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22b7e6fbd3
ATAGS is not supported and will be replaced by DT in riscv-linux. So can be removed now. Signed-off-by: Rick Chen <rick@andestech.com> Signed-off-by: Rick Chen <rickchen36@gmail.com>
74 lines
1.6 KiB
C
74 lines
1.6 KiB
C
/*
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* Copyright (C) 2011 Andes Technology Corporation
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* Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
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* Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
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* Rick Chen, Andes Technology Corporation <rick@andestech.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <command.h>
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#include <image.h>
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#include <u-boot/zlib.h>
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#include <asm/byteorder.h>
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#include <asm/bootm.h>
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DECLARE_GLOBAL_DATA_PTR;
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int arch_fixup_fdt(void *blob)
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{
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return 0;
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}
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int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
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{
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bd_t *bd = gd->bd;
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char *s;
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int machid = bd->bi_arch_number;
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void (*theKernel)(int arch, uint params);
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/*
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* allow the PREP bootm subcommand, it is required for bootm to work
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*/
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if (flag & BOOTM_STATE_OS_PREP)
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return 0;
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if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
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return 1;
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theKernel = (void (*)(int, uint))images->ep;
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s = env_get("machid");
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if (s) {
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machid = simple_strtoul(s, NULL, 16);
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printf("Using machid 0x%x from environment\n", machid);
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}
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bootstage_mark(BOOTSTAGE_ID_RUN_OS);
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debug("## Transferring control to Linux (at address %08lx) ...\n",
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(ulong)theKernel);
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if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len) {
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#ifdef CONFIG_OF_LIBFDT
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debug("using: FDT\n");
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if (image_setup_linux(images)) {
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printf("FDT creation failed! hanging...");
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hang();
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}
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#endif
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}
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/* we assume that the kernel is in place */
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printf("\nStarting kernel ...\n\n");
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cleanup_before_linux();
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if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len)
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theKernel(machid, (unsigned long)images->ft_addr);
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/* does not return */
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return 1;
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}
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