upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/board/vscom/baltos/board.h

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