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ft2232_spi.c: Add support for kt-link jtag interface

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Change tested writing, reading and erasing spi flashes
pinout:
  jtag - spi
 1 vcc - vcc, wp#, hold#
 4 gnd - gnd
 5 tdi - si
 7 tms - cs#
 9 tck - sck
13 tdo - so
Connect pins 9 and 12 in EXT connector for 3.3V power.

Signed-off-by: Jacek Naglak <jnaglak@tlen.pl>
Change-Id: Id58c675bc410ec3ef6d58603d13efc9ca53bb87c
Reviewed-on: https://review.coreboot.org/c/flashrom/+/64440
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Felix Singer <felixsinger@posteo.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Jacek Naglak
2022-05-18 02:25:13 +02:00
committed by Thomas Heijligen
parent ed2da0f2bc
commit 3543bfed84
3 changed files with 33 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
ft2232_spi.c
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@ -39,6 +39,7 @@
#define FTDI_FT4233H_PID 0x6041
#define TIAO_TUMPA_PID 0x8a98
#define TIAO_TUMPA_LITE_PID 0x8a99
#define KT_LINK_PID 0xbbe2
#define AMONTEC_JTAGKEY_PID 0xCFF8
#define GOEPEL_VID 0x096C
@ -65,6 +66,7 @@ static const struct dev_entry devs_ft2232spi[] = {
{FTDI_VID, FTDI_FT4233H_PID, OK, "FTDI", "FT4233H"},
{FTDI_VID, TIAO_TUMPA_PID, OK, "TIAO", "USB Multi-Protocol Adapter"},
{FTDI_VID, TIAO_TUMPA_LITE_PID, OK, "TIAO", "USB Multi-Protocol Adapter Lite"},
{FTDI_VID, KT_LINK_PID, OK, "Kristech", "KT-LINK"},
{FTDI_VID, AMONTEC_JTAGKEY_PID, OK, "Amontec", "JTAGkey"},
{GOEPEL_VID, GOEPEL_PICOTAP_PID, OK, "GOEPEL", "PicoTAP"},
{GOOGLE_VID, GOOGLE_SERVO_PID, OK, "Google", "Servo"},
@ -333,6 +335,8 @@ static int ft2232_spi_init(void)
uint8_t cs_bits = 0x08;
uint8_t aux_bits = 0x00;
uint8_t pindir = 0x0b;
uint8_t aux_bits_high = 0x00;
uint8_t pindir_high = 0x00;
struct ftdi_context ftdic;
struct ft2232_data *spi_data;
@ -421,6 +425,17 @@ static int ft2232_spi_init(void)
/* Flyswatter and Flyswatter-2 require GPIO bits 0x80
* and 0x40 to be driven low to enable output buffers */
pindir = 0xcb;
} else if (!strcasecmp(arg, "kt-link")) {
ft2232_type = KT_LINK_PID;
/* port B is used as uart */
channel_count = 1;
/* Set GPIOL1 output high - route TMS and TDO through multiplexers */
aux_bits = 0x20;
pindir = 0x2b;
/* Set GPIOH4 output low - enable TMS output buffer */
/* Set GPIOH5 output low - enable TDI output buffer */
/* Set GPIOH6 output low - enable TCK output buffer */
pindir_high = 0x70;
} else {
msg_perr("Error: Invalid device type specified.\n");
free(arg);
@ -659,6 +674,17 @@ format_error:
goto ftdi_err;
}
if (pindir_high) {
msg_pdbg("Set data bits HighByte\n");
buf[0] = SET_BITS_HIGH;
buf[1] = aux_bits_high;
buf[2] = pindir_high;
if (send_buf(&ftdic, buf, 3)) {
ret = -8;
goto ftdi_err;
}
}
spi_data = calloc(1, sizeof(*spi_data));
if (!spi_data) {
msg_perr("Unable to allocate space for SPI master data\n");