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
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169 lines
4.3 KiB
169 lines
4.3 KiB
/*
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* Copyright (C) 2009
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* Albin Tonnerre, Free Electrons <albin.tonnerre@free-electrons.com>
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*
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* Configuation settings for the Calao SBC35-A9G20 board
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __CONFIG_H
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#define __CONFIG_H
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/* SoC type is defined in boards.cfg */
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#include <asm/hardware.h>
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#include <linux/sizes.h>
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#if defined(CONFIG_SYS_USE_NANDFLASH)
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#define CONFIG_ENV_IS_IN_NAND
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#else
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#define CONFIG_ENV_IS_IN_EEPROM
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#endif
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#define MACH_TYPE_SBC35_A9G20 1848
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#define CONFIG_MACH_TYPE MACH_TYPE_SBC35_A9G20
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/* ARM asynchronous clock */
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#define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
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#define CONFIG_SYS_AT91_MAIN_CLOCK 12000000 /* 12.000 MHz crystal */
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#define CONFIG_ARCH_CPU_INIT
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#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
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#define CONFIG_SETUP_MEMORY_TAGS
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#define CONFIG_INITRD_TAG
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#define CONFIG_SKIP_LOWLEVEL_INIT
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/* GPIO */
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#define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */
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#define CONFIG_AT91_GPIO
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/* Serial */
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#define CONFIG_ATMEL_USART
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#define CONFIG_USART_BASE ATMEL_BASE_DBGU
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#define CONFIG_USART_ID ATMEL_ID_SYS
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#define CONFIG_BAUDRATE 115200
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#define CONFIG_BOOTDELAY 3
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/*
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* BOOTP options
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*/
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#define CONFIG_BOOTP_BOOTFILESIZE
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#define CONFIG_BOOTP_BOOTPATH
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#define CONFIG_BOOTP_GATEWAY
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#define CONFIG_BOOTP_HOSTNAME
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/*
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* Command line configuration.
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*/
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#include <config_cmd_default.h>
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#undef CONFIG_CMD_BDI
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#undef CONFIG_CMD_FPGA
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#undef CONFIG_CMD_IMI
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#undef CONFIG_CMD_IMLS
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#undef CONFIG_CMD_LOADS
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#undef CONFIG_CMD_SOURCE
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#define CONFIG_CMD_PING
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#define CONFIG_CMD_DHCP
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#define CONFIG_CMD_USB
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/* SDRAM */
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#define CONFIG_NR_DRAM_BANKS 1
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#define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
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#define CONFIG_SYS_SDRAM_SIZE 0x04000000 /* 64 megs */
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#define CONFIG_SYS_INIT_SP_ADDR (ATMEL_BASE_SRAM1 + 0x1000 - \
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GENERATED_GBL_DATA_SIZE)
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/* SPI EEPROM */
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#define CONFIG_SPI
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#define CONFIG_CMD_SPI
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#define CONFIG_ATMEL_SPI
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#define CONFIG_CMD_EEPROM
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#define CONFIG_SPI_M95XXX
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#define CONFIG_SYS_EEPROM_SIZE 0x10000
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#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 5
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/* SPI RTC */
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#define CONFIG_CMD_DATE
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#define CONFIG_RTC_M41T94
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#define CONFIG_M41T94_SPI_BUS 0
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#define CONFIG_M41T94_SPI_CS 0
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/* NAND flash */
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#define CONFIG_CMD_NAND
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#define CONFIG_NAND_ATMEL
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#define CONFIG_SYS_MAX_NAND_DEVICE 1
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#define CONFIG_SYS_NAND_BASE 0x40000000
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#define CONFIG_SYS_NAND_DBW_8
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/* our ALE is AD21 */
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#define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
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/* our CLE is AD22 */
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#define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
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#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
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#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
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/* NOR flash - no real flash on this board */
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#define CONFIG_SYS_NO_FLASH 1
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/* Ethernet */
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#define CONFIG_MACB
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#define CONFIG_RMII
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#define CONFIG_NET_RETRY_COUNT 20
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#define CONFIG_RESET_PHY_R
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#define CONFIG_MACB_SEARCH_PHY
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#define CONFIG_AT91_WANTS_COMMON_PHY
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/* USB */
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#define CONFIG_USB_ATMEL
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#define CONFIG_USB_ATMEL_CLK_SEL_PLLB
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#define CONFIG_USB_OHCI_NEW
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#define CONFIG_DOS_PARTITION
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#define CONFIG_SYS_USB_OHCI_CPU_INIT
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#define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9260_UHP_BASE */
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#define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260"
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#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
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#define CONFIG_USB_STORAGE
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#define CONFIG_CMD_FAT
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#define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */
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#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
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#define CONFIG_SYS_MEMTEST_END 0x23e00000
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/* Env in EEPROM, bootstrap + u-boot in NAND*/
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#ifdef CONFIG_ENV_IS_IN_EEPROM
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#define CONFIG_ENV_OFFSET 0x20
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#define CONFIG_ENV_SIZE 0x1000
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#endif
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/* Env, bootstrap and u-boot in NAND */
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#ifdef CONFIG_ENV_IS_IN_NAND
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#define CONFIG_ENV_OFFSET 0x60000
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#define CONFIG_ENV_OFFSET_REDUND 0x80000
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#define CONFIG_ENV_SIZE 0x20000
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#endif
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#define CONFIG_BOOTCOMMAND "nboot 0x21000000 0 400000"
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#define CONFIG_BOOTARGS "console=ttyS0,115200 " \
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"root=/dev/mtdblock1 " \
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"mtdparts=atmel_nand:16M(kernel)ro," \
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"120M(rootfs),-(other) " \
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"rw rootfstype=jffs2"
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#define CONFIG_SYS_PROMPT "U-Boot> "
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#define CONFIG_SYS_CBSIZE 256
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#define CONFIG_SYS_MAXARGS 16
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#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
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#define CONFIG_SYS_LONGHELP 1
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#define CONFIG_CMDLINE_EDITING 1
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/*
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* Size of malloc() pool
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*/
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#define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128 * 1024, 0x1000)
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#endif
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