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Make R5200 specific low level initialization board conditional.

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This commit is contained in:
Marian Balakowicz 2006-05-09 11:51:51 +02:00
parent b75ef85f42
commit 6f5155a95c
3 changed files with 18 additions and 9 deletions
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2
CHANGELOG
View File

@ -2,6 +2,8 @@
Changes since U-Boot 1.1.4:
======================================================================
* Make R5200 specific low level initialization board conditional.
* Update CPU target identification strings for Coldfire family.
* Update register definitions for MCF5271.

24
cpu/mcf52x2/start.S
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@ -55,7 +55,7 @@
*/
_vectors:
#ifndef CONFIG_M5271
#ifndef CONFIG_R5200
.long 0x00000000, _START
#else
.long 0x00000000, 0x400 /* Flash offset is 0 until we setup CS0 */
@ -142,7 +142,9 @@ _start:
/* Initialize RAMBAR1: locate SRAM and validate it */
move.l #(CFG_INIT_RAM_ADDR + 0x21), %d0
movec %d0, %RAMBAR1
#ifdef CONFIG_M5271
#endif
#ifdef CONFIG_R5200
move.l #(_flash_setup-CFG_FLASH_BASE), %a0
move.l #(_flash_setup_end-CFG_FLASH_BASE), %a1
move.l #(CFG_INIT_RAM_ADDR), %a2
@ -150,8 +152,6 @@ _copy_flash:
move.l (%a0)+, (%a2)+
cmp.l %a0, %a1
bgt.s _copy_flash
#endif
jmp CFG_INIT_RAM_ADDR
_after_flash_copy:
#endif
@ -174,18 +174,24 @@ _after_flash_copy:
bsr cpu_init_f /* run low-level CPU init code (from flash) */
bsr board_init_f /* run low-level board init code (from flash) */
/* board_init_f() does not return
/* board_init_f() does not return */
/*------------------------------------------------------------------------------*/
#ifdef CONFIG_M5271
#ifdef CONFIG_R5200
_flash_setup:
move.l #0x1000, %d0
/* CSAR0 */
move.l #((CFG_FLASH_BASE & 0xffff0000) >> 16), %d0
move.w %d0, 0x40000080
move.l #0x2180, %d0
/* CSCR0 */
move.l #0x2180, %d0 /* 8 wait states, 16bit port, auto ack, */
move.w %d0, 0x4000008A
move.l #0x3f0001, %d0
/* CSMR0 */
move.l #0x001f0001, %d0 /* 2 MB, valid */
move.l %d0, 0x40000084
jmp _after_flash_copy.L
_flash_setup_end:
#endif

1
include/configs/r5200.h
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@ -37,6 +37,7 @@
*/
#define CONFIG_MCF52x2 /* define processor family */
#define CONFIG_M5271 /* define processor type */
#define CONFIG_R5200 /* define board type */
#define FEC_ENET
#define CONFIG_NET_RETRY_COUNT 5