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  */
13 struct 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 
31 u8 cpld_read(unsigned int reg);
32 void cpld_write(unsigned int reg, u8 value);
33 void 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