linux/linux-5.18.11/arch/powerpc/boot/microwatt.c

25 lines
549 B
C

// SPDX-License-Identifier: GPL-2.0-or-later
#include <stddef.h>
#include "stdio.h"
#include "types.h"
#include "io.h"
#include "ops.h"
BSS_STACK(8192);
void platform_init(unsigned long r3, unsigned long r4, unsigned long r5)
{
unsigned long heapsize = 16*1024*1024 - (unsigned long)_end;
/*
* Disable interrupts and turn off MSR_RI, since we'll
* shortly be overwriting the interrupt vectors.
*/
__asm__ volatile("mtmsrd %0,1" : : "r" (0));
simple_alloc_init(_end, heapsize, 32, 64);
fdt_init(_dtb_start);
serial_console_init();
}