| /* | |
| * 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 | |
| /* 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_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__ */ |