board: Add support for B&R T-Series Motherboard

Adds support for Bernecker & Rainer Industrieelektronik GmbH T-Series
Motherboard, using TI's AM3352 SoC.

Most of code is derived from TI's AM335x_EVM

Signed-off-by: Hannes Petermaier <oe5hpm@oevsv.at>

2 files changed, 462 insertions, 0 deletions

diff --git a/include/configs/bur_am335x_common.h b/include/configs/bur_am335x_common.h
new file mode 100644
index 0000000..1f57bd2
--- /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__ */
diff --git a/include/configs/tseries.h b/include/configs/tseries.h
new file mode 100644
index 0000000..8fb87ac
--- /dev/null
+++ b/include/configs/tseries.h
@@ -0,0 +1,265 @@
+/*
+ * tseries.h
+ *
+ * specific parts for B&R T-Series Motherboard
+ *
+ * Copyright (C) 2013 Hannes Petermaier <oe5hpm@oevsv.at> -
+ * Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
+ *
+ * SPDX-License-Identifier:        GPL-2.0+
+ */
+
+#ifndef __CONFIG_TSERIES_H__
+#define __CONFIG_TSERIES_H__
+
+#include <configs/bur_am335x_common.h>
+/* ------------------------------------------------------------------------- */
+/* Clock Defines */
+#define V_OSCK				26000000  /* Clock output from T2 */
+#define V_SCLK				(V_OSCK)
+
+#define CONFIG_POWER_TPS65217
+
+/* Support both device trees and ATAGs. */
+#define CONFIG_OF_LIBFDT
+#define CONFIG_CMDLINE_TAG
+#define CONFIG_SETUP_MEMORY_TAGS
+#define CONFIG_INITRD_TAG
+#define CONFIG_CMD_BOOTZ
+/*#define CONFIG_MACH_TYPE		3589*/
+#define CONFIG_MACH_TYPE		0xFFFFFFFF /* TODO: check with kernel*/
+
+/* MMC/SD IP block */
+#if defined(CONFIG_EMMC_BOOT)
+ #define CONFIG_MMC
+ #define CONFIG_GENERIC_MMC
+ #define CONFIG_OMAP_HSMMC
+ #define CONFIG_CMD_MMC
+ #define CONFIG_SUPPORT_EMMC_BOOT
+/* RAW SD card / eMMC locations. */
+ #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR	0x300 /*addr. 0x60000 */
+ #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS		0x200 /* 256 KB */
+ #define CONFIG_SPL_MMC_SUPPORT
+#endif /* CONFIG_EMMC_BOOT */
+
+/*
+ * When we have SPI or NAND flash we expect to be making use of mtdparts,
+ * both for ease of use in U-Boot and for passing information on to
+ * the Linux kernel.
+ */
+#if defined(CONFIG_SPI_BOOT) || defined(CONFIG_NAND)
+#define CONFIG_MTD_DEVICE		/* Required for mtdparts */
+#define CONFIG_CMD_MTDPARTS
+#endif /* CONFIG_SPI_BOOT, ... */
+
+#undef CONFIG_SPL_OS_BOOT
+#ifdef CONFIG_SPL_OS_BOOT
+#define CONFIG_SYS_SPL_ARGS_ADDR		0x80F80000
+
+/* RAW SD card / eMMC */
+#define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR	0x900	/* address 0x120000 */
+#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR	0x80	/* address 0x10000 */
+#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS	0x80	/* 64KiB */
+
+/* NAND */
+#ifdef CONFIG_NAND
+#define CONFIG_CMD_SPL_NAND_OFS			0x080000 /* end of u-boot */
+#define CONFIG_SYS_NAND_SPL_KERNEL_OFFS		0x140000
+#define CONFIG_CMD_SPL_WRITE_SIZE		0x2000
+#endif /* CONFIG_NAND */
+#endif /* CONFIG_SPL_OS_BOOT */
+
+#ifdef CONFIG_NAND
+#define CONFIG_SPL_NAND_AM33XX_BCH	/* OMAP4 and later ELM support */
+#define CONFIG_SPL_NAND_SUPPORT
+#define CONFIG_SPL_NAND_BASE
+#define CONFIG_SPL_NAND_DRIVERS
+#define CONFIG_SPL_NAND_ECC
+#define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
+#define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000
+#endif /* CONFIG_NAND */
+
+/* Always 128 KiB env size */
+#define CONFIG_ENV_SIZE			(128 << 10)
+
+#ifdef CONFIG_NAND
+#define NANDARGS \
+	"mtdids=" MTDIDS_DEFAULT "\0" \
+	"mtdparts=" MTDPARTS_DEFAULT "\0" \
+	"nandargs=setenv bootargs console=${console} " \
+		"${optargs} " \
+		"root=${nandroot} " \
+		"rootfstype=${nandrootfstype}\0" \
+	"nandroot=ubi0:rootfs rw ubi.mtd=8,2048\0" \
+	"nandrootfstype=ubifs rootwait=1\0" \
+	"nandimgsize=0x500000\0" \
+	"nandboot=echo Booting from nand ...; " \
+		"run nandargs; " \
+		"nand read ${loadaddr} kernel ${nandimgsize}; " \
+		"bootz ${loadaddr}\0"
+#else
+#define NANDARGS ""
+#endif /* CONFIG_NAND */
+
+#ifdef CONFIG_MMC
+#define MMCARGS \
+	"silent=1\0"
+#else
+#define MMCARGS ""
+#endif /* CONFIG_MMC */
+
+#ifndef CONFIG_SPL_BUILD
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	"autoload=0\0" \
+	"loadaddr=0x80200000\0" \
+	"bootfile=zImage\0" \
+	"console=ttyO0,115200n8\0" \
+	"optargs=\0" \
+	"rootpath=/tftpboot/tseries/rootfs-small\0" \
+	"nfsopts=nolock\0" \
+	"netargs=setenv bootargs console=${console} " \
+		"${optargs} " \
+		"root=/dev/nfs " \
+		"nfsroot=${serverip}:${rootpath},${nfsopts} rw " \
+		"ip=dhcp\0" \
+	"netboot=echo Booting from network ...; " \
+		"setenv autoload no; " \
+		"dhcp; " \
+		"tftp ${loadaddr} ${bootfile}; " \
+		"run netargs; " \
+		"bootm ${loadaddr}\0" \
+	"usbupdate=echo Updating UBOOT from USB-Stick ...; " \
+		"usb start; " \
+		"fatload usb 0 0x80000000 updateubootusb.img; " \
+		"source;\0" \
+	"netupdate=echo Updating UBOOT from Network (TFTP) ...; " \
+		"setenv autoload 0; " \
+		"dhcp;" \
+		"tftp 0x80000000 updateUBOOT.img;" \
+		"source;\0" \
+	NANDARGS \
+	MMCARGS
+#endif /* !CONFIG_SPL_BUILD*/
+
+#define CONFIG_BOOTCOMMAND \
+	"run mmcboot1;"
+#define CONFIG_BOOTDELAY		1 /* TODO: für release auf 0 setzen */
+
+#ifdef CONFIG_NAND
+/*
+ * GPMC  block.  We support 1 device and the physical address to
+ * access CS0 at is 0x8000000.
+ */
+#define CONFIG_SYS_MAX_NAND_DEVICE	1
+#define CONFIG_SYS_NAND_BASE		0x8000000
+#define CONFIG_NAND_OMAP_GPMC
+#define CONFIG_CMD_NAND
+/* don't change OMAP_ELM, ECCSCHEME. ROM code only supports this */
+#define CONFIG_NAND_OMAP_ELM
+#define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_BCH8_CODE_HW
+#define GPMC_NAND_ECC_LP_x16_LAYOUT	1
+#define CONFIG_SYS_NAND_5_ADDR_CYCLE
+#define CONFIG_SYS_NAND_BLOCK_SIZE	(128*1024)
+#define CONFIG_SYS_NAND_PAGE_SIZE	2048
+#define CONFIG_SYS_NAND_PAGE_COUNT	(CONFIG_SYS_NAND_BLOCK_SIZE / \
+					CONFIG_SYS_NAND_PAGE_SIZE)
+#define CONFIG_SYS_NAND_OOBSIZE		64
+#define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS
+#define CONFIG_SYS_NAND_ECCPOS		{2, 3, 4, 5, 6, 7, 8, 9, \
+					10, 11, 12, 13, 14, 15, 16, 17, \
+					18, 19, 20, 21, 22, 23, 24, 25, \
+					26, 27, 28, 29, 30, 31, 32, 33, \
+					34, 35, 36, 37, 38, 39, 40, 41, \
+					42, 43, 44, 45, 46, 47, 48, 49, \
+					50, 51, 52, 53, 54, 55, 56, 57, }
+
+#define CONFIG_SYS_NAND_ECCSIZE		512
+#define CONFIG_SYS_NAND_ECCBYTES	14
+
+#define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
+#define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000
+
+#define MTDIDS_DEFAULT			"nand0=omap2-nand.0"
+#define MTDPARTS_DEFAULT		"mtdparts=omap2-nand.0:" \
+					"128k(SPL)," \
+					"128k(SPL.backup1)," \
+					"128k(SPL.backup2)," \
+					"128k(SPL.backup3)," \
+					"512k(u-boot)," \
+					"128k(u-boot-spl-os)," \
+					"128k(u-boot-env)," \
+					"5m(kernel),"\
+					"-(rootfs)"
+#endif /* CONFIG_NAND */
+
+/* USB configuration */
+#define CONFIG_USB_MUSB_DSPS
+#define CONFIG_ARCH_MISC_INIT
+#define CONFIG_MUSB_PIO_ONLY
+#define CONFIG_MUSB_DISABLE_BULK_COMBINE_SPLIT
+/* attention! not only for gadget, enables also highspeed in hostmode */
+#define CONFIG_USB_GADGET_DUALSPEED
+#define CONFIG_MUSB_HOST
+#define CONFIG_AM335X_USB0
+#define CONFIG_AM335X_USB0_MODE	MUSB_HOST
+#define CONFIG_AM335X_USB1
+#define CONFIG_AM335X_USB1_MODE MUSB_HOST
+
+#ifdef CONFIG_MUSB_HOST
+#define CONFIG_CMD_USB
+#define CONFIG_USB_STORAGE
+#endif /* CONFIG_MUSB_HOST */
+
+#if defined(CONFIG_SPI_BOOT)
+/* McSPI IP block */
+#define CONFIG_SPI
+#define CONFIG_OMAP3_SPI
+#define CONFIG_CMD_SPI
+#define CONFIG_CMD_SF
+#define CONFIG_SPI_FLASH
+#define CONFIG_SPI_FLASH_STMICRO
+#define CONFIG_SF_DEFAULT_SPEED		24000000
+
+#define CONFIG_SPL_SPI_SUPPORT
+#define CONFIG_SPL_SPI_FLASH_SUPPORT
+#define CONFIG_SPL_SPI_LOAD
+#define CONFIG_SPL_SPI_BUS		0
+#define CONFIG_SPL_SPI_CS		0
+#define CONFIG_SYS_SPI_U_BOOT_OFFS	0x20000
+#undef CONFIG_ENV_IS_NOWHERE
+#define CONFIG_ENV_IS_IN_SPI_FLASH
+#define CONFIG_SYS_REDUNDAND_ENVIRONMENT
+#define CONFIG_ENV_SPI_MAX_HZ		CONFIG_SF_DEFAULT_SPEED
+#define CONFIG_ENV_SECT_SIZE		(4 << 10) /* 4 KB sectors */
+#define CONFIG_ENV_OFFSET		(768 << 10) /* 768 KiB in */
+#define CONFIG_ENV_OFFSET_REDUND	(896 << 10) /* 896 KiB in */
+
+#elif defined(CONFIG_EMMC_BOOT)
+#undef CONFIG_ENV_IS_NOWHERE
+#define CONFIG_ENV_IS_IN_MMC
+#define CONFIG_SYS_MMC_ENV_DEV		1
+#define CONFIG_SYS_MMC_ENV_PART		2
+#define CONFIG_ENV_OFFSET		0x40000	/* TODO: Adresse definieren */
+#define CONFIG_ENV_OFFSET_REDUND	(CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
+#define CONFIG_SYS_REDUNDAND_ENVIRONMENT
+
+#elif defined(CONFIG_NAND)
+#undef CONFIG_ENV_IS_NOWHERE
+#define CONFIG_ENV_IS_IN_NAND
+#define CONFIG_ENV_OFFSET		0x120000 /* TODO: Adresse definieren */
+#define CONFIG_SYS_ENV_SECT_SIZE	CONFIG_ENV_SIZE
+#else
+#error "no storage for Environment defined!"
+#endif
+/*
+ * Common filesystems support.  When we have removable storage we
+ * enabled a number of useful commands and support.
+ */
+#if defined(CONFIG_MMC) || defined(CONFIG_USB_STORAGE)
+#define CONFIG_DOS_PARTITION
+#define CONFIG_CMD_FAT
+#define CONFIG_FAT_WRITE
+#define CONFIG_CMD_FS_GENERIC
+#endif /* CONFIG_MMC, ... */
+
+#endif	/* ! __CONFIG_TSERIES_H__ */