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Diffstat (limited to 'host/lib/usrp/usrp2/usrp2_regs.hpp')
-rw-r--r--host/lib/usrp/usrp2/usrp2_regs.hpp22
1 files changed, 10 insertions, 12 deletions
diff --git a/host/lib/usrp/usrp2/usrp2_regs.hpp b/host/lib/usrp/usrp2/usrp2_regs.hpp
index 0a2de2c6d..77d9f4ad9 100644
--- a/host/lib/usrp/usrp2/usrp2_regs.hpp
+++ b/host/lib/usrp/usrp2/usrp2_regs.hpp
@@ -177,10 +177,8 @@
//
#define FR_GPIO_BASE 0xC800
-#define FR_GPIO_RX_IO FR_GPIO_BASE + 0 // 16 io data pins
-#define FR_GPIO_TX_IO FR_GPIO_BASE + 2 // 16 io data pins
-#define FR_GPIO_RX_DDR FR_GPIO_BASE + 4 // 16 ddr pins, 1 means output
-#define FR_GPIO_TX_DDR FR_GPIO_BASE + 6 // 16 ddr pins, 1 means output
+#define FR_GPIO_IO FR_GPIO_BASE + 0 // 32 bits, gpio io pins (tx high 16 bits, rx low 16 bits)
+#define FR_GPIO_DDR FR_GPIO_BASE + 4 // 32 bits, gpio ddr, 1 means output (tx high 16 bits, rx low 16 bits)
#define FR_GPIO_TX_SEL FR_GPIO_BASE + 8 // 16 2-bit fields select which source goes to TX DB
#define FR_GPIO_RX_SEL FR_GPIO_BASE + 12 // 16 2-bit fields select which source goes to RX DB
@@ -195,13 +193,13 @@
////////////////////////////////////////////////
#define FR_ATR_BASE 0xE400
-#define FR_ATR_IDLE_RXSIDE FR_ATR_BASE + 0
-#define FR_ATR_IDLE_TXSIDE FR_ATR_BASE + 2
-#define FR_ATR_INTX_RXSIDE FR_ATR_BASE + 4
-#define FR_ATR_INTX_TXSIDE FR_ATR_BASE + 6
-#define FR_ATR_INRX_RXSIDE FR_ATR_BASE + 8
-#define FR_ATR_INRX_TXSIDE FR_ATR_BASE + 10
-#define FR_ATR_FULL_RXSIDE FR_ATR_BASE + 12
-#define FR_ATR_FULL_TXSIDE FR_ATR_BASE + 14
+#define FR_ATR_IDLE_TXSIDE FR_ATR_BASE + 0
+#define FR_ATR_IDLE_RXSIDE FR_ATR_BASE + 2
+#define FR_ATR_INTX_TXSIDE FR_ATR_BASE + 4
+#define FR_ATR_INTX_RXSIDE FR_ATR_BASE + 6
+#define FR_ATR_INRX_TXSIDE FR_ATR_BASE + 8
+#define FR_ATR_INRX_RXSIDE FR_ATR_BASE + 10
+#define FR_ATR_FULL_TXSIDE FR_ATR_BASE + 12
+#define FR_ATR_FULL_RXSIDE FR_ATR_BASE + 14
#endif /* INCLUDED_USRP2_REGS_HPP */