diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/bootimg.h | 107 | ||||
| -rw-r--r-- | include/configs/mx6q_sabrelite_android.h | 2 | ||||
| -rw-r--r-- | include/configs/mx6q_sabresd_android.h | 1 |
3 files changed, 110 insertions, 0 deletions
diff --git a/include/bootimg.h b/include/bootimg.h new file mode 100644 index 0000000..5f64bc6 --- /dev/null +++ b/include/bootimg.h @@ -0,0 +1,107 @@ +/* + * Copyright (C) 2008 The Android Open Source Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef _BOOT_IMAGE_H_ +#define _BOOT_IMAGE_H_ + +typedef struct boot_img_hdr boot_img_hdr; + +#define BOOT_MAGIC "ANDROID!" +#define BOOT_MAGIC_SIZE 8 +#define BOOT_NAME_SIZE 16 +#define BOOT_ARGS_SIZE 512 + +struct boot_img_hdr { + unsigned char magic[BOOT_MAGIC_SIZE]; + + unsigned kernel_size; /* size in bytes */ + unsigned kernel_addr; /* physical load addr */ + + unsigned ramdisk_size; /* size in bytes */ + unsigned ramdisk_addr; /* physical load addr */ + + unsigned second_size; /* size in bytes */ + unsigned second_addr; /* physical load addr */ + + unsigned tags_addr; /* physical addr for kernel tags */ + unsigned page_size; /* flash page size we assume */ + unsigned unused[2]; /* future expansion: should be 0 */ + + unsigned char name[BOOT_NAME_SIZE]; /* asciiz product name */ + + unsigned char cmdline[BOOT_ARGS_SIZE]; + + unsigned id[8]; /* timestamp / checksum / sha1 / etc */ +}; + +/* +** +-----------------+ +** | boot header | 1 page +** +-----------------+ +** | kernel | n pages +** +-----------------+ +** | ramdisk | m pages +** +-----------------+ +** | second stage | o pages +** +-----------------+ +** +** n = (kernel_size + page_size - 1) / page_size +** m = (ramdisk_size + page_size - 1) / page_size +** o = (second_size + page_size - 1) / page_size +** +** 0. all entities are page_size aligned in flash +** 1. kernel and ramdisk are required (size != 0) +** 2. second is optional (second_size == 0 -> no second) +** 3. load each element (kernel, ramdisk, second) at +** the specified physical address (kernel_addr, etc) +** 4. prepare tags at tag_addr. kernel_args[] is +** appended to the kernel commandline in the tags. +** 5. r0 = 0, r1 = MACHINE_TYPE, r2 = tags_addr +** 6. if second_size != 0: jump to second_addr +** else: jump to kernel_addr +*/ + +#if 0 +typedef struct ptentry ptentry; + +struct ptentry { + char name[16]; /* asciiz partition name */ + unsigned start; /* starting block number */ + unsigned length; /* length in blocks */ + unsigned flags; /* set to zero */ +}; + +/* MSM Partition Table ATAG +** +** length: 2 + 7 * n +** atag: 0x4d534d70 +** <ptentry> x n +*/ +#endif + +#endif diff --git a/include/configs/mx6q_sabrelite_android.h b/include/configs/mx6q_sabrelite_android.h index 8d5526e..3898320 100644 --- a/include/configs/mx6q_sabrelite_android.h +++ b/include/configs/mx6q_sabrelite_android.h @@ -143,6 +143,8 @@ #define CONFIG_LOADADDR 0x10800000 /* loadaddr env var */ #define CONFIG_RD_LOADADDR 0x11000000 +#define CONFIG_INITRD_TAG + #define CONFIG_EXTRA_ENV_SETTINGS \ "netdev=eth0\0" \ "ethprime=FEC0\0" \ diff --git a/include/configs/mx6q_sabresd_android.h b/include/configs/mx6q_sabresd_android.h index 349ffc1..3ff1e14 100644 --- a/include/configs/mx6q_sabresd_android.h +++ b/include/configs/mx6q_sabresd_android.h @@ -56,6 +56,7 @@ "mmc dev 3; " \ "mmc read ${loadaddr} 0x800 0x2000;bootm" #define CONFIG_ANDROID_RECOVERY_CMD_FILE "/recovery/command" +#define CONFIG_INITRD_TAG #undef CONFIG_LOADADDR #undef CONFIG_RD_LOADADDR |