Added MPSSE reset according to FTDI Application Notes AN114.
Signed-off-by: Boris Baykov <[email protected]> --- diff -U 5 -N ./flashrom/ft2232_spi.c ./flashrom.ftdi_mpsse_init/ft2232_spi.c --- ./flashrom/ft2232_spi.c 2015-01-25 10:16:05.372174400 +0300 +++ ./flashrom.ftdi_mpsse_init/ft2232_spi.c 2015-01-25 10:17:50.000000000 +0300 @@ -75,10 +75,11 @@ {0}, }; #define DEFAULT_DIVISOR 2 +#define BITMODE_BITBANG_RESET 0 #define BITMODE_BITBANG_NORMAL 1 #define BITMODE_BITBANG_SPI 2 /* The variables cs_bits and pindir store the values for the "set data bits low byte" MPSSE command that * sets the initial state and the direction of the I/O pins. The pin offsets are as follows: @@ -352,10 +353,14 @@ if (ftdi_write_data_set_chunksize(ftdic, 256)) { msg_perr("Unable to set chunk size (%s).\n", ftdi_get_error_string(ftdic)); } + if (ftdi_set_bitmode(ftdic, 0x00, BITMODE_BITBANG_RESET) < 0) { + msg_perr("Unable to reset MPSSE controller (%s).\n", ftdi_get_error_string(ftdic)); + } + if (ftdi_set_bitmode(ftdic, 0x00, BITMODE_BITBANG_SPI) < 0) { msg_perr("Unable to set bitmode to SPI (%s).\n", ftdi_get_error_string(ftdic)); } if (clock_5x) {
flashrom-r1872-ftdi-mpsse-init.patch
Description: Binary data
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