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riscv: Fix linking error when building u-boot-spl with no SMP support

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Switch off SMP support when building u-boot-spl would cause linking error as follow:
undefined reference to 'secondary hart relocate' and 'smp_call_function'.
Add macro to wrap up proper code region that needs SMP configuration on.

Signed-off by: Leo Liang <ycliang@andestech.com>
Cc: rick@andestech.com
Reviewed-by: Bin Meng <bin.meng@windriver.com>
This commit is contained in:
Leo Yu-Chi Liang 2020-06-29 16:27:28 +08:00 committed by Andes
parent 27b4a4abe6
commit e491e15a3f
1 changed files with 2 additions and 0 deletions
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2
arch/riscv/cpu/start.S
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@ -193,6 +193,7 @@ spl_stack_gd_setup:
mv sp, s0
#endif
#if CONFIG_IS_ENABLED(SMP)
/* set new stack and global data pointer on secondary harts */
spl_secondary_hart_stack_gd_setup:
la a0, secondary_hart_relocate
@ -207,6 +208,7 @@ spl_secondary_hart_stack_gd_setup:
la a0, secondary_harts_relocation_error
jal printf
jal hang
#endif
/* set new global data pointer on main hart */
1: mv gp, s0