blob: bcdb6485d21c0bfabe22d6f491d7aaabd1fef302 [file] [log] [blame]
Yegor Yefremov6ce89322015-05-29 19:27:29 +02001/*
2 * board.h
3 *
4 * TI AM335x boards information header
5 *
6 * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
7 *
8 * SPDX-License-Identifier: GPL-2.0+
9 */
10
11#ifndef _BOARD_H_
12#define _BOARD_H_
13
14/*
15 * TI AM335x parts define a system EEPROM that defines certain sub-fields.
16 * We use these fields to in turn see what board we are on, and what
17 * that might require us to set or not set.
18 */
19#define HDR_NO_OF_MAC_ADDR 3
20#define HDR_ETH_ALEN 6
21#define HDR_NAME_LEN 8
22
23struct am335x_baseboard_id {
24 unsigned int magic;
25 char name[HDR_NAME_LEN];
26 char version[4];
27 char serial[12];
28 char config[32];
29 char mac_addr[HDR_NO_OF_MAC_ADDR][HDR_ETH_ALEN];
30};
31
32typedef struct _BSP_VS_HWPARAM // v1.0
33{
34 uint32_t Magic;
35 uint32_t HwRev;
36 uint32_t SerialNumber;
37 char PrdDate[11]; // as a string ie. "01.01.2006"
38 uint16_t SystemId;
39 uint8_t MAC1[6]; // internal EMAC
40 uint8_t MAC2[6]; // SMSC9514
41 uint8_t MAC3[6]; // WL1271 WLAN
42} __attribute__ ((packed)) BSP_VS_HWPARAM;
43
44static inline int board_is_bone(struct am335x_baseboard_id *header)
45{
46 return !strncmp(header->name, "A335BONE", HDR_NAME_LEN);
47}
48
49static inline int board_is_bone_lt(struct am335x_baseboard_id *header)
50{
51 return !strncmp(header->name, "A335BNLT", HDR_NAME_LEN);
52}
53
54static inline int board_is_evm_sk(struct am335x_baseboard_id *header)
55{
56 return !strncmp("A335X_SK", header->name, HDR_NAME_LEN);
57}
58
59static inline int board_is_idk(struct am335x_baseboard_id *header)
60{
61 return !strncmp(header->config, "SKU#02", 6);
62}
63
64static inline int board_is_gp_evm(struct am335x_baseboard_id *header)
65{
66 return !strncmp("A33515BB", header->name, HDR_NAME_LEN);
67}
68
69static inline int board_is_evm_15_or_later(struct am335x_baseboard_id *header)
70{
71 return (board_is_gp_evm(header) &&
72 strncmp("1.5", header->version, 3) <= 0);
73}
74
75/*
76 * We have three pin mux functions that must exist. We must be able to enable
77 * uart0, for initial output and i2c0 to read the main EEPROM. We then have a
78 * main pinmux function that can be overridden to enable all other pinmux that
79 * is required on the board.
80 */
81void enable_uart0_pin_mux(void);
82void enable_uart1_pin_mux(void);
83void enable_uart2_pin_mux(void);
84void enable_uart3_pin_mux(void);
85void enable_uart4_pin_mux(void);
86void enable_uart5_pin_mux(void);
87void enable_i2c0_pin_mux(void);
88void enable_i2c1_pin_mux(void);
89void enable_board_pin_mux(void);
90#endif