zynqpl.c

/*
 * (C) Copyright 2012-2013, Xilinx, Michal Simek
 *
 * (C) Copyright 2012
 * Joe Hershberger <joe.hershberger@ni.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <asm/io.h>
#include <fs.h>
#include <zynqpl.h>
#include <linux/sizes.h>
#include <asm/arch/hardware.h>
#include <asm/arch/sys_proto.h>

#define DEVCFG_CTRL_PCFG_PROG_B		0x40000000
#define DEVCFG_ISR_FATAL_ERROR_MASK	0x00740040
#define DEVCFG_ISR_ERROR_FLAGS_MASK	0x00340840
#define DEVCFG_ISR_RX_FIFO_OV		0x00040000
#define DEVCFG_ISR_DMA_DONE		0x00002000
#define DEVCFG_ISR_PCFG_DONE		0x00000004
#define DEVCFG_STATUS_DMA_CMD_Q_F	0x80000000
#define DEVCFG_STATUS_DMA_CMD_Q_E	0x40000000
#define DEVCFG_STATUS_DMA_DONE_CNT_MASK	0x30000000
#define DEVCFG_STATUS_PCFG_INIT		0x00000010
#define DEVCFG_MCTRL_PCAP_LPBK		0x00000010
#define DEVCFG_MCTRL_RFIFO_FLUSH	0x00000002
#define DEVCFG_MCTRL_WFIFO_FLUSH	0x00000001

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

#ifndef CONFIG_SYS_FPGA_PROG_TIME
#define CONFIG_SYS_FPGA_PROG_TIME	(CONFIG_SYS_HZ * 4) /* 4 s */
#endif

static int zynq_info(xilinx_desc *desc)
{
	return FPGA_SUCCESS;
}

#define DUMMY_WORD	0xffffffff

/* Xilinx binary format header */
static const u32 bin_format[] = {
	DUMMY_WORD, /* Dummy words */
	DUMMY_WORD,
	DUMMY_WORD,
	DUMMY_WORD,
	DUMMY_WORD,
	DUMMY_WORD,
	DUMMY_WORD,
	DUMMY_WORD,
	0x000000bb, /* Sync word */
	0x11220044, /* Sync word */
	DUMMY_WORD,
	DUMMY_WORD,
	0xaa995566, /* Sync word */
};

#define SWAP_NO		1
#define SWAP_DONE	2

/*
 * Load the whole word from unaligned buffer
 * Keep in your mind that it is byte loading on little-endian system
 */