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/* uio_usbdebug - Run coreboot's usbdebug driver in userspace */
/* SPDX-License-Identifier: GPL-2.0-only */
#include <stdio.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/mman.h>
#include <pci/pci.h>
/* coreboot's arch/io.h conflicts with libc's sys/io.h, so declare this here: */
int ioperm(unsigned long from, unsigned long num, int turn_on);
#include <arch/io.h>
#include <console/usb.h>
void *ehci_bar;
struct pci_access *pci_access;
int main(int argc, char *argv[])
{
if (argc != 2) {
fprintf(stderr, "Usage: %s <uio-dev>\n", argv[0]);
return 1;
}
const int fd = open(argv[1], O_RDWR);
if (fd < 0) {
perror("Failed to open uio device");
return 2;
}
ehci_bar =
mmap(NULL, 1 << 8, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
if (MAP_FAILED == ehci_bar) {
perror("Failed to map ehci bar");
close(fd);
return 3;
}
ioperm(0x80, 1, 1);
pci_access = pci_alloc();
pci_init(pci_access);
usbdebug_init();
pci_cleanup(pci_access);
munmap(ehci_bar, 1 << 8);
close(fd);
return 0;
}
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