1 files changed, 98 insertions, 0 deletions
diff --git a/contrib/firmware/angie/c/src/gpif.c b/contrib/firmware/angie/c/src/gpif.c
new file mode 100644
index 0000000..80a9571
--- /dev/null
+++ b/contrib/firmware/angie/c/src/gpif.c
@@ -0,0 +1,98 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+/*
+  This program configures the General Programmable Interface (GPIF) for FX2.
+  Please do not modify sections of text which are marked as "DO NOT EDIT ...".
+*/
+
+/* GPIF Program Code */
+
+#include "reg_ezusb.h"
+#include "delay.h"
+
+/****************************** GPIF PROGRAM CODE ********************************/
+/* DO NOT EDIT ... */
+const char wavedata[128] = {
+/* Wave 0 */
+/* LenBr */ 0x01,     0x3F,     0x01,     0x01,     0x01,     0x01,     0x01,     0x07,
+/* Opcode*/ 0x02,     0x07,     0x02,     0x02,     0x02,     0x02,     0x02,     0x00,
+/* Output*/ 0x04,     0x07,     0x07,     0x07,     0x07,     0x07,     0x07,     0x07,
+/* LFun  */ 0x00,     0x09,     0x00,     0x00,     0x00,     0x00,     0x00,     0x3F,
+/* Wave 1 */
+/* LenBr */ 0x88,     0x01,     0x3F,     0x01,     0x01,     0x01,     0x01,     0x07,
+/* Opcode*/ 0x01,     0x02,     0x05,     0x00,     0x00,     0x00,     0x00,     0x00,
+/* Output*/ 0x07,     0x05,     0x07,     0x07,     0x07,     0x07,     0x07,     0x07,
+/* LFun  */ 0x09,     0x00,     0x09,     0x00,     0x00,     0x00,     0x00,     0x3F,
+/* Wave 2 */
+/* LenBr */ 0x01,     0x01,     0x01,     0x01,     0x01,     0x01,     0x01,     0x07,
+/* Opcode*/ 0x00,     0x00,     0x00,     0x00,     0x00,     0x00,     0x00,     0x00,
+/* Output*/ 0x07,     0x07,     0x07,     0x07,     0x07,     0x07,     0x07,     0x07,
+/* LFun  */ 0x00,     0x00,     0x00,     0x00,     0x00,     0x00,     0x00,     0x3F,
+/* Wave 3 */
+/* LenBr */ 0x01,     0x01,     0x01,     0x01,     0x01,     0x01,     0x01,     0x07,
+/* Opcode*/ 0x00,     0x00,     0x00,     0x00,     0x00,     0x00,     0x00,     0x00,
+/* Output*/ 0x07,     0x07,     0x07,     0x07,     0x07,     0x07,     0x07,     0x07,
+/* LFun  */ 0x00,     0x00,     0x00,     0x00,     0x00,     0x00,     0x00,     0x3F,
+};
+/* END DO NOT EDIT */
+
+/* DO NOT EDIT ... */
+const char flowstates[36] = {
+/* Wave 0 flowstates */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/* Wave 1 flowstates */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/* Wave 2 flowstates */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/* Wave 3 flowstates */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+};
+/* END DO NOT EDIT */
+
+/* DO NOT EDIT ... */
+const char initdata[7] = {
+/* Regs  */ 0xE0, 0x00, 0x00, 0x07, 0xEE, 0xF2, 0x00
+};
+/* END DO NOT EDIT */
+
+void gpif_init(void)
+{
+	uint8_t i;
+
+	IFCONFIG = 0xEE;
+
+	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;
+
+	/* source */
+	AUTOPTRH1 = (uint8_t)(((uint16_t)(&wavedata) >> 8) & 0xff);
+	AUTOPTRL1 = (uint8_t)((uint16_t)(&wavedata) & 0xff);
+
+	/* destination */
+	AUTOPTRH2 = 0xE4;
+	AUTOPTRL2 = 0x00;
+
+	/* transfer */
+	for (i = 0x00; i < 128; i++)
+		EXTAUTODAT2 = EXTAUTODAT1;
+
+	/* GPIF address pins update when GPIFADRH/L written */
+	syncdelay(3);
+	GPIFADRH = 0x00;    /* bits[7:1] always 0 */
+	syncdelay(3);
+	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];
+}