mirror of
https://source.denx.de/u-boot/u-boot.git
synced 2025-12-23 18:32:07 +01:00
9ab7163710
Add a test suite exercising the whole lifetime and callbacks of interconnect with a fake 5 providers with a split node graph. The test suite checks the calculus are right and goes to the correct nodes, and the lifetime of the node is correct. Link: https://patch.msgid.link/20251120-topic-interconnect-next-v5-2-e8a82720da5d@linaro.org Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
90 lines
1.8 KiB
C
90 lines
1.8 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Copyright (c) 2025 Linaro Limited
|
|
*/
|
|
|
|
#include <dm.h>
|
|
#include <malloc.h>
|
|
#include <interconnect.h>
|
|
#include <asm/io.h>
|
|
#include <linux/err.h>
|
|
|
|
struct sandbox_interconnect_test {
|
|
struct icc_path *path;
|
|
};
|
|
|
|
int sandbox_interconnect_test_get(struct udevice *dev, char *name)
|
|
{
|
|
struct sandbox_interconnect_test *priv = dev_get_priv(dev);
|
|
|
|
priv->path = of_icc_get(dev, name);
|
|
if (IS_ERR(priv->path))
|
|
return PTR_ERR(priv->path);
|
|
|
|
if (!priv->path)
|
|
return -ENOSYS;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int sandbox_interconnect_test_get_index(struct udevice *dev, int index)
|
|
{
|
|
struct sandbox_interconnect_test *priv = dev_get_priv(dev);
|
|
|
|
priv->path = of_icc_get_by_index(dev, index);
|
|
if (IS_ERR(priv->path))
|
|
return PTR_ERR(priv->path);
|
|
|
|
if (!priv->path)
|
|
return -ENOSYS;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int sandbox_interconnect_test_enable(struct udevice *dev)
|
|
{
|
|
struct sandbox_interconnect_test *priv = dev_get_priv(dev);
|
|
|
|
return icc_enable(priv->path);
|
|
}
|
|
|
|
int sandbox_interconnect_test_disable(struct udevice *dev)
|
|
{
|
|
struct sandbox_interconnect_test *priv = dev_get_priv(dev);
|
|
|
|
return icc_disable(priv->path);
|
|
}
|
|
|
|
int sandbox_interconnect_test_set_bw(struct udevice *dev, u32 avg_bw, u32 peak_bw)
|
|
{
|
|
struct sandbox_interconnect_test *priv = dev_get_priv(dev);
|
|
|
|
return icc_set_bw(priv->path, avg_bw, peak_bw);
|
|
}
|
|
|
|
int sandbox_interconnect_test_put(struct udevice *dev)
|
|
{
|
|
struct sandbox_interconnect_test *priv = dev_get_priv(dev);
|
|
int ret;
|
|
|
|
ret = icc_put(priv->path);
|
|
if (ret)
|
|
return ret;
|
|
|
|
priv->path = NULL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct udevice_id sandbox_interconnect_test_ids[] = {
|
|
{ .compatible = "sandbox,interconnect-test" },
|
|
{ }
|
|
};
|
|
|
|
U_BOOT_DRIVER(sandbox_interconnect_test) = {
|
|
.name = "sandbox_interconnect_test",
|
|
.id = UCLASS_MISC,
|
|
.of_match = sandbox_interconnect_test_ids,
|
|
.priv_auto = sizeof(struct sandbox_interconnect_test),
|
|
};
|