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| author | Peng Fan <Peng.Fan@freescale.com> | 2015-07-13 11:33:26 +0800 |
|---|---|---|
| committer | Peng Fan <Peng.Fan@freescale.com> | 2015-07-13 11:33:26 +0800 |
| commit | 93e01750558e1ba2a1dfdb0cca24ed38326db091 (patch) | |
| tree | e7ddfaca5ec732296ec5ccfe9db4176dad184b7d | |
| parent | 1f0cbe2b52b1ed7832a2f9c48950522f7b0fb6e8 (diff) | |
| download | u-boot-imx-93e01750558e1ba2a1dfdb0cca24ed38326db091.zip u-boot-imx-93e01750558e1ba2a1dfdb0cca24ed38326db091.tar.gz u-boot-imx-93e01750558e1ba2a1dfdb0cca24ed38326db091.tar.bz2 | |
MLK-11237 imx: mx6qpsabreauto update ddr script to 1.07
Update ddr script to version 1.07:
1. Change MDCCR from default value to 0x24912492,
it will improve DDR duty cycle
2. The MMDC reorder bypass option, which has better DRAM performance
URL:
http://compass.freescale.net/livelink/livelink?func=ll&objId=234335046&objAction=browse&viewType=1
Test Results:
3 boards passed 48 hours memtester stress test.
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
| -rw-r--r-- | board/freescale/mx6qsabreauto/mx6qp.cfg | 4 | ||||
| -rw-r--r-- | board/freescale/mx6qsabreauto/plugin.S | 6 |
2 files changed, 8 insertions, 2 deletions
diff --git a/board/freescale/mx6qsabreauto/mx6qp.cfg b/board/freescale/mx6qsabreauto/mx6qp.cfg index 0fef4b8..8c65a70 100644 --- a/board/freescale/mx6qsabreauto/mx6qp.cfg +++ b/board/freescale/mx6qsabreauto/mx6qp.cfg @@ -109,6 +109,8 @@ DATA 4 0x021b481c 0x33333333 DATA 4 0x021b4820 0x33333333 DATA 4 0x021b4824 0x33333333 DATA 4 0x021b4828 0x33333333 +DATA 4 0x021b08c0 0x24912492 +DATA 4 0x021b48c0 0x24912492 DATA 4 0x021b08b8 0x00000800 DATA 4 0x021b48b8 0x00000800 DATA 4 0x021b0004 0x00020036 @@ -122,7 +124,7 @@ DATA 4 0x021b001c 0x00008000 DATA 4 0x021b002c 0x000026d2 DATA 4 0x021b0030 0x008E1023 DATA 4 0x021b0040 0x00000047 -DATA 4 0x021b0400 0x12420000 +DATA 4 0x021b0400 0x14420000 DATA 4 0x021b0000 0x841A0000 DATA 4 0x00bb0008 0x00000004 DATA 4 0x00bb000c 0x2891E41A diff --git a/board/freescale/mx6qsabreauto/plugin.S b/board/freescale/mx6qsabreauto/plugin.S index c0d09b8..ee13dfc 100644 --- a/board/freescale/mx6qsabreauto/plugin.S +++ b/board/freescale/mx6qsabreauto/plugin.S @@ -108,6 +108,10 @@ str r2, [r1, #0x824] str r2, [r1, #0x828] + ldr r2, =0x24912492 + str r2, [r0, #0x8c0] + str r2, [r1, #0x8c0] + ldr r2, =0x00000800 str r2, [r0, #0x8b8] str r2, [r1, #0x8b8] @@ -136,7 +140,7 @@ ldr r2, =0x00000047 str r2, [r0, #0x040] - ldr r2, =0x12420000 + ldr r2, =0x14420000 str r2, [r0, #0x400] ldr r2, =0x841A0000 str r2, [r0, #0x000] |