mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-14 23:33:00 +00:00
0ae1c77199
Add Nuvoton BMC npcm750 otp driver Signed-off-by: Jim Liu <JJLIU0@nuvoton.com>
90 lines
2.4 KiB
C
90 lines
2.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
|
|
|
|
#ifndef _NPCM_OTP_H_
|
|
#define _NPCM_OTP_H_
|
|
|
|
#ifdef CONFIG_ARCH_NPCM8XX
|
|
enum {
|
|
NPCM_KEY_SA = 0,
|
|
NPCM_FUSE_SA = 0,
|
|
NPCM_NUM_OF_SA = 1
|
|
};
|
|
#else
|
|
enum {
|
|
NPCM_KEY_SA = 0,
|
|
NPCM_FUSE_SA = 1,
|
|
NPCM_NUM_OF_SA = 2
|
|
};
|
|
#endif
|
|
|
|
struct npcm_otp_regs {
|
|
unsigned int fst;
|
|
unsigned int faddr;
|
|
unsigned int fdata;
|
|
unsigned int fcfg;
|
|
unsigned int fustrap_fkeyind;
|
|
unsigned int fctl;
|
|
};
|
|
|
|
#define FST_RDY BIT(0)
|
|
#define FST_RDST BIT(1)
|
|
#define FST_RIEN BIT(2)
|
|
|
|
#ifdef CONFIG_ARCH_NPCM8XX
|
|
#define FADDR_BYTEADDR(addr) ((addr) << 3)
|
|
#define FADDR_BITPOS(pos) ((pos) << 0)
|
|
#define FADDR_VAL(addr, pos) (FADDR_BITPOS(pos) | FADDR_BYTEADDR(addr))
|
|
#define FADDR_IN_PROG BIT(16)
|
|
#else
|
|
#define FADDR_BYTEADDR(addr) ((addr) << 0)
|
|
#define FADDR_BITPOS(pos) ((pos) << 10)
|
|
#define FADDR_VAL(addr, pos) (FADDR_BYTEADDR(addr) | FADDR_BITPOS(pos))
|
|
#define FADDR_IN_PROG BIT(16)
|
|
#endif
|
|
|
|
#define FDATA_MASK (0xff)
|
|
|
|
#define FUSTRAP_O_SECBOOT BIT(23)
|
|
|
|
#define FCFG_FDIS BIT(31)
|
|
|
|
#define FKEYIND_KVAL BIT(0)
|
|
#define FKEYIND_KSIZE_MASK (0x00000070)
|
|
#define FKEYIND_KSIZE_128 (0x40)
|
|
#define FKEYIND_KSIZE_192 (0x50)
|
|
#define FKEYIND_KSIZE_256 (0x60)
|
|
#define FKEYIND_KIND_MASK (0x000c0000)
|
|
#define FKEYIND_KIND_KEY(indx) ((indx) << 18)
|
|
|
|
// Program cycle initiation values (sequence of two adjacent writes)
|
|
#define PROGRAM_ARM 0x1
|
|
#define PROGRAM_INIT 0xBF79E5D0
|
|
|
|
#define OTP2_BASE 0xF018A000
|
|
#define FUSTRAP (OTP2_BASE + 0x10)
|
|
|
|
// Read cycle initiation value
|
|
#define READ_INIT 0x02
|
|
|
|
// Value to clean FDATA contents
|
|
#define FDATA_CLEAN_VALUE 0x01
|
|
|
|
#ifdef CONFIG_ARCH_NPCM8XX
|
|
#define NPCM_OTP_ARR_BYTE_SIZE 8192
|
|
#else
|
|
#define NPCM_OTP_ARR_BYTE_SIZE 1024
|
|
#endif
|
|
|
|
#define MIN_PROGRAM_PULSES 4
|
|
#define MAX_PROGRAM_PULSES 20
|
|
#define NPCM_OTP_ARR_BYTE_SIZE 1024
|
|
|
|
int fuse_prog_image(u32 bank, uintptr_t address);
|
|
int fuse_program_data(u32 bank, u32 word, u8 *data, u32 size);
|
|
int npcm_otp_select_key(u8 key_index);
|
|
bool npcm_otp_is_fuse_array_disabled(u32 arr);
|
|
void npcm_otp_nibble_parity_ecc_encode(u8 *datain, u8 *dataout, u32 size);
|
|
void npcm_otp_majority_rule_ecc_encode(u8 *datain, u8 *dataout, u32 size);
|
|
void npcm_arch_preboot_os(void);
|
|
|
|
#endif
|