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

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

1 files changed, 112 insertions, 0 deletions

diff --git a/src/boot.c b/src/boot.c
new file mode 100644
index 0000000..9181d5e
--- /dev/null
+++ b/src/boot.c
@@ -0,0 +1,112 @@
+/*
+ * 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 "omap-usb-boot.h"
+#include "boot.h"
+#include "usb.h"
+
+int boot_peripheral(struct context *context, size_t length)
+{
+	uint32_t command;
+	int rc;
+
+	if (context == NULL)
+		return -1;
+
+	command = htole32(BOOT_PERIPHERAL);
+
+	rc = usb_send(context, &command, sizeof(command));
+	if (rc < 0)
+		return -1;
+
+	command = htole32((uint32_t) length);
+
+	rc = usb_send(context, &command, sizeof(command));
+	if (rc < 0)
+		return -1;
+
+	return 0;
+}
+
+int boot_asic_id(struct context *context)
+{
+	int rc;
+
+	if (context == NULL || context->description == NULL)
+		return -1;
+
+	if (context->description->boot_asic_id != NULL) {
+		rc = context->description->boot_asic_id(context);
+		if (rc < 0)
+			return -1;
+	}
+
+	return 0;
+}
+
+int boot_device(struct context *context, uint8_t value)
+{
+	uint32_t command;
+	int rc;
+
+	if (context == NULL)
+		return -1;
+
+	command = htole32(BOOT_DEVICE | (value << 8));
+
+	rc = usb_send(context, &command, sizeof(command));
+	if (rc < 0)
+		return -1;
+
+	return 0;
+}
+
+int boot_next(struct context *context)
+{
+	uint32_t command;
+	int rc;
+
+	if (context == NULL)
+		return -1;
+
+	command = htole32(BOOT_NEXT);
+
+	rc = usb_send(context, &command, sizeof(command));
+	if (rc < 0)
+		return -1;
+
+	return 0;
+}
+
+int boot_memory(struct context *context)
+{
+	uint32_t command;
+	int rc;
+
+	if (context == NULL)
+		return -1;
+
+	command = htole32(BOOT_MEMORY);
+
+	rc = usb_send(context, &command, sizeof(command));
+	if (rc < 0)
+		return -1;
+
+	return 0;
+}