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				https://github.com/smaeul/u-boot.git
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	As part of bringing the master branch back in to next, we need to allow for all of these changes to exist here. Reported-by: Jonas Karlman <jonas@kwiboo.se> Signed-off-by: Tom Rini <trini@konsulko.com>
		
			
				
	
	
		
			121 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			121 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
// SPDX-License-Identifier: GPL-2.0+
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/*
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 * Copyright (C) 2012 Boundary Devices Inc.
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 */
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#include <linux/errno.h>
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#include <asm/io.h>
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#include <asm/mach-imx/boot_mode.h>
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#include <malloc.h>
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#include <command.h>
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static const struct boot_mode *modes[2];
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static const struct boot_mode *search_modes(char *arg)
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{
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	int i;
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	for (i = 0; i < ARRAY_SIZE(modes); i++) {
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		const struct boot_mode *p = modes[i];
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		if (p) {
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			while (p->name) {
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				if (!strcmp(p->name, arg))
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					return p;
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				p++;
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			}
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		}
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	}
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	return NULL;
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}
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static int create_usage(char *dest)
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{
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	int i;
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	int size = 0;
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	for (i = 0; i < ARRAY_SIZE(modes); i++) {
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		const struct boot_mode *p = modes[i];
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		if (p) {
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			while (p->name) {
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				int len = strlen(p->name);
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				if (dest) {
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					memcpy(dest, p->name, len);
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					dest += len;
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					*dest++ = '|';
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				}
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				size += len + 1;
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				p++;
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			}
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		}
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	}
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	if (dest)
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		memcpy(dest - 1, " [noreset]", 11);	/* include trailing 0 */
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	size += 10;
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	if (dest)
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		memcpy(dest - 1, "\nbmode - getprisec", 19);
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	size += 18;
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	return size;
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}
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__weak int boot_mode_getprisec(void)
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{
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	return 0;
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}
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static int do_boot_mode(struct cmd_tbl *cmdtp, int flag, int argc,
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			char *const argv[])
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{
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	const struct boot_mode *p;
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	int reset_requested = 1;
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	if (argc < 2)
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		return CMD_RET_USAGE;
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	if (!strcmp(argv[1], "getprisec"))
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		return boot_mode_getprisec();
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	p = search_modes(argv[1]);
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	if (!p)
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		return CMD_RET_USAGE;
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	if (argc == 3) {
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		if (strcmp(argv[2], "noreset"))
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			return CMD_RET_USAGE;
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		reset_requested = 0;
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	}
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/* No longer applicable to i.MX8M */
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#if IS_ENABLED(CONFIG_MX53) || IS_ENABLED(CONFIG_MX6) || IS_ENABLED(CONFIG_MX7)
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	boot_mode_apply(p->cfg_val);
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#endif
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	if (reset_requested && p->cfg_val)
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		do_reset(NULL, 0, 0, NULL);
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	return 0;
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}
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U_BOOT_CMD(
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	bmode, 3, 0, do_boot_mode,
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	NULL,
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	"");
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void add_board_boot_modes(const struct boot_mode *p)
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{
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	int size;
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	char *dest;
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	struct cmd_tbl *entry = ll_entry_get(struct cmd_tbl, bmode, cmd);
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	if (entry->usage) {
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		free(entry->usage);
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		entry->usage = NULL;
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	}
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	modes[0] = p;
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	modes[1] = soc_boot_modes;
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	size = create_usage(NULL);
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	dest = malloc(size);
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	if (dest) {
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		create_usage(dest);
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		entry->usage = dest;
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	}
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}
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