X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=arch%2Farm%2Fmach-tegra%2Fpowergate.c;h=30ae036bff055fb5561d140fb1d4e04c17235045;hb=715b3a9b2486e8d7a32365d817c77209b35ee796;hp=6331cd40fdb5c91da2b578060e8d85d47294e262;hpb=91a34ed9b182d796e0364a8fd1e72e3915c4daea;p=u-boot 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 #include - +#include #include #include @@ -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);