From: Ye Li ye.li@nxp.com
Update LPDDR3 script with the changes below: -Update the precharge command to CMD=01 at the DDR initialization phase -remove unimplemented registers Write data bit delay --refer to the DDR_TRIM bits in IOMUXC1_DDR_SW_PAD_CTL_PAD_DDRn
Test: One EVK board passes overnight stress test.
Signed-off-by: Ye Li ye.li@nxp.com Signed-off-by: Peng Fan peng.fan@nxp.com --- board/freescale/mx7ulp_evk/imximage.cfg | 9 ++------- board/freescale/mx7ulp_evk/plugin.S | 13 ++----------- 2 files changed, 4 insertions(+), 18 deletions(-)
diff --git a/board/freescale/mx7ulp_evk/imximage.cfg b/board/freescale/mx7ulp_evk/imximage.cfg index 78df69f40e..e7d87beb5f 100644 --- a/board/freescale/mx7ulp_evk/imximage.cfg +++ b/board/freescale/mx7ulp_evk/imximage.cfg @@ -88,11 +88,6 @@ DATA 4 0x40AB0820 0x33333333 DATA 4 0x40AB0824 0x33333333 DATA 4 0x40AB0828 0x33333333
-DATA 4 0x40AB082C 0xf3333333 -DATA 4 0x40AB0830 0xf3333333 -DATA 4 0x40AB0834 0xf3333333 -DATA 4 0x40AB0838 0xf3333333 - DATA 4 0x40AB08C0 0x24922492 DATA 4 0x40AB08B8 0x00000800
@@ -107,8 +102,8 @@ DATA 4 0x40AB0030 0x009F0E10 DATA 4 0x40AB0040 0x0000003F DATA 4 0x40AB0000 0xC3190000
-DATA 4 0x40AB001C 0x00008050 -DATA 4 0x40AB001C 0x00008058 +DATA 4 0x40AB001C 0x00008010 +DATA 4 0x40AB001C 0x00008018 DATA 4 0x40AB001C 0x003F8030 DATA 4 0x40AB001C 0x003F8038 DATA 4 0x40AB001C 0xFF0A8030 diff --git a/board/freescale/mx7ulp_evk/plugin.S b/board/freescale/mx7ulp_evk/plugin.S index 802ae5f49a..73636c679f 100644 --- a/board/freescale/mx7ulp_evk/plugin.S +++ b/board/freescale/mx7ulp_evk/plugin.S @@ -115,15 +115,6 @@ wait2: ldr r1, =0x33333333 str r1, [r0, #0x828]
- ldr r1, =0xf3333333 - str r1, [r0, #0x82c] - ldr r1, =0xf3333333 - str r1, [r0, #0x830] - ldr r1, =0xf3333333 - str r1, [r0, #0x834] - ldr r1, =0xf3333333 - str r1, [r0, #0x838] - ldr r1, =0x24922492 str r1, [r0, #0x8c0] ldr r1, =0x00000800 @@ -151,9 +142,9 @@ wait2: ldr r1, =0xC3190000 str r1, [r0, #0x0]
- ldr r1, =0x00008050 + ldr r1, =0x00008010 str r1, [r0, #0x1c] - ldr r1, =0x00008058 + ldr r1, =0x00008018 str r1, [r0, #0x1c] ldr r1, =0x003F8030 str r1, [r0, #0x1c]