diff options
Diffstat (limited to 'board/goldelico/gta04/jbt6k74.c')
| -rw-r--r-- | board/goldelico/gta04/jbt6k74.c | 51 |
1 files changed, 50 insertions, 1 deletions
diff --git a/board/goldelico/gta04/jbt6k74.c b/board/goldelico/gta04/jbt6k74.c index 8c5aaea..8df6184 100644 --- a/board/goldelico/gta04/jbt6k74.c +++ b/board/goldelico/gta04/jbt6k74.c @@ -37,6 +37,55 @@ #include "dssfb.h" #include "jbt6k74.h" +// FIXME: we have somehow mixed up the file names... + +// configure beagle board DSS for the TD28TTEC1 + +#define DVI_BACKGROUND_COLOR 0x00fadc29 // rgb(250, 220, 41) + +#define DSS1_FCLK 432000000 // see figure 15-65 +#define PIXEL_CLOCK 22000000 // approx. 22 MHz (will be divided from 432 MHz) + +// all values are min ratings + +#define VDISP 640 // vertical active area +#define VFP 4 // vertical front porch +#define VS 2 // VSYNC pulse width (negative going) +#define VBP 2 // vertical back porch +#define VDS (VS+VBP) // vertical data start +#define VBL (VS+VBP+VFP) // vertical blanking period +#define VP (VDISP+VBL) // vertical cycle + +#define HDISP 480 // horizontal active area +#define HFP 24 // horizontal front porch +#define HS 8 // HSYNC pulse width (negative going) +#define HBP 8 // horizontal back porch +#define HDS (HS+HBP) // horizontal data start +#define HBL (HS+HBP+HFP) // horizontal blanking period +#define HP (HDISP+HBL) // horizontal cycle + +#if 0 +#define DEBUGP(x, args...) printf("%s: " x, __FUNCTION__, ## args); +#define DEBUGPC(x, args...) printf(x, ## args); +#else +#define DEBUGP(x, args...) do { } while (0) +#define DEBUGPC(x, args...) do { } while (0) +#endif + +static const struct panel_config lcm_cfg = +{ + .timing_h = ((HBP-1)<<20) | ((HFP-1)<<8) | ((HS-1)<<0), /* Horizantal timing */ + .timing_v = ((VBP+0)<<20) | ((VFP+0)<<8) | ((VS-1)<<0), /* Vertical timing */ + .pol_freq = (1<<17)|(0<<16)|(0<<15)|(1<<14)|(1<<13)|(1<<12)|0x28, /* Pol Freq */ + .divisor = (0x0001<<16)|(DSS1_FCLK/PIXEL_CLOCK), /* Pixel Clock divisor from dss1_fclk */ + .lcd_size = ((HDISP-1)<<0) | ((VDISP-1)<<16), /* as defined by LCM */ + .panel_type = 0x01, /* TFT */ + .data_lines = 0x03, /* 24 Bit RGB */ + .load_mode = 0x02, /* Frame Mode */ + .panel_color = DVI_BACKGROUND_COLOR +}; + + #if 1 #define DEBUGP(x, args...) printf("%s: " x, __FUNCTION__, ## args); #define DEBUGPC(x, args...) printf(x, ## args); @@ -329,7 +378,7 @@ int board_video_init(GraphicDevice *pGD) printf("No LCM connected\n"); return 1; } - dssfb_init(); + dssfb_init(&lcm_cfg); printf("did board_video_init()\n"); return 0; |