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powerpc: Remove warm reset entry point

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No boards utilize the warm reset entry point, so remove it.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
This commit is contained in:
Peter Tyser 2010-09-14 19:13:53 -05:00 committed by Wolfgang Denk
parent 3792d7436e
commit 52ebd9c1e5
12 changed files with 25 additions and 137 deletions
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16
arch/powerpc/cpu/74xx_7xx/start.S
View File

@ -94,17 +94,7 @@ version_string:
. = EXC_OFF_SYS_RESET
.globl _start
_start:
li r21, BOOTFLAG_COLD /* Normal Power-On: Boot from FLASH */
b boot_cold
sync
. = EXC_OFF_SYS_RESET + 0x10
.globl _start_warm
_start_warm:
li r21, BOOTFLAG_WARM /* Software reboot */
b boot_warm
sync
/* the boot code is located below the exception table */
@ -188,7 +178,6 @@ _end_of_vectors:
. = 0x2000
boot_cold:
boot_warm:
/* disable everything */
li r0, 0
mtspr HID0, r0
@ -288,14 +277,11 @@ in_flash:
bl cpu_init_f
sync
mr r3, r21
/* r3: BOOTFLAG */
/* run 1st part of board init code (from Flash) */
bl board_init_f
sync
/* NOTREACHED */
/* NOTREACHED - board_init_f() does not return */
.globl invalidate_bats
invalidate_bats:

3
arch/powerpc/cpu/mpc512x/start.S
View File

@ -100,7 +100,6 @@ version_string:
.globl _start
/* Start from here after reset/power on */
_start:
li r21, BOOTFLAG_COLD /* Normal Power-On: Boot from FLASH */
b boot_cold
.globl _start_of_vectors
@ -260,8 +259,6 @@ in_flash:
/* run low-level CPU init code (in Flash) */
bl cpu_init_f
/* r3: BOOTFLAG */
mr r3, r21
/* run 1st part of board init code (in Flash) */
bl board_init_f

16
arch/powerpc/cpu/mpc5xx/start.S
View File

@ -91,18 +91,6 @@ _start:
li r4, CONFIG_SYS_ISB /* Set ISB bit */
or r3, r3, r4
mtspr 638, r3
li r21, BOOTFLAG_COLD /* Normal Power-On: Boot from FLASH */
b boot_cold
. = EXC_OFF_SYS_RESET + 0x20
.globl _start_warm
_start_warm:
li r21, BOOTFLAG_WARM /* Software reboot */
b boot_warm
boot_cold:
boot_warm:
/* Initialize machine status; enable machine check interrupt */
/*----------------------------------------------------------------------*/
@ -188,10 +176,10 @@ in_flash:
/* r3: IMMR */
bl cpu_init_f /* run low-level CPU init code (from Flash) */
mr r3, r21
/* r3: BOOTFLAG */
bl board_init_f /* run 1st part of board init code (from Flash) */
/* NOTREACHED - board_init_f() does not return */
.globl _start_of_vectors
_start_of_vectors:

17
arch/powerpc/cpu/mpc5xxx/start.S
View File

@ -89,19 +89,6 @@ version_string:
. = EXC_OFF_SYS_RESET
.globl _start
_start:
li r21, BOOTFLAG_COLD /* Normal Power-On */
nop
b boot_cold
. = EXC_OFF_SYS_RESET + 0x10
.globl _start_warm
_start_warm:
li r21, BOOTFLAG_WARM /* Software reboot */
b boot_warm
boot_cold:
boot_warm:
mfmsr r5 /* save msr contents */
/* Move CSBoot and adjust instruction pointer */
@ -175,10 +162,10 @@ lowboot_reentry:
/* r3: IMMR */
bl cpu_init_f /* run low-level CPU init code (in Flash)*/
mr r3, r21
/* r3: BOOTFLAG */
bl board_init_f /* run 1st part of board init code (in Flash)*/
/* NOTREACHED - board_init_f() does not return */
/*
* Vector Table
*/

17
arch/powerpc/cpu/mpc8220/start.S
View File

@ -88,19 +88,6 @@ version_string:
. = EXC_OFF_SYS_RESET
.globl _start
_start:
li r21, BOOTFLAG_COLD /* Normal Power-On */
nop
b boot_cold
. = EXC_OFF_SYS_RESET + 0x10
.globl _start_warm
_start_warm:
li r21, BOOTFLAG_WARM /* Software reboot */
b boot_warm
boot_cold:
boot_warm:
mfmsr r5 /* save msr contents */
/* replace default MBAR base address from 0x80000000
@ -144,10 +131,10 @@ boot_warm:
/* r3: IMMR */
bl cpu_init_f /* run low-level CPU init code (in Flash)*/
mr r3, r21
/* r3: BOOTFLAG */
bl board_init_f /* run 1st part of board init code (in Flash)*/
/* NOTREACHED - board_init_f() does not return */
/*
* Vector Table
*/

17
arch/powerpc/cpu/mpc824x/start.S
View File

@ -97,19 +97,6 @@ version_string:
. = EXC_OFF_SYS_RESET
.globl _start
_start:
li r21, BOOTFLAG_COLD /* Normal Power-On: Boot from FLASH */
b boot_cold
. = EXC_OFF_SYS_RESET + 0x10
.globl _start_warm
_start_warm:
li r21, BOOTFLAG_WARM /* Software reboot */
b boot_warm
boot_cold:
boot_warm:
/* Initialize machine status; enable machine check interrupt */
/*----------------------------------------------------------------------*/
li r3, MSR_KERNEL /* Set FP, ME, RI flags */
@ -198,10 +185,10 @@ in_flash:
/* r3: IMMR */
bl cpu_init_f /* run low-level CPU init code (from Flash) */
mr r3, r21
/* r3: BOOTFLAG */
bl board_init_f /* run 1st part of board init code (from Flash) */
/* NOTREACHED - board_init_f() does not return */
.globl _start_of_vectors
_start_of_vectors:

18
arch/powerpc/cpu/mpc8260/start.S
View File

@ -161,18 +161,6 @@ _hrcw_table:
.globl _start
_start:
li r21, BOOTFLAG_COLD /* Normal Power-On: Boot from FLASH*/
nop
b boot_cold
. = EXC_OFF_SYS_RESET + 0x10
.globl _start_warm
_start_warm:
li r21, BOOTFLAG_WARM /* Software reboot */
b boot_warm
boot_cold:
#if defined(CONFIG_MPC8260ADS) && defined(CONFIG_SYS_DEFAULT_IMMR)
lis r3, CONFIG_SYS_DEFAULT_IMMR@h
nop
@ -185,7 +173,7 @@ boot_cold:
stw r4, 0(r3)
nop
#endif /* CONFIG_MPC8260ADS && CONFIG_SYS_DEFAULT_IMMR */
boot_warm:
mfmsr r5 /* save msr contents */
#if defined(CONFIG_COGENT)
@ -254,10 +242,10 @@ in_flash:
bl init_debug /* set up debugging stuff */
#endif
mr r3, r21
/* r3: BOOTFLAG */
bl board_init_f /* run 1st part of board init code (in Flash)*/
/* NOTREACHED - board_init_f() does not return */
/*
* Vector Table
*/

19
arch/powerpc/cpu/mpc83xx/start.S
View File

@ -183,22 +183,9 @@ ppcDWload:
.globl _start
_start: /* time t 0 */
li r21, BOOTFLAG_COLD /* Normal Power-On: Boot from FLASH*/
nop
b boot_cold
. = EXC_OFF_SYS_RESET + 0x10
.globl _start_warm
_start_warm:
li r21, BOOTFLAG_WARM /* Software reboot */
b boot_warm
boot_cold: /* time t 3 */
lis r4, CONFIG_DEFAULT_IMMR@h
nop
boot_warm: /* time t 5 */
mfmsr r5 /* save msr contents */
/* 83xx manuals prescribe a specific sequence for updating IMMRBAR. */
@ -302,11 +289,11 @@ in_flash:
/* run low-level CPU init code (in Flash)*/
bl cpu_init_f
/* r3: BOOTFLAG */
mr r3, r21
/* run 1st part of board init code (in Flash)*/
bl board_init_f
/* NOTREACHED - board_init_f() does not return */
#ifndef CONFIG_NAND_SPL
/*
* Vector Table

2
arch/powerpc/cpu/mpc85xx/start.S
View File

@ -432,6 +432,8 @@ _start_cont:
bl board_init_f
isync
/* NOTREACHED - board_init_f() does not return */
#ifndef CONFIG_NAND_SPL
. = EXC_OFF_SYS_RESET
.globl _start_of_vectors

15
arch/powerpc/cpu/mpc86xx/start.S
View File

@ -83,17 +83,7 @@ version_string:
. = EXC_OFF_SYS_RESET
.globl _start
_start:
li r21, BOOTFLAG_COLD /* Normal Power-On: Boot from FLASH */
b boot_cold
sync
. = EXC_OFF_SYS_RESET + 0x10
.globl _start_warm
_start_warm:
li r21, BOOTFLAG_WARM /* Software reboot */
b boot_warm
sync
/* the boot code is located below the exception table */
@ -166,7 +156,6 @@ _end_of_vectors:
. = 0x2000
boot_cold:
boot_warm:
/*
* NOTE: Only Cpu 0 will ever come here. Other cores go to an
* address specified by the BPTR
@ -303,14 +292,12 @@ diag_done:
#endif
/* bl l2cache_enable */
mr r3, r21
/* r3: BOOTFLAG */
/* run 1st part of board init code (from Flash) */
bl board_init_f
sync
/* NOTREACHED */
/* NOTREACHED - board_init_f() does not return */
.globl invalidate_bats
invalidate_bats:

16
arch/powerpc/cpu/mpc8xx/start.S
View File

@ -96,18 +96,6 @@ version_string:
_start:
lis r3, CONFIG_SYS_IMMR@h /* position IMMR */
mtspr 638, r3
li r21, BOOTFLAG_COLD /* Normal Power-On: Boot from FLASH */
b boot_cold
. = EXC_OFF_SYS_RESET + 0x10
.globl _start_warm
_start_warm:
li r21, BOOTFLAG_WARM /* Software reboot */
b boot_warm
boot_cold:
boot_warm:
/* Initialize machine status; enable machine check interrupt */
/*----------------------------------------------------------------------*/
@ -202,10 +190,10 @@ in_flash:
/* r3: IMMR */
bl cpu_init_f /* run low-level CPU init code (from Flash) */
mr r3, r21
/* r3: BOOTFLAG */
bl board_init_f /* run 1st part of board init code (from Flash) */
/* NOTREACHED - board_init_f() does not return */
.globl _start_of_vectors
_start_of_vectors:

6
arch/powerpc/cpu/ppc4xx/start.S
View File

@ -261,6 +261,7 @@
GET_GOT
bl cpu_init_f /* run low-level CPU init code (from Flash) */
bl board_init_f
/* NOTREACHED - board_init_f() does not return */
#endif
#if defined(CONFIG_SYS_RAMBOOT)
@ -803,6 +804,7 @@ _start:
bl cpu_init_f /* run low-level CPU init code (from Flash) */
bl board_init_f
/* NOTREACHED - board_init_f() does not return */
#endif
#endif /* CONFIG_440 */
@ -911,6 +913,7 @@ _start:
GET_GOT /* initialize GOT access */
bl board_init_f /* run first part of init code (from Flash) */
/* NOTREACHED - board_init_f() does not return */
#endif /* CONFIG_IOP480 */
@ -1180,8 +1183,9 @@ _start:
bl cpu_init_f /* run low-level CPU init code (from Flash) */
/* NEVER RETURNS! */
bl board_init_f /* run first part of init code (from Flash) */
/* NOTREACHED - board_init_f() does not return */
#endif /* CONFIG_NAND_SPL */
#endif /* CONFIG_405GP || CONFIG_405CR || CONFIG_405 || CONFIG_405EP */