diff options
Diffstat (limited to 'roms/u-boot/board/freescale/common/ngpixis.h')
| -rw-r--r-- | roms/u-boot/board/freescale/common/ngpixis.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/roms/u-boot/board/freescale/common/ngpixis.h b/roms/u-boot/board/freescale/common/ngpixis.h new file mode 100644 index 000000000..7a20ee015 --- /dev/null +++ b/roms/u-boot/board/freescale/common/ngpixis.h @@ -0,0 +1,60 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/** + * Copyright 2010-2011 Freescale Semiconductor + * Author: Timur Tabi <timur@freescale.com> + * + * 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) |