asmi_spi.h

此文档为采用FPGA实现的以太网MAC层

#define na_spi_bulk_size   (0x400000)
#define na_spi_sector_size (0x10000)
#define na_spi_page_size   (0x100)


//#define usercode_size (na_sram_size - 0x20000)
#define usercode_size (na_sram_size)
#define usercode_base (na_sram)
#define flash_base (0x00)

void nr_spi_init();
void nr_spi_wait_tx_complete ();
void nr_spi_set_cs ();
void nr_spi_clear_cs ();
unsigned char nr_spi_read_status ();
int nr_spi_wait_write_complete ();
int nr_spi_is_device_present ();
unsigned long nr_spi_lowest_protected_address();
int nr_spi_write_status (unsigned char value);
int nr_spi_protect_region (int bpcode);
int nr_spi_read_byte (unsigned long address, unsigned char *data);
int nr_spi_write_byte (unsigned long address, unsigned char data);
int nr_spi_erase_sector (unsigned long address);
int nr_spi_erase_bulk ();
int nr_spi_read_buffer (unsigned long address, int length, unsigned char *data);
int nr_spi_write_page (unsigned long address, int length, unsigned char *data);
int nr_spi_write_buffer (unsigned long address, int length, unsigned char *data);
int nr_spi_address_past_config (unsigned long *addr);