* (C) Copyright 2000
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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 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.
- *
- * 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., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
+ * SPDX-License-Identifier: GPL-2.0+
*/
/* PCI.c - PCI functions */
#ifdef CONFIG_PCI
#include <pci.h>
-#ifdef CONFIG_PCI_PNP
-void pciauto_config_init(struct pci_controller *hose);
-int pciauto_region_allocate(struct pci_region* res, unsigned int size, unsigned int *bar);
-#endif
-
#include "../../Marvell/include/pci.h"
#undef DEBUG
#ifdef CONFIG_USE_CPCIDVI
typedef struct {
- unsigned int base;
- unsigned int init;
+ unsigned int base;
+ unsigned int init;
} GT_CPCIDVI_ROM_T;
static GT_CPCIDVI_ROM_T gt_cpcidvi_rom = {0, 0};
printf ("PCI %d bus mode: Conventional PCI\n", host);
break;
case 1:
- printf ("PCI %d bus mode: 66 Mhz PCIX\n", host);
+ printf ("PCI %d bus mode: 66 MHz PCIX\n", host);
break;
case 2:
- printf ("PCI %d bus mode: 100 Mhz PCIX\n", host);
+ printf ("PCI %d bus mode: 100 MHz PCIX\n", host);
break;
case 3:
- printf ("PCI %d bus mode: 133 Mhz PCIX\n", host);
+ printf ("PCI %d bus mode: 133 MHz PCIX\n", host);
break;
default:
printf ("Unknown BUS %d\n", mode);
/********************************************************************
* 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.
+* - 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.
+* (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
+* 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
+* |Enable| |Number|Number| Number | Number | | <=field Name
*
*********************************************************************/
void pciWriteConfigReg (PCI_HOST host, unsigned int regOffset,
/********************************************************************
* 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.
+* - 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.
+* 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
+* 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
+* 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
+* |Enable| |Number|Number| Number | Number | | <=field Name
*
*********************************************************************/
unsigned int pciReadConfigReg (PCI_HOST host, unsigned int regOffset,
/********************************************************************
* pciOverBridgeWriteConfigReg - Write to a PCI configuration register where
-* the agent is placed on another Bus. For more
-* information read P2P in the PCI spec.
+* 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.
+* 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
+* 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
+* |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.
/********************************************************************
* 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.
+* 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.
+* 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
+* 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
+* 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
+* |Enable| |Number|Number| Number | Number | | <=field Name
*
*********************************************************************/
unsigned int pciOverBridgeReadConfigReg (PCI_HOST host,
/********************************************************************
* pciGetBaseAddress - Gets the base address of a PCI.
-* - If the PCI size is 0 then this base address has no meaning!!!
+* - 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.
/********************************************************************
* 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.
+* 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.
+* 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,
/********************************************************************
* pciDisableAccessRegion - Disable The given Region by writing MAX size
-* to its low Address and MIN size to its high Address.
+* 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.
* 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.
+* 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,
/********************************************************************
* 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.
+* 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.
+* 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,
/********************************************************************
* 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'.
+* 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.
+* grant without asserting frame.
* Returns: Error for illegal broken value otherwise true.
*********************************************************************/
bool pciEnableBrokenAgentDetection (PCI_HOST host, unsigned char brokenValue)
/********************************************************************
* pciDisableBrokenAgentDetection - This function disable the Broken agent
-* Detection mechanism.
-* NOTE: This operation may cause a dead lock on the
-* pci0 arbitration.
+* Detection mechanism.
+* NOTE: This operation may cause a dead lock on the
+* pci0 arbitration.
*
* Inputs: N/A
* Returns: true.
/********************************************************************
* pciP2PConfig - This function set the PCI_n P2P configurate.
-* For more information on the P2P read PCI spec.
+* 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.
+* 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.
*********************************************************************/
/********************************************************************
* pciSetRegionSnoopMode - This function modifys one of the 4 regions which
-* supports Cache Coherency in the PCI_n interface.
+* 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.
+* 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,
GT_REG_WRITE (snoopXtopAddress, 0);
return true;
}
- baseAddress = baseAddress & 0xfff00000; /* Granularity of 1MByte */
+ baseAddress = baseAddress & 0xfff00000; /* Granularity of 1MByte */
data = (baseAddress >> 20) | snoopType << 12;
GT_REG_WRITE (snoopXbaseAddress, data);
snoopHigh = (snoopHigh & 0xfff00000) >> 20;
int bus = PCI_BUS (dev);
if ((bus == local_buses[0]) || (bus == local_buses[1])) {
- *value = pciReadConfigReg ((PCI_HOST) hose->cfg_addr, offset,
+ *value = pciReadConfigReg ((PCI_HOST) hose->cfg_addr,
+ offset | (PCI_FUNC(dev) << 8),
PCI_DEV (dev));
} else {
- *value = pciOverBridgeReadConfigReg ((PCI_HOST) hose->
- cfg_addr, offset,
+ *value = pciOverBridgeReadConfigReg ((PCI_HOST) hose->cfg_addr,
+ offset | (PCI_FUNC(dev) << 8),
PCI_DEV (dev), bus);
}
int bus = PCI_BUS (dev);
if ((bus == local_buses[0]) || (bus == local_buses[1])) {
- pciWriteConfigReg ((PCI_HOST) hose->cfg_addr, offset,
+ pciWriteConfigReg ((PCI_HOST) hose->cfg_addr,
+ offset | (PCI_FUNC(dev) << 8),
PCI_DEV (dev), value);
} else {
pciOverBridgeWriteConfigReg ((PCI_HOST) hose->cfg_addr,
- offset, PCI_DEV (dev), bus,
+ offset | (PCI_FUNC(dev) << 8),
+ PCI_DEV (dev), bus,
value);
}
return 0;
u32 bar_response, bar_value;
int bar;
+ if (CPCI750_SLAVE_TEST != 0)
+ return;
+
for (bar = 0; bar < 6; bar++) {
/*ronen different function for 3rd bank. */
unsigned int offset =
static void gt_setup_cpcidvi (struct pci_controller *hose,
pci_dev_t dev, struct pci_config_table *entry)
{
- u32 bar_value, pci_response;
+ u32 bar_value, pci_response;
+
+ if (CPCI750_SLAVE_TEST != 0)
+ return;
pci_hose_read_config_dword (hose, dev, PCI_COMMAND, &pci_response);
pci_hose_write_config_dword (hose, dev, PCI_BASE_ADDRESS_0, 0xffffffff);
unsigned char gt_cpcidvi_in8(unsigned int offset)
{
- unsigned char data;
+ unsigned char data;
if (gt_cpcidvi_rom.init == 0) {
- return(0);
- }
- data = in8((offset & 0x04) + 0x3f000 + gt_cpcidvi_rom.base);
- return(data);
+ return(0);
+ }
+ data = in8((offset & 0x04) + 0x3f000 + gt_cpcidvi_rom.base);
+ return(data);
}
void gt_cpcidvi_out8(unsigned int offset, unsigned char data)
{
- unsigned int off;
-
+ unsigned int off;
+
if (gt_cpcidvi_rom.init == 0) {
- return;
- }
+ return;
+ }
off = data;
off = ((off << 3) & 0x7f8) + (offset & 0x4) + 0x3e000 + gt_cpcidvi_rom.base;
- in8(off);
- return;
+ in8(off);
+ return;
}
#endif
-/* TODO BJW: Change this for DB64360. This was pulled from the EV64260 */
+/* 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)
void pci_init_board (void)
{
unsigned int command;
+ unsigned int slave;
#ifdef CONFIG_PCI_PNP
unsigned int bar;
#endif
gt_cpcidvi_rom.base = 0;
#endif
+ slave = CPCI750_SLAVE_TEST;
+
pci0_hose.config_table = gt_config_table;
pci1_hose.config_table = gt_config_table;
/* PCI memory space */
pci_set_region (pci0_hose.regions + 0,
- CFG_PCI0_0_MEM_SPACE,
- CFG_PCI0_0_MEM_SPACE,
- CFG_PCI0_MEM_SIZE, PCI_REGION_MEM);
+ 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,
- CFG_PCI0_IO_SPACE_PCI,
- CFG_PCI0_IO_SPACE, CFG_PCI0_IO_SIZE, PCI_REGION_IO);
+ 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,
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);
+ if (slave == 0) {
+ 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);
#ifdef CONFIG_PCI_PNP
- pciauto_config_init(&pci0_hose);
- pciauto_region_allocate(pci0_hose.pci_io, 0x400, &bar);
+ pciauto_config_init(&pci0_hose);
+ pciauto_region_allocate(pci0_hose.pci_io, 0x400, &bar);
#endif
#ifdef CONFIG_PCI_SCAN_SHOW
- printf("PCI: Bus Dev VenId DevId Class Int\n");
+ printf("PCI: Bus Dev VenId DevId Class Int\n");
#endif
- pci0_hose.last_busno = pci_hose_scan_bus (&pci0_hose, pci0_hose.first_busno);
+ pci0_hose.last_busno = pci_hose_scan_bus (&pci0_hose,
+ pci0_hose.first_busno);
#ifdef DEBUG
- gt_pci_bus_mode_display (PCI_HOST1);
+ gt_pci_bus_mode_display (PCI_HOST1);
#endif
+ } else {
+ pciArbiterDisable (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 = pci0_hose.first_busno;
+ }
pci1_hose.first_busno = pci0_hose.last_busno + 1;
pci1_hose.last_busno = 0xff;
pci1_hose.current_busno = pci1_hose.first_busno;
/* PCI memory space */
pci_set_region (pci1_hose.regions + 0,
- CFG_PCI1_0_MEM_SPACE,
- CFG_PCI1_0_MEM_SPACE,
- CFG_PCI1_MEM_SIZE, PCI_REGION_MEM);
+ 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,
- CFG_PCI1_IO_SPACE_PCI,
- CFG_PCI1_IO_SPACE, CFG_PCI1_IO_SIZE, PCI_REGION_IO);
+ 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,
projects / karo-tx-uboot.git / blobdiff