| /* |
| * bur_am335x_common.h |
| * |
| * common parts used by B&R AM335x based boards |
| * |
| * Copyright (C) 2013 Hannes Schmelzer <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 BUR_COMMON_ENV \ |
| "usbscript=usb start && fatload usb 0 0x80000000 usbscript.img && source\0" \ |
| "brdefaultip=if test -r ${ipaddr}; then; else" \ |
| " setenv ipaddr 192.168.60.1; setenv serverip 192.168.60.254;" \ |
| " setenv gatewayip 192.168.60.254; setenv netmask 255.255.255.0; fi;\0" \ |
| "netconsole=echo switching to network console ...; " \ |
| "if dhcp; then; else run brdefaultip; fi; setenv ncip ${serverip}; " \ |
| "setcurs 1 9; lcdputs myip; setcurs 10 9; lcdputs ${ipaddr};" \ |
| "setcurs 1 10;lcdputs serverip; setcurs 10 10; lcdputs ${serverip};" \ |
| "setenv stdout nc;setenv stdin nc;setenv stderr nc\0" |
| |
| #define CONFIG_PREBOOT "run brdefaultip" |
| #define CONFIG_CMD_TIME |
| |
| #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_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 2 |
| #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" |
| /* Network console */ |
| #define CONFIG_NETCONSOLE 1 |
| #define CONFIG_BOOTP_MAY_FAIL /* if we don't have DHCP environment */ |
| /* |
| * 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 (5120 << 10) |
| #define CONFIG_SYS_HUSH_PARSER |
| #define CONFIG_SYS_CONSOLE_INFO_QUIET |
| #define CONFIG_ENV_OVERWRITE /* Overwrite ethaddr / serial# */ |
| #define CONFIG_SYS_CONSOLE_IS_IN_ENV |
| #define CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE |
| |
| /* 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 |
| |
| /* |
| * 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. |
| * |
| * ---------------------------------------------------------------------------- |
| */ |
| #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__ */ |