| /* |
| * LED, LCD and Button panel driver for Cobalt |
| * |
| * This file is subject to the terms and conditions of the GNU General Public |
| * License. See the file "COPYING" in the main directory of this archive |
| * for more details. |
| * |
| * Copyright (C) 1996, 1997 by Andrew Bose |
| * |
| * Linux kernel version history: |
| * March 2001: Ported from 2.0.34 by Liam Davies |
| * |
| */ |
| |
| // function headers |
| |
| static int dqpoll(volatile unsigned long, volatile unsigned char ); |
| static int timeout(volatile unsigned long); |
| |
| #define LCD_CHARS_PER_LINE 40 |
| #define FLASH_SIZE 524288 |
| #define MAX_IDLE_TIME 120 |
| |
| struct lcd_display { |
| unsigned buttons; |
| int size1; |
| int size2; |
| unsigned char line1[LCD_CHARS_PER_LINE]; |
| unsigned char line2[LCD_CHARS_PER_LINE]; |
| unsigned char cursor_address; |
| unsigned char character; |
| unsigned char leds; |
| unsigned char *RomImage; |
| }; |
| |
| |
| |
| #define LCD_DRIVER "Cobalt LCD Driver v2.10" |
| |
| #define LCD "lcd: " |
| |
| #define kLCD_IR 0x0F000000 |
| #define kLCD_DR 0x0F000010 |
| #define kGPI 0x0D000000 |
| #define kLED 0x0C000000 |
| |
| #define kDD_R00 0x00 |
| #define kDD_R01 0x27 |
| #define kDD_R10 0x40 |
| #define kDD_R11 0x67 |
| |
| #define kLCD_Addr 0x00000080 |
| |
| #define LCDTimeoutValue 0xfff |
| |
| |
| // Flash definitions AMD 29F040 |
| #define kFlashBase 0x0FC00000 |
| |
| #define kFlash_Addr1 0x5555 |
| #define kFlash_Addr2 0x2AAA |
| #define kFlash_Data1 0xAA |
| #define kFlash_Data2 0x55 |
| #define kFlash_Prog 0xA0 |
| #define kFlash_Erase3 0x80 |
| #define kFlash_Erase6 0x10 |
| #define kFlash_Read 0xF0 |
| |
| #define kFlash_ID 0x90 |
| #define kFlash_VenAddr 0x00 |
| #define kFlash_DevAddr 0x01 |
| #define kFlash_VenID 0x01 |
| #define kFlash_DevID 0xA4 // 29F040 |
| //#define kFlash_DevID 0xAD // 29F016 |
| |
| |
| // Macros |
| |
| #define LCDWriteData(x) outl((x << 24), kLCD_DR) |
| #define LCDWriteInst(x) outl((x << 24), kLCD_IR) |
| |
| #define LCDReadData (inl(kLCD_DR) >> 24) |
| #define LCDReadInst (inl(kLCD_IR) >> 24) |
| |
| #define GPIRead (inl(kGPI) >> 24) |
| |
| #define LEDSet(x) outb((char)x, kLED) |
| |
| #define WRITE_GAL(x,y) outl(y, 0x04000000 | (x)) |
| #define BusyCheck() while ((LCDReadInst & 0x80) == 0x80) |
| |
| #define WRITE_FLASH(x,y) outb((char)y, kFlashBase | (x)) |
| #define READ_FLASH(x) (inb(kFlashBase | (x))) |
| |
| |
| |
| /* |
| * Function command codes for io_ctl. |
| */ |
| #define LCD_On 1 |
| #define LCD_Off 2 |
| #define LCD_Clear 3 |
| #define LCD_Reset 4 |
| #define LCD_Cursor_Left 5 |
| #define LCD_Cursor_Right 6 |
| #define LCD_Disp_Left 7 |
| #define LCD_Disp_Right 8 |
| #define LCD_Get_Cursor 9 |
| #define LCD_Set_Cursor 10 |
| #define LCD_Home 11 |
| #define LCD_Read 12 |
| #define LCD_Write 13 |
| #define LCD_Cursor_Off 14 |
| #define LCD_Cursor_On 15 |
| #define LCD_Get_Cursor_Pos 16 |
| #define LCD_Set_Cursor_Pos 17 |
| #define LCD_Blink_Off 18 |
| |
| #define LED_Set 40 |
| #define LED_Bit_Set 41 |
| #define LED_Bit_Clear 42 |
| |
| |
| // Button defs |
| #define BUTTON_Read 50 |
| |
| // Flash command codes |
| #define FLASH_Erase 60 |
| #define FLASH_Burn 61 |
| #define FLASH_Read 62 |
| |
| |
| // Ethernet LINK check hackaroo |
| #define LINK_Check 90 |
| #define LINK_Check_2 91 |
| |
| // Button patterns _B - single layer lcd boards |
| |
| #define BUTTON_NONE 0x3F |
| #define BUTTON_NONE_B 0xFE |
| |
| #define BUTTON_Left 0x3B |
| #define BUTTON_Left_B 0xFA |
| |
| #define BUTTON_Right 0x37 |
| #define BUTTON_Right_B 0xDE |
| |
| #define BUTTON_Up 0x2F |
| #define BUTTON_Up_B 0xF6 |
| |
| #define BUTTON_Down 0x1F |
| #define BUTTON_Down_B 0xEE |
| |
| #define BUTTON_Next 0x3D |
| #define BUTTON_Next_B 0x7E |
| |
| #define BUTTON_Enter 0x3E |
| #define BUTTON_Enter_B 0xBE |
| |
| #define BUTTON_Reset_B 0xFC |
| |
| |
| // debounce constants |
| |
| #define BUTTON_SENSE 160000 |
| #define BUTTON_DEBOUNCE 5000 |
| |
| |
| // Galileo register stuff |
| |
| #define kGal_DevBank2Cfg 0x1466DB33 |
| #define kGal_DevBank2PReg 0x464 |
| #define kGal_DevBank3Cfg 0x146FDFFB |
| #define kGal_DevBank3PReg 0x468 |
| |
| // Network |
| |
| #define kIPADDR 1 |
| #define kNETMASK 2 |
| #define kGATEWAY 3 |
| #define kDNS 4 |
| |
| #define kClassA 5 |
| #define kClassB 6 |
| #define kClassC 7 |
| |