waiting for ZY1000 fifo to idle is now queued as
an asynchronous command. This radically improves
performance when waitIdle() is interspersed with
writes as no readback is required over TCP/IP.
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
+#if BUILD_ECOSBOARD
// FIFO empty?
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)
{
ZY1000_CMD_POKE = 0x0,
ZY1000_CMD_PEEK = 0x8,
ZY1000_CMD_SLEEP = 0x1,
+ ZY1000_CMD_WAITIDLE = 2
};
}
}
+/* 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();
jtag_sleep(data);
break;
}
+ case ZY1000_CMD_WAITIDLE:
+ {
+ waitIdle();
+ break;
+ }
default:
return;
}
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