| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <assert.h> |
| #include <console/console.h> |
| #include <delay.h> |
| #include <device/mmio.h> |
| #include <soc/mcu_common.h> |
| #include <soc/spm.h> |
| #include <soc/spm_common.h> |
| #include <soc/symbols.h> |
| #include <timer.h> |
| |
| #define SPM_SYSTEM_BASE_OFFSET 0x40000000 |
| |
| static const struct pwr_ctrl spm_init_ctrl = { |
| .pcm_flags = SPM_FLAG_DISABLE_VCORE_DVS | SPM_FLAG_DISABLE_VCORE_DFS | |
| SPM_FLAG_RUN_COMMON_SCENARIO, |
| |
| /* 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 = 1, |
| /* [16] */ |
| .reg_ufs_infra_req_mask_b = 1, |
| /* [17] */ |
| .reg_ufs_apsrc_req_mask_b = 1, |
| /* [18] */ |
| .reg_ufs_vrf18_req_mask_b = 1, |
| /* [19] */ |
| .reg_ufs_ddr_en_mask_b = 1, |
| /* [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, |
| }; |
| |
| static void spm_set_power_control(const struct pwr_ctrl *pwrctrl) |
| { |
| /* Auto-gen Start */ |
| |
| /* SPM_AP_STANDBY_CON */ |
| write32(&mtk_spm->spm_ap_standby_con, |
| ((pwrctrl->reg_wfi_op & 0x1) << 0) | |
| ((pwrctrl->reg_wfi_type & 0x1) << 1) | |
| ((pwrctrl->reg_mp0_cputop_idle_mask & 0x1) << 2) | |
| ((pwrctrl->reg_mp1_cputop_idle_mask & 0x1) << 3) | |
| ((pwrctrl->reg_mcusys_idle_mask & 0x1) << 4) | |
| ((pwrctrl->reg_md_apsrc_1_sel & 0x1) << 25) | |
| ((pwrctrl->reg_md_apsrc_0_sel & 0x1) << 26) | |
| ((pwrctrl->reg_conn_apsrc_sel & 0x1) << 29)); |
| |
| /* SPM_SRC_REQ */ |
| write32(&mtk_spm->spm_src_req, |
| ((pwrctrl->reg_spm_apsrc_req & 0x1) << 0) | |
| ((pwrctrl->reg_spm_f26m_req & 0x1) << 1) | |
| ((pwrctrl->reg_spm_infra_req & 0x1) << 3) | |
| ((pwrctrl->reg_spm_vrf18_req & 0x1) << 4) | |
| ((pwrctrl->reg_spm_ddr_en_req & 0x1) << 7) | |
| ((pwrctrl->reg_spm_dvfs_req & 0x1) << 8) | |
| ((pwrctrl->reg_spm_sw_mailbox_req & 0x1) << 9) | |
| ((pwrctrl->reg_spm_sspm_mailbox_req & 0x1) << 10) | |
| ((pwrctrl->reg_spm_adsp_mailbox_req & 0x1) << 11) | |
| ((pwrctrl->reg_spm_scp_mailbox_req & 0x1) << 12)); |
| |
| /* SPM_SRC_MASK */ |
| write32(&mtk_spm->spm_src_mask, |
| ((pwrctrl->reg_sspm_srcclkena_0_mask_b & 0x1) << 0) | |
| ((pwrctrl->reg_sspm_infra_req_0_mask_b & 0x1) << 1) | |
| ((pwrctrl->reg_sspm_apsrc_req_0_mask_b & 0x1) << 2) | |
| ((pwrctrl->reg_sspm_vrf18_req_0_mask_b & 0x1) << 3) | |
| ((pwrctrl->reg_sspm_ddr_en_0_mask_b & 0x1) << 4) | |
| ((pwrctrl->reg_scp_srcclkena_mask_b & 0x1) << 5) | |
| ((pwrctrl->reg_scp_infra_req_mask_b & 0x1) << 6) | |
| ((pwrctrl->reg_scp_apsrc_req_mask_b & 0x1) << 7) | |
| ((pwrctrl->reg_scp_vrf18_req_mask_b & 0x1) << 8) | |
| ((pwrctrl->reg_scp_ddr_en_mask_b & 0x1) << 9) | |
| ((pwrctrl->reg_audio_dsp_srcclkena_mask_b & 0x1) << 10) | |
| ((pwrctrl->reg_audio_dsp_infra_req_mask_b & 0x1) << 11) | |
| ((pwrctrl->reg_audio_dsp_apsrc_req_mask_b & 0x1) << 12) | |
| ((pwrctrl->reg_audio_dsp_vrf18_req_mask_b & 0x1) << 13) | |
| ((pwrctrl->reg_audio_dsp_ddr_en_mask_b & 0x1) << 14) | |
| ((pwrctrl->reg_apu_srcclkena_mask_b & 0x1) << 15) | |
| ((pwrctrl->reg_apu_infra_req_mask_b & 0x1) << 16) | |
| ((pwrctrl->reg_apu_apsrc_req_mask_b & 0x1) << 17) | |
| ((pwrctrl->reg_apu_vrf18_req_mask_b & 0x1) << 18) | |
| ((pwrctrl->reg_apu_ddr_en_mask_b & 0x1) << 19) | |
| ((pwrctrl->reg_cpueb_srcclkena_mask_b & 0x1) << 20) | |
| ((pwrctrl->reg_cpueb_infra_req_mask_b & 0x1) << 21) | |
| ((pwrctrl->reg_cpueb_apsrc_req_mask_b & 0x1) << 22) | |
| ((pwrctrl->reg_cpueb_vrf18_req_mask_b & 0x1) << 23) | |
| ((pwrctrl->reg_cpueb_ddr_en_mask_b & 0x1) << 24) | |
| ((pwrctrl->reg_bak_psri_srcclkena_mask_b & 0x1) << 25) | |
| ((pwrctrl->reg_bak_psri_infra_req_mask_b & 0x1) << 26) | |
| ((pwrctrl->reg_bak_psri_apsrc_req_mask_b & 0x1) << 27) | |
| ((pwrctrl->reg_bak_psri_vrf18_req_mask_b & 0x1) << 28) | |
| ((pwrctrl->reg_bak_psri_ddr_en_mask_b & 0x1) << 29)); |
| |
| /* SPM_SRC2_MASK */ |
| write32(&mtk_spm->spm_src2_mask, |
| ((pwrctrl->reg_msdc0_srcclkena_mask_b & 0x1) << 0) | |
| ((pwrctrl->reg_msdc0_infra_req_mask_b & 0x1) << 1) | |
| ((pwrctrl->reg_msdc0_apsrc_req_mask_b & 0x1) << 2) | |
| ((pwrctrl->reg_msdc0_vrf18_req_mask_b & 0x1) << 3) | |
| ((pwrctrl->reg_msdc0_ddr_en_mask_b & 0x1) << 4) | |
| ((pwrctrl->reg_msdc1_srcclkena_mask_b & 0x1) << 5) | |
| ((pwrctrl->reg_msdc1_infra_req_mask_b & 0x1) << 6) | |
| ((pwrctrl->reg_msdc1_apsrc_req_mask_b & 0x1) << 7) | |
| ((pwrctrl->reg_msdc1_vrf18_req_mask_b & 0x1) << 8) | |
| ((pwrctrl->reg_msdc1_ddr_en_mask_b & 0x1) << 9) | |
| ((pwrctrl->reg_msdc2_srcclkena_mask_b & 0x1) << 10) | |
| ((pwrctrl->reg_msdc2_infra_req_mask_b & 0x1) << 11) | |
| ((pwrctrl->reg_msdc2_apsrc_req_mask_b & 0x1) << 12) | |
| ((pwrctrl->reg_msdc2_vrf18_req_mask_b & 0x1) << 13) | |
| ((pwrctrl->reg_msdc2_ddr_en_mask_b & 0x1) << 14) | |
| ((pwrctrl->reg_ufs_srcclkena_mask_b & 0x1) << 15) | |
| ((pwrctrl->reg_ufs_infra_req_mask_b & 0x1) << 16) | |
| ((pwrctrl->reg_ufs_apsrc_req_mask_b & 0x1) << 17) | |
| ((pwrctrl->reg_ufs_vrf18_req_mask_b & 0x1) << 18) | |
| ((pwrctrl->reg_ufs_ddr_en_mask_b & 0x1) << 19) | |
| ((pwrctrl->reg_usb_srcclkena_mask_b & 0x1) << 20) | |
| ((pwrctrl->reg_usb_infra_req_mask_b & 0x1) << 21) | |
| ((pwrctrl->reg_usb_apsrc_req_mask_b & 0x1) << 22) | |
| ((pwrctrl->reg_usb_vrf18_req_mask_b & 0x1) << 23) | |
| ((pwrctrl->reg_usb_ddr_en_mask_b & 0x1) << 24) | |
| ((pwrctrl->reg_pextp_p0_srcclkena_mask_b & 0x1) << 25) | |
| ((pwrctrl->reg_pextp_p0_infra_req_mask_b & 0x1) << 26) | |
| ((pwrctrl->reg_pextp_p0_apsrc_req_mask_b & 0x1) << 27) | |
| ((pwrctrl->reg_pextp_p0_vrf18_req_mask_b & 0x1) << 28) | |
| ((pwrctrl->reg_pextp_p0_ddr_en_mask_b & 0x1) << 29)); |
| |
| /* SPM_SRC3_MASK */ |
| write32(&mtk_spm->spm_src3_mask, |
| ((pwrctrl->reg_pextp_p1_srcclkena_mask_b & 0x1) << 0) | |
| ((pwrctrl->reg_pextp_p1_infra_req_mask_b & 0x1) << 1) | |
| ((pwrctrl->reg_pextp_p1_apsrc_req_mask_b & 0x1) << 2) | |
| ((pwrctrl->reg_pextp_p1_vrf18_req_mask_b & 0x1) << 3) | |
| ((pwrctrl->reg_pextp_p1_ddr_en_mask_b & 0x1) << 4) | |
| ((pwrctrl->reg_gce0_infra_req_mask_b & 0x1) << 5) | |
| ((pwrctrl->reg_gce0_apsrc_req_mask_b & 0x1) << 6) | |
| ((pwrctrl->reg_gce0_vrf18_req_mask_b & 0x1) << 7) | |
| ((pwrctrl->reg_gce0_ddr_en_mask_b & 0x1) << 8) | |
| ((pwrctrl->reg_gce1_infra_req_mask_b & 0x1) << 9) | |
| ((pwrctrl->reg_gce1_apsrc_req_mask_b & 0x1) << 10) | |
| ((pwrctrl->reg_gce1_vrf18_req_mask_b & 0x1) << 11) | |
| ((pwrctrl->reg_gce1_ddr_en_mask_b & 0x1) << 12) | |
| ((pwrctrl->reg_spm_srcclkena_reserved_mask_b & 0x1) << 13) | |
| ((pwrctrl->reg_spm_infra_req_reserved_mask_b & 0x1) << 14) | |
| ((pwrctrl->reg_spm_apsrc_req_reserved_mask_b & 0x1) << 15) | |
| ((pwrctrl->reg_spm_vrf18_req_reserved_mask_b & 0x1) << 16) | |
| ((pwrctrl->reg_spm_ddr_en_reserved_mask_b & 0x1) << 17) | |
| ((pwrctrl->reg_disp0_ddr_en_mask_b & 0x1) << 18) | |
| ((pwrctrl->reg_disp0_ddr_en_mask_b & 0x1) << 19) | |
| ((pwrctrl->reg_disp1_apsrc_req_mask_b & 0x1) << 20) | |
| ((pwrctrl->reg_disp1_ddr_en_mask_b & 0x1) << 21) | |
| ((pwrctrl->reg_disp2_apsrc_req_mask_b & 0x1) << 22) | |
| ((pwrctrl->reg_disp2_ddr_en_mask_b & 0x1) << 23) | |
| ((pwrctrl->reg_disp3_apsrc_req_mask_b & 0x1) << 24) | |
| ((pwrctrl->reg_disp3_ddr_en_mask_b & 0x1) << 25) | |
| ((pwrctrl->reg_infrasys_apsrc_req_mask_b & 0x1) << 26) | |
| ((pwrctrl->reg_infrasys_ddr_en_mask_b & 0x1) << 27)); |
| |
| /* SPM_SRC4_MASK */ |
| write32(&mtk_spm->spm_src4_mask, 0x1fc0000); |
| |
| /* SPM_WAKEUP_EVENT_MASK */ |
| write32(&mtk_spm->spm_wakeup_event_mask, |
| ((pwrctrl->reg_wakeup_event_mask & 0xffffffff) << 0)); |
| |
| /* SPM_WAKEUP_EVENT_EXT_MASK */ |
| write32(&mtk_spm->spm_wakeup_event_ext_mask, |
| ((pwrctrl->reg_ext_wakeup_event_mask & 0xffffffff) << 0)); |
| |
| /* Auto-gen End */ |
| } |
| |
| static void spm_register_init(void) |
| { |
| /* Enable register control */ |
| write32(&mtk_spm->poweron_config_set, |
| SPM_REGWR_CFG_KEY | BCLK_CG_EN_LSB); |
| |
| /* Init power control register */ |
| write32(&mtk_spm->spm_power_on_val1, POWER_ON_VAL1_DEF); |
| write32(&mtk_spm->pcm_pwr_io_en, 0); |
| |
| /* Reset PCM */ |
| write32(&mtk_spm->pcm_con0, |
| SPM_REGWR_CFG_KEY | PCM_CK_EN_LSB | PCM_SW_RESET_LSB); |
| write32(&mtk_spm->pcm_con0, SPM_REGWR_CFG_KEY | PCM_CK_EN_LSB); |
| write32(&mtk_spm->pcm_con1, |
| SPM_REGWR_CFG_KEY | REG_EVENT_LOCK_EN_LSB | |
| REG_SPM_SRAM_ISOINT_B_LSB | RG_AHBMIF_APBEN_LSB | |
| REG_MD32_APB_INTERNAL_EN_LSB); |
| |
| /* Initial SPM CLK control register */ |
| SET32_BITFIELDS(&mtk_spm->spm_clk_con, |
| REG_SYSCLK1_SRC_MD2_SRCCLKENA, 1); |
| |
| /* Clean wakeup event raw status */ |
| write32(&mtk_spm->spm_wakeup_event_mask, SPM_WAKEUP_EVENT_MASK_DEF); |
| |
| /* Clean ISR status */ |
| write32(&mtk_spm->spm_irq_mask, ISRM_ALL); |
| write32(&mtk_spm->spm_irq_sta, ISRC_ALL); |
| write32(&mtk_spm->spm_swint_clr, PCM_SW_INT_ALL); |
| |
| /* Init r7 with POWER_ON_VAL1 */ |
| write32(&mtk_spm->pcm_reg_data_ini, |
| read32(&mtk_spm->spm_power_on_val1)); |
| write32(&mtk_spm->pcm_pwr_io_en, PCM_RF_SYNC_R7); |
| write32(&mtk_spm->pcm_pwr_io_en, 0); |
| |
| /* Configure ARMPLL Control Mode for MCDI */ |
| write32(&mtk_spm->armpll_clk_sel, ARMPLL_CLK_SEL_DEF); |
| |
| /* Init for SPM Resource ACK */ |
| write32(&mtk_spm->spm_resource_ack_con0, SPM_RESOURCE_ACK_CON0_DEF); |
| write32(&mtk_spm->spm_resource_ack_con1, SPM_RESOURCE_ACK_CON1_DEF); |
| write32(&mtk_spm->spm_resource_ack_con2, SPM_RESOURCE_ACK_CON2_DEF); |
| write32(&mtk_spm->spm_resource_ack_con3, SPM_RESOURCE_ACK_CON3_DEF); |
| |
| /* Init VCORE DVFS Status */ |
| SET32_BITFIELDS(&mtk_spm->spm_dvfs_misc, |
| SPM_DVFS_FORCE_ENABLE_LSB, 0, |
| SPM_DVFSRC_ENABLE_LSB, 1); |
| write32(&mtk_spm->spm_dvfs_level, SPM_DVFS_LEVEL_DEF); |
| write32(&mtk_spm->spm_dvs_dfs_level, SPM_DVS_DFS_LEVEL_DEF); |
| |
| } |
| |
| static void spm_set_sysclk_settle(void) |
| { |
| write32(&mtk_spm->spm_clk_settle, SPM_SYSCLK_SETTLE); |
| } |
| |
| static void spm_code_swapping(void) |
| { |
| u32 mask; |
| |
| mask = read32(&mtk_spm->spm_wakeup_event_mask); |
| write32(&mtk_spm->spm_wakeup_event_mask, |
| mask & ~SPM_WAKEUP_EVENT_MASK_BIT0); |
| write32(&mtk_spm->spm_cpu_wakeup_event, 1); |
| write32(&mtk_spm->spm_cpu_wakeup_event, 0); |
| write32(&mtk_spm->spm_wakeup_event_mask, mask); |
| } |
| |
| static void spm_reset_and_init_pcm(void) |
| { |
| bool first_load_fw = true; |
| |
| /* Check the SPM FW is run or not */ |
| if (read32(&mtk_spm->md32pcm_cfgreg_sw_rstn) & |
| MD32PCM_CFGREG_SW_RSTN_RUN) |
| first_load_fw = false; |
| |
| if (!first_load_fw) { |
| spm_code_swapping(); |
| /* Backup PCM r0 -> SPM_POWER_ON_VAL0 before reset PCM */ |
| write32(&mtk_spm->spm_power_on_val0, |
| read32(&mtk_spm->pcm_reg0_data)); |
| } |
| |
| /* Disable r0 and r7 to control power */ |
| write32(&mtk_spm->pcm_pwr_io_en, 0); |
| |
| /* Disable pcm timer after leaving FW */ |
| clrsetbits32(&mtk_spm->pcm_con1, |
| RG_PCM_TIMER_EN_LSB, SPM_REGWR_CFG_KEY); |
| |
| /* Reset PCM */ |
| write32(&mtk_spm->pcm_con0, |
| SPM_REGWR_CFG_KEY | PCM_CK_EN_LSB | PCM_SW_RESET_LSB); |
| write32(&mtk_spm->pcm_con0, SPM_REGWR_CFG_KEY | PCM_CK_EN_LSB); |
| |
| /* Init PCM_CON1 (disable PCM timer but keep PCM WDT setting) */ |
| clrsetbits32(&mtk_spm->pcm_con1, ~RG_PCM_WDT_WAKE_LSB, |
| SPM_REGWR_CFG_KEY | REG_EVENT_LOCK_EN_LSB | |
| REG_SPM_SRAM_ISOINT_B_LSB | RG_AHBMIF_APBEN_LSB | |
| REG_MD32_APB_INTERNAL_EN_LSB); |
| } |
| |
| static void spm_kick_im_to_fetch(const struct dyna_load_pcm *pcm) |
| { |
| uintptr_t ptr; |
| u32 dmem_words; |
| u32 pmem_words; |
| u32 total_words; |
| u32 pmem_start; |
| u32 dmem_start; |
| |
| ptr = (uintptr_t)pcm->buf + SPM_SYSTEM_BASE_OFFSET; |
| pmem_words = pcm->desc.pmem_words; |
| total_words = pcm->desc.total_words; |
| dmem_words = total_words - pmem_words; |
| pmem_start = pcm->desc.pmem_start; |
| dmem_start = pcm->desc.dmem_start; |
| |
| printk(BIOS_DEBUG, "%s: ptr = %#lx, pmem/dmem words = %#x/%#x\n", |
| __func__, (long)ptr, pmem_words, dmem_words); |
| |
| /* DMA needs 16-byte aligned source data. */ |
| assert(ptr % 16 == 0); |
| |
| write32(&mtk_spm->md32pcm_dma0_src, ptr); |
| write32(&mtk_spm->md32pcm_dma0_dst, pmem_start); |
| write32(&mtk_spm->md32pcm_dma0_wppt, pmem_words); |
| write32(&mtk_spm->md32pcm_dma0_wpto, dmem_start); |
| write32(&mtk_spm->md32pcm_dma0_count, total_words); |
| write32(&mtk_spm->md32pcm_dma0_con, MD32PCM_DMA0_CON_VAL); |
| write32(&mtk_spm->md32pcm_dma0_start, MD32PCM_DMA0_START_VAL); |
| |
| setbits32(&mtk_spm->pcm_con0, SPM_REGWR_CFG_KEY | PCM_CK_EN_LSB); |
| } |
| |
| static void spm_init_pcm_register(void) |
| { |
| /* Init r0 with POWER_ON_VAL0 */ |
| write32(&mtk_spm->pcm_reg_data_ini, |
| read32(&mtk_spm->spm_power_on_val0)); |
| write32(&mtk_spm->pcm_pwr_io_en, PCM_RF_SYNC_R0); |
| write32(&mtk_spm->pcm_pwr_io_en, 0); |
| |
| /* Init r7 with POWER_ON_VAL1 */ |
| write32(&mtk_spm->pcm_reg_data_ini, |
| read32(&mtk_spm->spm_power_on_val1)); |
| write32(&mtk_spm->pcm_pwr_io_en, PCM_RF_SYNC_R7); |
| write32(&mtk_spm->pcm_pwr_io_en, 0); |
| } |
| |
| static void spm_set_wakeup_event(const struct pwr_ctrl *pwrctrl) |
| { |
| u32 val, mask; |
| |
| /* Toggle event counter clear */ |
| setbits32(&mtk_spm->pcm_con1, |
| SPM_REGWR_CFG_KEY | SPM_EVENT_COUNTER_CLR_LSB); |
| |
| /* Toggle for reset SYS TIMER start point */ |
| SET32_BITFIELDS(&mtk_spm->sys_timer_con, |
| SYS_TIMER_START_EN_LSB, 1); |
| |
| if (pwrctrl->timer_val_cust == 0) |
| val = pwrctrl->timer_val ? pwrctrl->timer_val : PCM_TIMER_MAX; |
| else |
| val = pwrctrl->timer_val_cust; |
| |
| write32(&mtk_spm->pcm_timer_val, val); |
| |
| /* Disable pcm timer */ |
| clrsetbits32(&mtk_spm->pcm_con1, |
| RG_PCM_TIMER_EN_LSB, SPM_REGWR_CFG_KEY); |
| |
| /* Unmask AP wakeup source */ |
| if (pwrctrl->wake_src_cust == 0) |
| mask = pwrctrl->wake_src; |
| else |
| mask = pwrctrl->wake_src_cust; |
| |
| write32(&mtk_spm->spm_wakeup_event_mask, ~mask); |
| |
| /* Unmask SPM ISR */ |
| SET32_BITFIELDS(&mtk_spm->spm_irq_mask, |
| ISRM_TWAM_BF, 1, |
| ISRM_RET_IRQ_AUX_BF, 0x3ff); |
| |
| /* Toggle event counter clear */ |
| clrsetbits32(&mtk_spm->pcm_con1, |
| SPM_EVENT_COUNTER_CLR_LSB, SPM_REGWR_CFG_KEY); |
| |
| /* Toggle for reset SYS TIMER start point */ |
| SET32_BITFIELDS(&mtk_spm->sys_timer_con, |
| SYS_TIMER_START_EN_LSB, 0); |
| } |
| |
| static void spm_set_pcm_flags(const struct pwr_ctrl *pwrctrl) |
| { |
| u32 pcm_flags = pwrctrl->pcm_flags, pcm_flags1 = pwrctrl->pcm_flags1; |
| |
| /* Set PCM flags and data */ |
| if (pwrctrl->pcm_flags_cust_clr != 0) |
| pcm_flags &= ~pwrctrl->pcm_flags_cust_clr; |
| if (pwrctrl->pcm_flags_cust_set != 0) |
| pcm_flags |= pwrctrl->pcm_flags_cust_set; |
| if (pwrctrl->pcm_flags1_cust_clr != 0) |
| pcm_flags1 &= ~pwrctrl->pcm_flags1_cust_clr; |
| if (pwrctrl->pcm_flags1_cust_set != 0) |
| pcm_flags1 |= pwrctrl->pcm_flags1_cust_set; |
| |
| write32(&mtk_spm->spm_sw_flag_0, pcm_flags); |
| write32(&mtk_spm->spm_sw_flag_1, pcm_flags1); |
| write32(&mtk_spm->spm_sw_rsv_7, pcm_flags); |
| write32(&mtk_spm->spm_sw_rsv_8, pcm_flags1); |
| } |
| |
| static void spm_kick_pcm_to_run(const struct pwr_ctrl *pwrctrl) |
| { |
| /* Waiting for loading SPMFW done*/ |
| while (read32(&mtk_spm->md32pcm_dma0_rlct) != 0x0) |
| ; |
| |
| /* Init register to match PCM expectation */ |
| write32(&mtk_spm->spm_bus_protect_mask_b, SPM_BUS_PROTECT_MASK_B_DEF); |
| write32(&mtk_spm->spm_bus_protect2_mask_b, |
| SPM_BUS_PROTECT2_MASK_B_DEF); |
| write32(&mtk_spm->pcm_reg_data_ini, 0); |
| |
| spm_set_pcm_flags(pwrctrl); |
| |
| /* Kick PCM to run (only toggle PCM_KICK) */ |
| setbits32(&mtk_spm->pcm_con0, SPM_REGWR_CFG_KEY | PCM_CK_EN_LSB); |
| |
| /* Reset md32pcm */ |
| SET32_BITFIELDS(&mtk_spm->md32pcm_cfgreg_sw_rstn, |
| MD32PCM_CFGREG_SW_RSTN_RESET, 1); |
| |
| /* Waiting for SPM init done */ |
| udelay(SPM_INIT_DONE_US); |
| } |
| |
| static void reset_spm(struct mtk_mcu *mcu) |
| { |
| struct dyna_load_pcm *pcm = (struct dyna_load_pcm *)mcu->priv; |
| |
| spm_parse_firmware(mcu); |
| spm_reset_and_init_pcm(); |
| spm_kick_im_to_fetch(pcm); |
| spm_init_pcm_register(); |
| spm_set_wakeup_event(&spm_init_ctrl); |
| spm_kick_pcm_to_run(&spm_init_ctrl); |
| } |
| |
| static struct mtk_mcu spm = { |
| .firmware_name = CONFIG_SPM_FIRMWARE, |
| .reset = reset_spm, |
| }; |
| |
| int spm_init(void) |
| { |
| struct dyna_load_pcm pcm; |
| struct stopwatch sw; |
| |
| stopwatch_init(&sw); |
| |
| spm_register_init(); |
| spm_set_power_control(&spm_init_ctrl); |
| spm_set_sysclk_settle(); |
| |
| spm.load_buffer = _dram_dma; |
| spm.buffer_size = REGION_SIZE(dram_dma); |
| spm.priv = (void *)&pcm; |
| |
| if (mtk_init_mcu(&spm)) { |
| printk(BIOS_ERR, "SPM: %s: failed in mtk_init_mcu\n", __func__); |
| return -1; |
| } |
| |
| printk(BIOS_INFO, "SPM: %s done in %ld msecs, spm pc = %#x\n", |
| __func__, stopwatch_duration_msecs(&sw), |
| read32(&mtk_spm->md32pcm_pc)); |
| |
| return 0; |
| } |