller"); + of_node_put(np); + ret = of_address_to_resource(np, 1, &res); + if (ret) { + pr_err("failed to get resource of SMP control\n"); + return ret; + } + rom_rsv2_phys = res.start + 0x1000 + UNIPHIER_SMPCTRL_ROM_RSV2; } - rom_rsv2_phys = res.start + UNIPHIER_SBC_ROM_BOOT_RSV2; - ret = uniphier_smp_copy_trampoline(rom_rsv2_phys); if (ret) return ret; - uniphier_smp_rom_boot_rsv2 = ioremap(rom_rsv2_phys, sizeof(SZ_4)); + uniphier_smp_rom_boot_rsv2 = ioremap(rom_rsv2_phys, SZ_4); if (!uniphier_smp_rom_boot_rsv2) { pr_err("failed to map ROM_BOOT_RSV2 register\n"); return -ENOMEM; |