43 static void spi_flash_addr(uint32_t addr, uint8_t *cmd)  in spi_flash_addr()  argument
49 	cmd[1] = addr >> 16;  in spi_flash_addr()
50 	cmd[2] = addr >> 8;  in spi_flash_addr()
51 	cmd[3] = addr >> 0;  in spi_flash_addr()
86 	uint8_t cmd;  in spi_flash_cmd_wait()  local
93 		cmd = CMD_RDSR;  in spi_flash_cmd_wait()
94 		ret = spi_flash_cmd_read(&cmd, 1, &status, 1);  in spi_flash_cmd_wait()
114 static int spi_flash_write_common(struct spi_flash *flash, const uint8_t *cmd,  in spi_flash_write_common()  argument
126 	ret = spi_flash_cmd_write(cmd, cmd_len, buf, buf_len);  in spi_flash_write_common()
141 static int spi_flash_read_common(const uint8_t *cmd, size_t cmd_len,  in spi_flash_read_common()  argument
146 	ret = spi_flash_cmd_read(cmd, cmd_len, data, data_len);  in spi_flash_read_common()
159 	uint8_t cmd[SPI_FLASH_CMD_LEN];  in spi_flash_read()  local
168 	cmd[0] = CMD_READ_NORMAL;  in spi_flash_read()
172 		spi_flash_addr(read_addr, cmd);  in spi_flash_read()
174 		ret = spi_flash_read_common(cmd, sizeof(cmd), data, read_len);  in spi_flash_read()
194 	uint8_t cmd[SPI_FLASH_CMD_LEN];  in spi_flash_write()  local
207 	cmd[0] = flash->write_cmd;  in spi_flash_write()
213 		spi_flash_addr(write_addr, cmd);  in spi_flash_write()
216 			  buf + actual, cmd[0], cmd[1],  in spi_flash_write()
217 			  cmd[2], cmd[3], chunk_len);  in spi_flash_write()
219 		ret = spi_flash_write_common(flash, cmd, sizeof(cmd),  in spi_flash_write()
236 	uint8_t cmd[SPI_FLASH_CMD_LEN];  in spi_flash_erase()  local
253 	cmd[0] = flash->erase_cmd;  in spi_flash_erase()
256 		spi_flash_addr(erase_addr, cmd);  in spi_flash_erase()
258 		SPI_DEBUG("SF: erase %2x %2x %2x %2x (%x)\n", cmd[0], cmd[1],  in spi_flash_erase()
259 			cmd[2], cmd[3], erase_addr);  in spi_flash_erase()
261 		ret = spi_flash_write_common(flash, cmd, sizeof(cmd), NULL, 0);  in spi_flash_erase()