diff options
Diffstat (limited to 'arch/arm/mach-sunxi')
| -rw-r--r-- | arch/arm/mach-sunxi/Kconfig | 38 | ||||
| -rw-r--r-- | arch/arm/mach-sunxi/common.h | 19 | ||||
| -rw-r--r-- | arch/arm/mach-sunxi/platsmp.c | 3 | ||||
| -rw-r--r-- | arch/arm/mach-sunxi/sunxi.c | 36 |
4 files changed, 34 insertions, 62 deletions
diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig index b57d7d53b9d..0fbd4f156bf 100644 --- a/arch/arm/mach-sunxi/Kconfig +++ b/arch/arm/mach-sunxi/Kconfig @@ -1,14 +1,38 @@ -config ARCH_SUNXI - bool "Allwinner A1X SOCs" if ARCH_MULTI_V7 - select ARCH_HAS_RESET_CONTROLLER +menuconfig ARCH_SUNXI + bool "Allwinner SoCs" if ARCH_MULTI_V7 select ARCH_REQUIRE_GPIOLIB - select ARM_GIC - select ARM_PSCI select CLKSRC_MMIO select GENERIC_IRQ_CHIP - select HAVE_ARM_ARCH_TIMER select PINCTRL select PINCTRL_SUNXI - select RESET_CONTROLLER select SUN4I_TIMER + +if ARCH_SUNXI + +config MACH_SUN4I + bool "Allwinner A10 (sun4i) SoCs support" + default ARCH_SUNXI + +config MACH_SUN5I + bool "Allwinner A10s / A13 (sun5i) SoCs support" + default ARCH_SUNXI + select SUN5I_HSTIMER + +config MACH_SUN6I + bool "Allwinner A31 (sun6i) SoCs support" + default ARCH_SUNXI + select ARCH_HAS_RESET_CONTROLLER + select ARM_GIC + select MFD_SUN6I_PRCM + select RESET_CONTROLLER + select SUN5I_HSTIMER + +config MACH_SUN7I + bool "Allwinner A20 (sun7i) SoCs support" + default ARCH_SUNXI + select ARM_GIC + select ARM_PSCI + select HAVE_ARM_ARCH_TIMER select SUN5I_HSTIMER + +endif diff --git a/arch/arm/mach-sunxi/common.h b/arch/arm/mach-sunxi/common.h deleted file mode 100644 index 9e5ac4756cb..00000000000 --- a/arch/arm/mach-sunxi/common.h +++ /dev/null @@ -1,19 +0,0 @@ -/* - * Core functions for Allwinner SoCs - * - * Copyright (C) 2013 Maxime Ripard - * - * Maxime Ripard <maxime.ripard@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. - */ - -#ifndef __ARCH_SUNXI_COMMON_H_ -#define __ARCH_SUNXI_COMMON_H_ - -void sun6i_secondary_startup(void); -extern struct smp_operations sun6i_smp_ops; - -#endif /* __ARCH_SUNXI_COMMON_H_ */ diff --git a/arch/arm/mach-sunxi/platsmp.c b/arch/arm/mach-sunxi/platsmp.c index 0c7dbce033c..c53077bb8c3 100644 --- a/arch/arm/mach-sunxi/platsmp.c +++ b/arch/arm/mach-sunxi/platsmp.c @@ -21,8 +21,6 @@ #include <linux/of_address.h> #include <linux/smp.h> -#include "common.h" - #define CPUCFG_CPU_PWR_CLAMP_STATUS_REG(cpu) ((cpu) * 0x40 + 0x64) #define CPUCFG_CPU_RST_CTRL_REG(cpu) (((cpu) + 1) * 0x40) #define CPUCFG_CPU_CTRL_REG(cpu) (((cpu) + 1) * 0x40 + 0x04) @@ -122,3 +120,4 @@ struct smp_operations sun6i_smp_ops __initdata = { .smp_prepare_cpus = sun6i_smp_prepare_cpus, .smp_boot_secondary = sun6i_smp_boot_secondary, }; +CPU_METHOD_OF_DECLARE(sun6i_smp, "allwinner,sun6i-a31", &sun6i_smp_ops); diff --git a/arch/arm/mach-sunxi/sunxi.c b/arch/arm/mach-sunxi/sunxi.c index 460b5a4962e..b6085084e0f 100644 --- a/arch/arm/mach-sunxi/sunxi.c +++ b/arch/arm/mach-sunxi/sunxi.c @@ -25,8 +25,6 @@ #include <asm/mach/map.h> #include <asm/system_misc.h> -#include "common.h" - #define SUN4I_WATCHDOG_CTRL_REG 0x00 #define SUN4I_WATCHDOG_CTRL_RESTART BIT(0) #define SUN4I_WATCHDOG_MODE_REG 0x04 @@ -66,36 +64,8 @@ static void sun4i_restart(enum reboot_mode mode, const char *cmd) } } -static void sun6i_restart(enum reboot_mode mode, const char *cmd) -{ - if (!wdt_base) - return; - - /* Disable interrupts */ - writel(0, wdt_base + SUN6I_WATCHDOG1_IRQ_REG); - - /* We want to disable the IRQ and just reset the whole system */ - writel(SUN6I_WATCHDOG1_CONFIG_RESTART, - wdt_base + SUN6I_WATCHDOG1_CONFIG_REG); - - /* Enable timer. The default and lowest interval value is 0.5s */ - writel(SUN6I_WATCHDOG1_MODE_ENABLE, - wdt_base + SUN6I_WATCHDOG1_MODE_REG); - - /* Restart the watchdog. */ - writel(SUN6I_WATCHDOG1_CTRL_RESTART, - wdt_base + SUN6I_WATCHDOG1_CTRL_REG); - - while (1) { - mdelay(5); - writel(SUN6I_WATCHDOG1_MODE_ENABLE, - wdt_base + SUN6I_WATCHDOG1_MODE_REG); - } -} - static struct of_device_id sunxi_restart_ids[] = { { .compatible = "allwinner,sun4i-a10-wdt" }, - { .compatible = "allwinner,sun6i-a31-wdt" }, { /*sentinel*/ } }; @@ -140,16 +110,14 @@ extern void __init sun6i_reset_init(void); static void __init sun6i_timer_init(void) { of_clk_init(NULL); - sun6i_reset_init(); + if (IS_ENABLED(CONFIG_RESET_CONTROLLER)) + sun6i_reset_init(); clocksource_of_init(); } DT_MACHINE_START(SUN6I_DT, "Allwinner sun6i (A31) Family") - .init_machine = sunxi_dt_init, .init_time = sun6i_timer_init, .dt_compat = sun6i_board_dt_compat, - .restart = sun6i_restart, - .smp = smp_ops(sun6i_smp_ops), MACHINE_END static const char * const sun7i_board_dt_compat[] = { |
