rp2040.c File Reference

Include dependency graph for rp2040.c:

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Data Structures
struct	rp2040_flash_bank

Macros
#define	BOOTROM_MAGIC   0x01754d
#define	BOOTROM_MAGIC_ADDR   0x00000010
#define	FUNC_CONNECT_INTERNAL_FLASH   MAKE_TAG('I', 'F')
#define	FUNC_DEBUG_TRAMPOLINE   MAKE_TAG('D', 'T')
#define	FUNC_DEBUG_TRAMPOLINE_END   MAKE_TAG('D', 'E')
#define	FUNC_FLASH_ENTER_CMD_XIP   MAKE_TAG('C', 'X')
#define	FUNC_FLASH_EXIT_XIP   MAKE_TAG('E', 'X')
#define	FUNC_FLASH_FLUSH_CACHE   MAKE_TAG('F', 'C')
#define	FUNC_FLASH_RANGE_ERASE   MAKE_TAG('R', 'E')
#define	FUNC_FLASH_RANGE_PROGRAM   MAKE_TAG('R', 'P')
#define	MAKE_TAG(a, b)   (((b)<<8) | a)

Functions
	FLASH_BANK_COMMAND_HANDLER (rp2040_flash_bank_command)
static int	rp2040_call_rom_func (struct target *target, struct rp2040_flash_bank *priv, uint16_t func_offset, uint32_t argdata[], unsigned int n_args, int timeout_ms)
static int	rp2040_finalize_stack_free (struct flash_bank *bank)
static int	rp2040_flash_auto_probe (struct flash_bank *bank)
static int	rp2040_flash_erase (struct flash_bank *bank, unsigned int first, unsigned int last)
static void	rp2040_flash_free_driver_priv (struct flash_bank *bank)
static int	rp2040_flash_probe (struct flash_bank *bank)
static int	rp2040_flash_write (struct flash_bank *bank, const uint8_t *buffer, uint32_t offset, uint32_t count)
static uint32_t	rp2040_lookup_symbol (struct target *target, uint32_t tag, uint16_t *symbol)
static int	rp2040_spi_read_flash_id (struct target *target, uint32_t *devid)
static int	rp2040_ssel_active (struct target *target, bool active)
static int	rp2040_stack_grab_and_prep (struct flash_bank *bank)

Variables
struct flash_driver	rp2040_flash

Macro Definition Documentation

BOOTROM_MAGIC

#define BOOTROM_MAGIC   0x01754d

Definition at line 17 of file rp2040.c.

BOOTROM_MAGIC_ADDR

#define BOOTROM_MAGIC_ADDR   0x00000010

Definition at line 18 of file rp2040.c.

FUNC_CONNECT_INTERNAL_FLASH

#define FUNC_CONNECT_INTERNAL_FLASH   MAKE_TAG('I', 'F')

Definition at line 29 of file rp2040.c.

FUNC_DEBUG_TRAMPOLINE

#define FUNC_DEBUG_TRAMPOLINE   MAKE_TAG('D', 'T')

Definition at line 26 of file rp2040.c.

FUNC_DEBUG_TRAMPOLINE_END

#define FUNC_DEBUG_TRAMPOLINE_END   MAKE_TAG('D', 'E')

Definition at line 27 of file rp2040.c.

FUNC_FLASH_ENTER_CMD_XIP

#define FUNC_FLASH_ENTER_CMD_XIP   MAKE_TAG('C', 'X')

Definition at line 33 of file rp2040.c.

FUNC_FLASH_EXIT_XIP

#define FUNC_FLASH_EXIT_XIP   MAKE_TAG('E', 'X')

Definition at line 28 of file rp2040.c.

FUNC_FLASH_FLUSH_CACHE

#define FUNC_FLASH_FLUSH_CACHE   MAKE_TAG('F', 'C')

Definition at line 32 of file rp2040.c.

FUNC_FLASH_RANGE_ERASE

#define FUNC_FLASH_RANGE_ERASE   MAKE_TAG('R', 'E')

Definition at line 30 of file rp2040.c.

FUNC_FLASH_RANGE_PROGRAM

#define FUNC_FLASH_RANGE_PROGRAM   MAKE_TAG('R', 'P')

Definition at line 31 of file rp2040.c.

MAKE_TAG

#define MAKE_TAG	(		a,
			b
	)		(((b)<<8) | a)

Definition at line 25 of file rp2040.c.

Function Documentation

FLASH_BANK_COMMAND_HANDLER()

FLASH_BANK_COMMAND_HANDLER

(

rp2040_flash_bank_command

)

Definition at line 500 of file rp2040.c.

References bank, ERROR_OK, and priv.

rp2040_call_rom_func()

static int rp2040_call_rom_func ( struct target *  target, struct rp2040_flash_bank *  priv, uint16_t  func_offset, uint32_t  argdata[], unsigned int  n_args, int  timeout_ms  )

static

Definition at line 89 of file rp2040.c.

References ARM_MODE_THREAD, ARMV7M_COMMON_MAGIC, ARRAY_SIZE, buf_get_u32(), buf_set_u32(), armv7m_algorithm::common_magic, armv7m_algorithm::core_mode, destroy_reg_param(), ERROR_OK, ERROR_TARGET_RESOURCE_NOT_AVAILABLE, init_reg_param(), LOG_DEBUG, LOG_ERROR, LOG_TARGET_DEBUG, NULL, PARAM_OUT, priv, and target_run_algorithm().

Referenced by rp2040_finalize_stack_free(), rp2040_flash_erase(), rp2040_flash_write(), and rp2040_stack_grab_and_prep().

rp2040_finalize_stack_free()

static int rp2040_finalize_stack_free ( struct flash_bank *  bank )

static

Definition at line 148 of file rp2040.c.

References bank, ERROR_OK, LOG_DEBUG, LOG_ERROR, NULL, priv, rp2040_call_rom_func(), and target_free_working_area().

Referenced by rp2040_flash_erase(), rp2040_flash_probe(), and rp2040_flash_write().

rp2040_flash_auto_probe()

static int rp2040_flash_auto_probe ( struct flash_bank *  bank )

static

Definition at line 481 of file rp2040.c.

References bank, ERROR_OK, priv, and rp2040_flash_probe().

rp2040_flash_erase()

static int rp2040_flash_erase ( struct flash_bank *  bank, unsigned int  first, unsigned int  last  )

static

Definition at line 274 of file rp2040.c.

References ARRAY_SIZE, bank, ERROR_OK, ERROR_TARGET_NOT_HALTED, length, LOG_DEBUG, LOG_ERROR, priv, rp2040_call_rom_func(), rp2040_finalize_stack_free(), rp2040_stack_grab_and_prep(), target::state, and TARGET_HALTED.

rp2040_flash_free_driver_priv()

static void rp2040_flash_free_driver_priv ( struct flash_bank *  bank )

static

Definition at line 491 of file rp2040.c.

References bank, and NULL.

rp2040_flash_probe()

static int rp2040_flash_probe ( struct flash_bank *  bank )

static

Definition at line 375 of file rp2040.c.

References alloc_block_array(), bank, ERROR_FAIL, ERROR_OK, ERROR_TARGET_NOT_HALTED, flash_devices, FUNC_CONNECT_INTERNAL_FLASH, FUNC_DEBUG_TRAMPOLINE, FUNC_DEBUG_TRAMPOLINE_END, FUNC_FLASH_ENTER_CMD_XIP, FUNC_FLASH_EXIT_XIP, FUNC_FLASH_FLUSH_CACHE, FUNC_FLASH_RANGE_ERASE, FUNC_FLASH_RANGE_PROGRAM, LOG_ERROR, LOG_INFO, flash_device::name, NULL, priv, rp2040_finalize_stack_free(), rp2040_lookup_symbol(), rp2040_spi_read_flash_id(), rp2040_stack_grab_and_prep(), target::state, TARGET_ADDR_FMT, and TARGET_HALTED.

Referenced by rp2040_flash_auto_probe().

rp2040_flash_write()

static int rp2040_flash_write ( struct flash_bank *  bank, const uint8_t *  buffer, uint32_t  offset, uint32_t  count  )

static

Definition at line 210 of file rp2040.c.

References working_area::address, ARRAY_SIZE, bank, buffer, count, ERROR_OK, ERROR_TARGET_NOT_HALTED, LOG_DEBUG, LOG_ERROR, MAX, MIN, NULL, offset, priv, rp2040_call_rom_func(), rp2040_finalize_stack_free(), rp2040_stack_grab_and_prep(), target::state, TARGET_ADDR_FMT, target_alloc_working_area(), target_free_working_area(), target_get_working_area_avail(), TARGET_HALTED, and target_write_buffer().

rp2040_lookup_symbol()

static uint32_t rp2040_lookup_symbol ( struct target *  target, uint32_t  tag, uint16_t *  symbol  )

static

Definition at line 53 of file rp2040.c.

References BOOTROM_MAGIC, BOOTROM_MAGIC_ADDR, ERROR_FAIL, ERROR_OK, LOG_ERROR, target_read_u16(), and target_read_u32().

Referenced by rp2040_flash_probe().

rp2040_spi_read_flash_id()

static int rp2040_spi_read_flash_id ( struct target *  target, uint32_t *  devid  )

static

Definition at line 345 of file rp2040.c.

References count, ERROR_OK, LOG_ERROR, rp2040_ssel_active(), SPIFLASH_READ_ID, status, target_read_u32(), and target_write_u32().

Referenced by rp2040_flash_probe().

rp2040_ssel_active()

static int rp2040_ssel_active ( struct target *  target, bool  active  )

static

Definition at line 324 of file rp2040.c.

References ERROR_OK, state, target_read_u32(), and target_write_u32().

Referenced by rp2040_spi_read_flash_id().

rp2040_stack_grab_and_prep()

static int rp2040_stack_grab_and_prep ( struct flash_bank *  bank )

static

Definition at line 180 of file rp2040.c.

References bank, ERROR_OK, ERROR_TARGET_RESOURCE_NOT_AVAILABLE, LOG_DEBUG, LOG_ERROR, NULL, priv, rp2040_call_rom_func(), and target_alloc_working_area().

Referenced by rp2040_flash_erase(), rp2040_flash_probe(), and rp2040_flash_write().

Variable Documentation

rp2040_flash

struct flash_driver rp2040_flash

Initial value:

= {
    .name = "rp2040_flash",
    .flash_bank_command = rp2040_flash_bank_command,
    .erase =  rp2040_flash_erase,
    .write = rp2040_flash_write,
    .read = default_flash_read,
    .probe = rp2040_flash_probe,
    .auto_probe = rp2040_flash_auto_probe,
    .erase_check = default_flash_blank_check,
    .free_driver_priv = rp2040_flash_free_driver_priv
}

Definition at line 500 of file rp2040.c.