This is DEEP power down bit, not "power down".

diff --git a/core/system.c b/core/system.c
index 103c87e..c3e8f9c 100644 (file)
--- a/core/system.c
+++ b/core/system.c
@@ -155,7 +155,7 @@ void enter_deep_power_down(void)
        while (!(sys_config->main_clk_upd_en & 0x01));
 
        /* Enter deep power-down on next wfi() call */
-       pmu->power_ctrl |= LPC_PD_EN;
+       pmu->power_ctrl |= LPC_DPD_EN;
        scb->scr |= SCB_SCR_SLEEPDEEP;
 
        /* Power down everything but the IRC and Flash */

diff --git a/include/core/system.h b/include/core/system.h
index e51bd23..b7be0bd 100644 (file)
--- a/include/core/system.h
+++ b/include/core/system.h
@@ -284,7 +284,7 @@ struct lpc_pm_unit
 #define LPC_PMU         ((struct lpc_pm_unit *) LPC_PMU_BASE)
 
 /* Power control register */
-#define LPC_PD_EN                   (0x01 << 1)
+#define LPC_DPD_EN                   (0x01 << 1)
 #define LPC_SLEEP_FLAG              (0x01 << 8)
 #define LPC_DPD_FLAG                (0x01 << 11)
 /* System config register */