xref: /openbmc/u-boot/board/freescale/t104xrdb/cpld.h (revision b9553986)
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /**
3  * Copyright 2013 Freescale Semiconductor
4  *
5  * This file provides support for the ngPIXIS, a board-specific FPGA used on
6  * some Freescale reference boards.
7  */
8 
9 /*
10  * CPLD register set. Feel free to add board-specific #ifdefs where necessary.
11  */
12 struct cpld_data {
13 	u8 cpld_ver;		/* 0x00 - CPLD Major Revision Register */
14 	u8 cpld_ver_sub;	/* 0x01 - CPLD Minor Revision Register */
15 	u8 hw_ver;		/* 0x02 - Hardware Revision Register */
16 	u8 sw_ver;		/* 0x03 - Software Revision register */
17 	u8 res0[12];		/* 0x04 - 0x0F - not used */
18 	u8 reset_ctl1;		/* 0x10 - Reset control Register1 */
19 	u8 reset_ctl2;		/* 0x11 - Reset control Register2 */
20 	u8 int_status;		/* 0x12 - Interrupt status Register */
21 	u8 flash_ctl_status;	/* 0x13 - Flash control and status register */
22 	u8 fan_ctl_status;	/* 0x14 - Fan control and status register  */
23 #if defined(CONFIG_TARGET_T1040D4RDB) || defined(CONFIG_TARGET_T1042D4RDB)
24 	u8 int_mask;		/* 0x15 - Interrupt mask Register */
25 #else
26 	u8 led_ctl_status;	/* 0x15 - LED control and status register */
27 #endif
28 	u8 sfp_ctl_status;	/* 0x16 - SFP control and status register  */
29 	u8 misc_ctl_status;	/* 0x17 - Miscellanies ctrl & status register*/
30 	u8 boot_override;	/* 0x18 - Boot override register */
31 	u8 boot_config1;	/* 0x19 - Boot config override register*/
32 	u8 boot_config2;	/* 0x1A - Boot config override register*/
33 } cpld_data_t;
34 
35 
36 /* Pointer to the CPLD register set */
37 
38 u8 cpld_read(unsigned int reg);
39 void cpld_write(unsigned int reg, u8 value);
40 
41 #define CPLD_READ(reg) cpld_read(offsetof(struct cpld_data, reg))
42 #define CPLD_WRITE(reg, value)\
43 		cpld_write(offsetof(struct cpld_data, reg), value)
44 #define MISC_CTL_SG_SEL		0x80
45 #define MISC_CTL_AURORA_SEL	0x02
46 #define MISC_MUX_QE_TDM		0xc0
47