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-rw-r--r--board/Marvell/db64360/pci.c923
1 files changed, 0 insertions, 923 deletions
diff --git a/board/Marvell/db64360/pci.c b/board/Marvell/db64360/pci.c
deleted file mode 100644
index 8c25198..0000000
--- a/board/Marvell/db64360/pci.c
+++ /dev/null
@@ -1,923 +0,0 @@
-/*
- * (C) Copyright 2000
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-/* PCI.c - PCI functions */
-
-
-#include <common.h>
-#include <pci.h>
-
-#include "../include/pci.h"
-
-#undef DEBUG
-#undef IDE_SET_NATIVE_MODE
-static unsigned int local_buses[] = { 0, 0 };
-
-static const unsigned char pci_irq_swizzle[2][PCI_MAX_DEVICES] = {
- {0, 0, 0, 0, 0, 0, 0, 27, 27, [9 ... PCI_MAX_DEVICES - 1] = 0 },
- {0, 0, 0, 0, 0, 0, 0, 29, 29, [9 ... PCI_MAX_DEVICES - 1] = 0 },
-};
-
-
-#ifdef DEBUG
-static const unsigned int pci_bus_list[] = { PCI_0_MODE, PCI_1_MODE };
-static void gt_pci_bus_mode_display (PCI_HOST host)
-{
- unsigned int mode;
-
-
- mode = (GTREGREAD (pci_bus_list[host]) & (BIT4 | BIT5)) >> 4;
- switch (mode) {
- case 0:
- printf ("PCI %d bus mode: Conventional PCI\n", host);
- break;
- case 1:
- printf ("PCI %d bus mode: 66 MHz PCIX\n", host);
- break;
- case 2:
- printf ("PCI %d bus mode: 100 MHz PCIX\n", host);
- break;
- case 3:
- printf ("PCI %d bus mode: 133 MHz PCIX\n", host);
- break;
- default:
- printf ("Unknown BUS %d\n", mode);
- }
-}
-#endif
-
-static const unsigned int pci_p2p_configuration_reg[] = {
- PCI_0P2P_CONFIGURATION, PCI_1P2P_CONFIGURATION
-};
-
-static const unsigned int pci_configuration_address[] = {
- PCI_0CONFIGURATION_ADDRESS, PCI_1CONFIGURATION_ADDRESS
-};
-
-static const unsigned int pci_configuration_data[] = {
- PCI_0CONFIGURATION_DATA_VIRTUAL_REGISTER,
- PCI_1CONFIGURATION_DATA_VIRTUAL_REGISTER
-};
-
-static const unsigned int pci_error_cause_reg[] = {
- PCI_0ERROR_CAUSE, PCI_1ERROR_CAUSE
-};
-
-static const unsigned int pci_arbiter_control[] = {
- PCI_0ARBITER_CONTROL, PCI_1ARBITER_CONTROL
-};
-
-static const unsigned int pci_address_space_en[] = {
- PCI_0_BASE_ADDR_REG_ENABLE, PCI_1_BASE_ADDR_REG_ENABLE
-};
-
-static const unsigned int pci_snoop_control_base_0_low[] = {
- PCI_0SNOOP_CONTROL_BASE_0_LOW, PCI_1SNOOP_CONTROL_BASE_0_LOW
-};
-static const unsigned int pci_snoop_control_top_0[] = {
- PCI_0SNOOP_CONTROL_TOP_0, PCI_1SNOOP_CONTROL_TOP_0
-};
-
-static const unsigned int pci_access_control_base_0_low[] = {
- PCI_0ACCESS_CONTROL_BASE_0_LOW, PCI_1ACCESS_CONTROL_BASE_0_LOW
-};
-static const unsigned int pci_access_control_top_0[] = {
- PCI_0ACCESS_CONTROL_TOP_0, PCI_1ACCESS_CONTROL_TOP_0
-};
-
-static const unsigned int pci_scs_bank_size[2][4] = {
- {PCI_0SCS_0_BANK_SIZE, PCI_0SCS_1_BANK_SIZE,
- PCI_0SCS_2_BANK_SIZE, PCI_0SCS_3_BANK_SIZE},
- {PCI_1SCS_0_BANK_SIZE, PCI_1SCS_1_BANK_SIZE,
- PCI_1SCS_2_BANK_SIZE, PCI_1SCS_3_BANK_SIZE}
-};
-
-static const unsigned int pci_p2p_configuration[] = {
- PCI_0P2P_CONFIGURATION, PCI_1P2P_CONFIGURATION
-};
-
-
-/********************************************************************
-* pciWriteConfigReg - Write to a PCI configuration register
-* - Make sure the GT is configured as a master before writing
-* to another device on the PCI.
-* - The function takes care of Big/Little endian conversion.
-*
-*
-* Inputs: unsigned int regOffset: The register offset as it apears in the GT spec
-* (or any other PCI device spec)
-* pciDevNum: The device number needs to be addressed.
-*
-* Configuration Address 0xCF8:
-*
-* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number
-* |congif|Reserved| Bus |Device|Function|Register|00|
-* |Enable| |Number|Number| Number | Number | | <=field Name
-*
-*********************************************************************/
-void pciWriteConfigReg (PCI_HOST host, unsigned int regOffset,
- unsigned int pciDevNum, unsigned int data)
-{
- volatile unsigned int DataForAddrReg;
- unsigned int functionNum;
- unsigned int busNum = 0;
- unsigned int addr;
-
- if (pciDevNum > 32) /* illegal device Number */
- return;
- if (pciDevNum == SELF) { /* configure our configuration space. */
- pciDevNum =
- (GTREGREAD (pci_p2p_configuration_reg[host]) >> 24) &
- 0x1f;
- busNum = GTREGREAD (pci_p2p_configuration_reg[host]) &
- 0xff0000;
- }
- functionNum = regOffset & 0x00000700;
- pciDevNum = pciDevNum << 11;
- regOffset = regOffset & 0xfc;
- DataForAddrReg =
- (regOffset | pciDevNum | functionNum | busNum) | BIT31;
- GT_REG_WRITE (pci_configuration_address[host], DataForAddrReg);
- GT_REG_READ (pci_configuration_address[host], &addr);
- if (addr != DataForAddrReg)
- return;
- GT_REG_WRITE (pci_configuration_data[host], data);
-}
-
-/********************************************************************
-* pciReadConfigReg - Read from a PCI0 configuration register
-* - Make sure the GT is configured as a master before reading
-* from another device on the PCI.
-* - The function takes care of Big/Little endian conversion.
-* INPUTS: regOffset: The register offset as it apears in the GT spec (or PCI
-* spec)
-* pciDevNum: The device number needs to be addressed.
-* RETURNS: data , if the data == 0xffffffff check the master abort bit in the
-* cause register to make sure the data is valid
-*
-* Configuration Address 0xCF8:
-*
-* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number
-* |congif|Reserved| Bus |Device|Function|Register|00|
-* |Enable| |Number|Number| Number | Number | | <=field Name
-*
-*********************************************************************/
-unsigned int pciReadConfigReg (PCI_HOST host, unsigned int regOffset,
- unsigned int pciDevNum)
-{
- volatile unsigned int DataForAddrReg;
- unsigned int data;
- unsigned int functionNum;
- unsigned int busNum = 0;
-
- if (pciDevNum > 32) /* illegal device Number */
- return 0xffffffff;
- if (pciDevNum == SELF) { /* configure our configuration space. */
- pciDevNum =
- (GTREGREAD (pci_p2p_configuration_reg[host]) >> 24) &
- 0x1f;
- busNum = GTREGREAD (pci_p2p_configuration_reg[host]) &
- 0xff0000;
- }
- functionNum = regOffset & 0x00000700;
- pciDevNum = pciDevNum << 11;
- regOffset = regOffset & 0xfc;
- DataForAddrReg =
- (regOffset | pciDevNum | functionNum | busNum) | BIT31;
- GT_REG_WRITE (pci_configuration_address[host], DataForAddrReg);
- GT_REG_READ (pci_configuration_address[host], &data);
- if (data != DataForAddrReg)
- return 0xffffffff;
- GT_REG_READ (pci_configuration_data[host], &data);
- return data;
-}
-
-/********************************************************************
-* pciOverBridgeWriteConfigReg - Write to a PCI configuration register where
-* the agent is placed on another Bus. For more
-* information read P2P in the PCI spec.
-*
-* Inputs: unsigned int regOffset - The register offset as it apears in the
-* GT spec (or any other PCI device spec).
-* unsigned int pciDevNum - The device number needs to be addressed.
-* unsigned int busNum - On which bus does the Target agent connect
-* to.
-* unsigned int data - data to be written.
-*
-* Configuration Address 0xCF8:
-*
-* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number
-* |congif|Reserved| Bus |Device|Function|Register|01|
-* |Enable| |Number|Number| Number | Number | | <=field Name
-*
-* The configuration Address is configure as type-I (bits[1:0] = '01') due to
-* PCI spec referring to P2P.
-*
-*********************************************************************/
-void pciOverBridgeWriteConfigReg (PCI_HOST host,
- unsigned int regOffset,
- unsigned int pciDevNum,
- unsigned int busNum, unsigned int data)
-{
- unsigned int DataForReg;
- unsigned int functionNum;
-
- functionNum = regOffset & 0x00000700;
- pciDevNum = pciDevNum << 11;
- regOffset = regOffset & 0xff;
- busNum = busNum << 16;
- if (pciDevNum == SELF) { /* This board */
- DataForReg = (regOffset | pciDevNum | functionNum) | BIT0;
- } else {
- DataForReg = (regOffset | pciDevNum | functionNum | busNum) |
- BIT31 | BIT0;
- }
- GT_REG_WRITE (pci_configuration_address[host], DataForReg);
- GT_REG_WRITE (pci_configuration_data[host], data);
-}
-
-
-/********************************************************************
-* pciOverBridgeReadConfigReg - Read from a PCIn configuration register where
-* the agent target locate on another PCI bus.
-* - Make sure the GT is configured as a master
-* before reading from another device on the PCI.
-* - The function takes care of Big/Little endian
-* conversion.
-* INPUTS: regOffset: The register offset as it apears in the GT spec (or PCI
-* spec). (configuration register offset.)
-* pciDevNum: The device number needs to be addressed.
-* busNum: the Bus number where the agent is place.
-* RETURNS: data , if the data == 0xffffffff check the master abort bit in the
-* cause register to make sure the data is valid
-*
-* Configuration Address 0xCF8:
-*
-* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number
-* |congif|Reserved| Bus |Device|Function|Register|01|
-* |Enable| |Number|Number| Number | Number | | <=field Name
-*
-*********************************************************************/
-unsigned int pciOverBridgeReadConfigReg (PCI_HOST host,
- unsigned int regOffset,
- unsigned int pciDevNum,
- unsigned int busNum)
-{
- unsigned int DataForReg;
- unsigned int data;
- unsigned int functionNum;
-
- functionNum = regOffset & 0x00000700;
- pciDevNum = pciDevNum << 11;
- regOffset = regOffset & 0xff;
- busNum = busNum << 16;
- if (pciDevNum == SELF) { /* This board */
- DataForReg = (regOffset | pciDevNum | functionNum) | BIT31;
- } else { /* agent on another bus */
-
- DataForReg = (regOffset | pciDevNum | functionNum | busNum) |
- BIT0 | BIT31;
- }
- GT_REG_WRITE (pci_configuration_address[host], DataForReg);
- GT_REG_READ (pci_configuration_data[host], &data);
- return data;
-}
-
-
-/********************************************************************
-* pciGetRegOffset - Gets the register offset for this region config.
-*
-* INPUT: Bus, Region - The bus and region we ask for its base address.
-* OUTPUT: N/A
-* RETURNS: PCI register base address
-*********************************************************************/
-static unsigned int pciGetRegOffset (PCI_HOST host, PCI_REGION region)
-{
- switch (host) {
- case PCI_HOST0:
- switch (region) {
- case PCI_IO:
- return PCI_0I_O_LOW_DECODE_ADDRESS;
- case PCI_REGION0:
- return PCI_0MEMORY0_LOW_DECODE_ADDRESS;
- case PCI_REGION1:
- return PCI_0MEMORY1_LOW_DECODE_ADDRESS;
- case PCI_REGION2:
- return PCI_0MEMORY2_LOW_DECODE_ADDRESS;
- case PCI_REGION3:
- return PCI_0MEMORY3_LOW_DECODE_ADDRESS;
- }
- case PCI_HOST1:
- switch (region) {
- case PCI_IO:
- return PCI_1I_O_LOW_DECODE_ADDRESS;
- case PCI_REGION0:
- return PCI_1MEMORY0_LOW_DECODE_ADDRESS;
- case PCI_REGION1:
- return PCI_1MEMORY1_LOW_DECODE_ADDRESS;
- case PCI_REGION2:
- return PCI_1MEMORY2_LOW_DECODE_ADDRESS;
- case PCI_REGION3:
- return PCI_1MEMORY3_LOW_DECODE_ADDRESS;
- }
- }
- return PCI_0MEMORY0_LOW_DECODE_ADDRESS;
-}
-
-static unsigned int pciGetRemapOffset (PCI_HOST host, PCI_REGION region)
-{
- switch (host) {
- case PCI_HOST0:
- switch (region) {
- case PCI_IO:
- return PCI_0I_O_ADDRESS_REMAP;
- case PCI_REGION0:
- return PCI_0MEMORY0_ADDRESS_REMAP;
- case PCI_REGION1:
- return PCI_0MEMORY1_ADDRESS_REMAP;
- case PCI_REGION2:
- return PCI_0MEMORY2_ADDRESS_REMAP;
- case PCI_REGION3:
- return PCI_0MEMORY3_ADDRESS_REMAP;
- }
- case PCI_HOST1:
- switch (region) {
- case PCI_IO:
- return PCI_1I_O_ADDRESS_REMAP;
- case PCI_REGION0:
- return PCI_1MEMORY0_ADDRESS_REMAP;
- case PCI_REGION1:
- return PCI_1MEMORY1_ADDRESS_REMAP;
- case PCI_REGION2:
- return PCI_1MEMORY2_ADDRESS_REMAP;
- case PCI_REGION3:
- return PCI_1MEMORY3_ADDRESS_REMAP;
- }
- }
- return PCI_0MEMORY0_ADDRESS_REMAP;
-}
-
-/********************************************************************
-* pciGetBaseAddress - Gets the base address of a PCI.
-* - If the PCI size is 0 then this base address has no meaning!!!
-*
-*
-* INPUT: Bus, Region - The bus and region we ask for its base address.
-* OUTPUT: N/A
-* RETURNS: PCI base address.
-*********************************************************************/
-unsigned int pciGetBaseAddress (PCI_HOST host, PCI_REGION region)
-{
- unsigned int regBase;
- unsigned int regEnd;
- unsigned int regOffset = pciGetRegOffset (host, region);
-
- GT_REG_READ (regOffset, &regBase);
- GT_REG_READ (regOffset + 8, &regEnd);
-
- if (regEnd <= regBase)
- return 0xffffffff; /* ERROR !!! */
-
- regBase = regBase << 16;
- return regBase;
-}
-
-bool pciMapSpace (PCI_HOST host, PCI_REGION region, unsigned int remapBase,
- unsigned int bankBase, unsigned int bankLength)
-{
- unsigned int low = 0xfff;
- unsigned int high = 0x0;
- unsigned int regOffset = pciGetRegOffset (host, region);
- unsigned int remapOffset = pciGetRemapOffset (host, region);
-
- if (bankLength != 0) {
- low = (bankBase >> 16) & 0xffff;
- high = ((bankBase + bankLength) >> 16) - 1;
- }
-
- GT_REG_WRITE (regOffset, low | (1 << 24)); /* no swapping */
- GT_REG_WRITE (regOffset + 8, high);
-
- if (bankLength != 0) { /* must do AFTER writing maps */
- GT_REG_WRITE (remapOffset, remapBase >> 16); /* sorry, 32 bits only.
- dont support upper 32
- in this driver */
- }
- return true;
-}
-
-unsigned int pciGetSpaceBase (PCI_HOST host, PCI_REGION region)
-{
- unsigned int low;
- unsigned int regOffset = pciGetRegOffset (host, region);
-
- GT_REG_READ (regOffset, &low);
- return (low & 0xffff) << 16;
-}
-
-unsigned int pciGetSpaceSize (PCI_HOST host, PCI_REGION region)
-{
- unsigned int low, high;
- unsigned int regOffset = pciGetRegOffset (host, region);
-
- GT_REG_READ (regOffset, &low);
- GT_REG_READ (regOffset + 8, &high);
- return ((high & 0xffff) + 1) << 16;
-}
-
-
-/* ronen - 7/Dec/03*/
-/********************************************************************
-* gtPciDisable/EnableInternalBAR - This function enable/disable PCI BARS.
-* Inputs: one of the PCI BAR
-*********************************************************************/
-void gtPciEnableInternalBAR (PCI_HOST host, PCI_INTERNAL_BAR pciBAR)
-{
- RESET_REG_BITS (pci_address_space_en[host], BIT0 << pciBAR);
-}
-
-void gtPciDisableInternalBAR (PCI_HOST host, PCI_INTERNAL_BAR pciBAR)
-{
- SET_REG_BITS (pci_address_space_en[host], BIT0 << pciBAR);
-}
-
-/********************************************************************
-* pciMapMemoryBank - Maps PCI_host memory bank "bank" for the slave.
-*
-* Inputs: base and size of PCI SCS
-*********************************************************************/
-void pciMapMemoryBank (PCI_HOST host, MEMORY_BANK bank,
- unsigned int pciDramBase, unsigned int pciDramSize)
-{
- /*ronen different function for 3rd bank. */
- unsigned int offset = (bank < 2) ? bank * 8 : 0x100 + (bank - 2) * 8;
-
- pciDramBase = pciDramBase & 0xfffff000;
- pciDramBase = pciDramBase | (pciReadConfigReg (host,
- PCI_SCS_0_BASE_ADDRESS
- + offset,
- SELF) & 0x00000fff);
- pciWriteConfigReg (host, PCI_SCS_0_BASE_ADDRESS + offset, SELF,
- pciDramBase);
- if (pciDramSize == 0)
- pciDramSize++;
- GT_REG_WRITE (pci_scs_bank_size[host][bank], pciDramSize - 1);
- gtPciEnableInternalBAR (host, bank);
-}
-
-/********************************************************************
-* pciSetRegionFeatures - This function modifys one of the 8 regions with
-* feature bits given as an input.
-* - Be advised to check the spec before modifying them.
-* Inputs: PCI_PROTECT_REGION region - one of the eight regions.
-* unsigned int features - See file: pci.h there are defintion for those
-* region features.
-* unsigned int baseAddress - The region base Address.
-* unsigned int topAddress - The region top Address.
-* Returns: false if one of the parameters is erroneous true otherwise.
-*********************************************************************/
-bool pciSetRegionFeatures (PCI_HOST host, PCI_ACCESS_REGIONS region,
- unsigned int features, unsigned int baseAddress,
- unsigned int regionLength)
-{
- unsigned int accessLow;
- unsigned int accessHigh;
- unsigned int accessTop = baseAddress + regionLength;
-
- if (regionLength == 0) { /* close the region. */
- pciDisableAccessRegion (host, region);
- return true;
- }
- /* base Address is store is bits [11:0] */
- accessLow = (baseAddress & 0xfff00000) >> 20;
- /* All the features are update according to the defines in pci.h (to be on
- the safe side we disable bits: [11:0] */
- accessLow = accessLow | (features & 0xfffff000);
- /* write to the Low Access Region register */
- GT_REG_WRITE (pci_access_control_base_0_low[host] + 0x10 * region,
- accessLow);
-
- accessHigh = (accessTop & 0xfff00000) >> 20;
-
- /* write to the High Access Region register */
- GT_REG_WRITE (pci_access_control_top_0[host] + 0x10 * region,
- accessHigh - 1);
- return true;
-}
-
-/********************************************************************
-* pciDisableAccessRegion - Disable The given Region by writing MAX size
-* to its low Address and MIN size to its high Address.
-*
-* Inputs: PCI_ACCESS_REGIONS region - The region we to be Disabled.
-* Returns: N/A.
-*********************************************************************/
-void pciDisableAccessRegion (PCI_HOST host, PCI_ACCESS_REGIONS region)
-{
- /* writing back the registers default values. */
- GT_REG_WRITE (pci_access_control_base_0_low[host] + 0x10 * region,
- 0x01001fff);
- GT_REG_WRITE (pci_access_control_top_0[host] + 0x10 * region, 0);
-}
-
-/********************************************************************
-* pciArbiterEnable - Enables PCI-0`s Arbitration mechanism.
-*
-* Inputs: N/A
-* Returns: true.
-*********************************************************************/
-bool pciArbiterEnable (PCI_HOST host)
-{
- unsigned int regData;
-
- GT_REG_READ (pci_arbiter_control[host], &regData);
- GT_REG_WRITE (pci_arbiter_control[host], regData | BIT31);
- return true;
-}
-
-/********************************************************************
-* pciArbiterDisable - Disable PCI-0`s Arbitration mechanism.
-*
-* Inputs: N/A
-* Returns: true
-*********************************************************************/
-bool pciArbiterDisable (PCI_HOST host)
-{
- unsigned int regData;
-
- GT_REG_READ (pci_arbiter_control[host], &regData);
- GT_REG_WRITE (pci_arbiter_control[host], regData & 0x7fffffff);
- return true;
-}
-
-/********************************************************************
-* pciSetArbiterAgentsPriority - Priority setup for the PCI agents (Hi or Low)
-*
-* Inputs: PCI_AGENT_PRIO internalAgent - priotity for internal agent.
-* PCI_AGENT_PRIO externalAgent0 - priotity for external#0 agent.
-* PCI_AGENT_PRIO externalAgent1 - priotity for external#1 agent.
-* PCI_AGENT_PRIO externalAgent2 - priotity for external#2 agent.
-* PCI_AGENT_PRIO externalAgent3 - priotity for external#3 agent.
-* PCI_AGENT_PRIO externalAgent4 - priotity for external#4 agent.
-* PCI_AGENT_PRIO externalAgent5 - priotity for external#5 agent.
-* Returns: true
-*********************************************************************/
-bool pciSetArbiterAgentsPriority (PCI_HOST host, PCI_AGENT_PRIO internalAgent,
- PCI_AGENT_PRIO externalAgent0,
- PCI_AGENT_PRIO externalAgent1,
- PCI_AGENT_PRIO externalAgent2,
- PCI_AGENT_PRIO externalAgent3,
- PCI_AGENT_PRIO externalAgent4,
- PCI_AGENT_PRIO externalAgent5)
-{
- unsigned int regData;
- unsigned int writeData;
-
- GT_REG_READ (pci_arbiter_control[host], &regData);
- writeData = (internalAgent << 7) + (externalAgent0 << 8) +
- (externalAgent1 << 9) + (externalAgent2 << 10) +
- (externalAgent3 << 11) + (externalAgent4 << 12) +
- (externalAgent5 << 13);
- regData = (regData & 0xffffc07f) | writeData;
- GT_REG_WRITE (pci_arbiter_control[host], regData & regData);
- return true;
-}
-
-/********************************************************************
-* pciParkingDisable - Park on last option disable, with this function you can
-* disable the park on last mechanism for each agent.
-* disabling this option for all agents results parking
-* on the internal master.
-*
-* Inputs: PCI_AGENT_PARK internalAgent - parking Disable for internal agent.
-* PCI_AGENT_PARK externalAgent0 - parking Disable for external#0 agent.
-* PCI_AGENT_PARK externalAgent1 - parking Disable for external#1 agent.
-* PCI_AGENT_PARK externalAgent2 - parking Disable for external#2 agent.
-* PCI_AGENT_PARK externalAgent3 - parking Disable for external#3 agent.
-* PCI_AGENT_PARK externalAgent4 - parking Disable for external#4 agent.
-* PCI_AGENT_PARK externalAgent5 - parking Disable for external#5 agent.
-* Returns: true
-*********************************************************************/
-bool pciParkingDisable (PCI_HOST host, PCI_AGENT_PARK internalAgent,
- PCI_AGENT_PARK externalAgent0,
- PCI_AGENT_PARK externalAgent1,
- PCI_AGENT_PARK externalAgent2,
- PCI_AGENT_PARK externalAgent3,
- PCI_AGENT_PARK externalAgent4,
- PCI_AGENT_PARK externalAgent5)
-{
- unsigned int regData;
- unsigned int writeData;
-
- GT_REG_READ (pci_arbiter_control[host], &regData);
- writeData = (internalAgent << 14) + (externalAgent0 << 15) +
- (externalAgent1 << 16) + (externalAgent2 << 17) +
- (externalAgent3 << 18) + (externalAgent4 << 19) +
- (externalAgent5 << 20);
- regData = (regData & ~(0x7f << 14)) | writeData;
- GT_REG_WRITE (pci_arbiter_control[host], regData);
- return true;
-}
-
-/********************************************************************
-* pciEnableBrokenAgentDetection - A master is said to be broken if it fails to
-* respond to grant assertion within a window specified in
-* the input value: 'brokenValue'.
-*
-* Inputs: unsigned char brokenValue - A value which limits the Master to hold the
-* grant without asserting frame.
-* Returns: Error for illegal broken value otherwise true.
-*********************************************************************/
-bool pciEnableBrokenAgentDetection (PCI_HOST host, unsigned char brokenValue)
-{
- unsigned int data;
- unsigned int regData;
-
- if (brokenValue > 0xf)
- return false; /* brokenValue must be 4 bit */
- data = brokenValue << 3;
- GT_REG_READ (pci_arbiter_control[host], &regData);
- regData = (regData & 0xffffff87) | data;
- GT_REG_WRITE (pci_arbiter_control[host], regData | BIT1);
- return true;
-}
-
-/********************************************************************
-* pciDisableBrokenAgentDetection - This function disable the Broken agent
-* Detection mechanism.
-* NOTE: This operation may cause a dead lock on the
-* pci0 arbitration.
-*
-* Inputs: N/A
-* Returns: true.
-*********************************************************************/
-bool pciDisableBrokenAgentDetection (PCI_HOST host)
-{
- unsigned int regData;
-
- GT_REG_READ (pci_arbiter_control[host], &regData);
- regData = regData & 0xfffffffd;
- GT_REG_WRITE (pci_arbiter_control[host], regData);
- return true;
-}
-
-/********************************************************************
-* pciP2PConfig - This function set the PCI_n P2P configurate.
-* For more information on the P2P read PCI spec.
-*
-* Inputs: unsigned int SecondBusLow - Secondery PCI interface Bus Range Lower
-* Boundry.
-* unsigned int SecondBusHigh - Secondry PCI interface Bus Range upper
-* Boundry.
-* unsigned int busNum - The CPI bus number to which the PCI interface
-* is connected.
-* unsigned int devNum - The PCI interface's device number.
-*
-* Returns: true.
-*********************************************************************/
-bool pciP2PConfig (PCI_HOST host, unsigned int SecondBusLow,
- unsigned int SecondBusHigh,
- unsigned int busNum, unsigned int devNum)
-{
- unsigned int regData;
-
- regData = (SecondBusLow & 0xff) | ((SecondBusHigh & 0xff) << 8) |
- ((busNum & 0xff) << 16) | ((devNum & 0x1f) << 24);
- GT_REG_WRITE (pci_p2p_configuration[host], regData);
- return true;
-}
-
-/********************************************************************
-* pciSetRegionSnoopMode - This function modifys one of the 4 regions which
-* supports Cache Coherency in the PCI_n interface.
-* Inputs: region - One of the four regions.
-* snoopType - There is four optional Types:
-* 1. No Snoop.
-* 2. Snoop to WT region.
-* 3. Snoop to WB region.
-* 4. Snoop & Invalidate to WB region.
-* baseAddress - Base Address of this region.
-* regionLength - Region length.
-* Returns: false if one of the parameters is wrong otherwise return true.
-*********************************************************************/
-bool pciSetRegionSnoopMode (PCI_HOST host, PCI_SNOOP_REGION region,
- PCI_SNOOP_TYPE snoopType,
- unsigned int baseAddress,
- unsigned int regionLength)
-{
- unsigned int snoopXbaseAddress;
- unsigned int snoopXtopAddress;
- unsigned int data;
- unsigned int snoopHigh = baseAddress + regionLength;
-
- if ((region > PCI_SNOOP_REGION3) || (snoopType > PCI_SNOOP_WB))
- return false;
- snoopXbaseAddress =
- pci_snoop_control_base_0_low[host] + 0x10 * region;
- snoopXtopAddress = pci_snoop_control_top_0[host] + 0x10 * region;
- if (regionLength == 0) { /* closing the region */
- GT_REG_WRITE (snoopXbaseAddress, 0x0000ffff);
- GT_REG_WRITE (snoopXtopAddress, 0);
- return true;
- }
- baseAddress = baseAddress & 0xfff00000; /* Granularity of 1MByte */
- data = (baseAddress >> 20) | snoopType << 12;
- GT_REG_WRITE (snoopXbaseAddress, data);
- snoopHigh = (snoopHigh & 0xfff00000) >> 20;
- GT_REG_WRITE (snoopXtopAddress, snoopHigh - 1);
- return true;
-}
-
-static int gt_read_config_dword (struct pci_controller *hose,
- pci_dev_t dev, int offset, u32 * value)
-{
- int bus = PCI_BUS (dev);
-
- if ((bus == local_buses[0]) || (bus == local_buses[1])) {
- *value = pciReadConfigReg ((PCI_HOST) hose->cfg_addr, offset,
- PCI_DEV (dev));
- } else {
- *value = pciOverBridgeReadConfigReg ((PCI_HOST) hose->
- cfg_addr, offset,
- PCI_DEV (dev), bus);
- }
-
- return 0;
-}
-
-static int gt_write_config_dword (struct pci_controller *hose,
- pci_dev_t dev, int offset, u32 value)
-{
- int bus = PCI_BUS (dev);
-
- if ((bus == local_buses[0]) || (bus == local_buses[1])) {
- pciWriteConfigReg ((PCI_HOST) hose->cfg_addr, offset,
- PCI_DEV (dev), value);
- } else {
- pciOverBridgeWriteConfigReg ((PCI_HOST) hose->cfg_addr,
- offset, PCI_DEV (dev), bus,
- value);
- }
- return 0;
-}
-
-
-static void gt_setup_ide (struct pci_controller *hose,
- pci_dev_t dev, struct pci_config_table *entry)
-{
- static const int ide_bar[] = { 8, 4, 8, 4, 0, 0 };
- u32 bar_response, bar_value;
- int bar;
-
- for (bar = 0; bar < 6; bar++) {
- /*ronen different function for 3rd bank. */
- unsigned int offset =
- (bar < 2) ? bar * 8 : 0x100 + (bar - 2) * 8;
-
- pci_write_config_dword (dev, PCI_BASE_ADDRESS_0 + offset,
- 0x0);
- pci_read_config_dword (dev, PCI_BASE_ADDRESS_0 + offset,
- &bar_response);
-
- pciauto_region_allocate (bar_response &
- PCI_BASE_ADDRESS_SPACE_IO ? hose->
- pci_io : hose->pci_mem, ide_bar[bar],
- &bar_value);
-
- pci_write_config_dword (dev, PCI_BASE_ADDRESS_0 + bar * 4,
- bar_value);
- }
-}
-
-
-/* TODO BJW: Change this for DB64360. This was pulled from the EV64260 */
-/* and is curently not called *. */
-#if 0
-static void gt_fixup_irq (struct pci_controller *hose, pci_dev_t dev)
-{
- unsigned char pin, irq;
-
- pci_read_config_byte (dev, PCI_INTERRUPT_PIN, &pin);
-
- if (pin == 1) { /* only allow INT A */
- irq = pci_irq_swizzle[(PCI_HOST) hose->
- cfg_addr][PCI_DEV (dev)];
- if (irq)
- pci_write_config_byte (dev, PCI_INTERRUPT_LINE, irq);
- }
-}
-#endif
-
-struct pci_config_table gt_config_table[] = {
- {PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_IDE,
- PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, gt_setup_ide},
-
- {}
-};
-
-struct pci_controller pci0_hose = {
-/* fixup_irq: gt_fixup_irq, */
- config_table:gt_config_table,
-};
-
-struct pci_controller pci1_hose = {
-/* fixup_irq: gt_fixup_irq, */
- config_table:gt_config_table,
-};
-
-void pci_init_board (void)
-{
- unsigned int command;
-
-#ifdef DEBUG
- gt_pci_bus_mode_display (PCI_HOST0);
-#endif
-
- pci0_hose.first_busno = 0;
- pci0_hose.last_busno = 0xff;
- local_buses[0] = pci0_hose.first_busno;
-
- /* PCI memory space */
- pci_set_region (pci0_hose.regions + 0,
- CONFIG_SYS_PCI0_0_MEM_SPACE,
- CONFIG_SYS_PCI0_0_MEM_SPACE,
- CONFIG_SYS_PCI0_MEM_SIZE, PCI_REGION_MEM);
-
- /* PCI I/O space */
- pci_set_region (pci0_hose.regions + 1,
- CONFIG_SYS_PCI0_IO_SPACE_PCI,
- CONFIG_SYS_PCI0_IO_SPACE, CONFIG_SYS_PCI0_IO_SIZE, PCI_REGION_IO);
-
- pci_set_ops (&pci0_hose,
- pci_hose_read_config_byte_via_dword,
- pci_hose_read_config_word_via_dword,
- gt_read_config_dword,
- pci_hose_write_config_byte_via_dword,
- pci_hose_write_config_word_via_dword,
- gt_write_config_dword);
- pci0_hose.region_count = 2;
-
- pci0_hose.cfg_addr = (unsigned int *) PCI_HOST0;
-
- pci_register_hose (&pci0_hose);
- pciArbiterEnable (PCI_HOST0);
- pciParkingDisable (PCI_HOST0, 1, 1, 1, 1, 1, 1, 1);
- command = pciReadConfigReg (PCI_HOST0, PCI_COMMAND, SELF);
- command |= PCI_COMMAND_MASTER;
- pciWriteConfigReg (PCI_HOST0, PCI_COMMAND, SELF, command);
- command = pciReadConfigReg (PCI_HOST0, PCI_COMMAND, SELF);
- command |= PCI_COMMAND_MEMORY;
- pciWriteConfigReg (PCI_HOST0, PCI_COMMAND, SELF, command);
-
- pci0_hose.last_busno = pci_hose_scan (&pci0_hose);
-
-#ifdef DEBUG
- gt_pci_bus_mode_display (PCI_HOST1);
-#endif
- pci1_hose.first_busno = pci0_hose.last_busno + 1;
- pci1_hose.last_busno = 0xff;
- pci1_hose.current_busno = pci1_hose.first_busno;
- local_buses[1] = pci1_hose.first_busno;
-
- /* PCI memory space */
- pci_set_region (pci1_hose.regions + 0,
- CONFIG_SYS_PCI1_0_MEM_SPACE,
- CONFIG_SYS_PCI1_0_MEM_SPACE,
- CONFIG_SYS_PCI1_MEM_SIZE, PCI_REGION_MEM);
-
- /* PCI I/O space */
- pci_set_region (pci1_hose.regions + 1,
- CONFIG_SYS_PCI1_IO_SPACE_PCI,
- CONFIG_SYS_PCI1_IO_SPACE, CONFIG_SYS_PCI1_IO_SIZE, PCI_REGION_IO);
-
- pci_set_ops (&pci1_hose,
- pci_hose_read_config_byte_via_dword,
- pci_hose_read_config_word_via_dword,
- gt_read_config_dword,
- pci_hose_write_config_byte_via_dword,
- pci_hose_write_config_word_via_dword,
- gt_write_config_dword);
-
- pci1_hose.region_count = 2;
-
- pci1_hose.cfg_addr = (unsigned int *) PCI_HOST1;
-
- pci_register_hose (&pci1_hose);
-
- pciArbiterEnable (PCI_HOST1);
- pciParkingDisable (PCI_HOST1, 1, 1, 1, 1, 1, 1, 1);
-
- command = pciReadConfigReg (PCI_HOST1, PCI_COMMAND, SELF);
- command |= PCI_COMMAND_MASTER;
- pciWriteConfigReg (PCI_HOST1, PCI_COMMAND, SELF, command);
-
- pci1_hose.last_busno = pci_hose_scan (&pci1_hose);
-
- command = pciReadConfigReg (PCI_HOST1, PCI_COMMAND, SELF);
- command |= PCI_COMMAND_MEMORY;
- pciWriteConfigReg (PCI_HOST1, PCI_COMMAND, SELF, command);
-
-}