mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-27 21:33:44 +09:00
1a4596601f
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
59 lines
1.0 KiB
ArmAsm
59 lines
1.0 KiB
ArmAsm
/*
|
|
* Copyright (C) 2000 Murray Jensen <Murray.Jensen@cmst.csiro.au>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <config.h>
|
|
#include <command.h>
|
|
#include <mpc8xx.h>
|
|
#include <version.h>
|
|
|
|
#define CONFIG_8xx 1 /* needed for Linux kernel header files */
|
|
#define _LINUX_CONFIG_H 1 /* avoid reading Linux autoconf.h file */
|
|
|
|
#include <ppc_asm.tmpl>
|
|
#include <ppc_defs.h>
|
|
|
|
#include <asm/cache.h>
|
|
#include <asm/mmu.h>
|
|
|
|
#if defined(CONFIG_CMD_KGDB)
|
|
|
|
/*
|
|
* cache flushing routines for kgdb
|
|
*/
|
|
|
|
.globl kgdb_flush_cache_all
|
|
kgdb_flush_cache_all:
|
|
lis r3, IDC_INVALL@h
|
|
mtspr DC_CST, r3
|
|
sync
|
|
lis r3, IDC_INVALL@h
|
|
mtspr IC_CST, r3
|
|
SYNC
|
|
blr
|
|
|
|
.globl kgdb_flush_cache_range
|
|
kgdb_flush_cache_range:
|
|
li r5,CONFIG_SYS_CACHELINE_SIZE-1
|
|
andc r3,r3,r5
|
|
subf r4,r3,r4
|
|
add r4,r4,r5
|
|
srwi. r4,r4,CONFIG_SYS_CACHELINE_SHIFT
|
|
beqlr
|
|
mtctr r4
|
|
mr r6,r3
|
|
1: dcbst 0,r3
|
|
addi r3,r3,CONFIG_SYS_CACHELINE_SIZE
|
|
bdnz 1b
|
|
sync /* wait for dcbst's to get to ram */
|
|
mtctr r4
|
|
2: icbi 0,r6
|
|
addi r6,r6,CONFIG_SYS_CACHELINE_SIZE
|
|
bdnz 2b
|
|
SYNC
|
|
blr
|
|
|
|
#endif
|