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