[U-Boot] [PATCH] at91: Add esd gmbh OTC570 board support
Daniel Gorsulowski
Daniel.Gorsulowski at esd.eu
Mon Jan 25 10:50:00 CET 2010
Hello Tom,
thanks for reviewing...
Tom wrote:
> Daniel Gorsulowski wrote:
>> This patch adds support for esd gmbh OTC570 board.
>> The OTC570 is based on an Atmel AT91SAM9263 SoC.
>>
>> Signed-off-by: Daniel Gorsulowski <Daniel.Gorsulowski at esd.eu>
>
> For u-boot-video.
> Maybe some u-boot commands that could be common.
>
<snip>
>> +
>> +/*
>> + * U-Boot commands
>> + */
>> +
>> +/* Set brightness */
>> +int do_blbright(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
>> +{
>> + unsigned long value = 0xff;
>> +
>> + if (argc > 1) {
>> + value = simple_strtoul(argv[1], NULL, 0);
>> + if ((value >= 0) && (value <= 255)) {
>> + printf("Writing value %02lX ...", value);
>> + __raw_writel(value, (panel_info.mmio +
>> + ATMEL_LCDC_CONTRAST_VAL));
>> + puts("done\n");
>> + } else {
>> + puts("Invalid value! ");
>> + puts("Valid values are 0 ... 255 or 0x0 ... 0xFF\n");
>> + return -1;
>> + }
>> + } else {
>> + puts("No value given! ");
>> + puts("Valid values are 0 ... 255 or 0x0 ... 0xFF\n");
>> + return -1;
>> + }
>> + return 0;
>> +}
>> +U_BOOT_CMD(
>> + blbright, 2, 1, do_blbright,
>> + "sets display brightness",
>> + "\n"
>> +);
>> +
>> +/* Switch backlight power */
>> +int do_blpower(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
>> +{
>> + int i = 0;
>> + if (argc > 1) {
>> + i = argv[1][0] == '0';
>> + if (i) {
>> + puts("Switching backlight off... ");
>> + lcd_disable();
>> + } else {
>> + puts("Switching backlight on... ");
>> + lcd_enable();
>> + }
>> + puts("done\n");
>> + } else
>> + puts("No value given!\n");
>> + return 0;
>> +}
>> +U_BOOT_CMD(
>> + blpower, 2, 1, do_blpower,
>> + "switches display-backlight on or off",
>> + "\n"
>> +);
>
> These video commands look common enough that maybe they should
> go into common/* Is there anything that already does this?
>
I'll think about, how to make these commands common. Until then I
can live without them, so I'll remove them for now.
<snip>
>> index 5b8c3c3..c91e19d 100644
>> --- a/tools/Makefile
>> +++ b/tools/Makefile
>> @@ -102,6 +102,9 @@ endif
>> ifeq ($(VENDOR),atmel)
>> LOGO_BMP= logos/atmel.bmp
>> endif
>> +ifeq ($(VENDOR),esd)
>> +LOGO_BMP= logos/esd.bmp
>> +endif
>
> There are a number of esd board.
> Is this bmp ok for all of them ?
>
Yes, this bmp is common for all esd boards that have a LCD and provide a bootup
logo
>> ifeq ($(VENDOR),ronetix)
>> LOGO_BMP= logos/ronetix.bmp
>> endif
>> diff --git a/tools/logos/esd.bmp b/tools/logos/esd.bmp
<snip>
All other other suggestions I applyed in v2.
Regards,
Daniel
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