diff options
| author | Anatolij Gustschin <agust@denx.de> | 2007-07-26 15:08:01 +0200 |
|---|---|---|
| committer | Stefan Roese <sr@denx.de> | 2007-07-26 15:08:01 +0200 |
| commit | b66091de6c7390620312c2501db23d8391e7cabb (patch) | |
| tree | 30b069603610b4894d8bcdfb05c7c9a165a96e2d /include/configs/lwmon5.h | |
| parent | 9f24a808f17fc0f37b7fb4805f734741335caecc (diff) | |
ppc4xx: lwmon5: Update Lime initialization
Change Lime SDRAM initialization to now support 100MHz and
133MHz (if enabled). Also the framebuffer is initialized to
display a blue rectangle with a white border.
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'include/configs/lwmon5.h')
| -rw-r--r-- | include/configs/lwmon5.h | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/include/configs/lwmon5.h b/include/configs/lwmon5.h index 55e2c94d6d..b09b47830a 100644 --- a/include/configs/lwmon5.h +++ b/include/configs/lwmon5.h @@ -341,14 +341,24 @@ * Graphics (Fujitsu Lime) *----------------------------------------------------------------------*/ /* SDRAM Clock frequency adjustment register */ -#define CFG_LIME_SDRAM_CLOCK 0xC1FC0000 -/* Lime Clock frequency is to set 133MHz */ +#define CFG_LIME_SDRAM_CLOCK 0xC1FC0038 +/* Lime Clock frequency is to set 100MHz */ +#define CFG_LIME_CLOCK_100MHZ 0x00000 +#if 0 +/* Lime Clock frequency for 133MHz */ #define CFG_LIME_CLOCK_133MHZ 0x10000 +#endif /* SDRAM Parameter register */ #define CFG_LIME_MMR 0xC1FCFFFC -/* SDRAM parameter value */ +/* SDRAM parameter value; was 0x414FB7F2, caused several vertical bars + and pixel flare on display when 133MHz was configured. According to + SDRAM chip datasheet CAS Latency is 3 for 133MHz and -75 Speed Grade */ +#ifdef CFG_LIME_CLOCK_133MHZ +#define CFG_LIME_MMR_VALUE 0x414FB7F3 +#else #define CFG_LIME_MMR_VALUE 0x414FB7F2 +#endif /*----------------------------------------------------------------------- * GPIO Setup |