karo: tx53: lowlevel_init: remove write calibration

write calibration is not necessary due to the PCB layout and doesn't
work with the NT5CB128M16FP-DII chips that only use primary DQ lines
for signalling

diff --git a/board/karo/tx53/lowlevel_init.S b/board/karo/tx53/lowlevel_init.S
index 25d3ddd99ce74efac6b1ab7e6a68d1db341cd19b..22acc62eb42113c8f9547c1f9459630d4ca0e9a0 100644 (file)
--- a/board/karo/tx53/lowlevel_init.S
+++ b/board/karo/tx53/lowlevel_init.S
@@ -516,16 +516,6 @@ dcd_hdr:
        MXC_DCD_CMD_CHK(MXC_DCD_CMD_SZ_WORD, MXC_DCD_CMD_FLAG_CHK_CLR, 0x63fd9040, 0x00010000)
        MXC_DCD_CMD_WRT(MXC_DCD_CMD_SZ_WORD, MXC_DCD_CMD_FLAG_WRITE)
 
-       /* Write Leveling */
-       MXC_DCD_ITEM(0x63fd901c, ESDSCR_MRS_VAL(0, 3, (1 << 2))) /* MRS: select MPR */
-       MXC_DCD_ITEM(0x63fd901c, ESDSCR_MRS_VAL(0, 1, mr1_val | (1 << 7)) | (1 << 9)) /* MRS: start write leveling */
-       MXC_DCD_ITEM(0x63fd901c, 0x00000000)
-       MXC_DCD_ITEM(0x63fd9048, 0x00000001)
-       MXC_DCD_CMD_CHK(MXC_DCD_CMD_SZ_WORD, 0, 0x63fd9048, 0x00000001)
-       MXC_DCD_CMD_WRT(MXC_DCD_CMD_SZ_WORD, MXC_DCD_CMD_FLAG_WRITE)
-       MXC_DCD_ITEM(0x63fd901c, ESDSCR_MRS_VAL(0, 1, mr1_val)) /* MRS: end write leveling */
-       MXC_DCD_ITEM(0x63fd901c, ESDSCR_MRS_VAL(0, 3, 0)) /* MRS: select normal data path */
-
        /* DQS calibration */
        MXC_DCD_ITEM(0x63fd901c, 0x04008010) /* precharge all */
        MXC_DCD_ITEM(0x63fd901c, ESDSCR_MRS_VAL(0, 3, (1 << 2))) /* MRS: select MPR */