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-rw-r--r--board/amcc/canyonlands/canyonlands.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/board/amcc/canyonlands/canyonlands.c b/board/amcc/canyonlands/canyonlands.c
index e0e0211..e9eba49 100644
--- a/board/amcc/canyonlands/canyonlands.c
+++ b/board/amcc/canyonlands/canyonlands.c
@@ -22,6 +22,7 @@
#include <ppc440.h>
#include <libfdt.h>
#include <fdt_support.h>
+#include <i2c.h>
#include <asm/processor.h>
#include <asm/io.h>
#include <asm/mmu.h>
@@ -393,6 +394,7 @@ int misc_init_r(void)
u32 sdr0_srst1 = 0;
u32 eth_cfg;
u32 pvr = get_pvr();
+ u8 val;
/*
* Set EMAC mode/configuration (GMII, SGMII, RGMII...).
@@ -420,6 +422,15 @@ int misc_init_r(void)
sdr0_srst1 &= ~SDR0_SRST1_AHB;
mtsdr(SDR0_SRST1, sdr0_srst1);
+ /*
+ * RTC/M41T62:
+ * Disable square wave output: Batterie will be drained
+ * quickly, when this output is not disabled
+ */
+ val = i2c_reg_read(CFG_I2C_RTC_ADDR, 0xa);
+ val &= ~0x40;
+ i2c_reg_write(CFG_I2C_RTC_ADDR, 0xa, val);
+
return 0;
}