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-rw-r--r--src/soc/nvidia/tegra124/bootblock.c4
-rw-r--r--src/soc/nvidia/tegra124/flow.h14
-rw-r--r--src/soc/nvidia/tegra124/power.c16
-rw-r--r--src/soc/nvidia/tegra124/power.h2
4 files changed, 35 insertions, 1 deletions
diff --git a/src/soc/nvidia/tegra124/bootblock.c b/src/soc/nvidia/tegra124/bootblock.c
index 59001491ff..aec914532e 100644
--- a/src/soc/nvidia/tegra124/bootblock.c
+++ b/src/soc/nvidia/tegra124/bootblock.c
@@ -79,6 +79,10 @@ void main(void)
clock_cpu0_config(entry);
power_enable_and_ungate_cpu();
+
+ /* Repair ram on cluster0 and cluster1 after CPU is powered on. */
+ ram_repair();
+
clock_cpu0_remove_reset();
clock_halt_avp();
diff --git a/src/soc/nvidia/tegra124/flow.h b/src/soc/nvidia/tegra124/flow.h
index 531278c402..416681ac8f 100644
--- a/src/soc/nvidia/tegra124/flow.h
+++ b/src/soc/nvidia/tegra124/flow.h
@@ -35,8 +35,14 @@ struct flow_ctlr {
u32 cpu_pwr_csr; /* offset 0x38 */
u32 mpid; /* offset 0x3c */
u32 ram_repair; /* offset 0x40 */
+ u32 flow_dbg_sel; /* offset 0x44 */
+ u32 flow_dbg_cnt0; /* offset 0x48 */
+ u32 flow_dbg_cnt1; /* offset 0x4c */
+ u32 flow_dbg_qual; /* offset 0x50 */
+ u32 flow_ctlr_spare; /* offset 0x54 */
+ u32 ram_repair_cluster1;/* offset 0x58 */
};
-check_member(flow_ctlr, ram_repair, 0x40);
+check_member(flow_ctlr, ram_repair_cluster1, 0x58);
enum {
FLOW_MODE_SHIFT = 29,
@@ -76,4 +82,10 @@ enum {
FLOW_EVENT_JTAG = 1 << 28
};
+/* RAM_REPAIR, 0x40, 0x58 */
+enum {
+ RAM_REPAIR_REQ = 0x1 << 0,
+ RAM_REPAIR_STS = 0x1 << 1,
+};
+
#endif /* _TEGRA124_FLOW_H_ */
diff --git a/src/soc/nvidia/tegra124/power.c b/src/soc/nvidia/tegra124/power.c
index ec44a0fb02..75f04942b9 100644
--- a/src/soc/nvidia/tegra124/power.c
+++ b/src/soc/nvidia/tegra124/power.c
@@ -25,8 +25,10 @@
#include "pmc.h"
#include "power.h"
+#include "flow.h"
static struct tegra_pmc_regs * const pmc = (void *)TEGRA_PMC_BASE;
+static struct flow_ctlr * const flow = (void *)TEGRA_FLOW_BASE;
static int partition_powered(int id)
{
@@ -92,3 +94,17 @@ int power_reset_status(void)
{
return read32(&pmc->rst_status) & 0x7;
}
+
+void ram_repair(void)
+{
+ // Request RAM repair for cluster 0
+ setbits_le32(&flow->ram_repair, RAM_REPAIR_REQ);
+ // Poll for completion
+ while (!(read32(&flow->ram_repair) & RAM_REPAIR_STS))
+ ;
+ // Request RAM repair for cluster 1
+ setbits_le32(&flow->ram_repair_cluster1, RAM_REPAIR_REQ);
+ // Poll for completion
+ while (!(read32(&flow->ram_repair_cluster1) & RAM_REPAIR_STS))
+ ;
+}
diff --git a/src/soc/nvidia/tegra124/power.h b/src/soc/nvidia/tegra124/power.h
index bce6faf9ec..889dede2dd 100644
--- a/src/soc/nvidia/tegra124/power.h
+++ b/src/soc/nvidia/tegra124/power.h
@@ -35,4 +35,6 @@ enum {
};
int power_reset_status(void);
+void ram_repair(void);
+
#endif /* __SOC_NVIDIA_TEGRA124_POWER_H__ */