board: ti: am43: Fix DCDC3 voltage for epos-evm
A common voltage of 1.35V was being programmed for all am43 board
versions. EPOS-EVM Needs 1.20V for LPDDR2.
Fixes: fc69d472621b5 (“board: ti: AM43XX: Add ddr voltage rail configuration”)
Reported-by: James Doublesin <doublesin@ti.com>
Signed-off-by: Keerthy <j-keerthy@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/board/ti/am43xx/board.c b/board/ti/am43xx/board.c
index 0431cd4..44f9774 100644
--- a/board/ti/am43xx/board.c
+++ b/board/ti/am43xx/board.c
@@ -385,7 +385,7 @@
void scale_vcores_generic(u32 m)
{
- int mpu_vdd;
+ int mpu_vdd, ddr_volt;
if (i2c_probe(TPS65218_CHIP_PM))
return;
@@ -424,9 +424,13 @@
return;
}
+ if (board_is_eposevm())
+ ddr_volt = TPS65218_DCDC3_VOLT_SEL_1200MV;
+ else
+ ddr_volt = TPS65218_DCDC3_VOLT_SEL_1350MV;
+
/* Set DCDC3 (DDR) voltage */
- if (tps65218_voltage_update(TPS65218_DCDC3,
- TPS65218_DCDC3_VOLT_SEL_1350MV)) {
+ if (tps65218_voltage_update(TPS65218_DCDC3, ddr_volt)) {
printf("%s failure\n", __func__);
return;
}