mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-05 11:00:15 +00:00
96de041ed9
Since RTC-Clock is needed on all B&R boards, the OSC will be enabled wihtin SPL-stage. Signed-off-by: Hannes Petermaier <oe5hpm@oevsv.at>
196 lines
7.1 KiB
C
196 lines
7.1 KiB
C
/*
|
|
* 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_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
|
|
|
|
/* 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__ */
|