qiurui
/
rv1126-uboot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

rockchip: resource: support parse logo_kernel.bmp from logo partition 

"logo" partition layout, not change order:

|----------------------| 0x00
| raw logo.bmp         |
|----------------------| N*512-byte aligned
| raw logo_kernel.bmp  |
|----------------------|

N: the sector count of logo.bmp

Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Change-Id: I2deba013d3963c99664c5bfd69693835a46ba48f
This commit is contained in:
Joseph Chen 2019-12-08 18:00:37 +08:00 committed by Jianhong Chen
parent ea43a22275
commit 07f987d8d4
1 changed files with 61 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

88
arch/arm/mach-rockchip/resource_img.c
View File

@ -204,6 +204,49 @@ static int replace_resource_entry(const char *f_name, uint32_t base,
return 0;
}
static int read_logo_bmp(const char *name, disk_partition_t *part,
uint32_t offset, uint32_t *size)
{
struct blk_desc *dev_desc;
struct bmp_header *header;
u32 blk_start, blk_offset, filesz;
int ret;
dev_desc = rockchip_get_bootdev();
if (!dev_desc)
return -ENODEV;
blk_offset = DIV_ROUND_UP(offset, dev_desc->blksz);
blk_start = part->start + blk_offset;
header = memalign(ARCH_DMA_MINALIGN, dev_desc->blksz);
if (!header) {
ret = -ENOMEM;
goto err;
}
ret = blk_dread(dev_desc, blk_start, 1, header);
if (ret != 1) {
ret = -EIO;
goto err;
}
if (header->signature[0] != 'B' ||
header->signature[1] != 'M') {
ret = -EINVAL;
goto err;
}
filesz = get_unaligned_le32(&header->file_size);
ret = replace_resource_entry(name, blk_start, blk_offset, filesz);
if (!ret) {
printf("LOGO: %s\n", name);
if (size)
*size = filesz;
}
err:
free(header);
return ret;
}
/*
* There are: logo/battery pictures and dtb file in the resource image by default.
*
@ -220,7 +263,6 @@ static int init_resource_list(struct resource_img_hdr *hdr)
{
struct resource_entry *entry;
struct blk_desc *dev_desc;
struct bmp_header *header;
char *boot_partname = PART_BOOT;
disk_partition_t part_info;
int resource_found = 0;
@ -428,36 +470,28 @@ parse_second_pos_dtb:
parse_logo:
#endif
/*
* Add logo.bmp from "logo" parititon
* Add logo.bmp and logo_kernel.bmp from "logo" parititon
*
* We provide a "logo" partition for user to store logo.bmp
* and update from kernel user space dynamically.
* Provide a "logo" partition for user to store logo.bmp and
* logo_kernel.bmp, so that the users can update them from
* kernel or user-space dynamically.
*
* "logo" partition layout, not change order:
*
* |----------------------| 0x00
* | raw logo.bmp |
* |----------------------| N*512-byte aligned
* | raw logo_kernel.bmp |
* |----------------------|
*
* N: the sector count of logo.bmp
*/
if (part_get_info_by_name(dev_desc, PART_LOGO, &part_info) >= 0) {
header = memalign(ARCH_DMA_MINALIGN, dev_desc->blksz);
if (!header) {
ret = -ENOMEM;
goto err;
}
u32 filesz;
ret = blk_dread(dev_desc, part_info.start, 1, header);
if (ret != 1) {
ret = -EIO;
goto err2;
}
if (header->signature[0] != 'B' ||
header->signature[1] != 'M') {
ret = 0;
goto err2;
}
ret = replace_resource_entry("logo.bmp", part_info.start, 0,
get_unaligned_le32(&header->file_size));
if (!ret)
printf("Found logo.bmp in logo part\n");
err2:
free(header);
if (!read_logo_bmp("logo.bmp", &part_info, 0, &filesz))
read_logo_bmp("logo_kernel.bmp", &part_info,
filesz, NULL);
}
/*