diff options
Diffstat (limited to 'arch/arm/mach-sunxi/sunxi.c')
| -rw-r--r-- | arch/arm/mach-sunxi/sunxi.c | 87 |
1 files changed, 48 insertions, 39 deletions
diff --git a/arch/arm/mach-sunxi/sunxi.c b/arch/arm/mach-sunxi/sunxi.c index 706ce35396b..b6085084e0f 100644 --- a/arch/arm/mach-sunxi/sunxi.c +++ b/arch/arm/mach-sunxi/sunxi.c @@ -10,33 +10,39 @@ * 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> -#include <linux/irqchip.h> #include <linux/of_address.h> #include <linux/of_irq.h> #include <linux/of_platform.h> #include <linux/io.h> - -#include <linux/clk/sunxi.h> +#include <linux/reboot.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/system_misc.h> -#include "sunxi.h" - #define SUN4I_WATCHDOG_CTRL_REG 0x00 -#define SUN4I_WATCHDOG_CTRL_RESTART (1 << 0) +#define SUN4I_WATCHDOG_CTRL_RESTART BIT(0) #define SUN4I_WATCHDOG_MODE_REG 0x04 -#define SUN4I_WATCHDOG_MODE_ENABLE (1 << 0) -#define SUN4I_WATCHDOG_MODE_RESET_ENABLE (1 << 1) +#define SUN4I_WATCHDOG_MODE_ENABLE BIT(0) +#define SUN4I_WATCHDOG_MODE_RESET_ENABLE BIT(1) + +#define SUN6I_WATCHDOG1_IRQ_REG 0x00 +#define SUN6I_WATCHDOG1_CTRL_REG 0x10 +#define SUN6I_WATCHDOG1_CTRL_RESTART BIT(0) +#define SUN6I_WATCHDOG1_CONFIG_REG 0x14 +#define SUN6I_WATCHDOG1_CONFIG_RESTART BIT(0) +#define SUN6I_WATCHDOG1_CONFIG_IRQ BIT(1) +#define SUN6I_WATCHDOG1_MODE_REG 0x18 +#define SUN6I_WATCHDOG1_MODE_ENABLE BIT(0) static void __iomem *wdt_base; -static void sun4i_restart(char mode, const char *cmd) +static void sun4i_restart(enum reboot_mode mode, const char *cmd) { if (!wdt_base) return; @@ -59,13 +65,12 @@ static void sun4i_restart(char mode, const char *cmd) } static struct of_device_id sunxi_restart_ids[] = { - { .compatible = "allwinner,sun4i-wdt", .data = sun4i_restart }, + { .compatible = "allwinner,sun4i-a10-wdt" }, { /*sentinel*/ } }; static void sunxi_setup_restart(void) { - const struct of_device_id *of_id; struct device_node *np; np = of_find_matching_node(NULL, sunxi_restart_ids); @@ -74,31 +79,6 @@ static void sunxi_setup_restart(void) wdt_base = of_iomap(np, 0); WARN(!wdt_base, "failed to map watchdog base address"); - - of_id = of_match_node(sunxi_restart_ids, np); - WARN(!of_id, "restart function not available"); - - arm_pm_restart = of_id->data; -} - -static struct map_desc sunxi_io_desc[] __initdata = { - { - .virtual = (unsigned long) SUNXI_REGS_VIRT_BASE, - .pfn = __phys_to_pfn(SUNXI_REGS_PHYS_BASE), - .length = SUNXI_REGS_SIZE, - .type = MT_DEVICE, - }, -}; - -void __init sunxi_map_io(void) -{ - iotable_init(sunxi_io_desc, ARRAY_SIZE(sunxi_io_desc)); -} - -static void __init sunxi_timer_init(void) -{ - sunxi_init_clocks(); - clocksource_of_init(); } static void __init sunxi_dt_init(void) @@ -110,14 +90,43 @@ static void __init sunxi_dt_init(void) static const char * const sunxi_board_dt_compat[] = { "allwinner,sun4i-a10", + "allwinner,sun5i-a10s", "allwinner,sun5i-a13", NULL, }; DT_MACHINE_START(SUNXI_DT, "Allwinner A1X (Device Tree)") .init_machine = sunxi_dt_init, - .map_io = sunxi_map_io, - .init_irq = irqchip_init, - .init_time = sunxi_timer_init, .dt_compat = sunxi_board_dt_compat, + .restart = sun4i_restart, +MACHINE_END + +static const char * const sun6i_board_dt_compat[] = { + "allwinner,sun6i-a31", + 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_time = sun6i_timer_init, + .dt_compat = sun6i_board_dt_compat, +MACHINE_END + +static const char * const sun7i_board_dt_compat[] = { + "allwinner,sun7i-a20", + NULL, +}; + +DT_MACHINE_START(SUN7I_DT, "Allwinner sun7i (A20) Family") + .init_machine = sunxi_dt_init, + .dt_compat = sun7i_board_dt_compat, + .restart = sun4i_restart, MACHINE_END |