diff options
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/nvidia/tegra124/lp0/tegra_lp0_resume.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/soc/nvidia/tegra124/lp0/tegra_lp0_resume.c b/src/soc/nvidia/tegra124/lp0/tegra_lp0_resume.c index 9b1a4b5562..0a3cb48641 100644 --- a/src/soc/nvidia/tegra124/lp0/tegra_lp0_resume.c +++ b/src/soc/nvidia/tegra124/lp0/tegra_lp0_resume.c @@ -193,6 +193,14 @@ enum { FLOW_CLUSTER_ACTIVE_LP = 0x1 << 0 }; +static uint32_t *flow_ctlr_ram_repair_ptr = + (void *)(FLOW_CTLR_BASE + 0x40); +static uint32_t *flow_ctlr_ram_repair_cluster1_ptr = + (void *)(FLOW_CTLR_BASE + 0x58); +enum { + RAM_REPAIR_REQ = 0x1 << 0, + RAM_REPAIR_STS = 0x1 << 1, +}; /* Power management controller registers. */ @@ -483,6 +491,24 @@ static void clear_cpu_resets(void) +/* RAM repair */ + +void ram_repair(void) +{ + // Request Cluster0 RAM repair. + setbits32(RAM_REPAIR_REQ, flow_ctlr_ram_repair_ptr); + // Poll for Cluster0 RAM repair status. + while (!(read32(flow_ctlr_ram_repair_ptr) & RAM_REPAIR_STS)) + ; + + // Request Cluster1 RAM repair. + setbits32(RAM_REPAIR_REQ, flow_ctlr_ram_repair_cluster1_ptr); + // Poll for Cluster1 RAM repair status. + while (!(read32(flow_ctlr_ram_repair_cluster1_ptr) & RAM_REPAIR_STS)) + ; +} + + /* Power. */ static void power_on_partition(unsigned id) @@ -589,6 +615,9 @@ void lp0_resume(void) power_on_main_cpu(); + // Perform ram repair after cpu is powered on. + ram_repair(); + clear_cpu_resets(); // Halt the AVP. |