175 lines
4.6 KiB
C
175 lines
4.6 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2019 MediaTek Inc.
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*/
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#ifndef __SCP_HELPER_H__
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#define __SCP_HELPER_H__
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#include <linux/notifier.h>
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#include <linux/interrupt.h>
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#include "scp_reg.h"
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#include "scp_feature_define.h"
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/* scp config reg. definition*/
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#define SCP_TCM_SIZE (scpreg.total_tcmsize)
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#define SCP_A_TCM_SIZE (scpreg.scp_tcmsize)
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#define SCP_TCM (scpreg.sram) /* virtual address */
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#define SCP_REGION_INFO_OFFSET 0x400
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#define SCP_RTOS_START 0x800
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#define SCP_A_SHARE_BUFFER (scpreg.sram + \
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SCP_RTOS_START - SHARE_BUF_SIZE * 2)
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#define SCP_TCM_PHY_ADDR (0x10500000) /* AP view: physical address */
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/* scp dvfs return status flag */
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#define SET_PLL_FAIL (1)
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#define SET_PMIC_VOLT_FAIL (2)
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/* This structre need to sync with SCP-side */
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struct SCP_IRQ_AST_INFO {
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unsigned int scp_irq_ast_time;
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unsigned int scp_irq_ast_pc_s;
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unsigned int scp_irq_ast_pc_e;
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unsigned int scp_irq_ast_lr_s;
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unsigned int scp_irq_ast_lr_e;
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unsigned int scp_irq_ast_irqd;
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};
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/* reset ID */
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#define SCP_ALL_ENABLE 0x00
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#define SCP_ALL_REBOOT 0x01
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#define SCP_A_ENABLE 0x10
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#define SCP_A_REBOOT 0x11
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/* scp reset status */
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enum SCP_RESET_STATUS {
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RESET_STATUS_STOP = 0,
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RESET_STATUS_START = 1,
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};
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/* scp reset status */
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enum SCP_RESET_TYPE {
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RESET_TYPE_WDT = 0,
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RESET_TYPE_AWAKE = 1,
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RESET_TYPE_CMD = 2,
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};
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struct scp_regs {
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void __iomem *scpsys;
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void __iomem *sram;
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void __iomem *cfg;
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void __iomem *clkctrl;
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void __iomem *l1cctrl;
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int irq;
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unsigned int total_tcmsize;
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unsigned int cfgregsize;
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unsigned int scp_tcmsize;
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};
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/* scp work struct definition*/
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struct scp_work_struct {
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struct work_struct work;
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unsigned int flags;
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unsigned int id;
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};
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struct scp_reserve_mblock {
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enum scp_reserve_mem_id_t num;
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u64 start_phys;
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u64 start_virt;
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u64 size;
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};
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struct scp_region_info_st {
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uint32_t ap_loader_start;
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uint32_t ap_loader_size;
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uint32_t ap_firmware_start;
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uint32_t ap_firmware_size;
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uint32_t ap_dram_start;
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uint32_t ap_dram_size;
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uint32_t ap_dram_backup_start;
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/* This is the size of the structure.
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* It can act as a version number if entries can only be
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* added to (not deleted from) the structure.
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* It should be the first entry of the structure, but for
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* compatibility reason, it is appended here.
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*/
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uint32_t struct_size;
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uint32_t scp_log_thru_ap_uart;
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uint32_t TaskContext_ptr;
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uint32_t Il1c_con;
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uint32_t Dl1c_con;
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uint32_t scpctl;
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uint32_t ap_params_start;
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};
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/* scp device attribute */
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extern struct device_attribute dev_attr_scp_A_mobile_log_UT;
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extern struct device_attribute dev_attr_scp_A_logger_wakeup_AP;
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extern const struct file_operations scp_A_log_file_ops;
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extern struct scp_regs scpreg;
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extern struct device_attribute dev_attr_scp_mobile_log;
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extern struct device_attribute dev_attr_scp_A_get_last_log;
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extern struct device_attribute dev_attr_scp_A_status;
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extern struct bin_attribute bin_attr_scp_dump;
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/* scp loggger */
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int scp_logger_init(phys_addr_t start, phys_addr_t limit);
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void scp_logger_uninit(void);
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/* scp exception */
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extern int scp_excep_init(void);
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extern void scp_ram_dump_init(void);
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extern void scp_excep_cleanup(void);
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extern void scp_aee_last_reg(void);
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/* scp irq */
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extern irqreturn_t scp_A_irq_handler(int irq, void *dev_id);
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extern void scp_A_irq_init(void);
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extern void scp_A_ipi_init(void);
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/* scp helper */
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extern void scp_schedule_work(struct scp_work_struct *scp_ws);
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extern void scp_schedule_logger_work(struct scp_work_struct *scp_ws);
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extern void memcpy_to_scp(void __iomem *trg,
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const void *src, int size);
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extern void memcpy_from_scp(void *trg, const void __iomem *src,
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int size);
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extern int reset_scp(int reset);
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extern int scp_check_resource(void);
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void set_scp_mpu(void);
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extern phys_addr_t scp_mem_base_phys;
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extern void __iomem *scp_mem_base_virt;
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extern phys_addr_t scp_mem_size;
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extern atomic_t scp_reset_status;
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/*extern scp notify*/
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extern void scp_send_reset_wq(enum SCP_RESET_TYPE type);
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extern void scp_extern_notify(enum SCP_NOTIFY_EVENT notify_status);
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extern struct completion scp_sys_reset_cp;
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extern void scp_status_set(unsigned int value);
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extern void scp_logger_init_set(unsigned int value);
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extern unsigned int scp_set_reset_status(void);
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extern void scp_enable_sram(void);
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extern int scp_sys_full_reset(void);
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extern void scp_reset_awake_counts(void);
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extern void scp_awake_init(void);
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#if SCP_RECOVERY_SUPPORT
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extern phys_addr_t scp_loader_base_virt;
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extern unsigned int scp_reset_by_cmd;
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extern struct scp_region_info_st scp_region_info_copy;
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extern struct scp_region_info_st *scp_region_info;
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extern void __iomem *scp_l1c_start_virt;
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#endif
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__attribute__((weak))
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int sensor_params_to_scp(void *addr_vir, size_t size);
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#endif
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