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- /**
- * Copyright 2010-2011 Freescale Semiconductor
- * Author: Timur Tabi <timur@freescale.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- *
- * This file provides support for the ngPIXIS, a board-specific FPGA used on
- * some Freescale reference boards.
- */
- /* ngPIXIS register set. Hopefully, this won't change too much over time.
- * Feel free to add board-specific #ifdefs where necessary.
- */
- typedef struct ngpixis {
- u8 id;
- u8 arch;
- u8 scver;
- u8 csr;
- u8 rst;
- u8 serclk;
- u8 aux;
- u8 spd;
- u8 brdcfg0;
- u8 brdcfg1; /* On some boards, this register is called 'dma' */
- u8 addr;
- u8 brdcfg2;
- u8 gpiodir;
- u8 data;
- u8 led;
- u8 tag;
- u8 vctl;
- u8 vstat;
- u8 vcfgen0;
- u8 res4;
- u8 ocmcsr;
- u8 ocmmsg;
- u8 gmdbg;
- u8 res5[2];
- u8 sclk[3];
- u8 dclk[3];
- u8 watch;
- struct {
- u8 sw;
- u8 en;
- } s[9]; /* s[0]..s[7] is SW1..SW8, and s[8] is SW11 */
- } __attribute__ ((packed)) ngpixis_t;
- /* Pointer to the PIXIS register set */
- #define pixis ((ngpixis_t *)PIXIS_BASE)
- /* The PIXIS SW register that corresponds to board switch X, where x >= 1 */
- #define PIXIS_SW(x) (pixis->s[(x) - 1].sw)
- /* The PIXIS EN register that corresponds to board switch X, where x >= 1 */
- #define PIXIS_EN(x) (pixis->s[(x) - 1].en)
- u8 pixis_read(unsigned int reg);
- void pixis_write(unsigned int reg, u8 value);
- #define PIXIS_READ(reg) pixis_read(offsetof(ngpixis_t, reg))
- #define PIXIS_WRITE(reg, value) pixis_write(offsetof(ngpixis_t, reg), value)
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