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Data Structures | Macros | Functions | Variables
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, unsigned 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

static const struct flash_device rp2040_default_spi_device
 
const 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 511 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,
unsigned int  timeout_ms 
)
static

Definition at line 93 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 152 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 492 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 278 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 502 of file rp2040.c.

References bank, and NULL.

◆ rp2040_flash_probe()

static int rp2040_flash_probe ( struct flash_bank *  bank)
static

Definition at line 379 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_DEBUG, LOG_ERROR, LOG_INFO, flash_device::name, NULL, priv, rp2040_default_spi_device, 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 214 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 57 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 349 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 328 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 184 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_default_spi_device

const struct flash_device rp2040_default_spi_device
static
Initial value:
=
FLASH_ID("autodetect disabled", 0x03, 0x00, 0x02, 0xd8, 0xc7, 0, 0x100, 0x10000, 0)
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 rp2040.c.

Referenced by rp2040_flash_probe().

◆ rp2040_flash

const 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
}
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
rp2040_flash_auto_probe
static int rp2040_flash_auto_probe(struct flash_bank *bank)
Definition: rp2040.c:492
rp2040_flash_probe
static int rp2040_flash_probe(struct flash_bank *bank)
Definition: rp2040.c:379
rp2040_flash_erase
static int rp2040_flash_erase(struct flash_bank *bank, unsigned int first, unsigned int last)
Definition: rp2040.c:278
rp2040_flash_write
static int rp2040_flash_write(struct flash_bank *bank, const uint8_t *buffer, uint32_t offset, uint32_t count)
Definition: rp2040.c:214
rp2040_flash_free_driver_priv
static void rp2040_flash_free_driver_priv(struct flash_bank *bank)
Definition: rp2040.c:502

Definition at line 511 of file rp2040.c.