| /* |
| * am3517_evm.h - Default configuration for AM3517 EVM board. |
| * |
| * Author: Vaibhav Hiremath <hvaibhav@ti.com> |
| * |
| * 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 <asm/arch/cpu.h> /* get chip and board defs */ |
| #include <asm/arch/omap.h> |
| |
| #define CONFIG_MISC_INIT_R |
| #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ |
| #define CONFIG_SETUP_MEMORY_TAGS |
| #define CONFIG_INITRD_TAG |
| #define CONFIG_REVISION_TAG |
| |
| /* Clock Defines */ |
| #define V_OSCK 26000000 /* Clock output from T2 */ |
| #define V_SCLK (V_OSCK >> 1) |
| |
| /* Size of malloc() pool */ |
| #define CONFIG_SYS_MALLOC_LEN (16 << 20) |
| |
| /* Hardware drivers */ |
| |
| /* NS16550 Configuration */ |
| #define V_NS16550_CLK 48000000 /* 48MHz (APLL96/2) */ |
| #define CONFIG_SYS_NS16550_SERIAL |
| #define CONFIG_SYS_NS16550_REG_SIZE (-4) |
| #define CONFIG_SYS_NS16550_CLK V_NS16550_CLK |
| |
| /* 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 |
| #define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600,\ |
| 115200} |
| |
| /* |
| * 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_SYS_USB_EVENT_POLL |
| #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 |
| #define CONFIG_SYS_I2C_OMAP34XX |
| |
| /* 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 |
| #define CONFIG_NAND_OMAP_GPMC_PREFETCH |
| #define CONFIG_BCH |
| #define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */ |
| /* to access nand */ |
| #define CONFIG_SYS_NAND_BASE NAND_BASE /* physical address */ |
| /* to access */ |
| /* nand at CS0 */ |
| #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of */ |
| /* NAND devices */ |
| #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 |
| |
| /* 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 |
| |
| /* memtest works on */ |
| #define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0) |
| #define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0 + \ |
| 0x01F00000) /* 31MB */ |
| |
| #define CONFIG_SYS_LOAD_ADDR (OMAP34XX_SDRC_CS0) /* default load */ |
| /* address */ |
| |
| /* |
| * AM3517 has 12 GP timers, they can be driven by the system clock |
| * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK). |
| * This rate is divided by a local divisor. |
| */ |
| #define CONFIG_SYS_TIMERBASE OMAP34XX_GPT2 |
| #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ |
| |
| /* Physical Memory Map */ |
| #define PHYS_SDRAM_1 OMAP34XX_SDRC_CS0 |
| #define PHYS_SDRAM_2 OMAP34XX_SDRC_CS1 |
| #define CONFIG_SYS_CS0_SIZE (256 * 1024 * 1024) |
| #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 |
| #define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800 |
| #define CONFIG_SYS_INIT_RAM_SIZE 0x800 |
| #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \ |
| CONFIG_SYS_INIT_RAM_SIZE - \ |
| GENERATED_GBL_DATA_SIZE) |
| |
| /* 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 SMNAND_ENV_OFFSET 0x260000 /* environment starts here */ |
| #define CONFIG_ENV_OFFSET SMNAND_ENV_OFFSET |
| #define CONFIG_ENV_ADDR SMNAND_ENV_OFFSET |
| |
| /* Defines for SPL */ |
| #define CONFIG_SPL_FRAMEWORK |
| #define CONFIG_SPL_NAND_SIMPLE |
| #define CONFIG_SPL_TEXT_BASE 0x40200000 |
| #define CONFIG_SPL_MAX_SIZE (SRAM_SCRATCH_SPACE_ADDR - \ |
| CONFIG_SPL_TEXT_BASE) |
| |
| #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 |
| #define CONFIG_SPL_LDSCRIPT "arch/arm/mach-omap2/u-boot-spl.lds" |
| |
| #endif /* __CONFIG_H */ |