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-rw-r--r--fpga/src/Top.bs52
1 files changed, 35 insertions, 17 deletions
diff --git a/fpga/src/Top.bs b/fpga/src/Top.bs
index 924b19a..7740c4b 100644
--- a/fpga/src/Top.bs
+++ b/fpga/src/Top.bs
@@ -4,6 +4,7 @@ package Top where
import Connectable
import CPU
import GetPut
+import TriState
import Uart
-- | The interface to the iCEBreaker.
@@ -28,24 +29,23 @@ interface Top =
hyperBus_RESET_N :: Bit 1 {-# always_ready, result = P1A9 #-}
hyperBus_RWDS :: Bit 1 -> Action {-# always_enabled, always_ready, prefix = "", arg_names = [P1A10] #-}
-- HyperBus 2 (PMOD 1B)
- -- hyperBus_DQ0_i :: Bit 1 -> Action {-# always_enabled, always_ready, prefix = "", arg_names = [P1B1] #-}
- -- hyperBus_DQ0 :: Inout (Bit 1) {-# always_ready, result = P1B1 #-}
- -- hyperBus_DQ1 :: Bit 1 {-# always_ready, result = P1B2 #-}
- -- hyperBus_DQ2 :: Bit 1 {-# always_ready, result = P1B3 #-}
- -- hyperBus_DQ3 :: Bit 1 {-# always_ready, result = P1B4 #-}
- -- hyperBus_DQ7 :: Bit 1 {-# always_ready, result = P1B7 #-}
- -- hyperBus_DQ6 :: Bit 1 {-# always_ready, result = P1B8 #-}
- -- hyperBus_DQ5 :: Bit 1 {-# always_ready, result = P1B9 #-}
- -- hyperBus_DQ4 :: Bit 1 {-# always_ready, result = P1B10 #-}
+ hyperBus_DQ0 :: Inout (Bit 1) {-# prefix = "P1B1" #-}
+ hyperBus_DQ1 :: Inout (Bit 1) {-# prefix = "P1B2" #-}
+ hyperBus_DQ2 :: Inout (Bit 1) {-# prefix = "P1B3" #-}
+ hyperBus_DQ3 :: Inout (Bit 1) {-# prefix = "P1B4" #-}
+ hyperBus_DQ7 :: Inout (Bit 1) {-# prefix = "P1B7" #-}
+ hyperBus_DQ6 :: Inout (Bit 1) {-# prefix = "P1B8" #-}
+ hyperBus_DQ5 :: Inout (Bit 1) {-# prefix = "P1B9" #-}
+ hyperBus_DQ4 :: Inout (Bit 1) {-# prefix = "P1B10" #-}
-- LEDs and buttons (PMOD 2)
- led1 :: Bit 1 {-# always_ready, result = LED1 #-}
- led2 :: Bit 1 {-# always_ready, result = LED2 #-}
- led3 :: Bit 1 {-# always_ready, result = LED3 #-}
- led4 :: Bit 1 {-# always_ready, result = LED4 #-}
- led5 :: Bit 1 {-# always_ready, result = LED5 #-}
- btn1 :: Bit 1 -> Action {-# always_enabled, always_ready, prefix = "", arg_names = [BTN1] #-}
- btn2 :: Bit 1 -> Action {-# always_enabled, always_ready, prefix = "", arg_names = [BTN2] #-}
- btn3 :: Bit 1 -> Action {-# always_enabled, always_ready, prefix = "", arg_names = [BTN3] #-}
+ led1 :: Bit 1 {-# always_ready, result = P2_7 #-}
+ led2 :: Bit 1 {-# always_ready, result = P2_1 #-}
+ led3 :: Bit 1 {-# always_ready, result = P2_2 #-}
+ led4 :: Bit 1 {-# always_ready, result = P2_8 #-}
+ led5 :: Bit 1 {-# always_ready, result = P2_3 #-}
+ btn1 :: Bit 1 -> Action {-# always_enabled, always_ready, prefix = "", arg_names = [P2_9] #-}
+ btn2 :: Bit 1 -> Action {-# always_enabled, always_ready, prefix = "", arg_names = [P2_4] #-}
+ btn3 :: Bit 1 -> Action {-# always_enabled, always_ready, prefix = "", arg_names = [P2_10] #-}
clockFreqHz :: Integer
clockFreqHz = 12_000_000
@@ -59,6 +59,15 @@ mkTop =
mkConnection cpu.uart_tx uart.send
mkConnection cpu.uart_rx uart.recv
+ hyperBus_data0 <- mkTriState True 1
+ hyperBus_data1 <- mkTriState True 1
+ hyperBus_data2 <- mkTriState True 1
+ hyperBus_data3 <- mkTriState True 1
+ hyperBus_data4 <- mkTriState True 1
+ hyperBus_data5 <- mkTriState True 1
+ hyperBus_data6 <- mkTriState True 1
+ hyperBus_data7 <- mkTriState True 1
+
interface Top
-- RS232
rx = uart.rxPin
@@ -79,6 +88,15 @@ mkTop =
hyperBus_CS1_N = 1
hyperBus_RESET_N = 1
hyperBus_RWDS _ = noAction
+ -- HyperBus 2 (PMOD 1B)
+ hyperBus_DQ0 = hyperBus_data0.io
+ hyperBus_DQ1 = hyperBus_data1.io
+ hyperBus_DQ2 = hyperBus_data2.io
+ hyperBus_DQ3 = hyperBus_data3.io
+ hyperBus_DQ4 = hyperBus_data4.io
+ hyperBus_DQ5 = hyperBus_data5.io
+ hyperBus_DQ6 = hyperBus_data6.io
+ hyperBus_DQ7 = hyperBus_data7.io
-- LEDs and buttons (PMOD 2)
led1 = 0
led2 = 0