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Diffstat (limited to 'util/uio_usbdebug/uio_usbdebug.c')
-rw-r--r--util/uio_usbdebug/uio_usbdebug.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/util/uio_usbdebug/uio_usbdebug.c b/util/uio_usbdebug/uio_usbdebug.c
new file mode 100644
index 0000000000..e2836fc3b1
--- /dev/null
+++ b/util/uio_usbdebug/uio_usbdebug.c
@@ -0,0 +1,67 @@
+/*
+ * uio_usbdebug - Run coreboot's usbdebug driver in userspace
+ *
+ * Copyright (C) 2013 Nico Huber <nico.h@gmx.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#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;
+}