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6ce89324 YY |
1 | /* |
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 | ||
23 | struct 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 | ||
32 | typedef 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 | ||
44 | static inline int board_is_bone(struct am335x_baseboard_id *header) | |
45 | { | |
46 | return !strncmp(header->name, "A335BONE", HDR_NAME_LEN); | |
47 | } | |
48 | ||
49 | static inline int board_is_bone_lt(struct am335x_baseboard_id *header) | |
50 | { | |
51 | return !strncmp(header->name, "A335BNLT", HDR_NAME_LEN); | |
52 | } | |
53 | ||
54 | static inline int board_is_evm_sk(struct am335x_baseboard_id *header) | |
55 | { | |
56 | return !strncmp("A335X_SK", header->name, HDR_NAME_LEN); | |
57 | } | |
58 | ||
59 | static inline int board_is_idk(struct am335x_baseboard_id *header) | |
60 | { | |
61 | return !strncmp(header->config, "SKU#02", 6); | |
62 | } | |
63 | ||
64 | static inline int board_is_gp_evm(struct am335x_baseboard_id *header) | |
65 | { | |
66 | return !strncmp("A33515BB", header->name, HDR_NAME_LEN); | |
67 | } | |
68 | ||
69 | static 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 | */ | |
81 | void enable_uart0_pin_mux(void); | |
82 | void enable_uart1_pin_mux(void); | |
83 | void enable_uart2_pin_mux(void); | |
84 | void enable_uart3_pin_mux(void); | |
85 | void enable_uart4_pin_mux(void); | |
86 | void enable_uart5_pin_mux(void); | |
87 | void enable_i2c0_pin_mux(void); | |
88 | void enable_i2c1_pin_mux(void); | |
89 | void enable_board_pin_mux(void); | |
90 | #endif |