| |
| /* |
| * arch/arm/include/asm/arch-gxb/efuse.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. |
| */ |
| |
| #ifndef __EFUSE_H |
| #define __EFUSE_H |
| |
| #include <config.h> |
| #include <common.h> |
| |
| /* efuse HAL_API arg */ |
| struct efuse_hal_api_arg { |
| unsigned int cmd; /* R/W */ |
| unsigned int offset; |
| unsigned int size; |
| unsigned long buffer_phy; |
| unsigned long retcnt_phy; |
| }; |
| |
| |
| #define EFUSE_BYTES 512 /* (EFUSE_BITS/8) */ |
| |
| #define EFUSE_HAL_API_READ 0 |
| #define EFUSE_HAL_API_WRITE 1 |
| #define EFUSE_HAL_API_WRITE_PATTERN 2 |
| #define EFUSE_HAL_API_USER_MAX 3 |
| |
| #define EFUSE_USER_MASK (0x1 << 16) |
| #define EFUSE_THERMAL_MASK (0x1 << 17) |
| #define EFUSE_THERMAL_VERFLAG_MASK (0x1 << 18) |
| #define EFUSE_ENCRYPT_MASK (0x1 << 19) |
| |
| //#define ASSIST_HW_REV 0x1f53 |
| |
| int efuse_read_usr(char *buf, size_t count, loff_t *ppos); |
| int efuse_write_usr(char *buf, size_t count, loff_t *ppos); |
| uint32_t efuse_get_max(void); |
| ssize_t efuse_read(char *buf, size_t count, loff_t *ppos); |
| ssize_t efuse_write(const char *buf, size_t count, loff_t *ppos); |
| |
| int32_t meson_trustzone_efuse(struct efuse_hal_api_arg *arg); |
| int32_t meson_trustzone_efuse_get_max(struct efuse_hal_api_arg *arg); |
| |
| #endif |
| |