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Diffstat (limited to 'arch/mips/ite-boards/generic/lpc.c')
| -rw-r--r-- | arch/mips/ite-boards/generic/lpc.c | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/arch/mips/ite-boards/generic/lpc.c b/arch/mips/ite-boards/generic/lpc.c deleted file mode 100644 index cc7584fbef8a..000000000000 --- a/arch/mips/ite-boards/generic/lpc.c +++ /dev/null @@ -1,144 +0,0 @@ -/* - * - * BRIEF MODULE DESCRIPTION - * ITE Semi IT8712 Super I/O functions. - * - * Copyright 2001 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <asm/io.h> -#include <asm/types.h> -#include <asm/it8712.h> -#include <asm/it8172/it8172.h> - -#ifndef TRUE -#define TRUE 1 -#endif - -#ifndef FALSE -#define FALSE 0 -#endif - -void LPCEnterMBPnP(void) -{ - int i; - unsigned char key[4] = {0x87, 0x01, 0x55, 0x55}; - - for (i = 0; i<4; i++) - outb(key[i], LPC_KEY_ADDR); - -} - -void LPCExitMBPnP(void) -{ - outb(0x02, LPC_KEY_ADDR); - outb(0x02, LPC_DATA_ADDR); -} - -void LPCSetConfig(char LdnNumber, char Index, char data) -{ - LPCEnterMBPnP(); // Enter IT8712 MB PnP mode - outb(0x07, LPC_KEY_ADDR); - outb(LdnNumber, LPC_DATA_ADDR); - outb(Index, LPC_KEY_ADDR); - outb(data, LPC_DATA_ADDR); - LPCExitMBPnP(); -} - -char LPCGetConfig(char LdnNumber, char Index) -{ - char rtn; - - LPCEnterMBPnP(); // Enter IT8712 MB PnP mode - outb(0x07, LPC_KEY_ADDR); - outb(LdnNumber, LPC_DATA_ADDR); - outb(Index, LPC_KEY_ADDR); - rtn = inb(LPC_DATA_ADDR); - LPCExitMBPnP(); - return rtn; -} - -int SearchIT8712(void) -{ - unsigned char Id1, Id2; - unsigned short Id; - - LPCEnterMBPnP(); - outb(0x20, LPC_KEY_ADDR); /* chip id byte 1 */ - Id1 = inb(LPC_DATA_ADDR); - outb(0x21, LPC_KEY_ADDR); /* chip id byte 2 */ - Id2 = inb(LPC_DATA_ADDR); - Id = (Id1 << 8) | Id2; - LPCExitMBPnP(); - if (Id == 0x8712) - return TRUE; - else - return FALSE; -} - -void InitLPCInterface(void) -{ - unsigned char bus, dev_fn; - unsigned long data; - - bus = 0; - dev_fn = 1<<3 | 4; - - - /* pci cmd, SERR# Enable */ - IT_WRITE(IT_CONFADDR, - (bus << IT_BUSNUM_SHF) | - (dev_fn << IT_FUNCNUM_SHF) | - ((0x4 / 4) << IT_REGNUM_SHF)); - IT_READ(IT_CONFDATA, data); - data |= 0x0100; - IT_WRITE(IT_CONFADDR, - (bus << IT_BUSNUM_SHF) | - (dev_fn << IT_FUNCNUM_SHF) | - ((0x4 / 4) << IT_REGNUM_SHF)); - IT_WRITE(IT_CONFDATA, data); - - /* setup serial irq control register */ - IT_WRITE(IT_CONFADDR, - (bus << IT_BUSNUM_SHF) | - (dev_fn << IT_FUNCNUM_SHF) | - ((0x48 / 4) << IT_REGNUM_SHF)); - IT_READ(IT_CONFDATA, data); - data = (data & 0xffff00ff) | 0xc400; - IT_WRITE(IT_CONFADDR, - (bus << IT_BUSNUM_SHF) | - (dev_fn << IT_FUNCNUM_SHF) | - ((0x48 / 4) << IT_REGNUM_SHF)); - IT_WRITE(IT_CONFDATA, data); - - - /* Enable I/O Space Subtractive Decode */ - /* default 0x4C is 0x3f220000 */ - IT_WRITE(IT_CONFADDR, - (bus << IT_BUSNUM_SHF) | - (dev_fn << IT_FUNCNUM_SHF) | - ((0x4C / 4) << IT_REGNUM_SHF)); - IT_WRITE(IT_CONFDATA, 0x3f2200f3); -} |