uboot-phytec

// SPDX-License-Identifier: GPL-2.0+

/*

 * (C) Copyright 2002

 * Rich Ireland, Enterasys Networks, rireland@enterasys.com.

 */

​

#include <common.h>     /* core U-Boot definitions */

#include <spartan2.h>       /* Spartan-II device family */

​

/* Define FPGA_DEBUG to get debug printf's */

#ifdef  FPGA_DEBUG

#define PRINTF(fmt,args...) printf (fmt ,##args)

#else

#define PRINTF(fmt,args...)

#endif

​

#undef CONFIG_SYS_FPGA_CHECK_BUSY

#undef CONFIG_SYS_FPGA_PROG_FEEDBACK

​

/* Note: The assumption is that we cannot possibly run fast enough to

 * overrun the device (the Slave Parallel mode can free run at 50MHz).

 * If there is a need to operate slower, define CONFIG_FPGA_DELAY in

 * the board config file to slow things down.

 */

#ifndef CONFIG_FPGA_DELAY

#define CONFIG_FPGA_DELAY()

#endif

​

#ifndef CONFIG_SYS_FPGA_WAIT

#define CONFIG_SYS_FPGA_WAIT CONFIG_SYS_HZ/100  /* 10 ms */

#endif

​

static int spartan2_sp_load(xilinx_desc *desc, const void *buf, size_t bsize);

static int spartan2_sp_dump(xilinx_desc *desc, const void *buf, size_t bsize);

/* static int spartan2_sp_info(xilinx_desc *desc ); */

​

static int spartan2_ss_load(xilinx_desc *desc, const void *buf, size_t bsize);

static int spartan2_ss_dump(xilinx_desc *desc, const void *buf, size_t bsize);

/* static int spartan2_ss_info(xilinx_desc *desc ); */

​

/* ------------------------------------------------------------------------- */

/* Spartan-II Generic Implementation */

static int spartan2_load(xilinx_desc *desc, const void *buf, size_t bsize,

             bitstream_type bstype)

{

    int ret_val = FPGA_FAIL;

​

    switch (desc->iface) {

    case slave_serial:

        PRINTF ("%s: Launching Slave Serial Load\n", __FUNCTION__);

        ret_val = spartan2_ss_load(desc, buf, bsize);

        break;

​

    case slave_parallel:

        PRINTF ("%s: Launching Slave Parallel Load\n", __FUNCTION__);

        ret_val = spartan2_sp_load(desc, buf, bsize);

        break;

​

    default:

        printf ("%s: Unsupported interface type, %d\n",

                __FUNCTION__, desc->iface);

    }

​