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qi-add-noboot-and-append-check.patch

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This adds two features that can be set in the rootfs that Qi is checking.

 - if it finds /boot/noboot-<device>, eg /boot/noboot-GTA02 then it will
   skip the rootfs for booting and try the next one if any

 - if it finds /boot/append-<device>, eg, /boot/append-GTA02 then it will
   append the contents of this file to the kernel commandline.

Signed-off-by: Andy Green <andy@openmoko.com>
This commit is contained in:
Andy Green 2008-11-28 10:16:45 +00:00 committed by Andy Green
parent 3565397f1c
commit 1b06d98bc7
6 changed files with 46 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
qiboot/include/qi.h
View File

@ -74,6 +74,8 @@ struct board_api {
unsigned long linux_tag_placement;
const char *commandline_board;
const char *commandline_board_debug;
const char *noboot;
const char *append;
const struct board_variant const * (*get_board_variant)(void);
int (*is_this_board)(void);
void (*early_port_init)(void);

8
qiboot/src/cpu/s3c2410/gta01.c
View File

@ -235,6 +235,8 @@ const struct board_api board_api_gta01 = {
"init=/sbin/init "\
"ro",
.commandline_board_debug = " loglevel=8 console=tty0",
.noboot = "boot/noboot-GTA01",
.append = "boot/append-GTA01",
/* these are the ways we could boot GTA01 in order to try */
.kernel_source = {
[0] = {
@ -244,7 +246,7 @@ const struct board_api board_api_gta01 = {
.partition_index = 1,
.filesystem = FS_EXT2,
.filepath = "boot/uImage-GTA01.bin",
.commandline_append = " root=/dev/mmcblk0p1",
.commandline_append = " root=/dev/mmcblk0p1 ",
},
[1] = {
.name = "SD Card EXT2 Kernel p2",
@ -253,7 +255,7 @@ const struct board_api board_api_gta01 = {
.partition_index = 2,
.filesystem = FS_EXT2,
.filepath = "boot/uImage-GTA01.bin",
.commandline_append = " root=/dev/mmcblk0p2",
.commandline_append = " root=/dev/mmcblk0p2 ",
},
[2] = {
.name = "SD Card EXT2 Kernel p3",
@ -262,7 +264,7 @@ const struct board_api board_api_gta01 = {
.partition_index = 3,
.filesystem = FS_EXT2,
.filepath = "boot/uImage-GTA01.bin",
.commandline_append = " root=/dev/mmcblk0p3",
.commandline_append = " root=/dev/mmcblk0p3 ",
},
[3] = {
.name = "NAND Kernel",

10
qiboot/src/cpu/s3c2442/gta02.c
View File

@ -396,6 +396,8 @@ const struct board_api board_api_gta02 = {
"ro",
.commandline_board_debug = " console=tty0 " \
"loglevel=8",
.noboot = "boot/noboot-GTA02",
.append = "boot/append-GTA02",
/* these are the ways we could boot GTA02 in the order to try */
.kernel_source = {
[0] = {
@ -405,7 +407,7 @@ const struct board_api board_api_gta02 = {
.partition_index = 1,
.filesystem = FS_EXT2,
.filepath = "boot/uImage-GTA02.bin",
.commandline_append = " root=/dev/mmcblk0p1",
.commandline_append = " root=/dev/mmcblk0p1 ",
},
[1] = {
.name = "SD Card EXT2 P2 Kernel",
@ -414,7 +416,7 @@ const struct board_api board_api_gta02 = {
.partition_index = 2,
.filesystem = FS_EXT2,
.filepath = "boot/uImage-GTA02.bin",
.commandline_append = " root=/dev/mmcblk0p2",
.commandline_append = " root=/dev/mmcblk0p2 ",
},
[2] = {
.name = "SD Card EXT2 P3 Kernel",
@ -423,7 +425,7 @@ const struct board_api board_api_gta02 = {
.partition_index = 3,
.filesystem = FS_EXT2,
.filepath = "boot/uImage-GTA02.bin",
.commandline_append = " root=/dev/mmcblk0p3",
.commandline_append = " root=/dev/mmcblk0p3 ",
},
[3] = {
.name = "NAND Kernel",
@ -431,7 +433,7 @@ const struct board_api board_api_gta02 = {
.offset_blocks512_if_no_partition = 0x80000 / 512,
.filesystem = FS_RAW,
.commandline_append = " rootfstype=jffs2 " \
"root=/dev/mtdblock6",
"root=/dev/mtdblock6 ",
},
},
};

6
qiboot/src/cpu/s3c6410/gta03-steppingstone.c
View File

@ -57,6 +57,8 @@ const struct board_api board_api_gta03 = {
.is_this_board = is_this_board_gta03,
.port_init = port_init_gta03,
.putc = putc_gta03,
.noboot = "boot/noboot-GTA03",
.append = "boot/append-GTA03",
.commandline_board = "console=ttySAC3,115200 " \
"init=/bin/sh " \
"loglevel=8 ",
@ -67,7 +69,7 @@ const struct board_api board_api_gta03 = {
.filesystem = FS_EXT2,
.partition_index = 2,
.filepath = "boot/uImage-GTA03.bin",
.commandline_append = "root=/dev/mmcblk0p2",
.commandline_append = "root=/dev/mmcblk0p2 ",
},
[1] = {
.name = "SD Card backup rootfs",
@ -75,7 +77,7 @@ const struct board_api board_api_gta03 = {
.filesystem = FS_EXT2,
.partition_index = 3,
.filepath = "boot/uImage-GTA03.bin",
.commandline_append = "root=/dev/mmcblk0p3",
.commandline_append = "root=/dev/mmcblk0p3 ",
},
},
};

12
qiboot/src/cpu/s3c6410/smdk6410-steppingstone.c
View File

@ -47,23 +47,25 @@ const struct board_api board_api_smdk6410 = {
.putc = putc_smdk6410,
.commandline_board = "console=ttySAC0,115200 " \
"loglevel=3 " \
"init=/bin/sh",
"init=/bin/sh ",
.noboot = "boot/noboot-SDMK6410",
.append = "boot/append-SMDK6410",
.kernel_source = {
[0] = {
.name = "SD Card rootfs",
.block_read = sd_card_block_read_smdk6410,
.filesystem = FS_EXT2,
.partition_index = 2,
.filepath = "boot/uImage.bin",
.commandline_append = " root=/dev/mmcblk0p2"
.filepath = "boot/uImage-SMDK6410.bin",
.commandline_append = "root=/dev/mmcblk0p2 "
},
[1] = {
.name = "SD Card backup rootfs",
.block_read = sd_card_block_read_smdk6410,
.filesystem = FS_EXT2,
.partition_index = 3,
.filepath = "boot/uImage.bin",
.commandline_append = " root=/dev/mmcblk0p3"
.filepath = "boot/uImage-SMDK6410.bin",
.commandline_append = "root=/dev/mmcblk0p3 "
},
},
};

25
qiboot/src/phase2.c
View File

@ -44,7 +44,7 @@ int raise(int n)
int read_file(const char * filepath, u8 * destination, int size)
{
unsigned int len = size;
int len = size;
switch (this_kernel->filesystem) {
case FS_EXT2:
@ -54,12 +54,12 @@ int read_file(const char * filepath, u8 * destination, int size)
}
puts(" EXT2 open: ");
puts(filepath);
puts("\n");
len = ext2fs_open(filepath);
if (len < 0) {
puts("Open failed\n");
puts(" Open failed\n");
return -1;
}
puts(" OK\n");
ext2fs_read((char *)destination, size);
break;
@ -87,6 +87,7 @@ void bootloader_second_phase(void)
const struct board_variant * board_variant =
(this_board->get_board_variant)();
unsigned int initramfs_len = 0;
static char commandline_rootfs_append[512] = "";
/* we try the possible kernels for this board in order */
@ -165,6 +166,21 @@ void bootloader_second_phase(void)
partition_offset_blocks =
this_kernel->offset_blocks512_if_no_partition;
/* does he want us to skip this? */
if (read_file(this_board->noboot, kernel_dram, 512) >= 0) {
puts(" (Skipping on finding ");
puts(this_board->noboot);
puts(")\n");
this_kernel = &this_board->kernel_source[kernel++];
continue;
}
/* is there a commandline append file? */
read_file(this_board->append, (u8 *)commandline_rootfs_append,
512);
/* pull the kernel image */
if (read_file(this_kernel->filepath, kernel_dram, 4096) < 0) {
@ -268,6 +284,9 @@ void bootloader_second_phase(void)
if (this_kernel->commandline_append)
cmdline += strlen(strcpy(cmdline,
this_kernel->commandline_append));
if (commandline_rootfs_append[0])
cmdline += strlen(strcpy(cmdline,
commandline_rootfs_append));
params->hdr.tag = ATAG_CMDLINE;
params->hdr.size = (sizeof (struct tag_header) +