diff options
| author | wdenk <wdenk> | 2003-06-27 21:31:46 +0000 |
|---|---|---|
| committer | wdenk <wdenk> | 2003-06-27 21:31:46 +0000 |
| commit | 8bde7f776c77b343aca29b8c7b58464d915ac245 (patch) | |
| tree | 20f1fd99975215e7c658454a15cdb4ed4694e2d4 /board/sc520_cdp/sc520_cdp_asm16.S | |
| parent | 993cad9364c6b87ae429d1ed1130d8153f6f027e (diff) | |
| download | u-boot-imx-8bde7f776c77b343aca29b8c7b58464d915ac245.zip u-boot-imx-8bde7f776c77b343aca29b8c7b58464d915ac245.tar.gz u-boot-imx-8bde7f776c77b343aca29b8c7b58464d915ac245.tar.bz2 | |
* Code cleanup:
- remove trailing white space, trailing empty lines, C++ comments, etc.
- split cmd_boot.c (separate cmd_bdinfo.c and cmd_load.c)
* Patches by Kenneth Johansson, 25 Jun 2003:
- major rework of command structure
(work done mostly by Michal Cendrowski and Joakim Kristiansen)
Diffstat (limited to 'board/sc520_cdp/sc520_cdp_asm16.S')
| -rw-r--r-- | board/sc520_cdp/sc520_cdp_asm16.S | 47 |
1 files changed, 23 insertions, 24 deletions
diff --git a/board/sc520_cdp/sc520_cdp_asm16.S b/board/sc520_cdp/sc520_cdp_asm16.S index 0e0b0c0..a3e700a 100644 --- a/board/sc520_cdp/sc520_cdp_asm16.S +++ b/board/sc520_cdp/sc520_cdp_asm16.S @@ -34,32 +34,32 @@ board_init16: /* Alias MMCR to 0xdf000 */ movw $0xfffc, %dx - movl $0x800df0cb, %eax - outl %eax, %dx - + movl $0x800df0cb, %eax + outl %eax, %dx + /* Set ds to point to MMCR alias */ - movw $0xdf00, %ax - movw %ax, %ds - - /* Map the entire flash at 0x38000000 + movw $0xdf00, %ax + movw %ax, %ds + + /* Map the entire flash at 0x38000000 * (with BOOTCS and PAR14, use 0xabfff800 for ROMCS1) */ movl $0xc0, %edi - movl $0x8bfff800, %eax - movl %eax, (%di) + movl $0x8bfff800, %eax + movl %eax, (%di) /* Disable SDRAM write buffer */ movw $0x40,%di - xorw %ax,%ax - movb %al, (%di) + xorw %ax,%ax + movb %al, (%di) /* Disabe MMCR alias */ movw $0xfffc, %dx - movl $0x000000cb, %eax - outl %eax, %dx - + movl $0x000000cb, %eax + outl %eax, %dx + /* the return address is tored in bp */ jmp *%bp - + .section .bios, "ax" .code16 @@ -67,18 +67,17 @@ board_init16: realmode_reset: /* Alias MMCR to 0xdf000 */ movw $0xfffc, %dx - movl $0x800df0cb, %eax - outl %eax, %dx - + movl $0x800df0cb, %eax + outl %eax, %dx + /* Set ds to point to MMCR alias */ - movw $0xdf00, %ax - movw %ax, %ds - + movw $0xdf00, %ax + movw %ax, %ds + /* issue software reset thorugh MMCR */ movl $0xd72, %edi - movb $0x01, %al - movb %al, (%di) + movb $0x01, %al + movb %al, (%di) 1: hlt jmp 1 - |