[Qemu-devel] [PATCH 3/8] sdhci: add qtest to check the SD Spec version

["Philippe Mathieu-Daudé" <f4bug@amsat.org>]

read the HCVER register with check_specs_version()

Machines tested:
- Specs v2:
  smdkc210
- Specs v3:
  sabrelite
  raspi2
  xilinx-zynq-a9

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 tests/sdhci-test.c     | 74 ++++++++++++++++++++++++++++++++++++++++++++++++++
 tests/Makefile.include |  1 +
 2 files changed, 75 insertions(+)
 create mode 100644 tests/sdhci-test.c

diff --git a/tests/sdhci-test.c b/tests/sdhci-test.c
new file mode 100644
index 0000000000..4ebe1e349b
--- /dev/null
+++ b/tests/sdhci-test.c
@@ -0,0 +1,74 @@
+/*
+ * QTest testcase for SDHCI controllers
+ *
+ * Written by Philippe Mathieu-Daudé <f4bug@amsat.org>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+#include "qemu/osdep.h"
+#include "libqtest.h"
+
+#define SDHC_HCVER                      0xFE
+
+static const struct sdhci_t {
+    const char *arch;
+    const char *machine;
+    struct {
+        uintptr_t addr;
+        uint8_t version;
+    } sdhci;
+} models[] = {
+    { "arm",    "smdkc210",
+        {0x12510000, 2} },
+    { "arm",    "sabrelite",
+        {0x02190000, 3} },
+    { "arm",    "raspi2",           /* bcm2835 */
+        {0x3f300000, 3} },
+    { "arm",    "xilinx-zynq-a9",   /* exynos4210 */
+        {0xe0100000, 3} },
+};
+
+static uint32_t sdhci_readl(uintptr_t base, uint32_t reg_addr)
+{
+    QTestState *qtest = global_qtest;
+
+    return qtest_readl(qtest, base + reg_addr);
+}
+
+static void check_specs_version(uintptr_t addr, uint8_t version)
+{
+    uint32_t v;
+
+    v = sdhci_readl(addr, SDHC_HCVER);
+    v &= 0xff;
+    v += 1;
+    g_assert_cmpuint(v, ==, version);
+}
+
+static void test_machine(const void *data)
+{
+    const struct sdhci_t *test = data;
+
+    global_qtest = qtest_startf("-machine %s -d unimp", test->machine);
+
+    check_specs_version(test->sdhci.addr, test->sdhci.version);
+
+    qtest_quit(global_qtest);
+}
+
+int main(int argc, char *argv[])
+{
+    char *name;
+    int i;
+
+    g_test_init(&argc, &argv, NULL);
+
+    for (i = 0; i < ARRAY_SIZE(models); i++) {
+        name = g_strdup_printf("sdhci/%s", models[i].machine);
+        qtest_add_data_func(name, &models[i], test_machine);
+        g_free(name);
+    }
+
+    return g_test_run();
+}
diff --git a/tests/Makefile.include b/tests/Makefile.include
index 4a1afcb499..c6c0a91827 100644
--- a/tests/Makefile.include
+++ b/tests/Makefile.include
@@ -355,6 +355,7 @@ check-qtest-arm-y += tests/virtio-blk-test$(EXESUF)
 gcov-files-arm-y += arm-softmmu/hw/block/virtio-blk.c
 check-qtest-arm-y += tests/test-arm-mptimer$(EXESUF)
 gcov-files-arm-y += hw/timer/arm_mptimer.c
+check-qtest-arm-y += tests/sdhci-test$(EXESUF)
 check-qtest-arm-y += tests/sdcard_tests.py
 
 check-qtest-aarch64-y = tests/numa-test$(EXESUF)
-- 
2.15.1