1 enum { 2 /* memory controller CS assignment on PowerPAQ */ 3 BOOTCS = 0, 4 DRAM1 = 1, /* UPMB */ 5 DRAM2 = 2, /* UPMB */ 6 /* CS3 also connected to DRAM */ 7 /* CS4 128mbyte 8-bit gpcm, trlx, 15 wait; it's DAC */ 8 /* CS5 is external*/ 9 }; 10 11 enum { 12 /* I2C addresses */ 13 PanelI2C = 0x21<<1, 14 /* the control bits are active low enables, or high disables */ 15 DisableVGA = ~0xFD, /* disable VGA signals */ 16 DisableTFT = ~0xFB, /* disable TFT panel signals */ 17 DisableSPIBus = ~0xF7, /* disable SPI/I2C to panel */ 18 DisablePanelVCC5 = ~0xEF, /* disable +5V to panel(s) */ 19 DisablePanelVCC3 = ~0xDF, /* disable +3.3V to panel(s) */ 20 DisableMonoPanel = ~0xBF, /* disable mono panel signals */ 21 DisableSPISelect = ~0x7F, /* disable SPI chip select to LVDS panel */ 22 ContrastI2C = 0x2E<<1, 23 LEDRegI2C = 0x20<<1, 24 DisableGreenLED = ~0xFE, 25 DisableYellowLED = ~0xFD, 26 DisableRedLED = ~0xFB, 27 28 EnableLCD = IBIT(23), /* LCD enable bit in i/o port B */ 29 }; 30