cmd: memtester: move some common code to ddr_tester_common.c
1. Moving some common code to ddr_tester_common.c to share with ddr tool. 2. io_map.c get dram bandwidth by using get_ddr_bw(). Change-Id: I90641f35c4474846a2357f4959415bfaa6230769 Signed-off-by: Tang Yun ping <typ@rock-chips.com>
This commit is contained in:
Tang Yun ping
parent
a2f7540398
commit
d4eae7f5fe
|
|
@ -1,3 +1,4 @@
|
|||
obj-$(CONFIG_CMD_MEMTESTER) += tests.o
|
||||
obj-$(CONFIG_CMD_MEMTESTER) += memtester.o
|
||||
obj-$(CONFIG_CMD_MEMTESTER) += io_map.o
|
||||
obj-$(CONFIG_CMD_MEMTESTER) += ddr_tester_common.o
|
||||
|
|
|
|||
|
|
@ -0,0 +1,154 @@
|
|||
// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
|
||||
/*
|
||||
* (C) Copyright 2019 Rockchip Electronics Co., Ltd.
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
#include <power/regulator.h>
|
||||
#include "ddr_tester_common.h"
|
||||
|
||||
DECLARE_GLOBAL_DATA_PTR;
|
||||
|
||||
void write_buf_to_ddr(u32 *buf, u32 buf_len, ulong start_adr, ulong length)
|
||||
{
|
||||
ulong *buful = (ulong *)buf;
|
||||
ulong *p = (ulong *)start_adr;
|
||||
u32 i, j;
|
||||
|
||||
buf_len = buf_len / sizeof(ulong) - 1;
|
||||
|
||||
for (i = 0, j = 0; i < length / sizeof(p[0]); i++) {
|
||||
p[i] = buful[j];
|
||||
j++;
|
||||
j &= buf_len;
|
||||
}
|
||||
}
|
||||
|
||||
ulong cmp_buf_data(u32 *buf, u32 buf_len, ulong start_adr, ulong length,
|
||||
u32 prt_en)
|
||||
{
|
||||
ulong *buful = (ulong *)buf;
|
||||
volatile unsigned long *p = (volatile unsigned long *)start_adr;
|
||||
u32 i, j;
|
||||
ulong reread = 0;
|
||||
ulong wr_val = 0;
|
||||
ulong val = 0;
|
||||
ulong err_adr = 0;
|
||||
|
||||
buf_len = buf_len / sizeof(ulong) - 1;
|
||||
err_adr = 0;
|
||||
for (i = 0, j = 0; i < length / sizeof(p[0]); i++) {
|
||||
val = p[i];
|
||||
if (val != buful[j]) {
|
||||
flush_dcache_range((ulong)&p[i],
|
||||
(ulong)&p[i] + sizeof(u32));
|
||||
reread = p[i];
|
||||
err_adr = (ulong)&p[i];
|
||||
wr_val = buful[j];
|
||||
break;
|
||||
}
|
||||
j++;
|
||||
j &= buf_len;
|
||||
}
|
||||
if (err_adr && prt_en)
|
||||
printf("test fail:address:0x%lx,read:0x%lx,"
|
||||
"reread:0x%lx,expect:0x%lx\n",
|
||||
err_adr, val, reread, wr_val);
|
||||
|
||||
return err_adr;
|
||||
}
|
||||
|
||||
void print_memory(void *addr, ulong size)
|
||||
{
|
||||
u32 *p = addr;
|
||||
u32 i;
|
||||
|
||||
for (i = 0; i < size / 4; i += 4) {
|
||||
printf("0x%08lx: 0x%08x, 0x%08x, 0x%08x, 0x%08x\n",
|
||||
(ulong)&p[i], p[i], p[i + 1], p[i + 2], p[i + 3]);
|
||||
}
|
||||
}
|
||||
|
||||
/* print available address for ddr testing in uboot */
|
||||
void get_print_available_addr(ulong *start_adr, ulong *length, int print_en)
|
||||
{
|
||||
u32 i, max_bank = 0;
|
||||
|
||||
for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
|
||||
if (gd->bd->bi_dram[i].start)
|
||||
max_bank = i + 1;
|
||||
start_adr[i] = 0;
|
||||
length[i] = 0;
|
||||
}
|
||||
|
||||
for (i = 0; i < max_bank; i++) {
|
||||
start_adr[i] = gd->bd->bi_dram[i].start;
|
||||
length[i] = gd->bd->bi_dram[i].size;
|
||||
}
|
||||
|
||||
length[max_bank - 1] = (gd->start_addr_sp - RESERVED_SP_SIZE -
|
||||
start_adr[max_bank - 1]) & ~0xfff;
|
||||
if (print_en) {
|
||||
printf("available memory for test:\n");
|
||||
printf(" start end length\n");
|
||||
for (i = 0; i < max_bank; i++)
|
||||
if (start_adr[i])
|
||||
printf(" 0x%08lx - 0x%08lx 0x%08lx\n",
|
||||
start_adr[i], start_adr[i] + length[i],
|
||||
length[i]);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* judge if testing address is available
|
||||
* arg[0]:start addr, arg[1]:length, return test banks number
|
||||
*/
|
||||
int judge_test_addr(ulong *arg, ulong *start_adr, ulong *length)
|
||||
{
|
||||
u32 i, max_bank = 0;
|
||||
u32 available = 0;
|
||||
|
||||
for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
|
||||
if (start_adr[i])
|
||||
max_bank = i + 1;
|
||||
|
||||
if (!arg[1])
|
||||
return max_bank;
|
||||
|
||||
for (i = 0; i < max_bank; i++)
|
||||
if (arg[0] >= start_adr[i] &&
|
||||
arg[0] + arg[1] <= start_adr[i] + length[i])
|
||||
available |= 1;
|
||||
if (!available) {
|
||||
printf("Invalid test address\n");
|
||||
} else {
|
||||
start_adr[0] = arg[0];
|
||||
length[0] = arg[1];
|
||||
for (i = 1; i < max_bank; i++) {
|
||||
start_adr[i] = 0;
|
||||
length[i] = 0;
|
||||
}
|
||||
}
|
||||
|
||||
return available;
|
||||
}
|
||||
|
||||
int set_vdd_logic(u32 uv)
|
||||
{
|
||||
struct udevice *dev;
|
||||
int ret;
|
||||
|
||||
ret = regulator_get_by_platname("vdd_logic", &dev);
|
||||
if (ret) {
|
||||
printf("Cannot set regulator name\n");
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* Slowly raise to max CPU voltage to prevent overshoot */
|
||||
ret = regulator_set_value(dev, uv);
|
||||
udelay(100); /* Must wait for voltage to stabilize, 2mV/us */
|
||||
if (ret)
|
||||
printf("set vdd_logic fail\n");
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,20 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause */
|
||||
/*
|
||||
* Copyright (C) 2019 Rockchip Electronics Co., Ltd.
|
||||
*/
|
||||
|
||||
/* Function declaration. */
|
||||
#ifndef _CMD_MEMTESTER_DDR_TOOL_COMMON_H
|
||||
#define _CMD_MEMTESTER_DDR_TOOL_COMMON_H
|
||||
|
||||
/* reserved 1MB for stack */
|
||||
#define RESERVED_SP_SIZE 0x100000
|
||||
|
||||
void write_buf_to_ddr(u32 *buf, u32 buf_len, ulong start_adr, ulong length);
|
||||
ulong cmp_buf_data(u32 *buf, u32 buf_len, ulong start_adr,
|
||||
ulong length, u32 prt_en);
|
||||
void print_memory(void *addr, ulong size);
|
||||
void get_print_available_addr(ulong *start_adr, ulong *length, int print_en);
|
||||
int judge_test_addr(ulong *arg, ulong *start_adr, ulong *length);
|
||||
int set_vdd_logic(u32 uv);
|
||||
#endif /* _CMD_MEMTESTER_DDR_TOOL_COMMON_H */
|
||||
|
|
@ -1,25 +1,16 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0 */
|
||||
// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
|
||||
/*
|
||||
* Very simple but very effective user-space memory tester.
|
||||
* Originally by Simon Kirby <sim@stormix.com> <sim@neato.org>
|
||||
* Version 2 by Charles Cazabon <charlesc-memtester@pyropus.ca>
|
||||
* Version 3 not publicly released.
|
||||
* Version 4 rewrite:
|
||||
* Copyright (C) 2004-2012 Charles Cazabon <charlesc-memtester@pyropus.ca>
|
||||
* Licensed under the terms of the GNU General Public License version 2 (only).
|
||||
* See the file COPYING for details.
|
||||
*
|
||||
* This file contains the functions for the actual tests, called from the
|
||||
* main routine in memtester.c. See other comments in that file.
|
||||
*
|
||||
* (C) Copyright 2019 Rockchip Electronics Co., Ltd.
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
#include <asm/arch/sdram_common.h>
|
||||
#include "io_map.h"
|
||||
|
||||
#define IO_TYPE_1_1_16 0
|
||||
#define IO_TYPE_1_1_32 1
|
||||
#define IO_TYPE_1_2 2
|
||||
#define IO_TYPE_2 3
|
||||
#define IO_TYPE_1_1_16 0 /* up1 1:1 mode 16bit */
|
||||
#define IO_TYPE_1_1_32 1 /* up1 1:1 mode 32bit */
|
||||
#define IO_TYPE_1_2 2 /* up1 1:2 mode */
|
||||
#define IO_TYPE_2 3 /* up2 */
|
||||
|
||||
static u32 io_type;
|
||||
|
||||
|
|
@ -27,7 +18,7 @@ static u32 io_type;
|
|||
int data_cpu_2_io(void *p, u32 len)
|
||||
{
|
||||
uchar *val = p;
|
||||
uchar buf[16];
|
||||
uchar buf[CPU_2_IO_ALIGN_LEN];
|
||||
u32 i, j;
|
||||
|
||||
if ((len % sizeof(buf)) || !len)
|
||||
|
|
@ -56,9 +47,6 @@ int data_cpu_2_io(void *p, u32 len)
|
|||
|
||||
void data_cpu_2_io_init(void)
|
||||
{
|
||||
u32 osreg = 0;
|
||||
u32 bw;
|
||||
|
||||
#if defined(CONFIG_ROCKCHIP_RK3036)
|
||||
io_type = IO_TYPE_1_1_16;
|
||||
#elif defined(CONFIG_ROCKCHIP_RK3228) || \
|
||||
|
|
@ -66,12 +54,16 @@ void data_cpu_2_io_init(void)
|
|||
defined(CONFIG_ROCKCHIP_RK3368) || \
|
||||
defined(CONFIG_ROCKCHIP_RK3366)
|
||||
io_type = IO_TYPE_1_2;
|
||||
#elif defined(CONFIG_ROCKCHIP_RK3128)
|
||||
osreg = 0x200081cc;
|
||||
#elif defined(CONFIG_ROCKCHIP_RK3288)
|
||||
osreg = 0xff73009c;
|
||||
#elif defined(CONFIG_ROCKCHIP_RK3188)
|
||||
osreg = 0x20004048;
|
||||
#elif defined(CONFIG_ROCKCHIP_RK3128) || \
|
||||
defined(CONFIG_ROCKCHIP_RK3288) || \
|
||||
defined(CONFIG_ROCKCHIP_RK3288)
|
||||
u32 bw;
|
||||
|
||||
bw = get_ddr_bw();
|
||||
if (bw == 2)
|
||||
io_type = IO_TYPE_1_1_32;
|
||||
else
|
||||
io_type = IO_TYPE_1_1_16;
|
||||
#elif defined(CONFIG_ROCKCHIP_RK3328) || \
|
||||
defined(CONFIG_ROCKCHIP_PX30) || \
|
||||
defined(CONFIG_ROCKCHIP_RK1808)
|
||||
|
|
@ -79,13 +71,5 @@ void data_cpu_2_io_init(void)
|
|||
#else
|
||||
io_type = IO_TYPE_2;
|
||||
#endif
|
||||
|
||||
if (osreg) {
|
||||
bw = (2 >> ((osreg >> 2) & 0x3));
|
||||
if (bw == 2)
|
||||
io_type = IO_TYPE_1_1_32;
|
||||
else
|
||||
io_type = IO_TYPE_1_1_16;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -1,12 +1,13 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause */
|
||||
/*
|
||||
* Copyright (C) 2017 Rockchip Electronics Co., Ltd.
|
||||
*
|
||||
* SPDX-License-Identifier: GPL-2.0+
|
||||
* Copyright (C) 2019 Rockchip Electronics Co., Ltd.
|
||||
*/
|
||||
|
||||
#ifndef _CMD_MEMTESTER_IO_MAP_H
|
||||
#define _CMD_MEMTESTER_IO_MAP_H
|
||||
|
||||
#define CPU_2_IO_ALIGN_LEN (16) /* 16 byte */
|
||||
|
||||
int data_cpu_2_io(void *p, u32 len);
|
||||
void data_cpu_2_io_init(void);
|
||||
|
||||
|
|
|
|||
|
|
@ -21,16 +21,12 @@
|
|||
#include "types.h"
|
||||
#include "tests.h"
|
||||
#include "io_map.h"
|
||||
#include "ddr_tester_common.h"
|
||||
|
||||
#define EXIT_FAIL_NONSTARTER 0x01
|
||||
#define EXIT_FAIL_ADDRESSLINES 0x02
|
||||
#define EXIT_FAIL_OTHERTEST 0x04
|
||||
|
||||
DECLARE_GLOBAL_DATA_PTR;
|
||||
|
||||
/* reserved sp size 1MB */
|
||||
#define RESERVED_SP_SIZE 0x100000
|
||||
|
||||
struct test tests[] = {
|
||||
{"Random Value", test_random_value},
|
||||
{"Compare XOR", test_xor_comparison},
|
||||
|
|
@ -57,103 +53,44 @@ struct test tests[] = {
|
|||
int use_phys;
|
||||
off_t physaddrbase;
|
||||
|
||||
static int do_memtester(cmd_tbl_t *cmdtp, int flag, int argc,
|
||||
char *const argv[])
|
||||
/*
|
||||
* arg[0]: test start address
|
||||
* arg[1]: test length, unit: byte
|
||||
* testenable: enable test case, if 0 enable all case
|
||||
* loops: test loops, if 0 endless loop
|
||||
* err_exit: 1: exit test when found fail.
|
||||
* return 0: success, other: fail
|
||||
*/
|
||||
int doing_memtester(ul *arg, ul testenable, ul loops, ul err_exit)
|
||||
{
|
||||
ul loop, i, j;
|
||||
ul buf_start;
|
||||
ul start_adr[2], length[2];
|
||||
u32v * bufa[2], *bufb[2];
|
||||
ul count[2];
|
||||
ul bufsize = 0;
|
||||
ul loops = 0;
|
||||
ul testenable = 0;
|
||||
ul start_adr[CONFIG_NR_DRAM_BANKS], length[CONFIG_NR_DRAM_BANKS];
|
||||
u32v * bufa[CONFIG_NR_DRAM_BANKS], *bufb[CONFIG_NR_DRAM_BANKS];
|
||||
ul count[CONFIG_NR_DRAM_BANKS];
|
||||
int exit_code = 0;
|
||||
int abort = 0;
|
||||
int test_banks;
|
||||
|
||||
printf("memtester version " __version__ " (%d-bit)\n", UL_LEN);
|
||||
printf("Copyright (C) 2001-2012 Charles Cazabon.\n");
|
||||
printf("Licensed under the GNU General Public License version 2 (only).\n");
|
||||
printf("\n");
|
||||
get_print_available_addr(start_adr, length, 0);
|
||||
|
||||
start_adr[0] = (size_t)gd->bd->bi_dram[0].start;
|
||||
if (gd->bd->bi_dram[1].start) {
|
||||
length[0] = (size_t)gd->bd->bi_dram[0].size;
|
||||
start_adr[1] = (size_t)gd->bd->bi_dram[1].start;
|
||||
length[1] = gd->start_addr_sp - RESERVED_SP_SIZE - start_adr[1];
|
||||
length[1] &= ~0xfff;
|
||||
} else {
|
||||
length[0] = gd->start_addr_sp - RESERVED_SP_SIZE - start_adr[0];
|
||||
length[0] &= ~0xfff;
|
||||
start_adr[1] = 0;
|
||||
length[1] = 0;
|
||||
test_banks = judge_test_addr(arg, start_adr, length);
|
||||
|
||||
if (!test_banks) {
|
||||
printf("unavailable test address\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
printf("available memory for test:\n");
|
||||
printf(" start end length\n");
|
||||
printf(" 0x%08lx - 0x%08lx 0x%08lx\n",
|
||||
start_adr[0], start_adr[0] + length[0], length[0]);
|
||||
if (start_adr[1])
|
||||
printf(" 0x%08lx - 0x%08lx 0x%08lx\n",
|
||||
start_adr[1], start_adr[1] + length[1], length[1]);
|
||||
|
||||
if (argc < 2)
|
||||
return CMD_RET_USAGE;
|
||||
|
||||
if (strict_strtoul(argv[1], 0, &buf_start) < 0)
|
||||
return CMD_RET_USAGE;
|
||||
|
||||
if (argc > 2)
|
||||
if (strict_strtoul(argv[2], 0, &bufsize) < 0)
|
||||
return CMD_RET_USAGE;
|
||||
|
||||
if (argc > 3)
|
||||
if (strict_strtoul(argv[3], 0, &testenable) < 0)
|
||||
return CMD_RET_USAGE;
|
||||
|
||||
if (argc > 4)
|
||||
if (strict_strtoul(argv[4], 0, &loops) < 0)
|
||||
return CMD_RET_USAGE;
|
||||
|
||||
if (!bufsize) {
|
||||
/* test all memory */
|
||||
for (i = 0; i < 2; i++) {
|
||||
for (i = 0; i < ARRAY_SIZE(start_adr); i++) {
|
||||
bufa[i] = (u32v *)start_adr[i];
|
||||
bufb[i] = (u32v *)(start_adr[i] + length[i] / 2);
|
||||
count[i] = length[i] / 2 / sizeof(u32);
|
||||
}
|
||||
} else {
|
||||
bufa[0] = (u32v *)buf_start;
|
||||
bufb[0] = (u32v *)(buf_start + bufsize / 2);
|
||||
count[0] = bufsize / 2 / sizeof(u32);
|
||||
bufa[1] = 0;
|
||||
if (start_adr[1]) {
|
||||
if (buf_start < start_adr[0] ||
|
||||
(buf_start >= start_adr[0] + length[0] &&
|
||||
buf_start < start_adr[1]) ||
|
||||
((buf_start + bufsize >
|
||||
start_adr[0] + length[0]) &&
|
||||
buf_start + bufsize < start_adr[1]) ||
|
||||
(buf_start + bufsize >
|
||||
start_adr[1] + length[1])) {
|
||||
printf("unavailable memory space\n");
|
||||
return CMD_RET_FAILURE;
|
||||
}
|
||||
} else {
|
||||
if (buf_start < start_adr[0] ||
|
||||
(buf_start + bufsize >
|
||||
start_adr[0] + length[0])) {
|
||||
printf("unavailable memory space\n");
|
||||
return CMD_RET_FAILURE;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
data_cpu_2_io_init();
|
||||
|
||||
for (loop = 1; ((!loops) || loop <= loops); loop++) {
|
||||
for (j = 0; j < 2; j++) {
|
||||
if (!bufa[j])
|
||||
for (j = 0; j < test_banks; j++) {
|
||||
if (!count[j])
|
||||
continue;
|
||||
printf("testing:0x%lx - 0x%lx\n", (ul)bufa[j],
|
||||
(ul)bufa[j] + count[j] * 2 * sizeof(u32));
|
||||
|
|
@ -176,10 +113,14 @@ static int do_memtester(cmd_tbl_t *cmdtp, int flag, int argc,
|
|||
if (testenable && (!((1 << i) & testenable)))
|
||||
continue;
|
||||
printf(" %-20s: ", tests[i].name);
|
||||
if (!tests[i].fp(bufa[j], bufb[j], count[j]))
|
||||
if (!tests[i].fp(bufa[j], bufb[j], count[j])) {
|
||||
printf("ok\n");
|
||||
else
|
||||
} else {
|
||||
exit_code |= EXIT_FAIL_OTHERTEST;
|
||||
if (err_exit) {
|
||||
goto out;
|
||||
}
|
||||
}
|
||||
if (ctrlc()) {
|
||||
abort = 1;
|
||||
break;
|
||||
|
|
@ -192,6 +133,8 @@ static int do_memtester(cmd_tbl_t *cmdtp, int flag, int argc,
|
|||
if (abort)
|
||||
break;
|
||||
}
|
||||
|
||||
out:
|
||||
if (exit_code & EXIT_FAIL_NONSTARTER)
|
||||
printf("Fail: EXIT_FAIL_NONSTARTER\n");
|
||||
if (exit_code & EXIT_FAIL_ADDRESSLINES)
|
||||
|
|
@ -199,13 +142,58 @@ static int do_memtester(cmd_tbl_t *cmdtp, int flag, int argc,
|
|||
if (exit_code & EXIT_FAIL_OTHERTEST)
|
||||
printf("Fail: EXIT_FAIL_OTHERTEST\n");
|
||||
|
||||
if (exit_code)
|
||||
return -1;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int do_memtester(cmd_tbl_t *cmdtp, int flag, int argc,
|
||||
char *const argv[])
|
||||
{
|
||||
ul start_adr[CONFIG_NR_DRAM_BANKS], length[CONFIG_NR_DRAM_BANKS];
|
||||
ul arg[2];
|
||||
ul loops = 0;
|
||||
ul testenable = 0;
|
||||
ul err_exit = 0;
|
||||
|
||||
printf("memtester version " __version__ " (%d-bit)\n", UL_LEN);
|
||||
printf("Copyright (C) 2001-2012 Charles Cazabon.\n");
|
||||
printf("Licensed under the GNU General Public License version 2 (only).\n");
|
||||
printf("\n");
|
||||
|
||||
get_print_available_addr(start_adr, length, 1);
|
||||
|
||||
if (argc < 2)
|
||||
return CMD_RET_USAGE;
|
||||
|
||||
if (strict_strtoul(argv[1], 0, &arg[0]) < 0)
|
||||
return CMD_RET_USAGE;
|
||||
|
||||
if (argc > 2)
|
||||
if (strict_strtoul(argv[2], 0, &arg[1]) < 0)
|
||||
return CMD_RET_USAGE;
|
||||
|
||||
if (argc > 3)
|
||||
if (strict_strtoul(argv[3], 0, &testenable) < 0)
|
||||
return CMD_RET_USAGE;
|
||||
|
||||
if (argc > 4)
|
||||
if (strict_strtoul(argv[4], 0, &err_exit) < 0)
|
||||
return CMD_RET_USAGE;
|
||||
|
||||
if (argc > 5)
|
||||
if (strict_strtoul(argv[5], 0, &loops) < 0)
|
||||
return CMD_RET_USAGE;
|
||||
|
||||
doing_memtester(arg, testenable, loops, err_exit);
|
||||
|
||||
printf("Done.\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
U_BOOT_CMD(memtester, 5, 1, do_memtester,
|
||||
U_BOOT_CMD(memtester, 6, 1, do_memtester,
|
||||
"do memtester",
|
||||
"[start length [testenable [loop]]]\n"
|
||||
"[start length [testenable err_exit [loop]]]\n"
|
||||
"start: start address, should be 4k align\n"
|
||||
"length: test length, should be 4k align, if 0 testing full space\n"
|
||||
"testenable[option]: enable pattern by set bit to 1, null or 0"
|
||||
|
|
@ -228,6 +216,7 @@ U_BOOT_CMD(memtester, 5, 1, do_memtester,
|
|||
" bit15: 8-bit Writes\n"
|
||||
" bit16: 16-bit Writes\n"
|
||||
" example: testenable=0x1000,enable Bit Flip only\n"
|
||||
"err_exit: if 1 stop testing immediately when finding error\n"
|
||||
"loop[option]: testing loop, if 0 or null endless loop\n"
|
||||
"example:\n"
|
||||
" memtester 0x200000 0x1000000: start address: 0x200000 length:"
|
||||
|
|
|
|||
|
|
@ -13,10 +13,15 @@
|
|||
* See other comments in that file.
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef _CMD_MEMTESTER_H
|
||||
#define _CMD_MEMTESTER_H
|
||||
#include <linux/types.h>
|
||||
|
||||
/* extern declarations. */
|
||||
|
||||
extern int use_phys;
|
||||
extern off_t physaddrbase;
|
||||
|
||||
int doing_memtester(unsigned long *arg, unsigned long testenable,
|
||||
unsigned long loops, unsigned long err_exit);
|
||||
#endif /* _CMD_MEMTESTER_H */
|
||||
|
|
|
|||
Loading…
Reference in New Issue