diff options
Diffstat (limited to 'qemu/roms/u-boot/board/davedenx/qong/fpga.c')
-rw-r--r-- | qemu/roms/u-boot/board/davedenx/qong/fpga.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/davedenx/qong/fpga.c b/qemu/roms/u-boot/board/davedenx/qong/fpga.c new file mode 100644 index 000000000..2eaad1e97 --- /dev/null +++ b/qemu/roms/u-boot/board/davedenx/qong/fpga.c @@ -0,0 +1,77 @@ +/* + * (C) Copyright 2010 + * Stefano Babic, DENX Software Engineering, sbabic@denx.de + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/arch/clock.h> +#include <asm/arch/imx-regs.h> +#include <asm/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) +{ + gpio_set_value(QONG_FPGA_TDI_PIN, value); +} + +static void qong_fpga_jtag_set_tms(int value) +{ + gpio_set_value(QONG_FPGA_TMS_PIN, value); +} + +static void qong_fpga_jtag_set_tck(int value) +{ + gpio_set_value(QONG_FPGA_TCK_PIN, value); +} + +static int qong_fpga_jtag_get_tdo(void) +{ + return gpio_get_value(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 |