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-rw-r--r--src/northbridge/amd/agesa/def_callouts.c2
-rw-r--r--src/northbridge/amd/agesa/family12/Makefile.inc1
-rw-r--r--src/northbridge/amd/agesa/family12/dimmSpd.c177
-rw-r--r--src/northbridge/amd/agesa/family12/dimmSpd.h63
-rw-r--r--src/northbridge/amd/agesa/family12/fam12_callouts.c9
-rw-r--r--src/northbridge/amd/agesa/family12/fam12_callouts.h2
-rw-r--r--src/northbridge/amd/agesa/family14/dimmSpd.c94
-rw-r--r--src/northbridge/amd/agesa/family14/dimmSpd.h83
-rw-r--r--src/northbridge/amd/agesa/family14/fam14_callouts.c14
-rw-r--r--src/northbridge/amd/agesa/family14/fam14_callouts.h2
-rw-r--r--src/northbridge/amd/agesa/family15/dimmSpd.c134
-rw-r--r--src/northbridge/amd/agesa/family15/dimmSpd.h97
-rw-r--r--src/northbridge/amd/agesa/family15/fam15_callouts.c1
13 files changed, 24 insertions, 655 deletions
diff --git a/src/northbridge/amd/agesa/def_callouts.c b/src/northbridge/amd/agesa/def_callouts.c
index 99759245cc..fd8e373b67 100644
--- a/src/northbridge/amd/agesa/def_callouts.c
+++ b/src/northbridge/amd/agesa/def_callouts.c
@@ -115,6 +115,7 @@ AGESA_STATUS agesa_GfxGetVbiosImage(UINT32 Func, UINT32 FchData, VOID *ConfigPrt
/* printk(BIOS_DEBUG, "IMGptr=%x\n", pVbiosImageInfo->ImagePtr); */
return pVbiosImageInfo->ImagePtr == NULL ? AGESA_WARNING : AGESA_SUCCESS;
}
+#endif
AGESA_STATUS agesa_ReadSpd (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
{
@@ -124,7 +125,6 @@ AGESA_STATUS agesa_ReadSpd (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
#endif
return Status;
}
-#endif
AGESA_STATUS agesa_ReadSpd_from_cbfs(UINT32 Func, UINT32 Data, VOID *ConfigPtr)
{
diff --git a/src/northbridge/amd/agesa/family12/Makefile.inc b/src/northbridge/amd/agesa/family12/Makefile.inc
index ffadecd411..af67f69779 100644
--- a/src/northbridge/amd/agesa/family12/Makefile.inc
+++ b/src/northbridge/amd/agesa/family12/Makefile.inc
@@ -22,6 +22,5 @@ romstage-y += dimmSpd.c
ramstage-y += northbridge.c
ramstage-y += fam12_callouts.c
-ramstage-y += dimmSpd.c
ramstage-$(CONFIG_HAVE_ACPI_TABLES) += ssdt.asl
diff --git a/src/northbridge/amd/agesa/family12/dimmSpd.c b/src/northbridge/amd/agesa/family12/dimmSpd.c
index 55fb2c3b22..3ac4d7d638 100644
--- a/src/northbridge/amd/agesa/family12/dimmSpd.c
+++ b/src/northbridge/amd/agesa/family12/dimmSpd.c
@@ -27,27 +27,13 @@
*
***************************************************************************/
-/*----------------------------------------------------------------------------------------
- * M O D U L E S U S E D
- *----------------------------------------------------------------------------------------
- */
-
#include "Porting.h"
#include "AGESA.h"
#include "amdlib.h"
-#include "dimmSpd.h"
-/*----------------------------------------------------------------------------------------
- * D E F I N I T I O N S A N D M A C R O S
- *----------------------------------------------------------------------------------------
- */
-#define SMBUS_BASE_ADDR 0xB00
-#define DIMENSION(array)(sizeof (array)/ sizeof (array [0]))
+#include <northbridge/amd/agesa/dimmSpd.h>
-/*----------------------------------------------------------------------------------------
- * T Y P E D E F S A N D S T R U C T U R E S
- *----------------------------------------------------------------------------------------
- */
+#define DIMENSION(array)(sizeof (array)/ sizeof (array [0]))
typedef struct _DIMM_INFO_SMBUS{
UINT8 SocketId;
@@ -65,156 +51,6 @@ STATIC CONST DIMM_INFO_SMBUS SpdAddrLookup [] =
{0, 1, 0, 0xA2}
};
-/*----------------------------------------------------------------------------------------
- * P R O T O T Y P E S O F L O C A L F U N C T I O N S
- *----------------------------------------------------------------------------------------
- */
-
-/*----------------------------------------------------------------------------------------
- * E X P O R T E D F U N C T I O N S
- *----------------------------------------------------------------------------------------
- */
-
-/*---------------------------------------------------------------------------------------
- * L O C A L F U N C T I O N S
- *---------------------------------------------------------------------------------------
- */
-
-STATIC
-VOID
-WritePmReg (
- IN UINT8 Reg,
- IN UINT8 Data
- )
-{
- __outbyte (0xCD6, Reg);
- __outbyte (0xCD7, Data);
-}
-STATIC
-VOID
-SetupFch (
- IN UINT16
- IN IoBase
- )
-{
- WritePmReg (0x2D, IoBase >> 8);
- WritePmReg (0x2C, IoBase | 1);
- WritePmReg (0x29, 0x80);
- WritePmReg (0x28, 0x61);
- /* set SMBus clock to 400 KHz */
- __outbyte (IoBase + 0x0E, 66000000 / 400000 / 4);
-}
-
-/*
- *
- * ReadSmbusByteData - read a single SPD byte from any offset
- *
- */
-
-STATIC
-AGESA_STATUS
-ReadSmbusByteData (
- IN UINT16 Iobase,
- IN UINT8 Address,
- OUT UINT8 *Buffer,
- IN UINTN Offset
- )
-{
- UINTN Status;
- UINT64 Limit;
-
- Address |= 1; // set read bit
-
- __outbyte (Iobase + 0, 0xFF); // clear error status
- __outbyte (Iobase + 1, 0x1F); // clear error status
- __outbyte (Iobase + 3, Offset); // offset in eeprom
- __outbyte (Iobase + 4, Address); // slave address and read bit
- __outbyte (Iobase + 2, 0x48); // read byte command
-
- /* time limit to avoid hanging for unexpected error status (should never happen) */
- Limit = __rdtsc () + 2000000000 / 10;
- for (;;) {
- Status = __inbyte (Iobase);
- if (__rdtsc () > Limit) break;
- if ((Status & 2) == 0) continue; // SMBusInterrupt not set, keep waiting
- if ((Status & 1) == 1) continue; // HostBusy set, keep waiting
- break;
- }
-
- Buffer [0] = __inbyte (Iobase + 5);
- if (Status == 2) Status = 0; // check for done with no errors
- return Status;
- }
-
-/*
- *
- * ReadSmbusByte - read a single SPD byte from the default offset
- * this function is faster function readSmbusByteData
- *
- */
-
-STATIC
-AGESA_STATUS
-ReadSmbusByte (
- IN UINT16 Iobase,
- IN UINT8 Address,
- OUT UINT8 *Buffer
- )
-{
- UINTN Status;
- UINT64 Limit;
-
- __outbyte (Iobase + 0, 0xFF); // clear error status
- __outbyte (Iobase + 2, 0x44); // read command
-
- // time limit to avoid hanging for unexpected error status
- Limit = __rdtsc () + 2000000000 / 10;
- for (;;) {
- Status = __inbyte (Iobase);
- if (__rdtsc () > Limit) break;
- if ((Status & 2) == 0) continue; // SMBusInterrupt not set, keep waiting
- if ((Status & 1) == 1) continue; // HostBusy set, keep waiting
- break;
- }
-
- Buffer [0] = __inbyte (Iobase + 5);
- if (Status == 2) Status = 0; // check for done with no errors
- return Status;
-}
-
-/*
- *
- * ReadSpd - Read one or more SPD bytes from a DIMM.
- * Start with offset zero and read sequentially.
- * Optimization relies on autoincrement to avoid
- * sending offset for every byte.
- * Reads 128 bytes in 7-8 ms at 400 KHz.
- *
- */
-
-STATIC
-AGESA_STATUS
-ReadSpd (
- IN UINT16 IoBase,
- IN UINT8 SmbusSlaveAddress,
- OUT UINT8 *Buffer,
- IN UINTN Count
- )
-{
- UINTN Index, Status;
-
- /* read the first byte using offset zero */
- Status = ReadSmbusByteData (IoBase, SmbusSlaveAddress, Buffer, 0);
- if (Status) return Status;
-
- /* read the remaining bytes using auto-increment for speed */
- for (Index = 1; Index < Count; Index++){
- Status = ReadSmbusByte (IoBase, SmbusSlaveAddress, &Buffer [Index]);
- if (Status) return Status;
- }
- return 0;
-}
-
AGESA_STATUS
AmdMemoryReadSPD (
IN UINT32 Func,
@@ -234,8 +70,11 @@ AmdMemoryReadSPD (
}
}
+ if (SmBusAddress == 0)
+ return AGESA_ERROR;
- if (SmBusAddress == 0) return AGESA_ERROR;
- SetupFch (SMBUS_BASE_ADDR);
- return ReadSpd (SMBUS_BASE_ADDR, SmBusAddress, SpdData->Buffer, 128);
+ int err = smbus_readSpd(SmBusAddress, (char *) SpdData->Buffer, 128);
+ if (err)
+ return AGESA_ERROR;
+ return AGESA_SUCCESS;
}
diff --git a/src/northbridge/amd/agesa/family12/dimmSpd.h b/src/northbridge/amd/agesa/family12/dimmSpd.h
deleted file mode 100644
index 81ab02e157..0000000000
--- a/src/northbridge/amd/agesa/family12/dimmSpd.h
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2011 Advanced Micro Devices, 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.
- *
- * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-/*----------------------------------------------------------------------------------------
- * M O D U L E S U S E D
- *----------------------------------------------------------------------------------------
- */
-
-#ifndef _DIMMSPD_H_
-#define _DIMMSPD_H_
-
-#include "Porting.h"
-#include "AGESA.h"
-
-/*----------------------------------------------------------------------------------------
- * D E F I N I T I O N S A N D M A C R O S
- *----------------------------------------------------------------------------------------
- */
-
-/*----------------------------------------------------------------------------------------
- * T Y P E D E F S A N D S T R U C T U R E S
- *----------------------------------------------------------------------------------------
- */
-
-/*----------------------------------------------------------------------------------------
- * P R O T O T Y P E S O F L O C A L F U N C T I O N S
- *----------------------------------------------------------------------------------------
- */
-
-/*----------------------------------------------------------------------------------------
- * E X P O R T E D F U N C T I O N S
- *----------------------------------------------------------------------------------------
- */
-
-AGESA_STATUS
-AmdMemoryReadSPD (
- IN UINT32 Func,
- IN UINT32 Data,
- IN OUT AGESA_READ_SPD_PARAMS *SpdData
- );
-
-/*---------------------------------------------------------------------------------------
- * L O C A L F U N C T I O N S
- *---------------------------------------------------------------------------------------
- */
-
-#endif
diff --git a/src/northbridge/amd/agesa/family12/fam12_callouts.c b/src/northbridge/amd/agesa/family12/fam12_callouts.c
index 203c883b05..aa707a899f 100644
--- a/src/northbridge/amd/agesa/family12/fam12_callouts.c
+++ b/src/northbridge/amd/agesa/family12/fam12_callouts.c
@@ -19,18 +19,9 @@
#include "agesawrapper.h"
#include "amdlib.h"
-#include "dimmSpd.h"
#include "BiosCallOuts.h"
#include "Ids.h"
#include "OptionsIds.h"
#include "heapManager.h"
#include "Hudson-2.h"
-
-AGESA_STATUS BiosReadSpd (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
-{
- AGESA_STATUS Status;
- Status = AmdMemoryReadSPD (Func, Data, (AGESA_READ_SPD_PARAMS *)ConfigPtr);
-
- return Status;
-}
diff --git a/src/northbridge/amd/agesa/family12/fam12_callouts.h b/src/northbridge/amd/agesa/family12/fam12_callouts.h
index 6fb9fbb08d..46f4fe514e 100644
--- a/src/northbridge/amd/agesa/family12/fam12_callouts.h
+++ b/src/northbridge/amd/agesa/family12/fam12_callouts.h
@@ -24,7 +24,5 @@
#include "AGESA.h"
-/* AGESA ADVANCED CALLOUTS - MEMORY */
-AGESA_STATUS BiosReadSpd (UINT32 Func,UINT32 Data,VOID *ConfigPtr);
#endif /* CALLOUTS_AMD_AGESA_FAM12_H */
diff --git a/src/northbridge/amd/agesa/family14/dimmSpd.c b/src/northbridge/amd/agesa/family14/dimmSpd.c
index a3f5bb3627..4a0cd2ad59 100644
--- a/src/northbridge/amd/agesa/family14/dimmSpd.c
+++ b/src/northbridge/amd/agesa/family14/dimmSpd.c
@@ -26,102 +26,20 @@
#include "Porting.h"
#include "AGESA.h"
#include "amdlib.h"
-#include "dimmSpd.h"
#include "chip.h"
+#include <northbridge/amd/agesa/dimmSpd.h>
+
/* uncomment for source level debug - GDB gets really confused otherwise. */
//#pragma optimize ("", off)
/**
- * Read a single SPD byte. If the first byte is being read, set up the
- * address and offset. Following bytes auto increment.
- */
-static UINT8 readSmbusByte(UINT16 iobase, UINT8 address, char *buffer,
- int offset, int initial_offset)
-{
- unsigned int status = -1;
- UINT64 time_limit;
-
- /* clear status register */
- __outbyte(iobase + SMBUS_STATUS_REG, 0x1E);
-
- if (offset == initial_offset) {
- /* Clear slave status, set offset, set slave address and start reading */
- __outbyte(iobase + SMBUS_SLAVE_STATUS_REG, 0x3E);
- __outbyte(iobase + SMBUS_CONTROL_REG, offset);
- __outbyte(iobase + SMBUS_HOST_CMD_REG, address | READ_BIT);
- __outbyte(iobase + SMBUS_COMMAND_REG, SMBUS_READ_BYTE_COMMAND);
- } else {
- /* Issue read command - auto increments to next byte */
- __outbyte(iobase + SMBUS_COMMAND_REG, SMBUS_READ_COMMAND);
- }
- /* time limit to avoid hanging for unexpected error status */
- time_limit = __rdtsc() + MAX_READ_TSC_COUNT;
- while (__rdtsc() <= time_limit) {
- status = __inbyte(iobase + SMBUS_STATUS_REG);
- if ((status & SMBUS_INTERRUPT_MASK) == 0)
- continue; /* SMBusInterrupt not set, keep waiting */
- if ((status & HOSTBUSY_MASK) != 0)
- continue; /* HostBusy set, keep waiting */
- break;
- }
-
- if (status != STATUS__COMPLETED_SUCCESSFULLY)
- return AGESA_ERROR;
-
- buffer[0] = __inbyte(iobase + SMBUS_DATA0_REG);
- return AGESA_SUCCESS;
-}
-
-static void writePmReg(UINT8 reg, UINT8 data)
-{
- __outbyte(PMIO_INDEX_REG, reg);
- __outbyte(PMIO_DATA_REG, data);
-}
-
-static void setupFch(UINT16 ioBase)
-{
- /* set up SMBUS - Set to SMBUS 0 & set base address */
- /* For SB800 & Hudson1 to SB900 & Hudson 2/3 */
- writePmReg(SMBUS_BAR_HIGH_BYTE, ioBase >> 8);
- writePmReg(SMBUS_BAR_LOW_BYTE, (ioBase & 0xe0) | 1);
-
- /* set SMBus clock to 400 KHz */
- __outbyte(ioBase + SMBUS_CLOCK_REG, SMBUS_FREQUENCY_CONST / 400000);
-}
-
-/**
- * Read one or more SPD bytes from a DIMM.
- * Start with offset zero and read sequentially.
- * Reads 128 bytes in 7-8 ms at 400 KHz.
- */
-static UINT8 readspd(UINT16 iobase, UINT8 SmbusSlaveAddress, char *buffer,
- UINT16 count)
-{
- UINT16 index;
- UINT8 status;
- UINT8 initial_offset = 0;
-
- setupFch(iobase);
-
- for (index = initial_offset; index < count; index++) {
- status = readSmbusByte(iobase, SmbusSlaveAddress, &buffer[index], index,
- initial_offset);
- if (status != AGESA_SUCCESS)
- return status;
- }
-
- return status;
-}
-
-/**
* Gets the SMBUS address for an SPD from the array in devicetree.cb
* then read the SPD into the supplied buffer.
*/
-AGESA_STATUS agesa_ReadSPD(UINT32 unused1, UINT32 unused2, void *infoptr)
+AGESA_STATUS AmdMemoryReadSPD (UINT32 unused1, UINT32 unused2, AGESA_READ_SPD_PARAMS *info)
{
UINT8 spdAddress;
- AGESA_READ_SPD_PARAMS *info = infoptr;
ROMSTAGE_CONST struct device *dev = dev_find_slot(0, PCI_DEVFN(0x18, 2));
ROMSTAGE_CONST struct northbridge_amd_agesa_family14_config *config = NULL;
@@ -141,5 +59,9 @@ AGESA_STATUS agesa_ReadSPD(UINT32 unused1, UINT32 unused2, void *infoptr)
if (spdAddress == 0)
return AGESA_ERROR;
- return readspd(SMBUS0_BASE_ADDRESS, spdAddress, (void *)info->Buffer, 128);
+
+ int err = smbus_readSpd(spdAddress, (void *) info->Buffer, 128);
+ if (err)
+ return AGESA_ERROR;
+ return AGESA_SUCCESS;
}
diff --git a/src/northbridge/amd/agesa/family14/dimmSpd.h b/src/northbridge/amd/agesa/family14/dimmSpd.h
deleted file mode 100644
index 57512c72bb..0000000000
--- a/src/northbridge/amd/agesa/family14/dimmSpd.h
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2011 Advanced Micro Devices, 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.
- *
- * 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., 51 Franklin St, Fifth Floor, Boston, MA02110-1301 USA
- */
-
-/*----------------------------------------------------------------------------------------
- * M O D U L E S U S E D
- *----------------------------------------------------------------------------------------
- */
-
-#ifndef _DIMMSPD_H_
-#define _DIMMSPD_H_
-
-/*----------------------------------------------------------------------------------------
- * D E F I N I T I O N S A N D M A C R O S
- *----------------------------------------------------------------------------------------
- */
-
-#define READ_BIT 0x01
-
-#define SMBUS_INTERRUPT_MASK 0x02
-#define HOSTBUSY_MASK 0x01
-
-#define SMBUS_READ_BYTE_COMMAND 0x48
-#define SMBUS_READ_COMMAND 0x44
-
-#define MAX_READ_TSC_COUNT (2000000000 / 10)
-
-#define PMIO_INDEX_REG 0xCD6
-#define PMIO_DATA_REG 0xCD7
-
-#define SMBUS_BAR_LOW_BYTE 0x2C
-#define SMBUS_BAR_HIGH_BYTE 0x2D
-
-#define SMBUS_STATUS_REG 0x00
-#define SMBUS_SLAVE_STATUS_REG 0x01
-#define SMBUS_COMMAND_REG 0x02
-#define SMBUS_CONTROL_REG 0x03
-#define SMBUS_HOST_CMD_REG 0x04
-#define SMBUS_DATA0_REG 0x05
-#define SMBUS_CLOCK_REG 0x0E
-
-#define STATUS__COMPLETED_SUCCESSFULLY 0x02
-
-#define SMBUS_FREQUENCY_CONST 66000000 / 4
-/*----------------------------------------------------------------------------------------
- * T Y P E D E F S A N D S T R U C T U R E S
- *----------------------------------------------------------------------------------------
- */
-
-/*----------------------------------------------------------------------------------------
- * P R O T O T Y P E S O F L O C A L F U N C T I O N S
- *----------------------------------------------------------------------------------------
- */
-
-/*----------------------------------------------------------------------------------------
- * E X P O R T E D F U N C T I O N S
- *----------------------------------------------------------------------------------------
- */
-
-AGESA_STATUS
-agesa_ReadSPD (IN UINT32 Func, IN UINT32 Data, IN OUT void *SpdData);
-
-/*---------------------------------------------------------------------------------------
- * L O C A L F U N C T I O N S
- *---------------------------------------------------------------------------------------
- */
-
-#endif
diff --git a/src/northbridge/amd/agesa/family14/fam14_callouts.c b/src/northbridge/amd/agesa/family14/fam14_callouts.c
index 3be5037d82..a00c25a231 100644
--- a/src/northbridge/amd/agesa/family14/fam14_callouts.c
+++ b/src/northbridge/amd/agesa/family14/fam14_callouts.c
@@ -22,18 +22,4 @@
#include "fam14_callouts.h"
#include "heapManager.h"
#include "SB800.h"
-#include "dimmSpd.h"
-
-
-AGESA_STATUS BiosReadSpd (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
-{
- AGESA_STATUS Status;
-#ifdef __PRE_RAM__
- Status = agesa_ReadSPD (Func, Data, ConfigPtr);
-#else
- Status = AGESA_UNSUPPORTED;
-#endif
-
- return Status;
-}
diff --git a/src/northbridge/amd/agesa/family14/fam14_callouts.h b/src/northbridge/amd/agesa/family14/fam14_callouts.h
index f58441aaa3..b9a36fe88c 100644
--- a/src/northbridge/amd/agesa/family14/fam14_callouts.h
+++ b/src/northbridge/amd/agesa/family14/fam14_callouts.h
@@ -24,7 +24,5 @@
#include "Porting.h"
#include "AGESA.h"
-/* AGESA ADVANCED CALLOUTS - MEMORY */
-AGESA_STATUS BiosReadSpd (UINT32 Func,UINT32 Data,VOID *ConfigPtr);
#endif /* CALLOUTS_AMD_AGESA_FAM14_H */
diff --git a/src/northbridge/amd/agesa/family15/dimmSpd.c b/src/northbridge/amd/agesa/family15/dimmSpd.c
index 294454c387..375a968dac 100644
--- a/src/northbridge/amd/agesa/family15/dimmSpd.c
+++ b/src/northbridge/amd/agesa/family15/dimmSpd.c
@@ -25,143 +25,20 @@
#include "Porting.h"
#include "AGESA.h"
#include "amdlib.h"
-#include "dimmSpd.h"
#include "chip.h"
+#include <northbridge/amd/agesa/dimmSpd.h>
+
/* uncomment for source level debug - GDB gets really confused otherwise. */
//#pragma optimize ("", off)
/**
- * Read a single SPD byte. If the first byte is being read, set up the
- * address and offset. Following bytes auto increment.
- */
-static UINT8 readSmbusByte(UINT16 iobase, UINT8 address, char *buffer,
- int offset, int initial_offset)
-{
- unsigned int status = -1;
- UINT64 time_limit;
-
- /* clear status register */
- __outbyte(iobase + SMBUS_STATUS_REG, 0xFF);
- __outbyte(iobase + SMBUS_SLAVE_STATUS_REG, 0x1F);
-
- if (offset == initial_offset) {
- /* Set offset, set slave address and start reading */
- __outbyte(iobase + SMBUS_CONTROL_REG, offset);
- __outbyte(iobase + SMBUS_HOST_CMD_REG, address | READ_BIT);
- __outbyte(iobase + SMBUS_COMMAND_REG, SMBUS_READ_BYTE_COMMAND);
- } else {
- /* Issue read command - auto increments to next byte */
- __outbyte(iobase + SMBUS_COMMAND_REG, SMBUS_READ_COMMAND);
- }
- /* time limit to avoid hanging for unexpected error status */
- time_limit = __rdtsc() + MAX_READ_TSC_COUNT;
- while (__rdtsc() <= time_limit) {
- status = __inbyte(iobase + SMBUS_STATUS_REG);
- if ((status & SMBUS_INTERRUPT_MASK) == 0)
- continue; /* SMBusInterrupt not set, keep waiting */
- if ((status & HOSTBUSY_MASK) != 0)
- continue; /* HostBusy set, keep waiting */
- break;
- }
-
- if (status != STATUS__COMPLETED_SUCCESSFULLY)
- return AGESA_ERROR;
-
- buffer[0] = __inbyte(iobase + SMBUS_DATA0_REG);
- return AGESA_SUCCESS;
-}
-
-/**
- * Write a single smbus byte.
- */
-UINT8 writeSmbusByte(UINT16 iobase, UINT8 address, UINT8 buffer,
- int offset)
-{
- unsigned int status = -1;
- UINT64 time_limit;
-
- /* clear status register */
- __outbyte(iobase + SMBUS_STATUS_REG, 0xFF);
- __outbyte(iobase + SMBUS_SLAVE_STATUS_REG, 0x1F);
-
- /* set offset, set slave address, set data and start writing */
- __outbyte(iobase + SMBUS_CONTROL_REG, offset);
- __outbyte(iobase + SMBUS_HOST_CMD_REG, address & (~READ_BIT));
- __outbyte(iobase + SMBUS_DATA0_REG, buffer);
- __outbyte(iobase + SMBUS_COMMAND_REG, SMBUS_WRITE_BYTE_COMMAND);
-
- /* time limit to avoid hanging for unexpected error status */
- time_limit = __rdtsc() + MAX_READ_TSC_COUNT;
- while (__rdtsc() <= time_limit) {
- status = __inbyte(iobase + SMBUS_STATUS_REG);
- if ((status & SMBUS_INTERRUPT_MASK) == 0)
- continue; /* SMBusInterrupt not set, keep waiting */
- if ((status & HOSTBUSY_MASK) != 0)
- continue; /* HostBusy set, keep waiting */
- break;
- }
-
- if (status != STATUS__COMPLETED_SUCCESSFULLY)
- return AGESA_ERROR;
-
- return AGESA_SUCCESS;
-}
-
-static void setupFch(UINT16 ioBase)
-{
- AMD_CONFIG_PARAMS StdHeader;
- UINT32 PciData32;
- UINT8 PciData8;
- PCI_ADDR PciAddress;
-
- /* Set SMBus MMIO. */
- PciAddress.AddressValue = MAKE_SBDFO (0, 0, 20, 0, 0x90);
- PciData32 = (ioBase & 0xFFFFFFF0) | BIT0;
- LibAmdPciWrite(AccessWidth32, PciAddress, &PciData32, &StdHeader);
-
- /* Enable SMBus MMIO. */
- PciAddress.AddressValue = MAKE_SBDFO (0, 0, 20, 0, 0xD2);
- LibAmdPciRead(AccessWidth8, PciAddress, &PciData8, &StdHeader); ;
- PciData8 |= BIT0;
- LibAmdPciWrite(AccessWidth8, PciAddress, &PciData8, &StdHeader);
-
- /* Set SMBus clock to 400 KHz */
- __outbyte(ioBase + SMBUS_CLOCK_REG, SMBUS_FREQUENCY_CONST / 400000);
-}
-
-/**
- * Read one or more SPD bytes from a DIMM.
- * Start with offset zero and read sequentially.
- * Reads 128 bytes in 7-8 ms at 400 KHz.
- */
-static UINT8 readspd(UINT16 iobase, UINT8 SmbusSlaveAddress, char *buffer,
- UINT16 count)
-{
- UINT16 index;
- UINT8 status;
- UINT8 initial_offset = 0;
-
- setupFch(iobase);
-
- for (index = initial_offset; index < count; index++) {
- status = readSmbusByte(iobase, SmbusSlaveAddress, &buffer[index], index,
- initial_offset);
- if (status != AGESA_SUCCESS)
- return status;
- }
-
- return status;
-}
-
-/**
* Gets the SMBus address for an SPD from the array in devicetree.cb
* then read the SPD into the supplied buffer.
*/
-AGESA_STATUS agesa_ReadSPD(UINT32 unused1, UINT32 unused2, void *infoptr)
+AGESA_STATUS AmdMemoryReadSPD (UINT32 unused1, UINT32 unused2, AGESA_READ_SPD_PARAMS *info)
{
UINT8 spdAddress;
- AGESA_READ_SPD_PARAMS *info = infoptr;
ROMSTAGE_CONST struct device *dev = dev_find_slot(0, PCI_DEVFN(0x18, 2));
ROMSTAGE_CONST struct northbridge_amd_agesa_family15_config *config = NULL;
@@ -182,5 +59,8 @@ AGESA_STATUS agesa_ReadSPD(UINT32 unused1, UINT32 unused2, void *infoptr)
if (spdAddress == 0)
return AGESA_ERROR;
- return readspd(SMBUS0_BASE_ADDRESS, spdAddress, (void *)info->Buffer, 256);
+ int err = smbus_readSpd(spdAddress, (void *) info->Buffer, 256);
+ if (err)
+ return AGESA_ERROR;
+ return AGESA_SUCCESS;
}
diff --git a/src/northbridge/amd/agesa/family15/dimmSpd.h b/src/northbridge/amd/agesa/family15/dimmSpd.h
deleted file mode 100644
index 167b4a1034..0000000000
--- a/src/northbridge/amd/agesa/family15/dimmSpd.h
+++ /dev/null
@@ -1,97 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2011 Advanced Micro Devices, 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.
- *
- * 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., 51 Franklin St, Fifth Floor, Boston, MA02110-1301 USA
- */
-
-/*----------------------------------------------------------------------------------------
- * M O D U L E S U S E D
- *----------------------------------------------------------------------------------------
- */
-
-#ifndef _DIMMSPD_H_
-#define _DIMMSPD_H_
-
-/*----------------------------------------------------------------------------------------
- * D E F I N I T I O N S A N D M A C R O S
- *----------------------------------------------------------------------------------------
- */
-
-#define READ_BIT 0x01
-
-#define SMBUS_INTERRUPT_MASK 0x02
-#define HOSTBUSY_MASK 0x01
-
-#define SMBUS_READ_BYTE_COMMAND 0x48
-#define SMBUS_READ_COMMAND 0x44
-
-#define SMBUS_WRITE_BYTE_COMMAND 0x48
-
-#define MAX_READ_TSC_COUNT (2000000000 / 10)
-
-#define PMIO_INDEX_REG 0xCD6
-#define PMIO_DATA_REG 0xCD7
-
-#define SMBUS_BAR_LOW_BYTE 0x2C
-#define SMBUS_BAR_HIGH_BYTE 0x2D
-
-#define SMBUS_STATUS_REG 0x00
-#define SMBUS_SLAVE_STATUS_REG 0x01
-#define SMBUS_COMMAND_REG 0x02
-#define SMBUS_CONTROL_REG 0x03
-#define SMBUS_HOST_CMD_REG 0x04
-#define SMBUS_DATA0_REG 0x05
-#define SMBUS_CLOCK_REG 0x0E
-
-#define STATUS__COMPLETED_SUCCESSFULLY 0x02
-
-#define SMBUS_FREQUENCY_CONST 66000000 / 4
-/*----------------------------------------------------------------------------------------
- * T Y P E D E F S A N D S T R U C T U R E S
- *----------------------------------------------------------------------------------------
- */
-
-/*----------------------------------------------------------------------------------------
- * P R O T O T Y P E S O F L O C A L F U N C T I O N S
- *----------------------------------------------------------------------------------------
- */
-
-/*----------------------------------------------------------------------------------------
- * E X P O R T E D F U N C T I O N S
- *----------------------------------------------------------------------------------------
- */
-
-AGESA_STATUS
-agesa_ReadSPD (IN UINT32 Func, IN UINT32 Data, IN OUT void *SpdData);
-
-/*
- * This function prototype is only used by the AMD Dinar mainboard. The SMBus
- * write is used to select which socket's SPD will be read by the subsequent
- * SPD read call. This function is being placed in the F15 wrapper code with
- * the other SPD read functions because the next step of the SPD read clean-up
- * will be to move the SMBus read/write functions into the southbridge to make
- * them more generic. Having the writeSmbusByte() function in the same file as
- * the readSmbusByte() function will ensure that the writeSmbusByte() function
- * is not overlooked.
- */
-UINT8 writeSmbusByte(UINT16 iobase, UINT8 address, UINT8 buffer, int offset);
-
-/*---------------------------------------------------------------------------------------
- * L O C A L F U N C T I O N S
- *---------------------------------------------------------------------------------------
- */
-
-#endif
diff --git a/src/northbridge/amd/agesa/family15/fam15_callouts.c b/src/northbridge/amd/agesa/family15/fam15_callouts.c
index 3b6549224b..a049a0e6dc 100644
--- a/src/northbridge/amd/agesa/family15/fam15_callouts.c
+++ b/src/northbridge/amd/agesa/family15/fam15_callouts.c
@@ -23,5 +23,4 @@
#include "Ids.h"
#include "OptionsIds.h"
#include "heapManager.h"
-#include <northbridge/amd/agesa/family15/dimmSpd.h>
#include <arch/io.h>
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-30 05:27:55 +0000