[U-Boot] [PATCH] ARM: tegra210: set PLLE_PTS bit when enabling PLLE
Stephen Warren
swarren at wwwdotorg.org
Tue Mar 22 16:45:36 CET 2016
From: Stephen Warren <swarren at nvidia.com>
This bit needs to be set for system suspend/resume to work. This setting
will be documented in an updated TRM at some time in the future.
Signed-off-by: Stephen Warren <swarren at nvidia.com>
---
arch/arm/mach-tegra/tegra210/clock.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm/mach-tegra/tegra210/clock.c b/arch/arm/mach-tegra/tegra210/clock.c
index df92bdce889e..f0052e7934a1 100644
--- a/arch/arm/mach-tegra/tegra210/clock.c
+++ b/arch/arm/mach-tegra/tegra210/clock.c
@@ -1104,6 +1104,7 @@ static int tegra_pllref_enable(void)
#define PLLE_MISC_IDDQ_SWCTL (1 << 14)
#define PLLE_MISC_IDDQ_OVERRIDE_VALUE (1 << 13)
#define PLLE_MISC_LOCK (1 << 11)
+#define PLLE_PTS (1 << 8)
#define PLLE_MISC_KCP(x) (((x) & 0x3) << 6)
#define PLLE_MISC_VREG_CTRL(x) (((x) & 0x3) << 2)
#define PLLE_MISC_KVCO (1 << 0)
@@ -1157,6 +1158,7 @@ int tegra_plle_enable(void)
writel(value, NV_PA_CLK_RST_BASE + PLLE_BASE);
value = readl(NV_PA_CLK_RST_BASE + PLLE_MISC);
+ value |= PLLE_PTS;
value &= ~PLLE_MISC_KCP(3);
value &= ~PLLE_MISC_VREG_CTRL(3);
value &= ~PLLE_MISC_KVCO;
--
2.7.4
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