On Fri, Jan 7, 2022 at 2:26 PM Patrick Venture <vent...@google.com> wrote:
> From: Shengtan Mao <st...@google.com>
>
> Reviewed-by: Hao Wu <wuhao...@google.com>
> Reviewed-by: Chris Rauer <cra...@google.com>
> Signed-off-by: Shengtan Mao <st...@google.com>
> ---
> tests/qtest/meson.build | 1 +
> tests/qtest/npcm7xx_sdhci-test.c | 201 +++++++++++++++++++++++++++++++
> 2 files changed, 202 insertions(+)
> create mode 100644 tests/qtest/npcm7xx_sdhci-test.c
>
> diff --git a/tests/qtest/meson.build b/tests/qtest/meson.build
> index 37e1eaa449..b406eba8f6 100644
> --- a/tests/qtest/meson.build
> +++ b/tests/qtest/meson.build
> @@ -189,6 +189,7 @@ qtests_npcm7xx = \
> 'npcm7xx_gpio-test',
> 'npcm7xx_pwm-test',
> 'npcm7xx_rng-test',
> + 'npcm7xx_sdhci-test',
> 'npcm7xx_smbus-test',
> 'npcm7xx_timer-test',
> 'npcm7xx_watchdog_timer-test'] + \
> diff --git a/tests/qtest/npcm7xx_sdhci-test.c
> b/tests/qtest/npcm7xx_sdhci-test.c
> new file mode 100644
> index 0000000000..feb09b921a
> --- /dev/null
> +++ b/tests/qtest/npcm7xx_sdhci-test.c
> @@ -0,0 +1,201 @@
> +/*
> + * QTests for NPCM7xx SD-3.0 / MMC-4.51 Host Controller
> + *
> + * Copyright (c) 2021 Google LLC
> + *
> + * This program is free software; you can redistribute it and/or modify it
> + * under the terms of the GNU General Public License as published by the
> + * Free Software Foundation; either version 2 of the License, or
> + * (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful, but
> WITHOUT
> + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
> + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
> + * for more details.
> + */
> +
> +#include "qemu/osdep.h"
> +#include "hw/sd/npcm7xx_sdhci.h"
> +
> +#include "libqos/libqtest.h"
> +#include "libqtest-single.h"
> +#include "libqos/sdhci-cmd.h"
> +
> +#define NPCM7XX_MMC_BA 0xF0842000
> +#define NPCM7XX_BLK_SIZE 512
> +#define NPCM7XX_TEST_IMAGE_SIZE (1 << 30)
> +
> +char *sd_path;
> +
> +static QTestState *setup_sd_card(void)
> +{
> + QTestState *qts = qtest_initf(
> + "-machine kudo-bmc "
> + "-device sd-card,drive=drive0 "
> + "-drive id=drive0,if=none,file=%s,format=raw,auto-read-only=off",
> + sd_path);
> +
> + qtest_writew(qts, NPCM7XX_MMC_BA + SDHC_SWRST, SDHC_RESET_ALL);
> + qtest_writew(qts, NPCM7XX_MMC_BA + SDHC_CLKCON,
> + SDHC_CLOCK_SDCLK_EN | SDHC_CLOCK_INT_STABLE |
> + SDHC_CLOCK_INT_EN);
> + sdhci_cmd_regs(qts, NPCM7XX_MMC_BA, 0, 0, 0, 0, SDHC_APP_CMD);
> + sdhci_cmd_regs(qts, NPCM7XX_MMC_BA, 0, 0, 0x41200000, 0, (41 << 8));
> + sdhci_cmd_regs(qts, NPCM7XX_MMC_BA, 0, 0, 0, 0, SDHC_ALL_SEND_CID);
> + sdhci_cmd_regs(qts, NPCM7XX_MMC_BA, 0, 0, 0, 0,
> SDHC_SEND_RELATIVE_ADDR);
> + sdhci_cmd_regs(qts, NPCM7XX_MMC_BA, 0, 0, 0x45670000, 0,
> + SDHC_SELECT_DESELECT_CARD);
> +
> + return qts;
> +}
> +
> +static void write_sdread(QTestState *qts, const char *msg)
> +{
> + size_t len = strlen(msg);
> + char *rmsg = g_malloc(len);
> +
> + /* write message to sd */
> + int fd = open(sd_path, O_WRONLY);
> + int ret = write(fd, msg, len);
> + close(fd);
> + g_assert(ret == len);
> +
> + /* read message using sdhci */
> + ret = sdhci_read_cmd(qts, NPCM7XX_MMC_BA, rmsg, len);
> + g_assert(ret == len);
> + g_assert(!strcmp(rmsg, msg));
> +
> + free(rmsg);
> +}
> +
> +/* Check MMC can read values from sd */
> +static void test_read_sd(void)
> +{
> + QTestState *qts = setup_sd_card();
> +
> + write_sdread(qts, "hello world");
> + write_sdread(qts, "goodbye");
> +
> + qtest_quit(qts);
> +}
> +
> +static void sdwrite_read(QTestState *qts, const char *msg)
> +{
> + size_t len = strlen(msg);
> + char *rmsg = g_malloc(len);
> +
> + /* write message using sdhci */
> + sdhci_write_cmd(qts, NPCM7XX_MMC_BA, msg, len, NPCM7XX_BLK_SIZE);
> +
> + /* read message from sd */
> + int fd = open(sd_path, O_RDONLY);
> + int ret = read(fd, rmsg, len);
> + close(fd);
> + g_assert(ret == len);
> +
> + g_assert(!strcmp(rmsg, msg));
> +
> + free(rmsg);
> +}
> +
> +/* Check MMC can write values to sd */
> +static void test_write_sd(void)
> +{
> + QTestState *qts = setup_sd_card();
> +
> + sdwrite_read(qts, "hello world");
> + sdwrite_read(qts, "goodbye");
> +
> + qtest_quit(qts);
> +}
> +
> +/* Check SDHCI has correct default values. */
> +static void test_reset(void)
> +{
> + QTestState *qts = qtest_init("-machine kudo-bmc");
> +
> + uint64_t addr = NPCM7XX_MMC_BA;
> + uint64_t end_addr = addr + NPCM7XX_REG_SIZE;
> + uint16_t prstvals_resets[] = {NPCM7XX_PRSTVALS_0_RESET,
> + NPCM7XX_PRSTVALS_1_RESET,
> + 0,
> + NPCM7XX_PRSTVALS_3_RESET,
> + 0,
> + 0};
> + int i;
> + uint32_t mask;
> + while (addr < end_addr) {
> + switch (addr - NPCM7XX_MMC_BA) {
> + case SDHC_PRNSTS:
> + /* ignores bits 20 to 24: they are changed when reading
> registers */
> + mask = 0x1f00000;
> + g_assert_cmphex(qtest_readl(qts, addr) | mask, ==,
> + NPCM7XX_PRSNTS_RESET | mask);
> + addr += 4;
> + break;
> + case SDHC_BLKGAP:
> + g_assert_cmphex(qtest_readb(qts, addr), ==,
> NPCM7XX_BLKGAP_RESET);
> + addr += 1;
> + break;
> + case SDHC_CAPAB:
> + g_assert_cmphex(qtest_readq(qts, addr), ==,
> NPCM7XX_CAPAB_RESET);
> + addr += 8;
> + break;
> + case SDHC_MAXCURR:
> + g_assert_cmphex(qtest_readq(qts, addr), ==,
> NPCM7XX_MAXCURR_RESET);
> + addr += 8;
> + break;
> + case SDHC_HCVER:
> + g_assert_cmphex(qtest_readw(qts, addr), ==,
> NPCM7XX_HCVER_RESET);
> + addr += 2;
> + break;
> + case NPCM7XX_PRSTVALS:
> + for (i = 0; i < NPCM7XX_PRSTVALS_SIZE; ++i) {
> + g_assert_cmphex(qtest_readw(qts, addr + 2 * i), ==,
> + prstvals_resets[i]);
> + }
> + addr += NPCM7XX_PRSTVALS_SIZE * 2;
> + break;
> + default:
> + g_assert_cmphex(qtest_readb(qts, addr), ==, 0);
> + addr += 1;
> + }
> + }
> +
> + qtest_quit(qts);
> +}
> +
> +static void drive_destroy(void)
> +{
> + unlink(sd_path);
> + g_free(sd_path);
> +}
> +
> +static void drive_create(void)
> +{
> + int fd, ret;
> + sd_path = g_strdup("/tmp/qtest.XXXXXX");
> +
> + /* Create a temporary raw image */
> + fd = mkstemp(sd_path);
> + g_assert_cmpint(fd, >=, 0);
> + ret = ftruncate(fd, NPCM7XX_TEST_IMAGE_SIZE);
> + g_assert_cmpint(ret, ==, 0);
> + g_message("%s", sd_path);
> + close(fd);
> +}
> +
> +int main(int argc, char **argv)
> +{
> + drive_create();
> +
> + g_test_init(&argc, &argv, NULL);
> +
> + qtest_add_func("npcm7xx_sdhci/reset", test_reset);
> + qtest_add_func("npcm7xx_sdhci/write_sd", test_write_sd);
> + qtest_add_func("npcm7xx_sdhci/read_sd", test_read_sd);
> +
> + int ret = g_test_run();
> + drive_destroy();
> + return ret;
> +}
>
+ Peter for ARM maintainers list.
> --
> 2.34.1.575.g55b058a8bb-goog
>
>
