Add qemu 2.4.0
[kvmfornfv.git] / qemu / roms / u-boot / test / dm / test-fdt.c
diff --git a/qemu/roms/u-boot/test/dm/test-fdt.c b/qemu/roms/u-boot/test/dm/test-fdt.c
new file mode 100644 (file)
index 0000000..e1d982f
--- /dev/null
@@ -0,0 +1,144 @@
+/*
+ * Copyright (c) 2013 Google, Inc
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <errno.h>
+#include <fdtdec.h>
+#include <malloc.h>
+#include <asm/io.h>
+#include <dm/test.h>
+#include <dm/root.h>
+#include <dm/ut.h>
+#include <dm/uclass-internal.h>
+#include <dm/util.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static int testfdt_drv_ping(struct device *dev, int pingval, int *pingret)
+{
+       const struct dm_test_pdata *pdata = dev->platdata;
+       struct dm_test_priv *priv = dev_get_priv(dev);
+
+       *pingret = pingval + pdata->ping_add;
+       priv->ping_total += *pingret;
+
+       return 0;
+}
+
+static const struct test_ops test_ops = {
+       .ping = testfdt_drv_ping,
+};
+
+static int testfdt_ofdata_to_platdata(struct device *dev)
+{
+       struct dm_test_pdata *pdata = dev_get_platdata(dev);
+
+       pdata->ping_add = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
+                                       "ping-add", -1);
+       pdata->base = fdtdec_get_addr(gd->fdt_blob, dev->of_offset, "reg");
+
+       return 0;
+}
+
+static int testfdt_drv_probe(struct device *dev)
+{
+       struct dm_test_priv *priv = dev_get_priv(dev);
+
+       priv->ping_total += DM_TEST_START_TOTAL;
+
+       return 0;
+}
+
+static const struct device_id testfdt_ids[] = {
+       {
+               .compatible = "denx,u-boot-fdt-test",
+               .data = DM_TEST_TYPE_FIRST },
+       {
+               .compatible = "google,another-fdt-test",
+               .data = DM_TEST_TYPE_SECOND },
+       { }
+};
+
+U_BOOT_DRIVER(testfdt_drv) = {
+       .name   = "testfdt_drv",
+       .of_match       = testfdt_ids,
+       .id     = UCLASS_TEST_FDT,
+       .ofdata_to_platdata = testfdt_ofdata_to_platdata,
+       .probe  = testfdt_drv_probe,
+       .ops    = &test_ops,
+       .priv_auto_alloc_size = sizeof(struct dm_test_priv),
+       .platdata_auto_alloc_size = sizeof(struct dm_test_pdata),
+};
+
+/* From here is the testfdt uclass code */
+int testfdt_ping(struct device *dev, int pingval, int *pingret)
+{
+       const struct test_ops *ops = device_get_ops(dev);
+
+       if (!ops->ping)
+               return -ENOSYS;
+
+       return ops->ping(dev, pingval, pingret);
+}
+
+UCLASS_DRIVER(testfdt) = {
+       .name           = "testfdt",
+       .id             = UCLASS_TEST_FDT,
+};
+
+/* Test that FDT-based binding works correctly */
+static int dm_test_fdt(struct dm_test_state *dms)
+{
+       const int num_drivers = 3;
+       struct device *dev;
+       struct uclass *uc;
+       int ret;
+       int i;
+
+       ret = dm_scan_fdt(gd->fdt_blob);
+       ut_assert(!ret);
+
+       ret = uclass_get(UCLASS_TEST_FDT, &uc);
+       ut_assert(!ret);
+
+       /* These are num_drivers compatible root-level device tree nodes */
+       ut_asserteq(num_drivers, list_count_items(&uc->dev_head));
+
+       /* Each should have no platdata / priv */
+       for (i = 0; i < num_drivers; i++) {
+               ret = uclass_find_device(UCLASS_TEST_FDT, i, &dev);
+               ut_assert(!ret);
+               ut_assert(!dev_get_priv(dev));
+               ut_assert(!dev->platdata);
+       }
+
+       /*
+        * Now check that the ping adds are what we expect. This is using the
+        * ping-add property in each node.
+        */
+       for (i = 0; i < num_drivers; i++) {
+               uint32_t base;
+
+               ret = uclass_get_device(UCLASS_TEST_FDT, i, &dev);
+               ut_assert(!ret);
+
+               /*
+                * Get the 'reg' property, which tells us what the ping add
+                * should be. We don't use the platdata because we want
+                * to test the code that sets that up (testfdt_drv_probe()).
+                */
+               base = fdtdec_get_addr(gd->fdt_blob, dev->of_offset, "reg");
+               debug("dev=%d, base=%d: %s\n", i, base,
+                     fdt_get_name(gd->fdt_blob, dev->of_offset, NULL));
+
+               ut_assert(!dm_check_operations(dms, dev, base,
+                                              dev_get_priv(dev)));
+       }
+
+       return 0;
+}
+DM_TEST(dm_test_fdt, 0);