xref: /rk3399_rockchip-uboot/board/freescale/ls1043ardb/cpld.h (revision dc557e9a1fe00ca9d884bd88feef5bebf23fede4)

/*
 * Copyright 2015 Freescale Semiconductor
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef __CPLD_H__
#define __CPLD_H__

/*
 * CPLD register set of LS1043ARDB board-specific.
 */
struct cpld_data {
	u8 cpld_ver;		/* 0x0 - CPLD Major Revision Register */
	u8 cpld_ver_sub;	/* 0x1 - CPLD Minor Revision Register */
	u8 pcba_ver;		/* 0x2 - PCBA Revision Register */
	u8 system_rst;		/* 0x3 - system reset register */
	u8 soft_mux_on;		/* 0x4 - Switch Control Enable Register */
	u8 cfg_rcw_src1;	/* 0x5 - Reset config word 1 */
	u8 cfg_rcw_src2;	/* 0x6 - Reset config word 1 */
	u8 vbank;		/* 0x7 - Flash bank selection Control */
	u8 sysclk_sel;		/* 0x8 - */
	u8 uart_sel;		/* 0x9 - */
	u8 sd1refclk_sel;	/* 0xA - */
	u8 tdmclk_mux_sel;	/* 0xB - */
	u8 sdhc_spics_sel;	/* 0xC - */
	u8 status_led;		/* 0xD - */
	u8 global_rst;		/* 0xE - */
};

u8 cpld_read(unsigned int reg);
void cpld_write(unsigned int reg, u8 value);
void cpld_rev_bit(unsigned char *value);

#define CPLD_READ(reg) cpld_read(offsetof(struct cpld_data, reg))
#define CPLD_WRITE(reg, value)  \
	cpld_write(offsetof(struct cpld_data, reg), value)

/* CPLD on IFC */
#define CPLD_SW_MUX_BANK_SEL	0x40
#define CPLD_BANK_SEL_MASK	0x07
#define CPLD_BANK_SEL_ALTBANK	0x04
#define CPLD_CFG_RCW_SRC_NOR	0x025
#define CPLD_CFG_RCW_SRC_NAND	0x106
#define CPLD_CFG_RCW_SRC_SD	0x040
#endif