michaelh/zephyr
1
0
Fork 0
Code Releases Activity

arch/x86/soc: add SoC configuration for Apollo Lake

Browse source 
This adds the SoC configuration for Apollo Lake. This is based
on the Atom configuration.

Origin: Original

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
This commit is contained in:
Daniel Leung 2018-07-16 18:37:14 -07:00 • committed by Anas Nashif
commit 26e83aab35
9 changed files with 265 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

48
arch/x86/soc/apollo_lake/soc.c Normal file
View file

@ -0,0 +1,48 @@
/*
* Copyright (c) 2018, Intel Corporation
* Copyright (c) 2011-2015, Wind River Systems, Inc.
*
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @file
* @brief System/hardware module for the Apollo Lake SoC
*
* This module provides routines to initialize and support soc-level hardware
* for the Apollo Lake SoC.
*/
#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);
#ifdef CONFIG_HPET_TIMER
MMU_BOOT_REGION(CONFIG_HPET_TIMER_BASE_ADDRESS, KB(4), MMU_ENTRY_WRITE);
#endif /* CONFIG_HPET_TIMER */
/* for UARTs */
#ifdef CONFIG_UART_NS16550
#ifdef CONFIG_UART_NS16550_PORT_0
MMU_BOOT_REGION(CONFIG_UART_NS16550_PORT_0_BASE_ADDR, 0x1000,
(MMU_ENTRY_READ | MMU_ENTRY_WRITE));
#endif
#ifdef CONFIG_UART_NS16550_PORT_1
MMU_BOOT_REGION(CONFIG_UART_NS16550_PORT_1_BASE_ADDR, 0x1000,
(MMU_ENTRY_READ | MMU_ENTRY_WRITE));
#endif
#endif /* CONFIG_UART_NS16550 */
#endif /* CONFIG_X86_MMU */