mediatek: mt8192: enable NS access for systimer
Enable NS access for all systimers.
Change-Id: I3693997082a1d6f09fef5a79b6cf5a91be46cb8a
diff --git a/plat/mediatek/mt8192/drivers/timer/mt_timer.c b/plat/mediatek/mt8192/drivers/timer/mt_timer.c
index 781f940..0860885 100644
--- a/plat/mediatek/mt8192/drivers/timer/mt_timer.c
+++ b/plat/mediatek/mt8192/drivers/timer/mt_timer.c
@@ -5,6 +5,7 @@
*/
#include <arch_helpers.h>
+#include <lib/mmio.h>
#include <mt_timer.h>
#include <platform_def.h>
@@ -28,3 +29,10 @@
- normal_time_base;
return cval;
}
+
+void mt_systimer_init(void)
+{
+ /* Enable access in NS mode */
+ mmio_write_32(CNTWACR_REG, CNT_WRITE_ACCESS_CTL_MASK);
+ mmio_write_32(CNTRACR_REG, CNT_READ_ACCESS_CTL_MASK);
+}
diff --git a/plat/mediatek/mt8192/drivers/timer/mt_timer.h b/plat/mediatek/mt8192/drivers/timer/mt_timer.h
index 7aca4a3..b353177 100644
--- a/plat/mediatek/mt8192/drivers/timer/mt_timer.h
+++ b/plat/mediatek/mt8192/drivers/timer/mt_timer.h
@@ -12,6 +12,8 @@
#define CNTSR_REG (SYSTIMER_BASE + 0x4)
#define CNTSYS_L_REG (SYSTIMER_BASE + 0x8)
#define CNTSYS_H_REG (SYSTIMER_BASE + 0xc)
+#define CNTWACR_REG (SYSTIMER_BASE + 0x10)
+#define CNTRACR_REG (SYSTIMER_BASE + 0x14)
#define TIEO_EN (1 << 3)
#define COMP_15_EN (1 << 10)
@@ -23,8 +25,11 @@
#define COMP_20_MASK (COMP_20_EN | TIEO_EN)
#define COMP_25_MASK (COMP_20_EN | COMP_25_EN)
+#define CNT_WRITE_ACCESS_CTL_MASK (0x3FFFFF0U)
+#define CNT_READ_ACCESS_CTL_MASK (0x3FFFFFFU)
void sched_clock_init(uint64_t normal_base, uint64_t atf_base);
uint64_t sched_clock(void);
+void mt_systimer_init(void);
#endif /* MT_TIMER_H */