plat/rockchip: enable power domains of rk3399 before reset
This patch fixes hangs that happen after soft resetting of rk3399.
Signed-off-by: Piotr Szczepanik <piter75@gmail.com>
Change-Id: If41b12ba1dfcb2ba937361b58eafd50bf5c483d4
diff --git a/plat/rockchip/rk3399/drivers/pmu/pmu.c b/plat/rockchip/rk3399/drivers/pmu/pmu.c
index 30941fd..faee678 100644
--- a/plat/rockchip/rk3399/drivers/pmu/pmu.c
+++ b/plat/rockchip/rk3399/drivers/pmu/pmu.c
@@ -400,6 +400,25 @@
clk_gate_con_restore();
}
+void pmu_power_domains_on(void)
+{
+ clk_gate_con_disable();
+ pmu_set_power_domain(PD_VDU, pmu_pd_on);
+ pmu_set_power_domain(PD_VCODEC, pmu_pd_on);
+ pmu_set_power_domain(PD_RGA, pmu_pd_on);
+ pmu_set_power_domain(PD_IEP, pmu_pd_on);
+ pmu_set_power_domain(PD_EDP, pmu_pd_on);
+ pmu_set_power_domain(PD_GMAC, pmu_pd_on);
+ pmu_set_power_domain(PD_SDIOAUDIO, pmu_pd_on);
+ pmu_set_power_domain(PD_HDCP, pmu_pd_on);
+ pmu_set_power_domain(PD_ISP1, pmu_pd_on);
+ pmu_set_power_domain(PD_ISP0, pmu_pd_on);
+ pmu_set_power_domain(PD_VO, pmu_pd_on);
+ pmu_set_power_domain(PD_TCPD1, pmu_pd_on);
+ pmu_set_power_domain(PD_TCPD0, pmu_pd_on);
+ pmu_set_power_domain(PD_GPU, pmu_pd_on);
+}
+
void rk3399_flush_l2_b(void)
{
uint32_t wait_cnt = 0;
diff --git a/plat/rockchip/rk3399/drivers/pmu/pmu.h b/plat/rockchip/rk3399/drivers/pmu/pmu.h
index 74db82f..bb7de50 100644
--- a/plat/rockchip/rk3399/drivers/pmu/pmu.h
+++ b/plat/rockchip/rk3399/drivers/pmu/pmu.h
@@ -136,5 +136,6 @@
extern uint32_t clst_warmboot_data[PLATFORM_CLUSTER_COUNT];
extern void sram_func_set_ddrctl_pll(uint32_t pll_src);
+void pmu_power_domains_on(void);
#endif /* PMU_H */
diff --git a/plat/rockchip/rk3399/drivers/soc/soc.c b/plat/rockchip/rk3399/drivers/soc/soc.c
index c877dbd..98b5ad6 100644
--- a/plat/rockchip/rk3399/drivers/soc/soc.c
+++ b/plat/rockchip/rk3399/drivers/soc/soc.c
@@ -17,6 +17,7 @@
#include <dram.h>
#include <m0_ctl.h>
#include <plat_private.h>
+#include <pmu.h>
#include <rk3399_def.h>
#include <secure.h>
#include <soc.h>
@@ -327,6 +328,7 @@
void __dead2 soc_global_soft_reset(void)
{
+ pmu_power_domains_on();
set_pll_slow_mode(VPLL_ID);
set_pll_slow_mode(NPLL_ID);
set_pll_slow_mode(GPLL_ID);