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d31e53b42c
The P5040DS reference board (a.k.a "Superhydra") is an enhanced version of
P3041DS/P5020DS ("Hydra") reference board.
Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
64 lines
1.6 KiB
C
64 lines
1.6 KiB
C
/**
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* Copyright 2010-2011 Freescale Semiconductor
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* Author: Timur Tabi <timur@freescale.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This file provides support for the ngPIXIS, a board-specific FPGA used on
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* some Freescale reference boards.
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*/
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/* ngPIXIS register set. Hopefully, this won't change too much over time.
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* Feel free to add board-specific #ifdefs where necessary.
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*/
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typedef struct ngpixis {
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u8 id;
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u8 arch;
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u8 scver;
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u8 csr;
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u8 rst;
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u8 serclk;
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u8 aux;
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u8 spd;
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u8 brdcfg0;
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u8 brdcfg1; /* On some boards, this register is called 'dma' */
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u8 addr;
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u8 brdcfg2;
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u8 gpiodir;
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u8 data;
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u8 led;
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u8 tag;
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u8 vctl;
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u8 vstat;
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u8 vcfgen0;
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u8 res4;
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u8 ocmcsr;
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u8 ocmmsg;
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u8 gmdbg;
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u8 res5[2];
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u8 sclk[3];
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u8 dclk[3];
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u8 watch;
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struct {
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u8 sw;
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u8 en;
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} s[9]; /* s[0]..s[7] is SW1..SW8, and s[8] is SW11 */
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} __attribute__ ((packed)) ngpixis_t;
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/* Pointer to the PIXIS register set */
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#define pixis ((ngpixis_t *)PIXIS_BASE)
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/* The PIXIS SW register that corresponds to board switch X, where x >= 1 */
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#define PIXIS_SW(x) (pixis->s[(x) - 1].sw)
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/* The PIXIS EN register that corresponds to board switch X, where x >= 1 */
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#define PIXIS_EN(x) (pixis->s[(x) - 1].en)
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u8 pixis_read(unsigned int reg);
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void pixis_write(unsigned int reg, u8 value);
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#define PIXIS_READ(reg) pixis_read(offsetof(ngpixis_t, reg))
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#define PIXIS_WRITE(reg, value) pixis_write(offsetof(ngpixis_t, reg), value)
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