mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-17 18:28:55 +00:00
fa2f81b06f
On all TI platforms the ROM defines a "downloaded image" area at or near the start of SRAM which is followed by a reserved area. As it is at best bad form and at worst possibly harmful in corner cases to write in this reserved area, we stop doing that by adding in the define NON_SECURE_SRAM_IMG_END to say where the end of the downloaded image area is and make SRAM_SCRATCH_SPACE_ADDR be one kilobyte before this. At current we define the end of scratch space at 0x228 bytes past the start of scratch space this this gives us a lot of room to grow. As these scratch uses are non-optional today, all targets are modified to respect this boundary. Tested on OMAP4 Pandaboard, OMAP3 Beagle xM Cc: Albert Aribaud <albert.u.boot@aribaud.net> Cc: Nagendra T S <nagendra@mistralsolutions.com> Cc: Vaibhav Hiremath <hvaibhav@ti.com> Cc: Lokesh Vutla <lokeshvutla@ti.com> Cc: Felipe Balbi <balbi@ti.com> Cc: Igor Grinberg <grinberg@compulab.co.il> Cc: Nikita Kiryanov <nikita@compulab.co.il> Cc: Paul Kocialkowski <contact@paulk.fr> Cc: Enric Balletbo i Serra <eballetbo@gmail.com> Cc: Adam Ford <aford173@gmail.com> Cc: Steve Sakoman <sakoman@gmail.com> Cc: Stefan Roese <sr@denx.de> Cc: Thomas Weber <weber@corscience.de> Cc: Hannes Schmelzer <oe5hpm@oevsv.at> Cc: Thomas Chou <thomas@wytron.com.tw> Cc: Masahiro Yamada <yamada.masahiro@socionext.com> Cc: Simon Glass <sjg@chromium.org> Cc: Joe Hershberger <joe.hershberger@ni.com> Cc: Sam Protsenko <semen.protsenko@linaro.org> Cc: Heiko Schocher <hs@denx.de> Cc: Samuel Egli <samuel.egli@siemens.com> Cc: Michal Simek <michal.simek@xilinx.com> Cc: Wolfgang Denk <wd@denx.de> Cc: Mateusz Kulikowski <mateusz.kulikowski@gmail.com> Cc: Ben Whitten <ben.whitten@gmail.com> Cc: Stefano Babic <sbabic@denx.de> Cc: Bin Meng <bmeng.cn@gmail.com> Cc: Sekhar Nori <nsekhar@ti.com> Cc: Mugunthan V N <mugunthanvnm@ti.com> Cc: "B, Ravi" <ravibabu@ti.com> Cc: "Matwey V. Kornilov" <matwey.kornilov@gmail.com> Cc: Ladislav Michl <ladis@linux-mips.org> Cc: Ash Charles <ashcharles@gmail.com> Cc: "Kipisz, Steven" <s-kipisz2@ti.com> Cc: Daniel Allred <d-allred@ti.com> Signed-off-by: Tom Rini <trini@konsulko.com> Tested-by: Lokesh Vutla <lokeshvutla@ti.com> Acked-by: Lokesh Vutla <lokeshvutla@ti.com> Tested-by: Ladislav Michl <ladis@linux-mips.org>
418 lines
12 KiB
C
418 lines
12 KiB
C
/*
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* Copyright (C) 2011
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* Stefano Babic, DENX Software Engineering, sbabic@denx.de.
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*
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* Copyright (C) 2009 TechNexion Ltd.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __TAM3517_H
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#define __TAM3517_H
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/*
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* High Level Configuration Options
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*/
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#define CONFIG_OMAP /* in a TI OMAP core */
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#define CONFIG_OMAP_GPIO
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#define CONFIG_OMAP_COMMON
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/* Common ARM Erratas */
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#define CONFIG_ARM_ERRATA_454179
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#define CONFIG_ARM_ERRATA_430973
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#define CONFIG_ARM_ERRATA_621766
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#define CONFIG_SYS_TEXT_BASE 0x80008000
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#define CONFIG_EMIF4 /* The chip has EMIF4 controller */
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#include <asm/arch/cpu.h> /* get chip and board defs */
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#include <asm/arch/omap.h>
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/*
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* Display CPU and Board information
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*/
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#define CONFIG_DISPLAY_CPUINFO
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#define CONFIG_DISPLAY_BOARDINFO
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/* Clock Defines */
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#define V_OSCK 26000000 /* Clock output from T2 */
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#define V_SCLK (V_OSCK >> 1)
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#define CONFIG_MISC_INIT_R
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#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
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#define CONFIG_SETUP_MEMORY_TAGS
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#define CONFIG_INITRD_TAG
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#define CONFIG_REVISION_TAG
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/*
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* Size of malloc() pool
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*/
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#define CONFIG_ENV_SIZE (128 << 10) /* 128 KiB sector */
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#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (128 << 10) + \
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2 * 1024 * 1024)
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/*
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* DDR related
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*/
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#define CONFIG_OMAP3_MICRON_DDR /* Micron DDR */
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#define CONFIG_SYS_CS0_SIZE (256 * 1024 * 1024)
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/*
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* Hardware drivers
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*/
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/*
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* NS16550 Configuration
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*/
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#define CONFIG_SYS_NS16550_SERIAL
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#define CONFIG_SYS_NS16550_REG_SIZE (-4)
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#define CONFIG_SYS_NS16550_CLK 48000000 /* 48MHz (APLL96/2) */
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/*
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* select serial console configuration
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*/
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#define CONFIG_CONS_INDEX 1
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#define CONFIG_SYS_NS16550_COM1 OMAP34XX_UART1
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#define CONFIG_SERIAL1 /* UART1 */
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/* allow to overwrite serial and ethaddr */
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#define CONFIG_ENV_OVERWRITE
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#define CONFIG_BAUDRATE 115200
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#define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600,\
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115200}
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#define CONFIG_MMC
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#define CONFIG_OMAP_HSMMC
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#define CONFIG_GENERIC_MMC
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#define CONFIG_DOS_PARTITION
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/* EHCI */
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#define CONFIG_OMAP3_GPIO_5
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#define CONFIG_USB_EHCI
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#define CONFIG_USB_EHCI_OMAP
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#define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO 25
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#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 3
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#define CONFIG_USB_STORAGE
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/* commands to include */
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#define CONFIG_CMD_NAND /* NAND support */
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#define CONFIG_CMD_EEPROM
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#define CONFIG_SYS_NO_FLASH
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#define CONFIG_SYS_I2C
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#define CONFIG_SYS_OMAP24_I2C_SPEED 400000
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#define CONFIG_SYS_OMAP24_I2C_SLAVE 1
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#define CONFIG_SYS_I2C_OMAP34XX
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#define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* base address */
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#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 /* bytes of address */
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#define CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW 0x07
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/*
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* Board NAND Info.
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*/
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#define CONFIG_SYS_NAND_BASE NAND_BASE /* physical address */
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/* to access */
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/* nand at CS0 */
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#define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of */
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/* NAND devices */
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#define CONFIG_AUTO_COMPLETE
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/*
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* Miscellaneous configurable options
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*/
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#define CONFIG_SYS_LONGHELP /* undef to save memory */
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#define CONFIG_CMDLINE_EDITING
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#define CONFIG_AUTO_COMPLETE
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#define CONFIG_SYS_CBSIZE 512 /* Console I/O Buffer Size */
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/* Print Buffer Size */
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#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
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sizeof(CONFIG_SYS_PROMPT) + 16)
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#define CONFIG_SYS_MAXARGS 32 /* max number of command */
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/* args */
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/* Boot Argument Buffer Size */
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#define CONFIG_SYS_BARGSIZE (CONFIG_SYS_CBSIZE)
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/* memtest works on */
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#define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0)
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#define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0 + \
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0x01F00000) /* 31MB */
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#define CONFIG_SYS_LOAD_ADDR (OMAP34XX_SDRC_CS0) /* default load */
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/* address */
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/*
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* AM3517 has 12 GP timers, they can be driven by the system clock
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* (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
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* This rate is divided by a local divisor.
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*/
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#define CONFIG_SYS_TIMERBASE OMAP34XX_GPT2
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#define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */
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/*
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* Physical Memory Map
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*/
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#define CONFIG_NR_DRAM_BANKS 2 /* CS1 may or may not be populated */
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#define PHYS_SDRAM_1 OMAP34XX_SDRC_CS0
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#define PHYS_SDRAM_2 OMAP34XX_SDRC_CS1
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/*
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* FLASH and environment organization
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*/
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/* **** PISMO SUPPORT *** */
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#define CONFIG_NAND
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#define CONFIG_NAND_OMAP_GPMC
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#define CONFIG_ENV_IS_IN_NAND
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#define SMNAND_ENV_OFFSET 0x180000 /* environment starts here */
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/* Redundant Environment */
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#define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */
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#define CONFIG_ENV_OFFSET SMNAND_ENV_OFFSET
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#define CONFIG_ENV_ADDR SMNAND_ENV_OFFSET
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#define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + \
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2 * CONFIG_SYS_ENV_SECT_SIZE)
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#define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE
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#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
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#define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800
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#define CONFIG_SYS_INIT_RAM_SIZE 0x800
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#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \
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CONFIG_SYS_INIT_RAM_SIZE - \
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GENERATED_GBL_DATA_SIZE)
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/*
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* ethernet support, EMAC
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*
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*/
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#define CONFIG_DRIVER_TI_EMAC
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#define CONFIG_DRIVER_TI_EMAC_USE_RMII
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#define CONFIG_MII
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#define CONFIG_EMAC_MDIO_PHY_NUM 0
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#define CONFIG_BOOTP_DNS
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#define CONFIG_BOOTP_DNS2
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#define CONFIG_BOOTP_SEND_HOSTNAME
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#define CONFIG_NET_RETRY_COUNT 10
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/* Defines for SPL */
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#define CONFIG_SPL_FRAMEWORK
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#define CONFIG_SPL_BOARD_INIT
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#define CONFIG_SPL_CONSOLE
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#define CONFIG_SPL_NAND_SIMPLE
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#define CONFIG_SPL_NAND_SOFTECC
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#define CONFIG_SPL_NAND_WORKSPACE 0x8f07f000 /* below BSS */
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#define CONFIG_SPL_LIBCOMMON_SUPPORT
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#define CONFIG_SPL_LIBDISK_SUPPORT
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#define CONFIG_SPL_I2C_SUPPORT
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#define CONFIG_SPL_MMC_SUPPORT
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#define CONFIG_SPL_FAT_SUPPORT
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#define CONFIG_SPL_LIBGENERIC_SUPPORT
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#define CONFIG_SPL_SERIAL_SUPPORT
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#define CONFIG_SPL_GPIO_SUPPORT
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#define CONFIG_SPL_POWER_SUPPORT
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#define CONFIG_SPL_NAND_SUPPORT
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#define CONFIG_SPL_NAND_BASE
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#define CONFIG_SPL_NAND_DRIVERS
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#define CONFIG_SPL_NAND_ECC
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#define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/omap-common/u-boot-spl.lds"
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#define CONFIG_SPL_TEXT_BASE 0x40200000 /*CONFIG_SYS_SRAM_START*/
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#define CONFIG_SPL_MAX_SIZE (SRAM_SCRATCH_SPACE_ADDR - \
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CONFIG_SPL_TEXT_BASE)
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#define CONFIG_SPL_STACK LOW_LEVEL_SRAM_STACK
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#define CONFIG_SYS_SPL_MALLOC_START 0x8f000000
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#define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000
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#define CONFIG_SPL_BSS_START_ADDR 0x8f080000 /* end of RAM */
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#define CONFIG_SPL_BSS_MAX_SIZE 0x80000
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#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */
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#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1
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#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"
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/* FAT */
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#define CONFIG_SPL_FS_LOAD_KERNEL_NAME "uImage"
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#define CONFIG_SPL_FS_LOAD_ARGS_NAME "args"
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/* RAW SD card / eMMC */
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#define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR 0x900 /* address 0x120000 */
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#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR 0x80 /* address 0x10000 */
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#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS 0x80 /* 64KiB */
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/* NAND boot config */
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#define CONFIG_SYS_NAND_BUSWIDTH_16BIT
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#define CONFIG_SYS_NAND_PAGE_COUNT 64
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#define CONFIG_SYS_NAND_PAGE_SIZE 2048
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#define CONFIG_SYS_NAND_OOBSIZE 64
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#define CONFIG_SYS_NAND_BLOCK_SIZE (128 * 1024)
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#define CONFIG_SYS_NAND_5_ADDR_CYCLE
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#define CONFIG_SYS_NAND_BAD_BLOCK_POS 0
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#define CONFIG_SYS_NAND_ECCPOS {40, 41, 42, 43, 44, 45, 46, 47,\
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48, 49, 50, 51, 52, 53, 54, 55,\
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56, 57, 58, 59, 60, 61, 62, 63}
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#define CONFIG_SYS_NAND_ECCSIZE 256
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#define CONFIG_SYS_NAND_ECCBYTES 3
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#define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_HAM1_CODE_SW
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#define CONFIG_NAND_OMAP_GPMC_PREFETCH
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#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
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#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000
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#define CONFIG_SYS_NAND_U_BOOT_SIZE 0x80000
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#define CONFIG_CMD_UBI
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#define CONFIG_CMD_UBIFS
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#define CONFIG_RBTREE
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#define CONFIG_LZO
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#define CONFIG_MTD_PARTITIONS
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#define CONFIG_MTD_DEVICE
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#define CONFIG_CMD_MTDPARTS
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/* Setup MTD for NAND on the SOM */
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#define MTDIDS_DEFAULT "nand0=omap2-nand.0"
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#define MTDPARTS_DEFAULT "mtdparts=omap2-nand.0:512k(MLO)," \
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"1m(u-boot),256k(env1)," \
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"256k(env2),6m(kernel),-(rootfs)"
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#define CONFIG_TAM3517_SETTINGS \
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"netdev=eth0\0" \
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"nandargs=setenv bootargs root=${nandroot} " \
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"rootfstype=${nandrootfstype}\0" \
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"nfsargs=setenv bootargs root=/dev/nfs rw " \
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"nfsroot=${serverip}:${rootpath}\0" \
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"ramargs=setenv bootargs root=/dev/ram rw\0" \
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"addip_sta=setenv bootargs ${bootargs} " \
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"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
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":${hostname}:${netdev}:off panic=1\0" \
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"addip_dyn=setenv bootargs ${bootargs} ip=dhcp\0" \
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"addip=if test -n ${ipdyn};then run addip_dyn;" \
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"else run addip_sta;fi\0" \
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"addmtd=setenv bootargs ${bootargs} ${mtdparts}\0" \
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"addtty=setenv bootargs ${bootargs}" \
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" console=ttyO0,${baudrate}\0" \
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"addmisc=setenv bootargs ${bootargs} ${misc}\0" \
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"loadaddr=82000000\0" \
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"kernel_addr_r=82000000\0" \
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"hostname=" __stringify(CONFIG_HOSTNAME) "\0" \
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"bootfile=" __stringify(CONFIG_HOSTNAME) "/uImage\0" \
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"flash_self=run ramargs addip addtty addmtd addmisc;" \
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"bootm ${kernel_addr} ${ramdisk_addr}\0" \
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"flash_nfs=run nfsargs addip addtty addmtd addmisc;" \
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"bootm ${kernel_addr}\0" \
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"nandboot=run nandargs addip addtty addmtd addmisc;" \
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"nand read ${kernel_addr_r} kernel\0" \
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"bootm ${kernel_addr_r}\0" \
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"net_nfs=tftp ${kernel_addr_r} ${bootfile}; " \
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"run nfsargs addip addtty addmtd addmisc;" \
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"bootm ${kernel_addr_r}\0" \
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"net_self=if run net_self_load;then " \
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"run ramargs addip addtty addmtd addmisc;" \
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"bootm ${kernel_addr_r} ${ramdisk_addr_r};" \
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"else echo Images not loades;fi\0" \
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"u-boot=" __stringify(CONFIG_HOSTNAME) "/u-boot.img\0" \
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"load=tftp ${loadaddr} ${u-boot}\0" \
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"loadmlo=tftp ${loadaddr} ${mlo}\0" \
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"mlo=" __stringify(CONFIG_HOSTNAME) "/MLO\0" \
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"uboot_addr=0x80000\0" \
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"update=nandecc sw;nand erase ${uboot_addr} 100000;" \
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"nand write ${loadaddr} ${uboot_addr} 80000\0" \
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"updatemlo=nandecc hw;nand erase 0 20000;" \
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"nand write ${loadaddr} 0 20000\0" \
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"upd=if run load;then echo Updating u-boot;if run update;" \
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"then echo U-Boot updated;" \
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"else echo Error updating u-boot !;" \
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"echo Board without bootloader !!;" \
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"fi;" \
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"else echo U-Boot not downloaded..exiting;fi\0" \
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/*
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* this is common code for all TAM3517 boards.
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* MAC address is stored from manufacturer in
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* I2C EEPROM
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*/
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#if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__))
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/*
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* The I2C EEPROM on the TAM3517 contains
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* mac address and production data
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*/
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struct tam3517_module_info {
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char customer[48];
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char product[48];
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/*
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* bit 0~47 : sequence number
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* bit 48~55 : week of year, from 0.
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* bit 56~63 : year
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*/
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unsigned long long sequence_number;
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/*
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* bit 0~7 : revision fixed
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* bit 8~15 : revision major
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* bit 16~31 : TNxxx
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*/
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unsigned int revision;
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unsigned char eth_addr[4][8];
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unsigned char _rev[100];
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};
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#define TAM3517_READ_EEPROM(info, ret) \
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do { \
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i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE); \
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if (eeprom_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0, \
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(void *)info, sizeof(*info))) \
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ret = 1; \
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else \
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ret = 0; \
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} while (0)
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#define TAM3517_READ_MAC_FROM_EEPROM(info) \
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do { \
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char buf[80], ethname[20]; \
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int i; \
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memset(buf, 0, sizeof(buf)); \
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for (i = 0 ; i < ARRAY_SIZE((info)->eth_addr); i++) { \
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sprintf(buf, "%02X:%02X:%02X:%02X:%02X:%02X", \
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(info)->eth_addr[i][5], \
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(info)->eth_addr[i][4], \
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(info)->eth_addr[i][3], \
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(info)->eth_addr[i][2], \
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(info)->eth_addr[i][1], \
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(info)->eth_addr[i][0]); \
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\
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if (i) \
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sprintf(ethname, "eth%daddr", i); \
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else \
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strcpy(ethname, "ethaddr"); \
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printf("Setting %s from EEPROM with %s\n", ethname, buf);\
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setenv(ethname, buf); \
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} \
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} while (0)
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/* The following macros are taken from Technexion's documentation */
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#define TAM3517_sequence_number(info) \
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((info)->sequence_number % 0x1000000000000LL)
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#define TAM3517_week_of_year(info) (((info)->sequence_number >> 48) % 0x100)
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#define TAM3517_year(info) ((info)->sequence_number >> 56)
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#define TAM3517_revision_fixed(info) ((info)->revision % 0x100)
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#define TAM3517_revision_major(info) (((info)->revision >> 8) % 0x100)
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#define TAM3517_revision_tn(info) ((info)->revision >> 16)
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#define TAM3517_PRINT_SOM_INFO(info) \
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do { \
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printf("Vendor:%s\n", (info)->customer); \
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printf("SOM: %s\n", (info)->product); \
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printf("SeqNr: %02llu%02llu%012llu\n", \
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TAM3517_year(info), \
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TAM3517_week_of_year(info), \
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TAM3517_sequence_number(info)); \
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printf("Rev: TN%u %u.%u\n", \
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TAM3517_revision_tn(info), \
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TAM3517_revision_major(info), \
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TAM3517_revision_fixed(info)); \
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} while (0)
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#endif
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#endif /* __TAM3517_H */
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