diff options
Diffstat (limited to 'arch/arm/mach-sunxi/sunxi.c')
| -rw-r--r-- | arch/arm/mach-sunxi/sunxi.c | 44 |
1 files changed, 13 insertions, 31 deletions
diff --git a/arch/arm/mach-sunxi/sunxi.c b/arch/arm/mach-sunxi/sunxi.c index 61d3a387f01..b6085084e0f 100644 --- a/arch/arm/mach-sunxi/sunxi.c +++ b/arch/arm/mach-sunxi/sunxi.c @@ -10,6 +10,8 @@ * warranty of any kind, whether express or implied. */ +#include <linux/clk-provider.h> +#include <linux/clocksource.h> #include <linux/delay.h> #include <linux/kernel.h> #include <linux/init.h> @@ -62,36 +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-wdt" }, - { .compatible = "allwinner,sun6i-wdt" }, + { .compatible = "allwinner,sun4i-a10-wdt" }, { /*sentinel*/ } }; @@ -132,10 +106,18 @@ static const char * const sun6i_board_dt_compat[] = { NULL, }; +extern void __init sun6i_reset_init(void); +static void __init sun6i_timer_init(void) +{ + of_clk_init(NULL); + 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, MACHINE_END static const char * const sun7i_board_dt_compat[] = { |