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/*
* 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);
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