diff options
| author | Ye Li <ye.li@nxp.com> | 2017-02-14 13:39:10 +0800 |
|---|---|---|
| committer | Ye Li <ye.li@nxp.com> | 2017-04-05 17:24:33 +0800 |
| commit | f5dc17e6579f677eebe1df59570737f4d51430dd (patch) | |
| tree | 12682e6d4585791353f5863adaa5ac552c6b7a42 | |
| parent | 4eb0fbdacfe0678e41d1ebf35c7863736e83637e (diff) | |
| download | u-boot-imx-f5dc17e6579f677eebe1df59570737f4d51430dd.zip u-boot-imx-f5dc17e6579f677eebe1df59570737f4d51430dd.tar.gz u-boot-imx-f5dc17e6579f677eebe1df59570737f4d51430dd.tar.bz2 | |
MLK-13925-1 mx7ulp_evk: Update LPDDR3 script to V1.4
Update LPDDR3 script from v1.2 to v1.4 EVK_IMX7ULP1_LPDDR3_320MHz_1GB_32bit_V1.4.inc
with the changes below:
Version 1.3
-Update the precharge command to CMD=01 at the DDR initialization phase
Version 1.4
-remove unimplemented registers
Write data bit delay --refer to the DDR_TRIM bits in IOMUXC1_DDR_SW_PAD_CTL_PAD_DDRn
File:
http://compass.freescale.net/livelink/livelink?func=ll&objid=235761218&objAction=browse&sort=name&viewType=1
Test:
One EVK board passes overnight stress test.
Signed-off-by: Ye Li <ye.li@nxp.com>
(cherry picked from commit e3343cb38eac2cc69b58247b5adcb500e5f19834)
| -rw-r--r-- | board/freescale/mx7ulp_evk/imximage.cfg | 9 | ||||
| -rw-r--r-- | 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 64fe5e3..36df804 100644 --- a/board/freescale/mx7ulp_evk/imximage.cfg +++ b/board/freescale/mx7ulp_evk/imximage.cfg @@ -89,11 +89,6 @@ 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 @@ -108,8 +103,8 @@ 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 5d13362..2a5b551 100644 --- a/board/freescale/mx7ulp_evk/plugin.S +++ b/board/freescale/mx7ulp_evk/plugin.S @@ -116,15 +116,6 @@ 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 @@ -152,9 +143,9 @@ 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] |