upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
159 lines
4.2 KiB
159 lines
4.2 KiB
/*
|
|
* Common board functions for Siemens TAURUS (AT91SAM9G20) based boards
|
|
* (C) Copyright 2013 Siemens AG
|
|
*
|
|
* Based on:
|
|
* U-Boot file: include/configs/at91sam9260ek.h
|
|
*
|
|
* (C) Copyright 2007-2008
|
|
* Stelian Pop <stelian@popies.net>
|
|
* Lead Tech Design <www.leadtechdesign.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#ifndef __CONFIG_H
|
|
#define __CONFIG_H
|
|
|
|
/*
|
|
* SoC must be defined first, before hardware.h is included.
|
|
* In this case SoC is defined in boards.cfg.
|
|
*/
|
|
#include <asm/hardware.h>
|
|
|
|
#define MACH_TYPE_TAURUS 2067
|
|
#define MACH_TYPE_AXM 2068
|
|
|
|
/*
|
|
* Warning: changing CONFIG_SYS_TEXT_BASE requires
|
|
* adapting the initial boot program.
|
|
* Since the linker has to swallow that define, we must use a pure
|
|
* hex number here!
|
|
*/
|
|
|
|
|
|
#define CONFIG_SYS_TEXT_BASE 0x23f00000
|
|
|
|
/* ARM asynchronous clock */
|
|
#define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
|
|
#define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */
|
|
|
|
/* Misc CPU related */
|
|
#define CONFIG_ARCH_CPU_INIT
|
|
#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
|
|
#define CONFIG_SETUP_MEMORY_TAGS
|
|
#define CONFIG_INITRD_TAG
|
|
#define CONFIG_SKIP_LOWLEVEL_INIT
|
|
#define CONFIG_BOARD_EARLY_INIT_F
|
|
#define CONFIG_DISPLAY_CPUINFO
|
|
|
|
#define CONFIG_CMD_BOOTZ
|
|
#define CONFIG_OF_LIBFDT
|
|
|
|
/* general purpose I/O */
|
|
#define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */
|
|
#define CONFIG_AT91_GPIO
|
|
#define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */
|
|
|
|
/* serial console */
|
|
#define CONFIG_ATMEL_USART
|
|
#define CONFIG_USART_BASE ATMEL_BASE_DBGU
|
|
#define CONFIG_USART_ID ATMEL_ID_SYS
|
|
#define CONFIG_BAUDRATE 115200
|
|
|
|
#define CONFIG_BOOTDELAY 3
|
|
|
|
/*
|
|
* Command line configuration.
|
|
*/
|
|
#include <config_cmd_default.h>
|
|
#undef CONFIG_CMD_BDI
|
|
#undef CONFIG_CMD_FPGA
|
|
#undef CONFIG_CMD_IMI
|
|
#undef CONFIG_CMD_IMLS
|
|
#undef CONFIG_CMD_LOADS
|
|
#undef CONFIG_CMD_SOURCE
|
|
|
|
#define CONFIG_CMD_PING
|
|
#define CONFIG_CMD_DHCP
|
|
#define CONFIG_CMD_NAND
|
|
|
|
/*
|
|
* SDRAM: 1 bank, min 32, max 128 MB
|
|
* Initialized before u-boot gets started.
|
|
*/
|
|
#define CONFIG_NR_DRAM_BANKS 1
|
|
#define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
|
|
#define CONFIG_SYS_SDRAM_SIZE (128 * 1024 * 1024)
|
|
|
|
/*
|
|
* Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
|
|
* leaving the correct space for initial global data structure above
|
|
* that address while providing maximum stack area below.
|
|
*/
|
|
# define CONFIG_SYS_INIT_SP_ADDR \
|
|
(ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE)
|
|
|
|
/* NAND flash */
|
|
#ifdef CONFIG_CMD_NAND
|
|
#define CONFIG_NAND_ATMEL
|
|
#define CONFIG_SYS_MAX_NAND_DEVICE 1
|
|
#define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
|
|
#define CONFIG_SYS_NAND_DBW_8
|
|
#define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
|
|
#define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
|
|
#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
|
|
#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
|
|
#endif
|
|
|
|
/* NOR flash - no real flash on this board */
|
|
#define CONFIG_SYS_NO_FLASH 1
|
|
|
|
/* Ethernet */
|
|
#define CONFIG_MACB
|
|
#define CONFIG_RMII
|
|
#define CONFIG_AT91_WANTS_COMMON_PHY
|
|
|
|
/* USB */
|
|
#if defined(CONFIG_BOARD_TAURUS)
|
|
#define CONFIG_USB_ATMEL
|
|
#define CONFIG_USB_OHCI_NEW
|
|
#define CONFIG_SYS_USB_OHCI_CPU_INIT
|
|
#define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000
|
|
#define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260"
|
|
#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
|
|
#define CONFIG_USB_STORAGE
|
|
#endif
|
|
|
|
/* load address */
|
|
#define CONFIG_SYS_LOAD_ADDR 0x22000000
|
|
|
|
/* bootstrap in spi flash , u-boot + env + linux in nandflash */
|
|
#define CONFIG_ENV_IS_IN_NAND
|
|
#define CONFIG_ENV_OFFSET 0x100000
|
|
#define CONFIG_ENV_OFFSET_REDUND 0x180000
|
|
#define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */
|
|
#define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm"
|
|
#define CONFIG_BOOTARGS \
|
|
"console=ttyS0,115200 earlyprintk " \
|
|
"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \
|
|
"256k(env),256k(env_redundant),256k(spare)," \
|
|
"512k(dtb),6M(kernel)ro,-(rootfs) " \
|
|
"root=/dev/mtdblock7 rw rootfstype=jffs2"
|
|
|
|
#define CONFIG_SYS_PROMPT "U-Boot> "
|
|
#define CONFIG_SYS_CBSIZE 256
|
|
#define CONFIG_SYS_MAXARGS 16
|
|
#define CONFIG_SYS_PBSIZE \
|
|
(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
|
|
#define CONFIG_SYS_LONGHELP
|
|
#define CONFIG_CMDLINE_EDITING
|
|
#define CONFIG_AUTO_COMPLETE
|
|
|
|
/*
|
|
* Size of malloc() pool
|
|
*/
|
|
#define CONFIG_SYS_MALLOC_LEN \
|
|
ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
|
|
|
|
#endif
|
|
|