/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2019 MediaTek Inc. */ /****************************************************************************** * MTK PMIC Wrapper Driver * * Copyright 2018 MediaTek Co.,Ltd. * * DESCRIPTION: * This file provides API for other drivers to access PMIC registers * ******************************************************************************/ #include #include #include #include #include #include #ifdef CONFIG_OF #include #include #include #endif /* #include */ #include #include "pwrap_hal.h" #include /* #include */ #include #undef CONFIG_MTK_TINYSYS_SSPM_SUPPORT #ifdef CONFIG_MTK_TINYSYS_SSPM_SUPPORT #include "sspm_ipi.h" #endif #define PMIC_WRAP_DEVICE "pmic_wrap" /************* marco ******************************************************/ #if (PMIC_WRAP_PRELOADER) #elif (PMIC_WRAP_LK) #elif (PMIC_WRAP_KERNEL) #ifdef CONFIG_OF void __iomem *pwrap_base; #ifndef PMIC_WRAP_NO_PMIC static void __iomem *topckgen_base; static void __iomem *infracfg_ao_base; #endif /* end of #ifndef PMIC_WRAP_NO_PMIC */ #endif #ifndef PMIC_WRAP_NO_PMIC static struct mt_pmic_wrap_driver *mt_wrp; static spinlock_t wrp_lock = __SPIN_LOCK_UNLOCKED(lock); #ifdef CONFIG_MTK_TINYSYS_SSPM_SUPPORT #define WRITE_CMD 1 #define READ_CMD 0 #define WRITE_PMIC 1 #define WRITE_PMIC_WRAP 0 static unsigned int pwrap_recv_data[4] = {0}; static signed int pwrap_wacs2_ipi(unsigned int adr, unsigned int rdata, unsigned int flag); static int pwrap_ipi_register(void); #endif #ifdef CONFIG_OF static int pwrap_of_iomap(void); static void pwrap_of_iounmap(void); #endif #endif /* end of #ifndef PMIC_WRAP_NO_PMIC */ #elif (PMIC_WRAP_SCP) #elif (PMIC_WRAP_CTP) #else ### Compile error, check SW ENV define #endif #ifdef PMIC_WRAP_NO_PMIC #if !(PMIC_WRAP_KERNEL) signed int pwrap_wacs2(unsigned int write, unsigned int adr, unsigned int wdata, unsigned int *rdata) { pr_info("[PWRAP] PMIC_WRAP do Nothing.\n"); return 0; } signed int pwrap_read(unsigned int adr, unsigned int *rdata) { pr_info("[PWRAP] PMIC_WRAP do Nothing.\n"); return 0; } signed int pwrap_write(unsigned int adr, unsigned int wdata) { pr_info("[PWRAP] PMIC_WRAP do Nothing.\n"); return 0; } #endif signed int pwrap_wacs2_read(unsigned int adr, unsigned int *rdata) { pr_info("[PWRAP] PMIC_WRAP do Nothing.\n"); return 0; } /* Provide PMIC write API */ signed int pwrap_wacs2_write(unsigned int adr, unsigned int wdata) { pr_info("[PWRAP] PMIC_WRAP do Nothing.\n"); return 0; } signed int pwrap_read_nochk(unsigned int adr, unsigned int *rdata) { pr_info("[PWRAP] PMIC_WRAP do Nothing.\n"); return 0; } signed int pwrap_write_nochk(unsigned int adr, unsigned int wdata) { pr_info("[PWRAP] PMIC_WRAP do Nothing.\n"); return 0; } /* *pmic_wrap init,init wrap interface * */ static int __init pwrap_hal_init(void) { pr_info("[PWRAP] PMIC_WRAP do Nothing.\n"); return 0; } signed int pwrap_init(void) { pr_info("[PWRAP] PMIC_WRAP do Nothing.\n"); return 0; } signed int pwrap_init_preloader(void) { pr_info("[PWRAP] PMIC_WRAP do Nothing.\n"); return 0; } #if !defined CONFIG_MTK_PMIC_WRAP void pwrap_dump_all_register(void) { pr_info("[PWRAP] PMIC_WRAP do Nothing.\n"); } #endif #else /* #ifdef PMIC_WRAP_NO_PMIC */ /********************* start ---internal API *********************************/ static int _pwrap_timeout_ns(unsigned long long start_time_ns, unsigned long long timeout_time_ns); static unsigned long long _pwrap_get_current_time(void); static unsigned long long _pwrap_time2ns(unsigned long long time_us); static signed int _pwrap_reset_spislv(void); static signed int _pwrap_init_dio(unsigned int dio_en); static signed int _pwrap_init_cipher(void); static signed int _pwrap_init_reg_clock(unsigned int regck_sel); static void _pwrap_enable(void); static void _pwrap_starve_set(void); static signed int _pwrap_wacs2_nochk(unsigned int write, unsigned int adr, unsigned int wdata, unsigned int *rdata); static signed int pwrap_wacs2_hal(unsigned int write, unsigned int adr, unsigned int wdata, unsigned int *rdata); /************************ test API *******************************************/ static inline void pwrap_dump_ap_register(void); static void pwrap_logging_at_isr(void); static void pwrap_reenable_pmic_logging(void); static unsigned int pwrap_write_test(void); static unsigned int pwrap_read_test(void); /********************* end--internal API *************************************/ /*************** external API for pmic_wrap user **************************/ signed int pwrap_wacs2_read(unsigned int adr, unsigned int *rdata) { pwrap_wacs2_hal(0, adr, 0, rdata); return 0; } /* Provide PMIC write API */ signed int pwrap_wacs2_write(unsigned int adr, unsigned int wdata) { #ifdef CONFIG_MTK_TINYSYS_SSPM_SUPPORT unsigned int flag; flag = WRITE_CMD | (1 << WRITE_PMIC); pwrap_wacs2_ipi(adr, wdata, flag); #else pwrap_wacs2_hal(1, adr, wdata, 0); #endif return 0; } signed int pwrap_wacs2_audio_read(unsigned int adr, unsigned int *rdata) { pwrap_wacs2_hal(0, adr, 0, rdata); return 0; } signed int pwrap_wacs2_audio_write(unsigned int adr, unsigned int wdata) { pwrap_wacs2_hal(1, adr, wdata, 0); return 0; } /****************************************************************************** *wrapper timeout *****************************************************************************/ /*use the same API name with kernel driver *however,the timeout API in uboot use tick instead of ns */ #ifdef PWRAP_TIMEOUT static unsigned long long _pwrap_get_current_time(void) { return sched_clock(); } static int _pwrap_timeout_ns(unsigned long long start_time_ns, unsigned long long timeout_time_ns) { unsigned long long cur_time = 0; unsigned long long elapse_time = 0; /* get current tick */ cur_time = _pwrap_get_current_time(); /* ns */ /* avoid timer over flow exiting in FPGA env */ if (cur_time < start_time_ns) { pr_notice("Timer overflow: start time: %lld\n", start_time_ns); pr_notice("Timer overflow: current time: %lld\n", cur_time); start_time_ns = cur_time; timeout_time_ns = TIMEOUT_WAIT_IDLE * 1000; /* 10000us */ pr_notice("Timer reset: start time: %lld\n", start_time_ns); pr_notice("Timer reset: set timeout: %lld\n", timeout_time_ns); } elapse_time = cur_time - start_time_ns; /* check if timeout */ if (timeout_time_ns <= elapse_time) { /* timeout */ pr_notice("Timeout: elapse time: %lld\n", elapse_time); pr_notice("Timeout: start time: %lld\n", start_time_ns); pr_notice("Timeout: set timeout: %lld\n", timeout_time_ns); pwrap_dump_ap_register(); aee_kernel_warning("WRAPPER:ERR DUMP", "WRAP"); return 1; } return 0; } static unsigned long long _pwrap_time2ns(unsigned long long time_us) { return time_us * 1000; } #else static unsigned long long _pwrap_get_current_time(void) { return 0; } static int _pwrap_timeout_ns(unsigned long long start_time_ns, unsigned long long elapse_time) { return 0; } static unsigned long long _pwrap_time2ns(unsigned long long time_us) { return 0; } #endif /* ##################################################################### */ /* define macro and inline function (for do while loop) */ /* ##################################################################### */ typedef unsigned int(*loop_condition_fp) (unsigned int); static inline unsigned int wait_for_fsm_idle(unsigned int x) { return GET_WACS2_FSM(x) != WACS_FSM_IDLE; } static inline unsigned int wait_for_fsm_vldclr(unsigned int x) { return GET_WACS2_FSM(x) != WACS_FSM_WFVLDCLR; } static inline unsigned int wait_for_sync(unsigned int x) { return GET_SYNC_IDLE2(x) != WACS_SYNC_IDLE; } static inline unsigned int wait_for_idle_and_sync(unsigned int x) { return (GET_WACS2_FSM(x) != WACS_FSM_IDLE) || (GET_SYNC_IDLE2(x) != WACS_SYNC_IDLE); } static inline unsigned int wait_for_wrap_idle(unsigned int x) { return (GET_WRAP_FSM(x) != 0x0) || (GET_WRAP_CH_DLE_RESTCNT(x) != 0x0); } static inline unsigned int wait_for_wrap_state_idle(unsigned int x) { return GET_WRAP_AG_DLE_RESTCNT(x) != 0; } static inline unsigned int wait_for_man_idle_and_noreq(unsigned int x) { return (GET_MAN_REQ(x) != MAN_FSM_NO_REQ) || (GET_MAN_FSM(x) != MAN_FSM_IDLE); } static inline unsigned int wait_for_man_vldclr(unsigned int x) { return GET_MAN_FSM(x) != MAN_FSM_WFVLDCLR; } static inline unsigned int wait_for_cipher_ready(unsigned int x) { return x != 3; } static inline unsigned int wait_for_stdupd_idle(unsigned int x) { return GET_STAUPD_FSM(x) != 0x0; } /**************used at _pwrap_wacs2_nochk*************************************/ #if (PMIC_WRAP_KERNEL) || (PMIC_WRAP_CTP) static inline unsigned int wait_for_state_ready_init(loop_condition_fp fp, unsigned int timeout_us, void *wacs_register, unsigned int *read_reg) #else static inline unsigned int wait_for_state_ready_init( loop_condition_fp fp, unsigned int timeout_us, unsigned int *wacs_register, unsigned int *read_reg) #endif { unsigned long long start_time_ns = 0, timeout_ns = 0; unsigned int reg_rdata = 0x0; start_time_ns = _pwrap_get_current_time(); timeout_ns = _pwrap_time2ns(timeout_us); do { if (_pwrap_timeout_ns(start_time_ns, timeout_ns)) { pr_notice("ready_init timeout\n"); pwrap_dump_ap_register(); return E_PWR_WAIT_IDLE_TIMEOUT; } reg_rdata = WRAP_RD32(wacs_register); } while (fp(reg_rdata)); if (read_reg) *read_reg = reg_rdata; return 0; } #if (PMIC_WRAP_KERNEL) || (PMIC_WRAP_CTP) static inline unsigned int wait_for_state_idle(loop_condition_fp fp, unsigned int timeout_us, void *wacs_register, void *wacs_vldclr_register, unsigned int *read_reg) #else static inline unsigned int wait_for_state_idle(loop_condition_fp fp, unsigned int timeout_us, unsigned int *wacs_register, unsigned int *wacs_vldclr_register, unsigned int *read_reg) #endif { unsigned long long start_time_ns = 0, timeout_ns = 0; unsigned int reg_rdata; start_time_ns = _pwrap_get_current_time(); timeout_ns = _pwrap_time2ns(timeout_us); do { if (_pwrap_timeout_ns(start_time_ns, timeout_ns)) { pr_notice("state_idle timeout\n"); pwrap_dump_ap_register(); return E_PWR_WAIT_IDLE_TIMEOUT; } reg_rdata = WRAP_RD32(wacs_register); if (GET_WACS2_INIT_DONE2(reg_rdata) != WACS_INIT_DONE) { pr_notice("init isn't finished\n"); return E_PWR_NOT_INIT_DONE; } switch (GET_WACS2_FSM(reg_rdata)) { case WACS_FSM_WFVLDCLR: WRAP_WR32(wacs_vldclr_register, 1); pr_notice("WACS_FSM = VLDCLR\n"); break; case WACS_FSM_WFDLE: pr_notice("WACS_FSM = WFDLE\n"); break; case WACS_FSM_REQ: pr_notice("WACS_FSM = REQ\n"); break; default: break; } } while (fp(reg_rdata)); if (read_reg) *read_reg = reg_rdata; return 0; } /**************used at pwrap_wacs2********************************************/ #if (PMIC_WRAP_KERNEL) || (PMIC_WRAP_CTP) static inline unsigned int wait_for_state_ready(loop_condition_fp fp, unsigned int timeout_us, void *wacs_register, unsigned int *read_reg) #else static inline unsigned int wait_for_state_ready( loop_condition_fp fp, unsigned int timeout_us, unsigned int *wacs_register, unsigned int *read_reg) #endif { unsigned long long start_time_ns = 0, timeout_ns = 0; unsigned int reg_rdata; start_time_ns = _pwrap_get_current_time(); timeout_ns = _pwrap_time2ns(timeout_us); do { if (_pwrap_timeout_ns(start_time_ns, timeout_ns)) { pr_notice("state_ready timeout\n"); pwrap_dump_ap_register(); return E_PWR_WAIT_IDLE_TIMEOUT; } reg_rdata = WRAP_RD32(wacs_register); if (GET_WACS2_INIT_DONE2(reg_rdata) != WACS_INIT_DONE) { pr_notice("init isn't finished\n"); return E_PWR_NOT_INIT_DONE; } } while (fp(reg_rdata)); if (read_reg) *read_reg = reg_rdata; return 0; } /****************************************************** * Function : pwrap_wacs2_hal() * Description : * Parameter : * Return : ******************************************************/ static signed int pwrap_wacs2_hal(unsigned int write, unsigned int adr, unsigned int wdata, unsigned int *rdata) { unsigned int reg_rdata = 0; unsigned int wacs_write = 0; unsigned int wacs_adr = 0; unsigned int wacs_cmd = 0; unsigned int return_value = 0; unsigned long flags = 0; /* Check argument validation */ if ((write & ~(0x1)) != 0) return E_PWR_INVALID_RW; if ((adr & ~(0xffff)) != 0) return E_PWR_INVALID_ADDR; if ((wdata & ~(0xffff)) != 0) return E_PWR_INVALID_WDAT; spin_lock_irqsave(&wrp_lock, flags); /* Check IDLE & INIT_DONE in advance */ return_value = wait_for_state_idle(wait_for_fsm_idle, TIMEOUT_WAIT_IDLE, PMIC_WRAP_WACS2_RDATA, PMIC_WRAP_WACS2_VLDCLR, 0); if (return_value != 0) { pr_notice("fsm_idle fail, ret=%d\n", return_value); goto FAIL; } wacs_write = write << 31; wacs_adr = (adr >> 1) << 16; wacs_cmd = wacs_write | wacs_adr | wdata; WRAP_WR32(PMIC_WRAP_WACS2_CMD, wacs_cmd); if (write == 0) { if (rdata == NULL) { pr_notice("rdata NULL\n"); return_value = E_PWR_INVALID_ARG; goto FAIL; } return_value = wait_for_state_ready(wait_for_fsm_vldclr, TIMEOUT_READ, PMIC_WRAP_WACS2_RDATA, ®_rdata); if (return_value != 0) { pr_notice("fsm_vldclr fail, ret=%d\n", return_value); return_value += 1; goto FAIL; } *rdata = GET_WACS2_RDATA(reg_rdata); WRAP_WR32(PMIC_WRAP_WACS2_VLDCLR, 1); } FAIL: spin_unlock_irqrestore(&wrp_lock, flags); if (return_value != 0) { pr_notice("%s fail, ret=%d\n", __func__, return_value); pr_notice("BUG_ON\n"); } return return_value; } /*********************internal API for pwrap_init***************************/ /********************************** * Function : _pwrap_wacs2_nochk() * Description : * Parameter : * Return : ***********************************/ signed int pwrap_read_nochk(unsigned int adr, unsigned int *rdata) { return _pwrap_wacs2_nochk(0, adr, 0, rdata); } signed int pwrap_write_nochk(unsigned int adr, unsigned int wdata) { return _pwrap_wacs2_nochk(1, adr, wdata, 0); } static signed int _pwrap_wacs2_nochk(unsigned int write, unsigned int adr, unsigned int wdata, unsigned int *rdata) { unsigned int reg_rdata = 0x0; unsigned int wacs_write = 0x0; unsigned int wacs_adr = 0x0; unsigned int wacs_cmd = 0x0; unsigned int return_value = 0x0; /* Check argument validation */ if ((write & ~(0x1)) != 0) return E_PWR_INVALID_RW; if ((adr & ~(0xffff)) != 0) return E_PWR_INVALID_ADDR; if ((wdata & ~(0xffff)) != 0) return E_PWR_INVALID_WDAT; /* Check IDLE */ return_value = wait_for_state_ready_init(wait_for_fsm_idle, TIMEOUT_WAIT_IDLE, PMIC_WRAP_WACS2_RDATA, 0); if (return_value != 0) { pr_notice("write fail, ret=%x\n", return_value); return return_value; } wacs_write = write << 31; wacs_adr = (adr >> 1) << 16; wacs_cmd = wacs_write | wacs_adr | wdata; WRAP_WR32(PMIC_WRAP_WACS2_CMD, wacs_cmd); if (write == 0) { if (rdata == NULL) { pr_notice("rdata NULL\n"); return_value = E_PWR_INVALID_ARG; return return_value; } return_value = wait_for_state_ready_init(wait_for_fsm_vldclr, TIMEOUT_READ, PMIC_WRAP_WACS2_RDATA, ®_rdata); if (return_value != 0) { pr_notice("fsm_vldclr fail, ret=%d\n", return_value); return_value += 1; return return_value; } *rdata = GET_WACS2_RDATA(reg_rdata); WRAP_WR32(PMIC_WRAP_WACS2_VLDCLR, 1); } return 0; } static void __pwrap_soft_reset(void) { pr_info("start reset wrapper\n"); WRAP_WR32(INFRA_GLOBALCON_RST2_SET, 0x1); WRAP_WR32(INFRA_GLOBALCON_RST2_CLR, 0x1); } static void __pwrap_spi_clk_set(void) { pr_info("pwrap_spictl reset ok\n"); #if !defined(CONFIG_FPGA_EARLY_PORTING) WRAP_WR32(CLK_CFG_5_CLR, 0x00000093); WRAP_WR32(CLK_CFG_5_SET, CLK_SPI_CK_26M); #endif /* sys_ck cg enable, turn off clock */ WRAP_WR32(MODULE_SW_CG_0_SET, 0x0000000f); /* turn off clock */ WRAP_WR32(MODULE_SW_CG_2_SET, 0x00000100); /* toggle PMIC_WRAP and pwrap_spictl reset */ __pwrap_soft_reset(); /* sys_ck cg enable, turn on clock */ WRAP_WR32(MODULE_SW_CG_0_CLR, 0x0000000f); /* turn on clock*/ WRAP_WR32(MODULE_SW_CG_2_CLR, 0x00000100); pr_info("spi clk set ....\n"); } /************************************************ * Function : _pwrap_init_dio() * Description :call it in pwrap_init,mustn't check init done * Parameter : * Return : ************************************************/ static signed int _pwrap_init_dio(unsigned int dio_en) { unsigned int rdata = 0x0; pwrap_write_nochk(PMIC_DEW_DIO_EN_ADDR, dio_en); #ifdef DUAL_PMICS pwrap_write_nochk(EXT_DEW_DIO_EN, dio_en); #endif do { rdata = WRAP_RD32(PMIC_WRAP_WACS2_RDATA); } while ((GET_WACS2_FSM(rdata) != WACS_FSM_IDLE) || (GET_SYNC_IDLE2(rdata) != WACS_SYNC_IDLE)); #ifndef DUAL_PMICS WRAP_WR32(PMIC_WRAP_DIO_EN, 0x1); #else WRAP_WR32(PMIC_WRAP_DIO_EN, 0x3); #endif return 0; } /*************************************************** * Function : _pwrap_init_cipher() * Description : * Parameter : * Return : ****************************************************/ static signed int _pwrap_init_cipher(void) { unsigned int rdata = 0; unsigned int return_value = 0; unsigned int start_time_ns = 0, timeout_ns = 0; WRAP_WR32(PMIC_WRAP_CIPHER_SWRST, 1); WRAP_WR32(PMIC_WRAP_CIPHER_SWRST, 0); WRAP_WR32(PMIC_WRAP_CIPHER_KEY_SEL, 1); WRAP_WR32(PMIC_WRAP_CIPHER_IV_SEL, 2); WRAP_WR32(PMIC_WRAP_CIPHER_EN, 1); /* Config CIPHER @ PMIC */ pwrap_write_nochk(PMIC_DEW_CIPHER_SWRST_ADDR, 0x1); pwrap_write_nochk(PMIC_DEW_CIPHER_SWRST_ADDR, 0x0); pwrap_write_nochk(PMIC_DEW_CIPHER_KEY_SEL_ADDR, 0x1); pwrap_write_nochk(PMIC_DEW_CIPHER_IV_SEL_ADDR, 0x2); pwrap_write_nochk(PMIC_DEW_CIPHER_EN_ADDR, 0x1); pr_info("[%s] Config CIPHER of PMIC 0 ok\n", __func__); #ifdef DUAL_PMICS /* Config CIPHER of PMIC 1 */ pwrap_write_nochk(EXT_DEW_CIPHER_SWRST, 0x1); pwrap_write_nochk(EXT_DEW_CIPHER_SWRST, 0x0); pwrap_write_nochk(EXT_DEW_CIPHER_KEY_SEL, 0x1); pwrap_write_nochk(EXT_DEW_CIPHER_IV_SEL, 0x2); pwrap_write_nochk(EXT_DEW_CIPHER_EN, 0x1); pr_info("[%s] Config CIPHER of PMIC 1 ok\n", __func__); #endif /*wait for cipher data ready@AP */ return_value = wait_for_state_ready_init(wait_for_cipher_ready, TIMEOUT_WAIT_IDLE, PMIC_WRAP_CIPHER_RDY, 0); if (return_value != 0) { pr_info("cipher fail,ret=%x\n", return_value); return return_value; } pr_info("wait for cipher to be ready ok\n"); /* wait for cipher 0 data ready@PMIC */ start_time_ns = _pwrap_get_current_time(); timeout_ns = _pwrap_time2ns(0xFFFFFF); do { if (_pwrap_timeout_ns(start_time_ns, timeout_ns)) pr_info("cipher 0 data\n"); pwrap_read_nochk(PMIC_DEW_CIPHER_RDY_ADDR, &rdata); } while (rdata != 0x1); /* cipher_ready */ return_value = pwrap_write_nochk(PMIC_DEW_CIPHER_MODE_ADDR, 0x1); if (return_value != 0) { pr_info("CIPHER_MODE fail,ret=%x\n", return_value); return return_value; } pr_info("wait for cipher0 data ready ok\n"); #ifdef DUAL_PMICS start_time_ns = _pwrap_get_current_time(); timeout_ns = _pwrap_time2ns(0xFFFFFF); do { if (_pwrap_timeout_ns(start_time_ns, timeout_ns)) pr_info("cipher 1 data\n"); pwrap_read_nochk(EXT_DEW_CIPHER_RDY, &rdata); } while (rdata != 0x1); /* cipher_ready */ return_value = pwrap_write_nochk(EXT_DEW_CIPHER_MODE, 0x1); if (return_value != 0) { pr_info("EXT_CIPHER_MODE fail,ret=%x\n", return_value); return return_value; } pr_info("wait for cipher 1 data ready ok\n"); #endif /* wait for cipher mode idle */ return_value = wait_for_state_ready_init(wait_for_idle_and_sync, TIMEOUT_WAIT_IDLE, PMIC_WRAP_WACS2_RDATA, 0); if (return_value != 0) { pr_info("cipher mode idle fail,ret=%x\n", return_value); return return_value; } WRAP_WR32(PMIC_WRAP_CIPHER_MODE, 1); /* Read Test */ pwrap_read_nochk(PMIC_DEW_READ_TEST_ADDR, &rdata); if (rdata != DEFAULT_VALUE_READ_TEST) { pr_info("cipher,err=%x, rdata=%x\n", 1, rdata); return E_PWR_READ_TEST_FAIL; } #ifdef DUAL_PMICS pwrap_read_nochk(EXT_DEW_READ_TEST, &rdata); if (rdata != DEFAULT_VALUE_READ_TEST) { pr_info("cipher,err=%x, rdata=%x\n", 1, rdata); return E_PWR_READ_TEST_FAIL; } #endif return 0; } /************************************************ * Function : _pwrap_lock_SPISPVReg() * Description : protect spi slv register to be write * Parameter : * Return : ************************************************/ static int _pwrap_lock_SPISLVReg(void) { pwrap_write_nochk(MT6358_SPISLV_KEY, 0x0); #ifdef DUAL_PMICS pwrap_write_nochk(EXT_SPISLV_KEY, 0x0); #endif return 0; } static void _pwrap_InitStaUpd(void) { #ifndef DUAL_PMICS WRAP_WR32(PMIC_WRAP_STAUPD_GRPEN, 0xf4); #else WRAP_WR32(PMIC_WRAP_STAUPD_GRPEN, 0xfc); #endif #if 0 /* CRC */ #ifdef DUAL_PMICS pwrap_write_nochk(PMIC_DEW_CRC_EN_ADDR, 0x1); WRAP_WR32(PMIC_WRAP_CRC_EN, 0x1); WRAP_WR32(PMIC_WRAP_SIG_ADR, DEW_CRC_VAL); #else pwrap_write_nochk(PMIC_DEW_CRC_EN_ADDR, 0x1); pwrap_write_nochk(EXT_DEW_CRC_EN, 0x1); WRAP_WR32(PMIC_WRAP_CRC_EN, 0x1); WRAP_WR32(PMIC_WRAP_SIG_ADR, (EXT_DEW_CRC_VAL << 16 | DEW_CRC_VAL)); #endif #endif /* Signature */ #ifndef DUAL_PMICS WRAP_WR32(PMIC_WRAP_SIG_MODE, 0x1); WRAP_WR32(PMIC_WRAP_SIG_ADR, MT6358_DEW_CRC_VAL); WRAP_WR32(PMIC_WRAP_SIG_VALUE, 0x83); #else WRAP_WR32(PMIC_WRAP_SIG_MODE, 0x3); WRAP_WR32(PMIC_WRAP_SIG_ADR, (EXT_DEW_CRC_VAL << 16) | DEW_CRC_VAL); WRAP_WR32(PMIC_WRAP_SIG_VALUE, (0x83 << 16) | 0x83); #endif WRAP_WR32(PMIC_WRAP_EINT_STA0_ADR, PMIC_CPU_INT_STA_ADDR); #ifdef DUAL_PMICS WRAP_WR32(PMIC_WRAP_EINT_STA1_ADR, EXT_INT_STA); #endif /* MD ADC Interface */ WRAP_WR32(PMIC_WRAP_MD_AUXADC_RDATA_LATEST_ADDR, (MT6358_AUXADC_ADC35 << 16) + MT6358_AUXADC_ADC31); WRAP_WR32(PMIC_WRAP_MD_AUXADC_RDATA_WP_ADDR, (MT6358_AUXADC_ADC35 << 16) + MT6358_AUXADC_ADC31); WRAP_WR32(PMIC_WRAP_MD_AUXADC_RDATA_0_ADDR, (MT6358_AUXADC_ADC35 << 16) + MT6358_AUXADC_ADC31); WRAP_WR32(PMIC_WRAP_MD_AUXADC_RDATA_1_ADDR, (MT6358_AUXADC_ADC35 << 16) + MT6358_AUXADC_ADC31); WRAP_WR32(PMIC_WRAP_MD_AUXADC_RDATA_2_ADDR, (MT6358_AUXADC_ADC35 << 16) + MT6358_AUXADC_ADC31); WRAP_WR32(PMIC_WRAP_MD_AUXADC_RDATA_3_ADDR, (MT6358_AUXADC_ADC35 << 16) + MT6358_AUXADC_ADC31); WRAP_WR32(PMIC_WRAP_MD_AUXADC_RDATA_4_ADDR, (MT6358_AUXADC_ADC35 << 16) + MT6358_AUXADC_ADC31); WRAP_WR32(PMIC_WRAP_MD_AUXADC_RDATA_5_ADDR, (MT6358_AUXADC_ADC35 << 16) + MT6358_AUXADC_ADC31); WRAP_WR32(PMIC_WRAP_MD_AUXADC_RDATA_6_ADDR, (MT6358_AUXADC_ADC35 << 16) + MT6358_AUXADC_ADC31); WRAP_WR32(PMIC_WRAP_MD_AUXADC_RDATA_7_ADDR, (MT6358_AUXADC_ADC35 << 16) + MT6358_AUXADC_ADC31); WRAP_WR32(PMIC_WRAP_MD_AUXADC_RDATA_8_ADDR, (MT6358_AUXADC_ADC35 << 16) + MT6358_AUXADC_ADC31); WRAP_WR32(PMIC_WRAP_MD_AUXADC_RDATA_9_ADDR, (MT6358_AUXADC_ADC35 << 16) + MT6358_AUXADC_ADC31); WRAP_WR32(PMIC_WRAP_MD_AUXADC_RDATA_10_ADDR, (MT6358_AUXADC_ADC35 << 16) + MT6358_AUXADC_ADC31); WRAP_WR32(PMIC_WRAP_MD_AUXADC_RDATA_11_ADDR, (MT6358_AUXADC_ADC35 << 16) + MT6358_AUXADC_ADC31); WRAP_WR32(PMIC_WRAP_MD_AUXADC_RDATA_12_ADDR, (MT6358_AUXADC_ADC35 << 16) + MT6358_AUXADC_ADC31); WRAP_WR32(PMIC_WRAP_MD_AUXADC_RDATA_13_ADDR, (MT6358_AUXADC_ADC35 << 16) + MT6358_AUXADC_ADC31); WRAP_WR32(PMIC_WRAP_MD_AUXADC_RDATA_14_ADDR, (MT6358_AUXADC_ADC35 << 16) + MT6358_AUXADC_ADC31); WRAP_WR32(PMIC_WRAP_MD_AUXADC_RDATA_15_ADDR, (MT6358_AUXADC_ADC35 << 16) + MT6358_AUXADC_ADC31); WRAP_WR32(PMIC_WRAP_MD_AUXADC_RDATA_16_ADDR, (MT6358_AUXADC_ADC35 << 16) + MT6358_AUXADC_ADC31); WRAP_WR32(PMIC_WRAP_MD_AUXADC_RDATA_17_ADDR, (MT6358_AUXADC_ADC35 << 16) + MT6358_AUXADC_ADC31); WRAP_WR32(PMIC_WRAP_MD_AUXADC_RDATA_18_ADDR, (MT6358_AUXADC_ADC35 << 16) + MT6358_AUXADC_ADC31); WRAP_WR32(PMIC_WRAP_MD_AUXADC_RDATA_19_ADDR, (MT6358_AUXADC_ADC35 << 16) + MT6358_AUXADC_ADC31); WRAP_WR32(PMIC_WRAP_MD_AUXADC_RDATA_20_ADDR, (MT6358_AUXADC_ADC35 << 16) + MT6358_AUXADC_ADC31); WRAP_WR32(PMIC_WRAP_MD_AUXADC_RDATA_21_ADDR, (MT6358_AUXADC_ADC35 << 16) + MT6358_AUXADC_ADC31); WRAP_WR32(PMIC_WRAP_MD_AUXADC_RDATA_22_ADDR, (MT6358_AUXADC_ADC35 << 16) + MT6358_AUXADC_ADC31); WRAP_WR32(PMIC_WRAP_MD_AUXADC_RDATA_23_ADDR, (MT6358_AUXADC_ADC35 << 16) + MT6358_AUXADC_ADC31); WRAP_WR32(PMIC_WRAP_MD_AUXADC_RDATA_24_ADDR, (MT6358_AUXADC_ADC35 << 16) + MT6358_AUXADC_ADC31); WRAP_WR32(PMIC_WRAP_MD_AUXADC_RDATA_25_ADDR, (MT6358_AUXADC_ADC35 << 16) + MT6358_AUXADC_ADC31); WRAP_WR32(PMIC_WRAP_MD_AUXADC_RDATA_26_ADDR, (MT6358_AUXADC_ADC35 << 16) + MT6358_AUXADC_ADC31); WRAP_WR32(PMIC_WRAP_MD_AUXADC_RDATA_27_ADDR, (MT6358_AUXADC_ADC35 << 16) + MT6358_AUXADC_ADC31); WRAP_WR32(PMIC_WRAP_MD_AUXADC_RDATA_28_ADDR, (MT6358_AUXADC_ADC35 << 16) + MT6358_AUXADC_ADC31); WRAP_WR32(PMIC_WRAP_MD_AUXADC_RDATA_29_ADDR, (MT6358_AUXADC_ADC35 << 16) + MT6358_AUXADC_ADC31); WRAP_WR32(PMIC_WRAP_MD_AUXADC_RDATA_30_ADDR, (MT6358_AUXADC_ADC35 << 16) + MT6358_AUXADC_ADC31); WRAP_WR32(PMIC_WRAP_MD_AUXADC_RDATA_31_ADDR, (MT6358_AUXADC_ADC35 << 16) + MT6358_AUXADC_ADC31); WRAP_WR32(PMIC_WRAP_INT_GPS_AUXADC_CMD_ADDR, (MT6358_AUXADC_RQST1 << 16) + MT6358_AUXADC_RQST1); WRAP_WR32(PMIC_WRAP_INT_GPS_AUXADC_CMD, (0x0400 << 16) + 0x0100); WRAP_WR32(PMIC_WRAP_INT_GPS_AUXADC_RDATA_ADDR, (MT6358_AUXADC_ADC39 << 16) + MT6358_AUXADC_ADC16); WRAP_WR32(PMIC_WRAP_EXT_GPS_AUXADC_RDATA_ADDR, MT6358_AUXADC_ADC36); } static void _pwrap_starve_set(void) { WRAP_WR32(PMIC_WRAP_HARB_HPRIO, 0xf); WRAP_WR32(PMIC_WRAP_STARV_COUNTER_0, 0x402); WRAP_WR32(PMIC_WRAP_STARV_COUNTER_1, 0x403); WRAP_WR32(PMIC_WRAP_STARV_COUNTER_2, 0x403); WRAP_WR32(PMIC_WRAP_STARV_COUNTER_3, 0x403); WRAP_WR32(PMIC_WRAP_STARV_COUNTER_4, 0x40f); WRAP_WR32(PMIC_WRAP_STARV_COUNTER_5, 0x420); WRAP_WR32(PMIC_WRAP_STARV_COUNTER_6, 0x428); WRAP_WR32(PMIC_WRAP_STARV_COUNTER_7, 0x428); WRAP_WR32(PMIC_WRAP_STARV_COUNTER_8, 0x413); WRAP_WR32(PMIC_WRAP_STARV_COUNTER_9, 0x417); WRAP_WR32(PMIC_WRAP_STARV_COUNTER_10, 0x417); WRAP_WR32(PMIC_WRAP_STARV_COUNTER_11, 0x47c); WRAP_WR32(PMIC_WRAP_STARV_COUNTER_12, 0x47c); WRAP_WR32(PMIC_WRAP_STARV_COUNTER_13, 0x740); } static void _pwrap_enable(void) { #if (MTK_PLATFORM_MT6358) WRAP_WR32(PMIC_WRAP_HPRIO_ARB_EN, 0x3fa65); #endif WRAP_WR32(PMIC_WRAP_WACS0_EN, 0x1); WRAP_WR32(PMIC_WRAP_WACS2_EN, 0x1); WRAP_WR32(PMIC_WRAP_WACS_P2P_EN, 0x1); WRAP_WR32(PMIC_WRAP_WACS_MD32_EN, 0x1); WRAP_WR32(PMIC_WRAP_STAUPD_CTRL, 0x5); /* 100us */ WRAP_WR32(PMIC_WRAP_WDT_UNIT, 0xf); WRAP_WR32(PMIC_WRAP_WDT_SRC_EN_0, 0xffffffff); WRAP_WR32(PMIC_WRAP_WDT_SRC_EN_1, 0xffffffff); WRAP_WR32(PMIC_WRAP_TIMER_EN, 0x1); WRAP_WR32(PMIC_WRAP_INT0_EN, 0xffffffff); WRAP_WR32(PMIC_WRAP_INT1_EN, 0xffffffff); } /************************************************ * Function : _pwrap_init_sistrobe() * scription : Initialize SI_CK_CON and SIDLY * Parameter : * Return : ************************************************/ static signed int _pwrap_init_sistrobe(int dual_si_sample_settings) { unsigned int rdata; int si_en_sel, si_ck_sel, si_dly, si_sample_ctrl, clk_edge_no, i; int found, result_faulty = 0; int test_data[30] = {0x6996, 0x9669, 0x6996, 0x9669, 0x6996, 0x9669, 0x6996, 0x9669, 0x6996, 0x9669, 0x5AA5, 0xA55A, 0x5AA5, 0xA55A, 0x5AA5, 0xA55A, 0x5AA5, 0xA55A, 0x5AA5, 0xA55A, 0x1B27, 0x1B27, 0x1B27, 0x1B27, 0x1B27, 0x1B27, 0x1B27, 0x1B27, 0x1B27, 0x1B27 }; found = 0; for (si_en_sel = 0; si_en_sel < 8; si_en_sel++) { for (si_ck_sel = 0; si_ck_sel < 2; si_ck_sel++) { si_sample_ctrl = (si_en_sel << 6) | (si_ck_sel << 5); WRAP_WR32(PMIC_WRAP_SI_SAMPLE_CTRL, si_sample_ctrl); pwrap_read_nochk(MT6358_DEW_READ_TEST, &rdata); if (rdata == DEFAULT_VALUE_READ_TEST) { pr_info("First Valid Sampling Clock Found!\n"); pr_info("si_en_sel = %x, si_ck_sel = %x\n", si_en_sel, si_ck_sel); pr_info("si_sample_ctrl = %x, rdata = %x\n", si_sample_ctrl, rdata); found = 1; break; } pr_info("si_en_sel = %x, si_ck_sel = %x\n", si_en_sel, si_ck_sel); pr_info("si_sample_ctrl = %x, rdata = %x\n", si_sample_ctrl, rdata); } if (found == 1) break; } if (found == 0) { result_faulty |= 0x1; pr_notice("result_faulty = %d\n", result_faulty); } if ((si_en_sel == 7) && (si_ck_sel == 1)) result_faulty |= 0x2; for (si_dly = 0; si_dly < 10; si_dly++) { pwrap_write_nochk(MT6358_RG_SPI_CON2, si_dly); found = 0; #ifndef SPEED_UP_PWRAP_INIT for (i = 0; i < 30; i++) #else for (i = 0; i < 1; i++) #endif { pwrap_write_nochk(MT6358_DEW_WRITE_TEST, test_data[i]); pwrap_read_nochk(MT6358_DEW_WRITE_TEST, &rdata); if ((rdata & 0x7fff) != (test_data[i] & 0x7fff)) { pr_notice("Data Boundary is Found !!!\n"); pr_notice("si_dly = %x, rdata = %x\n", si_dly, rdata); found = 1; break; } } if (found == 1) break; pr_notice("si_dly = %x, *RG_SPI_CON2 = %x, rdata = %x\n", si_dly, si_dly, rdata); } si_sample_ctrl = si_sample_ctrl + 0x20; WRAP_WR32(PMIC_WRAP_SI_SAMPLE_CTRL, si_sample_ctrl); if (si_dly == 10) { pr_info("SI Strobe Calibration For PMIC 0 Done\n"); pr_info("si_sample_ctrl = %x, si_dly = %x\n", si_sample_ctrl, si_dly); si_dly--; } pr_info("SI Strobe Calibration For PMIC 0 Done\n"); pr_info("si_sample_ctrl = %x, si_dly = %x\n", si_sample_ctrl, si_dly); #if ULPOSC_Clock /* TINFO = "SI Strobe Calibration For ULPOSC Clock Start" */ si_en_sel = (WRAP_RD32(PMIC_WRAP_SI_SAMPLE_CTRL) << 23) >> 29; si_ck_sel = (WRAP_RD32(PMIC_WRAP_SI_SAMPLE_CTRL) << 26) >> 31; clk_edge_no = (((si_en_sel * 2 + si_ck_sel) * 100) * CLK_26M_PRD / CLK_ULPOSC_PRD + 50) / 100; /* TINFO = "ULPOSC Clock Is Chosen As Clock Edge" */ si_en_sel = clk_edge_no / 2; si_ck_sel = clk_edge_no % 2; si_sample_ctrl = (1 << 18) | (si_en_sel << 6) | (si_ck_sel << 5); WRAP_WR32(PMIC_WRAP_SI_SAMPLE_CTRL_ULPOSC, si_sample_ctrl); /* TINFO = "SI Strobe Calibration For ULPOSC Clock Done" */ #endif if (result_faulty != 0) return result_faulty; /* Read Test */ pwrap_read_nochk(MT6358_DEW_READ_TEST, &rdata); if (rdata != DEFAULT_VALUE_READ_TEST) { pr_notice("%s Read Test Failed\n", __func__); pr_notice("rdata = %x, exp = 0x5aa5\n", rdata); return 0x10; } pr_info("%s Read Test ok\n", __func__); return 0; } static int __pwrap_InitSPISLV(void) { /* IO filter function */ pwrap_write_nochk(MT6358_FILTER_CON0, 0xf0); /* improve noise immunity */ pwrap_write_nochk(MT6358_SMT_CON1, 0xf); /* for power saving */ pwrap_write_nochk(MT6358_GPIO_PULLEN0_CLR, 0xf0); /* enable SPI in SODI-3.0 */ pwrap_write_nochk(MT6358_RG_SPI_CON0, 0x1); return 0; } /****************************************************** * Function : _pwrap_reset_spislv() * Description : * Parameter : * Return : ******************************************************/ static signed int _pwrap_reset_spislv(void) { unsigned int ret = 0; unsigned int return_value = 0; WRAP_WR32(PMIC_WRAP_HPRIO_ARB_EN, DISABLE_ALL); WRAP_WR32(PMIC_WRAP_WRAP_EN, 0x0); WRAP_WR32(PMIC_WRAP_MUX_SEL, MANUAL_MODE); WRAP_WR32(PMIC_WRAP_MAN_EN, 0x1); WRAP_WR32(PMIC_WRAP_DIO_EN, 0x0); WRAP_WR32(PMIC_WRAP_MAN_CMD, (OP_WR << 13) | (OP_CSL << 8)); WRAP_WR32(PMIC_WRAP_MAN_CMD, (OP_WR << 13) | (OP_OUTS << 8)); WRAP_WR32(PMIC_WRAP_MAN_CMD, (OP_WR << 13) | (OP_CSH << 8)); WRAP_WR32(PMIC_WRAP_MAN_CMD, (OP_WR << 13) | (OP_OUTS << 8)); WRAP_WR32(PMIC_WRAP_MAN_CMD, (OP_WR << 13) | (OP_OUTS << 8)); WRAP_WR32(PMIC_WRAP_MAN_CMD, (OP_WR << 13) | (OP_OUTS << 8)); WRAP_WR32(PMIC_WRAP_MAN_CMD, (OP_WR << 13) | (OP_OUTS << 8)); return_value = wait_for_state_ready_init(wait_for_sync, TIMEOUT_WAIT_IDLE, PMIC_WRAP_WACS2_RDATA, 0); if (return_value != 0) { pr_info("reset_spislv fail,ret=%x\n", return_value); ret = E_PWR_TIMEOUT; goto timeout; } WRAP_WR32(PMIC_WRAP_MAN_EN, 0x0); WRAP_WR32(PMIC_WRAP_MUX_SEL, WRAPPER_MODE); timeout: WRAP_WR32(PMIC_WRAP_MAN_EN, 0x0); WRAP_WR32(PMIC_WRAP_MUX_SEL, WRAPPER_MODE); return ret; } static signed int _pwrap_init_reg_clock(unsigned int regck_sel) { unsigned int rdata; WRAP_WR32(PMIC_WRAP_EXT_CK_WRITE, 0x1); #ifndef SLV_CLK_1M #ifndef DUAL_PMICS /* Set Read Dummy Cycle Number (Slave Clock is 18MHz) */ _pwrap_wacs2_nochk(1, PMIC_DEW_RDDMY_NO_ADDR, 0x8, &rdata); WRAP_WR32(PMIC_WRAP_RDDMY, 0x8); pr_info("NO_SLV_CLK_1M Set Read Dummy Cycle\n"); #else _pwrap_wacs2_nochk(1, PMIC_DEW_RDDMY_NO_ADDR, 0x8, &rdata); _pwrap_wacs2_nochk(1, EXT_DEW_RDDMY_NO, 0x8, &rdata); WRAP_WR32(PMIC_WRAP_RDDMY, 0x0808); pr_info("NO_SLV_CLK_1M Set Read Dummy Cycle dual_pmics\n"); #endif #else #ifndef DUAL_PMICS /* Set Read Dummy Cycle Number (Slave Clock is 1MHz) */ _pwrap_wacs2_nochk(1, PMIC_DEW_RDDMY_NO_ADDR, 0x68, &rdata); WRAP_WR32(PMIC_WRAP_RDDMY, 0x68); pr_info("SLV_CLK_1M Set Read Dummy Cycle\n"); #else _pwrap_wacs2_nochk(1, PMIC_DEW_RDDMY_NO_ADDR, 0x68, &rdata); _pwrap_wacs2_nochk(1, EXT_DEW_RDDMY_NO, 0x68, &rdata); WRAP_WR32(PMIC_WRAP_RDDMY, 0x6868); pr_info("SLV_CLK_1M Set Read Dummy Cycle dual_pmics\n"); #endif #endif /* Config SPI Waveform according to reg clk */ if (regck_sel == 1) { /* Slave Clock is 18MHz */ /* wait data written into register => 4T_PMIC: * CSHEXT_WRITE_START+EXT_CK+CSHEXT_WRITE_END+CSLEXT_START */ WRAP_WR32(PMIC_WRAP_CSHEXT_WRITE, 0x0); WRAP_WR32(PMIC_WRAP_CSHEXT_READ, 0x0); WRAP_WR32(PMIC_WRAP_CSLEXT_WRITE, 0x0); WRAP_WR32(PMIC_WRAP_CSLEXT_READ, 0x0); } else { /*Safe Mode*/ WRAP_WR32(PMIC_WRAP_CSHEXT_WRITE, 0x0f0f); WRAP_WR32(PMIC_WRAP_CSHEXT_READ, 0x0f0f); WRAP_WR32(PMIC_WRAP_CSLEXT_WRITE, 0x0f0f); WRAP_WR32(PMIC_WRAP_CSLEXT_READ, 0x0f0f); } return 0; } static int _pwrap_wacs2_write_test(int pmic_no) { unsigned int rdata; if (pmic_no == 0) { pwrap_write_nochk(PMIC_DEW_WRITE_TEST_ADDR, 0xa55a); pwrap_read_nochk(PMIC_DEW_WRITE_TEST_ADDR, &rdata); if (rdata != 0xa55a) { pr_notice("Error: w_rdata = %x, exp = 0xa55a\n", rdata); return E_PWR_WRITE_TEST_FAIL; } } return 0; } static unsigned int pwrap_read_test(void) { unsigned int rdata = 0; unsigned int return_value = 0; /* Read Test */ return_value = pwrap_wacs2_read(PMIC_DEW_READ_TEST_ADDR, &rdata); if (rdata != DEFAULT_VALUE_READ_TEST) { pr_notice("Error: r_rdata = 0x%x, exp = 0x5aa5\n", rdata); pr_notice("Error: return_value = 0x%x\n", return_value); return E_PWR_READ_TEST_FAIL; } pr_info("Read Test pass,return_value=%d\n", return_value); return 0; } static unsigned int pwrap_write_test(void) { unsigned int rdata = 0; unsigned int sub_return = 0; unsigned int sub_return1 = 0; /* Write test using WACS2 */ pr_info("start pwrap_write\n"); sub_return = pwrap_wacs2_write(PMIC_DEW_WRITE_TEST_ADDR, DEFAULT_VALUE_WRITE_TEST); pr_info("after pwrap_write\n"); sub_return1 = pwrap_wacs2_read(PMIC_DEW_WRITE_TEST_ADDR, &rdata); if ((rdata != DEFAULT_VALUE_WRITE_TEST) || (sub_return != 0) || (sub_return1 != 0)) { pr_notice("Error: w_rdata = 0x%x, exp = 0xa55a\n", rdata); pr_notice("Error: sub_return = 0x%x\n", sub_return); pr_notice("Error: sub_return1 = 0x%x\n", sub_return1); return E_PWR_INIT_WRITE_TEST; } pr_info("Write Test pass\n"); return 0; } static void pwrap_ut(unsigned int ut_test) { switch (ut_test) { case 1: pwrap_write_test(); break; case 2: pwrap_read_test(); break; case 3: #ifdef CONFIG_MTK_TINYSYS_SSPM_SUPPORT pwrap_wacs2_ipi(0x10010000 + 0xD8, 0xffffffff, (WRITE_CMD | WRITE_PMIC_WRAP)); break; #endif default: pr_info("default test.\n"); break; } } signed int pwrap_init(void) { signed int sub_return = 0; #ifdef CONFIG_OF sub_return = pwrap_of_iomap(); if (sub_return) return sub_return; #endif pr_info("%s start!!!!!!!!!!!!!\n", __func__); __pwrap_spi_clk_set(); pr_info("__pwrap_spi_clk_set ok\n"); /* Enable DCM */ pr_info("Not need to enable DCM\n"); /* Reset SPISLV */ sub_return = _pwrap_reset_spislv(); if (sub_return != 0) { pr_notice("reset_spislv fail,ret=%x\n", sub_return); return E_PWR_INIT_RESET_SPI; } pr_info("Reset SPISLV ok\n"); /* Enable WRAP */ WRAP_WR32(PMIC_WRAP_WRAP_EN, 0x1); pr_info("Enable WRAP ok\n"); #if MTK_PLATFORM_MT6358 WRAP_WR32(PMIC_WRAP_HPRIO_ARB_EN, 0x4); /* ONLY WACS2 */ #else WRAP_WR32(PMIC_WRAP_HPRIO_ARB_EN, WACS2); /* ONLY WACS2 */ #endif /* Enable WACS2 */ WRAP_WR32(PMIC_WRAP_WACS2_EN, 0x1); pr_info("Enable WACS2 ok\n"); /* SPI Waveform Configuration. 0:safe mode, 1:18MHz */ sub_return = _pwrap_init_reg_clock(1); if (sub_return != 0) { pr_notice("init_reg_clock fail,ret=%x\n", sub_return); return E_PWR_INIT_REG_CLOCK; } pr_info("_pwrap_init_reg_clock ok\n"); /* SPI Slave Configuration */ sub_return = __pwrap_InitSPISLV(); if (sub_return != 0) { pr_notice("InitSPISLV Failed, sub_return = %x", sub_return); return -1; } /* Enable DIO mode */ sub_return = _pwrap_init_dio(1); if (sub_return != 0) { pr_notice("dio test error,err=%x, ret=%x\n", 0x11, sub_return); return E_PWR_INIT_DIO; } pr_info("_pwrap_init_dio ok\n"); /* Input data calibration flow; */ sub_return = _pwrap_init_sistrobe(0); if (sub_return != 0) { pr_notice("InitSiStrobe fail,ret=%x\n", sub_return); return E_PWR_INIT_SIDLY; } pr_info("_pwrap_init_sistrobe ok\n"); /* Enable Encryption */ sub_return = _pwrap_init_cipher(); if (sub_return != 0) { pr_notice("Encryption fail, ret=%x\n", sub_return); return E_PWR_INIT_CIPHER; } pr_info("_pwrap_init_cipher ok\n"); /* Lock SPISLV Registers */ sub_return = _pwrap_lock_SPISLVReg(); if (sub_return != 0) { pr_notice("Lock SPI SLV Reg fail, ret=%x\n", sub_return); return -1; } pr_info("_pwrap_lock_SPISPVReg ok\n"); /* Write test using WACS2. check Write test default value */ sub_return = _pwrap_wacs2_write_test(0); if (sub_return != 0) { pr_notice("_pwrap_wacs2_write_test fail\n"); return E_PWR_INIT_WRITE_TEST; } pr_info("_pwrap_wacs2_write_test ok\n"); /* Status update function initialization * 1. Signature Checking using CRC (CRC 0 only) * 2. EINT update * 3. Read back Auxadc thermal data for GPS */ _pwrap_InitStaUpd(); pr_info("_pwrap_InitStaUpd ok\n"); #if (MTK_PLATFORM_MT6358) /* PMIC WRAP priority adjust */ WRAP_WR32(PMIC_WRAP_PRIORITY_USER_SEL_2, 0x0b09080a); WRAP_WR32(PMIC_WRAP_ARBITER_OUT_SEL_2, 0x0b080a09); #endif /* PMIC_WRAP starvation setting */ _pwrap_starve_set(); pr_info("_pwrap_starve_set ok\n"); /* PMIC_WRAP enables */ _pwrap_enable(); pr_info("_pwrap_enable ok\n"); /* Initialization Done */ WRAP_WR32(PMIC_WRAP_INIT_DONE0, 0x1); WRAP_WR32(PMIC_WRAP_INIT_DONE2, 0x1); WRAP_WR32(PMIC_WRAP_INIT_DONE_P2P, 0x1); WRAP_WR32(PMIC_WRAP_INIT_DONE_MD32, 0x1); pwrap_ut(1); pwrap_ut(2); pr_info("%s Done!!!!!!!!!\n", __func__); #ifdef CONFIG_OF pwrap_of_iounmap(); #endif /* for simulation runtime ipi test */ #if 0 mdelay(20000); for (i = 0; i < 5; i++) { pwrap_ut(1); pwrap_ut(2); pwrap_ut(3); } #endif return 0; } /*-------------------pwrap debug---------------------*/ static inline void pwrap_dump_ap_register(void) { unsigned int i = 0, offset = 0; #if (PMIC_WRAP_KERNEL) || (PMIC_WRAP_CTP) unsigned int *reg_addr; #else unsigned int reg_addr; #endif unsigned int val = 0; static DEFINE_RATELIMIT_STATE(ratelimit, 1 * HZ, 5); pr_notice("dump reg\n"); if (__ratelimit(&ratelimit)) { for (i = 0; i <= PMIC_WRAP_REG_RANGE; i++) { #if (PMIC_WRAP_KERNEL) || (PMIC_WRAP_CTP) reg_addr = (unsigned int *) (PMIC_WRAP_BASE + i * 4); val = WRAP_RD32(reg_addr); pr_notice("addr:0x%p = 0x%x\n", reg_addr, val); #else reg_addr = (PMIC_WRAP_BASE + i * 4); val = WRAP_RD32(reg_addr); pr_notice("addr:0x%x = 0x%x\n", reg_addr, val); #endif } } for (i = 0; i <= 14; i++) { offset = 0xc00 + i * 4; #if (PMIC_WRAP_KERNEL) || (PMIC_WRAP_CTP) reg_addr = (unsigned int *) (PMIC_WRAP_BASE + offset); val = WRAP_RD32(reg_addr); pr_notice("addr:0x%p = 0x%x\n", reg_addr, val); #else reg_addr = (PMIC_WRAP_BASE + offset); val = WRAP_RD32(reg_addr); pr_notice("addr:0x%x = 0x%x\n", reg_addr, val); #endif } WRAP_WR32(PMIC_WRAP_WACS2_EN, 0x0); WRAP_WR32(PMIC_WRAP_MONITOR_CTRL_0, 0x8); /* clear log */ WRAP_WR32(PMIC_WRAP_MONITOR_CTRL_0, 0x2); /* reenable */ WRAP_WR32(PMIC_WRAP_WACS2_EN, 0x1); } static inline void pwrap_dump_pmic_register(void) { unsigned int i = 0, reg_addr = 0, reg_value = 0, ret = 0; static DEFINE_RATELIMIT_STATE(ratelimit, 1 * HZ, 5); pr_notice("dump PMIC register\n"); if (__ratelimit(&ratelimit)) { for (i = 0; i <= 4; i++) { reg_addr = (PMIC_HWCID_ADDR + i * 2); ret = pwrap_read_nochk(reg_addr, ®_value); pr_notice("[REG]0x%x=0x%x\n", reg_addr, reg_value); } for (i = 0; i <= 14; i++) { reg_addr = (PMIC_RG_SLP_RW_EN_ADDR + i * 2); ret = pwrap_read_nochk(reg_addr, ®_value); pr_notice("[REG]0x%x=0x%x\n", reg_addr, reg_value); } } } static void pwrap_logging_at_isr(void) { unsigned int i = 0, offset = 0; #if (PMIC_WRAP_KERNEL) || (PMIC_WRAP_CTP) unsigned int *reg_addr; #else unsigned int reg_addr; #endif unsigned int val = 0; static DEFINE_RATELIMIT_STATE(ratelimit, 1 * HZ, 5); if (__ratelimit(&ratelimit)) { pr_notice("INT0 flag 0x%x\n", WRAP_RD32(PMIC_WRAP_INT0_FLG)); pr_notice("INT1 flag 0x%x\n", WRAP_RD32(PMIC_WRAP_INT1_FLG)); pr_notice("DCXO_CONN_ADR0=0x%x\n", WRAP_RD32(PMIC_WRAP_DCXO_CONN_ADR0)); pr_notice("DCXO_CONN_ADR1=0x%x\n", WRAP_RD32(PMIC_WRAP_DCXO_CONN_ADR1)); pr_notice("MONITOR_CTRL_0=0x%x\n", WRAP_RD32(PMIC_WRAP_MONITOR_CTRL_0)); pr_notice("CH_SEQ_0=0x%x\n", WRAP_RD32(PMIC_WRAP_CHANNEL_SEQUENCE_0)); pr_notice("CH_SEQ_1=0x%x\n", WRAP_RD32(PMIC_WRAP_CHANNEL_SEQUENCE_1)); pr_notice("CH_SEQ_2=0x%x\n", WRAP_RD32(PMIC_WRAP_CHANNEL_SEQUENCE_2)); pr_notice("CH_SEQ_3=0x%x\n", WRAP_RD32(PMIC_WRAP_CHANNEL_SEQUENCE_3)); pr_notice("CMD_SEQ_0=0x%x\n", WRAP_RD32(PMIC_WRAP_CMD_SEQUENCE_0)); pr_notice("CMD_SEQ_1=0x%x\n", WRAP_RD32(PMIC_WRAP_CMD_SEQUENCE_1)); pr_notice("CMD_SEQ_2=0x%x\n", WRAP_RD32(PMIC_WRAP_CMD_SEQUENCE_2)); pr_notice("CMD_SEQ_3=0x%x\n", WRAP_RD32(PMIC_WRAP_CMD_SEQUENCE_3)); pr_notice("CMD_SEQ_4=0x%x\n", WRAP_RD32(PMIC_WRAP_CMD_SEQUENCE_4)); pr_notice("CMD_SEQ_5=0x%x\n", WRAP_RD32(PMIC_WRAP_CMD_SEQUENCE_5)); pr_notice("CMD_SEQ_6=0x%x\n", WRAP_RD32(PMIC_WRAP_CMD_SEQUENCE_6)); pr_notice("CMD_SEQ_7=0x%x\n", WRAP_RD32(PMIC_WRAP_CMD_SEQUENCE_7)); pr_notice("WDATA_SEQ_0=0x%x\n", WRAP_RD32(PMIC_WRAP_WDATA_SEQUENCE_0)); pr_notice("WDATA_SEQ_1=0x%x\n", WRAP_RD32(PMIC_WRAP_WDATA_SEQUENCE_1)); pr_notice("WDATA_SEQ_2=0x%x\n", WRAP_RD32(PMIC_WRAP_WDATA_SEQUENCE_2)); pr_notice("WDATA_SEQ_3=0x%x\n", WRAP_RD32(PMIC_WRAP_WDATA_SEQUENCE_3)); pr_notice("WDATA_SEQ_4=0x%x\n", WRAP_RD32(PMIC_WRAP_WDATA_SEQUENCE_4)); pr_notice("WDATA_SEQ_5=0x%x\n", WRAP_RD32(PMIC_WRAP_WDATA_SEQUENCE_5)); pr_notice("WDATA_SEQ_6=0x%x\n", WRAP_RD32(PMIC_WRAP_WDATA_SEQUENCE_6)); pr_notice("WDATA_SEQ_7=0x%x\n", WRAP_RD32(PMIC_WRAP_WDATA_SEQUENCE_7)); WRAP_WR32(PMIC_WRAP_MONITOR_CTRL_0, 0x8); /* clear log */ WRAP_WR32(PMIC_WRAP_MONITOR_CTRL_0, 0x2); /* reenable */ for (i = 0; i <= 14; i++) { offset = 0xc00 + i * 4; #if (PMIC_WRAP_KERNEL) || (PMIC_WRAP_CTP) reg_addr = (unsigned int *) (PMIC_WRAP_BASE + offset); val = WRAP_RD32(reg_addr); pr_notice("addr:0x%p = 0x%x\n", reg_addr, val); #else reg_addr = (PMIC_WRAP_BASE + offset); val = WRAP_RD32(reg_addr); pr_notice("addr:0x%x = 0x%x\n", reg_addr, val); #endif } } } static void pwrap_reenable_pmic_logging(void) { unsigned int rdata = 0, sub_return = 0; /* Read Last three command */ pwrap_read_nochk(PMIC_RECORD_CMD0_ADDR, &rdata); pr_notice("REC_CMD0:0x%x (The last cmd addr)\n", (rdata & 0x3fff)); pwrap_read_nochk(PMIC_RECORD_WDATA0_ADDR, &rdata); pr_notice("REC_WDATA0:0x%x (The last cmd wdata)\n", rdata); pwrap_read_nochk(PMIC_RECORD_CMD1_ADDR, &rdata); pr_notice("REC_CMD1:0x%x (The sec-last cmd addr)\n", (rdata & 0x3fff)); pwrap_read_nochk(PMIC_RECORD_WDATA1_ADDR, &rdata); pr_notice("REC_WDATA1:0x%x (The second-last cmd wdata)\n", rdata); pwrap_read_nochk(PMIC_RECORD_CMD2_ADDR, &rdata); pr_notice("REC_CMD2:0x%x (The third cmd addr)\n", (rdata & 0x3fff)); pwrap_read_nochk(PMIC_RECORD_WDATA2_ADDR, &rdata); pr_notice("REC_WDATA2:0x%x (The third-last cmd wdata)\n", rdata); /* Enable Command Recording */ sub_return = pwrap_write_nochk(PMIC_RG_EN_RECORD_ADDR, 0x1); if (sub_return != 0) pr_notice("enable spi debug fail, ret=%x\n", sub_return); pr_notice("enable spi debug ok\n"); /* Clear Last three command */ sub_return = pwrap_write_nochk(PMIC_RG_SPI_RECORD_CLR_ADDR, 0x1); if (sub_return != 0) pr_notice("clear record command fail, ret=%x\n", sub_return); sub_return = pwrap_write_nochk(PMIC_RG_SPI_RECORD_CLR_ADDR, 0x0); if (sub_return != 0) pr_notice("clear record command fail, ret=%x\n", sub_return); pr_notice("clear record command ok\n\r"); } void pwrap_dump_and_recovery(void) { pwrap_dump_ap_register(); pwrap_dump_pmic_register(); } void pwrap_dump_all_register(void) { unsigned int tsx_0 = 0, tsx_1 = 0, dcxo_0 = 0, dcxo_1 = 0; /* add tsx/dcxo temperture log support */ tsx_0 = WRAP_RD32(PMIC_WRAP_MD_ADCINF_0_STA_0); pr_notice("tsx dump reg_addr:0x1000d280 = 0x%x\n", tsx_0); tsx_1 = WRAP_RD32(PMIC_WRAP_MD_ADCINF_0_STA_1); pr_notice("tsx dump reg_addr:0x1000d284 = 0x%x\n", tsx_1); dcxo_0 = WRAP_RD32(PMIC_WRAP_MD_ADCINF_1_STA_0); pr_notice("tsx dump reg_addr:0x1000d288 = 0x%x\n", dcxo_0); dcxo_1 = WRAP_RD32(PMIC_WRAP_MD_ADCINF_1_STA_1); pr_notice("tsx dump reg_addr:0x1000d28c = 0x%x\n", dcxo_1); } static int is_pwrap_init_done(void) { int ret = 0; ret = WRAP_RD32(PMIC_WRAP_INIT_DONE2); pr_info("%s %d\n", __func__, ret); if ((ret & 0x1) == 1) return 0; ret = pwrap_init(); if (ret != 0) { pr_notice("init error (%d)\n", ret); pwrap_dump_all_register(); return ret; } pr_info("init successfully done (%d)\n\n", ret); return ret; } /*---------------------------------------------------------------------------*/ #ifdef CONFIG_OF static int pwrap_of_iomap(void) { /* * Map the address of the following register base: * INFRACFG_AO, TOPCKGEN, SCP_CLK_CTRL, SCP_PMICWP2P */ struct device_node *infracfg_ao_node; struct device_node *topckgen_node; infracfg_ao_node = of_find_compatible_node(NULL, NULL, "mediatek,infracfg_ao"); if (!infracfg_ao_node) { pr_notice("get INFRACFG_AO failed\n"); return -ENODEV; } infracfg_ao_base = of_iomap(infracfg_ao_node, 0); if (!infracfg_ao_base) { pr_notice("INFRACFG_AO iomap failed\n"); return -ENOMEM; } topckgen_node = of_find_compatible_node(NULL, NULL, "mediatek,topckgen"); if (!topckgen_node) { pr_notice("get TOPCKGEN failed\n"); return -ENODEV; } topckgen_base = of_iomap(topckgen_node, 0); if (!topckgen_base) { pr_notice("TOPCKGEN iomap failed\n"); return -ENOMEM; } return 0; } static void pwrap_of_iounmap(void) { iounmap(topckgen_base); } #endif #ifdef CONFIG_MTK_TINYSYS_SSPM_SUPPORT /* pmic wrap used 4*4Byte IPI data buf, * buf0 - adr, * buf1 - bit0: 0 read, 1 write; bit1: 0 pmic_wrap, 1 pmic. * buf3 - rdata, buf4 reserved */ static signed int pwrap_wacs2_ipi(unsigned int adr, unsigned int wdata, unsigned int flag) { int ipi_data_ret = 0, err; unsigned int ipi_buf[32]; /* mutex_lock(&pwrap_lock); */ ipi_buf[0] = adr; ipi_buf[1] = flag; ipi_buf[2] = wdata; err = sspm_ipi_send_sync_new(IPI_ID_PMIC_WRAP, IPI_OPT_POLLING, (void *)ipi_buf, 3, &ipi_data_ret, 1); if (err != 0) pr_notice("ipi_write error: %d\n", err); else pr_info("ipi_write success: %x\n", ipi_data_ret); /* mutex_unlock(&pwrap_lock); */ return 0; } static int pwrap_ipi_register(void) { int ret; int retry = 0; ipi_action_t pwrap_isr; pwrap_isr.data = (void *)pwrap_recv_data; do { retry++; ret = sspm_ipi_recv_registration(IPI_ID_PMIC_WRAP, &pwrap_isr); } while ((ret != 0) && (retry < 10)); if (retry >= 10) pr_notice("%s fail\n", __func__); return 0; } #endif /*Interrupt handler function*/ static int g_wrap_wdt_irq_count; static int g_case_flag; static irqreturn_t mt_pmic_wrap_irq(int irqno, void *dev_id) { unsigned int int0_flg = 0, int1_flg = 0, ret = 0; unsigned char str[50] = ""; int0_flg = WRAP_RD32(PMIC_WRAP_INT0_FLG); if ((int0_flg & 0xffffffff) != 0) { pr_notice("[PWRAP]INT0 error:0x%x\n", int0_flg); WRAP_WR32(PMIC_WRAP_INT0_CLR, 0xffffffff); #if 0 /* trigger MD ASSERT when CRC fail*/ if ((int0_flg & 0x02) == 0x02) { exec_ccci_kern_func_by_md_id (MD_SYS1, ID_FORCE_MD_ASSERT, NULL, 0); } #endif } int1_flg = WRAP_RD32(PMIC_WRAP_INT1_FLG); if ((int1_flg & 0xffffffff) != 0) { pr_notice("[PWRAP]INT1 error:0x%x\n", int1_flg); pwrap_dump_all_register(); WRAP_WR32(PMIC_WRAP_INT1_CLR, 0xffffffff); } if ((int0_flg & 0x01) == 0x01) { g_wrap_wdt_irq_count++; g_case_flag = 0; pr_notice("g_wrap_wdt_irq_count=%d\n", g_wrap_wdt_irq_count); } else if ((int0_flg & 0x02) == 0x02) { snprintf(str, 50, "PWRAP CRC=0x%x", WRAP_RD32(PMIC_WRAP_SIG_ERRVAL)); aee_kernel_warning(str, str); pwrap_logging_at_isr(); pwrap_reenable_pmic_logging(); WRAP_WR32(PMIC_WRAP_INT0_EN, 0xfffffff9); /* Clear spislv CRC sta */ ret = pwrap_write_nochk(PMIC_DEW_CRC_SWRST_ADDR, 0x1); if (ret != 0) pr_notice("clear crc fail, ret=%x\n", ret); ret = pwrap_write_nochk(PMIC_DEW_CRC_SWRST_ADDR, 0x0); if (ret != 0) pr_notice("clear crc fail, ret=%x\n", ret); pwrap_write_nochk(PMIC_DEW_CRC_EN_ADDR, 0x0); WRAP_WR32(PMIC_WRAP_CRC_EN, 0x0); WRAP_WR32(PMIC_WRAP_STAUPD_GRPEN, 0xf4); } else { g_case_flag = 1; } if (g_wrap_wdt_irq_count == 10 || g_case_flag == 1) WARN_ON(1); return IRQ_HANDLED; } static void pwrap_int_test(void) { unsigned int rdata1 = 0; unsigned int rdata2 = 0; while (1) { rdata1 = WRAP_RD32(PMIC_WRAP_EINT_STA); pwrap_read(PMIC_CPU_INT_STA_ADDR, &rdata2); pr_info("PMIC_WRAP_EINT_STA=0x%x, INT_STA[0x042E]=0x%x\n", rdata1, rdata2); msleep(500); } } /*---------------------------------------------------------------------------*/ static signed int mt_pwrap_show_hal(char *buf) { return snprintf(buf, PAGE_SIZE, "%s\n", "no implement"); } /*---------------------------------------------------------------------------*/ static signed int mt_pwrap_store_hal(const char *buf, size_t count) { unsigned int reg_value = 0; unsigned int reg_addr = 0; unsigned int return_value = 0; unsigned int ut_test = 0; if (!strncmp(buf, "-h", 2)) { pr_info("PWRAP UT: [1][2]\n"); } else if (!strncmp(buf, "-dump_reg", 9)) { pwrap_dump_all_register(); } else if (!strncmp(buf, "-trace_wacs2", 12)) { /* pwrap_trace_wacs2(); */ } else if (!strncmp(buf, "-init", 5)) { return_value = pwrap_init(); if (return_value == 0) pr_info("pwrap_init pass,return_value=%d\n", return_value); else pr_info("pwrap_init fail,return_value=%d\n", return_value); } else if (!strncmp(buf, "-rdap", 5) && (sscanf(buf + 5, "%x", ®_addr) == 1)) { /* pwrap_read_reg_on_ap(reg_addr); */ } else if (!strncmp(buf, "-wrap", 5) && (sscanf(buf + 5, "%x %x", ®_addr, ®_value) == 2)) { /* pwrap_write_reg_on_ap(reg_addr,reg_value); */ } else if (!strncmp(buf, "-rdpmic", 7) && (sscanf(buf + 7, "%x", ®_addr) == 1)) { /* pwrap_read_reg_on_pmic(reg_addr); */ } else if (!strncmp(buf, "-wrpmic", 7) && (sscanf(buf + 7, "%x %x", ®_addr, ®_value) == 2)) { /* pwrap_write_reg_on_pmic(reg_addr,reg_value); */ } else if (!strncmp(buf, "-readtest", 9)) { pwrap_read_test(); } else if (!strncmp(buf, "-writetest", 10)) { pwrap_write_test(); } else if (!strncmp(buf, "-int", 4)) { pwrap_int_test(); } else if (!strncmp(buf, "-ut", 3) && (sscanf(buf + 3, "%d", &ut_test) == 1)) { pwrap_ut(ut_test); } else { pr_info("wrong parameter\n"); } return count; } static int __init pwrap_hal_init(void) { signed int ret = 0; #ifdef CONFIG_OF unsigned int pwrap_irq; struct device_node *pwrap_node; pr_info("mt_pwrap_init++++\n"); pwrap_node = of_find_compatible_node(NULL, NULL, "mediatek,pwrap"); if (!pwrap_node) { pr_notice("PWRAP get node failed\n"); return -ENODEV; } pwrap_base = of_iomap(pwrap_node, 0); if (!pwrap_base) { pr_notice("PWRAP iomap failed\n"); return -ENOMEM; } pwrap_irq = irq_of_parse_and_map(pwrap_node, 0); if (!pwrap_irq) { pr_notice("PWRAP get irq fail\n"); return -ENODEV; } pr_info("PWRAP reg: 0x%p, irq: %d\n", pwrap_base, pwrap_irq); #endif mt_wrp = get_mt_pmic_wrap_drv(); mt_wrp->store_hal = mt_pwrap_store_hal; mt_wrp->show_hal = mt_pwrap_show_hal; mt_wrp->wacs2_hal = pwrap_wacs2_hal; pwrap_of_iomap(); #ifdef CONFIG_MTK_TINYSYS_SSPM_SUPPORT pwrap_ipi_register(); #endif if (is_pwrap_init_done() == 0) { #ifdef PMIC_WRAP_NO_PMIC #else ret = request_irq(MT_PMIC_WRAP_IRQ_ID, mt_pmic_wrap_irq, IRQF_TRIGGER_HIGH, PMIC_WRAP_DEVICE, 0); #endif if (ret) { pr_notice("register IRQ failed (%d)\n", ret); return ret; } } else { pr_notice("not init (%d)\n", ret); } pr_info("mt_pwrap_init----\n"); return ret; } #endif /* PMIC_WRAP_NO_PMIC */ /*****************************************************************************/ /* extern API for PMIC driver, INT related control (for PMIC chip to AP) */ /*****************************************************************************/ unsigned int mt_pmic_wrap_eint_status(void) { return WRAP_RD32(PMIC_WRAP_EINT_STA); } void mt_pmic_wrap_eint_clr(int offset) { if ((offset < 0) || (offset > 3)) pr_notice("clear EINT flag error, only 0-3 bit\n"); else WRAP_WR32(PMIC_WRAP_EINT_CLR, (1 << offset)); } postcore_initcall(pwrap_hal_init);