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authorFabio Estevam <fabio.estevam@freescale.com>2011-10-24 05:32:28 +0000
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2011-11-03 22:56:18 +0100
commit1f83d009e4fb086c3ee210f78b2ca601fd2cd0dc (patch)
treee7e172b2a7484047ac636017af48eae09d62304a /board/freescale/mx31pdk
parent8a508e303e5128551cda95fb462a409fb367f6a6 (diff)
mx31pdk: Add MC13783 PMIC support
Add MC13783 PMIC support. Tested by using the 'date' command, which reads the MC13783 RTC registers: MX31PDK U-Boot > date Date: 1970-01-01 (Thursday) Time: 2:22:35 Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Diffstat (limited to 'board/freescale/mx31pdk')
-rw-r--r--board/freescale/mx31pdk/mx31pdk.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/board/freescale/mx31pdk/mx31pdk.c b/board/freescale/mx31pdk/mx31pdk.c
index 0e7e0ce347..9f8bc53e71 100644
--- a/board/freescale/mx31pdk/mx31pdk.c
+++ b/board/freescale/mx31pdk/mx31pdk.c
@@ -30,6 +30,8 @@
#include <asm/arch/imx-regs.h>
#include <asm/arch/sys_proto.h>
#include <watchdog.h>
+#include <pmic.h>
+#include <fsl_pmic.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -79,6 +81,16 @@ int board_init(void)
int board_late_init(void)
{
+ u32 val;
+ struct pmic *p;
+
+ pmic_init();
+ p = get_pmic();
+
+ /* Enable RTC battery */
+ pmic_reg_read(p, REG_POWER_CTL0, &val);
+ pmic_reg_write(p, REG_POWER_CTL0, val | COINCHEN);
+ pmic_reg_write(p, REG_INT_STATUS1, RTCRSTI);
#ifdef CONFIG_HW_WATCHDOG
mxc_hw_watchdog_enable();
#endif