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-rw-r--r--src/mainboard/amd/dinar/BiosCallOuts.c62
-rw-r--r--src/mainboard/amd/dinar/Makefile.inc2
-rw-r--r--src/mainboard/amd/dinar/devicetree.cb6
-rw-r--r--src/mainboard/amd/dinar/dimmSpd.c333
4 files changed, 67 insertions, 336 deletions
diff --git a/src/mainboard/amd/dinar/BiosCallOuts.c b/src/mainboard/amd/dinar/BiosCallOuts.c
index a1c89dfc82..4fb3c66d59 100644
--- a/src/mainboard/amd/dinar/BiosCallOuts.c
+++ b/src/mainboard/amd/dinar/BiosCallOuts.c
@@ -24,6 +24,8 @@
#include "OptionsIds.h"
#include "heapManager.h"
#include "SB700.h"
+#include <northbridge/amd/agesa/family15/dimmSpd.h>
+#include "OEM.h" /* SMBUS0_BASE_ADDRESS */
#ifndef SB_GPIO_REG01
#define SB_GPIO_REG01 1
@@ -37,6 +39,53 @@
#define SB_GPIO_REG27 27
#endif
+#ifdef __PRE_RAM__
+/* This define is used when selecting the appropriate socket for the SPD read
+ * because this is a multi-socket design.
+ */
+#define LTC4305_SMBUS_ADDR (0x94)
+
+static void select_socket(UINT8 socket_id)
+{
+ AMD_CONFIG_PARAMS StdHeader;
+ UINT32 PciData32;
+ UINT8 PciData8;
+ PCI_ADDR PciAddress;
+
+ /* Set SMBus MMIO. */
+ PciAddress.AddressValue = MAKE_SBDFO (0, 0, 20, 0, 0x90);
+ PciData32 = (SMBUS0_BASE_ADDRESS & 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);
+
+ switch (socket_id) {
+ case 0:
+ /* Switch onto the First CPU Socket SMBus */
+ writeSmbusByte(SMBUS0_BASE_ADDRESS, LTC4305_SMBUS_ADDR, 0x80, 0x03);
+ break;
+ case 1:
+ /* Switch onto the Second CPU Socket SMBus */
+ writeSmbusByte(SMBUS0_BASE_ADDRESS, LTC4305_SMBUS_ADDR, 0x40, 0x03);
+ break;
+ default:
+ /* Switch off two CPU Sockets SMBus */
+ writeSmbusByte(SMBUS0_BASE_ADDRESS, LTC4305_SMBUS_ADDR, 0x00, 0x03);
+ break;
+ }
+}
+
+static void restore_socket(void)
+{
+ /* Switch off two CPU Sockets SMBus */
+ writeSmbusByte(SMBUS0_BASE_ADDRESS, LTC4305_SMBUS_ADDR, 0x00, 0x03);
+}
+#endif
+
STATIC BIOS_CALLOUT_STRUCT BiosCallouts[] =
{
{AGESA_ALLOCATE_BUFFER,
@@ -500,7 +549,18 @@ AGESA_STATUS BiosReset (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
AGESA_STATUS BiosReadSpd (UINT32 Func, UINT32 Data, VOID *ConfigPtr)
{
AGESA_STATUS Status;
- Status = AmdMemoryReadSPD (Func, Data, (AGESA_READ_SPD_PARAMS *)ConfigPtr);
+#ifdef __PRE_RAM__
+ if (ConfigPtr == NULL)
+ return AGESA_ERROR;
+
+ select_socket(((AGESA_READ_SPD_PARAMS *)ConfigPtr)->SocketId);
+
+ Status = agesa_ReadSPD (Func, Data, ConfigPtr);
+
+ restore_socket();
+#else
+ Status = AGESA_UNSUPPORTED;
+#endif
return Status;
}
diff --git a/src/mainboard/amd/dinar/Makefile.inc b/src/mainboard/amd/dinar/Makefile.inc
index 0fbfe1ffaf..42f458b215 100644
--- a/src/mainboard/amd/dinar/Makefile.inc
+++ b/src/mainboard/amd/dinar/Makefile.inc
@@ -19,14 +19,12 @@
romstage-y += buildOpts.c
romstage-y += agesawrapper.c
-romstage-y += dimmSpd.c
romstage-y += BiosCallOuts.c
romstage-y += sb700_cfg.c
romstage-y += rd890_cfg.c
ramstage-y += buildOpts.c
ramstage-y += agesawrapper.c
-ramstage-y += dimmSpd.c
ramstage-y += BiosCallOuts.c
ramstage-y += sb700_cfg.c
ramstage-y += rd890_cfg.c
diff --git a/src/mainboard/amd/dinar/devicetree.cb b/src/mainboard/amd/dinar/devicetree.cb
index e84762e0f0..09becd431f 100644
--- a/src/mainboard/amd/dinar/devicetree.cb
+++ b/src/mainboard/amd/dinar/devicetree.cb
@@ -97,6 +97,12 @@ chip northbridge/amd/agesa/family15/root_complex
device pci 18.3 on end
device pci 18.4 on end
device pci 18.5 on end
+
+ register "spdAddrLookup" = "
+ {
+ { {0xAC, 0xAE}, {0xA8, 0xAA}, {0xA4, 0xA6}, {0xA0, 0xA2}, }, // socket 0 - Channel 0-3
+ { {0xAC, 0xAE}, {0xA8, 0xAA}, {0xA4, 0xA6}, {0xA0, 0xA2}, }, // socket 1 - Channel 0-3
+ }"
end #chip northbridge/amd/agesa/family15 # CPU side of HT root complex
end #domain
end #northbridge/amd/agesa/family15/root_complex
diff --git a/src/mainboard/amd/dinar/dimmSpd.c b/src/mainboard/amd/dinar/dimmSpd.c
deleted file mode 100644
index 10b26c283c..0000000000
--- a/src/mainboard/amd/dinar/dimmSpd.c
+++ /dev/null
@@ -1,333 +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
- *----------------------------------------------------------------------------------------
- */
-
-#include "Porting.h"
-#include "AGESA.h"
-#include "amdlib.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]))
-
-/*----------------------------------------------------------------------------------------
- * T Y P E D E F S A N D S T R U C T U R E S
- *----------------------------------------------------------------------------------------
- */
-#define LTC4305_SMBUS_ADDR 0x94
-
-typedef struct _DIMM_INFO_SMBUS{
- UINT8 SocketId;
- UINT8 MemChannelId;
- UINT8 DimmId;
- UINT8 SmbusAddress;
-} DIMM_INFO_SMBUS;
-/*
- * SPD address table - porting required
- */
-STATIC CONST DIMM_INFO_SMBUS SpdAddrLookup [] =
-{
- /* Socket, Channel, Dimm, Smbus */
- {0, 0, 0, 0xAC},
- {0, 0, 1, 0xAE},
- {0, 1, 0, 0xA8},
- {0, 1, 1, 0xAA},
- {0, 2, 0, 0xA4},
- {0, 2, 1, 0xA6},
- {0, 3, 0, 0xA0},
- {0, 3, 1, 0xA2},
- {1, 0, 0, 0xAC},
- {1, 0, 1, 0xAE},
- {1, 1, 0, 0xA8},
- {1, 1, 1, 0xAA},
- {1, 2, 0, 0xA4},
- {1, 2, 1, 0xA6},
- {1, 3, 0, 0xA0},
- {1, 3, 1, 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
- *----------------------------------------------------------------------------------------
- */
-
-AGESA_STATUS
-AmdMemoryReadSPD (
- IN UINT32 Func,
- IN UINT32 Data,
- IN OUT AGESA_READ_SPD_PARAMS *SpdData
- );
-
-/*----------------------------------------------------------------------------------------
- * 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
- )
-{
-
- AMD_CONFIG_PARAMS StdHeader;
- UINT32 PciData32;
- UINT8 PciData8;
- PCI_ADDR PciAddress;
-
- /* Set SMBUS MMIO. */
- PciAddress.AddressValue = MAKE_SBDFO (0, 0, 20, 0, 0x90);
- PciData32 = (SMBUS_BASE_ADDR & 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 + 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 *ByteData,
- 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;
- }
-
- *ByteData = __inbyte (Iobase + 5);
- if (Status == 2) Status = 0; // check for done with no errors
- return Status;
-}
-/*
- *
- * WriteSmbusByteData - Write a single SPD byte onto any offset
- *
- */
-STATIC
-AGESA_STATUS
-WriteSmbusByteData (
- IN UINT16 Iobase,
- IN UINT8 Address,
- IN UINT8 ByteData,
- IN UINTN Offset
- )
-{
- UINTN Status;
- UINT64 Limit;
- Address &= 0xFE; // set write 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 write bit
- __outbyte (Iobase + 5, ByteData); // offset in byte data //
- __outbyte (Iobase + 2, 0x48); // write 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;
- }
- 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 + 1, 0x1F); // 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,
- IN UINT32 Data,
- IN OUT AGESA_READ_SPD_PARAMS *SpdData
- )
-{
- AGESA_STATUS Status;
- UINT8 SmBusAddress = 0;
- UINTN Index;
- UINTN MaxSocket = DIMENSION (SpdAddrLookup);
-
- for (Index = 0; Index < MaxSocket; Index ++){
- if ((SpdData->SocketId == SpdAddrLookup[Index].SocketId) &&
- (SpdData->MemChannelId == SpdAddrLookup[Index].MemChannelId) &&
- (SpdData->DimmId == SpdAddrLookup[Index].DimmId)) {
- SmBusAddress = SpdAddrLookup[Index].SmbusAddress;
- break;
- }
- }
-
-
- if (SmBusAddress == 0) return AGESA_ERROR;
-
- SetupFch (SMBUS_BASE_ADDR);
-
- Status = WriteSmbusByteData (SMBUS_BASE_ADDR, LTC4305_SMBUS_ADDR, 0x80, 0x03);
-
- switch (SpdData->SocketId) {
- case 0:
- /* Switch onto the First CPU Socket SMBUS */
- WriteSmbusByteData (SMBUS_BASE_ADDR, LTC4305_SMBUS_ADDR, 0x80, 0x03);
- break;
- case 1:
- /* Switch onto the Second CPU Socket SMBUS */
- WriteSmbusByteData (SMBUS_BASE_ADDR, LTC4305_SMBUS_ADDR, 0x40, 0x03);
- break;
- default:
- /* Switch off two CPU Sockets SMBUS */
- WriteSmbusByteData (SMBUS_BASE_ADDR, LTC4305_SMBUS_ADDR, 0x00, 0x03);
- break;
- }
- Status = ReadSpd (SMBUS_BASE_ADDR, SmBusAddress, SpdData->Buffer, 256);
-
- /*Output SPD Debug Message*/
- printk(BIOS_EMERG, "file '%s',line %d, %s()\n", __FILE__, __LINE__, __func__);
- printk(BIOS_DEBUG, " Status = %d\n",Status);
- printk(BIOS_DEBUG, "SocketId MemChannelId SpdData->DimmId SmBusAddress Buffer\n");
- printk(BIOS_DEBUG, "%x, %x, %x, %x, %x\n", SpdData->SocketId, SpdData->MemChannelId, SpdData->DimmId, SmBusAddress, SpdData->Buffer);
-
- /* Switch off two CPU Sockets SMBUS */
- WriteSmbusByteData (SMBUS_BASE_ADDR, LTC4305_SMBUS_ADDR, 0x00, 0x03);
- return Status;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-15 04:51:26 +0000