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/*
* Copyright (C) 2017 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.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* *
Description:
*/
#ifndef _AML_MMC_H
#define _AML_MMC_H
#include <asm/io.h>
#include <config.h>
#include <common.h>
#include <command.h>
#include <mmc.h>
#include <part.h>
#include <malloc.h>
#include <linux/list.h>
#include <mmc.h>
#include <div64.h>
#include <environment.h>
#include <malloc.h>
#include <asm/cache.h>
#include <asm/arch/clock.h>
#include<partition_table.h>
#include <storage.h>
#include <linux/sizes.h>
#define AML_MMC_DBG
#define MAX_DEVICE_NUM 32
#define MAX_DEVICE_NAME_LEN 16
#define MAX_MMC_PART_NUM 32
#define MAX_MMC_PART_NAME_LEN 16
#define MMC_BOOT_PARTITION_SUPPORT 1
#ifndef CONFIG_AML_MMC_INHERENT_PART
#define PARTITION_RESERVED (8*SZ_1M) // 8MB
#define MMC_BOOT_PARTITION_RESERVED (32*SZ_1M) // 32MB
#define MMC_GPT_RESERVED_PARTITION_RESERVED MMC_BOOT_PARTITION_RESERVED
#define MMC_GPT_RESERVED_NAME "gpt-reserved"
#define MMC_GPT_RESERVED_SIZE (SZ_4M)
#define MMC_PARTITION_PROTECT_MASK 0x10 //low 4bit is for nand
#define MMC_BOOT_NAME "bootloader"
#define MMC_BOOT_NAME0 "bootloader-boot0"
#define MMC_BOOT_NAME1 "bootloader-boot1"
#define MMC_BOOT_DEVICE_SIZE (0x4*SZ_1M)
#define MMC_RESERVED_NAME "reserved"
// The original "reserved" partition in VIM3 vendor-provided images is 64 MB.
//
// Old versions of Fuchsia VIM3 bootloader changed the gap between
// "gpt-reserved" partition and "reserved" partition from 32MB to 8MB.
// (see https://third-party-mirror.googlesource.com/u-boot/+/d09e609e5de5e7e87253d05ca05ba32c00fa341b)
//
// In order to get the correct "reserved" partition offset, while preserving
// the partition offset of all Fuchsia-specific partitions (zircon/vbmeta/fvm),
// we should increase the gap between "gpt-reserved" and "reserved" from 8MB
// to 32MB, meanwhile we reduce the size of "reserved" partition by 24MB
// (32MB - 8MB).
//
// The "reserved" partition is only used for u-boot virtual partitions and it
// only takes less than 9MB so far; so it is safe to reduce its size to 40MB
// without breaking u-boot.
#define MMC_RESERVED_SIZE (64 * SZ_1M - (MMC_GPT_RESERVED_PARTITION_RESERVED - PARTITION_RESERVED))
#define MMC_BOTTOM_RSV_SIZE (0)
#endif /* CONFIG_AML_MMC_INHERENT_PART */
#define MMC_CACHE_NAME "cache"
// #define MMC_CACHE_SIZE (512*SZ_1M) // this is not used and should be get from spl
#define MMC_ENV_NAME "env"
#define MMC_ENV_SIZE (8*SZ_1M)
#define MMC_ZIRCON_LOGO_NAME "logo"
#define MMC_ZIRCON_LOGO_SIZE (8*SZ_1M)
#define MMC_ZIRCON_A_NAME "zircon-a"
#define MMC_ZIRCON_A_SIZE (24*SZ_1M)
#define MMC_ZIRCON_B_NAME "zircon-b"
#define MMC_ZIRCON_B_SIZE (24*SZ_1M)
#define MMC_ZIRCON_R_NAME "zircon-r"
#define MMC_ZIRCON_R_SIZE (24*SZ_1M)
#define MMC_ZIRCON_SYS_CONF_NAME "sys-config"
#define MMC_ZIRCON_SYS_CONF_SIZE (24*SZ_1M)
#define MMC_ZIRCON_FVM_NAME "fvm"
#define MMC_ZIRCON_FVM_SIZE (1024*SZ_1M)
#define MMC_KEY_NAME "key"
#define MMC_KEY_SIZE (256*1024)
#define EMMCKEY_RESERVE_OFFSET (0x4000)
#define MMC_RESERVED_OFFSET (36*SZ_1M)
#define MMC_BLOCK_SIZE (512)
// #define MMC_SECURE_NAME "secure"
// #define MMC_SECURE_SIZE (0x1*SZ_1M)
#define MMC_MPT_VERSION_1 "01.00.00"
#define MMC_MPT_VERSION_2 "01.02.00"
/* version in use, fixme when kenel driver is updated. */
#define MMC_MPT_VERSION MMC_MPT_VERSION_1
#define MMC_PARTITIONS_MAGIC "MPT" // MMC Partition Table
#define MMC_CARD_PARTITION_NAME "card"
/* virtual partitions*/
#define MMC_MBR_NAME ("AML_MBR")
/* offset&size of mbr will not be used */
#define MMC_MBR_OFFSET (0x0)
#define MMC_MBR_SIZE (0x200)
/*
* partition table
* |<----partition_table---->|<----key---->|
*
*/
#define MMC_TABLE_NAME ("AML_TABLE")
#define MMC_TABLE_OFFSET (0x0)
#define MMC_TABLE_SIZE (16*1024)
/*
* write 128KB data pattern
* |<----pattern---->||<------DTB------>|
*/
#define MMC_PATTERN_NAME "pattern"
#define CALI_PATTERN_OFFSET (SZ_1M * 3)
#define CALI_PATTERN_SIZE (256 * 512)
#define CALI_BLOCK_SIZE (512)
#define CALI_PATTERN (0x55aa55aa)
#define MMC_MAGIC_NAME "magic"
#define MAGIC_OFFSET (SZ_1M * 6)
#define MAGIC_SIZE (256 * 512)
#define MAGIC_BLOCK_SIZE (512)
#define MAGIC_PATTERN (0X00FF00FF)
#define MMC_RANDOM_NAME "random"
#define RANDOM_OFFSET (SZ_1M * 7)
#define RANDOM_SIZE (256 * 512)
#define RANDOM_BLOCK_SIZE (512)
#define RANDOM_PATTERN (0X52414E44)
#define MMC_DDR_PARAMETER_NAME "ddr-parameter"
#define DDR_PARAMETER_OFFSET (SZ_1M * 8)
#define DDR_PARAMETER_SIZE (4 * 512)
/*
* 2 copies dtb were stored in dtb area.
* each is 256K.
* timestamp&checksum are in the tail.
* |<--------------DTB Area-------------->|
* |<------DTB1------->|<------DTB2------>|
*/
#define MMC_DTB_NAME "dtb"
#define DTB_OFFSET (SZ_1M * 4)
#define DTB_BLK_SIZE (512)
#define DTB_BLK_CNT (512)
#define DTB_SIZE (DTB_BLK_CNT * DTB_BLK_SIZE)
#define DTB_COPIES (2)
#define DTB_AREA_BLK_CNT (DTB_BLK_CNT * DTB_COPIES)
#define EMMC_DTB_DEV (1)
#define EMMC_FASTBOOT_CONTEXT_DEV (1)
#define MMC_FASTBOOT_CONTEXT_NAME "fastboot_context"
#define FASTBOOT_CONTEXT_OFFSET (SZ_1M * 5)
#define FASTBOOT_CONTEXT_SIZE (512)
struct virtual_partition {
char name[MAX_MMC_PART_NAME_LEN];
uint64_t offset;
uint64_t size;
};
#define VIRTUAL_PARTITION_ELEMENT(na, of, sz) {.name = na, .offset = of, .size = sz,}
struct aml_pattern {
char name[MAX_MMC_PART_NAME_LEN];
unsigned int pattern;
};
#define AML_PATTERN_ELEMENT(na, pa) {.name = na, .pattern = pa,}
#ifdef AML_MMC_DBG
#define aml_mmc_dbg(fmt, ...) printk( "%s: line:%d " fmt "\n", \
__func__, __LINE__, ##__VA_ARGS__)
#define aml_mmc_msg(fmt, ...) printk( "%s: line:%d " fmt "\n", \
__func__, __LINE__, ##__VA_ARGS__)
#else
#define aml_mmc_dbg(fmt, ...)
#define aml_mmc_msg(fmt, ...) printk( fmt "\n", ##__VA_ARGS__)
#endif
#define DOS_MBR 0
#define DOS_PBR 1
#define DOS_PBR_FSTYPE_OFFSET 0x36
#define DOS_PBR32_FSTYPE_OFFSET 0x52
#define DOS_PART_DISKSIG_OFFSET 0x1b8
#define DOS_PART_TBL_OFFSET 0x1be
#define DOS_PART_MAGIC_OFFSET 0x1fe
#define DOS_PBR_MEDIA_TYPE_OFFSET 0x15
#define DOS_PARTITION_COUNT 32
typedef struct dos_partition {
unsigned char boot_ind; /* 0x80 - active */
unsigned char head; /* starting head */
unsigned char sector; /* starting sector */
unsigned char cyl; /* starting cylinder */
unsigned char sys_ind; /* What partition type */
unsigned char end_head; /* end head */
unsigned char end_sector; /* end sector */
unsigned char end_cyl; /* end cylinder */
unsigned char start4[4]; /* starting sector counting from 0 */
unsigned char size4[4]; /* nr of sectors in partition */
} dos_partition_t;
struct dos_mbr_or_ebr{
unsigned char bootstart[446];
struct dos_partition part_entry[4];
unsigned char magic[2];
};
struct mmc_partitions_fmt {
char magic[4];
unsigned char version[12];
int part_num;
int checksum;
struct partitions partitions[MAX_MMC_PART_NUM];
};
struct mmc_partition_config{
unsigned char version[12];
int part_num;
struct partitions partitions[MAX_MMC_PART_NUM];
unsigned option;
void * private_data;
};
/*
struct _mmc_device{
char name[MAX_DEVICE_NAME_LEN];
uint64_t offset;
uint64_t size;
void * private_data;
struct list_head list;
};
*/
#define LOCK_MAJOR_VERSION 1
#define LOCK_MINOR_VERSION 0
#define LOCK_DATA_SIZE 16
typedef struct LockData {
uint8_t version_major;
uint8_t version_minor;
/* Padding to eight bytes. */
uint8_t reserved1[2];
/* 0: unlock 1: lock*/
uint8_t lock_state;
/* 0: unlock 1: lock*/
uint8_t lock_critical_state;
/* 0: enable bootloader version rollback 1: prevent bootloader version rollback*/
uint8_t lock_bootloader;
uint8_t reserved2[1];
} LockData_t;
/*512Bytes*/
typedef struct FastbootContext {
/* locks */
LockData_t lock;
uint8_t rsv[248];
/* checksum, storage driver care */
uint32_t crc32;
} FastbootContext_t;
extern bool is_partition_checked;
extern struct partitions emmc_partition_table[];
extern int get_emmc_partition_arraysize(void);
/*
* get the partition number by name
* return value
* < 0 means no partition found
* >= 0 means valid partition
*/
extern int get_partition_num_by_name(char *name);
struct partitions *find_mmc_partition_by_name(const char *name);
struct partitions *aml_get_partition_by_name(const char *name);
int mmc_boot_size(char *name, uint64_t* size);
struct virtual_partition *aml_get_virtual_partition_by_name(const char *name);
bool aml_is_emmc_tsd (struct mmc *mmc);
int mmc_device_init (struct mmc *mmc);
ulong _get_inherent_offset(const char *name);
#define PARTITION_ELEMENT(na, sz, flags) {.name = na, .size = sz, .mask_flags = flags,}
#endif