omap-usb-boot: Tool to communicate with OMAP devices bootroms via USB

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>

1 files changed, 79 insertions, 0 deletions

diff --git a/src/omap4.c b/src/omap4.c
new file mode 100644
index 0000000..629bb3a
--- /dev/null
+++ b/src/omap4.c
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2016 Paul Kocialkowski <contact@paulk.fr>
+ *
+ * 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, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <endian.h>
+
+#include "omap-usb-boot.h"
+#include "boot.h"
+#include "usb.h"
+#include "omap4.h"
+
+struct usb_device_id omap4_usb_device_ids[] = {
+	{ USB_VENDOR_TI, USB_DEVICE_OMAP4430 },
+	{ USB_VENDOR_TI, USB_DEVICE_OMAP4460 }
+};
+
+struct omap_boot_device omap4_boot_devices[] = {
+	{ "void",	0x00 },
+	{ "xip",	0x01 },
+	{ "xipwait",	0x02 },
+	{ "nand",	0x03 },
+	{ "onenand",	0x04 },
+	{ "mmc1",	0x05 },
+	{ "mmc2(1)",	0x06 },
+	{ "mmc2(2)",	0x07 },
+	{ "uart",	0x43 },
+	{ "usb1",	0x45 },
+	{ "usbulpi",	0x46 },
+	{ "usb2",	0x47 }
+};
+
+int omap4_boot_asic_id(struct context *context)
+{
+	struct omap4_asic_id asic_id;
+	uint32_t command;
+	int rc;
+
+	if (context == NULL)
+		return -1;
+
+	command = htole32(BOOT_ASIC_ID);
+
+	rc = usb_send(context, &command, sizeof(command));
+	if (rc < 0)
+		return -1;
+
+	rc = usb_recv(context, &asic_id, sizeof(asic_id));
+	if (rc < 0)
+		return -1;
+
+	if (context->verbose)
+		printf("ASIC device id: %04x, %s device\n", be16toh(asic_id.device_id.device), asic_id.crc.gp_blank == 0 ? "GP" : "HS");
+
+	return 0;
+}
+
+struct omap_description omap4_description = {
+	.name = "omap4",
+	.usb_device_ids = omap4_usb_device_ids,
+	.usb_device_ids_count = sizeof(omap4_usb_device_ids) / sizeof(struct usb_device_id),
+	.boot_devices = omap4_boot_devices,
+	.boot_devices_count = sizeof(omap4_boot_devices) / sizeof(struct omap_boot_device),
+	.boot_asic_id = omap4_boot_asic_id
+};