Those 3 are needed to power CPU0 from the CPUG cluster.
Signed-off-by: Lucas Stach <[email protected]>
---
arch/arm/mach-tegra/include/mach/tegra20-pmc.h | 4 ++++
arch/arm/mach-tegra/tegra_avp_init.c | 24 ++++++++++++++++++------
2 files changed, 22 insertions(+), 6 deletions(-)
diff --git a/arch/arm/mach-tegra/include/mach/tegra20-pmc.h
b/arch/arm/mach-tegra/include/mach/tegra20-pmc.h
index 3a05e0f..30ac065 100644
--- a/arch/arm/mach-tegra/include/mach/tegra20-pmc.h
+++ b/arch/arm/mach-tegra/include/mach/tegra20-pmc.h
@@ -66,4 +66,8 @@
#define PMC_PWRGATE_STATUS_TD (1 << 1)
#define PMC_PWRGATE_STATUS_CPU (1 << 0)
+#define PMC_PARTID_CRAIL 0
+#define PMC_PARTID_CE0 14
+#define PMC_PARTID_C0NC 15
+
#define PMC_SCRATCH(i) (0x050 + 0x4*i)
diff --git a/arch/arm/mach-tegra/tegra_avp_init.c
b/arch/arm/mach-tegra/tegra_avp_init.c
index cc8b0e2..3d21963 100644
--- a/arch/arm/mach-tegra/tegra_avp_init.c
+++ b/arch/arm/mach-tegra/tegra_avp_init.c
@@ -197,26 +197,38 @@ static void start_cpu0_clocks(void)
tegra_ll_delay_usec(300);
}
-static void maincomplex_powerup(void)
+static void power_up_partition(u32 partid)
{
u32 reg;
- if (!(readl(TEGRA_PMC_BASE + PMC_PWRGATE_STATUS) &
- PMC_PWRGATE_STATUS_CPU)) {
- writel(PMC_PWRGATE_TOGGLE_START | PMC_PWRGATE_TOGGLE_PARTID_CPU,
+ if (!(readl(TEGRA_PMC_BASE + PMC_PWRGATE_STATUS) & (1 << partid))) {
+ writel(PMC_PWRGATE_TOGGLE_START | partid,
TEGRA_PMC_BASE + PMC_PWRGATE_TOGGLE);
while (!(readl(TEGRA_PMC_BASE + PMC_PWRGATE_STATUS) &
- PMC_PWRGATE_STATUS_CPU));
+ (1 << partid)));
reg = readl(TEGRA_PMC_BASE + PMC_REMOVE_CLAMPING_CMD);
- reg |= PMC_REMOVE_CLAMPING_CMD_CPU;
+ reg |= (1 << partid);
writel(reg, TEGRA_PMC_BASE + PMC_REMOVE_CLAMPING_CMD);
tegra_ll_delay_usec(1000);
}
}
+static void maincomplex_powerup(void)
+{
+ /* main cpu rail */
+ power_up_partition(PMC_PARTID_CRAIL);
+
+ if (tegra_get_chiptype() >= TEGRA114) {
+ /* fast cluster uncore part */
+ power_up_partition(PMC_PARTID_C0NC);
+ /* fast cluster cpu0 part */
+ power_up_partition(PMC_PARTID_CE0);
+ }
+}
+
static void tegra_cluster_switch_hp(void)
{
u32 reg;
--
1.9.3
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