diff options
author | Freddie Chopin <freddie.chopin@gmail.com> | 2012-07-05 12:31:11 +0200 |
---|---|---|
committer | Freddie Chopin <freddie.chopin@gmail.com> | 2012-07-30 06:15:10 +0000 |
commit | 951d1850494a404f775c141e44376d42760563c9 (patch) | |
tree | 3d60d0b8ef574d18c91f11377833f223dea59152 /src/jtag/drivers/ft2232.c | |
parent | 0900d5a3cd956d9a5aa6b4ecfe722bcce4831f32 (diff) |
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>
Diffstat (limited to 'src/jtag/drivers/ft2232.c')
-rw-r--r-- | src/jtag/drivers/ft2232.c | 34 |
1 files changed, 21 insertions, 13 deletions
diff --git a/src/jtag/drivers/ft2232.c b/src/jtag/drivers/ft2232.c index e6a7363f..1997aeb6 100644 --- a/src/jtag/drivers/ft2232.c +++ b/src/jtag/drivers/ft2232.c @@ -114,7 +114,7 @@ enum ftdi_interface { #endif /* max TCK for the high speed devices 30000 kHz */ -#define FTDI_2232H_4232H_MAX_TCK 30000 +#define FTDI_x232H_MAX_TCK 30000 /* max TCK for the full speed devices 6000 kHz */ #define FTDI_2232C_MAX_TCK 6000 /* this speed value tells that RTCK is requested */ @@ -133,9 +133,9 @@ enum ftdi_interface { #ifndef BUILD_FT2232_HIGHSPEED #if BUILD_FT2232_FTD2XX == 1 - enum { FT_DEVICE_2232H = 6, FT_DEVICE_4232H }; + enum { FT_DEVICE_2232H = 6, FT_DEVICE_4232H, FT_DEVICE_232H }; #elif BUILD_FT2232_LIBFTDI == 1 - enum { TYPE_2232H = 4, TYPE_4232H = 5 }; + enum { TYPE_2232H = 4, TYPE_4232H = 5, TYPE_232H = 6 }; #endif #endif @@ -598,19 +598,27 @@ static int ft2232_read(uint8_t *buf, uint32_t size, uint32_t *bytes_read) static bool ft2232_device_is_highspeed(void) { #if BUILD_FT2232_FTD2XX == 1 - return (ftdi_device == FT_DEVICE_2232H) || (ftdi_device == FT_DEVICE_4232H); + return (ftdi_device == FT_DEVICE_2232H) || (ftdi_device == FT_DEVICE_4232H) + #ifdef HAS_ENUM_FT232H + || (ftdi_device == FT_DEVICE_232H) + #endif + ; #elif BUILD_FT2232_LIBFTDI == 1 - return (ftdi_device == TYPE_2232H || ftdi_device == TYPE_4232H); + return (ftdi_device == TYPE_2232H || ftdi_device == TYPE_4232H + #ifdef HAS_ENUM_FT232H + || ftdi_device == TYPE_232H + #endif + ); #endif } /* - * Commands that only apply to the FT2232H and FT4232H devices. + * Commands that only apply to the highspeed FTx232H devices (FT2232H, FT4232H, FT232H). * See chapter 6 in http://www.ftdichip.com/Documents/AppNotes/ * AN_108_Command_Processor_for_MPSSE_and_MCU_Host_Bus_Emulation_Modes.pdf */ -static int ft2232h_ft4232h_adaptive_clocking(bool enable) +static int ftx232h_adaptive_clocking(bool enable) { uint8_t buf = enable ? 0x96 : 0x97; LOG_DEBUG("%2.2x", buf); @@ -633,7 +641,7 @@ static int ft2232h_ft4232h_adaptive_clocking(bool enable) * This result in a JTAG clock speed range of 91.553Hz-6MHz * respective 457.763Hz-30MHz. */ -static int ft2232h_ft4232h_clk_divide_by_5(bool enable) +static int ftx232h_clk_divide_by_5(bool enable) { uint32_t bytes_written; uint8_t buf = enable ? 0x8b : 0x8a; @@ -643,7 +651,7 @@ static int ft2232h_ft4232h_clk_divide_by_5(bool enable) , enable ? "enable" : "disable"); return ERROR_JTAG_INIT_FAILED; } - ft2232_max_tck = enable ? FTDI_2232C_MAX_TCK : FTDI_2232H_4232H_MAX_TCK; + ft2232_max_tck = enable ? FTDI_2232C_MAX_TCK : FTDI_x232H_MAX_TCK; LOG_INFO("max TCK change to: %u kHz", ft2232_max_tck); return ERROR_OK; @@ -658,7 +666,7 @@ static int ft2232_speed(int speed) retval = ERROR_OK; bool enable_adaptive_clocking = (RTCK_SPEED == speed); if (ft2232_device_is_highspeed()) - retval = ft2232h_ft4232h_adaptive_clocking(enable_adaptive_clocking); + retval = ftx232h_adaptive_clocking(enable_adaptive_clocking); else if (enable_adaptive_clocking) { LOG_ERROR("ft2232 device %lu does not support RTCK" , (long unsigned int)ftdi_device); @@ -2172,7 +2180,7 @@ static int ft2232_init_ftd2xx(uint16_t vid, uint16_t pid, int more, int *try_mor return ERROR_JTAG_INIT_FAILED; } else { static const char *type_str[] = { - "BM", "AM", "100AX", "UNKNOWN", "2232C", "232R", "2232H", "4232H" + "BM", "AM", "100AX", "UNKNOWN", "2232C", "232R", "2232H", "4232H", "232H" }; unsigned no_of_known_types = ARRAY_SIZE(type_str) - 1; unsigned type_index = ((unsigned)ftdi_device <= no_of_known_types) @@ -2258,7 +2266,7 @@ static int ft2232_init_libftdi(uint16_t vid, uint16_t pid, int more, int *try_mo ftdi_device = ftdic.type; static const char *type_str[] = { - "AM", "BM", "2232C", "R", "2232H", "4232H", "Unknown" + "AM", "BM", "2232C", "R", "2232H", "4232H", "232H", "Unknown" }; unsigned no_of_known_types = ARRAY_SIZE(type_str) - 1; unsigned type_index = ((unsigned)ftdi_device < no_of_known_types) @@ -2375,7 +2383,7 @@ static int ft2232_init(void) #endif #endif /* make sure the legacy mode is disabled */ - if (ft2232h_ft4232h_clk_divide_by_5(false) != ERROR_OK) + if (ftx232h_clk_divide_by_5(false) != ERROR_OK) return ERROR_JTAG_INIT_FAILED; } |