Remove VIA VX800 northbridge support

Change-Id: Id6026e9d7ff064d54b0dd93e80dabdcc4efd2b8e
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/26679
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>

1 files changed, 0 insertions, 472 deletions

diff --git a/src/northbridge/via/vx800/timing_setting.c b/src/northbridge/via/vx800/timing_setting.c
deleted file mode 100644
index 6dbe570b3ef4..000000000000
--- a/src/northbridge/via/vx800/timing_setting.c
+++ /dev/null
@@ -1,472 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2009 One Laptop per Child, Association, Inc.
- *
- * 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; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
- /*
-    Set Dram Timing functions
-  */
-
-void SetCL(DRAM_SYS_ATTR * DramAttr);
-
-void SetTrp(DRAM_SYS_ATTR * DramAttr);
-
-void SetTrcd(DRAM_SYS_ATTR * DramAttr);
-
-void SetTras(DRAM_SYS_ATTR * DramAttr);
-
-void SetTrfc(DRAM_SYS_ATTR * DramAttr);
-
-void SetTrrd(DRAM_SYS_ATTR * DramAttr);
-
-void SetTwr(DRAM_SYS_ATTR * DramAttr);
-
-void SetTwtr(DRAM_SYS_ATTR * DramAttr);
-
-void SetTrtp(DRAM_SYS_ATTR * DramAttr);
-
-/* Set DRAM	Timing*/
-void DRAMTimingSetting(DRAM_SYS_ATTR * DramAttr)
-{
-	PRINT_DEBUG_MEM("Set CAS latency value!");
-	SetCL(DramAttr);
-
-	PRINT_DEBUG_MEM("Set tRP value!");
-	SetTrp(DramAttr);
-
-	PRINT_DEBUG_MEM("Set tRCD value!");
-	SetTrcd(DramAttr);
-
-	PRINT_DEBUG_MEM("Set tRAS value!");
-	SetTras(DramAttr);
-
-	PRINT_DEBUG_MEM("Set tRFC value!");
-	SetTrfc(DramAttr);
-
-	PRINT_DEBUG_MEM("Set tRRD value!");
-	SetTrrd(DramAttr);
-
-	PRINT_DEBUG_MEM("Set tWR value!");
-	SetTwr(DramAttr);
-
-	PRINT_DEBUG_MEM("Set tWTR value!");
-	SetTwtr(DramAttr);
-
-	PRINT_DEBUG_MEM("Set tRTP value!");
-	SetTrtp(DramAttr);
-}
-
-/*
-Set DRAM Timing: CAS Latency for DDR1
-D0F3RX62 bit[0:2] for CAS Latency;
-*/
-void SetCL(DRAM_SYS_ATTR * DramAttr)
-{
-	u8 Data;
-	u8 CL;
-
-	/*DDR2 CL Value: 20, 30, 40, 50 -> 2, 3, 4, 5 */
-	CL = (u8) ((DramAttr->CL - 20) / 10);	//000,001,010,011
-
-	PRINT_DEBUG_MEM("CAS = ");
-	PRINT_DEBUG_MEM_HEX8(CL);
-	PRINT_DEBUG_MEM("\n");
-	Data = pci_read_config8(MEMCTRL, 0x62);
-	Data = (u8) ((Data & 0xf8) | CL);
-	pci_write_config8(MEMCTRL, 0x62, Data);
-}
-
-/*
- Minimum row precharge time, Trp for DDR1/DDR2
- D0F3Rx64[3:2] for Trp 2T~5T
-*/
-#define MAX_TRP 6
-#define MIN_TRP 2
-
-void SetTrp(DRAM_SYS_ATTR * DramAttr)
-{
-	u8 Data;
-	u16 Max, Tmp;
-	u8 Socket;
-
-	/*get the max Trp value from SPD data
-	   SPD Byte27, Bit7:2->1ns~63ns, Bit1:0->0ns, 0.25ns, 0.50ns, 0.75ns */
-	Max = 0;
-	for (Socket = 0; Socket < MAX_SOCKETS; Socket++) {
-		if (DramAttr->DimmInfo[Socket].bPresence) {
-			Tmp =
-			    (u16) (DramAttr->
-				   DimmInfo[Socket].SPDDataBuf[SPD_SDRAM_TRP]);
-			if (Tmp > Max)
-				Max = Tmp;
-		}
-		/*Calculate clock,this value should be 2T,3T,4T,5T */
-	}
-	Tmp =
-	    (u16) CEIL_DIV(Max * 100, (DramAttr->DramCyc) << 2);
-	PRINT_DEBUG_MEM("Trp = ");
-	PRINT_DEBUG_MEM_HEX16(Tmp);
-	PRINT_DEBUG_MEM("\r");
-
-	if (Tmp > MAX_TRP)
-		Tmp = MAX_TRP;
-	else if (Tmp < MIN_TRP)
-		Tmp = MIN_TRP;
-
-	Tmp -= 2;		//00->2T, 01->3T, 10->4T, 11->5T
-	Tmp <<= 1;		//bit1,2,3
-
-	Data = pci_read_config8(MEMCTRL, 0x64);
-	Data = (u8) ((Data & 0xf1) | (u8) Tmp);
-	pci_write_config8(MEMCTRL, 0x64, Data);
-
-	//enable DDR2 8-Bank Device Timing Constraint
-	Data = pci_read_config8(MEMCTRL, 0x62);
-	Data = (u8) ((Data & 0xf7) | 0x08);
-	pci_write_config8(MEMCTRL, 0x62, Data);
-}
-
-/*
-Minimum RAS to CAS dely,Trcd for DDR1/DDR2
-D0F3Rx64[7:6] for Trcd
-*/
-#define MAX_TRCD 6
-#define MIN_TRCD 2
-
-void SetTrcd(DRAM_SYS_ATTR * DramAttr)
-{
-	u8 Data;
-	u16 Max, Tmp;
-	u8 Socket;
-
-	/*get the max Trcd value from SPD data
-	   SPD Byte29, Bit7:2->1ns~63ns, Bit1:0->0ns, 0.25ns, 0.50ns, 0.75ns */
-	Max = 0;
-	for (Socket = 0; Socket < MAX_SOCKETS; Socket++) {
-		if (DramAttr->DimmInfo[Socket].bPresence) {
-			Tmp =
-			    (u16) (DramAttr->
-				   DimmInfo[Socket].SPDDataBuf[SPD_SDRAM_TRCD]);
-			if (Tmp > Max)
-				Max = Tmp;
-		}
-	}
-	/*Calculate clock,this value should be 2T,3T,4T,5T */
-	Tmp =
-	    (u16) CEIL_DIV(Max * 100, (DramAttr->DramCyc) << 2);
-	PRINT_DEBUG_MEM("Trcd =");
-	PRINT_DEBUG_MEM_HEX16(Tmp);
-	PRINT_DEBUG_MEM("\r");
-
-	if (Tmp > MAX_TRCD)
-		Tmp = MAX_TRCD;
-	else if (Tmp < MIN_TRCD)
-		Tmp = MIN_TRCD;
-	Tmp -= 2;		//00->2T, 01->3T, 10->4T, 11->5T
-	Tmp <<= 5;		//bit5,6,7
-
-	Data = pci_read_config8(MEMCTRL, 0x64);
-	Data = (u8) ((Data & 0x1f) | (u8) Tmp);
-	pci_write_config8(MEMCTRL, 0x64, Data);
-
-}
-
-/*
- minimum active to precharge time,Tras for DDR1/DDR2
- D0F3Rx62[7:4] Tras
-*/
-#define MAX_TRAS 20		//20T
-#define MIN_TRAS 5		//5T
-void SetTras(DRAM_SYS_ATTR * DramAttr)
-{
-	u8 Data;
-	u16 Max, Tmp;
-	u8 Socket;
-
-	/*get the max Tras value from SPD data
-	   SPD byte30: bit0:7 1ns~255ns */
-	Max = 0;
-	for (Socket = 0; Socket < MAX_SOCKETS; Socket++) {
-		if (DramAttr->DimmInfo[Socket].bPresence) {
-			Tmp =
-			    (u16) (DramAttr->
-				   DimmInfo[Socket].SPDDataBuf[SPD_SDRAM_TRAS]);
-			if (Tmp > Max)
-				Max = Tmp;
-		}
-	}
-
-	/*Calculate clock,value range 5T-20T */
-	Tmp = (u16) CEIL_DIV((Max * 100), DramAttr->DramCyc);
-	PRINT_DEBUG_MEM("Tras =");
-	PRINT_DEBUG_MEM_HEX16(Tmp);
-	PRINT_DEBUG_MEM("\r");
-
-	if (Tmp > MAX_TRAS)
-		Tmp = MAX_TRAS;
-	else if (Tmp < MIN_TRAS)
-		Tmp = MIN_TRAS;
-	Tmp -= 5;		//0->5T  ... 1111->20T
-	Tmp <<= 4;		//bit4:7
-
-	Data = pci_read_config8(MEMCTRL, 0x62);
-	Data = (u8) ((Data & 0x0f) | (u8) Tmp);
-	pci_write_config8(MEMCTRL, 0x62, Data);
-}
-
-/*
-Minimum refresh to activate/refresh command period Trfc for DDR1/DDR2
-D0F3Rx61[5:0] for Trfc
-*/
-
-#define MAX_TRFC 71		// Max supported,71T
-#define MIN_TRFC 8		// Min supported,8T
-
-void SetTrfc(DRAM_SYS_ATTR * DramAttr)
-{
-
-	u8 Data;
-	u32 Max, Tmp;
-	u8 Byte40;
-	u8 Socket;
-
-	/*get the max Trfc value from SPD data */
-	Max = 0;
-	for (Socket = 0; Socket < MAX_SOCKETS; Socket++) {
-		if (DramAttr->DimmInfo[Socket].bPresence) {
-			Tmp =
-			    (u32) (DramAttr->
-				   DimmInfo[Socket].SPDDataBuf[SPD_SDRAM_TRFC])
-			    * 100;
-			/*only DDR2 need to add byte 40 bit[7:4] */
-			Byte40 =
-			    (DramAttr->
-			     DimmInfo[Socket].SPDDataBuf[SPD_SDRAM_TRFC2]);
-			/*if bit0 = 1, byte42(RFC)+256ns, SPD spec JEDEC standard No.21.c */
-			if (Byte40 & 0x01)
-				Tmp += (256 * 100);
-			/*bit1,2,3 000->0ns+byte42; 001->0.25ns+byte42; 010->0.33ns+byte42; 011->0.5ns+byte42;100-> 0.75ns+byte42 */
-			switch ((Byte40 >> 1) & 0x07) {	/*bit1,2,3 */
-			case 1:
-				Tmp += 25;
-				break;
-			case 2:
-				Tmp += 33;
-				break;
-			case 3:
-				Tmp += 50;
-				break;
-			case 4:
-				Tmp += 66;
-				break;
-			case 5:
-				Tmp += 75;
-				break;
-			case 6:	//what is FRU???
-			default:
-				break;
-			}
-			if (Tmp > Max)
-				Max = Tmp;
-		}
-	}
-
-	/*Calculate clock,value range 8T-71T */
-	Tmp = (u16) CEIL_DIV(Max, DramAttr->DramCyc);
-	PRINT_DEBUG_MEM("Trfc = ");
-	PRINT_DEBUG_MEM_HEX16(Tmp);
-	PRINT_DEBUG_MEM("\r");
-	if (Tmp > MAX_TRFC)
-		Tmp = MAX_TRFC;
-	else if (Tmp < MIN_TRFC) {
-		// return;
-		Tmp = 0x40;
-	}
-	/*D0F3Rx61 bit[0:5] 0->8T ... 63->71T */
-	Tmp -= 8;
-
-	Data = pci_read_config8(MEMCTRL, 0x61);
-	Data = (u8) ((Data & 0xc0) | ((u8) Tmp & 0x3f));
-	pci_write_config8(MEMCTRL, 0x61, Data);
-}
-
-/*
-Minimum row active to row active delay: Trrd for DDR1/DDR2
-D0F3Rx61[7:6]:Trrd  00->2T, 01->3T, 10->4T, 11->5T
-*/
-#define MAX_TRRD 5
-#define MIN_TRRD 2
-
-void SetTrrd(DRAM_SYS_ATTR * DramAttr)
-{
-	u8 Data;
-	u16 Max, Tmp;
-	u8 Socket;
-
-	/*get the max Trrd value from SPD data
-	   SPD Byte28, Bit7:2->1ns~63ns, Bit1:0->0ns, 0.25ns, 0.50ns, 0.75ns */
-	Max = 0;
-	for (Socket = 0; Socket < MAX_SOCKETS; Socket++) {
-		if (DramAttr->DimmInfo[Socket].bPresence) {
-			Tmp =
-			    (u16) (DramAttr->
-				   DimmInfo[Socket].SPDDataBuf[SPD_SDRAM_TRRD]);
-			if (Tmp > Max)
-				Max = Tmp;
-		}
-	}
-
-	/*Calculate clock,this value should be 2T,3T,4T,5T */
-	Tmp =
-	    (u16) CEIL_DIV(Max * 100, (DramAttr->DramCyc) << 2);
-	PRINT_DEBUG_MEM("Trrd =");
-	PRINT_DEBUG_MEM_HEX16(Tmp);
-	PRINT_DEBUG_MEM("\r");
-
-	if (Tmp > MAX_TRRD)
-		Tmp = MAX_TRRD;
-	else if (Tmp < MIN_TRRD)
-		Tmp = MIN_TRRD;
-	Tmp -= 2;		//00->2T, 01->3T, 10->4T, 11->5T
-	Tmp <<= 6;
-
-	Data = pci_read_config8(MEMCTRL, 0x61);
-	Data = (u8) ((Data & 0x3f) | (u8) Tmp);
-	pci_write_config8(MEMCTRL, 0x61, Data);
-}
-
-/*
-Write recovery time: Twr for DDR1/DDR2
-Device 0 Function 3:REG63[7:5]:Twr 00->2T 01->3T 10->4T 11->5T
-*/
-#define MAX_TWR 6
-#define MIN_TWR 2
-
-void SetTwr(DRAM_SYS_ATTR * DramAttr)
-{
-	u8 Data;
-	u16 Max, Tmp;
-	u8 Socket;
-
-	/*get the max Trtp value from SPD data
-	   SPD Byte36, Bit7:2->1ns~63ns, Bit1:0->0ns, 0.25ns, 0.50ns, 0.75ns */
-	Max = 0;
-	for (Socket = 0; Socket < MAX_SOCKETS; Socket++) {
-		if (DramAttr->DimmInfo[Socket].bPresence) {
-			Tmp =
-			    (u16) (DramAttr->
-				   DimmInfo[Socket].SPDDataBuf[SPD_SDRAM_TWR]);
-			if (Tmp > Max)
-				Max = Tmp;
-		}
-	}
-	/*Calculate clock */
-	Tmp = (u16) CEIL_DIV((Max * 100), ((DramAttr->DramCyc) << 2));	//this value should be 2T,3T,4T,5T
-	PRINT_DEBUG_MEM("Twr = ");
-	PRINT_DEBUG_MEM_HEX16(Tmp);
-	PRINT_DEBUG_MEM("\r");
-
-	if (Tmp > MAX_TWR)
-		Tmp = MAX_TWR;
-	else if (Tmp < MIN_TWR)
-		Tmp = MIN_TWR;
-	Tmp -= 2;		//00->2T, 01->3T, 10->4T, 11->5T
-	Tmp <<= 5;
-
-	Data = pci_read_config8(MEMCTRL, 0x63);
-	Data = (u8) ((Data & 0x1f) | (u8) Tmp);
-	pci_write_config8(MEMCTRL, 0x63, Data);
-}
-
-/*
-Internal write to read command delay: Twtr for DDR1/DDR2
-Device 0 Function 3:REG63[1,0]:Twtr   DDR: 1T or 2T; DDR2 2T or 3T
-*/
-#define MAX_TWTR 5		//5T
-#define MIN_TWTR 2		//2T
-
-void SetTwtr(DRAM_SYS_ATTR * DramAttr)
-{
-	u8 Data;
-	u16 Max, Tmp;
-	u8 Socket;
-
-	/*get the max Trtp value from SPD data
-	   SPD Byte37, Bit7:2->1ns~63ns, Bit1:0->0ns, 0.25ns, 0.50ns, 0.75ns */
-	Max = 0;
-	for (Socket = 0; Socket < MAX_SOCKETS; Socket++) {
-		if (DramAttr->DimmInfo[Socket].bPresence) {
-			Tmp =
-			    (u16) (DramAttr->
-				   DimmInfo[Socket].SPDDataBuf[SPD_SDRAM_TWTR]);
-			if (Tmp > Max)
-				Max = Tmp;
-		}
-	}
-	/*Calculate clock */
-	Tmp = (u16) CEIL_DIV((Max * 100), ((DramAttr->DramCyc) << 2));	//this value should be 2T or 3T
-
-	PRINT_DEBUG_MEM("Twtr =");
-	PRINT_DEBUG_MEM_HEX16(Tmp);
-	PRINT_DEBUG_MEM("\r");
-
-	if (Tmp > MAX_TWR)
-		Tmp = MAX_TWTR;
-	else if (Tmp < MIN_TWR)
-		Tmp = MIN_TWTR;
-	Tmp -= 2;		//00->2T, 01->3T, 10->4T, 11->5T
-	Data = pci_read_config8(MEMCTRL, 0x63);
-	Data = (u8) ((Data & 0xFC) | Tmp);
-	pci_write_config8(MEMCTRL, 0x63, Data);
-}
-
-/*
-Internal read to precharge command delay, Trtp for DDR1/DDR2
-Device 0 Function 3:REG63[3]:Trtp  2T or 3T
-*/
-#define MAX_TRTP 3		//3T
-#define MIN_TRTP 2		//2T
-
-void SetTrtp(DRAM_SYS_ATTR * DramAttr)
-{
-	u8 Data;
-	u16 Max, Tmp;
-	u8 Socket;
-
-	/*get the max Trtp value from SPD data
-	   SPD Byte38, Bit7:2->1ns~63ns, Bit1:0->0ns, 0.25ns, 0.50ns, 0.75ns */
-	Max = 0;
-	for (Socket = 0; Socket < MAX_SOCKETS; Socket++) {
-		if (DramAttr->DimmInfo[Socket].bPresence) {
-			Tmp =
-			    (u16) (DramAttr->
-				   DimmInfo[Socket].SPDDataBuf[SPD_SDRAM_TRTP]);
-			if (Tmp > Max)
-				Max = Tmp;
-		}
-	}
-	/*Calculate clock */
-	Tmp = (u16) CEIL_DIV((Max * 100), ((DramAttr->DramCyc) << 2));	//this value should be 2T or 3T
-
-	PRINT_DEBUG_MEM("Trtp =");
-	PRINT_DEBUG_MEM_HEX16(Tmp);
-	PRINT_DEBUG_MEM("\r");
-
-	Data = pci_read_config8(MEMCTRL, 0x63);
-	if (Tmp > MIN_TRTP)
-		Data = (u8) (Data | 0x08);	/*set bit3, set 3T */
-	else
-		Data = (u8) (Data & 0xf7);	/*clear bit3, set 2T */
-
-	pci_write_config8(MEMCTRL, 0x63, Data);
-}