288 lines
8.7 KiB
C
288 lines
8.7 KiB
C
/*
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* am3517_evm.h - Default configuration for AM3517 EVM board.
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*
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* Author: Vaibhav Hiremath <hvaibhav@ti.com>
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*
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* Based on omap3_evm_config.h
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*
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* Copyright (C) 2010 Texas Instruments Incorporated
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __CONFIG_H
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#define __CONFIG_H
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#define CONFIG_NR_DRAM_BANKS 2 /* CS1 may or may not be populated */
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#define CONFIG_EMIF4 /* The chip has EMIF4 controller */
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/*
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* 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
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* 64 bytes before this address should be set aside for u-boot.img's
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* header. That is 0x800FFFC0--0x80100000 should not be used for any
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* other needs.
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*/
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#define CONFIG_SYS_TEXT_BASE 0x80100000
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#define CONFIG_SYS_SPL_MALLOC_START 0x80208000
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#define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000
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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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#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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/* 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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/* Size of malloc() pool */
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#define CONFIG_SYS_MALLOC_LEN (16 << 20)
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/* Hardware drivers */
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/* NS16550 Configuration */
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#define V_NS16550_CLK 48000000 /* 48MHz (APLL96/2) */
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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 V_NS16550_CLK
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/* select serial console configuration */
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#define CONFIG_CONS_INDEX 3
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#define CONFIG_SYS_NS16550_COM3 OMAP34XX_UART3
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#define CONFIG_SERIAL3 3 /* UART3 on AM3517 EVM */
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/* allow to overwrite serial and ethaddr */
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#define CONFIG_ENV_OVERWRITE
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#define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600,\
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115200}
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/*
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* USB configuration
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* Enable CONFIG_USB_MUSB_HOST for Host functionalities MSC, keyboard
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* Enable CONFIG_USB_MUSB_GADGET for Device functionalities.
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*/
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#define CONFIG_USB_MUSB_AM35X
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#define CONFIG_USB_MUSB_PIO_ONLY
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#ifdef CONFIG_USB_MUSB_AM35X
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#ifdef CONFIG_USB_MUSB_HOST
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#ifdef CONFIG_USB_KEYBOARD
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#define CONFIG_PREBOOT "usb start"
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#endif /* CONFIG_USB_KEYBOARD */
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#endif /* CONFIG_USB_MUSB_HOST */
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#endif /* CONFIG_USB_MUSB_AM35X */
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/* I2C */
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#define CONFIG_SYS_I2C
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#define CONFIG_SYS_OMAP24_I2C_SPEED 100000
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#define CONFIG_SYS_OMAP24_I2C_SLAVE 1
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/* Ethernet */
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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_BOOTP_DEFAULT
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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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/* Board NAND Info. */
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#ifdef CONFIG_NAND
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#define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */
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/* to access nand */
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#define CONFIG_SYS_NAND_5_ADDR_CYCLE
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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_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS
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#define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, 10, \
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11, 12, 13, 14, 16, 17, 18, 19, 20, \
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21, 22, 23, 24, 25, 26, 27, 28, 30, \
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31, 32, 33, 34, 35, 36, 37, 38, 39, \
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40, 41, 42, 44, 45, 46, 47, 48, 49, \
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50, 51, 52, 53, 54, 55, 56 }
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#define CONFIG_SYS_NAND_ECCSIZE 512
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#define CONFIG_SYS_NAND_ECCBYTES 13
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#define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW_DETECTION_SW
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#define CONFIG_SYS_NAND_MAX_OOBFREE 2
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#define CONFIG_SYS_NAND_MAX_ECCPOS 56
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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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/* NAND block size is 128 KiB. Synchronize these values with
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* corresponding Device Tree entries in Linux:
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* MLO(SPL) 4 * NAND_BLOCK_SIZE = 512 KiB @ 0x000000
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* U-Boot 15 * NAND_BLOCK_SIZE = 1920 KiB @ 0x080000
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* U-Boot environment 2 * NAND_BLOCK_SIZE = 256 KiB @ 0x260000
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* Kernel 64 * NAND_BLOCK_SIZE = 8 MiB @ 0x2A0000
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* DTB 4 * NAND_BLOCK_SIZE = 512 KiB @ 0xAA0000
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* RootFS Remaining Flash Space @ 0xB20000
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*/
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#define MTDIDS_DEFAULT "nand0=omap2-nand.0"
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#define MTDPARTS_DEFAULT "mtdparts=omap2-nand.0:" \
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"512k(MLO)," \
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"1920k(u-boot)," \
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"256k(u-boot-env)," \
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"8m(kernel)," \
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"512k(dtb)," \
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"-(rootfs)"
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#else
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#define MTDIDS_DEFAULT
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#define MTDPARTS_DEFAULT
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#endif /* CONFIG_NAND */
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/* Environment information */
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#define CONFIG_BOOTFILE "uImage"
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#define CONFIG_EXTRA_ENV_SETTINGS \
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"loadaddr=0x82000000\0" \
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"console=ttyO2,115200n8\0" \
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"fdtfile=am3517-evm.dtb\0" \
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"fdtaddr=0x82C00000\0" \
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"vram=16M\0" \
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"bootenv=uEnv.txt\0" \
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"cmdline=\0" \
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"optargs=\0" \
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"mtdids=" MTDIDS_DEFAULT "\0" \
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"mtdparts=" MTDPARTS_DEFAULT "\0" \
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"mmcdev=0\0" \
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"mmcpart=1\0" \
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"mmcroot=/dev/mmcblk0p2 rw\0" \
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"mmcrootfstype=ext4 rootwait fixrtc\0" \
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"mmcargs=setenv bootargs console=${console} " \
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"${mtdparts} " \
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"${optargs} " \
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"root=${mmcroot} " \
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"rootfstype=${mmcrootfstype} " \
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"${cmdline}\0" \
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"nandargs=setenv bootargs console=${console} " \
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"${mtdparts} " \
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"${optargs} " \
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"root=ubi0:rootfs rw ubi.mtd=rootfs " \
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"rootfstype=ubifs rootwait " \
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"${cmdline}\0" \
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"loadbootenv=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${bootenv}\0"\
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"importbootenv=echo Importing environment from mmc ...; " \
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"env import -t ${loadaddr} ${filesize}\0" \
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"bootscript=echo Running bootscript from mmc ...; " \
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"source ${loadaddr}\0" \
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"loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${bootfile}\0" \
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"loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdtaddr} ${fdtfile}\0" \
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"mmcboot=echo Booting from mmc ...; " \
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"run mmcargs; " \
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"bootz ${loadaddr} - ${fdtaddr}\0" \
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"nandboot=echo Booting from nand ...; " \
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"run nandargs; " \
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"nand read ${loadaddr} 2a0000 800000; " \
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"nand read ${fdtaddr} aa0000 80000; " \
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"bootm ${loadaddr} - ${fdtaddr}\0" \
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#define CONFIG_BOOTCOMMAND \
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"mmc dev ${mmcdev}; if mmc rescan; then " \
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"echo SD/MMC found on device $mmcdev; " \
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"if run loadbootenv; then " \
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"run importbootenv; " \
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"fi; " \
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"echo Checking if uenvcmd is set ...; " \
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"if test -n $uenvcmd; then " \
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"echo Running uenvcmd ...; " \
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"run uenvcmd; " \
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"fi; " \
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"echo Running default loadimage ...; " \
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"setenv bootfile zImage; " \
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"if run loadimage; then " \
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"run loadfdt; " \
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"run mmcboot; " \
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"fi; " \
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"else run nandboot; fi"
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/* Miscellaneous configurable options */
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#define CONFIG_AUTO_COMPLETE
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#define CONFIG_CMDLINE_EDITING
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#define CONFIG_SYS_LONGHELP
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/* We set the max number of command args high to avoid HUSH bugs. */
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#define CONFIG_SYS_MAXARGS 64
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/* Console I/O Buffer Size */
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#define CONFIG_SYS_CBSIZE 512
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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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/* Physical Memory Map */
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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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#define CONFIG_SYS_CS0_SIZE (256 * 1024 * 1024)
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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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/* FLASH and environment organization */
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/* **** PISMO SUPPORT *** */
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#define CONFIG_SYS_MAX_FLASH_SECT 520 /* max number of sectors */
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/* on one chip */
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#define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of flash banks */
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#define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 2 sectors */
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#if defined(CONFIG_NAND)
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#define CONFIG_SYS_FLASH_BASE NAND_BASE
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#endif
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/* Monitor at start of flash */
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#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
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#define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */
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#define CONFIG_ENV_SIZE CONFIG_SYS_ENV_SECT_SIZE
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#define SMNAND_ENV_OFFSET 0x260000 /* environment starts here */
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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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/* Defines for SPL */
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#define CONFIG_SPL_FRAMEWORK
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#define CONFIG_SPL_NAND_SIMPLE
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#define CONFIG_SPL_TEXT_BASE 0x40200000
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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_BSS_START_ADDR 0x80000000
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#define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */
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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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#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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#endif /* __CONFIG_H */
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