/***************************************************************************
- * Copyright (C) 2007-2009 by Øyvind Harboe *
+ * Copyright (C) 2007-2010 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 *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
-#include <cyg/hal/hal_io.h> // low level i/o
-#include <cyg/hal/hal_intr.h> // low level i/o
-
-//#define VERBOSE(a) a
-#define VERBOSE(a)
-
/* used to test manual mode */
#define TEST_MANUAL() 0
+#define VERBOSE(a)
+
+#if BUILD_ZY1000_MASTER
+
+#define ZY1000_PEEK(a, b) do {b = *((volatile uint32_t *)(a)); } while (0)
+#define ZY1000_POKE(a, b) do {*((volatile uint32_t *)(a)) = b; } while (0)
+extern volatile void *zy1000_jtag_master;
+#define ZY1000_JTAG_BASE ((unsigned long)zy1000_jtag_master)
-#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_PEEK(a, b) HAL_READ_UINT32(a, b)
-#define ZY1000_POKE(a, b) HAL_WRITE_UINT32(a, b)
+
+/* redirect this to TCP/IP */
+#define ZY1000_JTAG_BASE 0
+extern void zy1000_tcpout(uint32_t address, uint32_t data);
+extern uint32_t zy1000_tcpin(uint32_t address);
+#define ZY1000_PEEK(a, b) b = zy1000_tcpin(a)
+#define ZY1000_POKE(a, b) zy1000_tcpout(a, b)
+
#endif
-// FIFO empty?
-static __inline__ void waitIdle(void)
+#if BUILD_ZY1000_MASTER
+/* FIFO empty? */
+static inline void waitIdle(void)
{
- cyg_uint32 empty;
- do
- {
+ uint32_t empty;
+ do {
ZY1000_PEEK(ZY1000_JTAG_BASE + 0x10, empty);
} while ((empty & 0x100) == 0);
}
-static __inline__ void waitQueue(void)
+static inline void zy1000_flush_readqueue(void)
+{
+ /* Not used w/hardware fifo */
+}
+static inline void zy1000_flush_callbackqueue(void)
+{
+ /* Not used w/hardware fifo */
+}
+#else
+extern void waitIdle(void);
+void zy1000_flush_readqueue(void);
+void zy1000_flush_callbackqueue(void);
+void zy1000_jtag_add_callback4(jtag_callback_t callback,
+ jtag_callback_data_t data0,
+ jtag_callback_data_t data1,
+ jtag_callback_data_t data2,
+ jtag_callback_data_t data3);
+void zy1000_jtag_add_callback(jtag_callback1_t callback, jtag_callback_data_t data0);
+#endif
+
+static inline void waitQueue(void)
{
-// waitIdle();
+/* waitIdle(); */
}
-static __inline__ void sampleShiftRegister(void)
+static inline void sampleShiftRegister(void)
{
#if 0
- cyg_uint32 dummy;
+ uint32_t dummy;
waitIdle();
ZY1000_PEEK(ZY1000_JTAG_BASE + 0xc, dummy);
#endif
}
-static __inline__ void setCurrentState(enum tap_state state)
+static inline void setCurrentState(enum tap_state state)
{
- cyg_uint32 a;
+ uint32_t 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
+ 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();
* 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)
+static inline void shiftValueInner(const enum tap_state state,
+ const enum tap_state endState,
+ int repeat,
+ uint32_t value)
{
- cyg_uint32 a,b;
+ uint32_t a, b;
a = state;
b = endState;
waitQueue();
ZY1000_POKE(ZY1000_JTAG_BASE + 0xc, value);
#if 1
#if TEST_MANUAL()
- if ((state == TAP_DRSHIFT) && (endState != TAP_DRSHIFT))
- {
+ if ((state == TAP_DRSHIFT) && (endState != TAP_DRSHIFT)) {
int i;
setCurrentState(state);
- for (i = 0; i < repeat; i++)
- {
+ for (i = 0; i < repeat; i++) {
int tms;
tms = 0;
if ((i == repeat-1) && (state != endState))
- {
tms = 1;
- }
- /* shift out value */
+ /* shift out value */
waitIdle();
ZY1000_POKE(ZY1000_JTAG_BASE + 0x28, (((value >> 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.
+ /* 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)))
- {
+ if ((repeat > 0) && ((state == TAP_DRSHIFT) || (state == TAP_SI))) {
int i;
/* sample shift register for every bit. */
- for (i = 0; i < repeat-1; i++)
- {
+ for (i = 0; i < repeat-1; i++) {
sampleShiftRegister();
ZY1000_POKE(ZY1000_JTAG_BASE + 0xc, value >> 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
- {
+ } else {
sampleShiftRegister();
ZY1000_POKE(ZY1000_JTAG_BASE + 0x8, (repeat << 8) | (a << 4) | b);
}
#endif
}
-
-
-static __inline__ void interface_jtag_add_dr_out_core(struct jtag_tap *target_tap,
- int num_fields,
- const int *num_bits,
- const uint32_t *value,
- enum tap_state end_state)
+static inline void interface_jtag_add_dr_out_core(struct jtag_tap *target_tap,
+ int num_fields,
+ const int *num_bits,
+ const uint32_t *value,
+ enum tap_state end_state)
{
enum tap_state pause_state = TAP_DRSHIFT;
struct jtag_tap *tap, *nextTap;
- for (tap = jtag_tap_next_enabled(NULL); tap!= NULL; 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)
- {
+ 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
- {
+ } 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(struct jtag_tap *target_tap,
- int num_fields,
- const int *num_bits,
- const uint32_t *value,
- enum tap_state end_state)
+static inline void interface_jtag_add_dr_out(struct jtag_tap *target_tap,
+ int num_fields,
+ const int *num_bits,
+ const uint32_t *value,
+ enum tap_state end_state)
{
int singletap = (jtag_tap_next_enabled(jtag_tap_next_enabled(NULL)) == NULL);
- if ((singletap) && (num_fields == 3))
- {
+ 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))
- {
+ } 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);
- }
}
+#if BUILD_ZY1000_MASTER
#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))
+#define interface_jtag_add_callback4(callback, in, data1, data2, \
+ data3) jtag_set_error(callback(in, data1, data2, data3))
+#else
+#define interface_jtag_add_callback(callback, in) zy1000_jtag_add_callback(callback, in)
+#define interface_jtag_add_callback4(callback, in, data1, data2, data3) zy1000_jtag_add_callback4( \
+ callback, \
+ in, \
+ data1, \
+ data2, \
+ data3)
+#endif
projects / fw / openocd / blobdiff