aboutsummaryrefslogtreecommitdiff
path: root/src/northbridge/amd/pi/00730F01/dimmSpd.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/northbridge/amd/pi/00730F01/dimmSpd.c')
-rw-r--r--src/northbridge/amd/pi/00730F01/dimmSpd.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/src/northbridge/amd/pi/00730F01/dimmSpd.c b/src/northbridge/amd/pi/00730F01/dimmSpd.c
new file mode 100644
index 0000000000..45a1b50d0d
--- /dev/null
+++ b/src/northbridge/amd/pi/00730F01/dimmSpd.c
@@ -0,0 +1,59 @@
+/*
+ * 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 "chip.h"
+
+#include "northbridge/amd/agesa/dimmSpd.h"
+
+#define DIMENSION(array)(sizeof (array)/ sizeof (array [0]))
+
+AGESA_STATUS AmdMemoryReadSPD (UINT32 unused1, UINT32 unused2, AGESA_READ_SPD_PARAMS *info)
+{
+ int spdAddress;
+ ROMSTAGE_CONST struct device *dev = dev_find_slot(0, PCI_DEVFN(0x18, 2));
+ ROMSTAGE_CONST struct northbridge_amd_pi_00730F01_config *config = dev->chip_info;
+
+ if ((dev == 0) || (config == 0))
+ return AGESA_ERROR;
+
+ if (info->SocketId >= DIMENSION(config->spdAddrLookup ))
+ return AGESA_ERROR;
+ if (info->MemChannelId >= DIMENSION(config->spdAddrLookup[0] ))
+ return AGESA_ERROR;
+ if (info->DimmId >= DIMENSION(config->spdAddrLookup[0][0]))
+ return AGESA_ERROR;
+
+ spdAddress = config->spdAddrLookup
+ [info->SocketId] [info->MemChannelId] [info->DimmId];
+
+ if (spdAddress == 0)
+ return AGESA_ERROR;
+
+ int err = hudson_readSpd(spdAddress, (void *) info->Buffer, 128);
+ if (err)
+ return AGESA_ERROR;
+ return AGESA_SUCCESS;
+}