/* * 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_ /** * AM335X (EMIF_4D) EMIF REG_COS_COUNT_1, REG_COS_COUNT_2, and * REG_PR_OLD_COUNT values to avoid LCDC DMA FIFO underflows and Frame * Synchronization Lost errors. The values are the biggest that work * reliably with offered video modes and the memory subsystem on the * boards. These register have are briefly documented in "7.3.3.5.2 * Command Starvation" section of AM335x TRM. The REG_COS_COUNT_1 and * REG_COS_COUNT_2 do not have any effect on current versions of * AM335x. */ #define EMIF_OCP_CONFIG_BEAGLEBONE_BLACK 0x00141414 #define EMIF_OCP_CONFIG_AM335X_EVM 0x003d3d3d static inline int board_is_bone(void) { return board_ti_is("A335BONE"); } static inline int board_is_bone_lt(void) { return board_ti_is("A335BNLT"); } static inline int board_is_bbg1(void) { return board_is_bone_lt() && !strncmp(board_ti_get_rev(), "BBG1", 4); } static inline int board_is_evm_sk(void) { return board_ti_is("A335X_SK"); } static inline int board_is_idk(void) { return !strncmp(board_ti_get_config(), "SKU#02", 6); } static inline int board_is_gp_evm(void) { return board_ti_is("A33515BB"); } static inline int board_is_evm_15_or_later(void) { return (board_is_gp_evm() && strncmp("1.5", board_ti_get_rev(), 3) <= 0); } static inline int board_is_icev2(void) { return board_ti_is("A335_ICE") && !strncmp("2", board_ti_get_rev(), 1); } /* * 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_board_pin_mux(void); #endif