Mirrors/u-boot
2
0
Fork 0
mirror of https://github.com/AsahiLinux/u-boot synced 2024-11-28 15:41:40 +00:00
Code Issues Projects Releases Packages Wiki Activity

[new uImage] Add proper ramdisk/FDT handling when FIT configuration is used

Browse source 
Save FIT configuration provied in the first bootm argument and use it
when to get ramdisk/FDT subimages when second and third (ramdisk/FDT)
arguments are not specified.

Signed-off-by: Marian Balakowicz <m8@semihalf.com>
This commit is contained in:
Marian Balakowicz 2008-03-12 10:35:46 +01:00
parent 2682ce8a42
commit f773bea8e1
5 changed files with 168 additions and 62 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
README
View file

@ -1769,6 +1769,7 @@ FIT uImage format:
-101 common/cmd_bootm.c Can't get configuration for kernel subimage
102 common/cmd_bootm.c Kernel unit name specified
-103 common/cmd_bootm.c Can't get kernel subimage node offset
103 common/cmd_bootm.c Found configuration node
104 common/cmd_bootm.c Got kernel subimage node offset
-104 common/cmd_bootm.c Kernel subimage hash verification failed
105 common/cmd_bootm.c Kernel subimage hash verification OK

14
common/cmd_bootm.c
View file

@ -469,7 +469,7 @@ static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]
const char *fit_uname_kernel = NULL;
const void *data;
size_t len;
int conf_noffset;
int cfg_noffset;
int os_noffset;
#endif
@ -548,13 +548,19 @@ static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]
* fit_conf_get_node() will try to find default config node
*/
show_boot_progress (101);
conf_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
if (conf_noffset < 0) {
cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
if (cfg_noffset < 0) {
show_boot_progress (-101);
return NULL;
}
/* save configuration uname provided in the first
* bootm argument
*/
images->fit_uname_cfg = fdt_get_name (fit_hdr, cfg_noffset, NULL);
printf (" Using '%s' configuration\n", images->fit_uname_cfg);
show_boot_progress (103);
os_noffset = fit_conf_get_kernel_node (fit_hdr, conf_noffset);
os_noffset = fit_conf_get_kernel_node (fit_hdr, cfg_noffset);
fit_uname_kernel = fit_get_name (fit_hdr, os_noffset, NULL);
} else {
/* get kernel component image node offset */

72
common/image.c
View file

@ -737,6 +737,26 @@ ulong genimg_get_image (ulong img_addr)
return ram_addr;
}
/**
* fit_has_config - check if there is a valid FIT configuration
* @images: pointer to the bootm command headers structure
*
* fit_has_config() checks if there is a FIT configuration in use
* (if FTI support is present).
*
* returns:
* 0, no FIT support or no configuration found
* 1, configuration found
*/
int genimg_has_config (bootm_headers_t *images)
{
#if defined(CONFIG_FIT)
if (images->fit_uname_cfg)
return 1;
#endif
return 0;
}
/**
* boot_get_ramdisk - main ramdisk handling routine
* @argc: command argument count
@ -771,7 +791,7 @@ int boot_get_ramdisk (int argc, char *argv[], bootm_headers_t *images,
const char *fit_uname_ramdisk = NULL;
ulong default_addr;
int rd_noffset;
int conf_noffset;
int cfg_noffset;
const void *data;
size_t size;
#endif
@ -786,12 +806,14 @@ int boot_get_ramdisk (int argc, char *argv[], bootm_headers_t *images,
if ((argc >= 3) && (strcmp(argv[2], "-") == 0)) {
debug ("## Skipping init Ramdisk\n");
rd_len = rd_data = 0;
} else if (argc >= 3) {
} else if (argc >= 3 || genimg_has_config (images)) {
#if defined(CONFIG_FIT)
if (argc >= 3) {
/*
* If the init ramdisk comes from the FIT image and the FIT image
* address is omitted in the command line argument, try to use
* os FIT image address or default load address.
* If the init ramdisk comes from the FIT image and
* the FIT image address is omitted in the command
* line argument, try to use os FIT image address or
* default load address.
*/
if (images->fit_uname_os)
default_addr = (ulong)images->fit_hdr_os;
@ -813,6 +835,34 @@ int boot_get_ramdisk (int argc, char *argv[], bootm_headers_t *images,
debug ("* ramdisk: cmdline image address = 0x%08lx\n",
rd_addr);
}
#if defined(CONFIG_FIT)
} else {
/* use FIT configuration provided in first bootm
* command argument
*/
rd_addr = (ulong)images->fit_hdr_os;
fit_uname_config = images->fit_uname_cfg;
debug ("* ramdisk: using config '%s' from image at 0x%08lx\n",
fit_uname_config, rd_addr);
/*
* Check whether configuration has ramdisk defined,
* if not, don't try to use it, quit silently.
*/
fit_hdr = (void *)rd_addr;
cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
if (cfg_noffset < 0) {
debug ("* ramdisk: no such config\n");
return 0;
}
rd_noffset = fit_conf_get_ramdisk_node (fit_hdr, cfg_noffset);
if (rd_noffset < 0) {
debug ("* ramdisk: no ramdisk in config\n");
return 0;
}
}
#endif
/* copy from dataflash if needed */
rd_addr = genimg_get_image (rd_addr);
@ -859,13 +909,16 @@ int boot_get_ramdisk (int argc, char *argv[], bootm_headers_t *images,
* fit_conf_get_node() will try to find default config node
*/
show_boot_progress (122);
conf_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
if (conf_noffset < 0) {
cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
if (cfg_noffset < 0) {
puts ("Could not find configuration node\n");
show_boot_progress (-122);
return 0;
}
fit_uname_config = fdt_get_name (fit_hdr, cfg_noffset, NULL);
printf (" Using '%s' configuration\n", fit_uname_config);
rd_noffset = fit_conf_get_ramdisk_node (fit_hdr, conf_noffset);
rd_noffset = fit_conf_get_ramdisk_node (fit_hdr, cfg_noffset);
fit_uname_ramdisk = fit_get_name (fit_hdr, rd_noffset, NULL);
} else {
/* get ramdisk component image node offset */
@ -873,6 +926,7 @@ int boot_get_ramdisk (int argc, char *argv[], bootm_headers_t *images,
rd_noffset = fit_image_get_node (fit_hdr, fit_uname_ramdisk);
}
if (rd_noffset < 0) {
puts ("Could not find subimage node\n");
show_boot_progress (-124);
return 0;
}
@ -2394,7 +2448,7 @@ int fit_conf_get_fdt_node (const void *fit, int noffset)
/**
* fit_conf_print - prints out the FIT configuration details
* @fit: pointer to the FIT format image header
* @conf_noffset: offset of the configuration node
* @noffset: offset of the configuration node
* @p: pointer to prefix string
*
* fit_conf_print() lists all mandatory properies for the processed

3
include/image.h
View file

@ -206,6 +206,8 @@ typedef struct bootm_headers {
ulong legacy_hdr_valid;
#if defined(CONFIG_FIT)
const char *fit_uname_cfg; /* configuration node unit name */
void *fit_hdr_os; /* os FIT image header */
const char *fit_uname_os; /* os subimage node unit name */
int fit_noffset_os; /* os subimage node offset */
@ -251,6 +253,7 @@ int genimg_get_comp_id (const char *name);
#define IMAGE_FORMAT_FIT 0x02 /* new, libfdt based format */
int genimg_get_format (void *img_addr);
int genimg_has_config (bootm_headers_t *images);
ulong genimg_get_image (ulong img_addr);
int boot_get_ramdisk (int argc, char *argv[], bootm_headers_t *images,

60
lib_ppc/bootm.c
View file

@ -415,7 +415,7 @@ static int boot_get_fdt (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
const char *fit_uname_config = NULL;
const char *fit_uname_fdt = NULL;
ulong default_addr;
int conf_noffset;
int cfg_noffset;
int fdt_noffset;
const void *data;
size_t size;
@ -424,12 +424,14 @@ static int boot_get_fdt (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
*of_flat_tree = NULL;
*of_size = 0;
if (argc > 3) {
if (argc > 3 || genimg_has_config (images)) {
#if defined(CONFIG_FIT)
if (argc > 3) {
/*
* If the FDT blob comes from the FIT image and the FIT image
* address is omitted in the command line argument, try to use
* ramdisk or os FIT image address or default load address.
* If the FDT blob comes from the FIT image and the
* FIT image address is omitted in the command line
* argument, try to use ramdisk or os FIT image
* address or default load address.
*/
if (images->fit_uname_rd)
default_addr = (ulong)images->fit_hdr_rd;
@ -453,6 +455,36 @@ static int boot_get_fdt (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
debug ("* fdt: cmdline image address = 0x%08lx\n",
fdt_addr);
}
#if defined(CONFIG_FIT)
} else {
/* use FIT configuration provided in first bootm
* command argument
*/
fdt_addr = (ulong)images->fit_hdr_os;
fit_uname_config = images->fit_uname_cfg;
debug ("* fdt: using config '%s' from image at 0x%08lx\n",
fit_uname_config, fdt_addr);
/*
* Check whether configuration has FDT blob defined,
* if not quit silently.
*/
fit_hdr = (void *)fdt_addr;
cfg_noffset = fit_conf_get_node (fit_hdr,
fit_uname_config);
if (cfg_noffset < 0) {
debug ("* fdt: no such config\n");
return 0;
}
fdt_noffset = fit_conf_get_fdt_node (fit_hdr,
cfg_noffset);
if (fdt_noffset < 0) {
debug ("* fdt: no fdt in config\n");
return 0;
}
}
#endif
debug ("## Checking for 'FDT'/'FDT Image' at %08lx\n",
fdt_addr);
@ -522,13 +554,21 @@ static int boot_get_fdt (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
* fit_conf_get_node() will try to
* find default config node
*/
conf_noffset = fit_conf_get_node (fit_hdr,
cfg_noffset = fit_conf_get_node (fit_hdr,
fit_uname_config);
if (conf_noffset < 0)
if (cfg_noffset < 0) {
fdt_error ("Could not find configuration node\n");
goto error;
}
fit_uname_config = fdt_get_name (fit_hdr,
cfg_noffset, NULL);
printf (" Using '%s' configuration\n",
fit_uname_config);
fdt_noffset = fit_conf_get_fdt_node (fit_hdr,
conf_noffset);
cfg_noffset);
fit_uname_fdt = fit_get_name (fit_hdr,
fdt_noffset, NULL);
} else {
@ -536,8 +576,10 @@ static int boot_get_fdt (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
fdt_noffset = fit_image_get_node (fit_hdr,
fit_uname_fdt);
}
if (fdt_noffset < 0)
if (fdt_noffset < 0) {
fdt_error ("Could not find subimage node\n");
goto error;
}
printf (" Trying '%s' FDT blob subimage\n",
fit_uname_fdt);