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Diffstat (limited to 'arch/arm/mach-tegra/powergate.c')
-rw-r--r--arch/arm/mach-tegra/powergate.c20
1 files changed, 19 insertions, 1 deletions
diff --git a/arch/arm/mach-tegra/powergate.c b/arch/arm/mach-tegra/powergate.c
index 6331cd40fd..30ae036bff 100644
--- a/arch/arm/mach-tegra/powergate.c
+++ b/arch/arm/mach-tegra/powergate.c
@@ -9,7 +9,7 @@
#include <asm/io.h>
#include <asm/types.h>
-
+#include <asm/arch/flow.h>
#include <asm/arch/powergate.h>
#include <asm/arch/tegra.h>
@@ -75,11 +75,29 @@ static int tegra_powergate_remove_clamping(enum tegra_powergate id)
return 0;
}
+static void tegra_powergate_ram_repair(void)
+{
+#ifdef CONFIG_TEGRA124
+ struct flow_ctlr *flow = (struct flow_ctlr *)NV_PA_FLOW_BASE;
+
+ /* Request RAM repair for cluster 0 and wait until complete */
+ setbits_le32(&flow->ram_repair, RAM_REPAIR_REQ);
+ while (!(readl(&flow->ram_repair) & RAM_REPAIR_STS))
+ ;
+
+ /* Same for cluster 1 */
+ setbits_le32(&flow->ram_repair_cluster1, RAM_REPAIR_REQ);
+ while (!(readl(&flow->ram_repair_cluster1) & RAM_REPAIR_STS))
+ ;
+#endif
+}
+
int tegra_powergate_sequence_power_up(enum tegra_powergate id,
enum periph_id periph)
{
int err;
+ tegra_powergate_ram_repair();
reset_set_enable(periph, 1);
err = tegra_powergate_power_on(id);