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https://github.com/AsahiLinux/u-boot
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3e6a52c6ca
in almost all cases we need the i2c commands within the u-boot shell. So we enable them within the common section. Cc: trini@ti.com Signed-off-by: Hannes Petermaier <oe5hpm@oevsv.at>
198 lines
7.1 KiB
C
198 lines
7.1 KiB
C
/*
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* bur_am335x_common.h
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*
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* common parts used by B&R AM335x based boards
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*
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* Copyright (C) 2013 Hannes Petermaier <oe5hpm@oevsv.at> -
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* Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __BUR_AM335X_COMMON_H__
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#define __BUR_AM335X_COMMON_H__
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/* ------------------------------------------------------------------------- */
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#define CONFIG_SYS_GENERIC_BOARD
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#define CONFIG_AM33XX
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#define CONFIG_OMAP
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#define CONFIG_OMAP_COMMON
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#define CONFIG_BOARD_LATE_INIT
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#define CONFIG_SYS_CACHELINE_SIZE 64
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#define CONFIG_MAX_RAM_BANK_SIZE (1024 << 20) /* 1GB */
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/* Timer information */
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#define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */
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#define CONFIG_SYS_TIMERBASE 0x48040000 /* Use Timer2 */
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#define CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC /* enable 32kHz OSC at bootime */
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#define CONFIG_SPL_POWER_SUPPORT
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#define CONFIG_POWER_TPS65217
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#define CONFIG_SYS_NO_FLASH /* have no NOR-flash */
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#include <asm/arch/omap.h>
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/* NS16550 Configuration */
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#define CONFIG_SYS_NS16550
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#define CONFIG_SYS_NS16550_SERIAL
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#define CONFIG_SYS_NS16550_REG_SIZE (-4)
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#define CONFIG_SYS_NS16550_CLK 48000000
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#define CONFIG_SYS_NS16550_COM1 0x44e09000 /* UART0 */
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#define CONFIG_BAUDRATE 115200
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/* Network defines */
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#define CONFIG_CMD_NET /* 'bootp' and 'tftp' */
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#define CONFIG_CMD_DHCP
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#define CONFIG_BOOTP_DNS /* Configurable parts of CMD_DHCP */
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#define CONFIG_BOOTP_SEND_HOSTNAME
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#define CONFIG_BOOTP_GATEWAY
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#define CONFIG_BOOTP_SUBNETMASK
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#define CONFIG_NET_RETRY_COUNT 4
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#define CONFIG_CMD_PING
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#define CONFIG_DRIVER_TI_CPSW /* Driver for IP block */
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#define CONFIG_MII /* Required in net/eth.c */
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#define CONFIG_SPL_ETH_SUPPORT
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#define CONFIG_PHYLIB
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#define CONFIG_PHY_NATSEMI
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#define CONFIG_SPL_NET_SUPPORT
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#define CONFIG_SPL_ENV_SUPPORT /* used for a fetching MAC-Address */
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#define CONFIG_SPL_NET_VCI_STRING "AM335x U-Boot SPL"
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/*
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* SPL related defines. The Public RAM memory map the ROM defines the
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* area between 0x402F0400 and 0x4030B800 as a download area and
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* 0x4030B800 to 0x4030CE00 as a public stack area. The ROM also
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* supports X-MODEM loading via UART, and we leverage this and then use
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* Y-MODEM to load u-boot.img, when booted over UART.
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*/
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#define CONFIG_SPL_TEXT_BASE 0x402F0400
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#define CONFIG_SPL_MAX_SIZE (0x4030B800 - CONFIG_SPL_TEXT_BASE)
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/*
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* Since SPL did pll and ddr initialization for us,
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* we don't need to do it twice.
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*/
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#if !defined(CONFIG_SPL_BUILD) && !defined(CONFIG_NOR_BOOT)
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#define CONFIG_SKIP_LOWLEVEL_INIT
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#endif /* !CONFIG_SPL_BUILD, ... */
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/*
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* Our DDR memory always starts at 0x80000000 and U-Boot shall have
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* relocated itself to higher in memory by the time this value is used.
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*/
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#define CONFIG_SYS_LOAD_ADDR 0x80000000
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/*
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* ----------------------------------------------------------------------------
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* DDR information. We say (for simplicity) that we have 1 bank,
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* always, even when we have more. We always start at 0x80000000,
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* and we place the initial stack pointer in our SRAM.
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*/
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#define CONFIG_NR_DRAM_BANKS 1
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#define CONFIG_SYS_SDRAM_BASE 0x80000000
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#define CONFIG_SYS_INIT_SP_ADDR (NON_SECURE_SRAM_END - \
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GENERATED_GBL_DATA_SIZE)
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/* I2C */
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#define CONFIG_SYS_I2C
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#define CONFIG_SYS_OMAP24_I2C_SPEED 100000
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#define CONFIG_SYS_OMAP24_I2C_SLAVE 1
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#define CONFIG_SYS_I2C_OMAP24XX
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#define CONFIG_CMD_I2C
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/* GPIO */
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#define CONFIG_OMAP_GPIO
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#define CONFIG_CMD_GPIO
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/*
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* ----------------------------------------------------------------------------
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* The following are general good-enough settings for U-Boot. We set a
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* large malloc pool as we generally have a lot of DDR, and we opt for
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* function over binary size in the main portion of U-Boot as this is
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* generally easily constrained later if needed. We enable the config
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* options that give us information in the environment about what board
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* we are on so we do not need to rely on the command prompt. We set a
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* console baudrate of 115200 and use the default baud rate table.
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*/
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#define CONFIG_SYS_MALLOC_LEN (1024 << 10)
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#define CONFIG_SYS_HUSH_PARSER
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#define CONFIG_SYS_PROMPT "U-Boot (BuR V2.0)# "
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#define CONFIG_SYS_CONSOLE_INFO_QUIET
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#define CONFIG_ENV_OVERWRITE /* Overwrite ethaddr / serial# */
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/* As stated above, the following choices are optional. */
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#define CONFIG_SYS_LONGHELP
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#define CONFIG_AUTO_COMPLETE
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#define CONFIG_CMDLINE_EDITING
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#define CONFIG_VERSION_VARIABLE
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/* We set the max number of command args high to avoid HUSH bugs. */
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#define CONFIG_SYS_MAXARGS 64
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/* Console I/O Buffer Size */
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#define CONFIG_SYS_CBSIZE 512
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/* Print Buffer Size */
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#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE +\
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sizeof(CONFIG_SYS_PROMPT) + 16)
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/* Boot Argument Buffer Size */
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#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
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/*
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* For commands to use, we take the default list and add a few other
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* useful commands. Note that we must have set CONFIG_SYS_NO_FLASH
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* prior to this include, in order to skip a few commands. When we do
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* have flash, if we expect these commands they must be enabled in that
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* config. If desired, a specific list of desired commands can be used
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* instead.
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*/
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#include <config_cmd_default.h>
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/* undefine commands, which we do not need */
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#undef CONFIG_CMD_EDITENV
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#undef CONFIG_CMD_FPGA
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#undef CONFIG_CMD_IMI
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#undef CONFIG_CMD_ITEST
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#undef CONFIG_CMD_LOADS
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#undef CONFIG_CMD_LOADB
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#undef CONFIG_CMD_NFS
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#undef CONFIG_CMD_SETGETDCR
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#undef CONFIG_CMD_XIMG
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#undef CONFIG_CMD_CRC32
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/* define command we need always */
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#define CONFIG_CMD_ECHO
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#define CONFIG_CMD_SOURCE
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/*
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* Our platforms make use of SPL to initalize the hardware (primarily
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* memory) enough for full U-Boot to be loaded. We also support Falcon
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* Mode so that the Linux kernel can be booted directly from SPL
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* instead, if desired. We make use of the general SPL framework found
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* under common/spl/. Given our generally common memory map, we set a
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* number of related defaults and sizes here.
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*/
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#define CONFIG_SPL
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#define CONFIG_SPL_FRAMEWORK
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/*
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* Place the image at the start of the ROM defined image space.
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* We limit our size to the ROM-defined downloaded image area, and use the
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* rest of the space for stack. We load U-Boot itself into memory at
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* 0x80800000 for legacy reasons (to not conflict with older SPLs). We
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* have our BSS be placed 1MiB after this, to allow for the default
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* Linux kernel address of 0x80008000 to work, in the Falcon Mode case.
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* We have the SPL malloc pool at the end of the BSS area.
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*
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* ----------------------------------------------------------------------------
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*/
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#define CONFIG_SPL_STACK CONFIG_SYS_INIT_SP_ADDR
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#undef CONFIG_SYS_TEXT_BASE
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#define CONFIG_SYS_TEXT_BASE 0x80800000
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#define CONFIG_SPL_BSS_START_ADDR 0x80A00000
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#define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */
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#define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SPL_BSS_START_ADDR + \
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CONFIG_SPL_BSS_MAX_SIZE)
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#define CONFIG_SYS_SPL_MALLOC_SIZE CONFIG_SYS_MALLOC_LEN
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/* General parts of the framework, required. */
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#define CONFIG_SPL_I2C_SUPPORT
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#define CONFIG_SPL_LIBCOMMON_SUPPORT
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#define CONFIG_SPL_LIBGENERIC_SUPPORT
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#define CONFIG_SPL_SERIAL_SUPPORT
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#define CONFIG_SPL_BOARD_INIT
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#define CONFIG_SPL_YMODEM_SUPPORT
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#define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/am33xx/u-boot-spl.lds"
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#endif /* ! __BUR_AM335X_COMMON_H__ */
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