mirror of
https://github.com/AsahiLinux/u-boot
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65cc0e2a65
The rest of the unmigrated CONFIG symbols in the CONFIG_SYS namespace do not easily transition to Kconfig. In many cases they likely should come from the device tree instead. Move these out of CONFIG namespace and in to CFG namespace. Signed-off-by: Tom Rini <trini@konsulko.com> Reviewed-by: Simon Glass <sjg@chromium.org>
64 lines
1.1 KiB
C
64 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2012-2014
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* Texas Instruments Incorporated, <www.ti.com>
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*/
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#include <common.h>
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#include <init.h>
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#include <time.h>
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#include <asm/global_data.h>
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#include <asm/io.h>
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#include <div64.h>
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#include <bootstage.h>
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DECLARE_GLOBAL_DATA_PTR;
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#ifndef CFG_SYS_HZ_CLOCK
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static inline u32 read_cntfrq(void)
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{
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u32 frq;
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asm volatile("mrc p15, 0, %0, c14, c0, 0" : "=r" (frq));
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return frq;
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}
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#endif
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int timer_init(void)
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{
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gd->arch.tbl = 0;
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gd->arch.tbu = 0;
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#ifdef CFG_SYS_HZ_CLOCK
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gd->arch.timer_rate_hz = CFG_SYS_HZ_CLOCK;
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#else
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gd->arch.timer_rate_hz = read_cntfrq();
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#endif
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return 0;
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}
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unsigned long long get_ticks(void)
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{
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ulong nowl, nowu;
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asm volatile("mrrc p15, 0, %0, %1, c14" : "=r" (nowl), "=r" (nowu));
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gd->arch.tbl = nowl;
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gd->arch.tbu = nowu;
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return (((unsigned long long)gd->arch.tbu) << 32) | gd->arch.tbl;
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}
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ulong timer_get_boot_us(void)
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{
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if (!gd->arch.timer_rate_hz)
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timer_init();
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return lldiv(get_ticks(), gd->arch.timer_rate_hz / 1000000);
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}
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ulong get_tbclk(void)
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{
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return gd->arch.timer_rate_hz;
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}
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