[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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