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Diffstat (limited to 'include/configs/bur_am335x_common.h')
| -rw-r--r-- | include/configs/bur_am335x_common.h | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/include/configs/bur_am335x_common.h b/include/configs/bur_am335x_common.h new file mode 100644 index 0000000000..1f57bd2744 --- /dev/null +++ b/include/configs/bur_am335x_common.h @@ -0,0 +1,197 @@ +/* + * 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_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 <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_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 <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 +#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__ */ |
