redonkable/remarkable-uboot
redonkable/remarkable-uboot
1
0
Fork 0
Code Releases Activity

ADS5121 DIU Add diu_bmp_addr env

Browse source 
Add support for using a bmp other than
FSL_Logo_BMP for the DIU splash screen.

Can now set the env var "diu_bmp_addr" to
the address of a BMP in flash to use instead
of the default FSL_Logo_BMP.

Signed-off-by: Martha Marx <mmarx@silicontkx.com>
Signed-off-by: John Rigby <jrigby@freescale.com>
This commit is contained in:
John Rigby 2008-11-19 13:57:34 -07:00
parent 92c20fbd3a
commit 4c154252c4
1 changed files with 26 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

28
board/ads5121/ads5121_diu.c
View file

@ -65,16 +65,40 @@ void diu_set_pixel_clock(unsigned int pixclock)
debug("DIU: Modified value of CLKDVDR = 0x%08x\n", *clkdvdr);
}
char *valid_bmp(char *addr)
{
unsigned long h_addr;
h_addr = simple_strtoul(addr, NULL, 16);
if (h_addr < CONFIG_SYS_FLASH_BASE ||
h_addr >= (CONFIG_SYS_FLASH_BASE + CONFIG_SYS_FLASH_SIZE - 1)) {
printf("bmp addr %lx is not a valid flash address\n", h_addr);
return 0;
} else if ((*(char *)(h_addr) != 'B') || (*(char *)(h_addr+1) != 'M')) {
printf("bmp addr is not a bmp\n");
return 0;
} else
return (char *)h_addr;
}
int ads5121_diu_init(void)
{
unsigned int pixel_format;
char *bmp = NULL;
char *bmp_env;
xres = 1024;
yres = 768;
pixel_format = 0x88883316;
return fsl_diu_init(xres, pixel_format, 0,
(unsigned char *)FSL_Logo_BMP);
debug("ads5121_diu_init\n");
bmp_env = getenv("diu_bmp_addr");
if (bmp_env) {
bmp = valid_bmp(bmp_env);
}
if (!bmp)
bmp = FSL_Logo_BMP;
return fsl_diu_init(xres, pixel_format, 0, (unsigned char *)bmp);
}
int ads5121diu_init_show_bmp(cmd_tbl_t *cmdtp,