Kyösti Mälkki (kyosti.malkki@gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/7112
-gerrit
commit 6294da7daddf3b91a013f20ea65f16a8317d46a1 Author: Kyösti Mälkki kyosti.malkki@gmail.com Date: Fri Oct 17 22:33:22 2014 +0300
AGESA fam15tn fam16kb 00730f01: Add common agesa_readSpd()
Remove northbridge specific callouts for AGESA_READ_SPD.
Move low-level SMBus code to southbridge.
Change-Id: I3e272389e2a7db542fb48fca8606325af27b65a5 Signed-off-by: Kyösti Mälkki kyosti.malkki@gmail.com --- src/mainboard/amd/olivehill/BiosCallOuts.c | 2 +- src/mainboard/amd/olivehillplus/BiosCallOuts.c | 2 +- src/mainboard/amd/parmer/BiosCallOuts.c | 2 +- src/mainboard/amd/thatcher/BiosCallOuts.c | 2 +- src/mainboard/asrock/imb-a180/BiosCallOuts.c | 2 +- src/mainboard/asus/f2a85-m/BiosCallOuts.c | 2 +- src/mainboard/hp/pavilion_m6_1035dx/BiosCallOuts.c | 2 +- src/northbridge/amd/agesa/00730F01/Makefile.inc | 1 - .../amd/agesa/00730F01/callouts_for_00730F01.c | 8 -- .../amd/agesa/00730F01/callouts_for_00730F01.h | 1 - src/northbridge/amd/agesa/00730F01/dimmSpd.c | 132 ++---------------- src/northbridge/amd/agesa/00730F01/dimmSpd.h | 26 ---- src/northbridge/amd/agesa/def_callouts.c | 10 ++ src/northbridge/amd/agesa/def_callouts.h | 1 + src/northbridge/amd/agesa/dimmSpd.h | 30 ++++ src/northbridge/amd/agesa/family15tn/Makefile.inc | 1 - src/northbridge/amd/agesa/family15tn/dimmSpd.c | 119 ++-------------- src/northbridge/amd/agesa/family15tn/dimmSpd.h | 56 -------- .../amd/agesa/family15tn/fam15tn_callouts.c | 9 -- .../amd/agesa/family15tn/fam15tn_callouts.h | 2 - src/northbridge/amd/agesa/family16kb/Makefile.inc | 1 - src/northbridge/amd/agesa/family16kb/dimmSpd.c | 119 ++-------------- src/northbridge/amd/agesa/family16kb/dimmSpd.h | 56 -------- .../amd/agesa/family16kb/fam16kb_callouts.c | 8 -- .../amd/agesa/family16kb/fam16kb_callouts.h | 2 - src/southbridge/amd/agesa/hudson/Makefile.inc | 2 +- src/southbridge/amd/agesa/hudson/smbus_spd.c | 152 +++++++++++++++++++++ 27 files changed, 228 insertions(+), 522 deletions(-)
diff --git a/src/mainboard/amd/olivehill/BiosCallOuts.c b/src/mainboard/amd/olivehill/BiosCallOuts.c index 09e4169..bb43e19 100644 --- a/src/mainboard/amd/olivehill/BiosCallOuts.c +++ b/src/mainboard/amd/olivehill/BiosCallOuts.c @@ -37,8 +37,8 @@ const BIOS_CALLOUT_STRUCT BiosCallouts[] = {AGESA_ALLOCATE_BUFFER, agesa_AllocateBuffer }, {AGESA_DEALLOCATE_BUFFER, agesa_DeallocateBuffer }, {AGESA_LOCATE_BUFFER, agesa_LocateBuffer }, - {AGESA_READ_SPD, fam16kb_ReadSpd }, {AGESA_DO_RESET, agesa_Reset }, + {AGESA_READ_SPD, agesa_ReadSpd }, {AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported }, {AGESA_RUNFUNC_ONAP, agesa_RunFuncOnAp }, {AGESA_GET_IDS_INIT_DATA, agesa_EmptyIdsInitData }, diff --git a/src/mainboard/amd/olivehillplus/BiosCallOuts.c b/src/mainboard/amd/olivehillplus/BiosCallOuts.c index 719edf2..88e316b 100644 --- a/src/mainboard/amd/olivehillplus/BiosCallOuts.c +++ b/src/mainboard/amd/olivehillplus/BiosCallOuts.c @@ -37,7 +37,7 @@ const BIOS_CALLOUT_STRUCT BiosCallouts[] = {AGESA_ALLOCATE_BUFFER, agesa_AllocateBuffer }, {AGESA_DEALLOCATE_BUFFER, agesa_DeallocateBuffer }, {AGESA_LOCATE_BUFFER, agesa_LocateBuffer }, - {AGESA_READ_SPD, ReadSpd_00730F01 }, + {AGESA_READ_SPD, agesa_ReadSpd }, {AGESA_DO_RESET, agesa_Reset }, {AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported }, {AGESA_RUNFUNC_ONAP, agesa_RunFuncOnAp }, diff --git a/src/mainboard/amd/parmer/BiosCallOuts.c b/src/mainboard/amd/parmer/BiosCallOuts.c index 67ae05f..9d7ab0b 100644 --- a/src/mainboard/amd/parmer/BiosCallOuts.c +++ b/src/mainboard/amd/parmer/BiosCallOuts.c @@ -37,8 +37,8 @@ const BIOS_CALLOUT_STRUCT BiosCallouts[] = {AGESA_ALLOCATE_BUFFER, agesa_AllocateBuffer }, {AGESA_DEALLOCATE_BUFFER, agesa_DeallocateBuffer }, {AGESA_LOCATE_BUFFER, agesa_LocateBuffer }, - {AGESA_READ_SPD, fam15tn_ReadSpd }, {AGESA_DO_RESET, agesa_Reset }, + {AGESA_READ_SPD, agesa_ReadSpd }, {AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported }, {AGESA_RUNFUNC_ONAP, agesa_RunFuncOnAp }, {AGESA_GET_IDS_INIT_DATA, agesa_EmptyIdsInitData }, diff --git a/src/mainboard/amd/thatcher/BiosCallOuts.c b/src/mainboard/amd/thatcher/BiosCallOuts.c index 0e5539a..921fcf4 100644 --- a/src/mainboard/amd/thatcher/BiosCallOuts.c +++ b/src/mainboard/amd/thatcher/BiosCallOuts.c @@ -37,8 +37,8 @@ const BIOS_CALLOUT_STRUCT BiosCallouts[] = {AGESA_ALLOCATE_BUFFER, agesa_AllocateBuffer }, {AGESA_DEALLOCATE_BUFFER, agesa_DeallocateBuffer }, {AGESA_LOCATE_BUFFER, agesa_LocateBuffer }, - {AGESA_READ_SPD, fam15tn_ReadSpd }, {AGESA_DO_RESET, agesa_Reset }, + {AGESA_READ_SPD, agesa_ReadSpd }, {AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported }, {AGESA_RUNFUNC_ONAP, agesa_RunFuncOnAp }, {AGESA_GET_IDS_INIT_DATA, agesa_EmptyIdsInitData }, diff --git a/src/mainboard/asrock/imb-a180/BiosCallOuts.c b/src/mainboard/asrock/imb-a180/BiosCallOuts.c index 8ee56b4..54ba216 100644 --- a/src/mainboard/asrock/imb-a180/BiosCallOuts.c +++ b/src/mainboard/asrock/imb-a180/BiosCallOuts.c @@ -35,8 +35,8 @@ const BIOS_CALLOUT_STRUCT BiosCallouts[] = {AGESA_ALLOCATE_BUFFER, agesa_AllocateBuffer }, {AGESA_DEALLOCATE_BUFFER, agesa_DeallocateBuffer }, {AGESA_LOCATE_BUFFER, agesa_LocateBuffer }, - {AGESA_READ_SPD, fam16kb_ReadSpd }, {AGESA_DO_RESET, agesa_Reset }, + {AGESA_READ_SPD, agesa_ReadSpd }, {AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported }, {AGESA_RUNFUNC_ONAP, agesa_RunFuncOnAp }, {AGESA_GET_IDS_INIT_DATA, agesa_EmptyIdsInitData }, diff --git a/src/mainboard/asus/f2a85-m/BiosCallOuts.c b/src/mainboard/asus/f2a85-m/BiosCallOuts.c index 0c56823..be90170 100644 --- a/src/mainboard/asus/f2a85-m/BiosCallOuts.c +++ b/src/mainboard/asus/f2a85-m/BiosCallOuts.c @@ -32,8 +32,8 @@ const BIOS_CALLOUT_STRUCT BiosCallouts[] = {AGESA_ALLOCATE_BUFFER, agesa_AllocateBuffer }, {AGESA_DEALLOCATE_BUFFER, agesa_DeallocateBuffer }, {AGESA_LOCATE_BUFFER, agesa_LocateBuffer }, - {AGESA_READ_SPD, fam15tn_ReadSpd }, {AGESA_DO_RESET, agesa_Reset }, + {AGESA_READ_SPD, agesa_ReadSpd }, {AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported }, {AGESA_RUNFUNC_ONAP, agesa_RunFuncOnAp }, {AGESA_GET_IDS_INIT_DATA, agesa_EmptyIdsInitData }, diff --git a/src/mainboard/hp/pavilion_m6_1035dx/BiosCallOuts.c b/src/mainboard/hp/pavilion_m6_1035dx/BiosCallOuts.c index adfa4e4..ad3f041 100644 --- a/src/mainboard/hp/pavilion_m6_1035dx/BiosCallOuts.c +++ b/src/mainboard/hp/pavilion_m6_1035dx/BiosCallOuts.c @@ -33,8 +33,8 @@ const BIOS_CALLOUT_STRUCT BiosCallouts[] = {AGESA_ALLOCATE_BUFFER, agesa_AllocateBuffer }, {AGESA_DEALLOCATE_BUFFER, agesa_DeallocateBuffer }, {AGESA_LOCATE_BUFFER, agesa_LocateBuffer }, - {AGESA_READ_SPD, fam15tn_ReadSpd }, {AGESA_DO_RESET, agesa_Reset }, + {AGESA_READ_SPD, agesa_ReadSpd }, {AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported }, {AGESA_RUNFUNC_ONAP, agesa_RunFuncOnAp }, {AGESA_GET_IDS_INIT_DATA, agesa_EmptyIdsInitData }, diff --git a/src/northbridge/amd/agesa/00730F01/Makefile.inc b/src/northbridge/amd/agesa/00730F01/Makefile.inc index b56b541..08f94bf 100644 --- a/src/northbridge/amd/agesa/00730F01/Makefile.inc +++ b/src/northbridge/amd/agesa/00730F01/Makefile.inc @@ -22,4 +22,3 @@ romstage-y += dimmSpd.c
ramstage-y += northbridge.c ramstage-y += callouts_for_00730F01.c -ramstage-y += dimmSpd.c diff --git a/src/northbridge/amd/agesa/00730F01/callouts_for_00730F01.c b/src/northbridge/amd/agesa/00730F01/callouts_for_00730F01.c index 91bf338..75f1849 100644 --- a/src/northbridge/amd/agesa/00730F01/callouts_for_00730F01.c +++ b/src/northbridge/amd/agesa/00730F01/callouts_for_00730F01.c @@ -24,14 +24,6 @@ #include "heapManager.h" #include "FchPlatform.h" #include "cbfs.h" -#include "dimmSpd.h" #include "callouts_for_00730F01.h" #include "northbridge/amd/agesa/def_callouts.h"
-AGESA_STATUS ReadSpd_00730F01 (UINT32 Func, UINT32 Data, VOID *ConfigPtr) -{ - AGESA_STATUS Status; - Status = AmdMemoryReadSPD (Func, Data, ConfigPtr); - - return Status; -} diff --git a/src/northbridge/amd/agesa/00730F01/callouts_for_00730F01.h b/src/northbridge/amd/agesa/00730F01/callouts_for_00730F01.h index 4bf27f8..31bd721 100644 --- a/src/northbridge/amd/agesa/00730F01/callouts_for_00730F01.h +++ b/src/northbridge/amd/agesa/00730F01/callouts_for_00730F01.h @@ -23,6 +23,5 @@ #include "Porting.h" #include "AGESA.h"
-AGESA_STATUS ReadSpd_00730F01 (UINT32 Func, UINT32 Data, VOID *ConfigPtr);
#endif /* CALLOUTS_AMD_AGESA_FAM16_0X30_H */ diff --git a/src/northbridge/amd/agesa/00730F01/dimmSpd.c b/src/northbridge/amd/agesa/00730F01/dimmSpd.c index d31f721..4cfbb7f 100644 --- a/src/northbridge/amd/agesa/00730F01/dimmSpd.c +++ b/src/northbridge/amd/agesa/00730F01/dimmSpd.c @@ -24,132 +24,15 @@ #include "Porting.h" #include "AGESA.h" #include "amdlib.h" -#include "dimmSpd.h" #include "chip.h"
+#include "northbridge/amd/agesa/dimmSpd.h"
#define DIMENSION(array)(sizeof (array)/ sizeof (array [0]))
-/*----------------------------------------------------------------------------- - * - * readSmbusByteData - read a single SPD byte from any offset - */ - -static int readSmbusByteData (int iobase, int address, char *buffer, int offset) -{ - unsigned int 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 int readSmbusByte (int iobase, int address, char *buffer) -{ - unsigned int 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 int readspd (int iobase, int SmbusSlaveAddress, char *buffer, int count) -{ - int index, error; - - printk(BIOS_SPEW, "-------------READING SPD-----------\n"); - printk(BIOS_SPEW, "iobase: 0x%08X, SmbusSlave: 0x%08X, count: %d\n", - iobase, SmbusSlaveAddress, count); - - /* read the first byte using offset zero */ - error = readSmbusByteData (iobase, SmbusSlaveAddress, buffer, 0); - - if (error) { - printk(BIOS_ERR, "-------------SPD READ ERROR-----------\n"); - return error; - } - - /* read the remaining bytes using auto-increment for speed */ - for (index = 1; index < count; index++) - { - error = readSmbusByte (iobase, SmbusSlaveAddress, &buffer [index]); - if (error) { - printk(BIOS_ERR, "-------------SPD READ ERROR-----------\n"); - return error; - } - } - printk(BIOS_SPEW, "\n"); - printk(BIOS_SPEW, "-------------FINISHED READING SPD-----------\n"); - - return 0; -} - -static void writePmReg (int reg, int data) -{ - __outbyte (0xCD6, reg); - __outbyte (0xCD7, data); -} - -static void setupFch (int ioBase) -{ - writePmReg (0x2D, ioBase >> 8); - writePmReg (0x2C, ioBase | 1); - __outbyte (ioBase + 0x0E, 66000000 / 400000 / 4); // set SMBus clock to 400 KHz -} - AGESA_STATUS AmdMemoryReadSPD (UINT32 unused1, UINT32 unused2, AGESA_READ_SPD_PARAMS *info) { - int spdAddress, ioBase; + int spdAddress; ROMSTAGE_CONST struct device *dev = dev_find_slot(0, PCI_DEVFN(0x18, 2)); ROMSTAGE_CONST struct northbridge_amd_agesa_00730F01_config *config = dev->chip_info;
@@ -166,8 +49,11 @@ AGESA_STATUS AmdMemoryReadSPD (UINT32 unused1, UINT32 unused2, AGESA_READ_SPD_PA spdAddress = config->spdAddrLookup [info->SocketId] [info->MemChannelId] [info->DimmId];
- if (spdAddress == 0) return AGESA_ERROR; - ioBase = 0xB00; - setupFch (ioBase); - return readspd (ioBase, spdAddress, (void *) info->Buffer, 128); + if (spdAddress == 0) + return AGESA_ERROR; + + int err = hudson_readSpd(spdAddress, (void *) info->Buffer, 128); + if (err) + return AGESA_ERROR; + return AGESA_SUCCESS; } diff --git a/src/northbridge/amd/agesa/00730F01/dimmSpd.h b/src/northbridge/amd/agesa/00730F01/dimmSpd.h deleted file mode 100644 index 667fe26..0000000 --- a/src/northbridge/amd/agesa/00730F01/dimmSpd.h +++ /dev/null @@ -1,26 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2012 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 - */ - -#ifndef _DIMMSPD_H_ -#define _DIMMSPD_H_ - -AGESA_STATUS -AmdMemoryReadSPD (IN UINT32 Func, IN UINT32 Data, IN OUT AGESA_READ_SPD_PARAMS *SpdData); - -#endif diff --git a/src/northbridge/amd/agesa/def_callouts.c b/src/northbridge/amd/agesa/def_callouts.c index c8b74d4..fd8e373 100644 --- a/src/northbridge/amd/agesa/def_callouts.c +++ b/src/northbridge/amd/agesa/def_callouts.c @@ -26,6 +26,7 @@ #include "Ids.h" #include "agesawrapper.h" #include "def_callouts.h" +#include "dimmSpd.h"
AGESA_STATUS GetBiosCallout (UINT32 Func, UINT32 Data, VOID *ConfigPtr) { @@ -116,6 +117,15 @@ AGESA_STATUS agesa_GfxGetVbiosImage(UINT32 Func, UINT32 FchData, VOID *ConfigPrt } #endif
+AGESA_STATUS agesa_ReadSpd (UINT32 Func, UINT32 Data, VOID *ConfigPtr) +{ + AGESA_STATUS Status = AGESA_UNSUPPORTED; +#ifdef __PRE_RAM__ + Status = AmdMemoryReadSPD (Func, Data, ConfigPtr); +#endif + return Status; +} + AGESA_STATUS agesa_ReadSpd_from_cbfs(UINT32 Func, UINT32 Data, VOID *ConfigPtr) { AGESA_STATUS Status = AGESA_UNSUPPORTED; diff --git a/src/northbridge/amd/agesa/def_callouts.h b/src/northbridge/amd/agesa/def_callouts.h index 2d23f3e..60299b7 100644 --- a/src/northbridge/amd/agesa/def_callouts.h +++ b/src/northbridge/amd/agesa/def_callouts.h @@ -64,6 +64,7 @@ AGESA_STATUS agesa_Reset (UINT32 Func, UINT32 Data, VOID *ConfigPtr); AGESA_STATUS agesa_RunFuncOnAp (UINT32 Func, UINT32 Data, VOID *ConfigPtr); AGESA_STATUS agesa_GfxGetVbiosImage(UINT32 Func, UINT32 FchData, VOID *ConfigPrt);
+AGESA_STATUS agesa_ReadSpd (UINT32 Func, UINT32 Data, VOID *ConfigPtr); AGESA_STATUS agesa_ReadSpd_from_cbfs(UINT32 Func, UINT32 Data, VOID *ConfigPtr);
AGESA_STATUS GetBiosCallout (UINT32 Func, UINT32 Data, VOID *ConfigPtr); diff --git a/src/northbridge/amd/agesa/dimmSpd.h b/src/northbridge/amd/agesa/dimmSpd.h new file mode 100644 index 0000000..3af6720 --- /dev/null +++ b/src/northbridge/amd/agesa/dimmSpd.h @@ -0,0 +1,30 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 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 + */ + +#ifndef _DIMMSPD_H_ +#define _DIMMSPD_H_ + +AGESA_STATUS +AmdMemoryReadSPD (IN UINT32 Func, IN UINT32 Data, IN OUT AGESA_READ_SPD_PARAMS *SpdData); + +int hudson_readSpd(int spdAddress, char *buf, size_t len); + +int smbus_readSpd(int spdAddress, char *buf, size_t len); + +#endif diff --git a/src/northbridge/amd/agesa/family15tn/Makefile.inc b/src/northbridge/amd/agesa/family15tn/Makefile.inc index afec3c0..c4d4b0d 100644 --- a/src/northbridge/amd/agesa/family15tn/Makefile.inc +++ b/src/northbridge/amd/agesa/family15tn/Makefile.inc @@ -23,4 +23,3 @@ romstage-y += dimmSpd.c ramstage-y += iommu.c ramstage-y += northbridge.c ramstage-y += fam15tn_callouts.c -ramstage-y += dimmSpd.c diff --git a/src/northbridge/amd/agesa/family15tn/dimmSpd.c b/src/northbridge/amd/agesa/family15tn/dimmSpd.c index 5b8a9b5..4d5ab5f 100644 --- a/src/northbridge/amd/agesa/family15tn/dimmSpd.c +++ b/src/northbridge/amd/agesa/family15tn/dimmSpd.c @@ -24,119 +24,15 @@ #include "Porting.h" #include "AGESA.h" #include "amdlib.h" -#include "dimmSpd.h" #include "chip.h"
+#include "northbridge/amd/agesa/dimmSpd.h"
#define DIMENSION(array)(sizeof (array)/ sizeof (array [0]))
-/*----------------------------------------------------------------------------- - * - * readSmbusByteData - read a single SPD byte from any offset - */ - -static int readSmbusByteData (int iobase, int address, char *buffer, int offset) -{ - unsigned int 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 int readSmbusByte (int iobase, int address, char *buffer) -{ - unsigned int 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 int readspd (int iobase, int SmbusSlaveAddress, char *buffer, int count) -{ - int index, error; - - /* read the first byte using offset zero */ - error = readSmbusByteData (iobase, SmbusSlaveAddress, buffer, 0); - if (error) return error; - - /* read the remaining bytes using auto-increment for speed */ - for (index = 1; index < count; index++) - { - error = readSmbusByte (iobase, SmbusSlaveAddress, &buffer [index]); - if (error) return error; - } - - return 0; -} - -static void writePmReg (int reg, int data) -{ - __outbyte (0xCD6, reg); - __outbyte (0xCD7, data); -} - -static void setupFch (int ioBase) -{ - writePmReg (0x2D, ioBase >> 8); - writePmReg (0x2C, ioBase | 1); - __outbyte (ioBase + 0x0E, 66000000 / 400000 / 4); // set SMBus clock to 400 KHz -} - AGESA_STATUS AmdMemoryReadSPD (UINT32 unused1, UINT32 unused2, AGESA_READ_SPD_PARAMS *info) { - int spdAddress, ioBase; + int spdAddress; ROMSTAGE_CONST struct device *dev = dev_find_slot(0, PCI_DEVFN(0x18, 2)); ROMSTAGE_CONST struct northbridge_amd_agesa_family15tn_config *config = dev->chip_info;
@@ -153,8 +49,11 @@ AGESA_STATUS AmdMemoryReadSPD (UINT32 unused1, UINT32 unused2, AGESA_READ_SPD_PA spdAddress = config->spdAddrLookup [info->SocketId] [info->MemChannelId] [info->DimmId];
- if (spdAddress == 0) return AGESA_ERROR; - ioBase = 0xB00; - setupFch (ioBase); - return readspd (ioBase, spdAddress, (void *) info->Buffer, 128); + if (spdAddress == 0) + return AGESA_ERROR; + + int err = hudson_readSpd(spdAddress, (void *) info->Buffer, 128); + if (err) + return AGESA_ERROR; + return AGESA_SUCCESS; } diff --git a/src/northbridge/amd/agesa/family15tn/dimmSpd.h b/src/northbridge/amd/agesa/family15tn/dimmSpd.h deleted file mode 100644 index e50d53e..0000000 --- a/src/northbridge/amd/agesa/family15tn/dimmSpd.h +++ /dev/null @@ -1,56 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2012 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_ - -/*---------------------------------------------------------------------------------------- - * 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/family15tn/fam15tn_callouts.c b/src/northbridge/amd/agesa/family15tn/fam15tn_callouts.c index 3cd81c6..287cb97 100644 --- a/src/northbridge/amd/agesa/family15tn/fam15tn_callouts.c +++ b/src/northbridge/amd/agesa/family15tn/fam15tn_callouts.c @@ -24,14 +24,5 @@ #include "heapManager.h" #include "FchPlatform.h" #include "cbfs.h" -#include "dimmSpd.h" #include "fam15tn_callouts.h"
- -AGESA_STATUS fam15tn_ReadSpd (UINT32 Func, UINT32 Data, VOID *ConfigPtr) -{ - AGESA_STATUS Status; - Status = AmdMemoryReadSPD (Func, Data, ConfigPtr); - - return Status; -} diff --git a/src/northbridge/amd/agesa/family15tn/fam15tn_callouts.h b/src/northbridge/amd/agesa/family15tn/fam15tn_callouts.h index 6864b50..d6d265e 100644 --- a/src/northbridge/amd/agesa/family15tn/fam15tn_callouts.h +++ b/src/northbridge/amd/agesa/family15tn/fam15tn_callouts.h @@ -24,6 +24,4 @@ #include "AGESA.h"
-AGESA_STATUS fam15tn_ReadSpd (UINT32 Func, UINT32 Data, VOID *ConfigPtr); - #endif /* CALLOUTS_AMD_AGESA_FAM15TN_H */ diff --git a/src/northbridge/amd/agesa/family16kb/Makefile.inc b/src/northbridge/amd/agesa/family16kb/Makefile.inc index fe9d3bc..2fa4736 100644 --- a/src/northbridge/amd/agesa/family16kb/Makefile.inc +++ b/src/northbridge/amd/agesa/family16kb/Makefile.inc @@ -22,4 +22,3 @@ romstage-y += dimmSpd.c
ramstage-y += northbridge.c ramstage-y += fam16kb_callouts.c -ramstage-y += dimmSpd.c diff --git a/src/northbridge/amd/agesa/family16kb/dimmSpd.c b/src/northbridge/amd/agesa/family16kb/dimmSpd.c index 1d9363c..8991bdb 100644 --- a/src/northbridge/amd/agesa/family16kb/dimmSpd.c +++ b/src/northbridge/amd/agesa/family16kb/dimmSpd.c @@ -24,119 +24,15 @@ #include "Porting.h" #include "AGESA.h" #include "amdlib.h" -#include "dimmSpd.h" #include "chip.h"
+#include "northbridge/amd/agesa/dimmSpd.h"
#define DIMENSION(array)(sizeof (array)/ sizeof (array [0]))
-/*----------------------------------------------------------------------------- - * - * readSmbusByteData - read a single SPD byte from any offset - */ - -static int readSmbusByteData (int iobase, int address, char *buffer, int offset) -{ - unsigned int 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 int readSmbusByte (int iobase, int address, char *buffer) -{ - unsigned int 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 int readspd (int iobase, int SmbusSlaveAddress, char *buffer, int count) -{ - int index, error; - - /* read the first byte using offset zero */ - error = readSmbusByteData (iobase, SmbusSlaveAddress, buffer, 0); - if (error) return error; - - /* read the remaining bytes using auto-increment for speed */ - for (index = 1; index < count; index++) - { - error = readSmbusByte (iobase, SmbusSlaveAddress, &buffer [index]); - if (error) return error; - } - - return 0; -} - -static void writePmReg (int reg, int data) -{ - __outbyte (0xCD6, reg); - __outbyte (0xCD7, data); -} - -static void setupFch (int ioBase) -{ - writePmReg (0x2D, ioBase >> 8); - writePmReg (0x2C, ioBase | 1); - __outbyte (ioBase + 0x0E, 66000000 / 400000 / 4); // set SMBus clock to 400 KHz -} - AGESA_STATUS AmdMemoryReadSPD (UINT32 unused1, UINT32 unused2, AGESA_READ_SPD_PARAMS *info) { - int spdAddress, ioBase; + int spdAddress; ROMSTAGE_CONST struct device *dev = dev_find_slot(0, PCI_DEVFN(0x18, 2)); ROMSTAGE_CONST struct northbridge_amd_agesa_family16kb_config *config = dev->chip_info;
@@ -153,8 +49,11 @@ AGESA_STATUS AmdMemoryReadSPD (UINT32 unused1, UINT32 unused2, AGESA_READ_SPD_PA spdAddress = config->spdAddrLookup [info->SocketId] [info->MemChannelId] [info->DimmId];
- if (spdAddress == 0) return AGESA_ERROR; - ioBase = 0xB00; - setupFch (ioBase); - return readspd (ioBase, spdAddress, (void *) info->Buffer, 128); + if (spdAddress == 0) + return AGESA_ERROR; + + int err = hudson_readSpd(spdAddress, (void *) info->Buffer, 128); + if (err) + return AGESA_ERROR; + return AGESA_SUCCESS; } diff --git a/src/northbridge/amd/agesa/family16kb/dimmSpd.h b/src/northbridge/amd/agesa/family16kb/dimmSpd.h deleted file mode 100644 index e50d53e..0000000 --- a/src/northbridge/amd/agesa/family16kb/dimmSpd.h +++ /dev/null @@ -1,56 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2012 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_ - -/*---------------------------------------------------------------------------------------- - * 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/family16kb/fam16kb_callouts.c b/src/northbridge/amd/agesa/family16kb/fam16kb_callouts.c index 87e2dc8..2e1cd3d 100644 --- a/src/northbridge/amd/agesa/family16kb/fam16kb_callouts.c +++ b/src/northbridge/amd/agesa/family16kb/fam16kb_callouts.c @@ -24,16 +24,8 @@ #include "heapManager.h" #include "FchPlatform.h" #include "cbfs.h" -#include "dimmSpd.h" #include "fam16kb_callouts.h"
-AGESA_STATUS fam16kb_ReadSpd (UINT32 Func, UINT32 Data, VOID *ConfigPtr) -{ - AGESA_STATUS Status; - Status = AmdMemoryReadSPD (Func, Data, ConfigPtr); - - return Status; -} diff --git a/src/northbridge/amd/agesa/family16kb/fam16kb_callouts.h b/src/northbridge/amd/agesa/family16kb/fam16kb_callouts.h index c83ae27..debdc4b 100644 --- a/src/northbridge/amd/agesa/family16kb/fam16kb_callouts.h +++ b/src/northbridge/amd/agesa/family16kb/fam16kb_callouts.h @@ -24,6 +24,4 @@ #include "AGESA.h"
-AGESA_STATUS fam16kb_ReadSpd (UINT32 Func, UINT32 Data, VOID *ConfigPtr); - #endif /* CALLOUTS_AMD_AGESA_FAM16KB_H */ diff --git a/src/southbridge/amd/agesa/hudson/Makefile.inc b/src/southbridge/amd/agesa/hudson/Makefile.inc index 6ed0ff6..eb02936 100644 --- a/src/southbridge/amd/agesa/hudson/Makefile.inc +++ b/src/southbridge/amd/agesa/hudson/Makefile.inc @@ -30,7 +30,7 @@
INCLUDES += -Isrc/southbridge/amd/agesa/hudson
-romstage-y += smbus.c +romstage-y += smbus.c smbus_spd.c ramstage-y += hudson.c ramstage-y += usb.c ramstage-y += lpc.c diff --git a/src/southbridge/amd/agesa/hudson/smbus_spd.c b/src/southbridge/amd/agesa/hudson/smbus_spd.c new file mode 100644 index 0000000..32e00d6 --- /dev/null +++ b/src/southbridge/amd/agesa/hudson/smbus_spd.c @@ -0,0 +1,152 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 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 + */ + +#include <device/pci_def.h> +#include <device/device.h> + +/* warning: Porting.h includes an open #pragma pack(1) */ +#include "Porting.h" +#include "AGESA.h" +#include "amdlib.h" + +#include <northbridge/amd/agesa/dimmSpd.h> + +/*----------------------------------------------------------------------------- + * + * readSmbusByteData - read a single SPD byte from any offset + */ + +static int readSmbusByteData (int iobase, int address, char *buffer, int offset) +{ + unsigned int 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 int readSmbusByte (int iobase, int address, char *buffer) +{ + unsigned int 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 int readspd (int iobase, int SmbusSlaveAddress, char *buffer, int count) +{ + int index, error; + + printk(BIOS_SPEW, "-------------READING SPD-----------\n"); + printk(BIOS_SPEW, "iobase: 0x%08X, SmbusSlave: 0x%08X, count: %d\n", + iobase, SmbusSlaveAddress, count); + + /* read the first byte using offset zero */ + error = readSmbusByteData (iobase, SmbusSlaveAddress, buffer, 0); + + if (error) { + printk(BIOS_ERR, "-------------SPD READ ERROR-----------\n"); + return error; + } + + /* read the remaining bytes using auto-increment for speed */ + for (index = 1; index < count; index++) + { + error = readSmbusByte (iobase, SmbusSlaveAddress, &buffer [index]); + if (error) { + printk(BIOS_ERR, "-------------SPD READ ERROR-----------\n"); + return error; + } + } + printk(BIOS_SPEW, "\n"); + printk(BIOS_SPEW, "-------------FINISHED READING SPD-----------\n"); + + return 0; +} + +static void writePmReg (int reg, int data) +{ + __outbyte (0xCD6, reg); + __outbyte (0xCD7, data); +} + +static void setupFch (int ioBase) +{ + writePmReg (0x2D, ioBase >> 8); + writePmReg (0x2C, ioBase | 1); + __outbyte (ioBase + 0x0E, 66000000 / 400000 / 4); // set SMBus clock to 400 KHz +} + +int hudson_readSpd(int spdAddress, char *buf, size_t len) +{ + int ioBase = 0xB00; + setupFch (ioBase); + return readspd (ioBase, spdAddress, buf, len); +}