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d5a6f86cdf
Add thermal driver for A8K SoC family. The termal unit data is used by Marvell DRAM initialization code for optimizing the memory controller configuration Change-Id: Iad92689fa6e4224a89d872e9aa015393abd9cf73 Signed-off-by: Hanna Hawa <hannah@marvell.com> Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
54 lines
1.1 KiB
C
54 lines
1.1 KiB
C
/*
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* Copyright (C) 2018 Marvell International Ltd.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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* https://spdx.org/licenses
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*/
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/* Driver for thermal unit located in Marvell ARMADA 8K and compatible SoCs */
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#include <debug.h>
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#include <thermal.h>
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int marvell_thermal_init(struct tsen_config *tsen_cfg)
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{
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if (tsen_cfg->tsen_ready == 1) {
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INFO("thermal sensor is already initialized\n");
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return 0;
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}
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if (tsen_cfg->ptr_tsen_probe == NULL) {
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ERROR("initial thermal sensor configuration is missing\n");
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return -1;
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}
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if (tsen_cfg->ptr_tsen_probe(tsen_cfg)) {
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ERROR("thermal sensor initialization failed\n");
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return -1;
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}
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VERBOSE("thermal sensor was initialized\n");
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return 0;
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}
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int marvell_thermal_read(struct tsen_config *tsen_cfg, int *temp)
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{
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if (temp == NULL) {
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ERROR("NULL pointer for temperature read\n");
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return -1;
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}
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if (tsen_cfg->ptr_tsen_read == NULL ||
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tsen_cfg->tsen_ready == 0) {
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ERROR("thermal sensor was not initialized\n");
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return -1;
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}
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if (tsen_cfg->ptr_tsen_read(tsen_cfg, temp)) {
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ERROR("temperature read failed\n");
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return -1;
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}
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return 0;
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}
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