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Diffstat (limited to 'board/davedenx/qong/fpga.c')
| -rw-r--r-- | board/davedenx/qong/fpga.c | 95 | 
1 files changed, 95 insertions, 0 deletions
| diff --git a/board/davedenx/qong/fpga.c b/board/davedenx/qong/fpga.c new file mode 100644 index 000000000..f865eb422 --- /dev/null +++ b/board/davedenx/qong/fpga.c @@ -0,0 +1,95 @@ +/* + * (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 + |