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| author | Josh Blum <josh@joshknows.com> | 2011-06-15 14:50:02 -0700 |
|---|---|---|
| committer | Josh Blum <josh@joshknows.com> | 2011-06-15 14:50:02 -0700 |
| commit | 0cef788d3d34a298c975e32c488e800a5c65ccce (patch) | |
| tree | 14b7f4242a28927b1701a73a3e8ec0df3fa04811 /firmware/fx2/b100/gpif.c | |
| parent | 7951170c6161d9266726ec19e8c009500cf11f75 (diff) | |
| parent | 27f1622d439ceb787e7dada733d0eb82270c5532 (diff) | |
| download | uhd-0cef788d3d34a298c975e32c488e800a5c65ccce.tar.gz uhd-0cef788d3d34a298c975e32c488e800a5c65ccce.tar.bz2 uhd-0cef788d3d34a298c975e32c488e800a5c65ccce.zip | |
Merge branch 'next'
Diffstat (limited to 'firmware/fx2/b100/gpif.c')
| -rw-r--r-- | firmware/fx2/b100/gpif.c | 292 |
1 files changed, 292 insertions, 0 deletions
diff --git a/firmware/fx2/b100/gpif.c b/firmware/fx2/b100/gpif.c new file mode 100644 index 000000000..b499e4fcf --- /dev/null +++ b/firmware/fx2/b100/gpif.c @@ -0,0 +1,292 @@ +// This program configures the General Programmable Interface (GPIF) for FX2.
+// Please do not modify sections of text which are marked as "DO NOT EDIT ...".
+//
+// DO NOT EDIT ...
+// GPIF Initialization
+// Interface Timing Async
+// Internal Ready Init IntRdy=1
+// CTL Out Tristate-able Binary
+// SingleWrite WF Select 1
+// SingleRead WF Select 0
+// FifoWrite WF Select 3
+// FifoRead WF Select 2
+// Data Bus Idle Drive Tristate
+// END DO NOT EDIT
+
+// DO NOT EDIT ...
+// GPIF Wave Names
+// Wave 0 = singlerd
+// Wave 1 = singlewr
+// Wave 2 = FIFORd
+// Wave 3 = FIFOWr
+
+// GPIF Ctrl Outputs Level
+// CTL 0 = WEN# CMOS
+// CTL 1 = REN# CMOS
+// CTL 2 = OE# CMOS
+// CTL 3 = EP CMOS
+// CTL 4 = unused CMOS
+// CTL 5 = unused CMOS
+
+// GPIF Rdy Inputs
+// RDY0 = EF#
+// RDY1 = FF#
+// RDY2 = DRDY
+// RDY3 = CRDY
+// RDY4 = unused
+// RDY5 = TCXpire
+// FIFOFlag = FIFOFlag
+// IntReady = IntReady
+// END DO NOT EDIT
+// DO NOT EDIT ...
+//
+// GPIF Waveform 0: singlerd
+//
+// Interval 0 1 2 3 4 5 6 Idle (7)
+// _________ _________ _________ _________ _________ _________ _________ _________
+//
+// AddrMode Same Val Same Val Same Val Same Val Same Val Same Val Same Val
+// DataMode NO Data NO Data NO Data NO Data NO Data NO Data NO Data
+// NextData SameData SameData SameData SameData SameData SameData SameData
+// Int Trig No Int No Int No Int No Int No Int No Int No Int
+// IF/Wait Wait 1 Wait 1 Wait 1 Wait 1 Wait 1 Wait 1 Wait 1
+// Term A
+// LFunc
+// Term B
+// Branch1
+// Branch0
+// Re-Exec
+// Sngl/CRC Default Default Default Default Default Default Default
+// WEN# 0 0 0 0 0 0 0 0
+// REN# 0 0 0 0 0 0 0 0
+// OE# 0 0 0 0 0 0 0 0
+// CLRST 0 0 0 0 0 0 0 0
+// unused 0 0 0 0 0 0 0 0
+// BOGUS 0 0 0 0 0 0 0 0
+//
+// END DO NOT EDIT
+// DO NOT EDIT ...
+//
+// GPIF Waveform 1: singlewr
+//
+// Interval 0 1 2 3 4 5 6 Idle (7)
+// _________ _________ _________ _________ _________ _________ _________ _________
+//
+// AddrMode Same Val Same Val Same Val Same Val Same Val Same Val Same Val
+// DataMode Activate Activate Activate Activate Activate Activate Activate
+// NextData SameData SameData SameData SameData SameData SameData SameData
+// Int Trig No Int No Int No Int No Int No Int No Int No Int
+// IF/Wait Wait 1 IF Wait 1 Wait 1 Wait 1 Wait 1 Wait 1
+// Term A EF#
+// LFunc AND
+// Term B EF#
+// Branch1 ThenIdle
+// Branch0 ElseIdle
+// Re-Exec No
+// Sngl/CRC Default Default Default Default Default Default Default
+// WEN# 0 1 1 1 1 1 1 0
+// REN# 0 0 0 0 0 0 0 0
+// OE# 0 0 0 0 0 0 0 0
+// CLRST 0 0 0 0 0 0 0 0
+// unused 0 0 0 0 0 0 0 0
+// BOGUS 0 0 0 0 0 0 0 0
+//
+// END DO NOT EDIT
+// DO NOT EDIT ...
+//
+// GPIF Waveform 2: FIFORd
+//
+// Interval 0 1 2 3 4 5 6 Idle (7)
+// _________ _________ _________ _________ _________ _________ _________ _________
+//
+// AddrMode Same Val Same Val Same Val Same Val Same Val Same Val Same Val
+// DataMode NO Data Activate NO Data NO Data NO Data NO Data NO Data
+// NextData SameData SameData SameData SameData SameData SameData SameData
+// Int Trig No Int No Int No Int No Int No Int No Int No Int
+// IF/Wait Wait 1 IF Wait 1 IF Wait 1 Wait 1 Wait 1
+// Term A TCXpire TCXpire
+// LFunc AND AND
+// Term B TCXpire TCXpire
+// Branch1 Then 2 ThenIdle
+// Branch0 Else 1 ElseIdle
+// Re-Exec No No
+// Sngl/CRC Default Default Default Default Default Default Default
+// WEN# 0 0 0 0 0 0 0 0
+// REN# 1 0 0 0 0 0 0 0
+// OE# 1 1 1 0 0 0 0 0
+// CLRST 0 0 0 0 0 0 0 0
+// unused 0 0 0 0 0 0 0 0
+// BOGUS 0 0 0 0 0 0 0 0
+//
+// END DO NOT EDIT
+// DO NOT EDIT ...
+//
+// GPIF Waveform 3: FIFOWr
+//
+// Interval 0 1 2 3 4 5 6 Idle (7)
+// _________ _________ _________ _________ _________ _________ _________ _________
+//
+// AddrMode Same Val Same Val Same Val Same Val Same Val Same Val Same Val
+// DataMode NO Data Activate Activate Activate Activate Activate Activate
+// NextData SameData SameData SameData SameData SameData SameData SameData
+// Int Trig No Int No Int No Int No Int No Int No Int No Int
+// IF/Wait Wait 1 IF Wait 1 Wait 1 Wait 1 Wait 1 Wait 1
+// Term A TCXpire
+// LFunc AND
+// Term B TCXpire
+// Branch1 ThenIdle
+// Branch0 Else 1
+// Re-Exec No
+// Sngl/CRC Default Default Default Default Default Default Default
+// WEN# 0 0 0 0 0 0 0 0
+// REN# 0 0 0 0 0 0 0 0
+// OE# 0 0 0 0 0 0 0 0
+// CLRST 0 0 0 0 0 0 0 0
+// unused 0 0 0 0 0 0 0 0
+// BOGUS 0 0 0 0 0 0 0 0
+//
+// END DO NOT EDIT
+
+// GPIF Program Code
+
+// DO NOT EDIT ...
+#include "fx2.h"
+#include "fx2regs.h"
+#include "fx2sdly.h" // SYNCDELAY macro
+// END DO NOT EDIT
+
+// DO NOT EDIT ...
+const char xdata WaveData[128] =
+{
+// Wave 0
+/* LenBr */ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x07,
+/* Opcode*/ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/* Output*/ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/* LFun */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3F,
+// Wave 1
+/* LenBr */ 0x01, 0x3F, 0x01, 0x01, 0x01, 0x01, 0x01, 0x07,
+/* Opcode*/ 0x22, 0x03, 0x02, 0x02, 0x02, 0x02, 0x02, 0x00,
+/* Output*/ 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00,
+/* LFun */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3F,
+// Wave 2
+/* LenBr */ 0x01, 0x11, 0x01, 0x3F, 0x01, 0x01, 0x01, 0x07,
+/* Opcode*/ 0x00, 0x03, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
+/* Output*/ 0x06, 0x04, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00,
+/* LFun */ 0x00, 0x2D, 0x00, 0x2D, 0x00, 0x00, 0x00, 0x3F,
+// Wave 3
+/* LenBr */ 0x01, 0x39, 0x01, 0x01, 0x01, 0x01, 0x01, 0x07,
+/* Opcode*/ 0x00, 0x03, 0x02, 0x02, 0x02, 0x02, 0x02, 0x00,
+/* Output*/ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/* LFun */ 0x00, 0x2D, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3F,
+};
+// END DO NOT EDIT
+
+// DO NOT EDIT ...
+const char xdata FlowStates[36] =
+{
+/* Wave 0 FlowStates */ 0x81,0x2D,0x0E,0x00,0x00,0x04,0x03,0x02,0x00,
+/* Wave 1 FlowStates */ 0x81,0x2D,0x09,0x00,0x00,0x04,0x03,0x02,0x00,
+/* Wave 2 FlowStates */ 0x81,0x2D,0x06,0x00,0x00,0x04,0x03,0x02,0x00,
+/* Wave 3 FlowStates */ 0x81,0x2D,0x01,0x00,0x00,0x04,0x03,0x02,0x00,
+};
+// END DO NOT EDIT
+
+// DO NOT EDIT ...
+const char xdata InitData[7] =
+{
+/* Regs */ 0xA0,0x00,0x00,0x00,0xEE,0x4E,0x00
+};
+// END DO NOT EDIT
+
+// TO DO: You may add additional code below.
+
+void GpifInit( void )
+{
+ BYTE i;
+
+ // Registers which require a synchronization delay, see section 15.14
+ // FIFORESET FIFOPINPOLAR
+ // INPKTEND OUTPKTEND
+ // EPxBCH:L REVCTL
+ // GPIFTCB3 GPIFTCB2
+ // GPIFTCB1 GPIFTCB0
+ // EPxFIFOPFH:L EPxAUTOINLENH:L
+ // EPxFIFOCFG EPxGPIFFLGSEL
+ // PINFLAGSxx EPxFIFOIRQ
+ // EPxFIFOIE GPIFIRQ
+ // GPIFIE GPIFADRH:L
+ // UDMACRCH:L EPxGPIFTRIG
+ // GPIFTRIG
+
+ // Note: The pre-REVE EPxGPIFTCH/L register are affected, as well...
+ // ...these have been replaced by GPIFTC[B3:B0] registers
+
+ // 8051 doesn't have access to waveform memories 'til
+ // the part is in GPIF mode.
+
+ IFCONFIG = 0xEE;
+ // IFCLKSRC=1 , FIFOs executes on internal clk source
+ // xMHz=1 , 48MHz internal clk rate
+ // IFCLKOE=0 , Don't drive IFCLK pin signal at 48MHz
+ // IFCLKPOL=0 , Don't invert IFCLK pin signal from internal clk
+ // ASYNC=1 , master samples asynchronous
+ // GSTATE=1 , Drive GPIF states out on PORTE[2:0], debug WF
+ // IFCFG[1:0]=10, FX2 in GPIF master mode
+
+ GPIFABORT = 0xFF; // abort any waveforms pending
+
+ GPIFREADYCFG = InitData[ 0 ];
+ GPIFCTLCFG = InitData[ 1 ];
+ GPIFIDLECS = InitData[ 2 ];
+ GPIFIDLECTL = InitData[ 3 ];
+ GPIFWFSELECT = InitData[ 5 ];
+ GPIFREADYSTAT = InitData[ 6 ];
+
+ // use dual autopointer feature...
+ AUTOPTRSETUP = 0x07; // inc both pointers,
+ // ...warning: this introduces pdata hole(s)
+ // ...at E67B (XAUTODAT1) and E67C (XAUTODAT2)
+
+ // source
+ AUTOPTRH1 = MSB( &WaveData );
+ AUTOPTRL1 = LSB( &WaveData );
+
+ // destination
+ AUTOPTRH2 = 0xE4;
+ AUTOPTRL2 = 0x00;
+
+ // transfer
+ for ( i = 0x00; i < 128; i++ )
+ {
+ EXTAUTODAT2 = EXTAUTODAT1;
+ }
+
+// Configure GPIF Address pins, output initial value,
+ PORTCCFG = 0xFF; // [7:0] as alt. func. GPIFADR[7:0]
+ OEC = 0xFF; // and as outputs
+ PORTECFG |= 0x80; // [8] as alt. func. GPIFADR[8]
+ OEE |= 0x80; // and as output
+
+// ...OR... tri-state GPIFADR[8:0] pins
+// PORTCCFG = 0x00; // [7:0] as port I/O
+// OEC = 0x00; // and as inputs
+// PORTECFG &= 0x7F; // [8] as port I/O
+// OEE &= 0x7F; // and as input
+
+// GPIF address pins update when GPIFADRH/L written
+ SYNCDELAY; //
+ GPIFADRH = 0x00; // bits[7:1] always 0
+ SYNCDELAY; //
+ GPIFADRL = 0x00; // point to PERIPHERAL address 0x0000
+
+// Configure GPIF FlowStates registers for Wave 0 of WaveData
+ FLOWSTATE = FlowStates[ 0 ];
+ FLOWLOGIC = FlowStates[ 1 ];
+ FLOWEQ0CTL = FlowStates[ 2 ];
+ FLOWEQ1CTL = FlowStates[ 3 ];
+ FLOWHOLDOFF = FlowStates[ 4 ];
+ FLOWSTB = FlowStates[ 5 ];
+ FLOWSTBEDGE = FlowStates[ 6 ];
+ FLOWSTBHPERIOD = FlowStates[ 7 ];
+}
+
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