soc/intel/quark: Pass in the memory initialization parameters

Specify the memory initialization parameters in
mainboard/intel/galileo/devicetree.cb.  Pass these values into FSP to
initialize memory.

TEST=Build and run on Galileo Gen2

Change-Id: I83ee196f5fb825118a3a74b61f73f3728a1a1dc6
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: https://review.coreboot.org/15260
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>

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)