1/* 2 * Copyright 2015 Freescale Semiconductor 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7#ifndef __CPLD_H__ 8#define __CPLD_H__ 9 10/* 11 * CPLD register set of LS1043ARDB board-specific. 12 */ 13struct cpld_data { 14 u8 cpld_ver; /* 0x0 - CPLD Major Revision Register */ 15 u8 cpld_ver_sub; /* 0x1 - CPLD Minor Revision Register */ 16 u8 pcba_ver; /* 0x2 - PCBA Revision Register */ 17 u8 system_rst; /* 0x3 - system reset register */ 18 u8 soft_mux_on; /* 0x4 - Switch Control Enable Register */ 19 u8 cfg_rcw_src1; /* 0x5 - Reset config word 1 */ 20 u8 cfg_rcw_src2; /* 0x6 - Reset config word 1 */ 21 u8 vbank; /* 0x7 - Flash bank selection Control */ 22 u8 sysclk_sel; /* 0x8 - */ 23 u8 uart_sel; /* 0x9 - */ 24 u8 sd1refclk_sel; /* 0xA - */ 25 u8 tdmclk_mux_sel; /* 0xB - */ 26 u8 sdhc_spics_sel; /* 0xC - */ 27 u8 status_led; /* 0xD - */ 28 u8 global_rst; /* 0xE - */ 29}; 30 31u8 cpld_read(unsigned int reg); 32void cpld_write(unsigned int reg, u8 value); 33void cpld_rev_bit(unsigned char *value); 34 35#define CPLD_READ(reg) cpld_read(offsetof(struct cpld_data, reg)) 36#define CPLD_WRITE(reg, value) \ 37 cpld_write(offsetof(struct cpld_data, reg), value) 38 39/* CPLD on IFC */ 40#define CPLD_SW_MUX_BANK_SEL 0x40 41#define CPLD_BANK_SEL_MASK 0x07 42#define CPLD_BANK_SEL_ALTBANK 0x04 43#define CPLD_CFG_RCW_SRC_NOR 0x025 44#define CPLD_CFG_RCW_SRC_NAND 0x106 45#define CPLD_CFG_RCW_SRC_SD 0x040 46#endif 47