[PATCH qemu 16/38] aspeed/smc: add tests for Command mode
Joel Stanley
joel at jms.id.au
Mon Nov 21 18:25:37 AEDT 2016
On Sat, Nov 19, 2016 at 12:51 AM, Cédric Le Goater <clg at kaod.org> wrote:
> 0005 tests add a read_page_mem test
This looks like something went wrong
>
> Signed-off-by: Cédric Le Goater <clg at kaod.org>
> ---
> tests/m25p80-test.c | 86 +++++++++++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 86 insertions(+)
>
> diff --git a/tests/m25p80-test.c b/tests/m25p80-test.c
> index cb7ec81f1a6d..3d449bd194a9 100644
> --- a/tests/m25p80-test.c
> +++ b/tests/m25p80-test.c
> @@ -36,6 +36,9 @@
> #define CRTL_EXTENDED0 0 /* 32 bit addressing for SPI */
> #define R_CTRL0 0x10
> #define CTRL_CE_STOP_ACTIVE (1 << 2)
> +#define CTRL_READMODE 0x0
> +#define CTRL_FREADMODE 0x1
> +#define CTRL_WRITEMODE 0x2
> #define CTRL_USERMODE 0x3
>
> #define ASPEED_FMC_BASE 0x1E620000
> @@ -76,6 +79,22 @@ static void spi_conf(uint32_t value)
> writel(ASPEED_FMC_BASE + R_CONF, conf);
> }
>
> +static void spi_ce_ctrl(uint32_t value)
> +{
> + uint32_t conf = readl(ASPEED_FMC_BASE + R_CE_CTRL);
> +
> + conf |= value;
> + writel(ASPEED_FMC_BASE + R_CE_CTRL, conf);
> +}
> +
> +static void spi_ctrl_setmode(uint8_t mode, uint8_t cmd)
> +{
> + uint32_t ctrl = readl(ASPEED_FMC_BASE + R_CTRL0);
> + ctrl &= ~(CTRL_USERMODE | 0xff << 16);
> + ctrl |= mode | (cmd << 16);
> + writel(ASPEED_FMC_BASE + R_CTRL0, ctrl);
> +}
> +
> static void spi_ctrl_start_user(void)
> {
> uint32_t ctrl = readl(ASPEED_FMC_BASE + R_CTRL0);
> @@ -128,6 +147,18 @@ static void read_page(uint32_t addr, uint32_t *page)
> spi_ctrl_stop_user();
> }
>
> +static void read_page_mem(uint32_t addr, uint32_t *page)
> +{
> + int i;
> +
> + /* move out USER mode to use direct reads from the AHB bus */
> + spi_ctrl_setmode(CTRL_READMODE, READ);
> +
> + for (i = 0; i < PAGE_SIZE / 4; i++) {
> + page[i] = make_be32(readl(ASPEED_FLASH_BASE + addr + i * 4));
> + }
> +}
> +
> static void test_erase_sector(void)
> {
> uint32_t some_page_addr = 0x600 * PAGE_SIZE;
> @@ -195,6 +226,7 @@ static void test_write_page(void)
>
> spi_ctrl_start_user();
> writeb(ASPEED_FLASH_BASE, EN_4BYTE_ADDR);
> + writeb(ASPEED_FLASH_BASE, WREN);
> writeb(ASPEED_FLASH_BASE, PP);
> writel(ASPEED_FLASH_BASE, make_be32(my_page_addr));
>
> @@ -217,6 +249,58 @@ static void test_write_page(void)
> }
> }
>
> +static void test_read_page_mem(void)
> +{
> + uint32_t my_page_addr = 0x14000 * PAGE_SIZE; /* beyond 16MB */
> + uint32_t some_page_addr = 0x15000 * PAGE_SIZE;
> + uint32_t page[PAGE_SIZE / 4];
> + int i;
> +
> + /* Enable 4BYTE mode for flash. This is should be strapped by HW
> + * for CE0 anyhow.
> + */
> + spi_ce_ctrl(1 << CRTL_EXTENDED0);
> +
> + /* Check what was written */
> + read_page_mem(my_page_addr, page);
> + for (i = 0; i < PAGE_SIZE / 4; i++) {
> + g_assert_cmphex(page[i], ==, my_page_addr + i * 4);
> + }
> +
> + /* Check some other page. It should be full of 0xff */
> + read_page_mem(some_page_addr, page);
> + for (i = 0; i < PAGE_SIZE / 4; i++) {
> + g_assert_cmphex(page[i], ==, 0xffffffff);
> + }
> +}
> +
> +static void test_write_page_mem(void)
> +{
> + uint32_t my_page_addr = 0x15000 * PAGE_SIZE;
> + uint32_t page[PAGE_SIZE / 4];
> + int i;
> +
> + /* Enable 4BYTE mode for flash. This is should be strapped by HW
> + * for CE0 anyhow.
> + */
> + spi_ce_ctrl(1 << CRTL_EXTENDED0);
> +
> + /* move out USER mode to use direct writes to the AHB bus */
> + spi_ctrl_setmode(CTRL_WRITEMODE, PP);
> +
> + for (i = 0; i < PAGE_SIZE / 4; i++) {
> + writel(ASPEED_FLASH_BASE + my_page_addr + i * 4,
> + make_be32(my_page_addr + i * 4));
> + }
> +
> + /* Check what was written */
> + read_page_mem(my_page_addr, page);
> + for (i = 0; i < PAGE_SIZE / 4; i++) {
> + g_assert_cmphex(page[i], ==, my_page_addr + i * 4);
> + }
> +}
> +
> +
> static char tmp_path[] = "/tmp/qtest.m25p80.XXXXXX";
>
> int main(int argc, char **argv)
> @@ -242,6 +326,8 @@ int main(int argc, char **argv)
> qtest_add_func("/m25p80/erase_sector", test_erase_sector);
> qtest_add_func("/m25p80/erase_all", test_erase_all);
> qtest_add_func("/m25p80/write_page", test_write_page);
> + qtest_add_func("/m25p80/read_page_mem", test_read_page_mem);
> + qtest_add_func("/m25p80/write_page_mem", test_write_page_mem);
>
> ret = g_test_run();
>
> --
> 2.7.4
>
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