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authorKyösti Mälkki <kyosti.malkki@gmail.com>2014-10-17 22:33:22 +0300
committerKyösti Mälkki <kyosti.malkki@gmail.com>2014-10-19 06:18:39 +0200
commitc5cc9f233c9b2a1decf57b6e51438d03152fe54e (patch)
treedb228db39fe95d0fc99d5e913424abb44e1558c2
parentf5f9e38d124d97698cc1c6dad3219d6834902203 (diff)
downloadcoreboot-c5cc9f233c9b2a1decf57b6e51438d03152fe54e.tar.xz
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> Reviewed-on: http://review.coreboot.org/7112 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
-rw-r--r--src/mainboard/amd/olivehill/BiosCallOuts.c2
-rw-r--r--src/mainboard/amd/olivehillplus/BiosCallOuts.c2
-rw-r--r--src/mainboard/amd/parmer/BiosCallOuts.c2
-rw-r--r--src/mainboard/amd/thatcher/BiosCallOuts.c2
-rw-r--r--src/mainboard/asrock/imb-a180/BiosCallOuts.c2
-rw-r--r--src/mainboard/asus/f2a85-m/BiosCallOuts.c2
-rw-r--r--src/mainboard/hp/pavilion_m6_1035dx/BiosCallOuts.c2
-rw-r--r--src/northbridge/amd/agesa/00730F01/Makefile.inc1
-rw-r--r--src/northbridge/amd/agesa/00730F01/callouts_for_00730F01.c8
-rw-r--r--src/northbridge/amd/agesa/00730F01/callouts_for_00730F01.h1
-rw-r--r--src/northbridge/amd/agesa/00730F01/dimmSpd.c132
-rw-r--r--src/northbridge/amd/agesa/def_callouts.c10
-rw-r--r--src/northbridge/amd/agesa/def_callouts.h1
-rw-r--r--src/northbridge/amd/agesa/dimmSpd.h (renamed from src/northbridge/amd/agesa/00730F01/dimmSpd.h)4
-rw-r--r--src/northbridge/amd/agesa/family15tn/Makefile.inc1
-rw-r--r--src/northbridge/amd/agesa/family15tn/dimmSpd.c119
-rw-r--r--src/northbridge/amd/agesa/family15tn/dimmSpd.h56
-rw-r--r--src/northbridge/amd/agesa/family15tn/fam15tn_callouts.c9
-rw-r--r--src/northbridge/amd/agesa/family15tn/fam15tn_callouts.h2
-rw-r--r--src/northbridge/amd/agesa/family16kb/Makefile.inc1
-rw-r--r--src/northbridge/amd/agesa/family16kb/dimmSpd.c119
-rw-r--r--src/northbridge/amd/agesa/family16kb/dimmSpd.h56
-rw-r--r--src/northbridge/amd/agesa/family16kb/fam16kb_callouts.c8
-rw-r--r--src/northbridge/amd/agesa/family16kb/fam16kb_callouts.h2
-rw-r--r--src/southbridge/amd/agesa/hudson/Makefile.inc2
-rw-r--r--src/southbridge/amd/agesa/hudson/smbus_spd.c152
26 files changed, 202 insertions, 496 deletions
diff --git a/src/mainboard/amd/olivehill/BiosCallOuts.c b/src/mainboard/amd/olivehill/BiosCallOuts.c
index 09e416969e..bb43e19e1d 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 719edf2030..88e316b79e 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 67ae05f331..9d7ab0b785 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 0e5539adc4..921fcf4ac5 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 8ee56b418d..54ba2168f4 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 0c56823211..be901706eb 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 adfa4e4ef5..ad3f041b6c 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 b56b541970..08f94bf46a 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 91bf338bdd..75f1849afe 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 4bf27f890d..31bd721038 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 d31f7215c7..4cfbb7fec7 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/def_callouts.c b/src/northbridge/amd/agesa/def_callouts.c
index c8b74d4819..99759245cc 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)
{
@@ -114,6 +115,15 @@ 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;
}
+
+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;
+}
#endif
AGESA_STATUS agesa_ReadSpd_from_cbfs(UINT32 Func, UINT32 Data, VOID *ConfigPtr)
diff --git a/src/northbridge/amd/agesa/def_callouts.h b/src/northbridge/amd/agesa/def_callouts.h
index 2d23f3ed08..60299b792e 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/00730F01/dimmSpd.h b/src/northbridge/amd/agesa/dimmSpd.h
index 667fe260d0..3af67204aa 100644
--- a/src/northbridge/amd/agesa/00730F01/dimmSpd.h
+++ b/src/northbridge/amd/agesa/dimmSpd.h
@@ -23,4 +23,8 @@
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 afec3c05b5..c4d4b0ddce 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 5b8a9b522c..4d5ab5f340 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 e50d53e041..0000000000
--- 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 3cd81c69e0..287cb97330 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 6864b5049a..d6d265ef7c 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 fe9d3bc20a..2fa4736889 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 1d9363c006..8991bdb69e 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 e50d53e041..0000000000
--- 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 87e2dc8748..2e1cd3db4b 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 c83ae27727..debdc4ba69 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 6ed0ff646f..eb02936b29 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 0000000000..32e00d6ea6
--- /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);
+}