[U-Boot] [PATCH V3 0/7] Add splash screen for CM-T35

Nikita Kiryanov nikita at compulab.co.il
Sun Mar 10 12:21:59 CET 2013


Gentle ping.

On 01/31/2013 09:39 AM, Nikita Kiryanov wrote:
> This patchset adds splash screen support for CM-T35.
> It includes the ability to initialize the display subsystem either using
> predefines (selected via env variable "displaytype"), or user supplied
> configuration options, also stored in an environment variables and pointed to by
> displaytype. The splash image data is currently read from NAND.
>
> As a preparation for the above functionality this patchset adds:
>   - new DSS #defines
>   - an option for board-specific splash screen preparation, which can be invoked
>   in lcd_logo() right before displaying the splash screen (typical use case:
>   load the image data from non-memory mapped storage in time for it to be
>   displayed).
>   - struct panel_config is extended to support setting the gfx_format dynamically
>   - protection from data aborts due to unaligned bmp headers is added to
>   lcd_logo's splashscreen section (I'm also looking into refining this
>   protection later on).
>
> Changes in V3:
>   - No unnecessary #defines in arch-omap3/dss.h [Wolfgang Denk]
>   - Reworded patch 2 comment [Wolfgang Denk]
>   - Used a #define for cmap addr [Wolfgang Denk]
>
> Changes in V2:
>   - DSS #defines are defined shiften where possible [Jeroen Hofstee]
>   - GFXFORMAT_RGB16 now passed to omap3_dss_panel_config() in a new field of
>   panel_cfg. Updated existing panel_config structs to set this field to the value
>   that was originally hardcoded into omap3_dss_panel_config(). [Jeroen Hofstee]
>   - Used LCD_BPP for vl_bpix. [Jeroen Hofstee]
>   - Added a comment to explain the choice of GFXFORMAT_RGB16. [Jeroen Hofstee]
>   - Added an address check (and fix) to the address of splashimage in order to
>   avoid alignment problems with bmp header. A similar check appears in
>   board_splash_screen_prepare() for cm_t35. [Albert ARIBAUD]
>   - Do not manually set gfx burst size to GFXBURSTSIZE16, as it is apparently not
>   necessary. GFXBURSTSIZE* #defines were kept in patch 1 anyway in the hope they
>   will be useful for someone.
>
> Nikita Kiryanov (7):
>    omap3: add useful dss defines
>    omap3: allow dynamic selection of gfx_format
>    lcd: prevent unaligned memory access when displaying splash screen
>    lcd: add option for board specific splash screen preparation
>    cm-t35: add support for dvi displays
>    cm-t35: add support for user defined lcd parameters
>    cm-t35: add support for loading splash image from NAND
>
>   README                                |    8 +
>   arch/arm/include/asm/arch-omap3/dss.h |   31 +++
>   board/cm_t35/Makefile                 |    1 +
>   board/cm_t35/cm_t35.c                 |   68 ++++++
>   board/cm_t35/display.c                |  428 +++++++++++++++++++++++++++++++++
>   board/htkw/mcx/mcx.c                  |    1 +
>   board/teejet/mt_ventoux/mt_ventoux.c  |    2 +
>   board/ti/beagle/beagle.h              |    6 +-
>   common/lcd.c                          |   23 ++
>   drivers/video/omap3_dss.c             |    2 +-
>   include/configs/cm_t35.h              |   11 +
>   include/lcd.h                         |    1 +
>   12 files changed, 579 insertions(+), 3 deletions(-)
>   create mode 100644 board/cm_t35/display.c
>


-- 
Regards,
Nikita.


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