xref: /openbmc/u-boot/board/freescale/t102xrdb/cpld.h (revision 8729d582)
1 /**
2  * Copyright 2014 Freescale Semiconductor
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  *
6  */
7 
8 struct cpld_data {
9 	u8 cpld_ver;		/* 0x00 - CPLD Major Revision Register */
10 	u8 cpld_ver_sub;	/* 0x01 - CPLD Minor Revision Register */
11 	u8 hw_ver;		/* 0x02 - Hardware Revision Register */
12 	u8 sw_ver;		/* 0x03 - Software Revision register */
13 	u8 res0[12];		/* 0x04 - 0x0F - not used */
14 	u8 reset_ctl1;		/* 0x10 - Reset control Register1 */
15 	u8 reset_ctl2;		/* 0x11 - Reset control Register2 */
16 	u8 int_status;		/* 0x12 - Interrupt status Register */
17 	u8 flash_csr;		/* 0x13 - Flash control and status register */
18 	u8 fan_ctl_status;	/* 0x14 - Fan control and status register  */
19 	u8 led_ctl_status;	/* 0x15 - LED control and status register */
20 	u8 sfp_ctl_status;	/* 0x16 - SFP control and status register  */
21 	u8 misc_ctl_status;	/* 0x17 - Miscellanies ctrl & status register*/
22 	u8 boot_override;	/* 0x18 - Boot override register */
23 	u8 boot_config1;	/* 0x19 - Boot config override register*/
24 	u8 boot_config2;	/* 0x1A - Boot config override register*/
25 } cpld_data_t;
26 
27 
28 /* Pointer to the CPLD register set */
29 
30 u8 cpld_read(unsigned int reg);
31 void cpld_write(unsigned int reg, u8 value);
32 
33 #define CPLD_READ(reg) cpld_read(offsetof(struct cpld_data, reg))
34 #define CPLD_WRITE(reg, value)\
35 		cpld_write(offsetof(struct cpld_data, reg), value)
36 
37 /* CPLD on IFC */
38 #define CPLD_LBMAP_MASK	 0x3F
39 #define CPLD_BANK_SEL_MASK      0x07
40 #define CPLD_BANK_OVERRIDE      0x40
41 #define CPLD_LBMAP_ALTBANK      0x44 /* BANK OR | BANK 4 */
42 #define CPLD_LBMAP_DFLTBANK     0x40 /* BANK OR | BANK 0 */
43 #define CPLD_LBMAP_RESET	0xFF
44 #define CPLD_LBMAP_SHIFT	0x03
45 #define CPLD_BOOT_SEL	   0x80
46 
47 #define CPLD_PCIE_SGMII_MUX	0x80
48 #define CPLD_OVERRIDE_BOOT_EN	0x01
49 #define CPLD_OVERRIDE_MUX_EN	0x02 /* PCIE/2.5G-SGMII mux override enable */
50