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Diffstat (limited to 'src/mainboard/amd/inagua/dimmSpd.c')
-rw-r--r--src/mainboard/amd/inagua/dimmSpd.c146
1 files changed, 73 insertions, 73 deletions
diff --git a/src/mainboard/amd/inagua/dimmSpd.c b/src/mainboard/amd/inagua/dimmSpd.c
index 3719112d11..7a8e82a409 100644
--- a/src/mainboard/amd/inagua/dimmSpd.c
+++ b/src/mainboard/amd/inagua/dimmSpd.c
@@ -26,19 +26,19 @@ AGESA_STATUS AmdMemoryReadSPD (UINT32 unused1, UINT32 unused2, AGESA_READ_SPD_PA
#define DIMENSION(array)(sizeof (array)/ sizeof (array [0]))
/*#pragma optimize ("", off) // for source level debug
-*---------------------------------------------------------------------------
-*
-* SPD address table - porting required
-*/
+ *---------------------------------------------------------------------------
+ *
+ * SPD address table - porting required
+ */
static const UINT8 spdAddressLookup [1] [2] [2] = // socket, channel, dimm
- {
- // socket 0
- {
- {0xA0, 0xA2}, // channel 0 dimms
- {0x00, 0x00}, // channel 1 dimms
- },
- };
+{
+ // socket 0
+ {
+ {0xA0, 0xA2}, // channel 0 dimms
+ {0x00, 0x00}, // channel 1 dimms
+ },
+};
/*-----------------------------------------------------------------------------
*
@@ -47,30 +47,30 @@ static const UINT8 spdAddressLookup [1] [2] [2] = // socket, channel, dimm
static int readSmbusByteData (int iobase, int address, char *buffer, int offset)
{
- unsigned int status;
- UINT64 limit;
+ unsigned int status;
+ UINT64 limit;
- address |= 1; // set read bit
+ 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
+ __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;
+ // 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;
+ 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;
}
/*-----------------------------------------------------------------------------
@@ -81,25 +81,25 @@ static int readSmbusByteData (int iobase, int address, char *buffer, int offset)
static int readSmbusByte (int iobase, int address, char *buffer)
{
- unsigned int status;
- UINT64 limit;
+ unsigned int status;
+ UINT64 limit;
- __outbyte (iobase + 0, 0xFF); // clear error status
- __outbyte (iobase + 2, 0x44); // read command
+ __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;
+ // 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;
+ 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;
}
/*---------------------------------------------------------------------------
@@ -113,47 +113,47 @@ static int readSmbusByte (int iobase, int address, char *buffer)
static int readspd (int iobase, int SmbusSlaveAddress, char *buffer, int count)
{
- int index, error;
+ int index, error;
- /* read the first byte using offset zero */
- error = readSmbusByteData (iobase, SmbusSlaveAddress, buffer, 0);
- if (error) return 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 */
+ /* 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;
- }
+ error = readSmbusByte (iobase, SmbusSlaveAddress, &buffer [index]);
+ if (error) return error;
+ }
- return 0;
+ return 0;
}
static void writePmReg (int reg, int data)
- {
- __outbyte (0xCD6, reg);
- __outbyte (0xCD7, data);
- }
+{
+ __outbyte (0xCD6, reg);
+ __outbyte (0xCD7, data);
+}
static void setupFch (int ioBase)
{
- writePmReg (0x2D, ioBase >> 8);
- writePmReg (0x2C, ioBase | 1);
- writePmReg (0x29, 0x80);
- writePmReg (0x28, 0x61);
- __outbyte (ioBase + 0x0E, 66000000 / 400000 / 4); // set SMBus clock to 400 KHz
+ writePmReg (0x2D, ioBase >> 8);
+ writePmReg (0x2C, ioBase | 1);
+ writePmReg (0x29, 0x80);
+ writePmReg (0x28, 0x61);
+ __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, ioBase;
- if (info->SocketId >= DIMENSION (spdAddressLookup )) return AGESA_ERROR;
- if (info->MemChannelId >= DIMENSION (spdAddressLookup[0] )) return AGESA_ERROR;
- if (info->DimmId >= DIMENSION (spdAddressLookup[0][0])) return AGESA_ERROR;
+ if (info->SocketId >= DIMENSION (spdAddressLookup )) return AGESA_ERROR;
+ if (info->MemChannelId >= DIMENSION (spdAddressLookup[0] )) return AGESA_ERROR;
+ if (info->DimmId >= DIMENSION (spdAddressLookup[0][0])) return AGESA_ERROR;
- spdAddress = spdAddressLookup [info->SocketId] [info->MemChannelId] [info->DimmId];
- if (spdAddress == 0) return AGESA_ERROR;
+ spdAddress = spdAddressLookup [info->SocketId] [info->MemChannelId] [info->DimmId];
+ if (spdAddress == 0) return AGESA_ERROR;
ioBase = SMBUS0_BASE_ADDRESS;
- setupFch (ioBase);
- return readspd (ioBase, spdAddress, (void *) info->Buffer, 128);
+ setupFch (ioBase);
+ return readspd (ioBase, spdAddress, (void *) info->Buffer, 128);
}
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