Signed-off-by: Wadim Egorov <w.egorov@phytec.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
92 lines
2.2 KiB
C
92 lines
2.2 KiB
C
/*
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*
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* Copyright (C) 2011 Marc Reilly <marc@cpdesign.com.au>
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* Copyright (C) 2013 Marc Kleine-Budde <mkl@pengutronix.de>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (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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*/
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#include <common.h>
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#include <bootsource.h>
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#include <environment.h>
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#include <magicvar.h>
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#include <init.h>
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static const char *bootsource_str[] = {
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[BOOTSOURCE_UNKNOWN] = "unknown",
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[BOOTSOURCE_NAND] = "nand",
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[BOOTSOURCE_NOR] = "nor",
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[BOOTSOURCE_MMC] = "mmc",
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[BOOTSOURCE_I2C] = "i2c",
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[BOOTSOURCE_I2C_EEPROM] = "i2c-eeprom",
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[BOOTSOURCE_SPI] = "spi",
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[BOOTSOURCE_SPI_EEPROM] = "spi-eeprom",
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[BOOTSOURCE_SPI_NOR] = "spi-nor",
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[BOOTSOURCE_SERIAL] = "serial",
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[BOOTSOURCE_ONENAND] = "onenand",
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[BOOTSOURCE_HD] = "harddisk",
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[BOOTSOURCE_USB] = "usb",
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[BOOTSOURCE_NET] = "net",
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};
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static enum bootsource bootsource = BOOTSOURCE_UNKNOWN;
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static int bootsource_instance = BOOTSOURCE_INSTANCE_UNKNOWN;
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void bootsource_set(enum bootsource src)
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{
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if (src >= ARRAY_SIZE(bootsource_str))
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src = BOOTSOURCE_UNKNOWN;
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bootsource = src;
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setenv("bootsource", bootsource_str[src]);
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}
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void bootsource_set_instance(int instance)
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{
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char buf[32];
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bootsource_instance = instance;
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if (instance < 0)
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sprintf(buf, "unknown");
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else
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snprintf(buf, sizeof(buf), "%d", instance);
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setenv("bootsource_instance", buf);
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}
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enum bootsource bootsource_get(void)
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{
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return bootsource;
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}
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BAREBOX_MAGICVAR(bootsource, "The source barebox has been booted from");
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int bootsource_get_instance(void)
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{
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return bootsource_instance;
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}
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BAREBOX_MAGICVAR(bootsource_instance, "The instance of the source barebox has been booted from");
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static int bootsource_init(void)
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{
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bootsource_set(bootsource);
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bootsource_set_instance(bootsource_instance);
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export("bootsource");
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export("bootsource_instance");
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return 0;
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}
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coredevice_initcall(bootsource_init);
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