arch/arm/include/asm/cpu_id.h

/*
 * arch/arm/include/asm/cpu_id.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.
*/

#define MESON_CPU_MAJOR_ID_M6		0x16
#define MESON_CPU_MAJOR_ID_M6TV		0x17
#define MESON_CPU_MAJOR_ID_M6TVL	0x18
#define MESON_CPU_MAJOR_ID_M8		0x19
#define MESON_CPU_MAJOR_ID_MTVD		0x1A
#define MESON_CPU_MAJOR_ID_M8B		0x1B
#define MESON_CPU_MAJOR_ID_MG9TV	0x1C
#define MESON_CPU_MAJOR_ID_M8M2		0x1D
#define MESON_CPU_MAJOR_ID_GXBB		0x1F
#define MESON_CPU_MAJOR_ID_GXTVBB	0x20
#define MESON_CPU_MAJOR_ID_GXL		0x21
#define MESON_CPU_MAJOR_ID_GXM		0x22
#define MESON_CPU_MAJOR_ID_TXL		0x23
#define MESON_CPU_MAJOR_ID_TXLX		0x24
#define MESON_CPU_MAJOR_ID_AXG		0x25
#define MESON_CPU_MAJOR_ID_GXLX		0x26
#define MESON_CPU_MAJOR_ID_TXHD		0x27
#define MESON_CPU_MAJOR_ID_G12A		0x28

#define MESON_CPU_PACKAGE_ID_905D	0X00
#define MESON_CPU_PACKAGE_ID_905M	0x20
#define MESON_CPU_PACKAGE_ID_905X	0X80
#define MESON_CPU_PACKAGE_ID_905L	0XC0
#define MESON_CPU_PACKAGE_ID_905M2	0XE0

#define MESON_CPU_PACKAGE_ID_T962X	0x10
#define MESON_CPU_PACKAGE_ID_T962E	0x20

#define MESON_CPU_PACKAGE_ID_A113X	0x37
#define MESON_CPU_PACKAGE_ID_A113D	0xD0

#define MESON_CPU_CHIP_REVISION_A	0xA
#define MESON_CPU_CHIP_REVISION_B	0xB
#define MESON_CPU_CHIP_REVISION_C	0xC
#define MESON_CPU_CHIP_REVISION_D	0xD

typedef struct cpu_id {
	unsigned int family_id:8; //S905/T968 etc.
	unsigned int package_id:8; //T968/T966 etc.
	unsigned int chip_rev:8; //RevA/RevB etc.
	unsigned int reserve:4;
	unsigned int layout_ver:4;
} cpu_id_t;

typedef struct chip_id {
	unsigned int version;
	unsigned char chipid[16];
} chip_id_t;

cpu_id_t get_cpu_id(void);

extern chip_id_t aml_chip_id;
int get_chip_id(unsigned char *buff, unsigned int size);

/**
 * TODO: Remove this API after move static system information to RO
 * register or SRAM
 *
 * Should *NOT* call this API directly, always use get_chip_id()
 */
int __get_chip_id(unsigned char *buff, unsigned int size);