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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/mt8195/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 '')
-rw-r--r-- | plat/mediatek/mt8195/drivers/spm/mt_spm_suspend.c | 394 |
1 files changed, 394 insertions, 0 deletions
diff --git a/plat/mediatek/mt8195/drivers/spm/mt_spm_suspend.c b/plat/mediatek/mt8195/drivers/spm/mt_spm_suspend.c new file mode 100644 index 0000000..d018953 --- /dev/null +++ b/plat/mediatek/mt8195/drivers/spm/mt_spm_suspend.c @@ -0,0 +1,394 @@ +/* + * Copyright (c) 2021, 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_DISABLE_DRAMC_MCU_SRAM_SLEEP | \ + SPM_FLAG_SRAM_SLEEP_CTRL) + +#define SPM_SUSPEND_SLEEP_PCM_FLAG1 0 + +#define SPM_SUSPEND_PCM_FLAG \ + (SPM_FLAG_DISABLE_VCORE_DVS | \ + SPM_FLAG_DISABLE_VCORE_DFS | \ + SPM_FLAG_ENABLE_TIA_WORKAROUND | \ + SPM_FLAG_DISABLE_DRAMC_MCU_SRAM_SLEEP | \ + SPM_FLAG_SRAM_SLEEP_CTRL) + +#define SPM_SUSPEND_PCM_FLAG1 0 + +/* Suspend spm power control */ +#define __WAKE_SRC_FOR_SUSPEND_COMMON__ \ + (R12_PCM_TIMER | \ + R12_KP_IRQ_B | \ + R12_APWDT_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_USBX_CDSC_B | \ + R12_USBX_POWERDWN_B | \ + R12_SYS_TIMER_EVENT_B | \ + R12_EINT_EVENT_SECURE_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) + +#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, + + /* SPM_AP_STANDBY_CON */ + /* [0] */ + .reg_wfi_op = 0, + /* [1] */ + .reg_wfi_type = 0, + /* [2] */ + .reg_mp0_cputop_idle_mask = 0, + /* [3] */ + .reg_mp1_cputop_idle_mask = 0, + /* [4] */ + .reg_mcusys_idle_mask = 0, + /* [25] */ + .reg_md_apsrc_1_sel = 0, + /* [26] */ + .reg_md_apsrc_0_sel = 0, + /* [29] */ + .reg_conn_apsrc_sel = 0, + + /* SPM_SRC_REQ */ + /* [0] */ + .reg_spm_apsrc_req = 0, + /* [1] */ + .reg_spm_f26m_req = 0, + /* [3] */ + .reg_spm_infra_req = 0, + /* [4] */ + .reg_spm_vrf18_req = 0, + /* [7] FIXME: default disable HW Auto S1*/ + .reg_spm_ddr_en_req = 1, + /* [8] */ + .reg_spm_dvfs_req = 0, + /* [9] */ + .reg_spm_sw_mailbox_req = 0, + /* [10] */ + .reg_spm_sspm_mailbox_req = 0, + /* [11] */ + .reg_spm_adsp_mailbox_req = 0, + /* [12] */ + .reg_spm_scp_mailbox_req = 0, + + /* SPM_SRC_MASK */ + /* [0] */ + .reg_sspm_srcclkena_0_mask_b = 1, + /* [1] */ + .reg_sspm_infra_req_0_mask_b = 1, + /* [2] */ + .reg_sspm_apsrc_req_0_mask_b = 1, + /* [3] */ + .reg_sspm_vrf18_req_0_mask_b = 1, + /* [4] */ + .reg_sspm_ddr_en_0_mask_b = 1, + /* [5] */ + .reg_scp_srcclkena_mask_b = 1, + /* [6] */ + .reg_scp_infra_req_mask_b = 1, + /* [7] */ + .reg_scp_apsrc_req_mask_b = 1, + /* [8] */ + .reg_scp_vrf18_req_mask_b = 1, + /* [9] */ + .reg_scp_ddr_en_mask_b = 1, + /* [10] */ + .reg_audio_dsp_srcclkena_mask_b = 1, + /* [11] */ + .reg_audio_dsp_infra_req_mask_b = 1, + /* [12] */ + .reg_audio_dsp_apsrc_req_mask_b = 1, + /* [13] */ + .reg_audio_dsp_vrf18_req_mask_b = 1, + /* [14] */ + .reg_audio_dsp_ddr_en_mask_b = 1, + /* [15] */ + .reg_apu_srcclkena_mask_b = 1, + /* [16] */ + .reg_apu_infra_req_mask_b = 1, + /* [17] */ + .reg_apu_apsrc_req_mask_b = 1, + /* [18] */ + .reg_apu_vrf18_req_mask_b = 1, + /* [19] */ + .reg_apu_ddr_en_mask_b = 1, + /* [20] */ + .reg_cpueb_srcclkena_mask_b = 1, + /* [21] */ + .reg_cpueb_infra_req_mask_b = 1, + /* [22] */ + .reg_cpueb_apsrc_req_mask_b = 1, + /* [23] */ + .reg_cpueb_vrf18_req_mask_b = 1, + /* [24] */ + .reg_cpueb_ddr_en_mask_b = 1, + /* [25] */ + .reg_bak_psri_srcclkena_mask_b = 0, + /* [26] */ + .reg_bak_psri_infra_req_mask_b = 0, + /* [27] */ + .reg_bak_psri_apsrc_req_mask_b = 0, + /* [28] */ + .reg_bak_psri_vrf18_req_mask_b = 0, + /* [29] */ + .reg_bak_psri_ddr_en_mask_b = 0, + + /* SPM_SRC2_MASK */ + /* [0] */ + .reg_msdc0_srcclkena_mask_b = 1, + /* [1] */ + .reg_msdc0_infra_req_mask_b = 1, + /* [2] */ + .reg_msdc0_apsrc_req_mask_b = 1, + /* [3] */ + .reg_msdc0_vrf18_req_mask_b = 1, + /* [4] */ + .reg_msdc0_ddr_en_mask_b = 1, + /* [5] */ + .reg_msdc1_srcclkena_mask_b = 1, + /* [6] */ + .reg_msdc1_infra_req_mask_b = 1, + /* [7] */ + .reg_msdc1_apsrc_req_mask_b = 1, + /* [8] */ + .reg_msdc1_vrf18_req_mask_b = 1, + /* [9] */ + .reg_msdc1_ddr_en_mask_b = 1, + /* [10] */ + .reg_msdc2_srcclkena_mask_b = 1, + /* [11] */ + .reg_msdc2_infra_req_mask_b = 1, + /* [12] */ + .reg_msdc2_apsrc_req_mask_b = 1, + /* [13] */ + .reg_msdc2_vrf18_req_mask_b = 1, + /* [14] */ + .reg_msdc2_ddr_en_mask_b = 1, + /* [15] */ + .reg_ufs_srcclkena_mask_b = 0, + /* [16] */ + .reg_ufs_infra_req_mask_b = 0, + /* [17] */ + .reg_ufs_apsrc_req_mask_b = 0, + /* [18] */ + .reg_ufs_vrf18_req_mask_b = 0, + /* [19] */ + .reg_ufs_ddr_en_mask_b = 0, + /* [20] */ + .reg_usb_srcclkena_mask_b = 1, + /* [21] */ + .reg_usb_infra_req_mask_b = 1, + /* [22] */ + .reg_usb_apsrc_req_mask_b = 1, + /* [23] */ + .reg_usb_vrf18_req_mask_b = 1, + /* [24] */ + .reg_usb_ddr_en_mask_b = 1, + /* [25] */ + .reg_pextp_p0_srcclkena_mask_b = 1, + /* [26] */ + .reg_pextp_p0_infra_req_mask_b = 1, + /* [27] */ + .reg_pextp_p0_apsrc_req_mask_b = 1, + /* [28] */ + .reg_pextp_p0_vrf18_req_mask_b = 1, + /* [29] */ + .reg_pextp_p0_ddr_en_mask_b = 1, + + /* SPM_SRC3_MASK */ + /* [0] */ + .reg_pextp_p1_srcclkena_mask_b = 1, + /* [1] */ + .reg_pextp_p1_infra_req_mask_b = 1, + /* [2] */ + .reg_pextp_p1_apsrc_req_mask_b = 1, + /* [3] */ + .reg_pextp_p1_vrf18_req_mask_b = 1, + /* [4] */ + .reg_pextp_p1_ddr_en_mask_b = 1, + /* [5] */ + .reg_gce0_infra_req_mask_b = 1, + /* [6] */ + .reg_gce0_apsrc_req_mask_b = 1, + /* [7] */ + .reg_gce0_vrf18_req_mask_b = 1, + /* [8] */ + .reg_gce0_ddr_en_mask_b = 1, + /* [9] */ + .reg_gce1_infra_req_mask_b = 1, + /* [10] */ + .reg_gce1_apsrc_req_mask_b = 1, + /* [11] */ + .reg_gce1_vrf18_req_mask_b = 1, + /* [12] */ + .reg_gce1_ddr_en_mask_b = 1, + /* [13] */ + .reg_spm_srcclkena_reserved_mask_b = 1, + /* [14] */ + .reg_spm_infra_req_reserved_mask_b = 1, + /* [15] */ + .reg_spm_apsrc_req_reserved_mask_b = 1, + /* [16] */ + .reg_spm_vrf18_req_reserved_mask_b = 1, + /* [17] */ + .reg_spm_ddr_en_reserved_mask_b = 1, + /* [18] */ + .reg_disp0_apsrc_req_mask_b = 1, + /* [19] */ + .reg_disp0_ddr_en_mask_b = 1, + /* [20] */ + .reg_disp1_apsrc_req_mask_b = 1, + /* [21] */ + .reg_disp1_ddr_en_mask_b = 1, + /* [22] */ + .reg_disp2_apsrc_req_mask_b = 1, + /* [23] */ + .reg_disp2_ddr_en_mask_b = 1, + /* [24] */ + .reg_disp3_apsrc_req_mask_b = 1, + /* [25] */ + .reg_disp3_ddr_en_mask_b = 1, + /* [26] */ + .reg_infrasys_apsrc_req_mask_b = 0, + /* [27] */ + .reg_infrasys_ddr_en_mask_b = 1, + + /* [28] */ + .reg_cg_check_srcclkena_mask_b = 1, + /* [29] */ + .reg_cg_check_apsrc_req_mask_b = 1, + /* [30] */ + .reg_cg_check_vrf18_req_mask_b = 1, + /* [31] */ + .reg_cg_check_ddr_en_mask_b = 1, + + /* SPM_SRC4_MASK */ + /* [8:0] */ + .reg_mcusys_merge_apsrc_req_mask_b = 0x17, + /* [17:9] */ + .reg_mcusys_merge_ddr_en_mask_b = 0x17, + /* [19:18] */ + .reg_dramc_md32_infra_req_mask_b = 0, + /* [21:20] */ + .reg_dramc_md32_vrf18_req_mask_b = 0, + /* [23:22] */ + .reg_dramc_md32_ddr_en_mask_b = 0, + /* [24] */ + .reg_dvfsrc_event_trigger_mask_b = 1, + + /* SPM_WAKEUP_EVENT_MASK2 */ + /* [3:0] */ + .reg_sc_sw2spm_wakeup_mask_b = 0, + /* [4] */ + .reg_sc_adsp2spm_wakeup_mask_b = 0, + /* [8:5] */ + .reg_sc_sspm2spm_wakeup_mask_b = 0, + /* [9] */ + .reg_sc_scp2spm_wakeup_mask_b = 0, + /* [10] */ + .reg_csyspwrup_ack_mask = 0, + /* [11] */ + .reg_csyspwrup_req_mask = 1, + + /* SPM_WAKEUP_EVENT_MASK */ + /* [31:0] */ + .reg_wakeup_event_mask = 0xC1382213, + + /* SPM_WAKEUP_EVENT_EXT_MASK */ + /* [31:0] */ + .reg_ext_wakeup_event_mask = 0xFFFFFFFF, +}; + +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); +} |