zephyr/arch/x86/soc/atom/soc.c

45 lines
1.0 KiB
C

/*
* Copyright (c) 2011-2015, Wind River Systems, Inc.
*
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @file
* @brief System/hardware module for the ia32 platform
*
* This module provides routines to initialize and support board-level hardware
* for the ia32 platform.
*/
#include <kernel.h>
#include "soc.h"
#include <uart.h>
#include <device.h>
#include <init.h>
#ifdef CONFIG_X86_MMU
/* loapic */
MMU_BOOT_REGION(CONFIG_LOAPIC_BASE_ADDRESS, 4*1024, MMU_ENTRY_WRITE);
/*ioapic */
MMU_BOOT_REGION(CONFIG_IOAPIC_BASE_ADDRESS, 1024*1024, MMU_ENTRY_WRITE);
/* peripherals */
MMU_BOOT_REGION(0xB0000000, 128*1024, MMU_ENTRY_WRITE);
/* SCSS system control subsystem */
MMU_BOOT_REGION(0xB0800000, 16*1024, MMU_ENTRY_WRITE);
/* DMA */
MMU_BOOT_REGION(0xB0700000, 4*1024, MMU_ENTRY_WRITE);
/* USB */
MMU_BOOT_REGION(0xB0500000, 256*1024, MMU_ENTRY_WRITE);
#ifdef CONFIG_HPET_TIMER
MMU_BOOT_REGION(CONFIG_HPET_TIMER_BASE_ADDRESS, KB(4), MMU_ENTRY_WRITE);
#endif /* CONFIG_HPET_TIMER */
#endif /* CONFIG_X86_MMU */