arch/arm/mach-msm/msm_smem_iface.h

/*
 * Copyright (c) 2012, Code Aurora Forum. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 and
 * only version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 */

#ifndef __ARCH_ARM_MACH_MSM_SMEM_IFACE_H
#define __ARCH_ARM_MACH_MSM_SMEM_IFACE_H

#include <mach/msm_smsm.h>
#include "smd_private.h"

#define MAX_KEY_EVENTS 10
#define MAX_SEC_KEY_PAYLOAD 32

struct boot_shared_ssd_status_info {
	uint32_t update_status;  /* To check if process is successful or not */
	uint32_t bl_error_code;  /* To indicate error code in bootloader */
};

struct boot_symmetric_key_info {
	uint32_t key_len; /* Encrypted Symmetric Key Length */
	uint32_t iv_len;  /* Initialization Vector Length */
	uint8_t  key[MAX_SEC_KEY_PAYLOAD]; /* Encrypted Symmetric Key */
	uint8_t  iv[MAX_SEC_KEY_PAYLOAD]; /* Initialization Vector */
};

/* floor_fuse to re-use the fuse bit earlier used by ring_osc */
struct cpr_info_type {
	uint8_t ring_osc;   /* CPR FUSE [0]: TURBO RO SEL BIT */
	uint8_t turbo_quot; /* CPRFUSE[1:7] : TURBO QUOT*/
	uint8_t pvs_fuse;   /* TURBO PVS FUSE */
	uint8_t floor_fuse; /* Vmin Selection. b1: FAB_ID(2), b0: CPR_fuse[0] */
};

struct boot_info_for_apps {
	uint32_t apps_image_start_addr; /* apps image start address */
	uint32_t boot_flags; /* bit mask of upto 32 flags */
	struct boot_shared_ssd_status_info ssd_status_info; /* SSD status */
	struct boot_symmetric_key_info key_info;
	uint16_t boot_keys_pressed[MAX_KEY_EVENTS]; /* Log of key presses */
	uint32_t timetick; /* Modem tick timer value before apps out of reset */
	struct cpr_info_type cpr_info;
	uint8_t PAD[24];
};

void msm_smem_get_cpr_info(struct cpr_info_type *cpr_info);

#endif /* __ARCH_ARM_MACH_MSM_SMEM_IFACE_H */