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powerpc, mpc8xx: clear top of stack

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Reported-by: Joakim Tjernlund <Joakim.Tjernlund@infinera.com>
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Reviewed-by: Joakim Tjernlund <Joakim.Tjernlund@infinera.com>
This commit is contained in:
Christophe Leroy
2018-11-21 08:51:41 +00:00
committed by Tom Rini
parent ed47097a04
commit 71c743c5f7
1 changed files with 3 additions and 1 deletions
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4
arch/powerpc/cpu/mpc8xx/start.S
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@@ -144,9 +144,11 @@ in_flash:
ori r2, r2, CONFIG_SYS_DER@l
mtspr DER, r2
/* set up the stack in internal DPRAM */
/* set up the stack on top of internal DPRAM */
lis r3, (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE)@h
ori r3, r3, (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE)@l
stw r0, -4(r3)
stw r0, -8(r3)
addi r1, r3, -8
bl board_init_f_alloc_reserve