mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-24 03:53:31 +00:00
80201eccaa
Add rkmtd class and drivers to create a virtual block device to transfer Rockchip boot block data to and from NAND with block orientated tools like "ums" and "rockusb". Signed-off-by: Johan Jonker <jbx6244@gmail.com> Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
191 lines
4.1 KiB
C
191 lines
4.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
|
|
/*
|
|
* Driver interface derived from:
|
|
* /include/sandbox_host.h
|
|
* Copyright 2022 Google LLC
|
|
*
|
|
* Copyright 2023 Johan Jonker <jbx6244@gmail.com>
|
|
*/
|
|
|
|
#ifndef __RKMTD__
|
|
#define __RKMTD__
|
|
|
|
#include <part_efi.h>
|
|
#include <uuid.h>
|
|
|
|
#define LBA 64 + 512 + 33
|
|
|
|
#define RK_TAG 0xFCDC8C3B
|
|
#define NFC_SYS_DATA_SIZE 4
|
|
#define BLK_SIZE 2048
|
|
#define STEP_SIZE 1024
|
|
#define BUF_SIZE 512 * 512
|
|
|
|
struct nand_para_info {
|
|
u8 id_bytes;
|
|
u8 nand_id[6];
|
|
u8 vendor;
|
|
u8 die_per_chip;
|
|
u8 sec_per_page;
|
|
u16 page_per_blk;
|
|
u8 cell;
|
|
u8 plane_per_die;
|
|
u16 blk_per_plane;
|
|
u16 operation_opt;
|
|
u8 lsb_mode;
|
|
u8 read_retry_mode;
|
|
u8 ecc_bits;
|
|
u8 access_freq;
|
|
u8 opt_mode;
|
|
u8 die_gap;
|
|
u8 bad_block_mode;
|
|
u8 multi_plane_mode;
|
|
u8 slc_mode;
|
|
u8 reserved[5];
|
|
};
|
|
|
|
struct bootblk {
|
|
int blk;
|
|
int boot_size;
|
|
int offset;
|
|
};
|
|
|
|
struct rkmtd_dev {
|
|
struct udevice *dev;
|
|
struct blk_desc *desc;
|
|
char *label;
|
|
legacy_mbr *mbr;
|
|
gpt_header *gpt_h;
|
|
gpt_header *gpt_h2;
|
|
gpt_entry *gpt_e;
|
|
char *check;
|
|
char *idb;
|
|
char *str;
|
|
char uuid_part_str[UUID_STR_LEN + 1];
|
|
char uuid_disk_str[UUID_STR_LEN + 1];
|
|
char *datbuf;
|
|
char *oobbuf;
|
|
struct mtd_info *mtd;
|
|
struct nand_para_info *info;
|
|
u16 page_table[512];
|
|
u32 idb_need_write_back;
|
|
struct bootblk idblock[5];
|
|
u32 blk_counter;
|
|
u32 boot_blks;
|
|
u32 offset;
|
|
u32 boot_size;
|
|
u32 lsb_mode;
|
|
};
|
|
|
|
struct sector0 {
|
|
u32 magic;
|
|
u8 reserved[4];
|
|
u32 rc4_flag;
|
|
u16 boot_code1_offset;
|
|
u16 boot_code2_offset;
|
|
u8 reserved1[490];
|
|
u16 flash_data_size;
|
|
u16 flash_boot_size;
|
|
u8 reserved2[2];
|
|
} __packed;
|
|
|
|
/**
|
|
* rkmtd_rc4() - Rockchip specific RC4 Encryption Algorithm
|
|
*
|
|
* Encrypt Rockchip boot block header version 1 and data
|
|
*
|
|
* @buf: Pointer to data buffer
|
|
* @len: Data buffer size
|
|
*/
|
|
void rkmtd_rc4(u8 *buf, u32 len);
|
|
|
|
/**
|
|
* struct rkmtd_ops - operations supported by UCLASS_RKMTD
|
|
*/
|
|
struct rkmtd_ops {
|
|
/**
|
|
* @attach_mtd: - Attach a new rkmtd driver to the device structure
|
|
*
|
|
* @attach_mtd.dev: Device to update
|
|
* @attach_mtd.Returns: 0 if OK, -EEXIST if a driver is already attached,
|
|
* other -ve on other error
|
|
*/
|
|
int (*attach_mtd)(struct udevice *dev);
|
|
|
|
/**
|
|
* @detach_mtd: - Detach a rkmtd driver from the device structure
|
|
*
|
|
* @detach_mtd.dev: Device to detach from
|
|
* @detach_mtd.Returns: 0 if OK, -ENOENT if no driver is attached,
|
|
* other -ve on other error
|
|
*/
|
|
int (*detach_mtd)(struct udevice *dev);
|
|
};
|
|
|
|
#define rkmtd_get_ops(dev) ((struct rkmtd_ops *)(dev)->driver->ops)
|
|
|
|
/**
|
|
* rkmtd_get_cur_dev() - Get the current device
|
|
*
|
|
* Returns current device, or NULL if none
|
|
*/
|
|
struct udevice *rkmtd_get_cur_dev(void);
|
|
|
|
/**
|
|
* rkmtd_set_cur_dev() - Set the current device
|
|
*
|
|
* Sets the current device, or clears it if @dev is NULL
|
|
*
|
|
* @dev: Device to set as the current one
|
|
*/
|
|
void rkmtd_set_cur_dev(struct udevice *dev);
|
|
|
|
/**
|
|
* rkmtd_find_by_label() - Find a rkmtd device by label
|
|
*
|
|
* Searches all rkmtd devices to find one with the given label
|
|
*
|
|
* @label: Label to find
|
|
* Returns: associated device, or NULL if not found
|
|
*/
|
|
struct udevice *rkmtd_find_by_label(const char *label);
|
|
|
|
/**
|
|
* rkmtd_attach() - Attach a new rkmtd driver to the device structure
|
|
*
|
|
* @dev: Device to update
|
|
* Returns: 0 if OK, -EEXIST if a file is already attached, other -ve on
|
|
* other error
|
|
*/
|
|
int rkmtd_attach(struct udevice *dev);
|
|
|
|
/**
|
|
* rkmtd_detach() - Detach a rkmtd driver from the device structure
|
|
*
|
|
* @dev: Device to detach from
|
|
* Returns: 0 if OK, -ENOENT if no file is attached, other -ve on other
|
|
* error
|
|
*/
|
|
int rkmtd_detach(struct udevice *dev);
|
|
|
|
/**
|
|
* rkmtd_create_device() - Create a new rkmtd device
|
|
*
|
|
* Any existing device with the same label is removed and unbound first
|
|
*
|
|
* @label: Label of the attachment, e.g. "test1"
|
|
* @devp: Returns the device created, on success
|
|
* Returns: 0 if OK, -ve on error
|
|
*/
|
|
int rkmtd_create_device(const char *label, struct udevice **devp);
|
|
|
|
/**
|
|
* rkmtd_create_attach_mtd() - Create a new rkmtd device and attach driver
|
|
*
|
|
* @label: Label of the attachment, e.g. "test1"
|
|
* @devp: Returns the device created, on success
|
|
* Returns: 0 if OK, -ve on error
|
|
*/
|
|
int rkmtd_create_attach_mtd(const char *label, struct udevice **devp);
|
|
|
|
#endif /* __RKMTD__ */
|