From: Simon Glass <sjg@chromium.org>
Date: Sun, 1 May 2016 19:52:44 +0000 (-0600)
Subject: dm: mmc: test: Add tests for MMC
X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=341392dd115f1385c31bb0b034ec15f542730e30;p=u-boot.git

dm: mmc: test: Add tests for MMC

Add a simple test which checks that a sandbox-emulated SD card can be used
correctly. This tests plumbing through the MMC stack's block-device
implementaion.

Signed-off-by: Simon Glass <sjg@chromium.org>
---

diff --git a/test/dm/Makefile b/test/dm/Makefile
index 8ec391b6a4..9a11ae0a14 100644
--- a/test/dm/Makefile
+++ b/test/dm/Makefile
@@ -21,9 +21,7 @@ obj-$(CONFIG_DM_ETH) += eth.o
 obj-$(CONFIG_DM_GPIO) += gpio.o
 obj-$(CONFIG_DM_I2C) += i2c.o
 obj-$(CONFIG_LED) += led.o
-
-# Disable temporarily
-# obj-$(CONFIG_DM_MMC) += mmc.o
+obj-$(CONFIG_DM_MMC) += mmc.o
 obj-$(CONFIG_DM_PCI) += pci.o
 obj-$(CONFIG_RAM) += ram.o
 obj-y += regmap.o
diff --git a/test/dm/mmc.c b/test/dm/mmc.c
index 046142322d..5bca4b79d5 100644
--- a/test/dm/mmc.c
+++ b/test/dm/mmc.c
@@ -25,3 +25,22 @@ static int dm_test_mmc_base(struct unit_test_state *uts)
 	return 0;
 }
 DM_TEST(dm_test_mmc_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+static int dm_test_mmc_blk(struct unit_test_state *uts)
+{
+	struct udevice *dev;
+	struct blk_desc *dev_desc;
+	char cmp[1024];
+
+	ut_assertok(uclass_get_device(UCLASS_MMC, 0, &dev));
+	ut_assertok(blk_get_device_by_str("mmc", "0", &dev_desc));
+
+	/* Read a few blocks and look for the string we expect */
+	ut_asserteq(512, dev_desc->blksz);
+	memset(cmp, '\0', sizeof(cmp));
+	ut_asserteq(2, blk_dread(dev_desc, 0, 2, cmp));
+	ut_assertok(strcmp(cmp, "this is a test"));
+
+	return 0;
+}
+DM_TEST(dm_test_mmc_blk, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);