diff options
Diffstat (limited to 'serprog.c')
| -rw-r--r-- | serprog.c | 47 |
1 files changed, 25 insertions, 22 deletions
@@ -453,6 +453,8 @@ static void *serprog_map(const char *descr, uintptr_t phys_addr, size_t len) return NULL; } +static void serprog_delay(const struct flashctx *flash, unsigned int usecs); + static struct spi_master spi_master_serprog = { .map_flash_region = serprog_map, .features = SPI_MASTER_4BA, @@ -464,6 +466,7 @@ static struct spi_master spi_master_serprog = { .write_256 = default_spi_write_256, .write_aai = default_spi_write_aai, .probe_opcode = default_spi_probe_opcode, + .delay = serprog_delay, }; static int sp_check_opbuf_usage(int bytes_to_be_added) @@ -568,6 +571,27 @@ static void serprog_chip_readn(const struct flashctx *flash, uint8_t * buf, sp_do_read_n(&(buf[addrm-addr]), addrm, lenm); // FIXME: return error } +static void serprog_delay(const struct flashctx *flash, unsigned int usecs) +{ + unsigned char buf[4]; + msg_pspew("%s usecs=%d\n", __func__, usecs); + if (!sp_check_commandavail(S_CMD_O_DELAY)) { + msg_pdbg2("serprog_delay used, but programmer doesn't support delays natively - emulating\n"); + internal_delay(usecs); + return; + } + if ((sp_max_write_n) && (sp_write_n_bytes)) + sp_pass_writen(); + sp_check_opbuf_usage(5); + buf[0] = ((usecs >> 0) & 0xFF); + buf[1] = ((usecs >> 8) & 0xFF); + buf[2] = ((usecs >> 16) & 0xFF); + buf[3] = ((usecs >> 24) & 0xFF); + sp_stream_buffer_op(S_CMD_O_DELAY, 4, buf); + sp_opbuf_usage += 5; + sp_prev_was_write = 0; +} + static const struct par_master par_master_serprog = { .map_flash_region = serprog_map, .chip_readb = serprog_chip_readb, @@ -578,6 +602,7 @@ static const struct par_master par_master_serprog = { .chip_writew = fallback_chip_writew, .chip_writel = fallback_chip_writel, .chip_writen = fallback_chip_writen, + .delay = serprog_delay, }; static enum chipbustype serprog_buses_supported = BUS_NONE; @@ -941,32 +966,10 @@ init_err_cleanup_exit: return 1; } -static void serprog_delay(unsigned int usecs) -{ - unsigned char buf[4]; - msg_pspew("%s usecs=%d\n", __func__, usecs); - if (!sp_check_commandavail(S_CMD_O_DELAY)) { - msg_pdbg2("serprog_delay used, but programmer doesn't support delays natively - emulating\n"); - internal_delay(usecs); - return; - } - if ((sp_max_write_n) && (sp_write_n_bytes)) - sp_pass_writen(); - sp_check_opbuf_usage(5); - buf[0] = ((usecs >> 0) & 0xFF); - buf[1] = ((usecs >> 8) & 0xFF); - buf[2] = ((usecs >> 16) & 0xFF); - buf[3] = ((usecs >> 24) & 0xFF); - sp_stream_buffer_op(S_CMD_O_DELAY, 4, buf); - sp_opbuf_usage += 5; - sp_prev_was_write = 0; -} - const struct programmer_entry programmer_serprog = { .name = "serprog", .type = OTHER, /* FIXME */ .devs.note = "All programmer devices speaking the serprog protocol\n", .init = serprog_init, - .delay = serprog_delay, }; |