upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
133 lines
2.6 KiB
133 lines
2.6 KiB
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* (C) Copyright 2018
|
|
* Mario Six, Guntermann & Drunck GmbH, mario.six@gdsys.cc
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <dm.h>
|
|
#include <misc.h>
|
|
|
|
struct misc_sandbox_priv {
|
|
u8 mem[128];
|
|
ulong last_ioctl;
|
|
bool enabled;
|
|
};
|
|
|
|
int misc_sandbox_read(struct udevice *dev, int offset, void *buf, int size)
|
|
{
|
|
struct misc_sandbox_priv *priv = dev_get_priv(dev);
|
|
|
|
memcpy(buf, priv->mem + offset, size);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int misc_sandbox_write(struct udevice *dev, int offset, const void *buf,
|
|
int size)
|
|
{
|
|
struct misc_sandbox_priv *priv = dev_get_priv(dev);
|
|
|
|
memcpy(priv->mem + offset, buf, size);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int misc_sandbox_ioctl(struct udevice *dev, unsigned long request, void *buf)
|
|
{
|
|
struct misc_sandbox_priv *priv = dev_get_priv(dev);
|
|
|
|
priv->last_ioctl = request;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int misc_sandbox_call(struct udevice *dev, int msgid, void *tx_msg,
|
|
int tx_size, void *rx_msg, int rx_size)
|
|
{
|
|
struct misc_sandbox_priv *priv = dev_get_priv(dev);
|
|
|
|
if (msgid == 0) {
|
|
int num = *(int *)tx_msg;
|
|
|
|
switch (num) {
|
|
case 0:
|
|
strncpy(rx_msg, "Zero", rx_size);
|
|
break;
|
|
case 1:
|
|
strncpy(rx_msg, "One", rx_size);
|
|
break;
|
|
case 2:
|
|
strncpy(rx_msg, "Two", rx_size);
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
if (msgid == 1) {
|
|
int num = *(int *)tx_msg;
|
|
|
|
switch (num) {
|
|
case 0:
|
|
strncpy(rx_msg, "Forty", rx_size);
|
|
break;
|
|
case 1:
|
|
strncpy(rx_msg, "Forty-one", rx_size);
|
|
break;
|
|
case 2:
|
|
strncpy(rx_msg, "Forty-two", rx_size);
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
if (msgid == 2)
|
|
memcpy(rx_msg, &priv->last_ioctl, sizeof(priv->last_ioctl));
|
|
|
|
if (msgid == 3)
|
|
memcpy(rx_msg, &priv->enabled, sizeof(priv->enabled));
|
|
|
|
return 0;
|
|
}
|
|
|
|
int misc_sandbox_set_enabled(struct udevice *dev, bool val)
|
|
{
|
|
struct misc_sandbox_priv *priv = dev_get_priv(dev);
|
|
|
|
priv->enabled = !priv->enabled;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct misc_ops misc_sandbox_ops = {
|
|
.read = misc_sandbox_read,
|
|
.write = misc_sandbox_write,
|
|
.ioctl = misc_sandbox_ioctl,
|
|
.call = misc_sandbox_call,
|
|
.set_enabled = misc_sandbox_set_enabled,
|
|
};
|
|
|
|
int misc_sandbox_probe(struct udevice *dev)
|
|
{
|
|
struct misc_sandbox_priv *priv = dev_get_priv(dev);
|
|
|
|
priv->enabled = true;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct udevice_id misc_sandbox_ids[] = {
|
|
{ .compatible = "sandbox,misc_sandbox" },
|
|
{ }
|
|
};
|
|
|
|
U_BOOT_DRIVER(misc_sandbox) = {
|
|
.name = "misc_sandbox",
|
|
.id = UCLASS_MISC,
|
|
.ops = &misc_sandbox_ops,
|
|
.of_match = misc_sandbox_ids,
|
|
.probe = misc_sandbox_probe,
|
|
.priv_auto_alloc_size = sizeof(struct misc_sandbox_priv),
|
|
};
|
|
|