cadence_uart: More debug information
Add more helpful debug information to the cadence UART. Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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@ -359,7 +359,7 @@ static void uart_write(void *opaque, hwaddr offset,
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{
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UartState *s = (UartState *)opaque;
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DB_PRINT(" offset:%x data:%08x\n", offset, (unsigned)value);
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DB_PRINT(" offset:%x data:%08x\n", (unsigned)offset, (unsigned)value);
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offset >>= 2;
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switch (offset) {
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case R_IER: /* ier (wts imr) */
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@ -405,12 +405,15 @@ static uint64_t uart_read(void *opaque, hwaddr offset,
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offset >>= 2;
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if (offset >= R_MAX) {
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return 0;
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c = 0;
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} else if (offset == R_TX_RX) {
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uart_read_rx_fifo(s, &c);
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return c;
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} else {
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c = s->r[offset];
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}
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return s->r[offset];
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DB_PRINT(" offset:%x data:%08x\n", (unsigned)(offset << 2), (unsigned)c);
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return c;
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}
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static const MemoryRegionOps uart_ops = {
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