--- /dev/null
+/*
+ * 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__ */
Code Review / kvmfornfv.git / blobdiff