Signed-off-by: Sascha Hauer <[email protected]>
---
arch/arm/mach-mxs/power-init.c | 37 +++++++++++++++++++++++++++++++++++++
1 file changed, 37 insertions(+)
diff --git a/arch/arm/mach-mxs/power-init.c b/arch/arm/mach-mxs/power-init.c
index 407b776..5d4d089 100644
--- a/arch/arm/mach-mxs/power-init.c
+++ b/arch/arm/mach-mxs/power-init.c
@@ -24,6 +24,40 @@
#include <mach/regs-rtc.h>
#include <mach/regs-lradc.h>
+static void mxs_power_status(void)
+{
+ struct mxs_power_regs *power_regs =
+ (struct mxs_power_regs *)IMX_POWER_BASE;
+ static int linregofs[] = { 0, 1, -1, -2 };
+
+ uint32_t vddio = readl(&power_regs->hw_power_vddioctrl);
+ uint32_t vdda = readl(&power_regs->hw_power_vddactrl);
+ uint32_t vddd = readl(&power_regs->hw_power_vdddctrl);
+ uint32_t vddmem = readl(&power_regs->hw_power_vddmemctrl);
+
+ printf("vddio: %dmV (BO -%dmV), Linreg enabled, Linreg offset: %d, FET
%sabled\n",
+ (vddio & 0x1f) * 50 + 2800,
+ ((vddio >> 8) & 0x7) * 50,
+ linregofs[((vdda >> 12) & 0x3)],
+ (vddio & (1 << 16)) ? "dis" : "en");
+ printf("vdda: %dmV (BO -%dmV), Linreg %sabled, Linreg offset: %d, FET
%sabled\n",
+ (vdda & 0x1f) * 25 + 1500,
+ ((vdda >> 8) & 0x7) * 25,
+ (vdda & (1 << 17)) ? "en" : "dis",
+ linregofs[((vdda >> 12) & 0x3)],
+ (vdda & (1 << 16)) ? "dis" : "en");
+ printf("vddd: %dmV (BO -%dmV), Linreg %sabled, Linreg offset: %d, FET
%sabled\n",
+ (vddd & 0x1f) * 25 + 800,
+ ((vddd >> 8) & 0x7) * 25,
+ (vddd & (1 << 21)) ? "en" : "dis",
+ linregofs[((vdda >> 16) & 0x3)],
+ (vdda & (1 << 20)) ? "dis" : "en");
+ printf("vddmem: %dmV (BO -%dmV), Linreg %sabled\n",
+ (vddmem & 0x1f) * 25 + 1100,
+ ((vddmem >> 5) & 0x7) * 25,
+ (vddmem & (1 << 8)) ? "en" : "dis");
+}
+
/*
* This delay function is intended to be used only in early stage of boot,
where
* clock are not set up yet. The timer used here is reset on every boot and
@@ -1197,6 +1231,7 @@ static void __mx28_power_init(int has_battery)
struct mxs_power_regs *power_regs =
(struct mxs_power_regs *)IMX_POWER_BASE;
+ mxs_power_status();
mxs_power_clock2xtal();
mxs_power_set_auto_restart();
mxs_power_set_linreg();
@@ -1231,6 +1266,8 @@ static void __mx28_power_init(int has_battery)
writel(POWER_5VCTRL_PWDN_5VBRNOUT, &power_regs->hw_power_5vctrl_set);
mxs_early_delay(1000);
+
+ mxs_power_status();
}
void mx28_power_init(void)
--
2.1.4
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