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cpu/lpc2387: PM: enable SLEEP & POWERDOWN mode

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We have to re-init PLL (and Flash) after wake from those modes.
This commit is contained in:
Benjamin Valentin 2020-04-29 17:59:44 +02:00
parent 3b257f9a5a
commit c262c91561
1 changed files with 13 additions and 4 deletions
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17
cpu/lpc2387/periph/pm.c
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@ -22,6 +22,7 @@
* @}
*/
#include "cpu.h"
#include "periph/pm.h"
#define ENABLE_DEBUG (0)
@ -34,18 +35,26 @@ void pm_set(unsigned mode)
/* Everything except battery backup is powered down */
DEBUG_PUTS("pm_set(): setting Deep Power Down mode.");
PCON |= PM_DEEP_POWERDOWN;
/* CPU will reset on wake-up */
break;
case 1:
/* PLL & Flash are powered down */
DEBUG_PUTS("pm_set(): setting Power Down mode.");
/* PCON |= PM_POWERDOWN; */
PCON |= PM_IDLE; /* fixme */
PCON |= PM_POWERDOWN;
cpu_init_pll();
cpu_init_mam();
break;
case 2:
/* PLL is powered down */
DEBUG_PUTS("pm_set(): setting Sleep mode.");
/* PCON |= PM_SLEEP; */
PCON |= PM_IDLE; /* fixme */
PCON |= PM_SLEEP;
cpu_init_pll();
break;
default: /* Falls through */
case 3: