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| author | Sergey Alirzaev <zl29ah@gmail.com> | 2018-08-01 16:39:17 +0300 |
|---|---|---|
| committer | Nico Huber <nico.h@gmx.de> | 2018-10-08 14:01:08 +0000 |
| commit | 4acc3f3a8990cda15f04e5eabf028c5cda0d6619 (patch) | |
| tree | ce763d072afff4636de2c9fc9f8622ebfc67cc18 /ft2232_spi.c | |
| parent | 73ab88d58ee6ca1f0a822faafe0b14996e65ddbf (diff) | |
| download | flashrom-4acc3f3a8990cda15f04e5eabf028c5cda0d6619.tar.gz flashrom-4acc3f3a8990cda15f04e5eabf028c5cda0d6619.tar.bz2 flashrom-4acc3f3a8990cda15f04e5eabf028c5cda0d6619.zip | |
ft2232_spi: add an ability to use GPIO for chip selection
Change-Id: I6db05619e0d69ad18549c8556ef69225337b1532
Signed-off-by: Sergey Alirzaev <zl29ah@gmail.com>
Reviewed-on: https://review.coreboot.org/28911
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Diffstat (limited to 'ft2232_spi.c')
| -rw-r--r-- | ft2232_spi.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/ft2232_spi.c b/ft2232_spi.c index 819744c3f..95584aa40 100644 --- a/ft2232_spi.c +++ b/ft2232_spi.c @@ -327,6 +327,23 @@ int ft2232_spi_init(void) } free(arg); + arg = extract_programmer_param("csgpiol"); + if (arg) { + char *endptr; + unsigned int temp = strtoul(arg, &endptr, 10); + if (*endptr || endptr == arg || temp > 3) { + msg_perr("Error: Invalid GPIOL specified: \"%s\".\n" + "Valid values are between 0 and 3.\n", arg); + free(arg); + return -2; + } else { + unsigned int pin = temp + 4; + cs_bits |= 1 << pin; + pindir |= 1 << pin; + } + } + free(arg); + msg_pdbg("Using device type %s %s ", get_ft2232_vendorname(ft2232_vid, ft2232_type), get_ft2232_devicename(ft2232_vid, ft2232_type)); |