diff options
author | Sascha Hauer <s.hauer@pengutronix.de> | 2015-01-27 23:10:49 +0100 |
---|---|---|
committer | Sascha Hauer <s.hauer@pengutronix.de> | 2015-01-28 08:21:19 +0100 |
commit | 1a63678cb2be569865079a5c2663dd4a454857aa (patch) | |
tree | 465a42f06f3129c938dbb3842a3a8d9653f9ef40 /arch/arm | |
parent | e0c61f3be3d72acfdcc3a43701016b548c446645 (diff) | |
download | barebox-1a63678cb2be569865079a5c2663dd4a454857aa.tar.gz barebox-1a63678cb2be569865079a5c2663dd4a454857aa.tar.xz |
ARM: MXS: Add regulator debug print
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/mach-mxs/power-init.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm/mach-mxs/power-init.c b/arch/arm/mach-mxs/power-init.c index 407b776399..5d4d0892d8 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) |