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authorKerry Sheh <shekairui@gmail.com>2012-01-19 13:18:36 +0800
committerMarc Jones <marcj303@gmail.com>2012-02-07 00:06:07 +0100
commit01f7ab93359ae0fee5784d35effbcbe0b596df18 (patch)
treeb7dbaeda0626de4680a1772c39c13691f6b66453 /src/mainboard/amd/inagua/dimmSpd.c
parent91be49b2d0635b3d666125790c59b057f956b2c0 (diff)
Inagua: Synchronize AMD/inagua mainboard.
AMD/persimmon mainboard code is derived from AMD/inagua mainbard. Persimmom update a lot in the last few month, sync these modification to inagua. Change-Id: Ia038e5a2b9550fe81bb075f31e30b98354758e9e Signed-off-by: Kerry Sheh <shekairui@gmail.com> Signed-off-by: Kerry Sheh <kerry.she@amd.com> Reviewed-on: http://review.coreboot.org/542 Tested-by: build bot (Jenkins) Reviewed-by: Marc Jones <marcj303@gmail.com>
Diffstat (limited to 'src/mainboard/amd/inagua/dimmSpd.c')
-rw-r--r--src/mainboard/amd/inagua/dimmSpd.c39
1 files changed, 18 insertions, 21 deletions
diff --git a/src/mainboard/amd/inagua/dimmSpd.c b/src/mainboard/amd/inagua/dimmSpd.c
index d82cb5d2c0..3719112d11 100644
--- a/src/mainboard/amd/inagua/dimmSpd.c
+++ b/src/mainboard/amd/inagua/dimmSpd.c
@@ -20,6 +20,7 @@
#include "Porting.h"
#include "AGESA.h"
#include "amdlib.h"
+#include "OEM.h" /* SMBUS0_BASE_ADDRESS */
AGESA_STATUS AmdMemoryReadSPD (UINT32 unused1, UINT32 unused2, AGESA_READ_SPD_PARAMS *info);
#define DIMENSION(array)(sizeof (array)/ sizeof (array [0]))
@@ -30,13 +31,12 @@ AGESA_STATUS AmdMemoryReadSPD (UINT32 unused1, UINT32 unused2, AGESA_READ_SPD_PA
* SPD address table - porting required
*/
-#define SMBUS_BASE_ADDR 0xB00
-static const UINT8 spdAddressLookup [1] [2] [1] = // socket, channel, dimm
+static const UINT8 spdAddressLookup [1] [2] [2] = // socket, channel, dimm
{
// socket 0
{
- {0xA0}, // channel 0 dimms
- {0xA2}, // channel 1 dimms
+ {0xA0, 0xA2}, // channel 0 dimms
+ {0x00, 0x00}, // channel 1 dimms
},
};
@@ -46,7 +46,7 @@ static const UINT8 spdAddressLookup [1] [2] [1] = // socket, channel, dimm
*/
static int readSmbusByteData (int iobase, int address, char *buffer, int offset)
- {
+{
unsigned int status;
UINT64 limit;
@@ -60,8 +60,7 @@ static int readSmbusByteData (int iobase, int address, char *buffer, int offset)
// time limit to avoid hanging for unexpected error status (should never happen)
limit = __rdtsc () + 2000000000 / 10;
- for (;;)
- {
+ for (;;) {
status = __inbyte (iobase);
if (__rdtsc () > limit) break;
if ((status & 2) == 0) continue; // SMBusInterrupt not set, keep waiting
@@ -72,7 +71,7 @@ static int readSmbusByteData (int iobase, int address, char *buffer, int offset)
buffer [0] = __inbyte (iobase + 5);
if (status == 2) status = 0; // check for done with no errors
return status;
- }
+}
/*-----------------------------------------------------------------------------
*
@@ -81,7 +80,7 @@ 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;
@@ -90,8 +89,7 @@ static int readSmbusByte (int iobase, int address, char *buffer)
// time limit to avoid hanging for unexpected error status
limit = __rdtsc () + 2000000000 / 10;
- for (;;)
- {
+ for (;;) {
status = __inbyte (iobase);
if (__rdtsc () > limit) break;
if ((status & 2) == 0) continue; // SMBusInterrupt not set, keep waiting
@@ -102,7 +100,7 @@ static int readSmbusByte (int iobase, int address, char *buffer)
buffer [0] = __inbyte (iobase + 5);
if (status == 2) status = 0; // check for done with no errors
return status;
- }
+}
/*---------------------------------------------------------------------------
*
@@ -114,7 +112,7 @@ static int readSmbusByte (int iobase, int address, char *buffer)
*/
static int readspd (int iobase, int SmbusSlaveAddress, char *buffer, int count)
- {
+{
int index, error;
/* read the first byte using offset zero */
@@ -122,14 +120,13 @@ static int readspd (int iobase, int SmbusSlaveAddress, char *buffer, int count)
if (error) return error;
/* read the remaining bytes using auto-increment for speed */
- for (index = 1; index < count; index++)
- {
+ 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)
{
@@ -138,16 +135,16 @@ static void writePmReg (int reg, int 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
- }
+}
AGESA_STATUS AmdMemoryReadSPD (UINT32 unused1, UINT32 unused2, AGESA_READ_SPD_PARAMS *info)
- {
+{
int spdAddress, ioBase;
if (info->SocketId >= DIMENSION (spdAddressLookup )) return AGESA_ERROR;
@@ -156,7 +153,7 @@ AGESA_STATUS AmdMemoryReadSPD (UINT32 unused1, UINT32 unused2, AGESA_READ_SPD_PA
spdAddress = spdAddressLookup [info->SocketId] [info->MemChannelId] [info->DimmId];
if (spdAddress == 0) return AGESA_ERROR;
- ioBase = SMBUS_BASE_ADDR;
+ ioBase = SMBUS0_BASE_ADDRESS;
setupFch (ioBase);
return readspd (ioBase, spdAddress, (void *) info->Buffer, 128);
- }
+}