diff options
| author | Hung-Te Lin <hungte@chromium.org> | 2022-09-06 14:32:05 +0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2022-09-07 09:20:25 +0000 |
| commit | a01f8bc450d782c9b0859c8caaaa3df87fe5a854 (patch) | |
| tree | b6f301ea3e7d09e256489c7c3f5918211ff9473c /src/soc/mediatek/common | |
| parent | 70f30afa89b725aa8655bed881f823408ac54453 (diff) | |
soc/mediatek: a common implementation to register BL31 reset
The implementations of register_reset_to_bl31() are the same for
MedaiTek platforms, so we extract them to soc/common/bl31.c.
BUG=None
TEST=build pass
Change-Id: I297ea2e18a6d7e92236cf415844b166523616bdf
Signed-off-by: Hung-Te Lin <hungte@chromium.org>
Signed-off-by: Bo-Chen Chen <rex-bc.chen@mediatek.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/67359
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Diffstat (limited to 'src/soc/mediatek/common')
| -rw-r--r-- | src/soc/mediatek/common/bl31.c | 23 | ||||
| -rw-r--r-- | src/soc/mediatek/common/include/soc/bl31.h | 10 |
2 files changed, 33 insertions, 0 deletions
diff --git a/src/soc/mediatek/common/bl31.c b/src/soc/mediatek/common/bl31.c new file mode 100644 index 0000000000..6a790982e2 --- /dev/null +++ b/src/soc/mediatek/common/bl31.c @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <bl31.h> +#include <console/console.h> +#include <gpio.h> +#include <soc/bl31.h> + +#include <arm-trusted-firmware/include/export/plat/mediatek/common/plat_params_exp.h> + +void register_reset_to_bl31(int gpio_index, bool active_high) +{ + static struct bl_aux_param_gpio param_reset = { + .h = { .type = BL_AUX_PARAM_MTK_RESET_GPIO }, + }; + + if (active_high) + param_reset.gpio.polarity = ARM_TF_GPIO_LEVEL_HIGH; + else + param_reset.gpio.polarity = ARM_TF_GPIO_LEVEL_LOW; + + param_reset.gpio.index = gpio_index; + register_bl31_aux_param(¶m_reset.h); +} diff --git a/src/soc/mediatek/common/include/soc/bl31.h b/src/soc/mediatek/common/include/soc/bl31.h new file mode 100644 index 0000000000..c596a8577b --- /dev/null +++ b/src/soc/mediatek/common/include/soc/bl31.h @@ -0,0 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only OR MIT */ + +#ifndef _SOC_BL31_H_ +#define _SOC_BL31_H_ + +#include <stdbool.h> + +void register_reset_to_bl31(int gpio_index, bool active_high); + +#endif /* _SOC_BL31_H_ */ |