/* * bur_am335x_common.h * * common parts used by B&R AM335x based boards * * Copyright (C) 2013 Hannes Petermaier - * 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_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_POWER_SUPPORT #define CONFIG_POWER_TPS65217 #define CONFIG_SYS_NO_FLASH /* have no NOR-flash */ #include /* 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_ADDR 1 #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 /* 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 /* 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 #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__ */