| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * (C) Copyright 2016 |
| * Heiko Schocher, DENX Software Engineering, hs@denx.de. |
| * |
| * Based on: |
| * am335x_evm.h |
| * |
| * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/ |
| */ |
| |
| #ifndef __CONFIG_AM335X_SHC_H |
| #define __CONFIG_AM335X_SHC_H |
| |
| #include <configs/ti_am335x_common.h> |
| |
| /* settings we don;t want on this board */ |
| |
| #ifndef CONFIG_SPL_BUILD |
| # define CONFIG_TIMESTAMP |
| #endif |
| |
| #define CONFIG_SYS_BOOTM_LEN (16 << 20) |
| |
| /* Clock Defines */ |
| #define V_OSCK 24000000 /* Clock output from T2 */ |
| #define V_SCLK (V_OSCK) |
| |
| /* |
| * in case of SD Card or Network boot we want to have a possibility to |
| * debrick the shc, therefore do not read environment from eMMC |
| */ |
| #if defined(CONFIG_SHC_SDBOOT) || defined(CONFIG_SHC_NETBOOT) |
| #define CONFIG_SYS_MMC_ENV_DEV 0 |
| #else |
| #define CONFIG_SYS_MMC_ENV_DEV 1 |
| #endif |
| |
| /* |
| * Info when using boot partitions: As environment resides within first |
| * 128 kB, MLO must start at 128 kB == 0x20000 |
| * ENV at MMC Boot0 Partition - 0/Undefined=user, 1=boot0, 2=boot1, |
| * 4..7=general0..3 |
| */ |
| |
| #define CONFIG_HSMMC2_8BIT |
| |
| #ifndef CONFIG_SHC_ICT |
| /* |
| * In builds other than ICT, reset to retry after timeout |
| * Define a timeout after which a stopped bootloader continues autoboot |
| * (only works with CONFIG_RESET_TO_RETRY) |
| */ |
| # define CONFIG_BOOT_RETRY_TIME 30 |
| # define CONFIG_RESET_TO_RETRY |
| #endif |
| |
| #ifndef CONFIG_SPL_BUILD |
| #define CONFIG_EXTRA_ENV_SETTINGS \ |
| "loadaddr=0x80200000\0" \ |
| "kloadaddr=0x84000000\0" \ |
| "fdtaddr=0x85000000\0" \ |
| "fdt_high=0xffffffff\0" \ |
| "rdaddr=0x81000000\0" \ |
| "bootfile=uImage\0" \ |
| "fdtfile=am335x-shc.dtb\0" \ |
| "verify=no\0" \ |
| "serverip=10.55.152.184\0" \ |
| "rootpath=/srv/nfs/shc-rootfs\0" \ |
| "console=ttyO0,115200n8\0" \ |
| "optargs=quiet\0" \ |
| "mmcdev=1\0" \ |
| "harakiri=0\0" \ |
| "mmcpart=2\0" \ |
| "active_root=root1\0" \ |
| "inactive_root=root2\0" \ |
| "mmcrootfstype=ext4 rootwait\0" \ |
| "nfsopts=nolock\0" \ |
| "static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}" \ |
| "::off\0" \ |
| "ip_method=none\0" \ |
| "bootargs_defaults=setenv bootargs " \ |
| "console=${console} " \ |
| "${optargs}\0" \ |
| "mmcargs=run bootargs_defaults;" \ |
| "setenv bootargs ${bootargs} " \ |
| "root=${mmcroot} " \ |
| "rootfstype=${mmcrootfstype} ip=${ip_method}\0" \ |
| "netargs=setenv bootargs console=${console} " \ |
| "${optargs} " \ |
| "root=/dev/nfs " \ |
| "nfsroot=${serverip}:${rootpath},${nfsopts} rw " \ |
| "ip=dhcp\0" \ |
| "bootenv=uEnv.txt\0" \ |
| "loadbootenv=if fatload mmc ${mmcdev} ${loadaddr} ${bootenv}; then " \ |
| "echo Loaded environment from ${bootenv}; " \ |
| "run importbootenv; " \ |
| "fi;\0" \ |
| "importbootenv=echo Importing environment variables from uEnv.txt ...; " \ |
| "env import -t $loadaddr $filesize\0" \ |
| "loaduimagefat=fatload mmc ${mmcdev} ${kloadaddr} ${bootfile}\0" \ |
| "loaduimage=ext2load mmc ${mmcdev}:${mmcpart} ${kloadaddr} /boot/${bootfile}\0" \ |
| "loadfdt=ext2load mmc ${mmcdev}:${mmcpart} ${fdtaddr} /boot/${fdtfile}\0" \ |
| "netloaduimage=tftp ${loadaddr} ${bootfile}\0" \ |
| "netloadfdt=tftp ${fdtaddr} ${fdtfile}\0" \ |
| "mmcboot=echo Booting Linux from ${mmcdevice} ...; " \ |
| "run mmcargs; " \ |
| "if run loadfdt; then " \ |
| "echo device tree detected; " \ |
| "bootm ${kloadaddr} - ${fdtaddr}; " \ |
| "else " \ |
| "bootm ${kloadaddr}; " \ |
| "fi; \0" \ |
| "netboot=echo Booting from network ...; " \ |
| "setenv autoload no; " \ |
| "dhcp; " \ |
| "run netloaduimage; " \ |
| "run netargs; " \ |
| "echo NFS path: ${serverip}:${rootpath};" \ |
| "if run netloadfdt; then " \ |
| "echo device tree detected; " \ |
| "bootm ${loadaddr} - ${fdtaddr}; " \ |
| "else " \ |
| "bootm ${loadaddr}; " \ |
| "fi; \0" \ |
| "emmc_erase=if test ${harakiri} = 1 ; then echo erase emmc ...; setenv mmcdev 1; mmc erase 0 200; reset; fi; \0" \ |
| "mmcpart_gp=mmcpart gp 1 40; \0" \ |
| "mmcpart_enhance=mmcpart enhance 0 64; \0" \ |
| "mmcpart_rel_write=mmcpart rel_write 1f; \0" \ |
| "mmcpart_commit=mmcpart commit 1; \0" \ |
| "mmc_hw_part=run mmcpart_gp; run mmcpart_enhance; run mmcpart_rel_write; run mmcpart_commit; \0" \ |
| "led_success=gpio set 22; \0" \ |
| "fusecmd=mmc dev 1; if mmcpart iscommitted; then echo HW Partitioning already committed; mmcpart list; else run mmc_hw_part; fi; run led_success; \0" \ |
| "uenv_exec=if test -n $uenvcmd; then " \ |
| "echo Running uenvcmd ...; " \ |
| "run uenvcmd; " \ |
| "fi;\0" \ |
| "sd_setup=echo SD/MMC-Card detected on device 0; " \ |
| "setenv mmcdevice SD; " \ |
| "setenv mmcdev 0; " \ |
| "setenv mmcpart 2; " \ |
| "setenv mmcroot /dev/mmcblk${mmcdev}p${mmcpart};\0" \ |
| "emmc_setup=echo eMMC detected on device 1; " \ |
| "setenv mmcdevice eMMC; " \ |
| "setenv mmcdev 1; " \ |
| "run emmc_erase; " \ |
| "if test ${active_root} = root2; then " \ |
| "echo Active root is partition 6 (root2); " \ |
| "setenv mmcpart 6; " \ |
| "else " \ |
| "echo Active root is partition 5 (root1); " \ |
| "setenv mmcpart 5; " \ |
| "fi; " \ |
| "setenv mmcroot /dev/mmcblk${mmcdev}p${mmcpart};\0" |
| #endif /* #ifndef CONFIG_SPL_BUILD */ |
| |
| #if defined CONFIG_SHC_NETBOOT |
| /* Network Boot */ |
| # define CONFIG_BOOTCOMMAND \ |
| "run fusecmd; " \ |
| "if run netboot; then " \ |
| "echo Booting from network; " \ |
| "else " \ |
| "echo ERROR: Cannot boot from network!; " \ |
| "panic; " \ |
| "fi; " |
| |
| #elif defined CONFIG_SHC_SDBOOT /* !defined CONFIG_SHC_NETBOOT */ |
| /* SD-Card Boot */ |
| # define CONFIG_BOOTCOMMAND \ |
| "if mmc dev 0; mmc rescan; then " \ |
| "run sd_setup; " \ |
| "else " \ |
| "echo ERROR: SD/MMC-Card not detected!; " \ |
| "panic; " \ |
| "fi; " \ |
| "if run loaduimage; then " \ |
| "echo Bootable SD/MMC-Card inserted, booting from it!; " \ |
| "run mmcboot; " \ |
| "else " \ |
| "echo ERROR: Unable to load uImage from SD/MMC-Card!; " \ |
| "panic; " \ |
| "fi; " |
| |
| #elif defined CONFIG_SHC_ICT |
| /* ICT adapter boots only u-boot and does HW partitioning */ |
| # define CONFIG_BOOTCOMMAND \ |
| "if mmc dev 0; mmc rescan; then " \ |
| "run sd_setup; " \ |
| "else " \ |
| "echo ERROR: SD/MMC-Card not detected!; " \ |
| "panic; " \ |
| "fi; " \ |
| "run fusecmd; " |
| |
| #else /* !defined CONFIG_SHC_NETBOOT, !defined CONFIG_SHC_SDBOOT */ |
| /* Regular Boot from internal eMMC */ |
| # define CONFIG_BOOTCOMMAND \ |
| "if mmc dev 1; mmc rescan; then " \ |
| "run emmc_setup; " \ |
| "else " \ |
| "echo ERROR: eMMC device not detected!; " \ |
| "panic; " \ |
| "fi; " \ |
| "if run loaduimage; then " \ |
| "run mmcboot; " \ |
| "else " \ |
| "echo ERROR Unable to load uImage from eMMC!; " \ |
| "echo Performing Rollback!; " \ |
| "setenv _active_ ${active_root}; " \ |
| "setenv _inactive_ ${inactive_root}; " \ |
| "setenv active_root ${_inactive_}; " \ |
| "setenv inactive_root ${_active_}; " \ |
| "saveenv; " \ |
| "reset; " \ |
| "fi; " |
| |
| #endif /* Regular Boot */ |
| |
| /* NS16550 Configuration */ |
| #define CONFIG_SYS_NS16550_COM1 0x44e09000 /* UART0 */ |
| #define CONFIG_SYS_NS16550_COM2 0x48022000 /* UART1 */ |
| #define CONFIG_SYS_NS16550_COM3 0x48024000 /* UART2 */ |
| #define CONFIG_SYS_NS16550_COM4 0x481a6000 /* UART3 */ |
| #define CONFIG_SYS_NS16550_COM5 0x481a8000 /* UART4 */ |
| #define CONFIG_SYS_NS16550_COM6 0x481aa000 /* UART5 */ |
| |
| /* PMIC support */ |
| #define CONFIG_POWER_TPS65217 |
| |
| /* SPL */ |
| |
| /* |
| * Disable MMC DM for SPL build and can be re-enabled after adding |
| * DM support in SPL |
| */ |
| #ifdef CONFIG_SPL_BUILD |
| #undef CONFIG_DM_MMC |
| #undef CONFIG_TIMER |
| #endif |
| |
| #define CONFIG_NET_RETRY_COUNT 10 |
| |
| /* I2C configuration */ |
| #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* Main EEPROM */ |
| #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 |
| #define CONFIG_SYS_I2C_SPEED 400000 |
| #define CONFIG_SYS_I2C_SLAVE 1 |
| #endif /* ! __CONFIG_AM335X_SHC_H */ |