mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-27 13:33:40 +00:00
5e90470a86
AM335x-based 'Gumstix Pepper' SBCs and variants use different types of RAM (DDR2 vs DDR3 with DDR3 being the default). Detect the board type by reading the factory-programmed EEPROM [1] and use this to select any runtime boot options such as RAM type. [1] http://elinux.org/BeagleBoardPinMux#List_of_Vendor_and_Device_IDs Signed-off-by: Adam YH Lee <adam.yh.lee@gmail.com> Signed-off-by: Ash Charles <ashcharles@gmail.com>
32 lines
752 B
C
32 lines
752 B
C
/*
|
|
* Gumstix Pepper and AM335x-based boards information header
|
|
*
|
|
* Copyright (C) 2014, Gumstix, Inc. - http://www.gumstix.com/
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#ifndef _BOARD_H_
|
|
#define _BOARD_H_
|
|
|
|
#define GUMSTIX_PEPPER 0x30000200
|
|
#define GUMSTIX_PEPPER_DVI 0x31000200
|
|
|
|
struct pepper_board_id {
|
|
unsigned int device_vendor;
|
|
unsigned char revision;
|
|
unsigned char content;
|
|
char fab_revision[8];
|
|
char env_var[16];
|
|
char en_setting[64];
|
|
};
|
|
|
|
/*
|
|
* We must be able to enable uart0, for initial output. 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_board_pin_mux(void);
|
|
void enable_i2c0_pin_mux(void);
|
|
#endif
|