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089b5c9595
Rely solely on device tree matching to detect and probe the SMP TWD timer and remove this custom hack. Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
49 lines
1.0 KiB
C
49 lines
1.0 KiB
C
/*
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* Copyright (C) ST-Ericsson SA 2011
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*
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* License Terms: GNU General Public License v2
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* Author: Mattias Wallin <mattias.wallin@stericsson.com> for ST-Ericsson
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*/
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#include <linux/io.h>
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#include <linux/errno.h>
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#include <linux/clksrc-dbx500-prcmu.h>
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#include <linux/clocksource.h>
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#include <linux/of.h>
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#include <linux/of_address.h>
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#include "setup.h"
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#include "db8500-regs.h"
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#include "id.h"
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const static struct of_device_id prcmu_timer_of_match[] __initconst = {
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{ .compatible = "stericsson,db8500-prcmu-timer-4", },
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{ },
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};
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void __init ux500_timer_init(void)
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{
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void __iomem *prcmu_timer_base;
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void __iomem *tmp_base;
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struct device_node *np;
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if (cpu_is_u8500_family() || cpu_is_ux540_family())
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prcmu_timer_base = __io_address(U8500_PRCMU_TIMER_4_BASE);
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else
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ux500_unknown_soc();
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np = of_find_matching_node(NULL, prcmu_timer_of_match);
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if (!np)
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goto dt_fail;
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tmp_base = of_iomap(np, 0);
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if (!tmp_base)
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goto dt_fail;
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prcmu_timer_base = tmp_base;
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dt_fail:
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clksrc_dbx500_prcmu_init(prcmu_timer_base);
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clocksource_of_init();
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}
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