6b5bc77c9b
Stefan thinks they don't add value. Command used: sed -i -e '/file is part of /d' $(git grep "file is part of " |egrep ":( */\*.*\*/\$|#|;#|-- | *\* )" | cut -d: -f1 |grep -v crossgcc |grep -v gcov | grep -v /elf.h |grep -v nvramtool) The exceptions are for: - crossgcc (patch file) - gcov (imported from gcc) - elf.h (imported from GNU's libc) - nvramtool (more complicated header) The removed lines are: - fmt.Fprintln(f, "/* This file is part of the coreboot project. */") -# This file is part of a set of unofficial pre-commit hooks available -/* This file is part of coreboot */ -# This file is part of msrtool. -/* This file is part of msrtool. */ - * This file is part of ncurses, designed to be appended after curses.h.in -/* This file is part of pgtblgen. */ - * This file is part of the coreboot project. - /* This file is part of the coreboot project. */ -# This file is part of the coreboot project. -# This file is part of the coreboot project. -## This file is part of the coreboot project. --- This file is part of the coreboot project. -/* This file is part of the coreboot project */ -/* This file is part of the coreboot project. */ -;## This file is part of the coreboot project. -# This file is part of the coreboot project. It originated in the - * This file is part of the coreinfo project. -## This file is part of the coreinfo project. - * This file is part of the depthcharge project. -/* This file is part of the depthcharge project. */ -/* This file is part of the ectool project. */ - * This file is part of the GNU C Library. - * This file is part of the libpayload project. -## This file is part of the libpayload project. -/* This file is part of the Linux kernel. */ -## This file is part of the superiotool project. -/* This file is part of the superiotool project */ -/* This file is part of uio_usbdebug */ Change-Id: I82d872b3b337388c93d5f5bf704e9ee9e53ab3a9 Signed-off-by: Patrick Georgi <pgeorgi@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/41194 Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
|
|
#include <device/mmio.h>
|
|
#include <timer.h>
|
|
#include <delay.h>
|
|
#include <thread.h>
|
|
|
|
#include <soc/addressmap.h>
|
|
#include <soc/timer.h>
|
|
|
|
static struct mtk_gpt_regs *const mtk_gpt = (void *)GPT_BASE;
|
|
|
|
__weak void timer_prepare(void) { /* do nothing */ }
|
|
|
|
static uint64_t timer_raw_value(void)
|
|
{
|
|
/*
|
|
* According to "General-Purpose Timer (GPT).pdf", The read operation of
|
|
* gpt6_cnt_l will make gpt6_cnt_h fixed until the next read operation
|
|
* of gpt6_cnt_l. Therefore, we must read gpt6_cnt_l before gpt6_cnt_h.
|
|
*/
|
|
uint32_t low = read32(&mtk_gpt->gpt6_cnt_l);
|
|
uint32_t high = read32(&mtk_gpt->gpt6_cnt_h);
|
|
|
|
return low | (uint64_t)high << 32;
|
|
}
|
|
|
|
void timer_monotonic_get(struct mono_time *mt)
|
|
{
|
|
mono_time_set_usecs(mt, timer_raw_value() / GPT_MHZ);
|
|
}
|
|
|
|
void init_timer(void)
|
|
{
|
|
timer_prepare();
|
|
|
|
/* Disable timer and clear the counter */
|
|
clrbits32(&mtk_gpt->gpt6_con, GPT_CON_EN);
|
|
setbits32(&mtk_gpt->gpt6_con, GPT_CON_CLR);
|
|
|
|
/* Set clock source to system clock and set clock divider to 1 */
|
|
write32(&mtk_gpt->gpt6_clk, GPT_SYS_CLK | GPT_CLK_DIV1);
|
|
/* Set operation mode to FREERUN mode and enable timer */
|
|
write32(&mtk_gpt->gpt6_con, GPT_CON_EN | GPT_MODE_FREERUN);
|
|
}
|