Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-23 12:42:02 +00:00
Code Issues Packages Projects Releases Wiki Activity

soc/tegra: Implement runtime check for Tegra SoCs

Browse Source 
Subsequent patches will move some of the initialization code from SoC
setup code to regular initcalls. To prevent breakage on other SoCs in
multi-platform builds, these initcalls need to check that they indeed
run on Tegra.

Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding 2014-07-16 14:01:44 +02:00
parent dd849e581d
commit a2686766c8
3 changed files with 46 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/soc/tegra/Makefile
View File

@ -1 +1,3 @@
obj-$(CONFIG_ARCH_TEGRA) += fuse/
obj-$(CONFIG_ARCH_TEGRA) += common.o

30
drivers/soc/tegra/common.c Normal file
View File

@ -0,0 +1,30 @@
/*
* Copyright (C) 2014 NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/of.h>
#include <soc/tegra/common.h>
static const struct of_device_id tegra_machine_match[] = {
{ .compatible = "nvidia,tegra20", },
{ .compatible = "nvidia,tegra30", },
{ .compatible = "nvidia,tegra114", },
{ .compatible = "nvidia,tegra124", },
{ }
};
bool soc_is_tegra(void)
{
struct device_node *root;
root = of_find_node_by_path("/");
if (!root)
return false;
return of_match_node(tegra_machine_match, root) != NULL;
}

14
include/soc/tegra/common.h Normal file
View File

@ -0,0 +1,14 @@
/*
* Copyright (C) 2014 NVIDIA Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __SOC_TEGRA_COMMON_H__
#define __SOC_TEGRA_COMMON_H__
bool soc_is_tegra(void);
#endif /* __SOC_TEGRA_COMMON_H__ */