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/*
* SDK7786 FPGA Support.
*
* Copyright (C) 2010 Paul Mundt
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#include <linux/init.h>
#include <linux/io.h>
#include <linux/bcd.h>
#include <mach/fpga.h>
#define FPGA_REGS_BASE 0x07fff800
#define FPGA_REGS_SIZE 0x490
void __iomem *sdk7786_fpga_base;
void __init sdk7786_fpga_init(void)
{
u16 version, date;
sdk7786_fpga_base = ioremap_nocache(FPGA_REGS_BASE, FPGA_REGS_SIZE);
if (unlikely(!sdk7786_fpga_base)) {
panic("FPGA remapping failed.\n");
return;
}
version = fpga_read_reg(FPGAVR);
date = fpga_read_reg(FPGADR);
pr_info("\tFPGA version:\t%d.%d (built on %d/%d/%d)\n",
bcd2bin(version >> 8) & 0xf, bcd2bin(version & 0xf),
((date >> 12) & 0xf) + 2000,
(date >> 8) & 0xf, bcd2bin(date & 0xff));
}
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