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91 lines
2.3 KiB
C
91 lines
2.3 KiB
C
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/*
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* board.h
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*
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* TI AM335x boards information header
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*
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* Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _BOARD_H_
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#define _BOARD_H_
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/*
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* TI AM335x parts define a system EEPROM that defines certain sub-fields.
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* We use these fields to in turn see what board we are on, and what
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* that might require us to set or not set.
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*/
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#define HDR_NO_OF_MAC_ADDR 3
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#define HDR_ETH_ALEN 6
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#define HDR_NAME_LEN 8
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struct am335x_baseboard_id {
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unsigned int magic;
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char name[HDR_NAME_LEN];
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char version[4];
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char serial[12];
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char config[32];
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char mac_addr[HDR_NO_OF_MAC_ADDR][HDR_ETH_ALEN];
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};
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typedef struct _BSP_VS_HWPARAM // v1.0
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{
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uint32_t Magic;
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uint32_t HwRev;
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uint32_t SerialNumber;
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char PrdDate[11]; // as a string ie. "01.01.2006"
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uint16_t SystemId;
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uint8_t MAC1[6]; // internal EMAC
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uint8_t MAC2[6]; // SMSC9514
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uint8_t MAC3[6]; // WL1271 WLAN
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} __attribute__ ((packed)) BSP_VS_HWPARAM;
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static inline int board_is_bone(struct am335x_baseboard_id *header)
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{
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return !strncmp(header->name, "A335BONE", HDR_NAME_LEN);
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}
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static inline int board_is_bone_lt(struct am335x_baseboard_id *header)
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{
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return !strncmp(header->name, "A335BNLT", HDR_NAME_LEN);
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}
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static inline int board_is_evm_sk(struct am335x_baseboard_id *header)
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{
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return !strncmp("A335X_SK", header->name, HDR_NAME_LEN);
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}
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static inline int board_is_idk(struct am335x_baseboard_id *header)
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{
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return !strncmp(header->config, "SKU#02", 6);
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}
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static inline int board_is_gp_evm(struct am335x_baseboard_id *header)
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{
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return !strncmp("A33515BB", header->name, HDR_NAME_LEN);
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}
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static inline int board_is_evm_15_or_later(struct am335x_baseboard_id *header)
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{
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return (board_is_gp_evm(header) &&
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strncmp("1.5", header->version, 3) <= 0);
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}
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/*
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* We have three pin mux functions that must exist. We must be able to enable
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* uart0, for initial output and i2c0 to read the main EEPROM. We then have a
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* main pinmux function that can be overridden to enable all other pinmux that
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* is required on the board.
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*/
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void enable_uart0_pin_mux(void);
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void enable_uart1_pin_mux(void);
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void enable_uart2_pin_mux(void);
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void enable_uart3_pin_mux(void);
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void enable_uart4_pin_mux(void);
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void enable_uart5_pin_mux(void);
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void enable_i2c0_pin_mux(void);
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void enable_i2c1_pin_mux(void);
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void enable_board_pin_mux(void);
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#endif
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