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Diffstat (limited to 'board/matrix_vision/mvsmr/fpga.c')
-rw-r--r--board/matrix_vision/mvsmr/fpga.c129
1 files changed, 129 insertions, 0 deletions
diff --git a/board/matrix_vision/mvsmr/fpga.c b/board/matrix_vision/mvsmr/fpga.c
new file mode 100644
index 0000000..6320a69
--- /dev/null
+++ b/board/matrix_vision/mvsmr/fpga.c
@@ -0,0 +1,129 @@
+/*
+ * (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
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+
+#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;
+}