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rockchip: test: emmc: add read/write count for emmc test 

Usually, we test the eMMC speed by reading and writing several times
and then taking the average. So add parameter count.

Change-Id: I0a01804b4b35b4a6d9dc8c96ac2bce6a4607301b
Signed-off-by: Jason Zhu <jason.zhu@rock-chips.com>
This commit is contained in:
Jason Zhu 2018-10-17 16:46:20 +08:00 committed by Jianhong Chen
parent 5d8287bf26
commit cb0376d1ac
1 changed files with 19 additions and 27 deletions
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46
test/rockchip/test-emmc.c
View File

@ -4,9 +4,9 @@
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
#include <cli.h>
#include <common.h>
#include <linux/compat.h>
#include <malloc.h>
#include "test-rockchip.h"
@ -14,13 +14,13 @@
int board_emmc_test(int argc, char * const argv[])
{
u8 *write_buffer, *read_buffer;
u32 i, blocks = 0, lba;
u32 i, blocks = 0, count = 0, lba;
unsigned long ts;
int err = 0;
char cmd_mmc[512] = {0};
if (argc < 4) {
printf("Usage: rktest emmc start_lba blocks\n");
if (argc < 5) {
printf("Usage: rktest emmc start_lba blocks count\n");
printf("blocks should be from 8129 to 30000\n");
err = -EINVAL;
goto err_wb;
@ -28,23 +28,13 @@ int board_emmc_test(int argc, char * const argv[])
lba = simple_strtoul(argv[2], NULL, 0);
blocks = simple_strtoul(argv[3], NULL, 0);
count = simple_strtoul(argv[4], NULL, 0);
if (blocks % 2)
/* Round up */
blocks += 1;
if (blocks < 8192) {
printf("Round up to 8192 blocks compulsively\n");
blocks = 8192;
}
if (blocks > 30000) {
printf("Round down to 30000 blocks compulsively\n");
blocks = 30000;
}
/* 1. Prepare memory */
write_buffer = (u8 *)kmalloc(sizeof(u8) * blocks * 512, GFP_KERNEL);
if (!write_buffer) {
printf("No memory for write_buffer!\n");
@ -64,29 +54,31 @@ int board_emmc_test(int argc, char * const argv[])
read_buffer[i] = 0;
}
/* 2. Prepare and start cli command */
/* 2. Prepare and start mmc write/read */
snprintf(cmd_mmc, sizeof(cmd_mmc), "mmc write 0x%x 0x%x 0x%x",
(u32)(ulong)write_buffer, lba, blocks);
ts = get_timer(0);
err = cli_simple_run_command(cmd_mmc, 0);
ts = get_timer(0) - ts;
if (!err)
goto err_mw;
for (i = 0; i < count; i++) {
err = cli_simple_run_command(cmd_mmc, 0);
if (!err)
goto err_mw;
}
ts = get_timer(0) - ts;
printf("eMMC write: size %dMB, used %ldms, speed %ldMB/s\n",
blocks / 2048, ts, (blocks >> 1) / ts);
blocks * count / 2048, ts, (blocks * count >> 1) / ts);
snprintf(cmd_mmc, sizeof(cmd_mmc), "mmc read 0x%x 0x%x 0x%x",
(u32)(ulong)read_buffer, lba, blocks);
ts = get_timer(0);
err = cli_simple_run_command(cmd_mmc, 0);
for (i = 0; i < count; i++) {
err = cli_simple_run_command(cmd_mmc, 0);
if (!err)
goto err_mw;
}
ts = get_timer(0) - ts;
if (!err)
goto err_mw;
printf("eMMC read: size %dMB, used %ldms, speed %ldMB/s\n",
blocks / 2048, ts, (blocks >> 1) / ts);
blocks * count / 2048, ts, (blocks * count >> 1) / ts);
/* 3. Verify the context */