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/*
* Copyright (C) 2017-2020 Alibaba Group Holding Limited
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
#include <image.h>
#include <u-boot/zlib.h>
#include <asm/byteorder.h>
#include <linux/libfdt.h>
#include <mapmem.h>
#include <fdt_support.h>
#include <linux/compiler.h>
#include <bootm.h>
#include <vxworks.h>
#include <asm/arch/interrupt.h>
#include <irq_func.h>
#include <cpu_func.h>
DECLARE_GLOBAL_DATA_PTR;
__weak int board_prep_linux(bootm_headers_t *images) { return 0; }
/* Main Entry point for csky bootm implementation
*
* Modeled after the powerpc implementation
* DIFFERENCE: Instead of calling prep and go at the end
* they are called if subcommand is equal 0.
*/
int do_bootm_linux(int flag, int argc, char * const argv[],
bootm_headers_t *images)
{
void (*theKernel)(int magic, void * params);
char *tmp;
unsigned int dtb_load_addr = 0;
if ((tmp = env_get("dtb_load_addr_virt")) != NULL) {
dtb_load_addr = simple_strtoul(tmp, NULL, 16);
printf("dtb_load_addr: 0x%X\n", dtb_load_addr);
} else {
printf("\nError! No dtb address found! Stop here...\n");
while (1);
}
theKernel = (void (*)(int, void *))images->ep;
printf("\nStarting kernel ... \n\n");
disable_interrupts();
flush_cache(0, 0);
#ifdef CONFIG_ERAGON3
/* Open the D cache */
asm volatile(
"mfcr r4, cr18\n"
"bseti r4, 3 \n"
"mtcr r4, cr18\n"
:
:
: "r4"
);
#endif
board_prep_linux(images);
theKernel(0x20150401, (void *)dtb_load_addr);
return 1;
}
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