diff options
Diffstat (limited to 'src/jtag')
| -rw-r--r-- | src/jtag/zy1000/jtag_minidriver.h | 4 | ||||
| -rw-r--r-- | src/jtag/zy1000/zy1000.c | 22 |
2 files changed, 26 insertions, 0 deletions
diff --git a/src/jtag/zy1000/jtag_minidriver.h b/src/jtag/zy1000/jtag_minidriver.h index d556699a..f3fe5a6a 100644 --- a/src/jtag/zy1000/jtag_minidriver.h +++ b/src/jtag/zy1000/jtag_minidriver.h @@ -48,6 +48,7 @@ extern uint32_t zy1000_tcpin(uint32_t address); +#if BUILD_ECOSBOARD // FIFO empty? static __inline__ void waitIdle(void) { @@ -57,6 +58,9 @@ static __inline__ void waitIdle(void) ZY1000_PEEK(ZY1000_JTAG_BASE + 0x10, empty); } while ((empty & 0x100) == 0); } +#else +extern void waitIdle(void); +#endif static __inline__ void waitQueue(void) { diff --git a/src/jtag/zy1000/zy1000.c b/src/jtag/zy1000/zy1000.c index a1104ef4..97c94f7c 100644 --- a/src/jtag/zy1000/zy1000.c +++ b/src/jtag/zy1000/zy1000.c @@ -1107,6 +1107,7 @@ enum ZY1000_CMD ZY1000_CMD_POKE = 0x0, ZY1000_CMD_PEEK = 0x8, ZY1000_CMD_SLEEP = 0x1, + ZY1000_CMD_WAITIDLE = 2 }; @@ -1167,6 +1168,22 @@ void zy1000_tcpout(uint32_t address, uint32_t data) } } +/* By sending the wait to the server, we avoid a readback + * of status. Radically improves performance for this operation + * with long ping times. + */ +void waitIdle(void) +{ + tcpip_open(); + if (!writeLong((ZY1000_CMD_WAITIDLE << 24))) + { + fprintf(stderr, "Could not write to zy1000 server\n"); + exit(-1); + } +} + + + uint32_t zy1000_tcpin(uint32_t address) { tcpip_open(); @@ -1241,6 +1258,11 @@ static void tcpipserver(void) jtag_sleep(data); break; } + case ZY1000_CMD_WAITIDLE: + { + waitIdle(); + break; + } default: return; } |