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/* SPDX-License-Identifier: GPL-2.0-only */
#include <arch/lib_helpers.h>
#include <commonlib/helpers.h>
#include <delay.h>
#include <soc/addressmap.h>
#include <soc/timer.h>
static struct mtk_gpt_regs *const mtk_gpt = (void *)GPT_BASE;
void init_timer(void)
{
timer_prepare();
raw_write_cntfrq_el0(13 * MHz);
/* TODO: remove GPT timer init after DRAM blob switching to arch timer */
/* Disable timer and clear the counter */
clrbits32(&mtk_gpt->gpt6_con, GPT6_CON_EN);
setbits32(&mtk_gpt->gpt6_con, GPT6_CON_CLR);
/* Set clock source to system clock and set clock divider to 1 */
SET32_BITFIELDS(&GPT6_CLOCK_REG(mtk_gpt),
GPT6_CLK_CLK6, GPT6_CLK_CLK6_SYS,
GPT6_CLK_CLKDIV6, GPT6_CLK_CLKDIV_DIV1);
/* Set operation mode to FREERUN mode and enable timer */
SET32_BITFIELDS(&mtk_gpt->gpt6_con,
GPT6_CON_MODE6, GPT6_MODE_FREERUN,
GPT6_CON_EN6, GPT6_CON_EN);
}
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