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// SPDX-License-Identifier: GPL-2.0+
/*
* Qualcomm Generic Interface (GENI) Serial Engine (SE) Wrapper
*
* Copyright (C) 2023 Linaro Ltd. <vladimir.zapolskiy@linaro.org>
*/
#include <common.h>
#include <dm.h>
#include <misc.h>
#include <asm/io.h>
static int geni_se_qup_read(struct udevice *dev, int offset,
void *buf, int size)
{
fdt_addr_t base = dev_read_addr(dev);
if (size != sizeof(u32))
return -EINVAL;
*(u32 *)buf = readl(base + offset);
return size;
}
static struct misc_ops geni_se_qup_ops = {
.read = geni_se_qup_read,
};
static const struct udevice_id geni_se_qup_ids[] = {
{ .compatible = "qcom,geni-se-qup" },
{}
};
U_BOOT_DRIVER(geni_se_qup) = {
.name = "geni_se_qup",
.id = UCLASS_MISC,
.of_match = geni_se_qup_ids,
.ops = &geni_se_qup_ops,
.flags = DM_FLAG_PRE_RELOC,
};
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