mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-11 13:56:30 +00:00
f7ae49fc4f
Move this header out of the common header. Signed-off-by: Simon Glass <sjg@chromium.org>
59 lines
1.2 KiB
C
59 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* (C) Copyright 2002
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <irq_func.h>
|
|
#include <log.h>
|
|
|
|
/*
|
|
* CPU test
|
|
* Load/store multiple word instructions: lmw, stmw
|
|
*
|
|
* 27 consecutive words are loaded from a source memory buffer
|
|
* into GPRs r5 through r31. After that, 27 consecutive words are stored
|
|
* from the GPRs r5 through r31 into a target memory buffer. The contents
|
|
* of the source and target buffers are then compared.
|
|
*/
|
|
|
|
#include <post.h>
|
|
#include "cpu_asm.h"
|
|
|
|
#if CONFIG_POST & CONFIG_SYS_POST_CPU
|
|
|
|
extern void cpu_post_exec_02(ulong *code, ulong op1, ulong op2);
|
|
|
|
int cpu_post_test_multi(void)
|
|
{
|
|
int ret = 0;
|
|
unsigned int i;
|
|
ulong src[27], dst[27];
|
|
int flag = disable_interrupts();
|
|
|
|
ulong code[] = {
|
|
ASM_LMW(5, 3, 0), /* lmw r5, 0(r3) */
|
|
ASM_STMW(5, 4, 0), /* stmr r5, 0(r4) */
|
|
ASM_BLR, /* blr */
|
|
};
|
|
|
|
for (i = 0; i < ARRAY_SIZE(src); ++i) {
|
|
src[i] = i;
|
|
dst[i] = 0;
|
|
}
|
|
|
|
cpu_post_exec_02(code, (ulong) src, (ulong) dst);
|
|
|
|
ret = memcmp(src, dst, sizeof(dst)) == 0 ? 0 : -1;
|
|
|
|
if (ret != 0)
|
|
post_log("Error at multi test !\n");
|
|
|
|
if (flag)
|
|
enable_interrupts();
|
|
|
|
return ret;
|
|
}
|
|
|
|
#endif
|