mirror of
https://github.com/revyos/th1520-vendor-uboot.git
synced 2026-07-18 22:25:21 +02:00
68 lines
1.6 KiB
C
68 lines
1.6 KiB
C
/*
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* Copyright (C) 2017-2020 Alibaba Group Holding Limited
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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 <linux/libfdt.h>
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#include <mapmem.h>
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#include <fdt_support.h>
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#include <linux/compiler.h>
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#include <bootm.h>
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#include <vxworks.h>
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#include <asm/arch/interrupt.h>
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#include <irq_func.h>
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#include <cpu_func.h>
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DECLARE_GLOBAL_DATA_PTR;
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__weak int board_prep_linux(bootm_headers_t *images) { return 0; }
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/* Main Entry point for csky bootm implementation
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*
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* Modeled after the powerpc implementation
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* DIFFERENCE: Instead of calling prep and go at the end
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* they are called if subcommand is equal 0.
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*/
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int do_bootm_linux(int flag, int argc, char * const argv[],
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bootm_headers_t *images)
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{
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void (*theKernel)(int magic, void * params);
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char *tmp;
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unsigned int dtb_load_addr = 0;
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if ((tmp = env_get("dtb_load_addr_virt")) != NULL) {
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dtb_load_addr = simple_strtoul(tmp, NULL, 16);
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printf("dtb_load_addr: 0x%X\n", dtb_load_addr);
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} else {
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printf("\nError! No dtb address found! Stop here...\n");
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while (1);
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}
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theKernel = (void (*)(int, void *))images->ep;
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printf("\nStarting kernel ... \n\n");
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disable_interrupts();
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flush_cache(0, 0);
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#ifdef CONFIG_ERAGON3
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/* Open the D cache */
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asm volatile(
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"mfcr r4, cr18\n"
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"bseti r4, 3 \n"
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"mtcr r4, cr18\n"
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:
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:
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: "r4"
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);
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#endif
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board_prep_linux(images);
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theKernel(0x20150401, (void *)dtb_load_addr);
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return 1;
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}
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