soc/intel/alderlake/romstage: Do initial SoC commit till romstage

List of changes:
1. Add required SoC programming till romstage
2. Include only required headers into include/soc
3. Add SA EDS document number and chapter number
4. Fill required FSP-M UPD to call FSP-M API

Change-Id: I4473aed27363c22e92e66cc6770cb55aae83e75c
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/45192
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
diff --git a/src/soc/intel/alderlake/chip.h b/src/soc/intel/alderlake/chip.h
new file mode 100644
index 0000000..2721da6
--- /dev/null
+++ b/src/soc/intel/alderlake/chip.h
@@ -0,0 +1,348 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef _SOC_CHIP_H_
+#define _SOC_CHIP_H_
+
+#include <drivers/i2c/designware/dw_i2c.h>
+#include <intelblocks/cfg.h>
+#include <intelblocks/gpio.h>
+#include <intelblocks/gspi.h>
+#include <soc/gpe.h>
+#include <soc/pch.h>
+#include <soc/pci_devs.h>
+#include <soc/pmc.h>
+#include <stdint.h>
+
+#define MAX_HD_AUDIO_DMIC_LINKS 2
+#define MAX_HD_AUDIO_SNDW_LINKS 4
+#define MAX_HD_AUDIO_SSP_LINKS  6
+
+struct soc_intel_alderlake_config {
+
+	/* Common struct containing soc config data required by common code */
+	struct soc_intel_common_config common_soc_config;
+
+	/* Gpio group routed to each dword of the GPE0 block. Values are
+	 * of the form PMC_GPP_[A:U] or GPD. */
+	uint8_t pmc_gpe0_dw0; /* GPE0_31_0 STS/EN */
+	uint8_t pmc_gpe0_dw1; /* GPE0_63_32 STS/EN */
+	uint8_t pmc_gpe0_dw2; /* GPE0_95_64 STS/EN */
+
+	/* Generic IO decode ranges */
+	uint32_t gen1_dec;
+	uint32_t gen2_dec;
+	uint32_t gen3_dec;
+	uint32_t gen4_dec;
+
+	/* Enable S0iX support */
+	int s0ix_enable;
+	/* Support for TCSS xhci, xdci, TBT PCIe root ports and DMA controllers */
+	uint8_t TcssD3HotDisable;
+	/* Support for TBT PCIe root ports and DMA controllers with D3Hot->D3Cold */
+	uint8_t TcssD3ColdDisable;
+	/* Enable DPTF support */
+	int dptf_enable;
+
+	/* Deep SX enable for both AC and DC */
+	int deep_s3_enable_ac;
+	int deep_s3_enable_dc;
+	int deep_s5_enable_ac;
+	int deep_s5_enable_dc;
+
+	/* Deep Sx Configuration
+	 *  DSX_EN_WAKE_PIN       - Enable WAKE# pin
+	 *  DSX_EN_LAN_WAKE_PIN   - Enable LAN_WAKE# pin
+	 *  DSX_DIS_AC_PRESENT_PD - Disable pull-down on AC_PRESENT pin */
+	uint32_t deep_sx_config;
+
+	/* TCC activation offset */
+	uint32_t tcc_offset;
+
+	/* System Agent dynamic frequency support. Only effects ULX/ULT CPUs.
+	 * When enabled memory will be training at two different frequencies.
+	 * 0:Disabled, 1:FixedPoint0, 2:FixedPoint1, 3:FixedPoint2,
+	 * 4:FixedPoint3, 5:Enabled */
+	enum {
+		SaGv_Disabled,
+		SaGv_FixedPoint0,
+		SaGv_FixedPoint1,
+		SaGv_FixedPoint2,
+		SaGv_FixedPoint3,
+		SaGv_Enabled,
+	} SaGv;
+
+	/* Rank Margin Tool. 1:Enable, 0:Disable */
+	uint8_t RMT;
+
+	/* USB related */
+	struct usb2_port_config usb2_ports[16];
+	struct usb3_port_config usb3_ports[10];
+	/* Wake Enable Bitmap for USB2 ports */
+	uint16_t usb2_wake_enable_bitmap;
+	/* Wake Enable Bitmap for USB3 ports */
+	uint16_t usb3_wake_enable_bitmap;
+
+	/* SATA related */
+	uint8_t SataEnable;
+	uint8_t SataMode;
+	uint8_t SataSalpSupport;
+	uint8_t SataPortsEnable[8];
+	uint8_t SataPortsDevSlp[8];
+
+	/*
+	 * Enable(0)/Disable(1) SATA Power Optimizer on PCH side.
+	 * Default 0. Setting this to 1 disables the SATA Power Optimizer.
+	 */
+	uint8_t SataPwrOptimizeDisable;
+
+	/*
+	 * SATA Port Enable Dito Config.
+	 * Enable DEVSLP Idle Timeout settings (DmVal, DitoVal).
+	 */
+	uint8_t SataPortsEnableDitoConfig[8];
+
+	/* SataPortsDmVal is the DITO multiplier. Default is 15. */
+	uint8_t SataPortsDmVal[8];
+	/* SataPortsDitoVal is the DEVSLP Idle Timeout, default is 625ms */
+	uint16_t SataPortsDitoVal[8];
+
+	/* Audio related */
+	uint8_t PchHdaDspEnable;
+	uint8_t PchHdaAudioLinkHdaEnable;
+	uint8_t PchHdaAudioLinkDmicEnable[MAX_HD_AUDIO_DMIC_LINKS];
+	uint8_t PchHdaAudioLinkSspEnable[MAX_HD_AUDIO_SSP_LINKS];
+	uint8_t PchHdaAudioLinkSndwEnable[MAX_HD_AUDIO_SNDW_LINKS];
+	uint8_t PchHdaIDispLinkTmode;
+	uint8_t PchHdaIDispLinkFrequency;
+	uint8_t PchHdaIDispCodecDisconnect;
+
+	/* PCIe Root Ports */
+	uint8_t PcieRpEnable[CONFIG_MAX_ROOT_PORTS];
+	uint8_t PcieRpHotPlug[CONFIG_MAX_ROOT_PORTS];
+	/* PCIe output clocks type to PCIe devices.
+	 * 0-23: PCH rootport, 0x70: LAN, 0x80: unspecified but in use,
+	 * 0xFF: not used */
+	uint8_t PcieClkSrcUsage[CONFIG_MAX_PCIE_CLOCKS];
+	/* PCIe ClkReq-to-ClkSrc mapping, number of clkreq signal assigned to
+	 * clksrc. */
+	uint8_t PcieClkSrcClkReq[CONFIG_MAX_PCIE_CLOCKS];
+
+	/* Probe CLKREQ# signal before enabling CLKREQ# based power management.*/
+	uint8_t PcieRpClkReqDetect[CONFIG_MAX_ROOT_PORTS];
+
+	/* PCIe RP L1 substate */
+	enum L1_substates_control {
+		L1_SS_FSP_DEFAULT,
+		L1_SS_DISABLED,
+		L1_SS_L1_1,
+		L1_SS_L1_2,
+	} PcieRpL1Substates[CONFIG_MAX_ROOT_PORTS];
+
+	/* PCIe LTR: Enable (1) / Disable (0) */
+	uint8_t PcieRpLtrEnable[CONFIG_MAX_ROOT_PORTS];
+
+	/* PCIE RP Advanced Error Report: Enable (1) / Disable (0) */
+	uint8_t PcieRpAdvancedErrorReporting[CONFIG_MAX_ROOT_PORTS];
+
+	/* Integrated Sensor */
+	uint8_t PchIshEnable;
+
+	/* Heci related */
+	uint8_t Heci3Enabled;
+
+	/* Gfx related */
+	enum {
+		IGD_SM_0MB = 0x00,
+		IGD_SM_32MB = 0x01,
+		IGD_SM_64MB = 0x02,
+		IGD_SM_96MB = 0x03,
+		IGD_SM_128MB = 0x04,
+		IGD_SM_160MB = 0x05,
+		IGD_SM_4MB = 0xF0,
+		IGD_SM_8MB = 0xF1,
+		IGD_SM_12MB = 0xF2,
+		IGD_SM_16MB = 0xF3,
+		IGD_SM_20MB = 0xF4,
+		IGD_SM_24MB = 0xF5,
+		IGD_SM_28MB = 0xF6,
+		IGD_SM_36MB = 0xF8,
+		IGD_SM_40MB = 0xF9,
+		IGD_SM_44MB = 0xFA,
+		IGD_SM_48MB = 0xFB,
+		IGD_SM_52MB = 0xFC,
+		IGD_SM_56MB = 0xFD,
+		IGD_SM_60MB = 0xFE,
+	} IgdDvmt50PreAlloc;
+	uint8_t InternalGfx;
+	uint8_t SkipExtGfxScan;
+
+	uint32_t GraphicsConfigPtr;
+	uint8_t Device4Enable;
+
+	/* HeciEnabled decides the state of Heci1 at end of boot
+	 * Setting to 0 (default) disables Heci1 and hides the device from OS */
+	uint8_t HeciEnabled;
+	/* PL2 Override value in Watts */
+	uint32_t tdp_pl2_override;
+	/* Intel Speed Shift Technology */
+	uint8_t speed_shift_enable;
+
+	/* Enable/Disable EIST. 1b:Enabled, 0b:Disabled */
+	uint8_t eist_enable;
+
+	/* Enable C6 DRAM */
+	uint8_t enable_c6dram;
+	/*
+	 * PRMRR size setting with below options
+	 * Disable: 0x0
+	 * 32MB: 0x2000000
+	 * 64MB: 0x4000000
+	 * 128 MB: 0x8000000
+	 * 256 MB: 0x10000000
+	 * 512 MB: 0x20000000
+	 */
+	uint32_t PrmrrSize;
+	uint8_t PmTimerDisabled;
+	/*
+	 * SerialIO device mode selection:
+	 * PchSerialIoDisabled,
+	 * PchSerialIoPci,
+	 * PchSerialIoHidden,
+	 * PchSerialIoLegacyUart,
+	 * PchSerialIoSkipInit
+	 */
+	uint8_t SerialIoI2cMode[CONFIG_SOC_INTEL_I2C_DEV_MAX];
+	uint8_t SerialIoGSpiMode[CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI_MAX];
+	uint8_t SerialIoUartMode[CONFIG_SOC_INTEL_UART_DEV_MAX];
+	/*
+	 * GSPIn Default Chip Select Mode:
+	 * 0:Hardware Mode,
+	 * 1:Software Mode
+	 */
+	uint8_t SerialIoGSpiCsMode[CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI_MAX];
+	/*
+	 * GSPIn Default Chip Select State:
+	 * 0: Low,
+	 * 1: High
+	 */
+	uint8_t SerialIoGSpiCsState[CONFIG_SOC_INTEL_COMMON_BLOCK_GSPI_MAX];
+
+	/* Debug interface selection */
+	enum {
+		DEBUG_INTERFACE_RAM = (1 << 0),
+		DEBUG_INTERFACE_UART_8250IO = (1 << 1),
+		DEBUG_INTERFACE_USB3 = (1 << 3),
+		DEBUG_INTERFACE_LPSS_SERIAL_IO = (1 << 4),
+		DEBUG_INTERFACE_TRACEHUB = (1 << 5),
+	} debug_interface_flag;
+
+	/* Enable Pch iSCLK */
+	uint8_t pch_isclk;
+
+	/* CNVi */
+	uint8_t CnviMode;
+	uint8_t CnviBtCore;
+
+	/* CNVi BT Audio Offload: Enable/Disable BT Audio Offload. */
+	enum {
+		FORCE_DISABLE,
+		FORCE_ENABLE,
+	} CnviBtAudioOffload;
+
+	/*
+	 * SOC Aux orientation override:
+	 * This is a bitfield that corresponds to up to 4 TCSS ports on ADL.
+	 * Even numbered bits (0, 2, 4, 6) control the retimer being handled by SOC.
+	 * Odd numbered bits (1, 3, 5, 7) control the orientation of the physical aux lines
+	 * on the motherboard.
+	 */
+	uint16_t TcssAuxOri;
+
+	/* Connect Topology Command timeout value */
+	uint16_t ITbtConnectTopologyTimeoutInMs;
+
+	/*
+	 * Override GPIO PM configuration:
+	 * 0: Use FSP default GPIO PM program,
+	 * 1: coreboot to override GPIO PM program
+	 */
+	uint8_t gpio_override_pm;
+
+	/*
+	 * GPIO PM configuration: 0 to disable, 1 to enable power gating
+	 * Bit 6-7: Reserved
+	 * Bit 5: MISCCFG_GPSIDEDPCGEN
+	 * Bit 4: MISCCFG_GPRCOMPCDLCGEN
+	 * Bit 3: MISCCFG_GPRTCDLCGEN
+	 * Bit 2: MISCCFG_GSXLCGEN
+	 * Bit 1: MISCCFG_GPDPCGEN
+	 * Bit 0: MISCCFG_GPDLCGEN
+	 */
+	uint8_t gpio_pm[TOTAL_GPIO_COMM];
+
+	/* DP config */
+	/*
+	 * Port config
+	 * 0:Disabled, 1:eDP, 2:MIPI DSI
+	 */
+	uint8_t DdiPortAConfig;
+	uint8_t DdiPortBConfig;
+
+	/* Enable(1)/Disable(0) HPD */
+	uint8_t DdiPortAHpd;
+	uint8_t DdiPortBHpd;
+	uint8_t DdiPortCHpd;
+	uint8_t DdiPort1Hpd;
+	uint8_t DdiPort2Hpd;
+	uint8_t DdiPort3Hpd;
+	uint8_t DdiPort4Hpd;
+
+	/* Enable(1)/Disable(0) DDC */
+	uint8_t DdiPortADdc;
+	uint8_t DdiPortBDdc;
+	uint8_t DdiPortCDdc;
+	uint8_t DdiPort1Ddc;
+	uint8_t DdiPort2Ddc;
+	uint8_t DdiPort3Ddc;
+	uint8_t DdiPort4Ddc;
+
+	/* Hybrid storage mode enable (1) / disable (0)
+	 * This mode makes FSP detect Optane and NVME and set PCIe lane mode
+	 * accordingly */
+	uint8_t HybridStorageMode;
+
+	/*
+	 * Override CPU flex ratio value:
+	 * CPU ratio value controls the maximum processor non-turbo ratio.
+	 * Valid Range 0 to 63.
+	 *
+	 * In general descriptor provides option to set default cpu flex ratio.
+	 * Default cpu flex ratio is 0 ensures booting with non-turbo max frequency.
+	 * That's the reason FSP skips cpu_ratio override if cpu_ratio is 0.
+	 *
+	 * Only override CPU flex ratio if don't want to boot with non-turbo max.
+	 */
+	uint8_t cpu_ratio_override;
+
+	/*
+	 * Enable(0)/Disable(1) DMI Power Optimizer on PCH side.
+	 * Default 0. Setting this to 1 disables the DMI Power Optimizer.
+	 */
+	uint8_t DmiPwrOptimizeDisable;
+
+	/*
+	 * Enable(1)/Disable(0) CPU Replacement check.
+	 * Default 0. Setting this to 1 to check CPU replacement.
+	 */
+	uint8_t CpuReplacementCheck;
+
+	/* ISA Serial Base selection. */
+	enum {
+		ISA_SERIAL_BASE_ADDR_3F8,
+		ISA_SERIAL_BASE_ADDR_2F8,
+	} IsaSerialUartBase;
+};
+
+typedef struct soc_intel_alderlake_config config_t;
+
+#endif