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-rw-r--r--src/soc/intel/quark/chip.h79
-rw-r--r--src/soc/intel/quark/romstage/romstage.c101
2 files changed, 171 insertions, 9 deletions
diff --git a/src/soc/intel/quark/chip.h b/src/soc/intel/quark/chip.h
index fc9890fde5..66105eaa0b 100644
--- a/src/soc/intel/quark/chip.h
+++ b/src/soc/intel/quark/chip.h
@@ -23,6 +23,19 @@
#include <soc/pci_devs.h>
#include <soc/pm.h>
+///
+/// MRC Flags bits
+///
+#define MRC_FLAG_ECC_EN BIT0
+#define MRC_FLAG_SCRAMBLE_EN BIT1
+#define MRC_FLAG_MEMTEST_EN BIT2
+
+/* 0b DDR "fly-by" topology else 1b DDR "tree" topology */
+#define MRC_FLAG_TOP_TREE_EN BIT3
+
+/* If set ODR signal is asserted to DRAM devices on writes */
+#define MRC_FLAG_WR_ODT_EN BIT4
+
struct soc_intel_quark_config {
/*
* MemoryInit:
@@ -33,7 +46,71 @@ struct soc_intel_quark_config {
* built into the coreboot image. The fields below contain retain
* the FSP PCD field name.
*/
- UINT16 PcdSmmTsegSize;
+
+ UINT32 FspReservedMemoryLength; /* FSP reserved memory in bytes */
+
+ UINT32 Flags; /* Bitmap of MRC_FLAG_XXX defs above */
+ UINT32 tRAS; /* ACT to PRE command period in picoseconds */
+
+ /* Delay from start of internal write transaction to internal read
+ * command in picoseconds
+ */
+ UINT32 tWTR;
+
+ /* ACT to ACT command period (JESD79 specific to page size 1K/2K) in
+ * picoseconds
+ */
+ UINT32 tRRD;
+
+ /* Four activate window (JESD79 specific to page size 1K/2K) in
+ * picoseconds
+ */
+ UINT32 tFAW;
+ UINT8 DramWidth; /* 0=x8, 1=x16, others=RESERVED */
+
+ /* 0=DDRFREQ_800, 1=DDRFREQ_1066, others=RESERVED. Only 533MHz SKU
+ * support 1066 memory
+ */
+ UINT8 DramSpeed;
+ UINT8 DramType; /* 0=DDR3,1=DDR3L, others=RESERVED */
+
+ /* bit[0] RANK0_EN, bit[1] RANK1_EN, others=RESERVED */
+ UINT8 RankMask;
+ UINT8 ChanMask; /* bit[0] CHAN0_EN, others=RESERVED */
+ UINT8 ChanWidth; /* 1=x16, others=RESERVED */
+
+ /* 0, 1, 2 (mode 2 forced if ecc enabled), others=RESERVED */
+ UINT8 AddrMode;
+
+ /* 1=1.95us, 2=3.9us, 3=7.8us, others=RESERVED. REFRESH_RATE */
+ UINT8 SrInt;
+ UINT8 SrTemp; /* 0=normal, 1=extended, others=RESERVED */
+
+ /* 0=34ohm, 1=40ohm, others=RESERVED. RON_VALUE Select MRS1.DIC driver
+ * impedance control.
+ */
+ UINT8 DramRonVal;
+ UINT8 DramRttNomVal; /* 0=40ohm, 1=60ohm, 2=120ohm, others=RESERVED */
+ UINT8 DramRttWrVal; /* 0=off others=RESERVED */
+
+ /* 0=off, 1=60ohm, 2=120ohm, 3=180ohm, others=RESERVED */
+ UINT8 SocRdOdtVal;
+ UINT8 SocWrRonVal; /* 0=27ohm, 1=32ohm, 2=40ohm, others=RESERVED */
+ UINT8 SocWrSlewRate; /* 0=2.5V/ns, 1=4V/ns, others=RESERVED */
+
+ /* 0=512Mb, 1=1Gb, 2=2Gb, 3=4Gb, others=RESERVED */
+ UINT8 DramDensity;
+ UINT8 tCL; /* DRAM CAS Latency in clocks */
+
+ /* ECC scrub interval in miliseconds 1..255 (0 works as feature
+ * disable)
+ */
+ UINT8 EccScrubInterval;
+
+ /* Number of 32B blocks read for ECC scrub 2..16 */
+ UINT8 EccScrubBlkSize;
+
+ UINT8 SmmTsegSize; /* SMM size in MiB */
};
extern struct chip_operations soc_ops;
diff --git a/src/soc/intel/quark/romstage/romstage.c b/src/soc/intel/quark/romstage/romstage.c
index b99ad5425d..2a4c658745 100644
--- a/src/soc/intel/quark/romstage/romstage.c
+++ b/src/soc/intel/quark/romstage/romstage.c
@@ -129,6 +129,8 @@ void soc_memory_init_params(struct romstage_params *params,
const struct device *dev;
const struct soc_intel_quark_config *config;
struct chipset_power_state *ps = car_get_var_ptr(&power_state);
+ char *rmu_file;
+ size_t rmu_file_len;
/* Locate the configuration data from devicetree.cb */
dev = dev_find_slot(0, LPC_DEV_FUNC);
@@ -150,11 +152,44 @@ void soc_memory_init_params(struct romstage_params *params,
reg_script_run_on_dev(LPC_BDF, clear_smi_and_wake_events);
}
+ /* Locate the RMU data file in flash */
+ rmu_file = cbfs_boot_map_with_leak("rmu.bin", CBFS_TYPE_RAW,
+ &rmu_file_len);
+ if (!rmu_file)
+ die("Microcode file (rmu.bin) not found.");
+
/* Update the UPD data for MemoryInit */
printk(BIOS_DEBUG, "Updating UPD values for MemoryInit: 0x%p\n", upd);
- upd->PcdSerialRegisterBase = UART_BASE_ADDRESS;
- upd->PcdSmmTsegSize = IS_ENABLED(CONFIG_HAVE_SMI_HANDLER) ?
- config->PcdSmmTsegSize : 0;
+ upd->AddrMode = config->AddrMode;
+ upd->ChanMask = config->ChanMask;
+ upd->ChanWidth = config->ChanWidth;
+ upd->DramDensity = config->DramDensity;
+ upd->DramRonVal = config->DramRonVal;
+ upd->DramRttNomVal = config->DramRttNomVal;
+ upd->DramRttWrVal = config->DramRttWrVal;
+ upd->DramSpeed = config->DramSpeed;
+ upd->DramType = config->DramType;
+ upd->DramWidth = config->DramWidth;
+ upd->EccScrubBlkSize = config->EccScrubBlkSize;
+ upd->EccScrubInterval = config->EccScrubInterval;
+ upd->Flags = config->Flags;
+ upd->FspReservedMemoryLength = config->FspReservedMemoryLength;
+ upd->RankMask = config->RankMask;
+ upd->RmuBaseAddress = (uintptr_t)rmu_file;
+ upd->RmuLength = rmu_file_len;
+ upd->SerialPortBaseAddress = UART_BASE_ADDRESS;
+ upd->SmmTsegSize = IS_ENABLED(CONFIG_HAVE_SMI_HANDLER) ?
+ config->SmmTsegSize : 0;
+ upd->SocRdOdtVal = config->SocRdOdtVal;
+ upd->SocWrRonVal = config->SocWrRonVal;
+ upd->SocWrSlewRate = config->SocWrSlewRate;
+ upd->SrInt = config->SrInt;
+ upd->SrTemp = config->SrTemp;
+ upd->tCL = config->tCL;
+ upd->tFAW = config->tFAW;
+ upd->tRAS = config->tRAS;
+ upd->tRRD = config->tRRD;
+ upd->tWTR = config->tWTR;
}
void soc_display_memory_init_params(const MEMORY_INIT_UPD *old,
@@ -162,11 +197,61 @@ void soc_display_memory_init_params(const MEMORY_INIT_UPD *old,
{
/* Display the parameters for MemoryInit */
printk(BIOS_SPEW, "UPD values for MemoryInit at: 0x%p\n", new);
- fsp_display_upd_value("PcdSerialRegisterBase",
- sizeof(old->PcdSerialRegisterBase),
- old->PcdSerialRegisterBase, new->PcdSerialRegisterBase);
- fsp_display_upd_value("PcdSmmTsegSize", sizeof(old->PcdSmmTsegSize),
- old->PcdSmmTsegSize, new->PcdSmmTsegSize);
+ fsp_display_upd_value("AddrMode", sizeof(old->AddrMode),
+ old->AddrMode, new->AddrMode);
+ fsp_display_upd_value("ChanMask", sizeof(old->ChanMask),
+ old->ChanMask, new->ChanMask);
+ fsp_display_upd_value("ChanWidth", sizeof(old->ChanWidth),
+ old->ChanWidth, new->ChanWidth);
+ fsp_display_upd_value("DramDensity", sizeof(old->DramDensity),
+ old->DramDensity, new->DramDensity);
+ fsp_display_upd_value("DramRonVal", sizeof(old->DramRonVal),
+ old->DramRonVal, new->DramRonVal);
+ fsp_display_upd_value("DramRttNomVal", sizeof(old->DramRttNomVal),
+ old->DramRttNomVal, new->DramRttNomVal);
+ fsp_display_upd_value("DramRttWrVal", sizeof(old->DramRttWrVal),
+ old->DramRttWrVal, new->DramRttWrVal);
+ fsp_display_upd_value("DramSpeed", sizeof(old->DramSpeed),
+ old->DramSpeed, new->DramSpeed);
+ fsp_display_upd_value("DramType", sizeof(old->DramType),
+ old->DramType, new->DramType);
+ fsp_display_upd_value("DramWidth", sizeof(old->DramWidth),
+ old->DramWidth, new->DramWidth);
+ fsp_display_upd_value("EccScrubBlkSize", sizeof(old->EccScrubBlkSize),
+ old->EccScrubBlkSize, new->EccScrubBlkSize);
+ fsp_display_upd_value("EccScrubInterval", sizeof(old->EccScrubInterval),
+ old->EccScrubInterval, new->EccScrubInterval);
+ fsp_display_upd_value("Flags", sizeof(old->Flags), old->Flags,
+ new->Flags);
+ fsp_display_upd_value("FspReservedMemoryLength",
+ sizeof(old->FspReservedMemoryLength),
+ old->FspReservedMemoryLength, new->FspReservedMemoryLength);
+ fsp_display_upd_value("RankMask", sizeof(old->RankMask), old->RankMask,
+ new->RankMask);
+ fsp_display_upd_value("RmuBaseAddress", sizeof(old->RmuBaseAddress),
+ old->RmuBaseAddress, new->RmuBaseAddress);
+ fsp_display_upd_value("RmuLength", sizeof(old->RmuLength),
+ old->RmuLength, new->RmuLength);
+ fsp_display_upd_value("SerialPortBaseAddress",
+ sizeof(old->SerialPortBaseAddress),
+ old->SerialPortBaseAddress, new->SerialPortBaseAddress);
+ fsp_display_upd_value("SmmTsegSize", sizeof(old->SmmTsegSize),
+ old->SmmTsegSize, new->SmmTsegSize);
+ fsp_display_upd_value("SocRdOdtVal", sizeof(old->SocRdOdtVal),
+ old->SocRdOdtVal, new->SocRdOdtVal);
+ fsp_display_upd_value("SocWrRonVal", sizeof(old->SocWrRonVal),
+ old->SocWrRonVal, new->SocWrRonVal);
+ fsp_display_upd_value("SocWrSlewRate", sizeof(old->SocWrSlewRate),
+ old->SocWrSlewRate, new->SocWrSlewRate);
+ fsp_display_upd_value("SrInt", sizeof(old->SrInt), old->SrInt,
+ new->SrInt);
+ fsp_display_upd_value("SrTemp", sizeof(old->SrTemp), old->SrTemp,
+ new->SrTemp);
+ fsp_display_upd_value("tCL", sizeof(old->tCL), old->tCL, new->tCL);
+ fsp_display_upd_value("tFAW", sizeof(old->tFAW), old->tFAW, new->tFAW);
+ fsp_display_upd_value("tRAS", sizeof(old->tRAS), old->tRAS, new->tRAS);
+ fsp_display_upd_value("tRRD", sizeof(old->tRRD), old->tRRD, new->tRRD);
+ fsp_display_upd_value("tWTR", sizeof(old->tWTR), old->tWTR, new->tWTR);
}
void soc_after_ram_init(struct romstage_params *params)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 21:24:01 +0000