diff options
Diffstat (limited to 'src/northbridge/amd/agesa/family14')
| -rw-r--r-- | src/northbridge/amd/agesa/family14/dimmSpd.c | 94 | ||||
| -rw-r--r-- | src/northbridge/amd/agesa/family14/dimmSpd.h | 83 | ||||
| -rw-r--r-- | src/northbridge/amd/agesa/family14/fam14_callouts.c | 14 | ||||
| -rw-r--r-- | src/northbridge/amd/agesa/family14/fam14_callouts.h | 2 |
4 files changed, 8 insertions, 185 deletions
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 */ |