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Update LPDDR3 voltage patch for new ATF branch

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This commit is contained in:
zador-blood-stained 2017-02-21 20:12:33 +03:00
parent 82bf79b703
commit ed9c2bde47
1 changed files with 15 additions and 7 deletions
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22
patch/u-boot/u-boot-sun50i-dev/board_pine64so/atf-set-lpddr3-dram-voltage.patch
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@ -1,13 +1,21 @@
diff --git a/arm-trusted-firmware/plat/sun50iw1p1/sunxi_power.c b/arm-trusted-firmware/plat/sun50iw1p1/sunxi_power.c
index 11badcd..f44a866 100644
index 0c2487e..30708f4 100644
--- a/arm-trusted-firmware/plat/sun50iw1p1/sunxi_power.c
+++ b/arm-trusted-firmware/plat/sun50iw1p1/sunxi_power.c
@@ -251,7 +251,7 @@ static int pmic_setup(void)
}
}
- sunxi_pmic_write(0x24, 0xb3); /* DCDC5 = DDR RAM voltage = 1.5V */
@@ -258,12 +258,10 @@ static int pmic_setup(void)
* changes. This should be further confined once we are able to
* reliably detect a Pine64 board.
*/
- ret = sunxi_pmic_read(0x24); /* read DCDC5 register */
- if ((ret & 0x7f) == 0x26) { /* check for 1.24V value */
- NOTICE("PMIC: fixing DRAM voltage from 1.24V to 1.36V\n");
- sunxi_pmic_write(0x24, 0x2c);
- }
-
+
+ NOTICE("PMIC: setting DRAM voltage to 1.24V\n");
+ sunxi_pmic_write(0x24, 0x25); /* DCDC5 = LPDDR RAM voltage = 1.24V */
+
sunxi_pmic_write(0x15, 0x1a); /* DLDO1 = VCC3V3_HDMI voltage = 3.3V */
return 0;
}