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0cac0fb022
- at91sam9g20-taurus.dts: use labels - cleanup taurus port to compile clean with current mainline again. SPL has no serial output anymore, so it fits into SRAM. Signed-off-by: Heiko Schocher <hs@denx.de>
225 lines
7.1 KiB
C
225 lines
7.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Common board functions for Siemens TAURUS (AT91SAM9G20) based boards
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* (C) Copyright 2013 Siemens AG
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*
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* Based on:
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* U-Boot file: include/configs/at91sam9260ek.h
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*
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* (C) Copyright 2007-2008
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* Stelian Pop <stelian@popies.net>
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* Lead Tech Design <www.leadtechdesign.com>
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*/
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#ifndef __CONFIG_H
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#define __CONFIG_H
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/*
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* SoC must be defined first, before hardware.h is included.
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* In this case SoC is defined in boards.cfg.
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*/
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#include <asm/hardware.h>
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#include <linux/sizes.h>
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#if defined(CONFIG_SPL_BUILD)
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#define CONFIG_SYS_ICACHE_OFF
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#define CONFIG_SYS_DCACHE_OFF
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#endif
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/*
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* Warning: changing CONFIG_SYS_TEXT_BASE requires
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* adapting the initial boot program.
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* Since the linker has to swallow that define, we must use a pure
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* hex number here!
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*/
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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 18432000 /* main clock xtal */
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/* Misc CPU related */
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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_ONLY
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/* general purpose I/O */
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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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#define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */
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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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/*
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* SDRAM: 1 bank, min 32, max 128 MB
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* Initialized before u-boot gets started.
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*/
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#define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
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#define CONFIG_SYS_SDRAM_SIZE (128 * SZ_1M)
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/*
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* Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
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* leaving the correct space for initial global data structure above
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* that address while providing maximum stack area below.
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*/
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#define CONFIG_SYS_INIT_SP_ADDR \
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(ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE)
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/* NAND flash */
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#ifdef CONFIG_CMD_NAND
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#define CONFIG_SYS_MAX_NAND_DEVICE 1
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#define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
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#define CONFIG_SYS_NAND_DBW_8
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#define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
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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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#endif
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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_AT91_WANTS_COMMON_PHY
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/* USB */
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#if defined(CONFIG_BOARD_TAURUS)
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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_SYS_USB_OHCI_CPU_INIT
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#define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000
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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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/* USB DFU support */
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#define CONFIG_USB_GADGET_AT91
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/* DFU class support */
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#define CONFIG_SYS_DFU_DATA_BUF_SIZE (SZ_1M)
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#define DFU_MANIFEST_POLL_TIMEOUT 25000
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#endif
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/* SPI EEPROM */
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#define TAURUS_SPI_MASK (1 << 4)
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#if defined(CONFIG_SPL_BUILD)
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/* SPL related */
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#define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000
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#endif
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/* load address */
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#define CONFIG_SYS_LOAD_ADDR 0x22000000
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/* bootstrap in spi flash , u-boot + env + linux in nandflash */
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#define CONFIG_ENV_OFFSET 0x100000
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#define CONFIG_ENV_OFFSET_REDUND 0x180000
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#define CONFIG_ENV_SIZE (SZ_128K) /* 1 sector = 128 kB */
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#ifndef CONFIG_SPL_BUILD
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#if defined(CONFIG_BOARD_AXM)
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#define CONFIG_EXTRA_ENV_SETTINGS \
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"addip=setenv bootargs ${bootargs} ip=${ipaddr}:${serverip}:" \
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"${gatewayip}:${netmask}:${hostname}:${netdev}::off\0" \
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"addtest=setenv bootargs ${bootargs} loglevel=4 test\0" \
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"boot_file=setenv bootfile /${project_dir}/kernel/uImage\0" \
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"boot_retries=0\0" \
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"ethact=macb0\0" \
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"flash_nfs=run nand_kernel;run nfsargs;run addip;" \
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"upgrade_available;bootm ${kernel_ram};reset\0" \
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"flash_self=run nand_kernel;run setbootargs;upgrade_available;" \
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"bootm ${kernel_ram};reset\0" \
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"flash_self_test=run nand_kernel;run setbootargs addtest;" \
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"upgrade_available;bootm ${kernel_ram};reset\0" \
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"hostname=systemone\0" \
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"kernel_Off=0x00200000\0" \
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"kernel_Off_fallback=0x03800000\0" \
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"kernel_ram=0x21500000\0" \
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"kernel_size=0x00400000\0" \
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"kernel_size_fallback=0x00400000\0" \
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"loads_echo=1\0" \
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"nand_kernel=nand read.e ${kernel_ram} ${kernel_Off} " \
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"${kernel_size}\0" \
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"net_nfs=run boot_file;tftp ${kernel_ram} ${bootfile};" \
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"run nfsargs;run addip;upgrade_available;" \
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"bootm ${kernel_ram};reset\0" \
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"netdev=eth0\0" \
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"nfsargs=run root_path;setenv bootargs ${bootargs} root=/dev/nfs " \
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"rw nfsroot=${serverip}:${rootpath} " \
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"at91sam9_wdt.wdt_timeout=16\0" \
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"partitionset_active=A\0" \
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"preboot=echo;echo Type 'run flash_self' to use kernel and root " \
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"filesystem on memory;echo Type 'run flash_nfs' to use " \
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"kernel from memory and root filesystem over NFS;echo Type " \
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"'run net_nfs' to get Kernel over TFTP and mount root " \
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"filesystem over NFS;echo\0" \
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"project_dir=systemone\0" \
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"root_path=setenv rootpath /home/projects/${project_dir}/rootfs\0" \
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"rootfs=/dev/mtdblock5\0" \
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"rootfs_fallback=/dev/mtdblock7\0" \
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"setbootargs=setenv bootargs ${bootargs} console=ttyMTD,mtdoops " \
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"root=${rootfs} rootfstype=jffs2 panic=7 " \
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"at91sam9_wdt.wdt_timeout=16\0" \
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"stderr=serial\0" \
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"stdin=serial\0" \
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"stdout=serial\0" \
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"upgrade_available=0\0"
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#endif
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#endif /* #ifndef CONFIG_SPL_BUILD */
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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 \
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ROUND(3 * CONFIG_ENV_SIZE + SZ_4M, 0x1000)
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/* Defines for SPL */
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#define CONFIG_SPL_MAX_SIZE (31 * SZ_512)
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#define CONFIG_SPL_STACK (ATMEL_BASE_SRAM1 + SZ_16K)
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#define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SYS_TEXT_BASE - \
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CONFIG_SYS_MALLOC_LEN)
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#define CONFIG_SYS_SPL_MALLOC_SIZE CONFIG_SYS_MALLOC_LEN
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#define CONFIG_SPL_BSS_START_ADDR CONFIG_SPL_MAX_SIZE
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#define CONFIG_SPL_BSS_MAX_SIZE (3 * SZ_512)
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#define CONFIG_SYS_NAND_ENABLE_PIN_SPL (2*32 + 14)
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#define CONFIG_SYS_USE_NANDFLASH 1
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#define CONFIG_SPL_NAND_DRIVERS
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#define CONFIG_SPL_NAND_BASE
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#define CONFIG_SPL_NAND_ECC
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#define CONFIG_SPL_NAND_RAW_ONLY
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#define CONFIG_SPL_NAND_SOFTECC
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#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x20000
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#define CONFIG_SYS_NAND_U_BOOT_SIZE SZ_512K
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#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
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#define CONFIG_SYS_NAND_U_BOOT_DST CONFIG_SYS_TEXT_BASE
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#define CONFIG_SYS_NAND_5_ADDR_CYCLE
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#define CONFIG_SYS_NAND_SIZE (256 * SZ_1M)
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#define CONFIG_SYS_NAND_PAGE_SIZE SZ_2K
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#define CONFIG_SYS_NAND_BLOCK_SIZE (SZ_128K)
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#define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \
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CONFIG_SYS_NAND_PAGE_SIZE)
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#define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS
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#define CONFIG_SYS_NAND_ECCSIZE 256
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#define CONFIG_SYS_NAND_ECCBYTES 3
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#define CONFIG_SYS_NAND_OOBSIZE 64
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#define CONFIG_SYS_NAND_ECCPOS { 40, 41, 42, 43, 44, 45, 46, 47, \
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48, 49, 50, 51, 52, 53, 54, 55, \
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56, 57, 58, 59, 60, 61, 62, 63, }
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#define CONFIG_SPL_ATMEL_SIZE
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#define CONFIG_SYS_MASTER_CLOCK 132096000
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#define AT91_PLL_LOCK_TIMEOUT 1000000
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#define CONFIG_SYS_AT91_PLLA 0x202A3F01
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#define CONFIG_SYS_MCKR 0x1300
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#define CONFIG_SYS_MCKR_CSS (0x02 | CONFIG_SYS_MCKR)
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#define CONFIG_SYS_AT91_PLLB 0x10193F05
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#define CONFIG_SPL_PAD_TO CONFIG_SYS_NAND_U_BOOT_OFFS
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#define CONFIG_SYS_SPL_LEN CONFIG_SPL_PAD_TO
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#endif
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