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Data Structures | |
| struct | arm_nand_data |
| The arm_nand_data struct is used for defining NAND I/O operations on an ARM core. More... | |
Enumerations | |
| enum | arm_nand_op { ARM_NAND_NONE , ARM_NAND_READ , ARM_NAND_WRITE } |
| Available operational states the arm_nand_data struct can be in. More... | |
Functions | |
| int | arm_nandread (struct arm_nand_data *nand, uint8_t *data, uint32_t size) |
| Uses an on-chip algorithm for an ARM device to read from a NAND device and store the data into the host machine's memory. More... | |
| int | arm_nandwrite (struct arm_nand_data *nand, uint8_t *data, int size) |
| ARM-specific bulk write from buffer to address of 8-bit wide NAND. More... | |
Enumeration Type Documentation
◆ arm_nand_op
| enum arm_nand_op |
Available operational states the arm_nand_data struct can be in.
| Enumerator | |
|---|---|
| ARM_NAND_NONE | No operation performed. |
| ARM_NAND_READ | Read operation performed. |
| ARM_NAND_WRITE | Write operation performed. |
Function Documentation
◆ arm_nandread()
| int arm_nandread | ( | struct arm_nand_data * | nand, |
| uint8_t * | data, | ||
| uint32_t | size | ||
| ) |
Uses an on-chip algorithm for an ARM device to read from a NAND device and store the data into the host machine's memory.
- Parameters
-
nand Pointer to the arm_nand_data struct that defines the I/O data Pointer to the data buffer to store the read data size Amount of data to be stored to the buffer.
- Returns
- Success or failure of the operation
Definition at line 190 of file arm_io.c.
References working_area::address, arm::arch, target::arch_info, ARM_ARCH_V4, arm_code_to_working_area(), ARM_COMMON_MAGIC, ARM_MODE_SVC, ARM_MODE_THREAD, ARM_NAND_READ, ARM_STATE_ARM, ARMV7M_COMMON_MAGIC, buf_set_u32(), arm_nand_data::chunk_size, arm_algorithm::common_magic, armv7m_algorithm::common_magic, arm_nand_data::copy_area, arm_algorithm::core_mode, armv7m_algorithm::core_mode, arm_algorithm::core_state, arm_nand_data::data, destroy_reg_param(), ERROR_OK, init_reg_param(), is_armv7m(), LOG_ERROR, NULL, arm_nand_data::op, PARAM_IN, size, arm_nand_data::target, target_read_buffer(), target_run_algorithm(), target_to_armv7m(), and reg_param::value.
Referenced by at91sam9_read_block_data(), and nuc910_nand_read_block_data().
◆ arm_nandwrite()
| int arm_nandwrite | ( | struct arm_nand_data * | nand, |
| uint8_t * | data, | ||
| int | size | ||
| ) |
ARM-specific bulk write from buffer to address of 8-bit wide NAND.
For now this supports ARMv4,ARMv5 and ARMv7-M cores.
Enhancements to target_run_algorithm() could enable:
- ARMv6 and ARMv7 cores in ARM mode
Different code fragments could handle:
- 16-bit wide data (needs different setup)
- Parameters
-
nand Pointer to the arm_nand_data struct that defines the I/O data Pointer to the data to be copied to flash size Size of the data being copied
- Returns
- Success or failure of the operation
Definition at line 80 of file arm_io.c.
References working_area::address, arm::arch, target::arch_info, ARM_ARCH_V4, arm_code_to_working_area(), ARM_COMMON_MAGIC, ARM_MODE_SVC, ARM_MODE_THREAD, ARM_NAND_WRITE, ARM_STATE_ARM, ARMV7M_COMMON_MAGIC, buf_set_u32(), arm_nand_data::chunk_size, arm_algorithm::common_magic, armv7m_algorithm::common_magic, arm_nand_data::copy_area, arm_algorithm::core_mode, armv7m_algorithm::core_mode, arm_algorithm::core_state, arm_nand_data::data, destroy_reg_param(), ERROR_OK, init_reg_param(), is_armv7m(), LOG_ERROR, NULL, arm_nand_data::op, PARAM_IN, size, arm_nand_data::target, target_run_algorithm(), target_to_armv7m(), target_write_buffer(), and reg_param::value.
Referenced by at91sam9_write_block_data(), davinci_write_block_data(), nuc910_nand_write_block_data(), and orion_nand_fast_block_write().
