| /* |
| * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| #include <lib/bakery_lock.h> |
| #include <common/debug.h> |
| #include <drivers/delay_timer.h> |
| #include <lib/mmio.h> |
| #include <spm.h> |
| #include <spm_pmic_wrap.h> |
| |
| DEFINE_BAKERY_LOCK(spm_lock); |
| |
| /* SPM_DVS_LEVEL */ |
| #define SPM_VMODEM_LEVEL_MASK (0xff << 16) |
| #define SPM_VMODEM_LEVEL (1U << 18) |
| #define SPM_VCORE_LEVEL_MASK (0xff) |
| #define SPM_VCORE_LEVEL (1U << 1) |
| |
| /* CLK_SCP_CFG_0 */ |
| #define SPM_CK_OFF_CONTROL (0x3FF) |
| |
| /* CLK_SCP_CFG_1 */ |
| #define SPM_AXI_26M_SEL (0x1) |
| |
| /* AP_PLL_CON3 */ |
| #define SPM_PLL_CONTROL (0x7FAAAAF) |
| |
| /* AP_PLL_CON4 */ |
| #define SPM_PLL_OUT_OFF_CONTROL (0xFA0A) |
| |
| /* AP_PLL_CON6 */ |
| #define PLL_DLY (0x20000) |
| |
| const char *wakeup_src_str[32] = { |
| [0] = "R12_PCM_TIMER", |
| [1] = "R12_SSPM_WDT_EVENT_B", |
| [2] = "R12_KP_IRQ_B", |
| [3] = "R12_APWDT_EVENT_B", |
| [4] = "R12_APXGPT1_EVENT_B", |
| [5] = "R12_CONN2AP_SPM_WAKEUP_B", |
| [6] = "R12_EINT_EVENT_B", |
| [7] = "R12_CONN_WDT_IRQ_B", |
| [8] = "R12_CCIF0_EVENT_B", |
| [9] = "R12_LOWBATTERY_IRQ_B", |
| [10] = "R12_SSPM_SPM_IRQ_B", |
| [11] = "R12_SCP_SPM_IRQ_B", |
| [12] = "R12_SCP_WDT_EVENT_B", |
| [13] = "R12_PCM_WDT_WAKEUP_B", |
| [14] = "R12_USB_CDSC_B ", |
| [15] = "R12_USB_POWERDWN_B", |
| [16] = "R12_SYS_TIMER_EVENT_B", |
| [17] = "R12_EINT_EVENT_SECURE_B", |
| [18] = "R12_CCIF1_EVENT_B", |
| [19] = "R12_UART0_IRQ_B", |
| [20] = "R12_AFE_IRQ_MCU_B", |
| [21] = "R12_THERM_CTRL_EVENT_B", |
| [22] = "R12_SYS_CIRQ_IRQ_B", |
| [23] = "R12_MD2AP_PEER_EVENT_B", |
| [24] = "R12_CSYSPWREQ_B", |
| [25] = "R12_MD1_WDT_B ", |
| [26] = "R12_CLDMA_EVENT_B", |
| [27] = "R12_SEJ_WDT_GPT_B", |
| [28] = "R12_ALL_SSPM_WAKEUP_B", |
| [29] = "R12_CPU_IRQ_B", |
| [30] = "R12_CPU_WFI_AND_B" |
| }; |
| |
| const char *spm_get_firmware_version(void) |
| { |
| return "DYNAMIC_SPM_FW_VERSION"; |
| } |
| |
| void spm_lock_init(void) |
| { |
| bakery_lock_init(&spm_lock); |
| } |
| |
| void spm_lock_get(void) |
| { |
| bakery_lock_get(&spm_lock); |
| } |
| |
| void spm_lock_release(void) |
| { |
| bakery_lock_release(&spm_lock); |
| } |
| |
| void spm_set_bootaddr(unsigned long bootaddr) |
| { |
| /* initialize core4~7 boot entry address */ |
| mmio_write_32(SW2SPM_MAILBOX_3, bootaddr); |
| } |
| |
| void spm_set_cpu_status(int cpu) |
| { |
| if (cpu >= 0 && cpu < 4) { |
| mmio_write_32(ROOT_CPUTOP_ADDR, 0x10006204); |
| mmio_write_32(ROOT_CORE_ADDR, 0x10006208 + (cpu * 0x4)); |
| } else if (cpu >= 4 && cpu < 8) { |
| mmio_write_32(ROOT_CPUTOP_ADDR, 0x10006218); |
| mmio_write_32(ROOT_CORE_ADDR, 0x1000621c + ((cpu - 4) * 0x4)); |
| } else { |
| ERROR("%s: error cpu number %d\n", __func__, cpu); |
| } |
| } |
| |
| void spm_set_power_control(const struct pwr_ctrl *pwrctrl) |
| { |
| mmio_write_32(SPM_AP_STANDBY_CON, |
| ((pwrctrl->wfi_op & 0x1) << 0) | |
| ((pwrctrl->mp0_cputop_idle_mask & 0x1) << 1) | |
| ((pwrctrl->mp1_cputop_idle_mask & 0x1) << 2) | |
| ((pwrctrl->mcusys_idle_mask & 0x1) << 4) | |
| ((pwrctrl->mm_mask_b & 0x3) << 16) | |
| ((pwrctrl->md_ddr_en_0_dbc_en & 0x1) << 18) | |
| ((pwrctrl->md_ddr_en_1_dbc_en & 0x1) << 19) | |
| ((pwrctrl->md_mask_b & 0x3) << 20) | |
| ((pwrctrl->sspm_mask_b & 0x1) << 22) | |
| ((pwrctrl->scp_mask_b & 0x1) << 23) | |
| ((pwrctrl->srcclkeni_mask_b & 0x1) << 24) | |
| ((pwrctrl->md_apsrc_1_sel & 0x1) << 25) | |
| ((pwrctrl->md_apsrc_0_sel & 0x1) << 26) | |
| ((pwrctrl->conn_ddr_en_dbc_en & 0x1) << 27) | |
| ((pwrctrl->conn_mask_b & 0x1) << 28) | |
| ((pwrctrl->conn_apsrc_sel & 0x1) << 29)); |
| |
| mmio_write_32(SPM_SRC_REQ, |
| ((pwrctrl->spm_apsrc_req & 0x1) << 0) | |
| ((pwrctrl->spm_f26m_req & 0x1) << 1) | |
| ((pwrctrl->spm_infra_req & 0x1) << 3) | |
| ((pwrctrl->spm_vrf18_req & 0x1) << 4) | |
| ((pwrctrl->spm_ddren_req & 0x1) << 7) | |
| ((pwrctrl->spm_rsv_src_req & 0x7) << 8) | |
| ((pwrctrl->spm_ddren_2_req & 0x1) << 11) | |
| ((pwrctrl->cpu_md_dvfs_sop_force_on & 0x1) << 16)); |
| |
| mmio_write_32(SPM_SRC_MASK, |
| ((pwrctrl->csyspwreq_mask & 0x1) << 0) | |
| ((pwrctrl->ccif0_md_event_mask_b & 0x1) << 1) | |
| ((pwrctrl->ccif0_ap_event_mask_b & 0x1) << 2) | |
| ((pwrctrl->ccif1_md_event_mask_b & 0x1) << 3) | |
| ((pwrctrl->ccif1_ap_event_mask_b & 0x1) << 4) | |
| ((pwrctrl->ccif2_md_event_mask_b & 0x1) << 5) | |
| ((pwrctrl->ccif2_ap_event_mask_b & 0x1) << 6) | |
| ((pwrctrl->ccif3_md_event_mask_b & 0x1) << 7) | |
| ((pwrctrl->ccif3_ap_event_mask_b & 0x1) << 8) | |
| ((pwrctrl->md_srcclkena_0_infra_mask_b & 0x1) << 9) | |
| ((pwrctrl->md_srcclkena_1_infra_mask_b & 0x1) << 10) | |
| ((pwrctrl->conn_srcclkena_infra_mask_b & 0x1) << 11) | |
| ((pwrctrl->ufs_infra_req_mask_b & 0x1) << 12) | |
| ((pwrctrl->srcclkeni_infra_mask_b & 0x1) << 13) | |
| ((pwrctrl->md_apsrc_req_0_infra_mask_b & 0x1) << 14) | |
| ((pwrctrl->md_apsrc_req_1_infra_mask_b & 0x1) << 15) | |
| ((pwrctrl->conn_apsrcreq_infra_mask_b & 0x1) << 16) | |
| ((pwrctrl->ufs_srcclkena_mask_b & 0x1) << 17) | |
| ((pwrctrl->md_vrf18_req_0_mask_b & 0x1) << 18) | |
| ((pwrctrl->md_vrf18_req_1_mask_b & 0x1) << 19) | |
| ((pwrctrl->ufs_vrf18_req_mask_b & 0x1) << 20) | |
| ((pwrctrl->gce_vrf18_req_mask_b & 0x1) << 21) | |
| ((pwrctrl->conn_infra_req_mask_b & 0x1) << 22) | |
| ((pwrctrl->gce_apsrc_req_mask_b & 0x1) << 23) | |
| ((pwrctrl->disp0_apsrc_req_mask_b & 0x1) << 24) | |
| ((pwrctrl->disp1_apsrc_req_mask_b & 0x1) << 25) | |
| ((pwrctrl->mfg_req_mask_b & 0x1) << 26) | |
| ((pwrctrl->vdec_req_mask_b & 0x1) << 27)); |
| |
| mmio_write_32(SPM_SRC2_MASK, |
| ((pwrctrl->md_ddr_en_0_mask_b & 0x1) << 0) | |
| ((pwrctrl->md_ddr_en_1_mask_b & 0x1) << 1) | |
| ((pwrctrl->conn_ddr_en_mask_b & 0x1) << 2) | |
| ((pwrctrl->ddren_sspm_apsrc_req_mask_b & 0x1) << 3) | |
| ((pwrctrl->ddren_scp_apsrc_req_mask_b & 0x1) << 4) | |
| ((pwrctrl->disp0_ddren_mask_b & 0x1) << 5) | |
| ((pwrctrl->disp1_ddren_mask_b & 0x1) << 6) | |
| ((pwrctrl->gce_ddren_mask_b & 0x1) << 7) | |
| ((pwrctrl->ddren_emi_self_refresh_ch0_mask_b & 0x1) |
| << 8) | |
| ((pwrctrl->ddren_emi_self_refresh_ch1_mask_b & 0x1) |
| << 9)); |
| |
| mmio_write_32(SPM_WAKEUP_EVENT_MASK, |
| ((pwrctrl->spm_wakeup_event_mask & 0xffffffff) << 0)); |
| |
| mmio_write_32(SPM_WAKEUP_EVENT_EXT_MASK, |
| ((pwrctrl->spm_wakeup_event_ext_mask & 0xffffffff) |
| << 0)); |
| |
| mmio_write_32(SPM_SRC3_MASK, |
| ((pwrctrl->md_ddr_en_2_0_mask_b & 0x1) << 0) | |
| ((pwrctrl->md_ddr_en_2_1_mask_b & 0x1) << 1) | |
| ((pwrctrl->conn_ddr_en_2_mask_b & 0x1) << 2) | |
| ((pwrctrl->ddren2_sspm_apsrc_req_mask_b & 0x1) << 3) | |
| ((pwrctrl->ddren2_scp_apsrc_req_mask_b & 0x1) << 4) | |
| ((pwrctrl->disp0_ddren2_mask_b & 0x1) << 5) | |
| ((pwrctrl->disp1_ddren2_mask_b & 0x1) << 6) | |
| ((pwrctrl->gce_ddren2_mask_b & 0x1) << 7) | |
| ((pwrctrl->ddren2_emi_self_refresh_ch0_mask_b & 0x1) |
| << 8) | |
| ((pwrctrl->ddren2_emi_self_refresh_ch1_mask_b & 0x1) |
| << 9)); |
| |
| mmio_write_32(MP0_CPU0_WFI_EN, |
| ((pwrctrl->mp0_cpu0_wfi_en & 0x1) << 0)); |
| mmio_write_32(MP0_CPU1_WFI_EN, |
| ((pwrctrl->mp0_cpu1_wfi_en & 0x1) << 0)); |
| mmio_write_32(MP0_CPU2_WFI_EN, |
| ((pwrctrl->mp0_cpu2_wfi_en & 0x1) << 0)); |
| mmio_write_32(MP0_CPU3_WFI_EN, |
| ((pwrctrl->mp0_cpu3_wfi_en & 0x1) << 0)); |
| |
| mmio_write_32(MP1_CPU0_WFI_EN, |
| ((pwrctrl->mp1_cpu0_wfi_en & 0x1) << 0)); |
| mmio_write_32(MP1_CPU1_WFI_EN, |
| ((pwrctrl->mp1_cpu1_wfi_en & 0x1) << 0)); |
| mmio_write_32(MP1_CPU2_WFI_EN, |
| ((pwrctrl->mp1_cpu2_wfi_en & 0x1) << 0)); |
| mmio_write_32(MP1_CPU3_WFI_EN, |
| ((pwrctrl->mp1_cpu3_wfi_en & 0x1) << 0)); |
| } |
| |
| void spm_disable_pcm_timer(void) |
| { |
| mmio_clrsetbits_32(PCM_CON1, PCM_TIMER_EN_LSB, SPM_REGWR_CFG_KEY); |
| } |
| |
| void spm_set_wakeup_event(const struct pwr_ctrl *pwrctrl) |
| { |
| uint32_t val, mask, isr; |
| |
| val = pwrctrl->timer_val ? pwrctrl->timer_val : PCM_TIMER_MAX; |
| mmio_write_32(PCM_TIMER_VAL, val); |
| mmio_setbits_32(PCM_CON1, SPM_REGWR_CFG_KEY | PCM_TIMER_EN_LSB); |
| |
| mask = pwrctrl->wake_src; |
| |
| if (pwrctrl->csyspwreq_mask) |
| mask &= ~WAKE_SRC_R12_CSYSPWREQ_B; |
| |
| mmio_write_32(SPM_WAKEUP_EVENT_MASK, ~mask); |
| |
| isr = mmio_read_32(SPM_IRQ_MASK) & SPM_TWAM_IRQ_MASK_LSB; |
| mmio_write_32(SPM_IRQ_MASK, isr | ISRM_RET_IRQ_AUX); |
| } |
| |
| void spm_set_pcm_flags(const struct pwr_ctrl *pwrctrl) |
| { |
| mmio_write_32(SPM_SW_FLAG, pwrctrl->pcm_flags); |
| mmio_write_32(SPM_SW_RSV_2, pwrctrl->pcm_flags1); |
| } |
| |
| void spm_set_pcm_wdt(int en) |
| { |
| if (en) { |
| mmio_clrsetbits_32(PCM_CON1, PCM_WDT_WAKE_MODE_LSB, |
| SPM_REGWR_CFG_KEY); |
| |
| if (mmio_read_32(PCM_TIMER_VAL) > PCM_TIMER_MAX) |
| mmio_write_32(PCM_TIMER_VAL, PCM_TIMER_MAX); |
| mmio_write_32(PCM_WDT_VAL, |
| mmio_read_32(PCM_TIMER_VAL) + PCM_WDT_TIMEOUT); |
| mmio_setbits_32(PCM_CON1, SPM_REGWR_CFG_KEY | PCM_WDT_EN_LSB); |
| } else { |
| mmio_clrsetbits_32(PCM_CON1, PCM_WDT_EN_LSB, |
| SPM_REGWR_CFG_KEY); |
| } |
| } |
| |
| void spm_send_cpu_wakeup_event(void) |
| { |
| mmio_write_32(PCM_REG_DATA_INI, 0); |
| mmio_write_32(SPM_CPU_WAKEUP_EVENT, 1); |
| } |
| |
| void spm_get_wakeup_status(struct wake_status *wakesta) |
| { |
| wakesta->assert_pc = mmio_read_32(PCM_REG_DATA_INI); |
| wakesta->r12 = mmio_read_32(SPM_SW_RSV_0); |
| wakesta->r12_ext = mmio_read_32(PCM_REG12_EXT_DATA); |
| wakesta->raw_sta = mmio_read_32(SPM_WAKEUP_STA); |
| wakesta->raw_ext_sta = mmio_read_32(SPM_WAKEUP_EXT_STA); |
| wakesta->wake_misc = mmio_read_32(SPM_BSI_D0_SR); |
| wakesta->timer_out = mmio_read_32(SPM_BSI_D1_SR); |
| wakesta->r13 = mmio_read_32(PCM_REG13_DATA); |
| wakesta->idle_sta = mmio_read_32(SUBSYS_IDLE_STA); |
| wakesta->req_sta = mmio_read_32(SRC_REQ_STA); |
| wakesta->sw_flag = mmio_read_32(SPM_SW_FLAG); |
| wakesta->sw_flag1 = mmio_read_32(SPM_SW_RSV_2); |
| wakesta->r15 = mmio_read_32(PCM_REG15_DATA); |
| wakesta->debug_flag = mmio_read_32(SPM_SW_DEBUG); |
| wakesta->debug_flag1 = mmio_read_32(WDT_LATCH_SPARE0_FIX); |
| wakesta->event_reg = mmio_read_32(SPM_BSI_D2_SR); |
| wakesta->isr = mmio_read_32(SPM_IRQ_STA); |
| } |
| |
| void spm_clean_after_wakeup(void) |
| { |
| mmio_write_32(SPM_SW_RSV_0, |
| mmio_read_32(SPM_WAKEUP_STA) | |
| mmio_read_32(SPM_SW_RSV_0)); |
| mmio_write_32(SPM_CPU_WAKEUP_EVENT, 0); |
| mmio_write_32(SPM_WAKEUP_EVENT_MASK, ~0); |
| mmio_setbits_32(SPM_IRQ_MASK, ISRM_ALL_EXC_TWAM); |
| mmio_write_32(SPM_IRQ_STA, ISRC_ALL_EXC_TWAM); |
| mmio_write_32(SPM_SWINT_CLR, PCM_SW_INT_ALL); |
| } |
| |
| void spm_output_wake_reason(struct wake_status *wakesta, const char *scenario) |
| { |
| uint32_t i; |
| |
| if (wakesta->assert_pc != 0) { |
| INFO("%s: PCM ASSERT AT %u, ULPOSC_CON = 0x%x\n", |
| scenario, wakesta->assert_pc, mmio_read_32(ULPOSC_CON)); |
| goto spm_debug_flags; |
| } |
| |
| for (i = 0; i <= 31; i++) { |
| if (wakesta->r12 & (1U << i)) { |
| INFO("%s: wake up by %s, timer_out = %u\n", |
| scenario, wakeup_src_str[i], wakesta->timer_out); |
| break; |
| } |
| } |
| |
| spm_debug_flags: |
| INFO("r15 = 0x%x, r13 = 0x%x, debug_flag = 0x%x 0x%x\n", |
| wakesta->r15, wakesta->r13, wakesta->debug_flag, |
| wakesta->debug_flag1); |
| INFO("sw_flag = 0x%x 0x%x, r12 = 0x%x, r12_ext = 0x%x\n", |
| wakesta->sw_flag, wakesta->sw_flag1, wakesta->r12, |
| wakesta->r12_ext); |
| INFO("idle_sta = 0x%x, req_sta = 0x%x, event_reg = 0x%x\n", |
| wakesta->idle_sta, wakesta->req_sta, wakesta->event_reg); |
| INFO("isr = 0x%x, raw_sta = 0x%x, raw_ext_sta = 0x%x\n", |
| wakesta->isr, wakesta->raw_sta, wakesta->raw_ext_sta); |
| INFO("wake_misc = 0x%x\n", wakesta->wake_misc); |
| } |
| |
| void spm_boot_init(void) |
| { |
| NOTICE("%s() start\n", __func__); |
| |
| spm_lock_init(); |
| mt_spm_pmic_wrap_set_phase(PMIC_WRAP_PHASE_ALLINONE); |
| |
| /* Set Vmodem / Vcore DVS init level */ |
| mmio_clrsetbits_32(SPM_DVS_LEVEL, |
| SPM_VMODEM_LEVEL_MASK | SPM_VCORE_LEVEL_MASK, |
| SPM_VMODEM_LEVEL | SPM_VCORE_LEVEL); |
| |
| /* switch ck_off/axi_26m control to SPM */ |
| mmio_setbits_32(CLK_SCP_CFG_0, SPM_CK_OFF_CONTROL); |
| mmio_setbits_32(CLK_SCP_CFG_1, SPM_AXI_26M_SEL); |
| |
| /* switch PLL/CLKSQ control to SPM */ |
| mmio_clrbits_32(AP_PLL_CON3, SPM_PLL_CONTROL); |
| mmio_clrbits_32(AP_PLL_CON4, SPM_PLL_OUT_OFF_CONTROL); |
| mmio_clrbits_32(AP_PLL_CON6, PLL_DLY); |
| |
| NOTICE("%s() end\n", __func__); |
| } |