4 * TI AM335x boards information header
6 * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
8 * SPDX-License-Identifier: GPL-2.0+
15 * AM335X (EMIF_4D) EMIF REG_COS_COUNT_1, REG_COS_COUNT_2, and
16 * REG_PR_OLD_COUNT values to avoid LCDC DMA FIFO underflows and Frame
17 * Synchronization Lost errors. The values are the biggest that work
18 * reliably with offered video modes and the memory subsystem on the
19 * boards. These register have are briefly documented in "7.3.3.5.2
20 * Command Starvation" section of AM335x TRM. The REG_COS_COUNT_1 and
21 * REG_COS_COUNT_2 do not have any effect on current versions of
24 #define EMIF_OCP_CONFIG_BEAGLEBONE_BLACK 0x00141414
25 #define EMIF_OCP_CONFIG_AM335X_EVM 0x003d3d3d
27 static inline int board_is_bone(void)
29 return board_ti_is("A335BONE");
32 static inline int board_is_bone_lt(void)
34 return board_ti_is("A335BNLT");
37 static inline int board_is_bbg1(void)
39 return board_is_bone_lt() && !strncmp(board_ti_get_rev(), "BBG1", 4);
42 static inline int board_is_evm_sk(void)
44 return board_ti_is("A335X_SK");
47 static inline int board_is_idk(void)
49 return !strncmp(board_ti_get_config(), "SKU#02", 6);
52 static inline int board_is_gp_evm(void)
54 return board_ti_is("A33515BB");
57 static inline int board_is_evm_15_or_later(void)
59 return (board_is_gp_evm() &&
60 strncmp("1.5", board_ti_get_rev(), 3) <= 0);
63 static inline int board_is_icev2(void)
65 return board_ti_is("A335_ICE") && !strncmp("2", board_ti_get_rev(), 1);
69 * We have three pin mux functions that must exist. We must be able to enable
70 * uart0, for initial output and i2c0 to read the main EEPROM. We then have a
71 * main pinmux function that can be overridden to enable all other pinmux that
72 * is required on the board.
74 void enable_uart0_pin_mux(void);
75 void enable_uart1_pin_mux(void);
76 void enable_uart2_pin_mux(void);
77 void enable_uart3_pin_mux(void);
78 void enable_uart4_pin_mux(void);
79 void enable_uart5_pin_mux(void);
80 void enable_i2c0_pin_mux(void);
81 void enable_board_pin_mux(void);