--- zzzz-none-000/linux-4.4.271/arch/mips/include/asm/mach-ath79/kernel-entry-init.h	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/arch/mips/include/asm/mach-ath79/kernel-entry-init.h	2023-04-19 10:22:28.000000000 +0000
@@ -24,6 +24,24 @@
 	ori	t0, CONF_CM_CACHABLE_NONCOHERENT
 	mtc0	t0, CP0_CONFIG
 	nop
+	/* == AVM/JTR 20181119 Enable ULB and SL Bits in Config7 on Wasp platforms == */
+#if defined(CONFIG_ATH79_MACH_AVM_WASP) && 0
+	mfc0	t0, $16, 7
+	ori	t0, t0, 0x0011
+	mtc0	t0, $16, 7
+	nop
+#endif
+	/* == AVM/JTR 20181212 Disable Return Branch Prediction, Prefetching and enable SUI on Wasp platforms == */
+#if defined(CONFIG_ATH79_MACH_AVM_WASP) && 1
+	mfc0	t0, $16, 7
+	li	t1, ~(3 << 11) /* Clear prefetch */
+	and	t0, t0, t1
+	ori	t0, t0, (1<<2) /* Disable Return Branch Prediction */
+	li      t1,(1<<21)     /* Enable Strict Uncached Instruction */
+	or      t0,t0,t1
+	mtc0	t0, $16, 7
+	nop
+#endif
 	.endm
 
 	.macro	smp_slave_setup