Files
Linux_Drivers/u-boot-2021.10/arch/arm/mach-omap2/sysinfo-common.c
sam.xiang f8fc109960 [uboot] create uboot from github:
repo: https://github.com/u-boot/u-boot
	commit: d80bb749fab53da72c4a0e09b8c2d2aaa3103c91

Change-Id: Ie6434426e1ec15bc08bb1832798e371f3fd5fb29
2023-03-10 20:30:57 +08:00

30 lines
662 B
C

// SPDX-License-Identifier: GPL-2.0+
/*
* System information routines for all OMAP based boards.
*
* (C) Copyright 2017 Linaro Ltd.
* Sam Protsenko <semen.protsenko@linaro.org>
*/
#include <asm/arch/omap.h>
#include <asm/io.h>
#include <asm/omap_common.h>
/**
* Tell if device is GP/HS/EMU/TST.
*/
u32 get_device_type(void)
{
#if defined(CONFIG_OMAP34XX)
/*
* On OMAP3 systems we call this early enough that we must just
* use the direct offset for safety.
*/
return (readl(OMAP34XX_CTRL_BASE + 0x2f0) & DEVICE_TYPE_MASK) >>
DEVICE_TYPE_SHIFT;
#else
return (readl((*ctrl)->control_status) & DEVICE_TYPE_MASK) >>
DEVICE_TYPE_SHIFT;
#endif
}