V3s_Allwinner
/
uboot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

dm: x86: Add a northbridge uclass 

Add a uclass for the northbridge / SDRAM controller found on some older
Intel chipsets.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2016-01-17 16:11:14 -07:00 committed by Bin Meng
parent 858361b174
commit 5544757ce9
3 changed files with 17 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/x86/lib/Makefile
View File

@ -19,6 +19,7 @@ obj-y += lpc-uclass.o
obj-y += mpspec.o obj-y += mpspec.o
obj-$(CONFIG_ENABLE_MRC_CACHE) += mrccache.o obj-$(CONFIG_ENABLE_MRC_CACHE) += mrccache.o
obj-y += cmd_mtrr.o obj-y += cmd_mtrr.o
obj-y += northbridge-uclass.o
obj-$(CONFIG_I8259_PIC) += i8259.o obj-$(CONFIG_I8259_PIC) += i8259.o
obj-$(CONFIG_I8254_TIMER) += i8254.o obj-$(CONFIG_I8254_TIMER) += i8254.o
ifndef CONFIG_DM_PCI ifndef CONFIG_DM_PCI

15
arch/x86/lib/northbridge-uclass.c Normal file
View File

@ -0,0 +1,15 @@
/*
* Copyright (c) 2015 Google, Inc
* Written by Simon Glass <sjg@chromium.org>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm.h>
#include <dm/root.h>
UCLASS_DRIVER(northbridge) = {
.id = UCLASS_NORTHBRIDGE,
.name = "northbridge",
};

1
include/dm/uclass-id.h
View File

@ -46,6 +46,7 @@ enum uclass_id {
UCLASS_MMC, /* SD / MMC card or chip */ UCLASS_MMC, /* SD / MMC card or chip */
UCLASS_MOD_EXP, /* RSA Mod Exp device */ UCLASS_MOD_EXP, /* RSA Mod Exp device */
UCLASS_MTD, /* Memory Technology Device (MTD) device */ UCLASS_MTD, /* Memory Technology Device (MTD) device */
UCLASS_NORTHBRIDGE, /* Intel Northbridge / SDRAM controller */
UCLASS_PANEL, /* Display panel, such as an LCD */ UCLASS_PANEL, /* Display panel, such as an LCD */
UCLASS_PANEL_BACKLIGHT, /* Backlight controller for panel */ UCLASS_PANEL_BACKLIGHT, /* Backlight controller for panel */
UCLASS_PCH, /* x86 platform controller hub */ UCLASS_PCH, /* x86 platform controller hub */