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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/mt8192/drivers/spm/mt_spm_suspend.c | |
parent | Initial commit. (diff) | |
download | arm-trusted-firmware-102b0d2daa97dae68d3eed54d8fe37a9cc38a892.tar.xz arm-trusted-firmware-102b0d2daa97dae68d3eed54d8fe37a9cc38a892.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 'plat/mediatek/mt8192/drivers/spm/mt_spm_suspend.c')
-rw-r--r-- | plat/mediatek/mt8192/drivers/spm/mt_spm_suspend.c | 303 |
1 files changed, 303 insertions, 0 deletions
diff --git a/plat/mediatek/mt8192/drivers/spm/mt_spm_suspend.c b/plat/mediatek/mt8192/drivers/spm/mt_spm_suspend.c new file mode 100644 index 0000000..3eb73d4 --- /dev/null +++ b/plat/mediatek/mt8192/drivers/spm/mt_spm_suspend.c @@ -0,0 +1,303 @@ +/* + * Copyright (c) 2020, MediaTek Inc. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <common/debug.h> +#include <lib/mmio.h> +#include <mt_spm.h> +#include <mt_spm_conservation.h> +#include <mt_spm_internal.h> +#include <mt_spm_rc_internal.h> +#include <mt_spm_reg.h> +#include <mt_spm_resource_req.h> +#include <mt_spm_suspend.h> +#include <plat_pm.h> +#include <uart.h> + +#define SPM_SUSPEND_SLEEP_PCM_FLAG \ + (SPM_FLAG_DISABLE_INFRA_PDN | \ + SPM_FLAG_DISABLE_VCORE_DVS | \ + SPM_FLAG_DISABLE_VCORE_DFS | \ + SPM_FLAG_KEEP_CSYSPWRACK_HIGH | \ + SPM_FLAG_USE_SRCCLKENO2 | \ + SPM_FLAG_ENABLE_MD_MUMTAS | \ + SPM_FLAG_SRAM_SLEEP_CTRL) + +#define SPM_SUSPEND_SLEEP_PCM_FLAG1 \ + (SPM_FLAG1_DISABLE_MD26M_CK_OFF) + +#define SPM_SUSPEND_PCM_FLAG \ + (SPM_FLAG_DISABLE_VCORE_DVS | \ + SPM_FLAG_DISABLE_VCORE_DFS | \ + SPM_FLAG_ENABLE_TIA_WORKAROUND | \ + SPM_FLAG_ENABLE_MD_MUMTAS | \ + SPM_FLAG_SRAM_SLEEP_CTRL) + +#define SPM_SUSPEND_PCM_FLAG1 \ + (SPM_FLAG1_DISABLE_MD26M_CK_OFF) + +#define __WAKE_SRC_FOR_SUSPEND_COMMON__ \ + (R12_PCM_TIMER | \ + R12_KP_IRQ_B | \ + R12_APWDT_EVENT_B | \ + R12_APXGPT1_EVENT_B | \ + R12_CONN2AP_SPM_WAKEUP_B | \ + R12_EINT_EVENT_B | \ + R12_CONN_WDT_IRQ_B | \ + R12_CCIF0_EVENT_B | \ + R12_SSPM2SPM_WAKEUP_B | \ + R12_SCP2SPM_WAKEUP_B | \ + R12_ADSP2SPM_WAKEUP_B | \ + R12_USBX_CDSC_B | \ + R12_USBX_POWERDWN_B | \ + R12_SYS_TIMER_EVENT_B | \ + R12_EINT_EVENT_SECURE_B | \ + R12_CCIF1_EVENT_B | \ + R12_SYS_CIRQ_IRQ_B | \ + R12_MD2AP_PEER_EVENT_B | \ + R12_MD1_WDT_B | \ + R12_CLDMA_EVENT_B | \ + R12_REG_CPU_WAKEUP | \ + R12_APUSYS_WAKE_HOST_B | \ + R12_PCIE_BRIDGE_IRQ | \ + R12_PCIE_IRQ) + +#if defined(CFG_MICROTRUST_TEE_SUPPORT) +#define WAKE_SRC_FOR_SUSPEND (__WAKE_SRC_FOR_SUSPEND_COMMON__) +#else +#define WAKE_SRC_FOR_SUSPEND \ + (__WAKE_SRC_FOR_SUSPEND_COMMON__ | \ + R12_SEJ_EVENT_B) +#endif + +static struct pwr_ctrl suspend_ctrl = { + .wake_src = WAKE_SRC_FOR_SUSPEND, + .pcm_flags = SPM_SUSPEND_PCM_FLAG | SPM_FLAG_DISABLE_INFRA_PDN, + .pcm_flags1 = SPM_SUSPEND_PCM_FLAG1, + + /* Auto-gen Start */ + + /* SPM_AP_STANDBY_CON */ + .reg_wfi_op = 0, + .reg_wfi_type = 0, + .reg_mp0_cputop_idle_mask = 0, + .reg_mp1_cputop_idle_mask = 0, + .reg_mcusys_idle_mask = 0, + .reg_md_apsrc_1_sel = 0, + .reg_md_apsrc_0_sel = 0, + .reg_conn_apsrc_sel = 0, + + /* SPM_SRC6_MASK */ + .reg_dpmaif_srcclkena_mask_b = 1, + .reg_dpmaif_infra_req_mask_b = 1, + .reg_dpmaif_apsrc_req_mask_b = 1, + .reg_dpmaif_vrf18_req_mask_b = 1, + .reg_dpmaif_ddr_en_mask_b = 1, + + /* SPM_SRC_REQ */ + .reg_spm_apsrc_req = 0, + .reg_spm_f26m_req = 0, + .reg_spm_infra_req = 0, + .reg_spm_vrf18_req = 0, + .reg_spm_ddr_en_req = 0, + .reg_spm_dvfs_req = 0, + .reg_spm_sw_mailbox_req = 0, + .reg_spm_sspm_mailbox_req = 0, + .reg_spm_adsp_mailbox_req = 0, + .reg_spm_scp_mailbox_req = 0, + + /* SPM_SRC_MASK */ + .reg_md_srcclkena_0_mask_b = 1, + .reg_md_srcclkena2infra_req_0_mask_b = 0, + .reg_md_apsrc2infra_req_0_mask_b = 1, + .reg_md_apsrc_req_0_mask_b = 1, + .reg_md_vrf18_req_0_mask_b = 1, + .reg_md_ddr_en_0_mask_b = 1, + .reg_md_srcclkena_1_mask_b = 0, + .reg_md_srcclkena2infra_req_1_mask_b = 0, + .reg_md_apsrc2infra_req_1_mask_b = 0, + .reg_md_apsrc_req_1_mask_b = 0, + .reg_md_vrf18_req_1_mask_b = 0, + .reg_md_ddr_en_1_mask_b = 0, + .reg_conn_srcclkena_mask_b = 1, + .reg_conn_srcclkenb_mask_b = 0, + .reg_conn_infra_req_mask_b = 1, + .reg_conn_apsrc_req_mask_b = 1, + .reg_conn_vrf18_req_mask_b = 1, + .reg_conn_ddr_en_mask_b = 1, + .reg_conn_vfe28_mask_b = 0, + .reg_srcclkeni0_srcclkena_mask_b = 1, + .reg_srcclkeni0_infra_req_mask_b = 1, + .reg_srcclkeni1_srcclkena_mask_b = 0, + .reg_srcclkeni1_infra_req_mask_b = 0, + .reg_srcclkeni2_srcclkena_mask_b = 0, + .reg_srcclkeni2_infra_req_mask_b = 0, + .reg_infrasys_apsrc_req_mask_b = 0, + .reg_infrasys_ddr_en_mask_b = 1, + .reg_md32_srcclkena_mask_b = 1, + .reg_md32_infra_req_mask_b = 1, + .reg_md32_apsrc_req_mask_b = 1, + .reg_md32_vrf18_req_mask_b = 1, + .reg_md32_ddr_en_mask_b = 1, + + /* SPM_SRC2_MASK */ + .reg_scp_srcclkena_mask_b = 1, + .reg_scp_infra_req_mask_b = 1, + .reg_scp_apsrc_req_mask_b = 1, + .reg_scp_vrf18_req_mask_b = 1, + .reg_scp_ddr_en_mask_b = 1, + .reg_audio_dsp_srcclkena_mask_b = 1, + .reg_audio_dsp_infra_req_mask_b = 1, + .reg_audio_dsp_apsrc_req_mask_b = 1, + .reg_audio_dsp_vrf18_req_mask_b = 1, + .reg_audio_dsp_ddr_en_mask_b = 1, + .reg_ufs_srcclkena_mask_b = 1, + .reg_ufs_infra_req_mask_b = 1, + .reg_ufs_apsrc_req_mask_b = 1, + .reg_ufs_vrf18_req_mask_b = 1, + .reg_ufs_ddr_en_mask_b = 1, + .reg_disp0_apsrc_req_mask_b = 1, + .reg_disp0_ddr_en_mask_b = 1, + .reg_disp1_apsrc_req_mask_b = 1, + .reg_disp1_ddr_en_mask_b = 1, + .reg_gce_infra_req_mask_b = 1, + .reg_gce_apsrc_req_mask_b = 1, + .reg_gce_vrf18_req_mask_b = 1, + .reg_gce_ddr_en_mask_b = 1, + .reg_apu_srcclkena_mask_b = 1, + .reg_apu_infra_req_mask_b = 1, + .reg_apu_apsrc_req_mask_b = 1, + .reg_apu_vrf18_req_mask_b = 1, + .reg_apu_ddr_en_mask_b = 1, + .reg_cg_check_srcclkena_mask_b = 0, + .reg_cg_check_apsrc_req_mask_b = 0, + .reg_cg_check_vrf18_req_mask_b = 0, + .reg_cg_check_ddr_en_mask_b = 0, + + /* SPM_SRC3_MASK */ + .reg_dvfsrc_event_trigger_mask_b = 1, + .reg_sw2spm_int0_mask_b = 0, + .reg_sw2spm_int1_mask_b = 0, + .reg_sw2spm_int2_mask_b = 0, + .reg_sw2spm_int3_mask_b = 0, + .reg_sc_adsp2spm_wakeup_mask_b = 0, + .reg_sc_sspm2spm_wakeup_mask_b = 0, + .reg_sc_scp2spm_wakeup_mask_b = 0, + .reg_csyspwrreq_mask = 1, + .reg_spm_srcclkena_reserved_mask_b = 0, + .reg_spm_infra_req_reserved_mask_b = 0, + .reg_spm_apsrc_req_reserved_mask_b = 0, + .reg_spm_vrf18_req_reserved_mask_b = 0, + .reg_spm_ddr_en_reserved_mask_b = 0, + .reg_mcupm_srcclkena_mask_b = 1, + .reg_mcupm_infra_req_mask_b = 1, + .reg_mcupm_apsrc_req_mask_b = 1, + .reg_mcupm_vrf18_req_mask_b = 1, + .reg_mcupm_ddr_en_mask_b = 1, + .reg_msdc0_srcclkena_mask_b = 1, + .reg_msdc0_infra_req_mask_b = 1, + .reg_msdc0_apsrc_req_mask_b = 1, + .reg_msdc0_vrf18_req_mask_b = 1, + .reg_msdc0_ddr_en_mask_b = 1, + .reg_msdc1_srcclkena_mask_b = 1, + .reg_msdc1_infra_req_mask_b = 1, + .reg_msdc1_apsrc_req_mask_b = 1, + .reg_msdc1_vrf18_req_mask_b = 1, + .reg_msdc1_ddr_en_mask_b = 1, + + /* SPM_SRC4_MASK */ + .ccif_event_mask_b = 0xFFF, + .reg_bak_psri_srcclkena_mask_b = 0, + .reg_bak_psri_infra_req_mask_b = 0, + .reg_bak_psri_apsrc_req_mask_b = 0, + .reg_bak_psri_vrf18_req_mask_b = 0, + .reg_bak_psri_ddr_en_mask_b = 0, + .reg_dramc0_md32_infra_req_mask_b = 1, + .reg_dramc0_md32_vrf18_req_mask_b = 0, + .reg_dramc1_md32_infra_req_mask_b = 1, + .reg_dramc1_md32_vrf18_req_mask_b = 0, + .reg_conn_srcclkenb2pwrap_mask_b = 0, + .reg_dramc0_md32_wakeup_mask = 1, + .reg_dramc1_md32_wakeup_mask = 1, + + /* SPM_SRC5_MASK */ + .reg_mcusys_merge_apsrc_req_mask_b = 0x11, + .reg_mcusys_merge_ddr_en_mask_b = 0x11, + .reg_msdc2_srcclkena_mask_b = 1, + .reg_msdc2_infra_req_mask_b = 1, + .reg_msdc2_apsrc_req_mask_b = 1, + .reg_msdc2_vrf18_req_mask_b = 1, + .reg_msdc2_ddr_en_mask_b = 1, + .reg_pcie_srcclkena_mask_b = 1, + .reg_pcie_infra_req_mask_b = 1, + .reg_pcie_apsrc_req_mask_b = 1, + .reg_pcie_vrf18_req_mask_b = 1, + .reg_pcie_ddr_en_mask_b = 1, + + /* SPM_WAKEUP_EVENT_MASK */ + .reg_wakeup_event_mask = 0x01382202, + + /* SPM_WAKEUP_EVENT_EXT_MASK */ + .reg_ext_wakeup_event_mask = 0xFFFFFFFF, + + /* Auto-gen End */ +}; + +struct spm_lp_scen __spm_suspend = { + .pwrctrl = &suspend_ctrl, +}; + +int mt_spm_suspend_mode_set(int mode) +{ + if (mode == MT_SPM_SUSPEND_SLEEP) { + suspend_ctrl.pcm_flags = SPM_SUSPEND_SLEEP_PCM_FLAG; + suspend_ctrl.pcm_flags1 = SPM_SUSPEND_SLEEP_PCM_FLAG1; + } else { + suspend_ctrl.pcm_flags = SPM_SUSPEND_PCM_FLAG; + suspend_ctrl.pcm_flags1 = SPM_SUSPEND_PCM_FLAG1; + } + + return 0; +} + +int mt_spm_suspend_enter(int state_id, unsigned int ext_opand, + unsigned int resource_req) +{ + /* If FMAudio / ADSP is active, change to sleep suspend mode */ + if ((ext_opand & MT_SPM_EX_OP_SET_SUSPEND_MODE) != 0U) { + mt_spm_suspend_mode_set(MT_SPM_SUSPEND_SLEEP); + } + + /* Notify MCUPM that device is going suspend flow */ + mmio_write_32(MCUPM_MBOX_OFFSET_PDN, MCUPM_POWER_DOWN); + + /* Notify UART to sleep */ + mt_uart_save(); + + return spm_conservation(state_id, ext_opand, + &__spm_suspend, resource_req); +} + +void mt_spm_suspend_resume(int state_id, unsigned int ext_opand, + struct wake_status **status) +{ + spm_conservation_finish(state_id, ext_opand, &__spm_suspend, status); + + /* Notify UART to wakeup */ + mt_uart_restore(); + + /* Notify MCUPM that device leave suspend */ + mmio_write_32(MCUPM_MBOX_OFFSET_PDN, 0); + + /* If FMAudio / ADSP is active, change back to suspend mode */ + if ((ext_opand & MT_SPM_EX_OP_SET_SUSPEND_MODE) != 0U) { + mt_spm_suspend_mode_set(MT_SPM_SUSPEND_SYSTEM_PDN); + } +} + +void mt_spm_suspend_init(void) +{ + spm_conservation_pwrctrl_init(__spm_suspend.pwrctrl); +} |