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| author | Øyvind Harboe <oyvind.harboe@zylin.com> | 2009-12-07 12:38:56 +0100 |
|---|---|---|
| committer | Øyvind Harboe <oyvind.harboe@zylin.com> | 2009-12-10 13:52:07 +0100 |
| commit | 134df4b701a343acc598d111986570bc90eb675d (patch) | |
| tree | c5e146c1bab9f4c09ce9d4062d75de9c7f64dab3 /src | |
| parent | 29a8cdc3b066df0a6038775621154ba525389321 (diff) | |
| download | openocd+libswd-134df4b701a343acc598d111986570bc90eb675d.tar.gz openocd+libswd-134df4b701a343acc598d111986570bc90eb675d.tar.bz2 openocd+libswd-134df4b701a343acc598d111986570bc90eb675d.tar.xz openocd+libswd-134df4b701a343acc598d111986570bc90eb675d.zip | |
zy1000: revc FPGA now works
remove kludge code.
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/jtag/zy1000/jtag_minidriver.h | 24 | ||||
| -rw-r--r-- | src/jtag/zy1000/zy1000.c | 12 |
2 files changed, 6 insertions, 30 deletions
diff --git a/src/jtag/zy1000/jtag_minidriver.h b/src/jtag/zy1000/jtag_minidriver.h index 536c6770..a78a0631 100644 --- a/src/jtag/zy1000/jtag_minidriver.h +++ b/src/jtag/zy1000/jtag_minidriver.h @@ -32,33 +32,9 @@ int diag_printf(const char *fmt, ...); #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) - -#ifdef CYGPKG_HAL_NIOS2 -#define ZY1000_POKE(a, b) \ - {/* This will flush the bridge FIFO. Overflowed bridge FIFO fails. We must \ - flush every "often". No precise system has been found, but 4 seems solid. \ - This code goes away once the FPGA has been fixed. */ \ -\ -CYG_INTERRUPT_STATE _old_; \ -HAL_DISABLE_INTERRUPTS(_old_); \ -HAL_WRITE_UINT32(a, b);\ - static int overflow_counter = 0; \ - if (++overflow_counter >= 1) \ - { \ - /* clear FIFO */ \ - cyg_uint32 empty; ZY1000_PEEK(ZY1000_JTAG_BASE + 0x10, empty); \ - overflow_counter = 0; \ - } \ - /* NB! interrupts must be restored *after* read */ \ - HAL_RESTORE_INTERRUPTS(_old_); \ -}\ - -#else #define ZY1000_POKE(a, b) HAL_WRITE_UINT32(a, b) #endif -#endif - // FIFO empty? static __inline__ void waitIdle(void) { diff --git a/src/jtag/zy1000/zy1000.c b/src/jtag/zy1000/zy1000.c index 5ddc7c5c..30b9a4ba 100644 --- a/src/jtag/zy1000/zy1000.c +++ b/src/jtag/zy1000/zy1000.c @@ -93,8 +93,8 @@ static bool readPowerDropout(void) { cyg_uint32 state; // sample and clear power dropout - HAL_WRITE_UINT32(ZY1000_JTAG_BASE + 0x10, 0x80); - HAL_READ_UINT32(ZY1000_JTAG_BASE + 0x10, state); + ZY1000_POKE(ZY1000_JTAG_BASE + 0x10, 0x80); + ZY1000_PEEK(ZY1000_JTAG_BASE + 0x10, state); bool powerDropout; powerDropout = (state & 0x80) != 0; return powerDropout; @@ -105,8 +105,8 @@ static bool readSRST(void) { cyg_uint32 state; // sample and clear SRST sensing - HAL_WRITE_UINT32(ZY1000_JTAG_BASE + 0x10, 0x00000040); - HAL_READ_UINT32(ZY1000_JTAG_BASE + 0x10, state); + ZY1000_POKE(ZY1000_JTAG_BASE + 0x10, 0x00000040); + ZY1000_PEEK(ZY1000_JTAG_BASE + 0x10, state); bool srstAsserted; srstAsserted = (state & 0x40) != 0; return srstAsserted; @@ -218,10 +218,10 @@ static void setPower(bool power) savePower = power; if (power) { - HAL_WRITE_UINT32(ZY1000_JTAG_BASE + 0x14, 0x8); + ZY1000_POKE(ZY1000_JTAG_BASE + 0x14, 0x8); } else { - HAL_WRITE_UINT32(ZY1000_JTAG_BASE + 0x10, 0x8); + ZY1000_POKE(ZY1000_JTAG_BASE + 0x10, 0x8); } } |