From: Nikita Shubin <n.shubin@yadro.com>
Date: Fri, 20 May 2022 11:41:17 +0000 (+0300)
Subject: riscv: cpu: set gp before board_init_f_init_reserve
X-Git-Tag: v2022.10~50^2~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a5041e33e4f05efec8a412641243c9281cba47e9;p=platform%2Fkernel%2Fu-boot.git

riscv: cpu: set gp before board_init_f_init_reserve

Restore global pointer before board_init_f_init_reserve call,
as "a0" can be set in harts_early_init call and we end up with
invalid global pointer.

Signed-off-by: Nikita Shubin <n.shubin@yadro.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
---

diff --git a/arch/riscv/cpu/start.S b/arch/riscv/cpu/start.S
index f2ef556..ac81783 100644
--- a/arch/riscv/cpu/start.S
+++ b/arch/riscv/cpu/start.S
@@ -143,6 +143,7 @@ call_harts_early_init:
 	bnez	tp, secondary_hart_loop
 #endif
 
+	mv      a0, s0
 	jal	board_init_f_init_reserve
 
 	SREG	s1, GD_FIRMWARE_FDT_ADDR(gp)