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