mirror of
git://projects.qi-hardware.com/xburst-tools.git
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129 lines
3.3 KiB
C
129 lines
3.3 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 <errno.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(shell_context_t *ctx, int argc, char *argv[]);
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static int spl_gpio(shell_context_t *ctx, int argc, char *argv[]);
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static int spl_boot(shell_context_t *ctx, int argc, char *argv[]);
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const shell_command_t spl_cmdset[] = {
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{ "memtest", "SDRAM test", spl_memtest, "[BASE] <SIZE>" },
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{ "gpio", "Set GPIO #PIN to STATE 0 or 1", spl_gpio, "<PIN> <STATE>" },
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{ "boot", "Load stage2 USB bootloader", spl_boot, NULL },
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{ NULL, NULL, NULL, NULL }
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};
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static int spl_stage1_op(shell_context_t *ctx, uint32_t op, uint32_t pin, uint32_t base, uint32_t size) {
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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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int ret = ingenic_stage1_debugop(shell_device(ctx), cfg_getenv("STAGE1_FILE"), op, pin, base, size);
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if(ret == -1)
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perror("ingenic_stage1_debugop");
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return ret;
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}
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static int spl_memtest(shell_context_t *ctx, int argc, char *argv[]) {
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uint32_t start, size;
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if(argc == 3) {
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start = strtoul(argv[1], NULL, 0);
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size = strtoul(argv[2], NULL, 0);
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} else {
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start = SDRAM_BASE;
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size = ingenic_sdram_size(shell_device(ctx));
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}
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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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uint32_t fail;
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int ret = ingenic_memtest(shell_device(ctx), cfg_getenv("STAGE1_FILE"), start, size, &fail);
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if(ret == -1) {
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if(errno == EFAULT) {
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printf("Memory test failed at address 0x%08X\n", fail);
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} else {
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perror("ingenic_memtest");
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}
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} else {
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printf("Memory test passed\n");
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}
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return ret;
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}
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static int spl_gpio(shell_context_t *ctx, int argc, char *argv[]) {
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if(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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return spl_stage1_op(ctx, !strcmp(argv[2], "1") ? STAGE1_DEBUG_GPIO_SET : STAGE1_DEBUG_GPIO_CLEAR, atoi(argv[1]), 0, 0);
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}
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static int spl_boot(shell_context_t *ctx, int argc, char *argv[]) {
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int ret = spl_stage1_op(ctx, STAGE1_DEBUG_BOOT, 0, 0, 0);
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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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ret = ingenic_loadstage(shell_device(ctx), INGENIC_STAGE2, cfg_getenv("STAGE2_FILE"));
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if(ret == -1) {
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perror("ingenic_loadstage");
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return -1;
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}
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ret = ingenic_configure_stage2(shell_device(ctx));
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if(ret == -1)
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perror("ingenic_configure_stage2");
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return ret;
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}
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