/* * am3517_evm.h - Default configuration for AM3517 EVM board. * * Author: Vaibhav Hiremath * * Based on omap3_evm_config.h * * Copyright (C) 2010 Texas Instruments Incorporated * * SPDX-License-Identifier: GPL-2.0+ */ #ifndef __CONFIG_H #define __CONFIG_H #define CONFIG_NR_DRAM_BANKS 2 /* CS1 may or may not be populated */ #define CONFIG_EMIF4 /* The chip has EMIF4 controller */ /* * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM * 64 bytes before this address should be set aside for u-boot.img's * header. That is 0x800FFFC0--0x80100000 should not be used for any * other needs. */ #define CONFIG_SYS_TEXT_BASE 0x80100000 #define CONFIG_SYS_SPL_MALLOC_START 0x80208000 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 #include #undef CONFIG_SDRC /* Disable SDRC since we have EMIF4 */ #define CONFIG_MISC_INIT_R #define CONFIG_REVISION_TAG /* Hardware drivers */ /* NS16550 Configuration */ #define CONFIG_SYS_NS16550_SERIAL #define CONFIG_SYS_NS16550_REG_SIZE (-4) /* select serial console configuration */ #define CONFIG_CONS_INDEX 3 #define CONFIG_SYS_NS16550_COM3 OMAP34XX_UART3 #define CONFIG_SERIAL3 3 /* UART3 on AM3517 EVM */ /* allow to overwrite serial and ethaddr */ #define CONFIG_ENV_OVERWRITE /* * USB configuration * Enable CONFIG_USB_MUSB_HOST for Host functionalities MSC, keyboard * Enable CONFIG_USB_MUSB_GADGET for Device functionalities. */ #define CONFIG_USB_MUSB_AM35X #define CONFIG_USB_MUSB_PIO_ONLY #ifdef CONFIG_USB_MUSB_AM35X #ifdef CONFIG_USB_MUSB_HOST #ifdef CONFIG_USB_KEYBOARD #define CONFIG_PREBOOT "usb start" #endif /* CONFIG_USB_KEYBOARD */ #endif /* CONFIG_USB_MUSB_HOST */ #ifdef CONFIG_USB_MUSB_GADGET #define CONFIG_USB_ETHER #define CONFIG_USB_ETH_RNDIS #endif /* CONFIG_USB_MUSB_GADGET */ #endif /* CONFIG_USB_MUSB_AM35X */ /* I2C */ #define CONFIG_SYS_I2C #define CONFIG_SYS_OMAP24_I2C_SPEED 100000 #define CONFIG_SYS_OMAP24_I2C_SLAVE 1 /* Ethernet */ #define CONFIG_DRIVER_TI_EMAC #define CONFIG_DRIVER_TI_EMAC_USE_RMII #define CONFIG_MII #define CONFIG_BOOTP_DEFAULT #define CONFIG_BOOTP_DNS #define CONFIG_BOOTP_DNS2 #define CONFIG_BOOTP_SEND_HOSTNAME #define CONFIG_NET_RETRY_COUNT 10 /* Board NAND Info. */ #ifdef CONFIG_NAND #define CONFIG_NAND_OMAP_GPMC_PREFETCH #define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */ /* to access nand */ #define CONFIG_SYS_NAND_BUSWIDTH_16BIT #define CONFIG_SYS_NAND_5_ADDR_CYCLE #define CONFIG_SYS_NAND_PAGE_COUNT 64 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 #define CONFIG_SYS_NAND_OOBSIZE 64 #define CONFIG_SYS_NAND_BLOCK_SIZE (128 * 1024) #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, 16, 17, 18, 19, 20, \ 21, 22, 23, 24, 25, 26, 27, 28, 30, \ 31, 32, 33, 34, 35, 36, 37, 38, 39, \ 40, 41, 42, 44, 45, 46, 47, 48, 49, \ 50, 51, 52, 53, 54, 55, 56 } #define CONFIG_SYS_NAND_ECCSIZE 512 #define CONFIG_SYS_NAND_ECCBYTES 13 #define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW_DETECTION_SW #define CONFIG_SYS_NAND_MAX_OOBFREE 2 #define CONFIG_SYS_NAND_MAX_ECCPOS 56 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000 #define CONFIG_MTD_PARTITIONS /* required for UBI partition support */ #define CONFIG_MTD_DEVICE /* needed for mtdparts commands */ /* NAND block size is 128 KiB. Synchronize these values with * corresponding Device Tree entries in Linux: * MLO(SPL) 4 * NAND_BLOCK_SIZE = 512 KiB @ 0x000000 * U-Boot 15 * NAND_BLOCK_SIZE = 1920 KiB @ 0x080000 * U-Boot environment 2 * NAND_BLOCK_SIZE = 256 KiB @ 0x260000 * Kernel 64 * NAND_BLOCK_SIZE = 8 MiB @ 0x2A0000 * DTB 4 * NAND_BLOCK_SIZE = 512 KiB @ 0xAA0000 * RootFS Remaining Flash Space @ 0xB20000 */ #define MTDIDS_DEFAULT "nand0=omap2-nand.0" #define MTDPARTS_DEFAULT "mtdparts=omap2-nand.0:" \ "512k(MLO)," \ "1920k(u-boot)," \ "256k(u-boot-env)," \ "8m(kernel)," \ "512k(dtb)," \ "-(rootfs)" #else #define MTDIDS_DEFAULT #define MTDPARTS_DEFAULT #endif /* CONFIG_NAND */ /* Environment information */ #define CONFIG_BOOTFILE "uImage" #define CONFIG_EXTRA_ENV_SETTINGS \ "loadaddr=0x82000000\0" \ "console=ttyO2,115200n8\0" \ "fdtfile=am3517-evm.dtb\0" \ "fdtaddr=0x82C00000\0" \ "vram=16M\0" \ "bootenv=uEnv.txt\0" \ "cmdline=\0" \ "optargs=\0" \ "mtdids=" MTDIDS_DEFAULT "\0" \ "mtdparts=" MTDPARTS_DEFAULT "\0" \ "mmcdev=0\0" \ "mmcpart=1\0" \ "mmcroot=/dev/mmcblk0p2 rw\0" \ "mmcrootfstype=ext4 rootwait fixrtc\0" \ "mmcargs=setenv bootargs console=${console} " \ "${mtdparts} " \ "${optargs} " \ "root=${mmcroot} " \ "rootfstype=${mmcrootfstype} " \ "${cmdline}\0" \ "nandargs=setenv bootargs console=${console} " \ "${mtdparts} " \ "${optargs} " \ "root=ubi0:rootfs rw ubi.mtd=rootfs " \ "rootfstype=ubifs rootwait " \ "${cmdline}\0" \ "loadbootenv=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${bootenv}\0"\ "importbootenv=echo Importing environment from mmc ...; " \ "env import -t ${loadaddr} ${filesize}\0" \ "bootscript=echo Running bootscript from mmc ...; " \ "source ${loadaddr}\0" \ "loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${bootfile}\0" \ "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdtaddr} ${fdtfile}\0" \ "mmcboot=echo Booting from mmc ...; " \ "run mmcargs; " \ "bootz ${loadaddr} - ${fdtaddr}\0" \ "nandboot=echo Booting from nand ...; " \ "run nandargs; " \ "nand read ${loadaddr} 2a0000 800000; " \ "nand read ${fdtaddr} aa0000 80000; " \ "bootm ${loadaddr} - ${fdtaddr}\0" \ #define CONFIG_BOOTCOMMAND \ "mmc dev ${mmcdev}; if mmc rescan; then " \ "echo SD/MMC found on device $mmcdev; " \ "if run loadbootenv; then " \ "run importbootenv; " \ "fi; " \ "echo Checking if uenvcmd is set ...; " \ "if test -n $uenvcmd; then " \ "echo Running uenvcmd ...; " \ "run uenvcmd; " \ "fi; " \ "echo Running default loadimage ...; " \ "setenv bootfile zImage; " \ "if run loadimage; then " \ "run loadfdt; " \ "run mmcboot; " \ "fi; " \ "else run nandboot; fi" /* Miscellaneous configurable options */ #define CONFIG_AUTO_COMPLETE #define CONFIG_CMDLINE_EDITING #define CONFIG_SYS_LONGHELP /* We set the max number of command args high to avoid HUSH bugs. */ #define CONFIG_SYS_MAXARGS 64 /* 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 /* memtest works on */ #define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0) #define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0 + \ 0x01F00000) /* 31MB */ /* Physical Memory Map */ #define CONFIG_SYS_CS0_SIZE (256 * 1024 * 1024) #define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800 #define CONFIG_SYS_INIT_RAM_SIZE 0x800 /* FLASH and environment organization */ /* **** PISMO SUPPORT *** */ #define CONFIG_SYS_MAX_FLASH_SECT 520 /* max number of sectors */ /* on one chip */ #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of flash banks */ #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 2 sectors */ #if defined(CONFIG_NAND) #define CONFIG_SYS_FLASH_BASE NAND_BASE #endif /* Monitor at start of flash */ #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE #define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */ #define CONFIG_ENV_SIZE CONFIG_SYS_ENV_SECT_SIZE #define CONFIG_ENV_OFFSET 0x260000 #define CONFIG_ENV_ADDR 0x260000 /* Defines for SPL */ #define CONFIG_SPL_FRAMEWORK #undef CONFIG_SPL_TEXT_BASE #define CONFIG_SPL_TEXT_BASE 0x40200000 #define CONFIG_SPL_MAX_SIZE (SRAM_SCRATCH_SPACE_ADDR - \ CONFIG_SPL_TEXT_BASE) #undef CONFIG_SPL_BSS_START_ADDR #define CONFIG_SPL_BSS_START_ADDR 0x80000000 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */ #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" #define CONFIG_SPL_NAND_BASE #define CONFIG_SPL_NAND_DRIVERS #define CONFIG_SPL_NAND_ECC #endif /* __CONFIG_H */