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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:13:47 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:13:47 +0000 |
commit | 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 (patch) | |
tree | bcf648efac40ca6139842707f0eba5a4496a6dd2 /plat/mediatek/mt8186/drivers/dcm/mtk_dcm.c | |
parent | Initial commit. (diff) | |
download | arm-trusted-firmware-upstream.tar.xz arm-trusted-firmware-upstream.zip |
Adding upstream version 2.8.0+dfsg.upstream/2.8.0+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | plat/mediatek/mt8186/drivers/dcm/mtk_dcm.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/plat/mediatek/mt8186/drivers/dcm/mtk_dcm.c b/plat/mediatek/mt8186/drivers/dcm/mtk_dcm.c new file mode 100644 index 0000000..5dde5c5 --- /dev/null +++ b/plat/mediatek/mt8186/drivers/dcm/mtk_dcm.c @@ -0,0 +1,66 @@ +/* + * Copyright (c) 2021, MediaTek Inc. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <common/debug.h> +#include <mtk_dcm.h> +#include <mtk_dcm_utils.h> + +static void dcm_armcore(bool mode) +{ + dcm_mp_cpusys_top_bus_pll_div_dcm(mode); + dcm_mp_cpusys_top_cpu_pll_div_0_dcm(mode); + dcm_mp_cpusys_top_cpu_pll_div_1_dcm(mode); +} + +static void dcm_mcusys(bool on) +{ + dcm_mp_cpusys_top_adb_dcm(on); + dcm_mp_cpusys_top_apb_dcm(on); + dcm_mp_cpusys_top_cpubiu_dcm(on); + dcm_mp_cpusys_top_cpubiu_dbg_cg(on); + dcm_mp_cpusys_top_misc_dcm(on); + dcm_mp_cpusys_top_mp0_qdcm(on); + dcm_cpccfg_reg_emi_wfifo(on); + dcm_mp_cpusys_top_last_cor_idle_dcm(on); +} + +static void dcm_stall(bool on) +{ + dcm_mp_cpusys_top_core_stall_dcm(on); + dcm_mp_cpusys_top_fcm_stall_dcm(on); +} + +static bool check_dcm_state(void) +{ + bool ret = true; + + ret &= dcm_mp_cpusys_top_bus_pll_div_dcm_is_on(); + ret &= dcm_mp_cpusys_top_cpu_pll_div_0_dcm_is_on(); + ret &= dcm_mp_cpusys_top_cpu_pll_div_1_dcm_is_on(); + + ret &= dcm_mp_cpusys_top_adb_dcm_is_on(); + ret &= dcm_mp_cpusys_top_apb_dcm_is_on(); + ret &= dcm_mp_cpusys_top_cpubiu_dcm_is_on(); + ret &= dcm_mp_cpusys_top_cpubiu_dbg_cg_is_on(); + ret &= dcm_mp_cpusys_top_misc_dcm_is_on(); + ret &= dcm_mp_cpusys_top_mp0_qdcm_is_on(); + ret &= dcm_cpccfg_reg_emi_wfifo_is_on(); + ret &= dcm_mp_cpusys_top_last_cor_idle_dcm_is_on(); + + ret &= dcm_mp_cpusys_top_core_stall_dcm_is_on(); + ret &= dcm_mp_cpusys_top_fcm_stall_dcm_is_on(); + + return ret; +} + +void dcm_set_default(void) +{ + dcm_armcore(true); + dcm_mcusys(true); + dcm_stall(true); + + INFO("%s: %d", __func__, check_dcm_state()); +} |