[coreboot-gerrit] New patch to review for coreboot: imgtec/pistachio: DDR2, DDR3: DLL reset set
Ionela Voinescu (ionela.voinescu@imgtec.com)
gerrit at coreboot.org
Thu Dec 17 21:08:11 CET 2015
Ionela Voinescu (ionela.voinescu at imgtec.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/12764
-gerrit
commit bfc9c63b79647814ae92982b1224e322705ae6c9
Author: Ionela Voinescu <ionela.voinescu at imgtec.com>
Date: Tue May 26 12:20:19 2015 +0100
imgtec/pistachio: DDR2, DDR3: DLL reset set
Bit 8 of the MR register is automatically set by the PHY
during memory initilization but having it set in the
register leads to a more clear understanding.
Tested on Pistachio bring up board; DDR2 and DDR3 are
initialized properly.
Change-Id: Ie6953e2a96ba2961521b372d280f362ee1c52b94
Signed-off-by: Ionela Voinescu <ionela.voinescu at imgtec.com>
---
src/soc/imgtec/pistachio/ddr2_init.c | 2 +-
src/soc/imgtec/pistachio/ddr3_init.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/soc/imgtec/pistachio/ddr2_init.c b/src/soc/imgtec/pistachio/ddr2_init.c
index 322d241..9549537 100644
--- a/src/soc/imgtec/pistachio/ddr2_init.c
+++ b/src/soc/imgtec/pistachio/ddr2_init.c
@@ -112,7 +112,7 @@ int init_ddr2(void)
* 15:13 RSVD RSVD
* 31:16 Reserved
*/
- write32(DDR_PHY + DDRPHY_MR_OFFSET, 0x00000A62 | (BL8 ? 0x1 : 0x0));
+ write32(DDR_PHY + DDRPHY_MR_OFFSET, 0x00000B62 | (BL8 ? 0x1 : 0x0));
/* MR1 : EMR Register
* Generate to use with PHY and PCTL
* 0 DE DLL Enable 0 Disable 1
diff --git a/src/soc/imgtec/pistachio/ddr3_init.c b/src/soc/imgtec/pistachio/ddr3_init.c
index e77a5cd..5cb36a0 100644
--- a/src/soc/imgtec/pistachio/ddr3_init.c
+++ b/src/soc/imgtec/pistachio/ddr3_init.c
@@ -119,7 +119,7 @@ int init_ddr3(void)
* 15:13 RSVD RSVD
* 31:16 Reserved
*/
- write32(DDR_PHY + DDRPHY_MR_OFFSET, 0x00001420);
+ write32(DDR_PHY + DDRPHY_MR_OFFSET, 0x00001520);
/* MR1 : DDR3 mode register 1
* Generate to use with PHY and PCTL
* 0 DE DLL Enable 0 Disable 1
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