u-boot/board/freescale/t104xrdb/cpld.h
Prabhakar Kushwaha 55153d6c30 board/t104xrdb: Add support of CPLD
T1040RDB and T1042RDB_PI has CPLD. Here CPLD controls board mux/features.

This support of CPLD includes
 - files and register defintion
 - Commands to swtich alternate bank and default bank

Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
2014-04-22 17:58:48 -07:00

40 lines
1.5 KiB
C

/**
* Copyright 2013 Freescale Semiconductor
*
* SPDX-License-Identifier: GPL-2.0+
*
* This file provides support for the ngPIXIS, a board-specific FPGA used on
* some Freescale reference boards.
*/
/*
* CPLD register set. Feel free to add board-specific #ifdefs where necessary.
*/
struct cpld_data {
u8 cpld_ver; /* 0x00 - CPLD Major Revision Register */
u8 cpld_ver_sub; /* 0x01 - CPLD Minor Revision Register */
u8 hw_ver; /* 0x02 - Hardware Revision Register */
u8 sw_ver; /* 0x03 - Software Revision register */
u8 res0[12]; /* 0x04 - 0x0F - not used */
u8 reset_ctl1; /* 0x10 - Reset control Register1 */
u8 reset_ctl2; /* 0x11 - Reset control Register2 */
u8 int_status; /* 0x12 - Interrupt status Register */
u8 flash_ctl_status; /* 0x13 - Flash control and status register */
u8 fan_ctl_status; /* 0x14 - Fan control and status register */
u8 led_ctl_status; /* 0x15 - LED control and status register */
u8 sfp_ctl_status; /* 0x16 - SFP control and status register */
u8 misc_ctl_status; /* 0x17 - Miscellanies ctrl & status register*/
u8 boot_override; /* 0x18 - Boot override register */
u8 boot_config1; /* 0x19 - Boot config override register*/
u8 boot_config2; /* 0x1A - Boot config override register*/
} cpld_data_t;
/* Pointer to the CPLD register set */
u8 cpld_read(unsigned int reg);
void cpld_write(unsigned int reg, u8 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)