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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* board.h
*
* TI AM335x boards information header
*
* Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
*/
#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_pb(void)
{
return board_ti_is("A335PBGL");
}
static inline int board_is_bbg1(void)
{
return board_is_bone_lt() && !strncmp(board_ti_get_rev(), "BBG1", 4);
}
static inline int board_is_beaglebonex(void)
{
return board_is_pb() || board_is_bone() || board_is_bone_lt() || board_is_bbg1();
}
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
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