SDRAM now working for delta board, but there are still aliasing problems,
we only see 64MB.
diff --git a/Makefile b/Makefile
index 736ffb6a..229f576 100644
--- a/Makefile
+++ b/Makefile
@@ -1838,6 +1838,7 @@
rm -f board/cray/L1/bootscript.c board/cray/L1/bootscript.image
rm -f board/trab/trab_fkt board/voiceblue/eeprom
rm -f board/integratorap/u-boot.lds board/integratorcp/u-boot.lds
+ rm -f u-boot.objdump-*
clobber: clean
find . -type f \( -name .depend \
diff --git a/board/delta/config.mk b/board/delta/config.mk
index 09b0f71..4b0fa67 100644
--- a/board/delta/config.mk
+++ b/board/delta/config.mk
@@ -1,4 +1,5 @@
#TEXT_BASE = 0x0
#TEXT_BASE = 0xa1700000
#TEXT_BASE = 0xa3080000
-TEXT_BASE = 0xa3008000
+#TEXT_BASE = 0xa3008000
+TEXT_BASE = 0x9ffe0000
diff --git a/board/delta/lowlevel_init.S b/board/delta/lowlevel_init.S
index 35716f2..66e7575 100644
--- a/board/delta/lowlevel_init.S
+++ b/board/delta/lowlevel_init.S
@@ -49,20 +49,6 @@
bls 0b
.endm
-
-#define SDRAM_CMD_NOP 0x40000000
-
-.macro do_nop_cmd num
- ldr r2, =MDMRS
- ldr r3, =SDRAM_CMD_NOP
- ldr r4, =0x0
-loop:
- str r3, [r2]
- add r4, r4, #1
- cmp r4, \num
- bls loop
-.endm
-
/*
* Memory setup
*/
@@ -96,7 +82,7 @@
/* clocks to settle. Only necessary after hard reset... */
/* FIXME: can be optimized later */
/* ---------------------------------------------------------------- */
- wait #300
+; wait #300
mem_init:
@@ -138,7 +124,7 @@
/* Set MDMRS */
ldr r0, =MDMRS
- ldr r1, =0x60000023
+ ldr r1, =0x60000033
str r1, [r0]
wait #300
@@ -269,13 +255,11 @@
#endif /* NEW_SDRAM_INIT */
+#ifndef CFG_SKIP_DRAM_SCRUB
/* scrub/init SDRAM if enabled/present */
-/* ldr r11, =0xa0000000 /\* base address of SDRAM (CFG_DRAM_BASE) *\/ */
-/* ldr r12, =0x04000000 /\* size of memory to scrub (CFG_DRAM_SIZE) *\/ */
-/* mov r8,r12 /\* save DRAM size (mk: why???) *\/ */
- ldr r8, =0xa0000000 /* base address of SDRAM (CFG_DRAM_BASE) */
- ldr r9, =0x04000000 /* size of memory to scrub (CFG_DRAM_SIZE) */
- mov r0, #0 /* scrub with 0x0000:0000 */
+ ldr r8, =CFG_DRAM_BASE /* base address of SDRAM (CFG_DRAM_BASE) */
+ ldr r9, =CFG_DRAM_SIZE /* size of memory to scrub (CFG_DRAM_SIZE) */
+ mov r0, #0 /* scrub with 0x0000:0000 */
mov r1, #0
mov r2, #0
mov r3, #0
@@ -284,10 +268,11 @@
mov r6, #0
mov r7, #0
10: /* fastScrubLoop */
- subs r9, r9, #32 // 32 bytes/line
+ subs r9, r9, #32 /* 8 words/line */
stmia r8!, {r0-r7}
beq 15f
b 10b
+#endif /* CFG_SKIP_DRAM_SCRUB */
15:
/* Mask all interrupts */
diff --git a/include/configs/delta.h b/include/configs/delta.h
index 7b923c2..786ed9a 100644
--- a/include/configs/delta.h
+++ b/include/configs/delta.h
@@ -143,14 +143,14 @@
* Physical Memory Map
*/
#define CONFIG_NR_DRAM_BANKS 4 /* we have 2 banks of DRAM */
-#define PHYS_SDRAM_1 0xa0000000 /* SDRAM Bank #1 */
-#define PHYS_SDRAM_1_SIZE 0x04000000 /* 64 MB */
-#define PHYS_SDRAM_2 0xa4000000 /* SDRAM Bank #2 */
-#define PHYS_SDRAM_2_SIZE 0x00000000 /* 0 MB */
-#define PHYS_SDRAM_3 0xa8000000 /* SDRAM Bank #3 */
-#define PHYS_SDRAM_3_SIZE 0x00000000 /* 0 MB */
-#define PHYS_SDRAM_4 0xac000000 /* SDRAM Bank #4 */
-#define PHYS_SDRAM_4_SIZE 0x00000000 /* 0 MB */
+#define PHYS_SDRAM_1 0x80000000 /* SDRAM Bank #1 */
+#define PHYS_SDRAM_1_SIZE 0x8000000 /* 128 MB */
+#define PHYS_SDRAM_2 0x88000000 /* SDRAM Bank #2 */
+#define PHYS_SDRAM_2_SIZE 0x8000000 /* 128 MB */
+#define PHYS_SDRAM_3 0x90000000 /* SDRAM Bank #3 */
+#define PHYS_SDRAM_3_SIZE 0x8000000 /* 128 MB */
+#define PHYS_SDRAM_4 0x98000000 /* SDRAM Bank #4 */
+#define PHYS_SDRAM_4_SIZE 0x8000000 /* 128 MB */
#define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */
#define PHYS_FLASH_2 0x04000000 /* Flash Bank #2 */
@@ -158,8 +158,10 @@
#define PHYS_FLASH_BANK_SIZE 0x02000000 /* 32 MB Banks */
#define PHYS_FLASH_SECT_SIZE 0x00040000 /* 256 KB sectors (x2) */
-#define CFG_DRAM_BASE 0xa0000000
-#define CFG_DRAM_SIZE 0x04000000
+#define CFG_DRAM_BASE 0x80000000 /* at CS0 */
+#define CFG_DRAM_SIZE 0x20000000 /* 512 MB Ram */
+
+#define CFG_SKIP_DRAM_SCRUB 1
#define CFG_FLASH_BASE PHYS_FLASH_1
diff --git a/include/configs/zylonite.h b/include/configs/zylonite.h
index a8ff9fd..4232d50 100644
--- a/include/configs/zylonite.h
+++ b/include/configs/zylonite.h
@@ -120,8 +120,8 @@
#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
#define CFG_DEVICE_NULLDEV 1
-#define CFG_MEMTEST_START 0xa0400000 /* memtest works on */
-#define CFG_MEMTEST_END 0xa0800000 /* 4 ... 8 MB in DRAM */
+#define CFG_MEMTEST_START 0x9c000000 /* memtest works on */
+#define CFG_MEMTEST_END 0x9c400000 /* 4 ... 8 MB in DRAM */
#undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */