From 3245a0cd5fdfcf27cc08a173e5c29abfd66882ee Mon Sep 17 00:00:00 2001 From: oharboe Date: Mon, 8 Jun 2009 14:13:32 +0000 Subject: [PATCH] update zy1000 to latest minidriver work git-svn-id: svn://svn.berlios.de/openocd/trunk@2132 b42882b7-edfa-0310-969c-e2dbd0fdcd60 --- configure.in | 11 +- src/jtag/Makefile.am | 3 +- src/jtag/zy1000/jtag_minidriver.h | 210 ++++++++++++++++++++++++++++++ src/jtag/{ => zy1000}/zy1000.c | 0 4 files changed, 217 insertions(+), 7 deletions(-) create mode 100644 src/jtag/zy1000/jtag_minidriver.h rename src/jtag/{ => zy1000}/zy1000.c (100%) diff --git a/configure.in b/configure.in index 7ab9db3d..56e431d9 100644 --- a/configure.in +++ b/configure.in @@ -400,13 +400,12 @@ AC_ARG_ENABLE(minidriver_dummy, build_minidriver=no AC_MSG_CHECKING([whether to enable ZY1000 minidriver]) if test $build_ecosboard = yes; then - # check for that project's header file in the current header search path - AC_CHECK_HEADERS(jtag_minidriver.h, [build_minidriver=yes], - AC_MSG_WARN([The --enable-ecosboard option needs the out-of-tree 'jtag_minidriver.h']) - AC_MSG_ERROR([The out-of-tree jtag_minidriver.h cannot be found.]) - ) + if test $build_minidriver = yes; then + AC_MSG_ERROR([Multiple minidriver options have been enabled.]) + fi + AC_DEFINE(HAVE_JTAG_MINIDRIVER_H, 1, + [Define to 1 if you have the header file.]) build_minidriver=yes - AC_DEFINE(BUILD_MINIDRIVER_DUMMY, 1, [Use the dummy minidriver.]) fi AC_MSG_RESULT($build_ecosboard) diff --git a/src/jtag/Makefile.am b/src/jtag/Makefile.am index 567a8fc2..b798a28d 100644 --- a/src/jtag/Makefile.am +++ b/src/jtag/Makefile.am @@ -46,7 +46,8 @@ EP93XXFILES = endif if ECOSBOARD -ECOSBOARDFILES = zy1000.c +ECOSBOARDFILES = zy1000/zy1000.c +AM_CPPFLAGS += -I$(srcdir)/zy1000 else ECOSBOARDFILES = endif diff --git a/src/jtag/zy1000/jtag_minidriver.h b/src/jtag/zy1000/jtag_minidriver.h new file mode 100644 index 00000000..5fafd9ec --- /dev/null +++ b/src/jtag/zy1000/jtag_minidriver.h @@ -0,0 +1,210 @@ +/*************************************************************************** + * Copyright (C) 2007-2008 by Øyvind Harboe * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program; if not, write to the * + * Free Software Foundation, Inc., * + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + ***************************************************************************/ + +#include // low level i/o + +//#define VERBOSE(a) a +#define VERBOSE(a) + +/* used to test manual mode */ +#define TEST_MANUAL() 0 + +#if 0 +int diag_printf( const char *fmt, ... ); +#define ZY1000_POKE(a, b) HAL_WRITE_UINT32(a, b); diag_printf("poke 0x%08x,0x%08x\n", a, b) +#define ZY1000_PEEK(a, b) HAL_READ_UINT32(a, b); diag_printf("peek 0x%08x=0x%08x\n", a, b) +#else +#define ZY1000_POKE(a, b) HAL_WRITE_UINT32(a, b) +#define ZY1000_PEEK(a, b) HAL_READ_UINT32(a, b) +#endif + +// FIFO empty? +static __inline__ void waitIdle(void) +{ + cyg_uint32 empty; + do + { + ZY1000_PEEK(ZY1000_JTAG_BASE+0x10, empty); + } while ((empty & 0x100)==0); +} + +static __inline__ void waitQueue(void) +{ +// waitIdle(); +} + +static void sampleShiftRegister(void) +{ +#if 0 + cyg_uint32 dummy; + waitIdle(); + ZY1000_PEEK(ZY1000_JTAG_BASE+0xc, dummy); +#endif +} + +/* -O3 will inline this for us */ +static void setCurrentState(enum tap_state state) +{ + cyg_uint32 a; + a=state; + int repeat=0; + if (state==TAP_RESET) + { + // The FPGA nor we know the current state of the CPU TAP + // controller. This will move it to TAP for sure. + // + // 5 should be enough here, 7 is what OpenOCD uses + repeat=7; + } + waitQueue(); + sampleShiftRegister(); + ZY1000_POKE(ZY1000_JTAG_BASE+0x8, (repeat<<8)|(a<<4)|a); + +} + +/* + * Enter state and cause repeat transitions *out* of that state. So if the endState!=state, then + * the transition from state to endState counts as a transition out of state. + */ +static __inline__ void shiftValueInner(const enum tap_state state, const enum tap_state endState, int repeat, cyg_uint32 value) +{ + cyg_uint32 a,b; + a=state; + b=endState; + waitQueue(); + sampleShiftRegister(); + ZY1000_POKE(ZY1000_JTAG_BASE+0xc, value); +#if 1 +#if TEST_MANUAL() + if ((state==TAP_DRSHIFT)&&(endState!=TAP_DRSHIFT)) + { + int i; + setCurrentState(state); + for (i=0; i>i)&1)<<1)|tms); + } + waitIdle(); + ZY1000_POKE(ZY1000_JTAG_BASE+0x28, 0); + waitIdle(); + //ZY1000_POKE(ZY1000_JTAG_BASE+0x20, TAP_DRSHIFT); // set this state and things break => expected + ZY1000_POKE(ZY1000_JTAG_BASE+0x20, TAP_DRPAUSE); // set this and things will work => expected. Not setting this is not sufficient to make things break. + setCurrentState(endState); + } else + { + ZY1000_POKE(ZY1000_JTAG_BASE+0x8, (repeat<<8)|(a<<4)|b); + } +#else + /* fast version */ + ZY1000_POKE(ZY1000_JTAG_BASE+0x8, (repeat<<8)|(a<<4)|b); +#endif +#else + /* maximum debug version */ + if ((repeat>0)&&((state==TAP_DRSHIFT)||(state==TAP_SI))) + { + int i; + /* sample shift register for every bit. */ + for (i=0; i>i); + ZY1000_POKE(ZY1000_JTAG_BASE+0x8, (1<<8)|(a<<4)|a); + } + sampleShiftRegister(); + ZY1000_POKE(ZY1000_JTAG_BASE+0xc, value>>(repeat-1)); + ZY1000_POKE(ZY1000_JTAG_BASE+0x8, (1<<8)|(a<<4)|b); + } else + { + sampleShiftRegister(); + ZY1000_POKE(ZY1000_JTAG_BASE+0x8, (repeat<<8)|(a<<4)|b); + } + sampleShiftRegister(); +#endif +} + + + +static __inline__ void interface_jtag_add_dr_out_core(jtag_tap_t *target_tap, + int num_fields, + const int *num_bits, + const u32 *value, + enum tap_state end_state) +{ + enum tap_state pause_state = TAP_DRSHIFT; + + jtag_tap_t *tap, *nextTap; + for(tap = jtag_tap_next_enabled(NULL); tap!= NULL; tap=nextTap) + { + nextTap=jtag_tap_next_enabled(tap); + if (nextTap==NULL) + { + pause_state = end_state; + } + if (tap == target_tap) + { + int j; + for (j=0; j<(num_fields-1); j++) + { + shiftValueInner(TAP_DRSHIFT, TAP_DRSHIFT, num_bits[j], value[j]); + } + shiftValueInner(TAP_DRSHIFT, pause_state, num_bits[j], value[j]); + } else + { + /* program the scan field to 1 bit length, and ignore it's value */ + shiftValueInner(TAP_DRSHIFT, pause_state, 1, 0); + } + } +} + +static __inline__ void interface_jtag_add_dr_out(jtag_tap_t *target_tap, + int num_fields, + const int *num_bits, + const u32 *value, + enum tap_state end_state) +{ + + int singletap=(jtag_tap_next_enabled(jtag_tap_next_enabled(NULL))==NULL); + if ((singletap)&&(num_fields==3)) + { + /* used by embeddedice_write_reg_inner() */ + shiftValueInner(TAP_DRSHIFT, TAP_DRSHIFT, num_bits[0], value[0]); + shiftValueInner(TAP_DRSHIFT, TAP_DRSHIFT, num_bits[1], value[1]); + shiftValueInner(TAP_DRSHIFT, end_state, num_bits[2], value[2]); + } else if ((singletap)&&(num_fields==2)) + { + /* used by arm7 code */ + shiftValueInner(TAP_DRSHIFT, TAP_DRSHIFT, num_bits[0], value[0]); + shiftValueInner(TAP_DRSHIFT, end_state, num_bits[1], value[1]); + } else + { + interface_jtag_add_dr_out_core(target_tap, num_fields, num_bits, value, end_state); + } +} + +#define interface_jtag_add_callback(callback, in) callback(in) + +#define interface_jtag_add_callback4(callback, in, data1, data2, data3) jtag_set_error(callback(in, data1, data2, data3)) diff --git a/src/jtag/zy1000.c b/src/jtag/zy1000/zy1000.c similarity index 100% rename from src/jtag/zy1000.c rename to src/jtag/zy1000/zy1000.c -- 2.39.5