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Diffstat (limited to 'board/davedenx/qong/fpga.c')
-rw-r--r--board/davedenx/qong/fpga.c95
1 files changed, 95 insertions, 0 deletions
diff --git a/board/davedenx/qong/fpga.c b/board/davedenx/qong/fpga.c
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+++ b/board/davedenx/qong/fpga.c
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+/*
+ * (C) Copyright 2010
+ * Stefano Babic, DENX Software Engineering, sbabic@denx.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 <asm/arch/mx31.h>
+#include <asm/arch/mx31-regs.h>
+#include <mxc_gpio.h>
+#include <fpga.h>
+#include <lattice.h>
+#include "qong_fpga.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#if defined(CONFIG_FPGA)
+
+static void qong_jtag_init(void)
+{
+ return;
+}
+
+static void qong_fpga_jtag_set_tdi(int value)
+{
+ mxc_gpio_set(QONG_FPGA_TDI_PIN, value);
+}
+
+static void qong_fpga_jtag_set_tms(int value)
+{
+ mxc_gpio_set(QONG_FPGA_TMS_PIN, value);
+}
+
+static void qong_fpga_jtag_set_tck(int value)
+{
+ mxc_gpio_set(QONG_FPGA_TCK_PIN, value);
+}
+
+static int qong_fpga_jtag_get_tdo(void)
+{
+ return mxc_gpio_get(QONG_FPGA_TDO_PIN);
+}
+
+lattice_board_specific_func qong_fpga_fns = {
+ qong_jtag_init,
+ qong_fpga_jtag_set_tdi,
+ qong_fpga_jtag_set_tms,
+ qong_fpga_jtag_set_tck,
+ qong_fpga_jtag_get_tdo
+};
+
+Lattice_desc qong_fpga[CONFIG_FPGA_COUNT] = {
+ {
+ Lattice_XP2,
+ lattice_jtag_mode,
+ 356519,
+ (void *) &qong_fpga_fns,
+ NULL,
+ 0,
+ "lfxp2_5e_ftbga256"
+ },
+};
+
+int qong_fpga_init(void)
+{
+ int i;
+
+ fpga_init();
+
+ for (i = 0; i < CONFIG_FPGA_COUNT; i++) {
+ fpga_add(fpga_lattice, &qong_fpga[i]);
+ }
+ return 0;
+}
+
+#endif
+