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5f4d36825a
The ngPIXIS is a board-specific FPGA, but the definition of the registers is mostly consistent. On boards where it matter, register 9 is called 'brdcfg1' instead of 'dma', so rename the variable in the ngpixis_t definition. Signed-off-by: Timur Tabi <timur@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
/**
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* Copyright 2010 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 res1;
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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 res2[2];
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u8 data;
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u8 led;
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u8 res3;
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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[8];
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} ngpixis_t __attribute__ ((aligned(1)));
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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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