Message ID | 4D7F24C3.9060006@samsung.com |
---|---|
State | Changes Requested |
Headers | show |
Hi Minkyu Kang, Le 15/03/2011 09:35, Minkyu Kang a écrit : > f FB address is defined specific address then don't grab memory for LCD > > Signed-off-by: Minkyu Kang<mk7.kang@samsung.com> > Cc: Albert Aribaud<albert.aribaud@free.fr> > Cc: Wolfgang Denk<wd@denx.de> > Cc: Stefan Roese<sr@denx.de> > Cc: Kim Phillips<kim.phillips@freescale.com> > Cc: Andy Fleming<afleming@gmail.com> > Cc: Kumar Gala<kumar.gala@freescale.com> > --- > v2 > add document > > arch/arm/lib/board.c | 4 ++++ > arch/m68k/lib/board.c | 4 ++++ > arch/powerpc/lib/board.c | 4 ++++ > doc/README.fb_addr | 17 +++++++++++++++++ > 4 files changed, 29 insertions(+), 0 deletions(-) > create mode 100644 doc/README.fb_addr > > diff --git a/arch/arm/lib/board.c b/arch/arm/lib/board.c > index c620d2c..5a4d2bd 100644 > --- a/arch/arm/lib/board.c > +++ b/arch/arm/lib/board.c > @@ -356,9 +356,13 @@ void board_init_f (ulong bootflag) > #endif /* CONFIG_VFD */ > > #ifdef CONFIG_LCD > +#ifdef CONFIG_FB_ADDR > + gd->fb_base = CONFIG_FB_ADDR; > +#else > /* reserve memory for LCD display (always full pages) */ > addr = lcd_setmem (addr); > gd->fb_base = addr; > +#endif /* CONFIG_FB_ADDR */ > #endif /* CONFIG_LCD */ > > /* > diff --git a/arch/m68k/lib/board.c b/arch/m68k/lib/board.c > index 7867ba5..a6cd9b8 100644 > --- a/arch/m68k/lib/board.c > +++ b/arch/m68k/lib/board.c > @@ -277,9 +277,13 @@ board_init_f (ulong bootflag) > debug ("Top of RAM usable for U-Boot at: %08lx\n", addr); > > #ifdef CONFIG_LCD > +#ifdef CONFIG_FB_ADDR > + gd->fb_base = CONFIG_FB_ADDR; > +#else > /* reserve memory for LCD display (always full pages) */ > addr = lcd_setmem (addr); > gd->fb_base = addr; > +#endif /* CONFIG_FB_ADDR */ > #endif /* CONFIG_LCD */ > > /* > diff --git a/arch/powerpc/lib/board.c b/arch/powerpc/lib/board.c > index b88cf6b..09c20e9 100644 > --- a/arch/powerpc/lib/board.c > +++ b/arch/powerpc/lib/board.c > @@ -453,9 +453,13 @@ void board_init_f (ulong bootflag) > debug ("Top of RAM usable for U-Boot at: %08lx\n", addr); > > #ifdef CONFIG_LCD > +#ifdef CONFIG_FB_ADDR > + gd->fb_base = CONFIG_FB_ADDR; > +#else > /* reserve memory for LCD display (always full pages) */ > addr = lcd_setmem (addr); > gd->fb_base = addr; > +#endif /* CONFIG_FB_ADDR */ > #endif /* CONFIG_LCD */ > > #if defined(CONFIG_VIDEO)&& defined(CONFIG_8xx) > diff --git a/doc/README.fb_addr b/doc/README.fb_addr > new file mode 100644 > index 0000000..ea8bca6 > --- /dev/null > +++ b/doc/README.fb_addr > @@ -0,0 +1,17 @@ > +Define CONFIG_FB_ADDR if you want to use specific address for frame buffer. > +Then system will reserve the frame buffer address to defined address instead of > +lcd_setmem (this function grab the memory for frame buffer by panel's size). > + > +Please see below code (in board_init_f function from arch/arm/lib/board.c) > + > +#ifdef CONFIG_FB_ADDR > + gd->fb_base = CONFIG_FB_ADDR; > +#else > + /* reserve memory for LCD display (always full pages) */ > + addr = lcd_setmem (addr); > + gd->fb_base = addr; > +#endif /* CONFIG_FB_ADDR */ > + > +If you want this config option then please define it at your board config file > + > +#define CONFIG_FB_ADDR 0x00000000 Patch does not apply cleanly through git am due to whitespace errors (space before tabs). Amicalement,
diff --git a/arch/arm/lib/board.c b/arch/arm/lib/board.c index c620d2c..5a4d2bd 100644 --- a/arch/arm/lib/board.c +++ b/arch/arm/lib/board.c @@ -356,9 +356,13 @@ void board_init_f (ulong bootflag) #endif /* CONFIG_VFD */ #ifdef CONFIG_LCD +#ifdef CONFIG_FB_ADDR + gd->fb_base = CONFIG_FB_ADDR; +#else /* reserve memory for LCD display (always full pages) */ addr = lcd_setmem (addr); gd->fb_base = addr; +#endif /* CONFIG_FB_ADDR */ #endif /* CONFIG_LCD */ /* diff --git a/arch/m68k/lib/board.c b/arch/m68k/lib/board.c index 7867ba5..a6cd9b8 100644 --- a/arch/m68k/lib/board.c +++ b/arch/m68k/lib/board.c @@ -277,9 +277,13 @@ board_init_f (ulong bootflag) debug ("Top of RAM usable for U-Boot at: %08lx\n", addr); #ifdef CONFIG_LCD +#ifdef CONFIG_FB_ADDR + gd->fb_base = CONFIG_FB_ADDR; +#else /* reserve memory for LCD display (always full pages) */ addr = lcd_setmem (addr); gd->fb_base = addr; +#endif /* CONFIG_FB_ADDR */ #endif /* CONFIG_LCD */ /* diff --git a/arch/powerpc/lib/board.c b/arch/powerpc/lib/board.c index b88cf6b..09c20e9 100644 --- a/arch/powerpc/lib/board.c +++ b/arch/powerpc/lib/board.c @@ -453,9 +453,13 @@ void board_init_f (ulong bootflag) debug ("Top of RAM usable for U-Boot at: %08lx\n", addr); #ifdef CONFIG_LCD +#ifdef CONFIG_FB_ADDR + gd->fb_base = CONFIG_FB_ADDR; +#else /* reserve memory for LCD display (always full pages) */ addr = lcd_setmem (addr); gd->fb_base = addr; +#endif /* CONFIG_FB_ADDR */ #endif /* CONFIG_LCD */ #if defined(CONFIG_VIDEO) && defined(CONFIG_8xx) diff --git a/doc/README.fb_addr b/doc/README.fb_addr new file mode 100644 index 0000000..ea8bca6 --- /dev/null +++ b/doc/README.fb_addr @@ -0,0 +1,17 @@ +Define CONFIG_FB_ADDR if you want to use specific address for frame buffer. +Then system will reserve the frame buffer address to defined address instead of +lcd_setmem (this function grab the memory for frame buffer by panel's size). + +Please see below code (in board_init_f function from arch/arm/lib/board.c) + +#ifdef CONFIG_FB_ADDR + gd->fb_base = CONFIG_FB_ADDR; +#else + /* reserve memory for LCD display (always full pages) */ + addr = lcd_setmem (addr); + gd->fb_base = addr; +#endif /* CONFIG_FB_ADDR */ + +If you want this config option then please define it at your board config file + +#define CONFIG_FB_ADDR 0x00000000
f FB address is defined specific address then don't grab memory for LCD Signed-off-by: Minkyu Kang <mk7.kang@samsung.com> Cc: Albert Aribaud <albert.aribaud@free.fr> Cc: Wolfgang Denk <wd@denx.de> Cc: Stefan Roese <sr@denx.de> Cc: Kim Phillips <kim.phillips@freescale.com> Cc: Andy Fleming <afleming@gmail.com> Cc: Kumar Gala <kumar.gala@freescale.com> --- v2 add document arch/arm/lib/board.c | 4 ++++ arch/m68k/lib/board.c | 4 ++++ arch/powerpc/lib/board.c | 4 ++++ doc/README.fb_addr | 17 +++++++++++++++++ 4 files changed, 29 insertions(+), 0 deletions(-) create mode 100644 doc/README.fb_addr