diff options
Diffstat (limited to 'board/innokom/memsetup.S')
| -rw-r--r-- | board/innokom/memsetup.S | 27 |
1 files changed, 12 insertions, 15 deletions
diff --git a/board/innokom/memsetup.S b/board/innokom/memsetup.S index a2bc99d..60f9d50 100644 --- a/board/innokom/memsetup.S +++ b/board/innokom/memsetup.S @@ -237,17 +237,16 @@ mem_init: /* ---------------------------------------------------------------- */ /* Before accessing MDREFR we need a valid DRI field, so we set */ - /* this to power on defaults + DIR field. */ + /* this to power on defaults + DRI field. */ - ldr r4, =0x03ca4fff - str r4, [r1, #MDREFR_OFFSET] /* write back MDREFR */ - ldr r4, [r1, #MDREFR_OFFSET] + ldr r3, =CFG_MDREFR_VAL + ldr r2, =0xFFF + and r3, r3, r2 + ldr r4, =0x03ca4000 + orr r4, r4, r3 - ldr r4, =0x03ca4030 str r4, [r1, #MDREFR_OFFSET] /* write back MDREFR */ - ldr r4, [r1, #MDREFR_OFFSET] - - /* Note: preserve the mdrefr value in r4 */ + ldr r4, [r1, #MDREFR_OFFSET] /* ---------------------------------------------------------------- */ @@ -267,18 +266,16 @@ mem_init: /* Step 4: Initialize SDRAM */ /* ---------------------------------------------------------------- */ - /* Step 4a: assert MDREFR:K1RUN and MDREFR:K2RUN and configure */ + /* Step 4a: assert MDREFR:K?RUN and configure */ /* MDREFR:K1DB2 and MDREFR:K2DB2 as desired. */ - orr r4, r4, #(MDREFR_K1RUN|MDREFR_K0RUN) - - str r4, [r1, #MDREFR_OFFSET] /* write back MDREFR */ - ldr r4, [r1, #MDREFR_OFFSET] - + ldr r4, =CFG_MDREFR_VAL + str r4, [r1, #MDREFR_OFFSET] /* write back MDREFR */ + ldr r4, [r1, #MDREFR_OFFSET] /* Step 4b: de-assert MDREFR:SLFRSH. */ - bic r4, r4, #(MDREFR_SLFRSH) + bic r4, r4, #(MDREFR_SLFRSH) str r4, [r1, #MDREFR_OFFSET] /* write back MDREFR */ ldr r4, [r1, #MDREFR_OFFSET] |