u-boot/arch/powerpc/lib/cache.c
Simon Glass 1eb69ae498 common: Move ARM cache operations out of common.h
These functions are CPU-related and do not use driver model. Move them to
cpu_func.h

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
2019-12-02 18:24:58 -05:00

37 lines
936 B
C

// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2002
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*/
#include <common.h>
#include <cpu_func.h>
#include <asm/cache.h>
#include <watchdog.h>
void flush_cache(ulong start_addr, ulong size)
{
#ifndef CONFIG_5xx
ulong addr, start, end;
start = start_addr & ~(CONFIG_SYS_CACHELINE_SIZE - 1);
end = start_addr + size - 1;
for (addr = start; (addr <= end) && (addr >= start);
addr += CONFIG_SYS_CACHELINE_SIZE) {
asm volatile("dcbst 0,%0" : : "r" (addr) : "memory");
WATCHDOG_RESET();
}
/* wait for all dcbst to complete on bus */
asm volatile("sync" : : : "memory");
for (addr = start; (addr <= end) && (addr >= start);
addr += CONFIG_SYS_CACHELINE_SIZE) {
asm volatile("icbi 0,%0" : : "r" (addr) : "memory");
WATCHDOG_RESET();
}
asm volatile("sync" : : : "memory");
/* flush prefetch queue */
asm volatile("isync" : : : "memory");
#endif
}