xref: /openbmc/u-boot/board/ti/am43xx/board.h (revision f13606b7)
1 /*
2  * board.h
3  *
4  * TI AM437x boards information header
5  * Derived from AM335x board.
6  *
7  * Copyright (C) 2013, Texas Instruments, Incorporated - http://www.ti.com/
8  *
9  * SPDX-License-Identifier:	GPL-2.0+
10  */
11 
12 #ifndef _BOARD_H_
13 #define _BOARD_H_
14 
15 #include <asm/arch/omap.h>
16 
17 static char *const am43xx_board_name = (char *)AM4372_BOARD_NAME_START;
18 static char *const am43xx_board_rev = (char *)AM4372_BOARD_VERSION_START;
19 
20 /*
21  * TI AM437x EVMs define a system EEPROM that defines certain sub-fields.
22  * We use these fields to in turn see what board we are on, and what
23  * that might require us to set or not set.
24  */
25 #define HDR_NO_OF_MAC_ADDR	3
26 #define HDR_ETH_ALEN		6
27 #define HDR_NAME_LEN		8
28 
29 #define DEV_ATTR_MAX_OFFSET	5
30 #define DEV_ATTR_MIN_OFFSET	0
31 
32 struct am43xx_board_id {
33 	unsigned int  magic;
34 	char name[HDR_NAME_LEN];
35 	char version[4];
36 	char serial[12];
37 	char config[32];
38 	char mac_addr[HDR_NO_OF_MAC_ADDR][HDR_ETH_ALEN];
39 };
40 
41 static inline int board_is_eposevm(void)
42 {
43 	return !strncmp(am43xx_board_name, "AM43EPOS", HDR_NAME_LEN);
44 }
45 
46 static inline int board_is_gpevm(void)
47 {
48 	return !strncmp(am43xx_board_name, "AM43__GP", HDR_NAME_LEN);
49 }
50 
51 static inline int board_is_sk(void)
52 {
53 	return !strncmp(am43xx_board_name, "AM43__SK", HDR_NAME_LEN);
54 }
55 
56 static inline int board_is_idk(void)
57 {
58 	return !strncmp(am43xx_board_name, "AM43_IDK", HDR_NAME_LEN);
59 }
60 
61 static inline int board_is_evm_14_or_later(void)
62 {
63 	return (board_is_gpevm() && strncmp("1.4", am43xx_board_rev, 3) <= 0);
64 }
65 
66 static inline int board_is_evm_12_or_later(void)
67 {
68 	return (board_is_gpevm() && strncmp("1.2", am43xx_board_rev, 3) <= 0);
69 }
70 
71 void enable_uart0_pin_mux(void);
72 void enable_board_pin_mux(void);
73 void enable_i2c0_pin_mux(void);
74 #endif
75