From 15ea4dcaecdf2e65a79d78a3fd4fd500addfc7cc Mon Sep 17 00:00:00 2001 From: Paul Kocialkowski Date: Tue, 23 Feb 2016 23:06:07 +0100 Subject: omap-usb-boot: Tool to communicate with OMAP devices bootroms via USB Signed-off-by: Paul Kocialkowski --- src/boot.c | 112 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 112 insertions(+) create mode 100644 src/boot.c (limited to 'src/boot.c') 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 + * + * 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 . + */ + +#include + +#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; +} -- cgit v1.2.3