Merge branch 'master' of git://git.denx.de/u-boot-mips

This commit is contained in:
Wolfgang Denk 2008-12-13 00:34:12 +01:00
commit 3680aed04f
2 changed files with 45 additions and 12 deletions

View File

@ -243,9 +243,11 @@ reset:
mtc0 zero, CP0_COUNT
mtc0 zero, CP0_COMPARE
#if !defined(CONFIG_SKIP_LOWLEVEL_INIT)
/* CONFIG0 register */
li t0, CONF_CM_UNCACHED
mtc0 t0, CP0_CONFIG
#endif /* !CONFIG_SKIP_LOWLEVEL_INIT */
/* Initialize $gp.
*/
@ -255,6 +257,7 @@ reset:
1:
lw gp, 0(ra)
#if !defined(CONFIG_SKIP_LOWLEVEL_INIT)
/* Initialize any external memory.
*/
la t9, lowlevel_init
@ -271,6 +274,7 @@ reset:
*/
li t0, CONF_CM_CACHABLE_NONCOHERENT
mtc0 t0, CP0_CONFIG
#endif /* !CONFIG_SKIP_LOWLEVEL_INIT */
/* Set up temporary stack.
*/
@ -307,6 +311,7 @@ relocate_code:
la t3, in_ram
lw t2, -12(t3) /* t2 <-- uboot_end_data */
move t1, a2
move s2, a2 /* s2 <-- destination address */
/*
* Fix $gp:
@ -316,13 +321,21 @@ relocate_code:
move t6, gp
sub gp, CONFIG_SYS_MONITOR_BASE
add gp, a2 /* gp now adjusted */
sub t6, gp, t6 /* t6 <-- relocation offset */
sub s1, gp, t6 /* s1 <-- relocation offset */
/*
* t0 = source address
* t1 = target address
* t2 = source end address
*/
/*
* Save destination address and size for later usage in flush_cache()
*/
move s0, a1 /* save gd in s0 */
move a0, t1 /* a0 <-- destination addr */
sub a1, t2, t0 /* a1 <-- size */
/* On the purple board we copy the code earlier in a special way
* in order to solve flash problems
*/
@ -338,9 +351,14 @@ relocate_code:
/* If caches were enabled, we would have to flush them here.
*/
/* a0 & a1 are already set up for flush_cache(start, size) */
la t9, flush_cache
jalr t9
nop
/* Jump to where we've relocated ourselves.
*/
addi t0, a2, in_ram - _start
addi t0, s2, in_ram - _start
jr t0
nop
@ -367,7 +385,7 @@ in_ram:
1:
lw t1, 0(t4)
beqz t1, 2f
add t1, t6
add t1, s1
sw t1, 0(t4)
2:
addi t2, 1
@ -378,8 +396,8 @@ in_ram:
*/
lw t1, -12(t0) /* t1 <-- uboot_end_data */
lw t2, -8(t0) /* t2 <-- uboot_end */
add t1, t6 /* adjust pointers */
add t2, t6
add t1, s1 /* adjust pointers */
add t2, s1
sub t1, 4
1:
@ -387,10 +405,10 @@ in_ram:
bltl t1, t2, 1b
sw zero, 0(t1) /* delay slot */
move a0, a1
move a0, s0 /* a0 <-- gd */
la t9, board_init_r
jr t9
move a1, a2 /* delay slot */
move a1, s2 /* delay slot */
.end relocate_code

View File

@ -30,6 +30,7 @@
#include <net.h>
#include <environment.h>
#include <nand.h>
#include <onenand_uboot.h>
#include <spi.h>
DECLARE_GLOBAL_DATA_PTR;
@ -71,6 +72,15 @@ static ulong mem_malloc_brk;
*/
unsigned long mips_io_port_base = -1;
int __board_early_init_f(void)
{
/*
* Nothing to do in this dummy implementation
*/
return 0;
}
int board_early_init_f(void) __attribute__((weak, alias("__board_early_init_f")));
/*
* The Malloc area is immediately below the monitor copy in DRAM
*/
@ -168,6 +178,7 @@ static int init_baudrate (void)
typedef int (init_fnc_t) (void);
init_fnc_t *init_sequence[] = {
board_early_init_f,
timer_init,
env_init, /* initialize environment */
#ifdef CONFIG_INCA_IP
@ -378,6 +389,15 @@ void board_init_r (gd_t *id, ulong dest_addr)
mem_malloc_init();
malloc_bin_reloc();
#ifdef CONFIG_CMD_NAND
puts ("NAND: ");
nand_init (); /* go init the NAND */
#endif
#if defined(CONFIG_CMD_ONENAND)
onenand_init();
#endif
/* relocate environment function pointers etc. */
env_relocate();
@ -419,11 +439,6 @@ void board_init_r (gd_t *id, ulong dest_addr)
}
#endif
#ifdef CONFIG_CMD_NAND
puts ("NAND: ");
nand_init (); /* go init the NAND */
#endif
#ifdef CONFIG_CMD_SPI
puts ("SPI: ");
spi_init (); /* go init the SPI */