diff options
Diffstat (limited to 'plat/rockchip/rk3399/drivers/m0/src/main.c')
| -rw-r--r-- | plat/rockchip/rk3399/drivers/m0/src/main.c | 46 |
1 files changed, 13 insertions, 33 deletions
diff --git a/plat/rockchip/rk3399/drivers/m0/src/main.c b/plat/rockchip/rk3399/drivers/m0/src/main.c index 2e583c70..95659c4e 100644 --- a/plat/rockchip/rk3399/drivers/m0/src/main.c +++ b/plat/rockchip/rk3399/drivers/m0/src/main.c @@ -28,44 +28,24 @@ * POSSIBILITY OF SUCH DAMAGE. */ +#include <m0_param.h> #include "rk3399_mcu.h" -#define PMU_PWRMODE_CON 0x20 -#define PMU_POWER_ST 0x78 - -#define M0_SCR 0xe000ed10 /* System Control Register (SCR) */ - -#define SCR_SLEEPDEEP_SHIFT (1 << 2) - -static void system_wakeup(void) +__attribute__((noreturn)) void main(void) { - unsigned int status_value; - unsigned int mode_con; - - while (1) { - status_value = readl(PMU_BASE + PMU_POWER_ST); - if (status_value) { - mode_con = readl(PMU_BASE + PMU_PWRMODE_CON); - writel(mode_con & (~0x01), - PMU_BASE + PMU_PWRMODE_CON); - return; - } + switch (mmio_read_32(PARAM_ADDR + PARAM_M0_FUNC)) { + case M0_FUNC_SUSPEND: + handle_suspend(); + break; + case M0_FUNC_DRAM: + handle_dram(); + break; + default: + break; } -} -int main(void) -{ - unsigned int reg_src; - - system_wakeup(); - - reg_src = readl(M0_SCR); - - /* m0 enter deep sleep mode */ - writel(reg_src | SCR_SLEEPDEEP_SHIFT, M0_SCR); + mmio_write_32(PARAM_ADDR + PARAM_M0_DONE, M0_DONE_FLAG); for (;;) - __asm volatile("wfi"); - - return 0; + __asm__ volatile ("wfi"); } |