From 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 11:13:47 +0200 Subject: Adding upstream version 2.8.0+dfsg. Signed-off-by: Daniel Baumann --- plat/marvell/armada/common/plat_delay_timer.c | 34 +++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 plat/marvell/armada/common/plat_delay_timer.c (limited to 'plat/marvell/armada/common/plat_delay_timer.c') diff --git a/plat/marvell/armada/common/plat_delay_timer.c b/plat/marvell/armada/common/plat_delay_timer.c new file mode 100644 index 0000000..2539752 --- /dev/null +++ b/plat/marvell/armada/common/plat_delay_timer.c @@ -0,0 +1,34 @@ +/* + * Copyright (C) 2018 Marvell International Ltd. + * + * SPDX-License-Identifier: BSD-3-Clause + * https://spdx.org/licenses + */ + +#include +#include + +#include + +#define SYS_COUNTER_FREQ_IN_MHZ (COUNTER_FREQUENCY/1000000) + +static uint32_t plat_get_timer_value(void) +{ + /* + * Generic delay timer implementation expects the timer to be a down + * counter. We apply bitwise NOT operator to the tick values returned + * by read_cntpct_el0() to simulate the down counter. + */ + return (uint32_t)(~read_cntpct_el0()); +} + +static const timer_ops_t plat_timer_ops = { + .get_timer_value = plat_get_timer_value, + .clk_mult = 1, + .clk_div = SYS_COUNTER_FREQ_IN_MHZ +}; + +void plat_delay_timer_init(void) +{ + timer_init(&plat_timer_ops); +} -- cgit v1.2.3