| /* |
| * Copyright (c) 2011 The Chromium OS Authors. |
| * (C) Copyright 2010,2011 |
| * NVIDIA Corporation <www.nvidia.com> |
| * |
| * See file CREDITS for list of people who contributed to this |
| * project. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| */ |
| |
| #ifndef __TEGRA_COMMON_H |
| #define __TEGRA_COMMON_H |
| |
| /* |
| * QUOTE(m) will evaluate to a string version of the value of the macro m |
| * passed in. The extra level of indirection here is to first evaluate the |
| * macro m before applying the quoting operator. |
| */ |
| #define QUOTE_(m) #m |
| #define QUOTE(m) QUOTE_(m) |
| |
| /* FDT support */ |
| #define CONFIG_OF_LIBFDT /* Device tree support */ |
| #define CONFIG_OF_CONTROL /* Use the device tree to set up U-Boot */ |
| |
| /* Embed the device tree in U-Boot, if not otherwise handled */ |
| #ifndef CONFIG_OF_SEPARATE |
| #define CONFIG_OF_EMBED |
| #endif |
| |
| /* |
| * High Level Configuration Options |
| */ |
| #define CONFIG_ARMCORTEXA9 /* This is an ARM V7 CPU core */ |
| #define CONFIG_TEGRA /* in the NVidia Tegra family */ |
| #define CONFIG_MACH_TEGRA_GENERIC /* which is a Tegra generic machine */ |
| #define CONFIG_SYS_NO_L2CACHE /* No L2 cache */ |
| #define CONFIG_BOOTSTAGE /* Record boot time */ |
| #define CONFIG_BOOTSTAGE_REPORT /* Print a boot time report */ |
| #define CONFIG_ARCH_CPU_INIT /* Fire up the A9 core */ |
| #define CONFIG_ALIGN_LCD_TO_SECTION /* Align LCD to 1MB boundary */ |
| #define CONFIG_BOARD_EARLY_INIT_F |
| #define BOARD_LATE_INIT /* Make sure LCD init is complete */ |
| |
| #include <asm/arch/tegra.h> /* get chip and board defs */ |
| |
| #define CACHE_LINE_SIZE 32 |
| |
| /* |
| * Display CPU and Board information |
| */ |
| #define CONFIG_DISPLAY_CPUINFO |
| #define CONFIG_DISPLAY_BOARDINFO_LATE |
| #define CONFIG_SYS_CONSOLE_INFO_QUIET |
| |
| #define CONFIG_SKIP_LOWLEVEL_INIT |
| |
| #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ |
| #define CONFIG_OF_LIBFDT /* enable passing of devicetree */ |
| |
| /* |
| * Size of malloc() pool |
| */ |
| #define CONFIG_SYS_MALLOC_LEN (4 << 20) /* 4MB */ |
| |
| /* |
| * PllX Configuration |
| */ |
| #define CONFIG_SYS_CPU_OSC_FREQUENCY 1000000 /* Set CPU clock to 1GHz */ |
| |
| /* |
| * NS16550 Configuration |
| */ |
| #define CONFIG_SERIAL_MULTI |
| #define CONFIG_NS16550_BUFFER_READS |
| #define CONFIG_SYS_NS16550 |
| #define CONFIG_SYS_NS16550_REG_SIZE (-4) |
| |
| /* Default serial multiplier */ |
| #define CONFIG_DEFAULT_NS16550_MULT 16 |
| |
| #ifdef CONFIG_OF_CONTROL |
| #define CONFIG_COMPAT_STRING "nvidia,tegra250" |
| #else |
| |
| #define CONFIG_SYS_NS16550_SERIAL |
| #define CONFIG_SYS_NS16550_CLK 216000000 |
| |
| /* |
| * select serial console configuration |
| */ |
| #define CONFIG_CONS_INDEX 1 |
| #endif /* CONFIG_OF_CONTROL ^^^^^ not defined */ |
| |
| /* Environment information */ |
| #define CONFIG_ENV_SIZE SZ_4K |
| |
| /* allow to overwrite serial and ethaddr */ |
| #define CONFIG_ENV_OVERWRITE |
| #define CONFIG_BAUDRATE 115200 |
| #define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600,\ |
| 115200} |
| |
| #define CONFIG_SYS_HZ 1000 |
| |
| /* |
| * Miscellaneous configurable options |
| */ |
| #define CONFIG_SYS_LONGHELP /* undef to save memory */ |
| #define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */ |
| #define CONFIG_SYS_PROMPT_HUSH_PS2 "> " |
| #define CONFIG_SYS_PROMPT V_PROMPT |
| #define CONFIG_SILENT_CONSOLE |
| /* |
| * Increasing the size of the IO buffer as default nfsargs size is more |
| * than 256 and so it is not possible to edit it |
| */ |
| #define CONFIG_SYS_CBSIZE (256 * 2) /* Console I/O Buffer Size */ |
| /* Print Buffer Size */ |
| #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \ |
| sizeof(CONFIG_SYS_PROMPT) + 16) |
| #define CONFIG_SYS_MAXARGS 32 /* max number of command args */ |
| /* Boot Argument Buffer Size */ |
| #define CONFIG_SYS_BARGSIZE (CONFIG_SYS_CBSIZE) |
| |
| #define CONFIG_SYS_MEMTEST_START (TEGRA_SDRC_CS0 + 0x600000) |
| #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + 0x100000) |
| |
| #define CONFIG_PRE_CONSOLE_BUFFER |
| |
| #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_STACKBASE |
| #define CONFIG_SYS_INIT_RAM_SIZE CONFIG_SYS_MALLOC_LEN |
| #define RAM_TOP (CONFIG_SYS_INIT_RAM_ADDR + \ |
| CONFIG_SYS_INIT_RAM_SIZE) |
| #define CONFIG_PRE_CON_BUF_SZ 1024 |
| #define CONFIG_PRE_CON_BUF_ADDR (RAM_TOP - CONFIG_PRE_CON_BUF_SZ) |
| #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_PRE_CON_BUF_ADDR - \ |
| GENERATED_GBL_DATA_SIZE) |
| |
| /* kernel device tree booting support */ |
| #define CONFIG_FIT 1 |
| |
| /* |
| * 32M is what it takes the u-boot to allocate enough room for the kernel |
| * loader to inflate the kernel and keep a copy of the device tree handy. |
| */ |
| #define CONFIG_SYS_BOOTMAPSZ (1 << 25) |
| |
| /* BCT starts at 0x100 in RAM */ |
| #define BCT_OFFSET 0x100 |
| |
| /* |
| * Defines the regen_all variable, which is used by other commands |
| * defined in this file. Usage is to override one or more of the environment |
| * variables and then run regen_all to regenerate the environment. |
| * |
| * Args from other scipts in this file: |
| * bootdev_bootargs: Filled in by other commands below based on the boot |
| * device. |
| * |
| * Args: |
| * common_bootargs: A copy of the default bootargs so we can run regen_all |
| * more than once. |
| * dev_extras: Placeholder space for developers to put their own boot args. |
| * extra_bootargs: Filled in by update_firmware_vars.py script in some cases. |
| */ |
| #define CONFIG_REGEN_ALL_SETTINGS \ |
| "common_bootargs=cros_legacy " CONFIG_DIRECT_BOOTARGS "\0" \ |
| \ |
| "dev_extras=\0" \ |
| "extra_bootargs=\0" \ |
| "bootdev_bootargs=\0" \ |
| \ |
| "regen_all=" \ |
| "setenv bootargs " \ |
| "${common_bootargs} " \ |
| "${dev_extras} " \ |
| "${extra_bootargs} " \ |
| "${bootdev_bootargs}\0" |
| |
| /* |
| * Defines ext2_boot and run_disk_boot_script. |
| * |
| * The run_disk_boot_script runs a u-boot script on the boot disk. At the |
| * moment this is used to allow the boot disk to choose a partion to boot from, |
| * but could theoretically be used for more complicated things. |
| * |
| * The ext2_boot script boots from an ext2 device. |
| * |
| * Args from other scipts in this file: |
| * devtype: The device type we're booting from, like "usb" or "mmc" |
| * devnum: The device number (depends on devtype). If we're booting from |
| * extranal MMC (for instance), this would be 1 |
| * devname: The linux device name that will be assigned, like "sda" or |
| * mmcblk0p |
| * |
| * Args expected to be set by the u-boot script in /u-boot/boot.scr.uimg: |
| * rootpart: The root filesystem partion; we default to 3 in case there are |
| * problems reading the boot script. |
| * cros_bootfile: The name of the kernel in the root partition; we default to |
| * "/boot/vmlinux.uimg" |
| * |
| * Other args: |
| * script_part: The FAT partion we'll look for a boot script in. |
| * script_img: The name of the u-boot script. |
| * |
| * When we boot from an ext2 device, we will look at partion 12 (0x0c) to find |
| * a u-boot script (as /u-boot/boot.scr.uimg). That script is expected to |
| * override "rootpart" and "cros_bootfile" as needed to select which partition |
| * to boot from. |
| */ |
| #define CONFIG_EXT2_BOOT_HELPER_SETTINGS \ |
| "rootpart=3\0" \ |
| "cros_bootfile=/boot/vmlinux.uimg\0" \ |
| \ |
| "script_part=c\0" \ |
| "script_img=/u-boot/boot.scr.uimg\0" \ |
| \ |
| "run_disk_boot_script=" \ |
| "if fatload ${devtype} ${devnum}:${script_part} " \ |
| "${loadaddr} ${script_img}; then " \ |
| "source ${loadaddr}; " \ |
| "fi\0" \ |
| \ |
| "regen_ext2_bootargs=" \ |
| "setenv bootdev_bootargs " \ |
| "root=/dev/${devname}${rootpart} rootwait ro; " \ |
| "run regen_all\0" \ |
| \ |
| "ext2_boot=" \ |
| "run regen_ext2_bootargs; " \ |
| "if ext2load ${devtype} ${devnum}:${rootpart} " \ |
| "${loadaddr} ${cros_bootfile}; then " \ |
| "bootm ${loadaddr};" \ |
| "fi\0" |
| |
| /* |
| * Network-boot related settings. |
| * |
| * At the moment, we support full network root booting (tftp kernel and initial |
| * ramdisk) as well as nfs booting (tftp kernel and point root to NFS). |
| * |
| * Network booting is enabled if you have an ethernet adapter plugged in at boot |
| * and also have set tftpserverip/nfsserverip to something other than 0.0.0.0. |
| * For full network booting you just need tftpserverip. For full NFS root |
| * you neet to set both. |
| */ |
| #define CONFIG_NETBOOT_SETTINGS \ |
| "tftpserverip=0.0.0.0\0" \ |
| "nfsserverip=0.0.0.0\0" \ |
| \ |
| "rootaddr=0x12008000\0" \ |
| "initrd_high=0xffffffff\0" \ |
| \ |
| "regen_nfsroot_bootargs=" \ |
| "setenv bootdev_bootargs " \ |
| "dev=/dev/nfs4 rw nfsroot=${nfsserverip}:${rootpath} " \ |
| "ip=dhcp noinitrd; " \ |
| "run regen_all\0" \ |
| "regen_initrdroot_bootargs=" \ |
| "setenv bootdev_bootargs " \ |
| "rw root=/dev/ram0 ramdisk_size=294912; " \ |
| "run regen_all\0" \ |
| \ |
| "tftp_setup=" \ |
| "setenv tftpkernelpath " \ |
| "/tftpboot/vmlinux.uimg; " \ |
| "setenv tftprootpath " \ |
| "/tftpboot/initrd.uimg; " \ |
| "setenv rootpath " \ |
| "/export/nfsroot; " \ |
| "setenv autoload n\0" \ |
| "initrdroot_boot=" \ |
| "run tftp_setup; " \ |
| "run regen_initrdroot_bootargs; " \ |
| "bootp; " \ |
| "if tftpboot ${rootaddr} ${tftpserverip}:${tftprootpath} && " \ |
| " tftpboot ${loadaddr} ${tftpserverip}:${tftpkernelpath}; " \ |
| "then " \ |
| "bootm ${loadaddr} ${rootaddr}; " \ |
| "else " \ |
| "echo 'ERROR: Could not load root/kernel from TFTP'; " \ |
| "exit; " \ |
| "fi\0" \ |
| "tftp_ext2_boot=" \ |
| "run tftp_setup; " \ |
| "run regen_ext2_bootargs; " \ |
| "bootp; " \ |
| "if tftpboot ${loadaddr} ${tftpserverip}:${tftpkernelpath}; " \ |
| "then " \ |
| "bootm ${loadaddr}; " \ |
| "else " \ |
| "echo 'ERROR: Could not load kernel from TFTP'; " \ |
| "exit; " \ |
| "fi\0" \ |
| "nfsroot_boot=" \ |
| "run tftp_setup; " \ |
| "run regen_nfsroot_bootargs; " \ |
| "bootp; " \ |
| "if tftpboot ${loadaddr} ${tftpserverip}:${tftpkernelpath}; " \ |
| "then " \ |
| "bootm ${loadaddr}; " \ |
| "else " \ |
| "echo 'ERROR: Could not load kernel from TFTP'; " \ |
| "exit; " \ |
| "fi\0" \ |
| \ |
| "net_boot=" \ |
| "if test ${ethact} != \"\"; then " \ |
| "if test ${tftpserverip} != \"0.0.0.0\"; then " \ |
| "run initrdroot_boot; " \ |
| "if test ${nfsserverip} != \"0.0.0.0\"; then " \ |
| "run nfsroot_boot; " \ |
| "fi; " \ |
| "fi; " \ |
| "fi\0" \ |
| |
| /* |
| * Our full set of extra enviornment variables. |
| * |
| * A few notes: |
| * - Right now, we can only boot from one USB device. Need to fix this once |
| * usb works better. |
| * - We define "non_verified_boot", which is the normal boot command unless |
| * it is overridden in the FDT. |
| * - When we're running securely, the FDT will specify to call vboot_twostop |
| * directly. |
| */ |
| |
| #define CONFIG_EXTRA_ENV_SETTINGS_COMMON \ |
| CONFIG_STD_DEVICES_SETTINGS \ |
| CONFIG_REGEN_ALL_SETTINGS \ |
| CONFIG_EXT2_BOOT_HELPER_SETTINGS\ |
| CONFIG_NETBOOT_SETTINGS \ |
| \ |
| "usb_boot=setenv devtype usb; " \ |
| "setenv devnum 0; " \ |
| "setenv devname sda; " \ |
| "run run_disk_boot_script;" \ |
| "run ext2_boot\0" \ |
| \ |
| "mmc_setup=" \ |
| "mmc rescan ${devnum}; " \ |
| "setenv devtype mmc; " \ |
| "setenv devname mmcblk${devnum}p\0" \ |
| "mmc_boot=" \ |
| "run mmc_setup; " \ |
| "run run_disk_boot_script;" \ |
| "run ext2_boot\0" \ |
| "mmc0_boot=setenv devnum 0; " \ |
| "run mmc_boot\0" \ |
| "mmc1_boot=setenv devnum 1; " \ |
| "run mmc_boot\0" \ |
| "mmc0_tftpboot=setenv devnum 0; " \ |
| "run mmc_setup; " \ |
| "run tftp_ext2_boot\0" \ |
| \ |
| "non_verified_boot=" \ |
| "usb start; " \ |
| "run net_boot; " \ |
| "run usb_boot; " \ |
| \ |
| "run mmc1_boot; " \ |
| "run mmc0_boot\0" |
| |
| #define CONFIG_BOOTCOMMAND "run non_verified_boot" |
| |
| #endif |