2017-06-02 15:00:00 +00:00
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/*
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* System information routines for all OMAP based boards.
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*
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* (C) Copyright 2017 Linaro Ltd.
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* Sam Protsenko <semen.protsenko@linaro.org>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <asm/arch/omap.h>
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#include <asm/io.h>
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#include <asm/omap_common.h>
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/**
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* Tell if device is GP/HS/EMU/TST.
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*/
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u32 get_device_type(void)
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{
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2017-07-31 12:41:40 +00:00
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#if defined(CONFIG_OMAP34XX)
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/*
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* On OMAP3 systems we call this early enough that we must just
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* use the direct offset for safety.
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*/
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return (readl(OMAP34XX_CTRL_BASE + 0x2f0) & DEVICE_TYPE_MASK) >>
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DEVICE_TYPE_SHIFT;
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#else
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2017-06-02 15:00:00 +00:00
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return (readl((*ctrl)->control_status) & DEVICE_TYPE_MASK) >>
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DEVICE_TYPE_SHIFT;
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2017-07-31 12:41:40 +00:00
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#endif
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2017-06-02 15:00:00 +00:00
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}
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