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/* Copyright 2019 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef __CROS_EC_ISH_AON_SHARE_H
#define __CROS_EC_ISH_AON_SHARE_H
#include "common.h"
#include "ia_structs.h"
#include "power_mgt.h"
/* magic ID for valid aontask image check */
#define AON_MAGIC_ID 0x544E4F41 /*"AONT"*/
/* aontask error code */
#define AON_SUCCESS 0
#define AON_ERROR_NOT_SUPPORT_POWER_MODE 1
#define AON_ERROR_DMA_FAILED 2
/* shared data structure between main FW and aontask */
struct ish_aon_share {
/* magic ID */
uint32_t magic_id;
/* error counter */
uint32_t error_count;
/* last error */
int last_error;
/* successfully exit from IPAPG or not */
uint32_t pg_exit;
/* high 32bits of 64 bits dram address for dma */
uint32_t uma_msb;
/* aontask's TSS segment entry */
struct tss_entry *aon_tss;
/* aontask's LDT start address */
ldt_entry *aon_ldt;
/* aontask's LDT's limit size */
uint32_t aon_ldt_size;
/* current power state, see chip/ish/power_mgt.h */
enum ish_pm_state pm_state;
/* for store/restore main FW's IDT */
struct idt_header main_fw_idt_hdr;
/**
* main FW's read only code and data region in main SRAM,
* address need 64 bytes align due to DMA requirement
*/
uint32_t main_fw_ro_addr;
uint32_t main_fw_ro_size;
/**
* main FW's read and write data region in main SRAM,
* address need 64 bytes align due to DMA requirement
*/
uint32_t main_fw_rw_addr;
uint32_t main_fw_rw_size;
} __packed;
#endif /* __CROS_EC_ISH_AON_SHARE_H */
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