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Diffstat (limited to 'src/mainboard/elmex/pcm205400/BiosCallOuts.c')
-rw-r--r--src/mainboard/elmex/pcm205400/BiosCallOuts.c93
1 files changed, 93 insertions, 0 deletions
diff --git a/src/mainboard/elmex/pcm205400/BiosCallOuts.c b/src/mainboard/elmex/pcm205400/BiosCallOuts.c
new file mode 100644
index 0000000000..9a2a9bb458
--- /dev/null
+++ b/src/mainboard/elmex/pcm205400/BiosCallOuts.c
@@ -0,0 +1,93 @@
+/*
+ * 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.
+ */
+
+#include "AGESA.h"
+#include "amdlib.h"
+#include <northbridge/amd/agesa/BiosCallOuts.h>
+#include "heapManager.h"
+#include "SB800.h"
+#include <stdlib.h>
+
+static AGESA_STATUS board_BeforeDramInit (UINT32 Func, UINTN Data, VOID *ConfigPtr);
+static AGESA_STATUS board_GnbPcieSlotReset (UINT32 Func, UINTN Data, VOID *ConfigPtr);
+
+const BIOS_CALLOUT_STRUCT BiosCallouts[] =
+{
+ {AGESA_DO_RESET, agesa_Reset },
+ {AGESA_READ_SPD, agesa_ReadSpd },
+ {AGESA_READ_SPD_RECOVERY, agesa_NoopUnsupported },
+ {AGESA_RUNFUNC_ONAP, agesa_RunFuncOnAp },
+ {AGESA_GNB_PCIE_SLOT_RESET, board_GnbPcieSlotReset },
+ {AGESA_HOOKBEFORE_DRAM_INIT, board_BeforeDramInit },
+ {AGESA_HOOKBEFORE_DRAM_INIT_RECOVERY, agesa_NoopSuccess },
+ {AGESA_HOOKBEFORE_DQS_TRAINING, agesa_NoopSuccess },
+ {AGESA_HOOKBEFORE_EXIT_SELF_REF, agesa_NoopSuccess },
+};
+const int BiosCalloutsLen = ARRAY_SIZE(BiosCallouts);
+
+/* Call the host environment interface to provide a user hook opportunity. */
+static AGESA_STATUS board_BeforeDramInit (UINT32 Func, UINTN Data, VOID *ConfigPtr)
+{
+ // Unlike e.g. AMD Inagua, Persimmon is unable to vary the RAM voltage.
+ // Make sure the right speed settings are selected.
+ ((MEM_DATA_STRUCT*)ConfigPtr)->ParameterListPtr->DDR3Voltage = VOLT1_5;
+ return AGESA_SUCCESS;
+}
+
+/* PCIE slot reset control */
+static AGESA_STATUS board_GnbPcieSlotReset (UINT32 Func, UINTN Data, VOID *ConfigPtr)
+{
+ AGESA_STATUS Status;
+ UINTN FcnData;
+ PCIe_SLOT_RESET_INFO *ResetInfo;
+
+ UINT32 GpioMmioAddr;
+ UINT32 AcpiMmioAddr;
+ UINT8 Data8;
+ UINT16 Data16;
+
+ FcnData = Data;
+ ResetInfo = ConfigPtr;
+ // Get SB800 MMIO Base (AcpiMmioAddr)
+ WriteIo8(0xCD6, 0x27);
+ Data8 = ReadIo8(0xCD7);
+ Data16=Data8<<8;
+ WriteIo8(0xCD6, 0x26);
+ Data8 = ReadIo8(0xCD7);
+ Data16|=Data8;
+ AcpiMmioAddr = (UINT32)Data16 << 16;
+ Status = AGESA_UNSUPPORTED;
+ GpioMmioAddr = AcpiMmioAddr + GPIO_BASE;
+ switch (ResetInfo->ResetId)
+ {
+ case 46: // GPIO50 = SBGPIO_PCIE_RST# affects LAN0, LAN1, PCIe slot
+ switch (ResetInfo->ResetControl) {
+ case AssertSlotReset:
+ Data8 = Read64Mem8(GpioMmioAddr+SB_GPIO_REG50);
+ Data8 &= ~(UINT8)BIT6 ;
+ Write64Mem8(GpioMmioAddr+SB_GPIO_REG50, Data8);
+ Status = AGESA_SUCCESS;
+ break;
+ case DeassertSlotReset:
+ Data8 = Read64Mem8(GpioMmioAddr+SB_GPIO_REG50);
+ Data8 |= BIT6 ;
+ Write64Mem8 (GpioMmioAddr+SB_GPIO_REG50, Data8);
+ Status = AGESA_SUCCESS;
+ break;
+ }
+ break;
+ }
+ return Status;
+}