mirror of
https://github.com/smaeul/u-boot.git
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efc3f9526f
In a lot of cases kernel resets UART HW. To ensure that U-Boot messages printed before booting the kernel are not lost, call new U-Boot console flush() function. Signed-off-by: Pali Rohár <pali@kernel.org> Reviewed-by: Simon Glass <sjg@chromium.org>
73 lines
1.5 KiB
C
73 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2000-2003
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*/
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/*
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* Misc boot support
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*/
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#include <common.h>
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#include <command.h>
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#include <net.h>
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#ifdef CONFIG_CMD_GO
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/* Allow ports to override the default behavior */
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__attribute__((weak))
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unsigned long do_go_exec(ulong (*entry)(int, char * const []), int argc,
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char *const argv[])
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{
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return entry (argc, argv);
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}
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static int do_go(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
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{
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ulong addr, rc;
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int rcode = 0;
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if (argc < 2)
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return CMD_RET_USAGE;
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addr = hextoul(argv[1], NULL);
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printf ("## Starting application at 0x%08lX ...\n", addr);
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flush();
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/*
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* pass address parameter as argv[0] (aka command name),
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* and all remaining args
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*/
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rc = do_go_exec ((void *)addr, argc - 1, argv + 1);
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if (rc != 0) rcode = 1;
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printf ("## Application terminated, rc = 0x%lX\n", rc);
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return rcode;
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}
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/* -------------------------------------------------------------------- */
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U_BOOT_CMD(
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go, CONFIG_SYS_MAXARGS, 1, do_go,
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"start application at address 'addr'",
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"addr [arg ...]\n - start application at address 'addr'\n"
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" passing 'arg' as arguments"
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);
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#endif
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U_BOOT_CMD(
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reset, 2, 0, do_reset,
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"Perform RESET of the CPU",
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"- cold boot without level specifier\n"
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"reset -w - warm reset if implemented"
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);
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#ifdef CONFIG_CMD_POWEROFF
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U_BOOT_CMD(
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poweroff, 1, 0, do_poweroff,
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"Perform POWEROFF of the device",
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""
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);
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#endif
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