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Data Structures | Macros | Functions | Variables
eneispif.c File Reference
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Data Structures

struct  eneispif_flash_bank
 

Macros

#define CFG_READ   0x372
 
#define CFG_WRITE   0x371
 
#define ISPI_CTRL_BASE   0x50101000
 
#define ISPIADDR   0x0008
 
#define ISPICFG   0x0000
 
#define ISPICMD   0x000C
 
#define ISPIDAT   0x0100
 
#define ISPISTS   0x0004
 
#define ISPISTS_BUSY   BIT(0)
 
#define STATUS1_QE   BIT(1)
 

Functions

static int eneispi_erase_sector (struct flash_bank *bank, int sector)
 
static int eneispif_auto_probe (struct flash_bank *bank)
 
static int eneispif_erase (struct flash_bank *bank, unsigned int first, unsigned int last)
 
static int eneispif_probe (struct flash_bank *bank)
 
static int eneispif_protect (struct flash_bank *bank, int set, unsigned int first, unsigned int last)
 
static int eneispif_protect_check (struct flash_bank *bank)
 
static int eneispif_read_flash_id (struct flash_bank *bank, uint32_t *id)
 
static int eneispif_read_reg (struct flash_bank *bank, uint32_t *value, target_addr_t address)
 
static int eneispif_wait (struct flash_bank *bank)
 
static int eneispif_write (struct flash_bank *bank, const uint8_t *buffer, uint32_t offset, uint32_t count)
 
static int eneispif_write_reg (struct flash_bank *bank, target_addr_t address, uint32_t value)
 
 FLASH_BANK_COMMAND_HANDLER (eneispif_flash_bank_command)
 
static int get_eneispif_info (struct flash_bank *bank, struct command_invocation *cmd)
 

Variables

struct flash_device ene_flash_device
 
const struct flash_driver eneispif_flash
 

Macro Definition Documentation

◆ CFG_READ

#define CFG_READ   0x372

Definition at line 28 of file eneispif.c.

◆ CFG_WRITE

#define CFG_WRITE   0x371

Definition at line 29 of file eneispif.c.

◆ ISPI_CTRL_BASE

#define ISPI_CTRL_BASE   0x50101000

Definition at line 31 of file eneispif.c.

◆ ISPIADDR

#define ISPIADDR   0x0008

Definition at line 21 of file eneispif.c.

◆ ISPICFG

#define ISPICFG   0x0000

Definition at line 19 of file eneispif.c.

◆ ISPICMD

#define ISPICMD   0x000C

Definition at line 22 of file eneispif.c.

◆ ISPIDAT

#define ISPIDAT   0x0100

Definition at line 23 of file eneispif.c.

◆ ISPISTS

#define ISPISTS   0x0004

Definition at line 20 of file eneispif.c.

◆ ISPISTS_BUSY

#define ISPISTS_BUSY   BIT(0)

Definition at line 25 of file eneispif.c.

◆ STATUS1_QE

#define STATUS1_QE   BIT(1)

Definition at line 26 of file eneispif.c.

Function Documentation

◆ eneispi_erase_sector()

static int eneispi_erase_sector ( struct flash_bank *  bank,
int  sector 
)
static

Definition at line 129 of file eneispif.c.

References bank, CFG_WRITE, eneispif_flash_bank::dev, eneispif_read_reg(), eneispif_wait(), eneispif_write_reg(), flash_device::erase_cmd, ERROR_OK, ISPIADDR, ISPICFG, ISPICMD, offset, and SPIFLASH_WRITE_ENABLE.

Referenced by eneispif_erase().

◆ eneispif_auto_probe()

static int eneispif_auto_probe ( struct flash_bank *  bank)
static

Definition at line 388 of file eneispif.c.

References bank, eneispif_probe(), ERROR_OK, and eneispif_flash_bank::probed.

◆ eneispif_erase()

static int eneispif_erase ( struct flash_bank *  bank,
unsigned int  first,
unsigned int  last 
)
static

Definition at line 160 of file eneispif.c.

References bank, eneispif_flash_bank::dev, eneispi_erase_sector(), flash_device::erase_cmd, ERROR_FAIL, ERROR_FLASH_BANK_NOT_PROBED, ERROR_FLASH_OPER_UNSUPPORTED, ERROR_FLASH_SECTOR_INVALID, ERROR_OK, ERROR_TARGET_NOT_HALTED, LOG_DEBUG, LOG_ERROR, eneispif_flash_bank::probed, target::state, and TARGET_HALTED.

◆ eneispif_probe()

static int eneispif_probe ( struct flash_bank *  bank)
static

Definition at line 329 of file eneispif.c.

References bank, CFG_READ, eneispif_flash_bank::ctrl_base, eneispif_flash_bank::dev, eneispif_flash_bank::dev_id, ene_flash_device, eneispif_read_flash_id(), eneispif_write_reg(), ERROR_FAIL, ERROR_OK, id, flash_sector::is_erased, flash_sector::is_protected, ISPICFG, LOG_ERROR, LOG_INFO, LOG_WARNING, flash_device::name, flash_sector::offset, eneispif_flash_bank::probed, flash_device::sectorsize, flash_sector::size, flash_device::size_in_bytes, and TARGET_ADDR_FMT.

Referenced by eneispif_auto_probe().

◆ eneispif_protect()

static int eneispif_protect ( struct flash_bank *  bank,
int  set,
unsigned int  first,
unsigned int  last 
)
static

Definition at line 202 of file eneispif.c.

References bank, and ERROR_OK.

◆ eneispif_protect_check()

static int eneispif_protect_check ( struct flash_bank *  bank)
static

Definition at line 396 of file eneispif.c.

References ERROR_OK.

◆ eneispif_read_flash_id()

static int eneispif_read_flash_id ( struct flash_bank *  bank,
uint32_t *  id 
)
static

Definition at line 288 of file eneispif.c.

References bank, buffer, CFG_WRITE, eneispif_flash_bank::ctrl_base, eneispif_read_reg(), eneispif_wait(), eneispif_write_reg(), ERROR_OK, ERROR_TARGET_NOT_HALTED, ISPICFG, ISPICMD, ISPIDAT, LOG_DEBUG, LOG_ERROR, SPIFLASH_READ_ID, target::state, TARGET_HALTED, and target_read_buffer().

Referenced by eneispif_probe().

◆ eneispif_read_reg()

static int eneispif_read_reg ( struct flash_bank *  bank,
uint32_t *  value,
target_addr_t  address 
)
static

Definition at line 74 of file eneispif.c.

References bank, eneispif_flash_bank::ctrl_base, ERROR_OK, LOG_DEBUG, LOG_ERROR, TARGET_ADDR_FMT, and target_read_u32().

Referenced by eneispi_erase_sector(), eneispif_read_flash_id(), eneispif_wait(), and eneispif_write().

◆ eneispif_wait()

static int eneispif_wait ( struct flash_bank *  bank)
static

Definition at line 106 of file eneispif.c.

References bank, eneispif_read_reg(), ERROR_FAIL, ERROR_OK, ERROR_TARGET_TIMEOUT, ISPISTS, ISPISTS_BUSY, LOG_ERROR, start, status, and timeval_ms().

Referenced by eneispi_erase_sector(), eneispif_read_flash_id(), and eneispif_write().

◆ eneispif_write()

static int eneispif_write ( struct flash_bank *  bank,
const uint8_t *  buffer,
uint32_t  offset,
uint32_t  count 
)
static

Definition at line 210 of file eneispif.c.

References bank, buffer, CFG_WRITE, count, eneispif_flash_bank::ctrl_base, eneispif_flash_bank::dev, eneispif_read_reg(), eneispif_wait(), eneispif_write_reg(), ERROR_FAIL, ERROR_OK, ERROR_TARGET_NOT_HALTED, ISPIADDR, ISPICFG, ISPICMD, ISPIDAT, LOG_DEBUG, LOG_ERROR, LOG_WARNING, offset, flash_device::pagesize, flash_device::pprog_cmd, flash_device::size_in_bytes, SPIFLASH_DEF_PAGESIZE, SPIFLASH_WRITE_ENABLE, target::state, TARGET_HALTED, and target_write_buffer().

◆ eneispif_write_reg()

static int eneispif_write_reg ( struct flash_bank *  bank,
target_addr_t  address,
uint32_t  value 
)
static

Definition at line 90 of file eneispif.c.

References bank, eneispif_flash_bank::ctrl_base, ERROR_OK, LOG_DEBUG, LOG_ERROR, TARGET_ADDR_FMT, and target_write_u32().

Referenced by eneispi_erase_sector(), eneispif_probe(), eneispif_read_flash_id(), and eneispif_write().

◆ FLASH_BANK_COMMAND_HANDLER()

FLASH_BANK_COMMAND_HANDLER ( eneispif_flash_bank_command  )

Definition at line 47 of file eneispif.c.

References bank, CMD_ARGC, CMD_ARGV, COMMAND_PARSE_ADDRESS, eneispif_flash_bank::ctrl_base, ERROR_COMMAND_SYNTAX_ERROR, ERROR_FAIL, ERROR_OK, ISPI_CTRL_BASE, LOG_DEBUG, LOG_ERROR, LOG_INFO, eneispif_flash_bank::probed, and TARGET_ADDR_FMT.

◆ get_eneispif_info()

static int get_eneispif_info ( struct flash_bank *  bank,
struct command_invocation *  cmd 
)
static

Definition at line 402 of file eneispif.c.

Variable Documentation

◆ ene_flash_device

struct flash_device ene_flash_device
Initial value:
=
FLASH_ID("ISPI flash", 0x03, 0x00, 0x02, 0x20, 0x60, 0x00132085, 0x100, 0x1000, 0x80000)
FLASH_ID
#define FLASH_ID(n, re, qr, pp, es, ces, id, psize, ssize, size)
Definition: spi.h:33

Definition at line 1 of file eneispif.c.

Referenced by eneispif_probe().

◆ eneispif_flash

const struct flash_driver eneispif_flash
Initial value:
= {
.name = "eneispif",
.usage = "flash bank <name> 'eneispif' <base_address> <size> 0 0 <target> <ctrl_base>",
.flash_bank_command = eneispif_flash_bank_command,
.erase = eneispif_erase,
.protect = eneispif_protect,
.write = eneispif_write,
.read = default_flash_read,
.probe = eneispif_probe,
.auto_probe = eneispif_auto_probe,
.erase_check = default_flash_blank_check,
.protect_check = eneispif_protect_check,
.info = get_eneispif_info,
.free_driver_priv = default_flash_free_driver_priv,
}
eneispif_write
static int eneispif_write(struct flash_bank *bank, const uint8_t *buffer, uint32_t offset, uint32_t count)
Definition: eneispif.c:210
eneispif_probe
static int eneispif_probe(struct flash_bank *bank)
Definition: eneispif.c:329
eneispif_erase
static int eneispif_erase(struct flash_bank *bank, unsigned int first, unsigned int last)
Definition: eneispif.c:160
eneispif_protect
static int eneispif_protect(struct flash_bank *bank, int set, unsigned int first, unsigned int last)
Definition: eneispif.c:202
get_eneispif_info
static int get_eneispif_info(struct flash_bank *bank, struct command_invocation *cmd)
Definition: eneispif.c:402
eneispif_protect_check
static int eneispif_protect_check(struct flash_bank *bank)
Definition: eneispif.c:396
eneispif_auto_probe
static int eneispif_auto_probe(struct flash_bank *bank)
Definition: eneispif.c:388
default_flash_blank_check
int default_flash_blank_check(struct flash_bank *bank)
Provides default erased-bank check handling.
Definition: flash/nor/core.c:380
default_flash_read
int default_flash_read(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
Provides default read implementation for flash memory.
Definition: flash/nor/core.c:121
default_flash_free_driver_priv
void default_flash_free_driver_priv(struct flash_bank *bank)
Deallocates bank->driver_priv.
Definition: flash/nor/core.c:210

Definition at line 402 of file eneispif.c.