mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-05 20:54:31 +00:00
9b372b2c8e
Fix EMK TOP9000 board to build again: - changes required due to ATMEL rework Signed-off-by: Reinhard Meyer <u-boot@emk-elektronik.de>
313 lines
9.3 KiB
C
313 lines
9.3 KiB
C
/*
|
|
* (C) Copyright 2010
|
|
* Reinhard Meyer, EMK Elektronik, reinhard.meyer@emk-elektronik.de
|
|
*
|
|
* Configuation settings for the TOP9000 CPU module with AT91SAM9XE.
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*/
|
|
/*
|
|
* top9000 with at91sam9xe256 or at91sam9xe512
|
|
*
|
|
* Initial Bootloader is in embedded flash.
|
|
* Vital Product Data, U-Boot Environment are in I2C-EEPROM.
|
|
* U-Boot is in embedded flash, a backup U-Boot can be in NAND flash.
|
|
* kernel and file system are either in NAND flash or on a micro SD card.
|
|
* NAND flash is optional.
|
|
* I2C EEPROM is never optional.
|
|
* SPI FRAM is optional.
|
|
* SPI ENC28J60 is optional.
|
|
* 16 or 32 bit wide SDRAM.
|
|
*/
|
|
#ifndef __CONFIG_H
|
|
#define __CONFIG_H
|
|
|
|
/* SoC must be defined first, before hardware.h is included */
|
|
#define CONFIG_AT91SAM9XE
|
|
#include <asm/hardware.h>
|
|
|
|
/*
|
|
* Warning: changing CONFIG_SYS_TEXT_BASE requires
|
|
* adapting the initial boot program.
|
|
*/
|
|
#define CONFIG_SYS_TEXT_BASE 0x20000000 /* start of SDRAM */
|
|
|
|
/* Command line configuration */
|
|
#include <config_cmd_default.h>
|
|
#undef CONFIG_CMD_FPGA
|
|
#undef CONFIG_CMD_SETGETDCR
|
|
#undef CONFIG_CMD_XIMG
|
|
#define CONFIG_CMD_ASKENV
|
|
#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_PROMPT "TOP9000> "
|
|
#define CONFIG_SYS_LONGHELP
|
|
#define CONFIG_CMDLINE_EDITING
|
|
#define CONFIG_CMD_BDI
|
|
#define CONFIG_CMD_CACHE
|
|
|
|
/* ARM asynchronous clock */
|
|
#define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
|
|
#define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */
|
|
#define CONFIG_SYS_HZ 1000
|
|
|
|
/* Misc CPU related */
|
|
#define CONFIG_ARCH_CPU_INIT
|
|
#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
|
|
#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_AT91RESET_EXTRST /* assert external reset */
|
|
|
|
/* 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_SYS_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 }
|
|
|
|
/* SD/MMC card */
|
|
#define CONFIG_MMC
|
|
#define CONFIG_GENERIC_MMC
|
|
#define CONFIG_GENERIC_ATMEL_MCI
|
|
#define CONFIG_SYS_MMC_CD_PIN AT91_PIN_PC9
|
|
#define CONFIG_CMD_MMC
|
|
|
|
/* Ethernet */
|
|
#define CONFIG_MACB
|
|
#define CONFIG_SYS_PHY_ID 1
|
|
#define CONFIG_RMII
|
|
#define CONFIG_NET_MULTI
|
|
#define CONFIG_NET_RETRY_COUNT 20
|
|
|
|
/* real time clock */
|
|
#define CONFIG_RTC_AT91SAM9_RTT
|
|
#define CONFIG_CMD_DATE
|
|
|
|
#if defined(CONFIG_AT91SAM9XE)
|
|
/*
|
|
* NOR flash - use embedded flash of SAM9XE256/512
|
|
* U-Boot will not fit into 128K !
|
|
* 2010.09 will not fit into 256K with all options enabled !
|
|
*
|
|
* Layout:
|
|
* 16kB 1st Bootloader
|
|
* Rest U-Boot
|
|
* the first sector (16kB) of EFLASH cannot be unprotected
|
|
* with u-boot commands
|
|
*/
|
|
# define CONFIG_AT91_EFLASH
|
|
# define CONFIG_SYS_FLASH_BASE ATMEL_BASE_FLASH
|
|
# define CONFIG_SYS_MAX_FLASH_SECT 32
|
|
# define CONFIG_SYS_MAX_FLASH_BANKS 1
|
|
# define CONFIG_SYS_FLASH_PROTECTION
|
|
# define CONFIG_EFLASH_PROTSECTORS 1 /* protect first sector */
|
|
#endif
|
|
|
|
/* SPI */
|
|
#define CONFIG_ATMEL_SPI
|
|
#define CONFIG_CMD_SPI
|
|
|
|
/* RAMTRON FRAM */
|
|
#define CONFIG_CMD_SF
|
|
#define CONFIG_ATMEL_SPI0 /* SPI used for FRAM is SPI0 */
|
|
#define FRAM_SPI_BUS 0
|
|
#define FRAM_CS_NUM 0
|
|
#define CONFIG_SPI_FLASH /* RAMTRON FRAM on SPI bus */
|
|
#define CONFIG_SPI_FRAM_RAMTRON
|
|
#define CONFIG_SF_DEFAULT_SPEED 1000000 /* be conservative here... */
|
|
#define CONFIG_SF_DEFAULT_MODE SPI_MODE_0
|
|
#define CONFIG_SPI_FRAM_RAMTRON_NON_JEDEC "FM25H20"
|
|
|
|
/* Microchip ENC28J60 (second LAN) */
|
|
#if defined(CONFIG_EVAL9000)
|
|
# define CONFIG_ENC28J60
|
|
# define CONFIG_ATMEL_SPI1 /* SPI used for ENC28J60 is SPI1 */
|
|
# define ENC_SPI_BUS 1
|
|
# define ENC_CS_NUM 0
|
|
# define ENC_SPI_CLOCK 1000000
|
|
#endif /* CONFIG_EVAL9000 */
|
|
|
|
/*
|
|
* 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 0x08000000
|
|
#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
|
|
#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_SDRAM_BASE + 0x01e00000)
|
|
#define CONFIG_SYS_LOAD_ADDR \
|
|
(CONFIG_SYS_SDRAM_BASE + 0x01000000)
|
|
/*
|
|
* Initial stack pointer: 16k - 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_SRAM + 0x4000 - GENERATED_GBL_DATA_SIZE)
|
|
|
|
/*
|
|
* NAND flash: 256 MB (optional)
|
|
*
|
|
* Layout:
|
|
* 640kB: u-boot (includes space for spare sectors, handled by
|
|
* initial loader)
|
|
* 2MB: kernel
|
|
* rest: file system
|
|
*/
|
|
#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
|
|
#define CONFIG_CMD_NAND
|
|
|
|
/* USB */
|
|
#define CONFIG_USB_ATMEL
|
|
#define CONFIG_USB_OHCI_NEW
|
|
#define CONFIG_DOS_PARTITION
|
|
#define CONFIG_SYS_USB_OHCI_CPU_INIT
|
|
#define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_UHP_BASE
|
|
#define CONFIG_SYS_USB_OHCI_SLOT_NAME "top9000"
|
|
#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
|
|
#define CONFIG_USB_STORAGE
|
|
#define CONFIG_CMD_USB
|
|
|
|
/* I2C support must always be enabled */
|
|
#define CONFIG_SOFT_I2C
|
|
#define CONFIG_CMD_I2C
|
|
#define CONFIG_SYS_I2C_SPEED 400000
|
|
#define CONFIG_SYS_I2C_SLAVE 0x7F
|
|
#define CONFIG_I2C_MULTI_BUS
|
|
#define I2C0_PORT AT91_PIO_PORTA
|
|
#define SDA0_PIN 23
|
|
#define SCL0_PIN 24
|
|
#define I2C1_PORT AT91_PIO_PORTB
|
|
#define SDA1_PIN 12
|
|
#define SCL1_PIN 13
|
|
#define I2C_SOFT_DECLARATIONS void iic_init(void);\
|
|
int iic_read(void);\
|
|
void iic_sda(int);\
|
|
void iic_scl(int);
|
|
#define I2C_ACTIVE
|
|
#define I2C_TRISTATE
|
|
#define I2C_INIT iic_init()
|
|
#define I2C_READ iic_read()
|
|
#define I2C_SDA(bit) iic_sda(bit)
|
|
#define I2C_SCL(bit) iic_scl(bit)
|
|
#define I2C_DELAY udelay(3)
|
|
/* EEPROM configuration */
|
|
#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 5
|
|
#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 5
|
|
#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2
|
|
#define CONFIG_SYS_EEPROM_SIZE 0x2000
|
|
#define CONFIG_SYS_I2C_EEPROM_ADDR 0x57
|
|
/* later: #define CONFIG_I2C_ENV_EEPROM_BUS 0 */
|
|
/* ENV is always in I2C-EEPROM */
|
|
#define CONFIG_ENV_IS_IN_EEPROM
|
|
#define CONFIG_ENV_OFFSET 0x1000
|
|
#define CONFIG_ENV_SIZE 0x0f00
|
|
/* VPD settings */
|
|
#define CONFIG_SYS_I2C_FACT_ADDR 0x57
|
|
#define CONFIG_SYS_FACT_OFFSET 0x1F00
|
|
#define CONFIG_SYS_FACT_SIZE 0x0100
|
|
/* later: #define CONFIG_MISC_INIT_R */
|
|
/* define the next only if you want to allow users to enter VPD data */
|
|
#define CONFIG_SYS_FACT_ENTRY
|
|
#ifndef __ASSEMBLY__
|
|
extern void read_factory_r(void);
|
|
#endif
|
|
|
|
/*
|
|
* Only interrupt autoboot if <space> is pressed. Otherwise, garbage
|
|
* data on the serial line may interrupt the boot sequence.
|
|
*/
|
|
#define CONFIG_BOOTDELAY 1
|
|
#define CONFIG_AUTOBOOT
|
|
#define CONFIG_AUTOBOOT_KEYED
|
|
#define CONFIG_AUTOBOOT_PROMPT \
|
|
"Press SPACE to abort autoboot in %d seconds\n", bootdelay
|
|
#define CONFIG_AUTOBOOT_DELAY_STR "d"
|
|
#define CONFIG_AUTOBOOT_STOP_STR " "
|
|
|
|
/*
|
|
* add filesystem commands if we have at least 1 storage
|
|
* media with filesystem
|
|
*/
|
|
#if defined(CONFIG_NAND_ATMEL) \
|
|
|| defined(CONFIG_USB_ATMEL) \
|
|
|| defined(CONFIG_MMC)
|
|
# define CONFIG_DOS_PARTITION
|
|
# define CONFIG_CMD_FAT
|
|
# define CONFIG_CMD_EXT2
|
|
/* later: #define CONFIG_CMD_JFFS2 */
|
|
#endif
|
|
|
|
/* add NET commands if we have at least 1 LAN */
|
|
#if defined(CONFIG_MACB) || defined(CONFIG_ENC28J60)
|
|
# define CONFIG_CMD_PING
|
|
# define CONFIG_CMD_DHCP
|
|
# define CONFIG_CMD_MII
|
|
/* is this really needed ? */
|
|
# define CONFIG_RESET_PHY_R
|
|
/* BOOTP options */
|
|
# define CONFIG_BOOTP_BOOTFILESIZE
|
|
# define CONFIG_BOOTP_BOOTPATH
|
|
# define CONFIG_BOOTP_GATEWAY
|
|
# define CONFIG_BOOTP_HOSTNAME
|
|
#endif
|
|
|
|
/* linux in NAND flash */
|
|
#define CONFIG_BOOTCOUNT_LIMIT 1
|
|
#define CONFIG_BOOTCOMMAND \
|
|
"nand read 0x21000000 0xA0000 0x200000; bootm"
|
|
#define CONFIG_BOOTARGS \
|
|
"console=ttyS0,115200 " \
|
|
"root=/dev/mtdblock2 " \
|
|
"mtdparts=atmel_nand:" \
|
|
"640k(uboot)ro," \
|
|
"2M(linux)," \
|
|
"16M(root)," \
|
|
"-(rest) " \
|
|
"rw "\
|
|
"rootfstype=jffs2"
|
|
|
|
/* Size of malloc() pool */
|
|
#define CONFIG_SYS_MALLOC_LEN \
|
|
ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
|
|
#define CONFIG_STACKSIZE (32*1024)
|
|
#ifdef CONFIG_USE_IRQ
|
|
#error CONFIG_USE_IRQ not supported
|
|
#endif
|
|
|
|
#endif
|