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git01.mediatek.com / filogic / uboot / e38209e35f2c29f017b59d7160f8c9c5c58c25bc / . / board / freescale / common / ngpixis.h
blob: 1d4483d8b9d21cce33b01a48476538dbbf457154 [file] [log] [blame]
Timur Tabi4f332d22010-04-01 10:49:42 -0500[diff] [blame]1/**
Timur Tabi746e2f32011-01-21 16:03:57 -0600[diff] [blame]2 * Copyright 2010-2011 Freescale Semiconductor
Timur Tabi4f332d22010-04-01 10:49:42 -0500[diff] [blame]3 * Author: Timur Tabi <timur@freescale.com>
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the Free
7 * Software Foundation; either version 2 of the License, or (at your option)
8 * any later version.
9 *
10 * This file provides support for the ngPIXIS, a board-specific FPGA used on
11 * some Freescale reference boards.
12 */
13
14/* ngPIXIS register set. Hopefully, this won't change too much over time.
15 * Feel free to add board-specific #ifdefs where necessary.
16 */
17typedef struct ngpixis {
18 u8 id;
19 u8 arch;
20 u8 scver;
21 u8 csr;
22 u8 rst;
Kumar Galae38209e2011-02-09 02:00:08 +0000[diff] [blame^]23 u8 serclk;
Timur Tabi4f332d22010-04-01 10:49:42 -0500[diff] [blame]24 u8 aux;
25 u8 spd;
26 u8 brdcfg0;
Timur Tabi00072362010-05-20 11:16:16 -0500[diff] [blame]27 u8 brdcfg1; /* On some boards, this register is called 'dma' */
Timur Tabi4f332d22010-04-01 10:49:42 -0500[diff] [blame]28 u8 addr;
Kumar Galae38209e2011-02-09 02:00:08 +0000[diff] [blame^]29 u8 brdcfg2;
30 u8 gpiodir;
Timur Tabi4f332d22010-04-01 10:49:42 -0500[diff] [blame]31 u8 data;
32 u8 led;
Kumar Galae38209e2011-02-09 02:00:08 +0000[diff] [blame^]33 u8 tag;
Timur Tabi4f332d22010-04-01 10:49:42 -0500[diff] [blame]34 u8 vctl;
35 u8 vstat;
36 u8 vcfgen0;
37 u8 res4;
38 u8 ocmcsr;
39 u8 ocmmsg;
40 u8 gmdbg;
41 u8 res5[2];
42 u8 sclk[3];
43 u8 dclk[3];
44 u8 watch;
45 struct {
46 u8 sw;
47 u8 en;
48 } s[8];
Kumar Galaf2f5d7b2010-05-22 17:25:47 -0500[diff] [blame]49} __attribute__ ((packed)) ngpixis_t;
Timur Tabi4f332d22010-04-01 10:49:42 -0500[diff] [blame]50
51/* Pointer to the PIXIS register set */
52#define pixis ((ngpixis_t *)PIXIS_BASE)
53
54/* The PIXIS SW register that corresponds to board switch X, where x >= 1 */
55#define PIXIS_SW(x) (pixis->s[(x) - 1].sw)
56
57/* The PIXIS EN register that corresponds to board switch X, where x >= 1 */
58#define PIXIS_EN(x) (pixis->s[(x) - 1].en)
Timur Tabi746e2f32011-01-21 16:03:57 -0600[diff] [blame]59
60u8 pixis_read(unsigned int reg);
61void pixis_write(unsigned int reg, u8 value);
62
63#define PIXIS_READ(reg) pixis_read(offsetof(ngpixis_t, reg))
64#define PIXIS_WRITE(reg, value) pixis_write(offsetof(ngpixis_t, reg), value)