diff options
| -rw-r--r-- | flash.h | 1 | ||||
| -rw-r--r-- | spi.c | 21 |
2 files changed, 22 insertions, 0 deletions
@@ -757,6 +757,7 @@ int spi_chip_read(struct flashchip *flash, uint8_t *buf); uint8_t spi_read_status_register(void); int spi_disable_blockprotect(void); void spi_byte_program(int address, uint8_t byte); +int spi_nbyte_program(int address, uint8_t *bytes, int len); int spi_nbyte_read(int address, uint8_t *bytes, int len); int spi_aai_write(struct flashchip *flash, uint8_t *buf); uint32_t spi_get_valid_read_addr(void); @@ -616,6 +616,27 @@ void spi_byte_program(int address, uint8_t byte) spi_command(sizeof(cmd), 0, cmd, NULL); } +int spi_nbyte_program(int address, uint8_t *bytes, int len) +{ + unsigned char cmd[JEDEC_BYTE_PROGRAM_OUTSIZE - 1 + 256] = { + JEDEC_BYTE_PROGRAM, + (address >> 16) & 0xff, + (address >> 8) & 0xff, + (address >> 0) & 0xff, + }; + + if (len > 256) { + printf_debug ("%s called for too long a write\n", + __FUNCTION__); + return 1; + } + + memcpy(&cmd[4], bytes, len); + + /* Send Byte-Program */ + return spi_command(4 + len, 0, cmd, NULL); +} + int spi_disable_blockprotect(void) { uint8_t status; |