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powerpc: mpc85xx: Rename _start_e500 symbol to _start

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The real entry point is _start_e500. There is no _start symbol at all. So
rename _start_e500 to _start for convension that _start symbol is used as
entry point.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
This commit is contained in:
Pali Rohár 2022-04-03 00:05:09 +02:00 • committed by Priyanka Jain
parent 2dcf776ebc
commit de14a5a95c
4 changed files with 6 additions and 6 deletions
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2
arch/powerpc/cpu/mpc85xx/resetvec.S
View file

@ -1,2 +1,2 @@
.section .resetvec,"ax" .section .resetvec,"ax"
b _start_e500 b _start

4
arch/powerpc/cpu/mpc85xx/start.S
View file

@ -70,9 +70,9 @@
*/ */
.section .bootpg,"ax" .section .bootpg,"ax"
.globl _start_e500 .globl _start
_start_e500: _start:
/* Enable debug exception */ /* Enable debug exception */
li r1,MSR_DE li r1,MSR_DE
mtmsr r1 mtmsr r1

2
arch/powerpc/cpu/mpc85xx/u-boot.lds
View file

@ -16,7 +16,7 @@
#endif #endif
OUTPUT_ARCH(powerpc) OUTPUT_ARCH(powerpc)
ENTRY(_start_e500) ENTRY(_start)
PHDRS PHDRS
{ {

4
doc/README.mpc85xx
View file

@ -45,7 +45,7 @@ Note: Sequence number is in order of execution
A) defined(CONFIG_SYS_RAMBOOT) i.e. SD, SPI, NAND RAMBOOT & NAND_SPL boot A) defined(CONFIG_SYS_RAMBOOT) i.e. SD, SPI, NAND RAMBOOT & NAND_SPL boot
1) TLB entry to overcome e500 v1/v2 debug restriction 1) TLB entry to overcome e500 v1/v2 debug restriction
Location : Label "_start_e500" Location : Label "_start"
TLB Entry : CONFIG_SYS_PPC_E500_DEBUG_TLB TLB Entry : CONFIG_SYS_PPC_E500_DEBUG_TLB
EPN -->RPN : CONFIG_SYS_MONITOR_BASE --> CONFIG_SYS_MONITOR_BASE EPN -->RPN : CONFIG_SYS_MONITOR_BASE --> CONFIG_SYS_MONITOR_BASE
Properties : 256K, AS0, I, IPROT Properties : 256K, AS0, I, IPROT
@ -91,7 +91,7 @@ A) defined(CONFIG_SYS_RAMBOOT) i.e. SD, SPI, NAND RAMBOOT & NAND_SPL boot
B) !defined(CONFIG_SYS_RAMBOOT) i.e. NOR boot B) !defined(CONFIG_SYS_RAMBOOT) i.e. NOR boot
1) TLB entry to overcome e500 v1/v2 debug restriction 1) TLB entry to overcome e500 v1/v2 debug restriction
Location : Label "_start_e500" Location : Label "_start"
TLB Entry : CONFIG_SYS_PPC_E500_DEBUG_TLB TLB Entry : CONFIG_SYS_PPC_E500_DEBUG_TLB
#if defined(CONFIG_NXP_ESBC) #if defined(CONFIG_NXP_ESBC)
EPN -->RPN : CONFIG_SYS_MONITOR_BASE --> CONFIG_SYS_PBI_FLASH_WINDOW EPN -->RPN : CONFIG_SYS_MONITOR_BASE --> CONFIG_SYS_PBI_FLASH_WINDOW