ar71xx: add flush reset register writes, should fix restart issues (#17839)

Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 43777
10 years ago · fa3cb9fa5c
parent a96afecf5c
commit fa3cb9fa5c
1 changed files with 10 additions and 0 deletions
--- a/target/linux/ar71xx/patches-3.14/728-MIPS-ath79-fix-restart.patch
+++ b/target/linux/ar71xx/patches-3.14/728-MIPS-ath79-fix-restart.patch
@ -8,3 +8,13 @@
 	ath79_device_reset_set(AR71XX_RESET_FULL_CHIP);
 	for (;;)
 		if (cpu_wait)
+--- a/arch/mips/include/asm/mach-ath79/ath79.h
+++ b/arch/mips/include/asm/mach-ath79/ath79.h
+@@ -144,6 +144,7 @@ static inline u32 ath79_pll_rr(unsigned 
+ static inline void ath79_reset_wr(unsigned reg, u32 val)
+ {
+ 	__raw_writel(val, ath79_reset_base + reg);
+	(void) __raw_readl(ath79_reset_base + reg); /* flush */
+ }
+ 
+ static inline u32 ath79_reset_rr(unsigned reg)