1 files changed, 112 insertions, 0 deletions
diff --git a/roms/u-boot/board/matrix_vision/mvsmr/fpga.c b/roms/u-boot/board/matrix_vision/mvsmr/fpga.c
new file mode 100644
index 00000000..51899257
--- /dev/null
+++ b/roms/u-boot/board/matrix_vision/mvsmr/fpga.c
@@ -0,0 +1,112 @@
+/*
+ * (C) Copyright 2002
+ * Rich Ireland, Enterasys Networks, rireland@enterasys.com.
+ * Keith Outwater, keith_outwater@mvis.com.
+ *
+ * (C) Copyright 2010
+ * Andre Schwarz, Matrix Vision GmbH, andre.schwarz@matrix-vision.de
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <spartan3.h>
+#include <command.h>
+#include <asm/io.h>
+#include "fpga.h"
+#include "mvsmr.h"
+
+xilinx_spartan3_slave_serial_fns fpga_fns = {
+	fpga_pre_config_fn,
+	fpga_pgm_fn,
+	fpga_clk_fn,
+	fpga_init_fn,
+	fpga_done_fn,
+	fpga_wr_fn,
+	0
+};
+
+xilinx_desc spartan3 = {
+	xilinx_spartan2,
+	slave_serial,
+	XILINX_XC3S200_SIZE,
+	(void *) &fpga_fns,
+	0,
+};
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int mvsmr_init_fpga(void)
+{
+	fpga_init();
+	fpga_add(fpga_xilinx, &spartan3);
+
+	return 1;
+}
+
+int fpga_init_fn(int cookie)
+{
+	struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio *)MPC5XXX_GPIO;
+
+	if (in_be32(&gpio->simple_ival) & FPGA_CONFIG)
+		return 0;
+
+	return 1;
+}
+
+int fpga_done_fn(int cookie)
+{
+	struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio *)MPC5XXX_GPIO;
+	int result = 0;
+
+	udelay(10);
+	if (in_be32(&gpio->simple_ival) & FPGA_DONE)
+		result = 1;
+
+	return result;
+}
+
+int fpga_pgm_fn(int assert, int flush, int cookie)
+{
+	struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio *)MPC5XXX_GPIO;
+
+	if (!assert)
+		setbits_8(&gpio->sint_dvo, FPGA_STATUS);
+	else
+		clrbits_8(&gpio->sint_dvo, FPGA_STATUS);
+
+	return assert;
+}
+
+int fpga_clk_fn(int assert_clk, int flush, int cookie)
+{
+	struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio *)MPC5XXX_GPIO;
+
+	if (assert_clk)
+		setbits_be32(&gpio->simple_dvo, FPGA_CCLK);
+	else
+		clrbits_be32(&gpio->simple_dvo, FPGA_CCLK);
+
+	return assert_clk;
+}
+
+int fpga_wr_fn(int assert_write, int flush, int cookie)
+{
+	struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio *)MPC5XXX_GPIO;
+
+	if (assert_write)
+		setbits_be32(&gpio->simple_dvo, FPGA_DIN);
+	else
+		clrbits_be32(&gpio->simple_dvo, FPGA_DIN);
+
+	return assert_write;
+}
+
+int fpga_pre_config_fn(int cookie)
+{
+	struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio *)MPC5XXX_GPIO;
+
+	setbits_8(&gpio->sint_dvo, FPGA_STATUS);
+
+	return 0;
+}