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| author | Stelian Pop <stelian@popies.net> | 2008-05-09 21:57:18 +0200 |
|---|---|---|
| committer | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2008-05-10 11:44:55 +0200 |
| commit | 39cf480484fcce5c04a590ee1c30be0c17b02c34 (patch) | |
| tree | 54b08d094a8e1ecae391eb07cf477b9ed5b1a0a2 /lib_arm/board.c | |
| parent | 2118ebb44dc40f8117c94950fd95799a9ef821b2 (diff) | |
| download | u-boot-39cf480484fcce5c04a590ee1c30be0c17b02c34.tar.gz u-boot-39cf480484fcce5c04a590ee1c30be0c17b02c34.tar.xz u-boot-39cf480484fcce5c04a590ee1c30be0c17b02c34.zip | |
Add ATMEL LCD driver
This patch adds support for the ATMEL LCDC driver which is used on some
AT91 and AVR platforms.
Is has been tested with the AT91CAP9ADK, AT91SAM9261EK, AT91SAM9263EK and
AT91SAM9RLEK boards. Adaptation for AVR32 should probably be easy.
Signed-off-by: Stelian Pop <stelian@popies.net>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Diffstat (limited to 'lib_arm/board.c')
| -rw-r--r-- | lib_arm/board.c | 39 |
1 files changed, 28 insertions, 11 deletions
diff --git a/lib_arm/board.c b/lib_arm/board.c index 67506b35e1..b2e6910c49 100644 --- a/lib_arm/board.c +++ b/lib_arm/board.c @@ -121,6 +121,20 @@ void *sbrk (ptrdiff_t increment) return ((void *) old); } +char *strmhz(char *buf, long hz) +{ + long l, n; + long m; + + n = hz / 1000000L; + l = sprintf (buf, "%ld", n); + m = (hz % 1000000L) / 1000L; + if (m != 0) + sprintf (buf + l, ".%03ld", m); + return (buf); +} + + /************************************************************************ * Coloured LED functionality ************************************************************************ @@ -279,7 +293,7 @@ void start_armboot (void) { init_fnc_t **init_fnc_ptr; char *s; -#ifndef CFG_NO_FLASH +#if !defined(CFG_NO_FLASH) || defined (CONFIG_VFD) || defined(CONFIG_LCD) ulong size; #endif #if defined(CONFIG_VFD) || defined(CONFIG_LCD) @@ -323,16 +337,19 @@ void start_armboot (void) #endif /* CONFIG_VFD */ #ifdef CONFIG_LCD -# ifndef PAGE_SIZE -# define PAGE_SIZE 4096 -# endif - /* - * reserve memory for LCD display (always full pages) - */ - /* bss_end is defined in the board-specific linker script */ - addr = (_bss_end + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); - size = lcd_setmem (addr); - gd->fb_base = addr; + /* board init may have inited fb_base */ + if (!gd->fb_base) { +# ifndef PAGE_SIZE +# define PAGE_SIZE 4096 +# endif + /* + * reserve memory for LCD display (always full pages) + */ + /* bss_end is defined in the board-specific linker script */ + addr = (_bss_end + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); + size = lcd_setmem (addr); + gd->fb_base = addr; + } #endif /* CONFIG_LCD */ /* armboot_start is defined in the board-specific linker script */ |