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authorwdenk <wdenk>2003-04-05 00:53:31 +0000
committerwdenk <wdenk>2003-04-05 00:53:31 +0000
commit3e38691e8f7aa0d9b498d76c7279ddec6e4946f3 (patch)
treebec2e661298847dc5bcf9335ef31259686e882e1 /board/csb226
parent36c05a80ecbe3997abd9aa628a68dd6c0bacf681 (diff)
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* Patch by Arun Dharankar, 4 Apr 2003:
Add IDMA example code (tested on 8260 only) * Add support for Purple Board (MIPS64 5Kc) * Add support for MIPS64 5Kc CPUs * Fix missing setting of "loadaddr" and "bootfile" on ARM and MIPS * Patch by Denis Peter, 04 Apr 2003: - update MIP405-4 board * Patches by Denis Peter, 03 April 2003: - fix PCI IRQs on MPL boards - fix two more un-relocated pointer problems * Fix behaviour of "run" command: - print error message iv variable does not exist - terminate processing of arguments in case of error * Patches by Peter Figuli, 10 Mar 2003 - Add support for BTUART on PXA platform - Add support for WEP EP250 (PXA) board * Fix flash problems on INCA-IP; add tool to allow bruning images to flash using a BDI2000 * Implement fix for I2C Edge Conditions problem for all boards that use the bit-banging driver (common/soft_i2c.c) * Add patches by Robert Schwebel, 31 Mar 2003: - csb226 board: bring in sync with innokom/memsetup.S - csb226 board: fix MDREFR handling - misc doc fixes / extensions - innokom board: cleanup, MDREFR fix in memsetup.S, config update - add BOOT_PROGRESS to armlinux.c
Diffstat (limited to 'board/csb226')
-rw-r--r--board/csb226/memsetup.S36
1 files changed, 21 insertions, 15 deletions
diff --git a/board/csb226/memsetup.S b/board/csb226/memsetup.S
index 6567184..60f9d50 100644
--- a/board/csb226/memsetup.S
+++ b/board/csb226/memsetup.S
@@ -38,6 +38,9 @@ DRAM_SIZE: .long CFG_DRAM_SIZE
sub pc,pc,#4
.endm
+_TEXT_BASE:
+ .word TEXT_BASE
+
/*
* Memory setup
@@ -222,23 +225,28 @@ mem_init:
/* Step 2c: Write FLYCNFG FIXME: what's that??? */
/* ---------------------------------------------------------------- */
+ /* test if we run from flash or RAM - RAM/BDI: don't setup RAM */
+ adr r3, mem_init /* r0 <- current position of code */
+ ldr r2, =mem_init
+ cmp r3, r2 /* skip init if in place */
+ beq initirqs
+
/* ---------------------------------------------------------------- */
/* Step 2d: Initialize Timing for Sync Memory (SDCLK0) */
/* ---------------------------------------------------------------- */
/* 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]
/* ---------------------------------------------------------------- */
@@ -258,18 +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]