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ARM: uniphier: move lowlevel debug init code after page table switch 

As the sLD3 Boot ROM has a complex page table, it is difficult to
set up the debug UART with enabling it.  It will be much easier to
initialize the UART port after switching over to the straight-mapped
page table.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Masahiro Yamada 2016-08-10 16:08:41 +09:00
parent 82d075e79f
commit bcc51c1512
1 changed files with 4 additions and 4 deletions
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8
arch/arm/mach-uniphier/arm32/lowlevel_init.S
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@ -25,10 +25,6 @@ ENTRY(lowlevel_init)
orr r0, r0, #(CR_C | CR_M) @ enable MMU and Dcache orr r0, r0, #(CR_C | CR_M) @ enable MMU and Dcache
mcr p15, 0, r0, c1, c0, 0 mcr p15, 0, r0, c1, c0, 0
#ifdef CONFIG_DEBUG_LL
bl debug_ll_init
#endif
bl setup_init_ram @ RAM area for stack and page table bl setup_init_ram @ RAM area for stack and page table
/* /*
@ -47,6 +43,10 @@ ENTRY(lowlevel_init)
bl enable_mmu bl enable_mmu
#ifdef CONFIG_DEBUG_LL
bl debug_ll_init
#endif
mov lr, r8 @ restore link mov lr, r8 @ restore link
mov pc, lr @ back to my caller mov pc, lr @ back to my caller
ENDPROC(lowlevel_init) ENDPROC(lowlevel_init)