mb/prodrive/hermes: Add new mainboard port

This patch adds support for the Prodrive Hermes mainboard.

Tested with CoffeeLakeFspBinPkg FSP 7.0.68.41.

Untested:
* CNVi
* Intel Graphics

Tested:
* CPU Intel Xeon E2288G
* CPU Intel Core i3-9100F
* CPU Intel Core i7 9700KF
* CPU Intel Core i7 9700E
* CPU Intel Core i7 9700F
* CPU Intel Core i5 9600K
* CPU Intel Pentium Gold G5400
* PCIe Link Width x8 on Slot6 by changing PCIe mux
* All four DDR4 slots in different configurations
* USB2.0 HDR1
* USB2.0 HDR2
* USB3.0 HDR
* Slot1
* Slot2
* Slot3
* Slot4
* Slot6
* M2.M NVMEe
* Ethernet PHYs 0-4
* Aspeed BMC PCIe
* Aspeed BMC USB
* Aspeed Graphics init
* USB3 backplane all working
* I801 SMBUS

Not Working:
* Intel HDA

Change-Id: Id7d051d3fa6823618691d5572087c9ae589c2862
Signed-off-by: Christian Walter <christian.walter@9elements.com>
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Signed-off-by: Christian Walter <christian.walter@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38303
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>

1 files changed, 31 insertions, 0 deletions

diff --git a/src/mainboard/prodrive/hermes/romstage.c b/src/mainboard/prodrive/hermes/romstage.c
new file mode 100644
index 0000000000..a25c43a743
--- /dev/null
+++ b/src/mainboard/prodrive/hermes/romstage.c
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <soc/cnl_memcfg_init.h>
+#include <soc/romstage.h>
+#include <variant/variants.h>
+#include "variants/baseboard/include/eeprom.h"
+
+static fsp_params parmas_list[] = {
+	GET_VALUE(RMT),
+	GET_VALUE(HyperThreading),
+	GET_VALUE(BootFrequency)
+};
+
+void mainboard_memory_init_params(FSPM_UPD *memupd)
+{
+	memupd->FspmConfig.UserBd = 7;
+	memupd->FspmTestConfig.SmbusSpdWriteDisable = 0;
+	memupd->FspmConfig.IedSize = 0x400000;
+	cannonlake_memcfg_init(&memupd->FspmConfig, variant_memcfg_config());
+
+	// Overwrite memupd
+	if (!check_signature(I2C_ADDR_EEPROM))
+		return;
+
+	for (size_t i = 0; i < ARRAY_SIZE(parmas_list); i++) {
+		read_write_config(I2C_ADDR_EEPROM, memupd, EEPROM_OFFSET_FSP_CONFIG +
+			parmas_list[i].offset,
+			EEPROM_OFFSET_FSP_CONFIG + parmas_list[i].offset,
+			parmas_list[i].size);
+	}
+}