Add support for FT232H chips
FT232H chips are new highspeed devices from FTDI. Basically these are a half of FT2232H (or a quarter of FT4232H), so only one channel which can be used as OpenOCD interface. The chips are supported by libftdi 0.20 or later and by ftd2xx 2.08.12 or later. Change-Id: Ic9a2c279167c3419a24f0d6befacbb83c4ffeb25 Signed-off-by: Freddie Chopin <freddie.chopin@gmail.com> Reviewed-on: http://openocd.zylin.com/736 Tested-by: jenkins Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk> Reviewed-by: Salvador Arroyo <sarroyofdez@yahoo.es>__archive__
Freddie Chopin
parent
0900d5a3cd
commit
951d185049
42
configure.ac
42
configure.ac
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@ -1017,6 +1017,29 @@ DWORD x = FT_DEVICE_4232H;
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AC_MSG_WARN([You need a newer FTD2XX driver (version 2.04.16 or later).])
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fi
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AC_MSG_CHECKING([for ftd2xx FT232H device support])
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
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#include "confdefs.h"
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#if IS_WIN32
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#include "windows.h"
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#endif
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#include <stdio.h>
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#include <ftd2xx.h>
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DWORD x = FT_DEVICE_232H;
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]], [])], [
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AC_DEFINE([HAS_ENUM_FT232H], [1],
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[Support FT232H with FTD2XX or libftdi.])
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has_enum_ft232h=yes
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], [
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has_enum_ft232h=no
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])
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AC_MSG_RESULT([$has_enum_ft232h])
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if test $has_enum_ft232h = no; then
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AC_MSG_WARN([You need a newer FTD2XX driver (version 2.08.12 or later).])
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fi
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LDFLAGS=$LDFLAGS_SAVE
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CFLAGS=$CFLAGS_SAVE
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fi
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@ -1075,6 +1098,25 @@ enum ftdi_chip_type x = TYPE_2232H;
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AC_MSG_WARN([You need a newer libftdi version (0.16 or later).])
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fi
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AC_MSG_CHECKING([for libftdi FT232H device support])
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
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#include <stdio.h>
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#include <ftdi.h>
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]], [[
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enum ftdi_chip_type x = TYPE_232H;
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]])], [
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AC_DEFINE([HAS_ENUM_FT232H], [1],
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[Support FT232H with FTD2XX or libftdi.])
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has_enum_ft232h=yes
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], [
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has_enum_ft232h=no
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])
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AC_MSG_RESULT([$has_enum_ft232h])
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if test $has_enum_ft232h = no; then
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AC_MSG_WARN([You need a newer libftdi version (0.20 or later).])
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fi
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# Restore the 'unexpanded ldflags'
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LDFLAGS=$LDFLAGS_SAVE
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CFLAGS=$CFLAGS_SAVE
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@ -114,7 +114,7 @@ enum ftdi_interface {
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#endif
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/* max TCK for the high speed devices 30000 kHz */
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#define FTDI_2232H_4232H_MAX_TCK 30000
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#define FTDI_x232H_MAX_TCK 30000
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/* max TCK for the full speed devices 6000 kHz */
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#define FTDI_2232C_MAX_TCK 6000
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/* this speed value tells that RTCK is requested */
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@ -133,9 +133,9 @@ enum ftdi_interface {
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#ifndef BUILD_FT2232_HIGHSPEED
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#if BUILD_FT2232_FTD2XX == 1
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enum { FT_DEVICE_2232H = 6, FT_DEVICE_4232H };
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enum { FT_DEVICE_2232H = 6, FT_DEVICE_4232H, FT_DEVICE_232H };
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#elif BUILD_FT2232_LIBFTDI == 1
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enum { TYPE_2232H = 4, TYPE_4232H = 5 };
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enum { TYPE_2232H = 4, TYPE_4232H = 5, TYPE_232H = 6 };
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#endif
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#endif
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@ -598,19 +598,27 @@ static int ft2232_read(uint8_t *buf, uint32_t size, uint32_t *bytes_read)
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static bool ft2232_device_is_highspeed(void)
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{
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#if BUILD_FT2232_FTD2XX == 1
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return (ftdi_device == FT_DEVICE_2232H) || (ftdi_device == FT_DEVICE_4232H);
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return (ftdi_device == FT_DEVICE_2232H) || (ftdi_device == FT_DEVICE_4232H)
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#ifdef HAS_ENUM_FT232H
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|| (ftdi_device == FT_DEVICE_232H)
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#endif
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;
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#elif BUILD_FT2232_LIBFTDI == 1
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return (ftdi_device == TYPE_2232H || ftdi_device == TYPE_4232H);
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return (ftdi_device == TYPE_2232H || ftdi_device == TYPE_4232H
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#ifdef HAS_ENUM_FT232H
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|| ftdi_device == TYPE_232H
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#endif
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);
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#endif
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}
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/*
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* Commands that only apply to the FT2232H and FT4232H devices.
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* Commands that only apply to the highspeed FTx232H devices (FT2232H, FT4232H, FT232H).
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* See chapter 6 in http://www.ftdichip.com/Documents/AppNotes/
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* AN_108_Command_Processor_for_MPSSE_and_MCU_Host_Bus_Emulation_Modes.pdf
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*/
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static int ft2232h_ft4232h_adaptive_clocking(bool enable)
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static int ftx232h_adaptive_clocking(bool enable)
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{
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uint8_t buf = enable ? 0x96 : 0x97;
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LOG_DEBUG("%2.2x", buf);
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@ -633,7 +641,7 @@ static int ft2232h_ft4232h_adaptive_clocking(bool enable)
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* This result in a JTAG clock speed range of 91.553Hz-6MHz
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* respective 457.763Hz-30MHz.
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*/
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static int ft2232h_ft4232h_clk_divide_by_5(bool enable)
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static int ftx232h_clk_divide_by_5(bool enable)
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{
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uint32_t bytes_written;
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uint8_t buf = enable ? 0x8b : 0x8a;
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@ -643,7 +651,7 @@ static int ft2232h_ft4232h_clk_divide_by_5(bool enable)
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, enable ? "enable" : "disable");
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return ERROR_JTAG_INIT_FAILED;
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}
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ft2232_max_tck = enable ? FTDI_2232C_MAX_TCK : FTDI_2232H_4232H_MAX_TCK;
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ft2232_max_tck = enable ? FTDI_2232C_MAX_TCK : FTDI_x232H_MAX_TCK;
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LOG_INFO("max TCK change to: %u kHz", ft2232_max_tck);
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return ERROR_OK;
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@ -658,7 +666,7 @@ static int ft2232_speed(int speed)
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retval = ERROR_OK;
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bool enable_adaptive_clocking = (RTCK_SPEED == speed);
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if (ft2232_device_is_highspeed())
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retval = ft2232h_ft4232h_adaptive_clocking(enable_adaptive_clocking);
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retval = ftx232h_adaptive_clocking(enable_adaptive_clocking);
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else if (enable_adaptive_clocking) {
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LOG_ERROR("ft2232 device %lu does not support RTCK"
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, (long unsigned int)ftdi_device);
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@ -2172,7 +2180,7 @@ static int ft2232_init_ftd2xx(uint16_t vid, uint16_t pid, int more, int *try_mor
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return ERROR_JTAG_INIT_FAILED;
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} else {
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static const char *type_str[] = {
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"BM", "AM", "100AX", "UNKNOWN", "2232C", "232R", "2232H", "4232H"
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"BM", "AM", "100AX", "UNKNOWN", "2232C", "232R", "2232H", "4232H", "232H"
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};
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unsigned no_of_known_types = ARRAY_SIZE(type_str) - 1;
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unsigned type_index = ((unsigned)ftdi_device <= no_of_known_types)
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@ -2258,7 +2266,7 @@ static int ft2232_init_libftdi(uint16_t vid, uint16_t pid, int more, int *try_mo
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ftdi_device = ftdic.type;
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static const char *type_str[] = {
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"AM", "BM", "2232C", "R", "2232H", "4232H", "Unknown"
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"AM", "BM", "2232C", "R", "2232H", "4232H", "232H", "Unknown"
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};
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unsigned no_of_known_types = ARRAY_SIZE(type_str) - 1;
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unsigned type_index = ((unsigned)ftdi_device < no_of_known_types)
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@ -2375,7 +2383,7 @@ static int ft2232_init(void)
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#endif
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#endif
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/* make sure the legacy mode is disabled */
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if (ft2232h_ft4232h_clk_divide_by_5(false) != ERROR_OK)
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if (ftx232h_clk_divide_by_5(false) != ERROR_OK)
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return ERROR_JTAG_INIT_FAILED;
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}
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