1 /*
2  * sys_proto.h
3  *
4  * System information header
5  *
6  * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License as
10  * published by the Free Software Foundation; either version 2 of
11  * the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE.  See the
16  * GNU General Public License for more details.
17  */
18 
19 #ifndef _SYS_PROTO_H_
20 #define _SYS_PROTO_H_
21 
22 /*
23  * AM335x parts define a system EEPROM that defines certain sub-fields.
24  * We use these fields to in turn see what board we are on, and what
25  * that might require us to set or not set.
26  */
27 #define HDR_NO_OF_MAC_ADDR	3
28 #define HDR_ETH_ALEN		6
29 #define HDR_NAME_LEN		8
30 
31 struct am335x_baseboard_id {
32 	unsigned int  magic;
33 	char name[HDR_NAME_LEN];
34 	char version[4];
35 	char serial[12];
36 	char config[32];
37 	char mac_addr[HDR_NO_OF_MAC_ADDR][HDR_ETH_ALEN];
38 };
39 
40 #define BOARD_REV_ID	0x0
41 
42 u32 get_cpu_rev(void);
43 u32 get_sysboot_value(void);
44 
45 #ifdef CONFIG_DISPLAY_CPUINFO
46 int print_cpuinfo(void);
47 #endif
48 
49 extern struct ctrl_stat *cstat;
50 u32 get_device_type(void);
51 void setup_clocks_for_console(void);
52 void ddr_pll_config(unsigned int ddrpll_M);
53 
54 /*
55  * We have three pin mux functions that must exist.  We must be able to enable
56  * uart0, for initial output and i2c0 to read the main EEPROM.  We then have a
57  * main pinmux function that can be overridden to enable all other pinmux that
58  * is required on the board.
59  */
60 void enable_uart0_pin_mux(void);
61 void enable_i2c0_pin_mux(void);
62 void enable_board_pin_mux(struct am335x_baseboard_id *header);
63 #endif
64