soc/intel/tigerlake: Update fsp_params for TGL

Add initial fsp upd settings for TGL, both romstage and ramstage upd's to
support basic build and boot of TGL RVP.
    - Add Silicon upd settings which includes
      * Serial IO/UART settings
      * Graphics settings
      * USB2/USB3 settings
    - Add Romstage upd settings which includes
      * Pcie Root port settings
      * IGD initialization
      * Hyper Threading settings
      * SMBus controller settings
      * Debug probe settings

BUG=none
BRANCH=none
TEST=Build and boot Tigerlake rvp board

Signed-off-by: Srinidhi N Kaushik <srinidhi.n.kaushik@intel.com>
Change-Id: I16df66451fd3a681df1222d283d97dd6bdaff0e9
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37960
Reviewed-by: Wonkyu Kim <wonkyu.kim@intel.com>
Reviewed-by: Subrata Banik <subrata.banik@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

1 files changed, 89 insertions, 1 deletions

diff --git a/src/soc/intel/tigerlake/romstage/fsp_params_tgl.c b/src/soc/intel/tigerlake/romstage/fsp_params_tgl.c
index 810cff4a20..388ac42649 100644
--- a/src/soc/intel/tigerlake/romstage/fsp_params_tgl.c
+++ b/src/soc/intel/tigerlake/romstage/fsp_params_tgl.c
@@ -13,10 +13,98 @@
  * GNU General Public License for more details.
  */
 
+#include <assert.h>
+#include <console/console.h>
 #include <fsp/util.h>
+#include <soc/gpio_soc_defs.h>
+#include <soc/iomap.h>
+#include <soc/pci_devs.h>
 #include <soc/romstage.h>
+#include <soc/soc_chip.h>
+#include <string.h>
+
+/* Debug interface flag */
+enum debug_interface_flag {
+	DEBUG_INTERFACE_RAM  = 0x1,
+	DEBUG_INTERFACE_UART = 0x2,
+	DEBUG_INTERFACE_USB3 = 0x4,
+	DEBUG_INTERFACE_SERIAL_IO  = 0x8,
+	DEBUG_INTERFACE_TRACEHUB = 0x10
+};
+
+static void soc_memory_init_params(FSP_M_CONFIG *m_cfg,
+		const struct soc_intel_tigerlake_config *config)
+{
+	unsigned int i;
+	uint32_t mask = 0;
+
+	/* Set IGD stolen size to 60MB. */
+	m_cfg->IgdDvmt50PreAlloc = 0xFE;
+	m_cfg->TsegSize = CONFIG_SMM_TSEG_SIZE;
+	m_cfg->IedSize = CONFIG_IED_REGION_SIZE;
+	m_cfg->SaGv = config->SaGv;
+	m_cfg->UserBd = BOARD_TYPE_ULT_ULX;
+	m_cfg->RMT = config->RMT;
+
+	for (i = 0; i < ARRAY_SIZE(config->PcieRpEnable); i++) {
+		if (config->PcieRpEnable[i])
+			mask |= (1 << i);
+	}
+	m_cfg->PcieRpEnableMask = mask;
+
+	memcpy(m_cfg->PcieClkSrcUsage, config->PcieClkSrcUsage,
+		sizeof(config->PcieClkSrcUsage));
+
+	for (i = 0; i < CONFIG_MAX_PCIE_CLOCKS; i++) {
+		if (config->PcieClkSrcUsage[i] == 0)
+			m_cfg->PcieClkSrcUsage[i] = 0xff;
+	}
+
+	m_cfg->PrmrrSize = config->PrmrrSize;
+	m_cfg->EnableC6Dram = config->enable_c6dram;
+	/* Disable BIOS Guard */
+	m_cfg->BiosGuard = 0;
+
+	/* UART Debug Log*/
+	m_cfg->PcdDebugInterfaceFlags = CONFIG(DRIVERS_UART_8250IO) ?
+			DEBUG_INTERFACE_UART : DEBUG_INTERFACE_TRACEHUB;
+	m_cfg->PcdIsaSerialUartBase = 0x0;
+	m_cfg->SerialIoUartDebugControllerNumber = CONFIG_UART_FOR_CONSOLE;
+
+	/*
+	 * Skip IGD initialization in FSP if device
+	 * is disable in devicetree.cb.
+	 */
+	const struct device *dev = pcidev_path_on_root(SA_DEVFN_IGD);
+	if (!dev || !dev->enabled)
+		m_cfg->InternalGfx = 0;
+	else
+		m_cfg->InternalGfx = 0x1;
+
+	/* Enable Hyper Threading */
+	m_cfg->HyperThreading = 1;
+	/* Disable Lock PCU Thermal Management registers */
+	m_cfg->LockPTMregs = 0;
+	/* Channel Hash Mask:0x0001=BIT6 set(Minimal), 0x3FFF=BIT[19:6] set(Maximum) */
+	m_cfg->ChHashMask = 0x30CC;
+	/* Enable SMBus controller based on config */
+	m_cfg->SmbusEnable = config->SmbusEnable;
+	/* Set debug probe type */
+	m_cfg->PlatformDebugConsent = config->DebugConsent;
+}
 
 void platform_fsp_memory_init_params_cb(FSPM_UPD *mupd, uint32_t version)
 {
-	/* TODO: Update with UPD override as FSP matures */
+	const struct soc_intel_tigerlake_config *config;
+	FSP_M_CONFIG *m_cfg = &mupd->FspmConfig;
+
+	config = config_of_soc();
+
+	soc_memory_init_params(m_cfg, config);
+	mainboard_memory_init_params(mupd);
+}
+
+__weak void mainboard_memory_init_params(FSPM_UPD *mupd)
+{
+	printk(BIOS_DEBUG, "WEAK: %s/%s called\n", __FILE__, __func__);
 }