arm: mxs: Add function to dump PMU registers

This commit provides function, which when debugging
output is enabled dumps the IMX28 PMU registers.

Signed-off-by: Lukasz Majewski <lukma@denx.de>

diff --git a/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c b/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c
index 24f61b4..7ea029e 100644 (file)
--- a/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c
+++ b/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c
@@ -41,6 +41,29 @@ static void mxs_power_clock2xtal(void)
                &clkctrl_regs->hw_clkctrl_clkseq_set);
 }
 
+static void mxs_power_regs_dump(void)
+{
+       struct mxs_power_regs *power_regs =
+               (struct mxs_power_regs *)MXS_POWER_BASE;
+
+       debug("ctrl:\t\t 0x%x\n", readl(&power_regs->hw_power_ctrl));
+       debug("5vctrl:\t\t 0x%x\n", readl(&power_regs->hw_power_5vctrl));
+       debug("minpwr:\t\t 0x%x\n", readl(&power_regs->hw_power_minpwr));
+       debug("charge:\t\t 0x%x\n", readl(&power_regs->hw_power_charge));
+       debug("vddctrl:\t 0x%x\n", readl(&power_regs->hw_power_vdddctrl));
+       debug("vddactrl:\t 0x%x\n", readl(&power_regs->hw_power_vddactrl));
+       debug("vddioctrl:\t 0x%x\n", readl(&power_regs->hw_power_vddioctrl));
+       debug("vddmemctrl:\t 0x%x\n", readl(&power_regs->hw_power_vddmemctrl));
+       debug("dcdc4p2:\t 0x%x\n", readl(&power_regs->hw_power_dcdc4p2));
+       debug("misc:\t\t 0x%x\n", readl(&power_regs->hw_power_misc));
+       debug("dclimits:\t 0x%x\n", readl(&power_regs->hw_power_dclimits));
+       debug("loopctrl:\t 0x%x\n", readl(&power_regs->hw_power_loopctrl));
+       debug("sts:\t\t 0x%x\n", readl(&power_regs->hw_power_sts));
+       debug("speed:\t\t 0x%x\n", readl(&power_regs->hw_power_speed));
+       debug("battmonitor:\t 0x%x\n",
+             readl(&power_regs->hw_power_battmonitor));
+}
+
 /**
  * mxs_power_clock2pll() - Switch CPU core clock source to PLL
  *
@@ -1280,6 +1303,7 @@ void mxs_power_init(void)
                POWER_CTRL_DCDC4P2_BO_IRQ, &power_regs->hw_power_ctrl_clr);
 
        writel(POWER_5VCTRL_PWDN_5VBRNOUT, &power_regs->hw_power_5vctrl_set);
+       mxs_power_regs_dump();
 
        early_delay(1000);
 }