mts-fpga-loader

1 files changed, 68 insertions, 0 deletions

diff --git a/src/mts_fpga_spi.h b/src/mts_fpga_spi.h
new file mode 100644
index 0000000..bf1a54a
--- /dev/null
+++ b/src/mts_fpga_spi.h
@@ -0,0 +1,68 @@
+/* -------------------------------------------------------------------------- */
+/* --- DEPENDANCIES --------------------------------------------------------- */
+
+#include <stdint.h> /* C99 types*/
+#include <fcntl.h> /* open */
+#include <linux/spi/spidev.h>
+#include <stdio.h>  /* printf fprintf */
+#include <stdlib.h> /* malloc free */
+#include <string.h> /* memset */
+#include <sys/ioctl.h>
+#include <unistd.h> /* lseek, close */
+/* -------------------------------------------------------------------------- */
+/* --- PUBLIC CONSTANTS ----------------------------------------------------- */
+
+#define MTAC_BURST_CHUNK 1024
+
+#define MTAC_SPI_MUX_MODE0 0x0 /* No FPGA */
+#define MTAC_SPI_MUX_MODE1 0x1 /* FPGA, with spi mux header */
+
+#define MTAC_SX1301 0x0
+#define MTAC_FPGA 	0x1
+#define MTAC_EEPROM 0x2
+#define MTAC_SX127X 0x3
+
+/* -------------------------------------------------------------------------- */
+/* --- Flash opcodes ---------------------------------------------------------*/
+#define WR_STATUS_REG 0x01   /* Write Status Register */
+#define PAGE_PROGRAM 0x02    /* Write up to a Page of the Memory */
+#define READ_DATA 0x03       /* Read from the Memory */
+#define WRITE_DISABLE 0x04   /* Disable Writing to the Memory */
+#define RD_STATUS_REG_1 0x05 /* Read Status Register-1 */
+#define WRITE_ENABLE 0x06    /* Enable Writing to the Memory */
+#define FAST_READ_DATA 0x0B  /* Fast Read from the Memory */
+#define SECTOR_ERASE 0x20    /* Erase a Sector (4kb) */
+#define RD_STATUS_REG_2 0x35 /* Read Status Register-2 */
+#define UNIQUE_ID 0x4B       /* Read Unique ID */
+#define WE_STATUS_REG 0x50   /* Write Enable for Status Registers */
+#define BLOCK_ERASE_32 0x52  /* Erase a Block (32kb) */
+#define CHIP_ERASE 0x60      /* Erase Entire Chip */
+#define MNFTR_DEV_ID 0x90    /* Read Manufacturer ID followed by Device ID */
+#define JEDEC_ID 0x9F        /* Read JEDEC ID */
+#define CHIP_RELEASE 0xAB    /* Release chip from power down */
+#define BLOCK_ERASE_64 0xD8  /* Erase a Block (64kb) */
+/* -------------------------------------------------------------------------- */
+/* --- PUBLIC FUNCTIONS PROTOTYPES ------------------------------------------ */
+
+int mtac_spi_open(char *spidev, void **spi_target_ptr);
+
+int mtac_spi_close(void *spi_target);
+
+int mtac_spi_w(void *spi_target, uint8_t spi_mux_mode, uint8_t spi_mux_target,
+               uint8_t address, uint8_t data);
+
+int mtac_spi_r(void *spi_target, uint8_t spi_mux_mode, uint8_t spi_mux_target,
+               uint8_t address, uint8_t *data);
+
+int chip_erase(char *spidev, void *spi_target);
+
+int mtac_release(char *spidev, void *spi_target);
+
+int page_program(char *spidev, void *spi_target, uint8_t adr_lower, uint8_t adr_higher,
+                 int data[256]);
+
+int write_enable(char *spidev, void *spi_target);
+
+int mtac_id(char *spidev, void *spi_target);
+
+/* --- EOF ------------------------------------------------------------------ */