mirror of
git://projects.qi-hardware.com/xburst-tools.git
synced 2024-11-01 10:15:19 +02:00
111 lines
2.8 KiB
C
111 lines
2.8 KiB
C
/*
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* JzBoot: an USB bootloader for JZ series of Ingenic(R) microprocessors.
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* Copyright (C) 2010 Sergey Gridassov <grindars@gmail.com>,
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* Peter Zotov <whitequark@whitequark.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "shell.h"
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#include "config.h"
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#include "ingenic.h"
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static int spl_memtest(int argc, char *argv[]);
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static int spl_gpio(int argc, char *argv[]);
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static int spl_boot(int argc, char *argv[]);
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const shell_command_t spl_cmdset[] = {
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{ "memtest", "[BASE <SIZE>] - SDRAM test", spl_memtest },
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{ "gpio", "<PIN> <STATE> - Set GPIO #PIN to STATE 0 or 1", spl_gpio },
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{ "boot", " - Load stage2 USB bootloader", spl_boot },
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{ NULL, NULL, NULL }
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};
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static int spl_load_stage1() {
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if(cfg_getenv("STAGE1_FILE") == NULL) {
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printf("Variable STAGE1_FILE is not set\n");
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return -1;
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}
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return ingenic_loadstage(shell_device(), INGENIC_STAGE1, cfg_getenv("STAGE1_FILE"));
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}
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static int spl_memtest(int argc, char *argv[]) {
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if(argc != 1 && argc != 3) {
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printf("Usage: %s [BASE <SIZE>]\n", argv[0]);
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}
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return spl_load_stage1(); // TODO
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}
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static int spl_gpio(int argc, char *argv[]) {
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if(argc != 3 || (strcmp(argv[2], "0") && strcmp(argv[2], "1"))) {
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printf("Usage: %s <PIN> <STATE>\n", argv[0]);
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printf(" STATE := 0 | 1\n");
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return -1;
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}
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char *old_debugops = strdup(cfg_getenv("DEBUGOPS")),
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*old_pinnum = strdup(cfg_getenv("PINNUM"));
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cfg_setenv("DEBUGOPS", (!strcmp(argv[2], "1")) ?
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SPL_DEBUG_GPIO_SET : SPL_DEBUG_GPIO_CLEAR);
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cfg_setenv("PINNUM", argv[1]);
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int ret = 0;
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ret = shell_execute("rebuildcfg");
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if(ret == -1)
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goto finally;
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ret = spl_load_stage1();
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finally:
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cfg_setenv("DEBUGOPS", old_debugops);
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cfg_setenv("PINNUM", old_pinnum);
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free(old_debugops);
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free(old_pinnum);
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return ret;
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}
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static int spl_boot(int argc, char *argv[]) {
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if(argc != 1) {
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printf("Usage: %s\n", argv[0]);
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}
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int ret;
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ret = spl_load_stage1();
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if(ret == -1)
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return -1;
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if(cfg_getenv("STAGE2_FILE") == NULL) {
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printf("Variable STAGE2_FILE is not set\n");
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return -1;
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}
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return ingenic_loadstage(shell_device(), INGENIC_STAGE2, cfg_getenv("STAGE2_FILE"));
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}
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