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-rw-r--r--board/freescale/mx53_pcba/mx53_pcba.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/board/freescale/mx53_pcba/mx53_pcba.c b/board/freescale/mx53_pcba/mx53_pcba.c
index df3f2fc..2261321 100644
--- a/board/freescale/mx53_pcba/mx53_pcba.c
+++ b/board/freescale/mx53_pcba/mx53_pcba.c
@@ -503,6 +503,17 @@ int setup_pmic_voltages_spi(void)
spi_pmic_free(slave);
+ /* extra charging circuit enabled */
+ /* set GPIO2_27 to high */
+ mxc_request_iomux(MX53_PIN_EIM_LBA, IOMUX_CONFIG_ALT1);
+
+ val = readl(GPIO2_BASE_ADDR + 0x4);
+ val |= 0x8000000;
+ writel(val, GPIO2_BASE_ADDR + 0x4);
+ val = readl(GPIO2_BASE_ADDR + 0x0);
+ val |= 0x8000000;
+ writel(val, GPIO2_BASE_ADDR + 0x0);
+
} else {
printf("spi_pmic_probe failed!\n");
return -1;