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// SPDX-License-Identifier: GPL-2.0-or-later
// SPDX-FileCopyrightText: Copyright (c) 2020 Ahmad Fatoum, Pengutronix
/*
* ISA driver entry point for VGA with the Bochs VBE / QEMU stdvga extensions.
*/
#include <common.h>
#include <driver.h>
#include <linux/ioport.h>
#include "bochs_hw.h"
static int bochs_isa_detect(void)
{
struct device_d *dev;
int ret;
outw(0, VBE_DISPI_IOPORT_INDEX);
ret = inw(VBE_DISPI_IOPORT_DATA);
if ((ret & 0xB0C0) != 0xB0C0)
return -ENODEV;
dev = device_alloc("bochs-dispi", 0);
ret = platform_device_register(dev);
if (ret)
return ret;
return bochs_hw_probe(dev, (void *)0xe0000000, NULL);
}
device_initcall(bochs_isa_detect);
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