diff options
| -rw-r--r-- | arch/arm/mach-at91/arm926ejs/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-at91/arm926ejs/cache.c | 29 | ||||
| -rw-r--r-- | board/bluewater/gurnard/gurnard.c | 6 |
3 files changed, 30 insertions, 6 deletions
diff --git a/arch/arm/mach-at91/arm926ejs/Makefile b/arch/arm/mach-at91/arm926ejs/Makefile index ddc323f641..d36e15a51c 100644 --- a/arch/arm/mach-at91/arm926ejs/Makefile +++ b/arch/arm/mach-at91/arm926ejs/Makefile @@ -18,6 +18,7 @@ obj-$(CONFIG_AT91SAM9N12) += at91sam9n12_devices.o obj-$(CONFIG_AT91SAM9X5) += at91sam9x5_devices.o obj-$(CONFIG_AT91_EFLASH) += eflash.o obj-$(CONFIG_AT91_LED) += led.o +obj-y += cache.o obj-y += clock.o obj-y += cpu.o obj-y += reset.o diff --git a/arch/arm/mach-at91/arm926ejs/cache.c b/arch/arm/mach-at91/arm926ejs/cache.c new file mode 100644 index 0000000000..8813706232 --- /dev/null +++ b/arch/arm/mach-at91/arm926ejs/cache.c @@ -0,0 +1,29 @@ +/* + * (C) Copyright 2016 + * Heiko Schocher, DENX Software Engineering, hs@denx.de. + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#include <linux/types.h> +#include <common.h> + +void enable_caches(void) +{ +#ifndef CONFIG_SYS_ICACHE_OFF + icache_enable(); +#endif +} + +#ifndef CONFIG_SYS_ICACHE_OFF +/* Invalidate entire I-cache and branch predictor array */ +void invalidate_icache_all(void) +{ + unsigned long i = 0; + + asm ("mcr p15, 0, %0, c7, c5, 0" : : "r" (i)); +} +#else +void invalidate_icache_all(void) +{ +} +#endif diff --git a/board/bluewater/gurnard/gurnard.c b/board/bluewater/gurnard/gurnard.c index 2a36d29788..08b1401372 100644 --- a/board/bluewater/gurnard/gurnard.c +++ b/board/bluewater/gurnard/gurnard.c @@ -414,12 +414,6 @@ void reset_phy(void) { } -/* This breaks the Ethernet MAC at present */ -void enable_caches(void) -{ - dcache_enable(); -} - /* SPI chip select control - only used for FPGA programming */ #ifdef CONFIG_ATMEL_SPI |