arch/powerpc/boot/cuboot-amigaone.c

Source file repositories/reference/linux-study-clean/arch/powerpc/boot/cuboot-amigaone.c

File Facts

System
Linux kernel
Corpus path
arch/powerpc/boot/cuboot-amigaone.c
Extension
.c
Size
719 bytes
Lines
33
Domain
Architecture Layer
Bucket
arch/powerpc
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Old U-boot compatibility for AmigaOne
 *
 * Author: Gerhard Pircher (gerhard_pircher@gmx.net)
 *
 *   Based on cuboot-83xx.c
 * Copyright (c) 2007 Freescale Semiconductor, Inc.
 */

#include "ops.h"
#include "stdio.h"
#include "cuboot.h"

#include "ppcboot.h"

static bd_t bd;

static void platform_fixups(void)
{
	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
	dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, bd.bi_busfreq);
}

void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
                   unsigned long r6, unsigned long r7)
{
	CUBOOT_INIT();
	fdt_init(_dtb_start);
	serial_console_init();
	platform_ops.fixups = platform_fixups;
}

Annotation

Implementation Notes