
/*
 * arch/arm/include/asm/arch-txl/bl31_apis.h
 *
 * Copyright (C) 2015 Amlogic, Inc. 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 as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

/*
 * Trustzone API
 *
 * Copyright (C) 2012 Amlogic, Inc.
 *
 * Author: Platform-SH@amlogic.com
 *
 */

#ifndef __GXBB_BL31_APIS_H
#define __GXBB_BL31_APIS_H

#include <asm/arch/io.h>

/*#define SRAM_READ				0x82000010
#define CORE_RD_REV1			0x82000011
#define SRAM_ACS_READ		0x82000012
#define SRAM_ACS_INDIRECT_READ		0x82000013*/

#define GET_SHARE_MEM_INPUT_BASE		0x82000020
#define GET_SHARE_MEM_OUTPUT_BASE		0x82000021
#define GET_REBOOT_REASON		0x82000022
#define GET_SHARE_STORAGE_IN_BASE		0x82000023
#define GET_SHARE_STORAGE_OUT_BASE		0x82000024
#define GET_SHARE_STORAGE_BLOCK_BASE	0x82000025
#define GET_SHARE_STORAGE_MESSAGE_BASE	0x82000026
#define GET_SHARE_STORAGE_BLOCK_SIZE		0x82000027
#define SET_STORAGE_INFO		0x82000028

/* Set Reboot Reason then Reboot*/
#define PSCI_SYS_REBOOT		0x84000009

/* SECUREOS DEFINITION*/
/* SMC Identifiers for non-secure world functions */
#define CALL_TRUSTZONE_HAL_API                  0x5

/* EFUSE */
#define EFUSE_READ					0x82000030
#define EFUSE_WRITE				0x82000031
#define EFUSE_WRITE_PATTERN		0x82000032
#define EFUSE_USER_MAX    0x82000033

#define DEBUG_EFUSE_WRITE_PATTERN	0x820000F0
#define DEBUG_EFUSE_READ_PATTERN	0x820000F1

/* JTAG*/
#define JTAG_ON                                0x82000040
#define JTAG_OFF                               0x82000041

#define SET_USB_BOOT_FUNC	0x82000043
	/* USB BOOT FUNC sub command list*/
	#define CLEAR_USB_BOOT			1
	#define FORCE_USB_BOOT			2
	#define RUN_COMD_USB_BOOT		3
	#define PANIC_DUMP_USB_BOOT	4

#define GET_CHIP_ID			0x82000044
/* Security Key*/
#define SECURITY_KEY_QUERY	0x82000060
#define SECURITY_KEY_READ	0x82000061
#define SECURITY_KEY_WRITE	0x82000062
#define SECURITY_KEY_TELL		0x82000063
#define SECURITY_KEY_VERIFY	0x82000064
#define SECURITY_KEY_STATUS	0x82000065
#define SECURITY_KEY_NOTIFY	0x82000066
#define SECURITY_KEY_LIST		0x82000067
#define SECURITY_KEY_REMOVE	0x82000068
#define SECURITY_KEY_NOTIFY_EX	0x82000069
#define SECURITY_KEY_SET_ENCTYPE	0x8200006A
#define SECURITY_KEY_GET_ENCTYPE	0x8200006B
#define SECURITY_KEY_VERSION		0x8200006C

/*viu probe en*/
#define VIU_PREOBE_EN		0x82000080
/* Secure HAL APIs */
#define TRUSTZONE_HAL_API_SRAM                  0x400


#define SRAM_HAL_API_CHECK_EFUSE 0x403
struct sram_hal_api_arg {
	unsigned int cmd;
	unsigned int req_len;
	unsigned int res_len;
	unsigned long req_phy_addr;
	unsigned long res_phy_addr;
	unsigned long ret_phy_addr;
};

#define JTAG_STATE_ON  0
#define JTAG_STATE_OFF 1
#define JTAG_M3_AO     0
#define JTAG_M3_EE     1
#define JTAG_A53_AO    2
#define JTAG_A53_EE 3
#define CLUSTER_BIT 2


/////////////////////////////////////////////////////////////////////////////////
#define AML_DATA_PROCESS                 (0x820000FF)
	#define AML_D_P_W_EFUSE_SECURE_BOOT  (0x10)
	#define AML_D_P_W_EFUSE_PASSWORD     (0x11)
	#define AML_D_P_W_EFUSE_CUSTOMER_ID  (0x12)
	#define AML_D_P_W_EFUSE_AMLOGIC 	 (0x20)
	#define AML_D_P_IMG_DECRYPT          (0x40)
	#define AML_D_P_IMG_DECRYPT_V3       (0x41)
	#define AML_D_P_EXT_IMG_DECRYPT_V3   (0x51)
	#define AML_D_P_UPGRADE_CHECK        (0x80)

/* Verified execution */
#define PERMANENT_ATTRIBUTES_READ	0x82000090
#define PERMANENT_ATTRIBUTES_SIZE	1052
#define PERMANENT_ATTRIBUTES_HASH_SIZE	32

/* Returns the bootloader lock state in X0.
 *
 * Important: to protect against bitflip attacks/errors, always require the
 * state match the expectation exactly; for example, if an operation is only
 * allowed when unlocked, do this:
 *   if (state == VX_BOOTLOADER_LOCK_STATE_UNLOCKED) { privilegedOp(); }
 * not this:
 *   if (state != VX_BOOTLOADER_LOCK_STATE_LOCKED) { privilegedOp(); }
 * so that anything other than an exact match defaults to the lower-privilege
 * state. */
#define VX_GET_BOOTLOADER_LOCK_STATE		0x82000091
#define VX_BOOTLOADER_LOCK_STATE_LOCKED 	0xDE64135Au
#define VX_BOOTLOADER_LOCK_STATE_UNLOCKED 	0xC9FD41C3u

/* Unlocks the bootloader. Returns 0 in X0 on success. */
#define VX_UNLOCK_BOOTLOADER			0x82000092

/* Exits the bootloader. Returns 0 in X0 on success.
 * Must be called successfully before jumping to Zircon. */
#define VX_EXIT_BOOTLOADER			0x82000093

#define GXB_EFUSE_PATTERN_SIZE      (0x500)
#define GXB_IMG_SIZE                (24<<20)
#define GXB_IMG_LOAD_ADDR           (0x1080000)
	#define GXB_IMG_DEC_KNL   (1<<0)
	#define GXB_IMG_DEC_RMD   (1<<1)
	#define GXB_IMG_DEC_DTB   (1<<2)
	#define GXB_IMG_DEC_ALL   (GXB_IMG_DEC_KNL|GXB_IMG_DEC_RMD|GXB_IMG_DEC_DTB)

#define __asmeq(x, y)  ".ifnc " x "," y " ; .err ; .endif\n\t"

void aml_set_jtag_state(unsigned state, unsigned select);
unsigned aml_get_reboot_reason(void);
unsigned aml_reboot(uint64_t function_id, uint64_t arg0, uint64_t arg1, uint64_t arg2);
unsigned long aml_sec_boot_check(unsigned long ,unsigned long ,unsigned long,unsigned long );
long get_sharemem_info(unsigned long);
void set_usb_boot_function(unsigned long command);
void aml_system_off(void);

void bl31_get_chipid(unsigned int *, unsigned int *,
	unsigned int *, unsigned int *);
void set_viu_probe_enable(void);

/* Queries BL31 for permanent attributes.
 *
 * @in_hash: SHA256 identifying which attributes to return. Must be at least
 *           PERMANENT_ATTRIBUTES_HASH_SIZE in length.
 * @out_attrs: full attributes will be written here if found. Must be at least
 *             PERMANENT_ATTRIBUTES_SIZE in length.
 *
 * Returns 0 on success, nonzero on failure.
 */
int bl31_get_permanent_attributes(const void *in_hash, void *out_attrs);

/* BL31 VX SIP wrappers. See documentation above. */
uint64_t bl31_vx_get_bootloader_lock_state(void);
int bl31_vx_unlock_bootloader(void);
int bl31_vx_exit_bootloader(void);

#endif