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rockchip: support reset SoC through gpio for rk3399 

If define a reset gpio, BL31 will use gpio to reset SOC,
otherwise use CRU reset.
This commit is contained in:
Caesar Wang 2016-05-25 19:04:47 +08:00
parent 68ff45f40a
commit 8867299f05
1 changed files with 20 additions and 1 deletions
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21
plat/rockchip/rk3399/drivers/pmu/pmu.c
View File

@ -34,9 +34,11 @@
#include <debug.h>
#include <delay_timer.h>
#include <errno.h>
#include <gpio.h>
#include <mmio.h>
#include <platform.h>
#include <platform_def.h>
#include <plat_params.h>
#include <plat_private.h>
#include <rk3399_def.h>
#include <pmu_sram.h>
@ -384,6 +386,23 @@ static int sys_pwr_domain_resume(void)
return 0;
}
void __dead2 soc_soft_reset(void)
{
struct gpio_info *rst_gpio;
rst_gpio = (struct gpio_info *)plat_get_rockchip_gpio_reset();
if (rst_gpio) {
gpio_set_direction(rst_gpio->index, GPIO_DIR_OUT);
gpio_set_value(rst_gpio->index, rst_gpio->polarity);
} else {
soc_global_soft_reset();
}
while (1)
;
}
static struct rockchip_pm_ops_cb pm_ops = {
.cores_pwr_dm_on = cores_pwr_domain_on,
.cores_pwr_dm_off = cores_pwr_domain_off,
@ -392,7 +411,7 @@ static struct rockchip_pm_ops_cb pm_ops = {
.cores_pwr_dm_resume = cores_pwr_domain_resume,
.sys_pwr_dm_suspend = sys_pwr_domain_suspend,
.sys_pwr_dm_resume = sys_pwr_domain_resume,
.sys_gbl_soft_reset = soc_global_soft_reset,
.sys_gbl_soft_reset = soc_soft_reset,
};
void plat_rockchip_pmu_init(void)