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authorMartin Roth <gaumless@gmail.com>2022-10-21 16:43:08 -0600
committerMartin Roth <martin.roth@amd.corp-partner.google.com>2022-10-25 18:18:37 +0000
commitf95a11eff5217a396dc43288f0c547559b5d221a (patch)
treedab493e74f11acfaae6d5fed0add160288874f1e /src/soc/amd/glinda/include
parent0a5da517c4f8ebb8e13ec523ea073c503bd7fcaa (diff)
soc/amd: Add framework for Glinda SoC
This adds the initial framework for the Glinda SoC, based on what's been done for Morgana already. I believe that there's more that can be made common, but that work will continue as both platforms are developed. Signed-off-by: Martin Roth <martin.roth@amd.corp-partner.google.com> Change-Id: I43d0fdb711c441dc410a14f6bb04b808abefe920 Reviewed-on: https://review.coreboot.org/c/coreboot/+/68684 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com>
Diffstat (limited to 'src/soc/amd/glinda/include')
-rw-r--r--src/soc/amd/glinda/include/soc/acpi.h23
-rw-r--r--src/soc/amd/glinda/include/soc/amd_pci_int_defs.h64
-rw-r--r--src/soc/amd/glinda/include/soc/aoac_defs.h25
-rw-r--r--src/soc/amd/glinda/include/soc/cpu.h8
-rw-r--r--src/soc/amd/glinda/include/soc/data_fabric.h19
-rw-r--r--src/soc/amd/glinda/include/soc/espi.h10
-rw-r--r--src/soc/amd/glinda/include/soc/gpio.h326
-rw-r--r--src/soc/amd/glinda/include/soc/i2c.h31
-rw-r--r--src/soc/amd/glinda/include/soc/iomap.h59
-rw-r--r--src/soc/amd/glinda/include/soc/lpc.h23
-rw-r--r--src/soc/amd/glinda/include/soc/msr.h48
-rw-r--r--src/soc/amd/glinda/include/soc/nvs.h29
-rw-r--r--src/soc/amd/glinda/include/soc/pci_devs.h135
-rw-r--r--src/soc/amd/glinda/include/soc/platform_descriptors.h19
-rw-r--r--src/soc/amd/glinda/include/soc/psp_transfer.h64
-rw-r--r--src/soc/amd/glinda/include/soc/psp_verstage_addr.h25
-rw-r--r--src/soc/amd/glinda/include/soc/smi.h191
-rw-r--r--src/soc/amd/glinda/include/soc/smu.h25
-rw-r--r--src/soc/amd/glinda/include/soc/southbridge.h124
-rw-r--r--src/soc/amd/glinda/include/soc/uart.h12
20 files changed, 1260 insertions, 0 deletions
diff --git a/src/soc/amd/glinda/include/soc/acpi.h b/src/soc/amd/glinda/include/soc/acpi.h
new file mode 100644
index 0000000000..69e2f87d6b
--- /dev/null
+++ b/src/soc/amd/glinda/include/soc/acpi.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+/* TODO: Move to common */
+
+#ifndef AMD_GLINDA_ACPI_H
+#define AMD_GLINDA_ACPI_H
+
+#include <acpi/acpi.h>
+#include <amdblocks/acpi.h>
+#include <device/device.h>
+#include <stdint.h>
+
+#define ACPI_SCI_IRQ 9
+
+/* RTC Registers */
+#define RTC_DATE_ALARM 0x0d
+#define RTC_ALT_CENTURY 0x32
+#define RTC_CENTURY 0x48
+
+uintptr_t agesa_write_acpi_tables(const struct device *device, uintptr_t current,
+ acpi_rsdp_t *rsdp);
+
+#endif /* AMD_GLINDA_ACPI_H */
diff --git a/src/soc/amd/glinda/include/soc/amd_pci_int_defs.h b/src/soc/amd/glinda/include/soc/amd_pci_int_defs.h
new file mode 100644
index 0000000000..7f9b1da009
--- /dev/null
+++ b/src/soc/amd/glinda/include/soc/amd_pci_int_defs.h
@@ -0,0 +1,64 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/* TODO: Update for Glinda */
+
+#ifndef AMD_GLINDA_AMD_PCI_INT_DEFS_H
+#define AMD_GLINDA_AMD_PCI_INT_DEFS_H
+
+/*
+ * PIRQ and device routing - these define the index into the
+ * FCH PCI_INTR 0xC00/0xC01 interrupt routing table.
+ */
+
+#define PIRQ_NC 0x1f /* Not Used */
+#define PIRQ_A 0x00 /* INT A */
+#define PIRQ_B 0x01 /* INT B */
+#define PIRQ_C 0x02 /* INT C */
+#define PIRQ_D 0x03 /* INT D */
+#define PIRQ_E 0x04 /* INT E */
+#define PIRQ_F 0x05 /* INT F */
+#define PIRQ_G 0x06 /* INT G */
+#define PIRQ_H 0x07 /* INT H */
+#define PIRQ_MISC 0x08 /* Miscellaneous IRQ Settings */
+#define PIRQ_MISC0 0x09 /* Miscellaneous0 IRQ Settings */
+#define PIRQ_HPET_L 0x0a /* HPET TMR{0..2}_CONF_CAP_H[0:7] */
+#define PIRQ_HPET_H 0x0b /* HPET TMR{0..2}_CONF_CAP_H[15:8] */
+#define PIRQ_SIRQA 0x0c /* Serial IRQ INTA */
+#define PIRQ_SIRQB 0x0d /* Serial IRQ INTB */
+#define PIRQ_SIRQC 0x0e /* Serial IRQ INTC */
+#define PIRQ_SIRQD 0x0f /* Serial IRQ INTD */
+#define PIRQ_SCI 0x10 /* SCI IRQ */
+#define PIRQ_SMBUS 0x11 /* SMBUS */
+#define PIRQ_ASF 0x12 /* ASF */
+/* 0x13-0x15 reserved */
+#define PIRQ_PMON 0x16 /* Performance Monitor */
+#define PIRQ_SD 0x17 /* SD */
+/* 0x18-0x19 reserved */
+#define PIRQ_SDIO 0x1a /* SDIO */
+/* 0x1b-0x1f reserved */
+#define PIRQ_CIR 0x20 /* CIR, no IRQ connected */
+#define PIRQ_GPIOA 0x21 /* GPIOa from PAD_FANIN0 */
+#define PIRQ_GPIOB 0x22 /* GPIOb from PAD_FANOUT0 */
+#define PIRQ_GPIOC 0x23 /* GPIOc no IRQ connected */
+/* 0x24-0x42 reserved */
+#define PIRQ_EMMC 0x43 /* eMMC */
+/* 0x44-0x4f reserved */
+#define PIRQ_GPP0 0x50 /* GPPInt0 */
+#define PIRQ_GPP1 0x51 /* GPPInt1 */
+#define PIRQ_GPP2 0x52 /* GPPInt2 */
+#define PIRQ_GPP3 0x53 /* GPPInt3 */
+/* 0x54-0x61 reserved */
+#define PIRQ_GPIO 0x62 /* GPIO Controller Interrupt */
+/* 0x63-0x6f reserved */
+#define PIRQ_I2C0 0x70 /* I2C0 */
+#define PIRQ_I2C1 0x71 /* I2C1 */
+#define PIRQ_I2C2 0x72 /* I2C2 */
+#define PIRQ_I2C3 0x73 /* I2C3 */
+#define PIRQ_UART0 0x74 /* UART0 */
+#define PIRQ_UART1 0x75 /* UART1 */
+#define PIRQ_I2C4 0x76 /* I2C4 */
+#define PIRQ_UART4 0x77 /* UART4 */
+#define PIRQ_UART2 0x78 /* UART2 */
+#define PIRQ_UART3 0x79 /* UART3 */
+
+#endif /* AMD_GLINDA_AMD_PCI_INT_DEFS_H */
diff --git a/src/soc/amd/glinda/include/soc/aoac_defs.h b/src/soc/amd/glinda/include/soc/aoac_defs.h
new file mode 100644
index 0000000000..0edd823140
--- /dev/null
+++ b/src/soc/amd/glinda/include/soc/aoac_defs.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/* TODO: Update for Glinda */
+
+#ifndef AMD_GLINDA_AOAC_DEFS_H
+#define AMD_GLINDA_AOAC_DEFS_H
+
+/* FCH AOAC device offsets for AOAC_DEV_D3_CTL/AOAC_DEV_D3_STATE */
+#define FCH_AOAC_DEV_CLK_GEN 0
+#define FCH_AOAC_DEV_I2C0 5
+#define FCH_AOAC_DEV_I2C1 6
+#define FCH_AOAC_DEV_I2C2 7
+#define FCH_AOAC_DEV_I2C3 8
+#define FCH_AOAC_DEV_I2C4 9
+#define FCH_AOAC_DEV_I2C5 10
+#define FCH_AOAC_DEV_UART0 11
+#define FCH_AOAC_DEV_UART1 12
+#define FCH_AOAC_DEV_UART2 16
+#define FCH_AOAC_DEV_AMBA 17
+#define FCH_AOAC_DEV_UART4 20
+#define FCH_AOAC_DEV_UART3 26
+#define FCH_AOAC_DEV_ESPI 27
+#define FCH_AOAC_DEV_EMMC 28
+
+#endif /* AMD_GLINDA_AOAC_DEFS_H */
diff --git a/src/soc/amd/glinda/include/soc/cpu.h b/src/soc/amd/glinda/include/soc/cpu.h
new file mode 100644
index 0000000000..42b76c8531
--- /dev/null
+++ b/src/soc/amd/glinda/include/soc/cpu.h
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef AMD_GLINDA_CPU_H
+#define AMD_GLINDA_CPU_H
+
+#define GLINDA_A0_CPUID 0x008a0f00 /* TODO: Update for Glinda */
+
+#endif /* AMD_GLINDA_CPU_H */
diff --git a/src/soc/amd/glinda/include/soc/data_fabric.h b/src/soc/amd/glinda/include/soc/data_fabric.h
new file mode 100644
index 0000000000..4abbb3ddd3
--- /dev/null
+++ b/src/soc/amd/glinda/include/soc/data_fabric.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/* TODO: Update for Glinda */
+
+#ifndef AMD_GLINDA_DATA_FABRIC_H
+#define AMD_GLINDA_DATA_FABRIC_H
+
+#include <types.h>
+
+/* SoC-specific bits in D18F0_MMIO_CTRL0 */
+#define DF_MMIO_NP BIT(16)
+
+#define IOMS0_FABRIC_ID 9
+
+#define NUM_NB_MMIO_REGS 8
+
+void data_fabric_set_mmio_np(void);
+
+#endif /* AMD_GLINDA_DATA_FABRIC_H */
diff --git a/src/soc/amd/glinda/include/soc/espi.h b/src/soc/amd/glinda/include/soc/espi.h
new file mode 100644
index 0000000000..8662ebefe8
--- /dev/null
+++ b/src/soc/amd/glinda/include/soc/espi.h
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/* TODO: Update for Glinda */
+
+#ifndef AMD_GLINDA_ESPI_H
+#define AMD_GLINDA_ESPI_H
+
+void espi_switch_to_spi1_pads(void);
+
+#endif /* AMD_GLINDA_ESPI_H */
diff --git a/src/soc/amd/glinda/include/soc/gpio.h b/src/soc/amd/glinda/include/soc/gpio.h
new file mode 100644
index 0000000000..a4d945ce97
--- /dev/null
+++ b/src/soc/amd/glinda/include/soc/gpio.h
@@ -0,0 +1,326 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/* TODO: Update for Glinda */
+
+#ifndef AMD_GLINDA_GPIO_H
+#define AMD_GLINDA_GPIO_H
+
+#define GPIO_DEVICE_NAME "AMD0030"
+#define GPIO_DEVICE_DESC "GPIO Controller"
+
+#ifndef __ACPI__
+#include <soc/iomap.h>
+#include <amdblocks/gpio.h>
+#endif /* !__ACPI__ */
+
+#include <amdblocks/gpio_defs.h>
+
+/* The following sections describe only the GPIOs defined for this SOC */
+
+#define SOC_GPIO_TOTAL_PINS 158
+
+/* Bank 0: GPIO_0 - GPIO_63 */
+#define GPIO_0 0
+#define GPIO_1 1
+#define GPIO_2 2
+#define GPIO_3 3
+#define GPIO_4 4
+#define GPIO_5 5
+#define GPIO_6 6
+#define GPIO_7 7
+#define GPIO_8 8
+#define GPIO_9 9
+#define GPIO_10 10
+#define GPIO_11 11
+#define GPIO_12 12
+#define GPIO_13 13
+#define GPIO_14 14
+#define GPIO_16 16
+#define GPIO_17 17
+#define GPIO_18 18
+#define GPIO_19 19
+#define GPIO_20 20
+#define GPIO_21 21
+#define GPIO_22 22
+#define GPIO_23 23
+#define GPIO_24 24
+#define GPIO_26 26
+#define GPIO_27 27
+#define GPIO_29 29
+#define GPIO_30 30
+#define GPIO_31 31
+#define GPIO_32 32
+#define GPIO_38 38
+#define GPIO_39 39
+#define GPIO_40 40
+#define GPIO_42 42
+
+/* Bank 1: GPIO_64 - GPIO_127 */
+#define GPIO_67 67
+#define GPIO_68 68
+#define GPIO_69 69
+#define GPIO_70 70
+#define GPIO_74 74
+#define GPIO_75 75
+#define GPIO_76 76
+#define GPIO_77 77
+#define GPIO_78 78
+#define GPIO_79 79
+#define GPIO_80 80
+#define GPIO_81 81
+#define GPIO_84 84
+#define GPIO_85 85
+#define GPIO_86 86
+#define GPIO_89 89
+#define GPIO_90 90
+#define GPIO_91 91
+#define GPIO_92 92
+#define GPIO_104 104
+#define GPIO_105 105
+#define GPIO_106 106
+#define GPIO_107 107
+#define GPIO_113 113
+#define GPIO_114 114
+#define GPIO_115 115
+#define GPIO_116 116
+
+/* Bank 2: GPIO_128 - GPIO_191 */
+#define GPIO_130 130
+#define GPIO_131 131
+#define GPIO_132 132
+#define GPIO_135 135
+#define GPIO_136 136
+#define GPIO_137 137
+#define GPIO_138 138
+#define GPIO_139 139
+#define GPIO_140 140
+#define GPIO_141 141
+#define GPIO_142 142
+#define GPIO_143 143
+#define GPIO_144 144
+#define GPIO_145 145
+#define GPIO_146 146
+#define GPIO_147 147
+#define GPIO_148 148
+#define GPIO_153 153
+#define GPIO_154 154
+#define GPIO_155 155
+#define GPIO_156 156
+#define GPIO_157 157
+
+/* IOMUX function names and values */
+#define GPIO_0_IOMUX_PWR_BTN_L 0
+#define GPIO_0_IOMUX_GPIOxx 1
+#define GPIO_1_IOMUX_SYS_RESET_L 0
+#define GPIO_1_IOMUX_GPIOxx 1
+#define GPIO_2_IOMUX_WAKE_L 0
+#define GPIO_2_IOMUX_GPIOxx 1
+#define GPIO_3_IOMUX_GPIOxx 0
+#define GPIO_4_IOMUX_GPIOxx 0
+#define GPIO_5_IOMUX_GPIOxx 0
+#define GPIO_5_IOMUX_DEVSLP0 1
+#define GPIO_6_IOMUX_GPIOxx 0
+#define GPIO_6_IOMUX_DEVSLP1 1
+#define GPIO_6_IOMUX_MDIO0_SCL 2
+#define GPIO_7_IOMUX_GPIOxx 0
+#define GPIO_7_IOMUX_SVI_RST_L 1
+#define GPIO_8_IOMUX_GPIOxx 0
+#define GPIO_8_IOMUX_TMU_CLK_OUT0 1
+#define GPIO_8_IOMUX_TMU_CLK_OUT1 2
+#define GPIO_9_IOMUX_GPIOxx 0
+/* GPIO 9 IOMUX == 1 is also GPIOxx */
+#define GPIO_9_IOMUX_MDIO2_SCL 2
+#define GPIO_10_IOMUX_GPIOxx 0
+#define GPIO_10_IOMUX_S0A3_GPIO 1
+#define GPIO_11_IOMUX_GPIOxx 0
+#define GPIO_11_IOMUX_BLINK 1
+#define GPIO_11_IOMUX_MDIO3_SDA 2
+#define GPIO_12_IOMUX_LLB_L 0
+#define GPIO_12_IOMUX_GPIOxx 1
+#define GPIO_12_IOMUX_LPC_PME_L 2
+#define GPIO_13_IOMUX_USB_SBTX_0 0
+#define GPIO_13_IOMUX_GPIOxx 1
+#define GPIO_14_IOMUX_USB_SBTX_1 0
+#define GPIO_14_IOMUX_GPIOxx 1
+#define GPIO_16_IOMUX_USB_OC0_L 0
+#define GPIO_16_IOMUX_GPIOxx 1
+#define GPIO_17_IOMUX_USB_OC1_L 0
+#define GPIO_17_IOMUX_GPIOxx 1
+#define GPIO_18_IOMUX_USB_OC2_L 0
+#define GPIO_18_IOMUX_GPIOxx 1
+#define GPIO_19_IOMUX_SMBUS1_SCL 0
+#define GPIO_19_IOMUX_I2C3_SCL 1
+#define GPIO_19_IOMUX_I3C3_SCL 2
+#define GPIO_19_IOMUX_GPIOxx 3
+#define GPIO_20_IOMUX_SMBUS1_SDA 0
+#define GPIO_20_IOMUX_I2C3_SDA 1
+#define GPIO_20_IOMUX_I3C3_SDA 2
+#define GPIO_20_IOMUX_GPIOxx 3
+#define GPIO_21_IOMUX_ESPI_RESET_L 0
+#define GPIO_21_IOMUX_KBRST_L 1
+#define GPIO_21_IOMUX_GPIOxx 2
+#define GPIO_22_IOMUX_LDRQ0_L 0
+#define GPIO_22_IOMUX_ESPI_ALERT_D1 1
+#define GPIO_22_IOMUX_GPIOxx 2
+#define GPIO_22_IOMUX_SD0_CMD 3
+#define GPIO_23_IOMUX_AC_PRES 0
+#define GPIO_23_IOMUX_GPIOxx 1
+#define GPIO_23_IOMUX_MDIO2_SDA 2
+#define GPIO_24_IOMUX_USB_OC3_L 0
+#define GPIO_24_IOMUX_GPIOxx 1
+#define GPIO_26_IOMUX_PCIE_RST0_L 0
+#define GPIO_26_IOMUX_GPIOxx 1
+#define GPIO_27_IOMUX_GPIOxx 0
+#define GPIO_27_IOMUX_PCIE_RST1_L 1
+#define GPIO_29_IOMUX_SPI_TPM_CS_L 0
+#define GPIO_29_IOMUX_GPIOxx 1
+#define GPIO_30_IOMUX_SPI_CS2_L 0
+#define GPIO_30_IOMUX_ESPI_CS_L 1
+#define GPIO_30_IOMUX_GPIOxx 2
+#define GPIO_31_IOMUX_SPI_CS3_L 0
+#define GPIO_31_IOMUX_GPIOxx 1
+#define GPIO_32_IOMUX_GPIOxx 0
+#define GPIO_32_IOMUX_LPC_RST_L 1
+#define GPIO_32_IOMUX_MDIO3_SCL 2
+#define GPIO_38_IOMUX_CLK_REQ5_L 0
+#define GPIO_38_IOMUX_GPIOxx 1
+#define GPIO_38_IOMUX_MDIO1_SDA 2
+#define GPIO_39_IOMUX_CLK_REQ6_L 0
+#define GPIO_39_IOMUX_GPIOxx 1
+#define GPIO_39_IOMUX_MDIO1_SCL 2
+#define GPIO_40_IOMUX_GPIOxx 0
+/* GPIO 40 IOMUX == 1 is also GPIOxx */
+#define GPIO_40_IOMUX_MDIO0_SDA 2
+#define GPIO_42_IOMUX_GPIOxx 0
+#define GPIO_67_IOMUX_SPI_ROM_REQ 0
+#define GPIO_67_IOMUX_GPIOxx 1
+#define GPIO_68_IOMUX_SPI1_DAT2 0
+#define GPIO_68_IOMUX_GPIOxx 1
+#define GPIO_68_IOMUX_SERIRQ 2
+#define GPIO_68_IOMUX_SD0_DATA3 3
+#define GPIO_69_IOMUX_SPI1_DAT3 0
+#define GPIO_69_IOMUX_GPIOxx 1
+#define GPIO_69_IOMUX_SD0_CLK 2
+#define GPIO_70_IOMUX_SPI2_CLK 0
+#define GPIO_70_IOMUX_GPIOxx 1
+#define GPIO_74_IOMUX_SPI1_CS1_L 0
+#define GPIO_74_IOMUX_GPIOxx 1
+#define GPIO_74_IOMUX_GFX10_CAC_IPIO0 2
+#define GPIO_75_IOMUX_SPI2_CS1_L 0
+#define GPIO_75_IOMUX_LPCCLK1 1
+#define GPIO_75_IOMUX_GPIOxx 2
+#define GPIO_76_IOMUX_SPI_ROM_GNT 0
+#define GPIO_76_IOMUX_GPIOxx 1
+#define GPIO_77_IOMUX_SPI1_CLK 0
+#define GPIO_77_IOMUX_GPIOxx 1
+/* GPIO 77 IOMUX == 2 is also GPIOxx */
+#define GPIO_77_IOMUX_SD0_DATA0 3
+#define GPIO_78_IOMUX_SPI1_CS2_L 0
+#define GPIO_78_IOMUX_GPIOxx 1
+#define GPIO_78_IOMUX_GFX10_CAC_IPIO1 2
+#define GPIO_78_IOMUX_SD0_DATA1 3
+#define GPIO_79_IOMUX_SPI1_CS3_L 0
+#define GPIO_79_IOMUX_GPIOxx 1
+#define GPIO_79_IOMUX_LPC_CLKRUN_L 2
+#define GPIO_80_IOMUX_SPI1_DAT1 0
+#define GPIO_80_IOMUX_GPIOxx 1
+/* GPIO 80 IOMUX == 2 is also GPIOxx */
+#define GPIO_80_IOMUX_SD0_DATA2 3
+#define GPIO_81_IOMUX_SPI1_DAT0 0
+#define GPIO_81_IOMUX_GPIOxx 1
+#define GPIO_84_IOMUX_FANIN0 0
+#define GPIO_84_IOMUX_GPIOxx 1
+#define GPIO_85_IOMUX_FANOUT0 0
+#define GPIO_85_IOMUX_GPIOxx 1
+#define GPIO_86_IOMUX_GPIOxx 0
+#define GPIO_86_IOMUX_LPC_SMI_L 1
+#define GPIO_89_IOMUX_GENINT1_L 0
+#define GPIO_89_IOMUX_PSP_INTR0 1
+#define GPIO_89_IOMUX_GPIOxx 2
+#define GPIO_90_IOMUX_GENINT2_L 0
+#define GPIO_90_IOMUX_PSP_INTR1 1
+#define GPIO_90_IOMUX_GPIOxx 2
+#define GPIO_91_IOMUX_SPKR 0
+#define GPIO_91_IOMUX_GPIOxx 1
+#define GPIO_92_IOMUX_CLK_REQ0_L 0
+#define GPIO_92_IOMUX_SATA_IS0_L 1
+#define GPIO_92_IOMUX_SATA_ZP0_L 2
+#define GPIO_92_IOMUX_GPIOxx 3
+#define GPIO_104_IOMUX_SPI2_DAT0 0
+#define GPIO_104_IOMUX_GPIOxx 1
+#define GPIO_105_IOMUX_SPI2_DAT1 0
+#define GPIO_105_IOMUX_GPIOxx 1
+#define GPIO_106_IOMUX_SPI2_DAT2 0
+#define GPIO_106_IOMUX_GPIOxx 1
+#define GPIO_107_IOMUX_SPI2_DAT3 0
+#define GPIO_107_IOMUX_GPIOxx 1
+#define GPIO_113_IOMUX_SMBUS0_SCL 0
+#define GPIO_113_IOMUX_I2C2_SCL 1
+#define GPIO_113_IOMUX_I3C2_SCL 2
+#define GPIO_113_IOMUX_GPIOxx 3
+#define GPIO_114_IOMUX_SMBUS0_SDA 0
+#define GPIO_114_IOMUX_I2C2_SDA 1
+#define GPIO_114_IOMUX_I3C2_SDA 2
+#define GPIO_114_IOMUX_GPIOxx 3
+#define GPIO_115_IOMUX_CLK_REQ1_L 0
+#define GPIO_115_IOMUX_GPIOxx 1
+#define GPIO_116_IOMUX_CLK_REQ2_L 0
+#define GPIO_116_IOMUX_GPIOxx 1
+#define GPIO_130_IOMUX_SATA_ACT_L 0
+#define GPIO_130_IOMUX_GPIOxx 1
+#define GPIO_131_IOMUX_CLK_REQ3_L 0
+#define GPIO_131_IOMUX_SATA_IS1_L 1
+#define GPIO_131_IOMUX_SATA_ZP1_L 2
+#define GPIO_131_IOMUX_GPIOxx 3
+#define GPIO_132_IOMUX_CLK_REQ4_L 0
+#define GPIO_132_IOMUX_OSCIN 1
+#define GPIO_132_IOMUX_GPIOxx 2
+#define GPIO_135_IOMUX_GPIOxx 0
+#define GPIO_135_IOMUX_UART2_CTS_L 1
+#define GPIO_135_IOMUX_UART3_TXD 2
+#define GPIO_136_IOMUX_GPIOxx 0
+#define GPIO_136_IOMUX_UART2_RXD 1
+#define GPIO_137_IOMUX_GPIOxx 0
+#define GPIO_137_IOMUX_UART2_RTS_L 1
+#define GPIO_137_IOMUX_UART3_RXD 2
+#define GPIO_138_IOMUX_GPIOxx 0
+#define GPIO_138_IOMUX_UART2_TXD 1
+#define GPIO_139_IOMUX_GPIOxx 0
+#define GPIO_139_IOMUX_UART2_INTR 1
+#define GPIO_140_IOMUX_GPIOxx 0
+#define GPIO_140_IOMUX_UART0_CTS_L 1
+#define GPIO_140_IOMUX_UART1_TXD 2
+#define GPIO_141_IOMUX_GPIOxx 0
+#define GPIO_141_IOMUX_UART0_RXD 1
+#define GPIO_142_IOMUX_GPIOxx 0
+#define GPIO_142_IOMUX_UART0_RTS_L 1
+#define GPIO_142_IOMUX_UART1_RXD 2
+#define GPIO_143_IOMUX_GPIOxx 0
+#define GPIO_143_IOMUX_UART0_TXD 1
+#define GPIO_144_IOMUX_GPIOxx 0
+#define GPIO_144_IOMUX_SHUTDOWN_L 1
+#define GPIO_144_IOMUX_UART0_INTR 2
+#define GPIO_145_IOMUX_I2C0_SCL 0
+#define GPIO_145_IOMUX_I3C0_SCL 1
+#define GPIO_145_IOMUX_GPIOxx 2
+#define GPIO_146_IOMUX_I2C0_SDA 0
+#define GPIO_146_IOMUX_I3C0_SDA 1
+#define GPIO_146_IOMUX_GPIOxx 2
+#define GPIO_147_IOMUX_I2C1_SCL 0
+#define GPIO_147_IOMUX_I3C1_SCL 1
+#define GPIO_147_IOMUX_GPIOxx 2
+#define GPIO_148_IOMUX_I2C1_SDA 0
+#define GPIO_148_IOMUX_I3C1_SDA 1
+#define GPIO_148_IOMUX_GPIOxx 2
+#define GPIO_153_IOMUX_GPIOxx 0
+#define GPIO_153_IOMUX_UART4_CTS_L 1
+#define GPIO_154_IOMUX_GPIOxx 0
+#define GPIO_154_IOMUX_UART4_RTS_L 1
+#define GPIO_155_IOMUX_GPIOxx 0
+#define GPIO_155_IOMUX_UART4_RXD 1
+#define GPIO_156_IOMUX_GPIOxx 0
+#define GPIO_156_IOMUX_UART4_TXD 1
+#define GPIO_157_IOMUX_GPIOxx 0
+#define GPIO_157_IOMUX_UART4_INTR 1
+
+#endif /* AMD_GLINDA_GPIO_H */
diff --git a/src/soc/amd/glinda/include/soc/i2c.h b/src/soc/amd/glinda/include/soc/i2c.h
new file mode 100644
index 0000000000..bf8997463e
--- /dev/null
+++ b/src/soc/amd/glinda/include/soc/i2c.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/* TODO: Update for Glinda */
+
+#ifndef AMD_GLINDA_I2C_H
+#define AMD_GLINDA_I2C_H
+
+#include <soc/gpio.h>
+#include <types.h>
+
+#define GPIO_I2C0_SCL BIT(0)
+#define GPIO_I2C1_SCL BIT(1)
+#define GPIO_I2C2_SCL BIT(2)
+#define GPIO_I2C3_SCL BIT(3)
+#define GPIO_I2C_MASK (BIT(0) | BIT(1) | BIT(2) | BIT(3))
+
+
+#define I2C0_SCL_PIN GPIO_145
+#define I2C1_SCL_PIN GPIO_147
+#define I2C2_SCL_PIN GPIO_113
+#define I2C3_SCL_PIN GPIO_19
+
+#define I2C0_SCL_PIN_IOMUX_GPIOxx GPIO_145_IOMUX_GPIOxx
+#define I2C1_SCL_PIN_IOMUX_GPIOxx GPIO_147_IOMUX_GPIOxx
+#define I2C2_SCL_PIN_IOMUX_GPIOxx GPIO_113_IOMUX_GPIOxx
+#define I2C3_SCL_PIN_IOMUX_GPIOxx GPIO_19_IOMUX_GPIOxx
+
+void i2c_set_bar(unsigned int bus, uintptr_t bar);
+void reset_i2c_peripherals(void);
+
+#endif /* AMD_GLINDA_I2C_H */
diff --git a/src/soc/amd/glinda/include/soc/iomap.h b/src/soc/amd/glinda/include/soc/iomap.h
new file mode 100644
index 0000000000..bb8588ce3c
--- /dev/null
+++ b/src/soc/amd/glinda/include/soc/iomap.h
@@ -0,0 +1,59 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/* TODO: Update for Glinda */
+
+#ifndef AMD_GLINDA_IOMAP_H
+#define AMD_GLINDA_IOMAP_H
+
+#define I2C_MASTER_DEV_COUNT 4
+#define I2C_MASTER_START_INDEX 0
+#define I2C_PERIPHERAL_DEV_COUNT 0 /* TODO: Only master for now. */
+#define I2C_CTRLR_COUNT (I2C_MASTER_DEV_COUNT + I2C_PERIPHERAL_DEV_COUNT)
+
+#if ENV_X86
+
+/* MMIO Ranges */
+/* IO_APIC_ADDR defined in arch/x86 0xfec00000 */
+#define GNB_IO_APIC_ADDR 0xfec01000
+#define SPI_BASE_ADDRESS 0xfec10000
+
+/* FCH AL2AHB Registers */
+#define ALINK_AHB_ADDRESS 0xfedc0000
+
+#define APU_I2C0_BASE 0xfedc2000
+#define APU_I2C1_BASE 0xfedc3000
+#define APU_I2C2_BASE 0xfedc4000
+#define APU_I2C3_BASE 0xfedc5000
+
+#define APU_DMAC0_BASE 0xfedc7000
+#define APU_DMAC1_BASE 0xfedc8000
+#define APU_UART0_BASE 0xfedc9000
+#define APU_UART1_BASE 0xfedca000
+#define APU_DMAC2_BASE 0xfedcc000
+#define APU_DMAC3_BASE 0xfedcd000
+#define APU_UART2_BASE 0xfedce000
+#define APU_UART3_BASE 0xfedcf000
+#define APU_DMAC4_BASE 0xfedd0000
+#define APU_UART4_BASE 0xfedd1000
+
+#define APU_EMMC_BASE 0xfedd5000
+#define APU_EMMC_CONFIG_BASE 0xfedd5800
+
+#endif /* ENV_X86 */
+
+#define FLASH_BASE_ADDR ((0xffffffff - CONFIG_ROM_SIZE) + 1)
+
+/* I/O Ranges */
+#define ACPI_IO_BASE 0x0400
+#define ACPI_PM_EVT_BLK (ACPI_IO_BASE + 0x00)
+#define ACPI_PM1_STS (ACPI_PM_EVT_BLK + 0x00)
+#define ACPI_PM1_EN (ACPI_PM_EVT_BLK + 0x02)
+#define ACPI_PM1_CNT_BLK (ACPI_IO_BASE + 0x04)
+#define ACPI_PM_TMR_BLK (ACPI_IO_BASE + 0x08)
+#define ACPI_CPU_CONTROL (ACPI_IO_BASE + 0x10)
+#define ACPI_GPE0_BLK (ACPI_IO_BASE + 0x20)
+#define ACPI_GPE0_STS (ACPI_GPE0_BLK + 0x00)
+#define ACPI_GPE0_EN (ACPI_GPE0_BLK + 0x04)
+#define SMB_BASE_ADDR 0x0b00
+
+#endif /* AMD_GLINDA_IOMAP_H */
diff --git a/src/soc/amd/glinda/include/soc/lpc.h b/src/soc/amd/glinda/include/soc/lpc.h
new file mode 100644
index 0000000000..8a48e93da7
--- /dev/null
+++ b/src/soc/amd/glinda/include/soc/lpc.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/* TODO: Update for Glinda */
+
+#ifndef AMD_GLINDA_LPC_H
+#define AMD_GLINDA_LPC_H
+
+/* LPC_MISC_CONTROL_BITS at D14F3x078 */
+
+#define LPC_LDRQ0_PU_EN BIT(10)
+#define LPC_LDRQ0_PD_EN BIT(9)
+
+#define SPI_BASE_ADDRESS_REGISTER 0xa0
+#define SPI_BASE_ALIGNMENT BIT(8)
+#define SPI_BASE_RESERVED (BIT(5) | BIT(6) | BIT(7))
+#define PSP_SPI_MMIO_SEL BIT(4)
+#define ROUTE_TPM_2_SPI BIT(3)
+#define SPI_ABORT_ENABLE BIT(2)
+#define SPI_ROM_ENABLE BIT(1)
+#define SPI_ROM_ALT_ENABLE BIT(0)
+#define SPI_PRESERVE_BITS (BIT(0) | BIT(1) | BIT(2) | BIT(3) | BIT(4))
+
+#endif /* AMD_GLINDA_LPC_H */
diff --git a/src/soc/amd/glinda/include/soc/msr.h b/src/soc/amd/glinda/include/soc/msr.h
new file mode 100644
index 0000000000..5500ab5a07
--- /dev/null
+++ b/src/soc/amd/glinda/include/soc/msr.h
@@ -0,0 +1,48 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/* TODO: Update for Glinda */
+
+#ifndef AMD_GLINDA_MSR_H
+#define AMD_GLINDA_MSR_H
+
+/* MSRC001_00[6B:64] P-state [7:0] bit definitions */
+#define PSTATE_DEF_HI_ENABLE_SHIFT 31
+#define PSTATE_DEF_HI_ENABLE_MASK (0x1 << PSTATE_DEF_HI_ENABLE_SHIFT)
+#define PSTATE_DEF_LO_CUR_DIV_SHIFT 30
+#define PSTATE_DEF_LO_CUR_DIV_MASK (0x3 << PSTATE_DEF_LO_CUR_DIV_SHIFT)
+#define PSTATE_DEF_LO_CUR_VAL_SHIFT 22
+#define PSTATE_DEF_LO_CUR_VAL_MASK (0xFF << PSTATE_DEF_LO_CUR_VAL_SHIFT)
+#define PSTATE_DEF_LO_CORE_VID_SHIFT 14
+#define PSTATE_DEF_LO_CORE_VID_MASK (0xFF << PSTATE_DEF_LO_CORE_VID_SHIFT)
+#define PSTATE_DEF_LO_FREQ_DIV_SHIFT 8
+#define PSTATE_DEF_LO_FREQ_DIV_MASK (0x3F << PSTATE_DEF_LO_FREQ_DIV_SHIFT)
+#define PSTATE_DEF_LO_FREQ_DIV_MIN 0x8
+#define PSTATE_DEF_LO_EIGHTH_STEP_MAX 0x1A
+#define PSTATE_DEF_LO_FREQ_DIV_MAX 0x3E
+#define PSTATE_DEF_LO_FREQ_MUL_SHIFT 0
+#define PSTATE_DEF_LO_FREQ_MUL_MASK (0xFF << PSTATE_DEF_LO_FREQ_MUL_SHIFT)
+#define PSTATE_DEF_LO_CORE_FREQ_BASE 25
+
+/* Value defined in Serial VID Interface 3.0 spec (#56413, NDA only) */
+#define SERIAL_VID_DECODE_MICROVOLTS 5000
+#define SERIAL_VID_BASE_MICROVOLTS 245000L
+
+#define MSR_CPPC_CAPABILITY_1 0xc00102b0
+#define SHIFT_CPPC_CAPABILITY_1_HIGHEST_PERF 24
+#define SHIFT_CPPC_CAPABILITY_1_NOMINAL_PERF 16
+#define SHIFT_CPPC_CAPABILITY_1_LOW_NON_LIN_PERF 8
+#define SHIFT_CPPC_CAPABILITY_1_LOWEST_PERF 0
+
+#define MSR_CPPC_ENABLE 0xc00102b1
+#define MSR_CPPC_REQUEST 0xc00102b3
+#define SHIFT_CPPC_REQUEST_ENERGY_PERF_PREF 24
+#define SHIFT_CPPC_REQUEST_DES_PERF 16
+#define SHIFT_CPPC_REQUEST_MIN_PERF 8
+#define SHIFT_CPPC_REQUEST_MAX_PERF 0
+
+#define MSR_CPPC_STATUS 0xc00102b4
+
+#define MSR_MAX_PERFORMANCE_FREQUENCY_CLOCK_COUNT 0xe7
+#define MSR_ACTUAL_PERFORMANCE_FREQUENCY_CLOCK_COUNT 0xe8
+
+#endif /* AMD_GLINDA_MSR_H */
diff --git a/src/soc/amd/glinda/include/soc/nvs.h b/src/soc/amd/glinda/include/soc/nvs.h
new file mode 100644
index 0000000000..1890ff927f
--- /dev/null
+++ b/src/soc/amd/glinda/include/soc/nvs.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+/* TODO: Update for Glinda */
+
+/*
+ * NOTE: The layout of the global_nvs structure below must match the layout
+ * in soc/soc/amd/glinda/acpi/globalnvs.asl !!!
+ *
+ */
+
+#ifndef AMD_GLINDA_NVS_H
+#define AMD_GLINDA_NVS_H
+
+#include <stdint.h>
+
+struct __packed global_nvs {
+ /* Miscellaneous */
+ uint8_t unused_was_pcnt; /* 0x00 - Processor Count */
+ uint8_t lids; /* 0x01 - LID State */
+ uint8_t unused_was_pwrs; /* 0x02 - AC Power State */
+ uint32_t cbmc; /* 0x03 - 0x06 - coreboot Memory Console */
+ uint64_t pm1i; /* 0x07 - 0x0e - System Wake Source - PM1 Index */
+ uint64_t gpei; /* 0x0f - 0x16 - GPE Wake Source */
+ uint8_t tmps; /* 0x17 - Temperature Sensor ID */
+ uint8_t tcrt; /* 0x18 - Critical Threshold */
+ uint8_t tpsv; /* 0x19 - Passive Threshold */
+};
+
+#endif /* AMD_GLINDA_NVS_H */
diff --git a/src/soc/amd/glinda/include/soc/pci_devs.h b/src/soc/amd/glinda/include/soc/pci_devs.h
new file mode 100644
index 0000000000..4e0bf9dcb2
--- /dev/null
+++ b/src/soc/amd/glinda/include/soc/pci_devs.h
@@ -0,0 +1,135 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/* TODO: Update for Glinda */
+
+#ifndef AMD_GLINDA_PCI_DEVS_H
+#define AMD_GLINDA_PCI_DEVS_H
+
+#include <device/pci_def.h>
+#include <amdblocks/pci_devs.h>
+
+/* GNB Root Complex */
+#define GNB_DEV 0x0
+#define GNB_FUNC 0
+#define GNB_DEVFN PCI_DEVFN(GNB_DEV, GNB_FUNC)
+#define SOC_GNB_DEV _SOC_DEV(GNB_DEV, GNB_FUNC)
+
+/* IOMMU */
+#define IOMMU_DEV 0x0
+#define IOMMU_FUNC 2
+#define IOMMU_DEVFN PCI_DEVFN(IOMMU_DEV, IOMMU_FUNC)
+#define SOC_IOMMU_DEV _SOC_DEV(IOMMU_DEV, IOMMU_FUNC)
+
+/* PCIe GFX/GPP Bridge device 1 with no ports */
+#define PCIE_GPP_BRIDGE_1_DEV 0x1
+
+/* PCIe GPP Bridge device 2 with up to 6 ports */
+#define PCIE_GPP_BRIDGE_2_DEV 0x2
+
+#define PCIE_GPP_2_0_FUNC 1
+#define PCIE_GPP_2_0_DEVFN PCI_DEVFN(PCIE_GPP_BRIDGE_2_DEV, PCIE_GPP_2_0_FUNC)
+#define SOC_GPP_2_0_DEV _SOC_DEV(PCIE_GPP_BRIDGE_2_DEV, PCIE_GPP_2_0_FUNC)
+
+#define PCIE_GPP_2_1_FUNC 2
+#define PCIE_GPP_2_1_DEVFN PCI_DEVFN(PCIE_GPP_BRIDGE_2_DEV, PCIE_GPP_2_1_FUNC)
+#define SOC_GPP_2_1_DEV _SOC_DEV(PCIE_GPP_BRIDGE_2_DEV, PCIE_GPP_2_1_FUNC)
+
+#define PCIE_GPP_2_2_FUNC 3
+#define PCIE_GPP_2_2_DEVFN PCI_DEVFN(PCIE_GPP_BRIDGE_2_DEV, PCIE_GPP_2_2_FUNC)
+#define SOC_GPP_2_2_DEV _SOC_DEV(PCIE_GPP_BRIDGE_2_DEV, PCIE_GPP_2_2_FUNC)
+
+#define PCIE_GPP_2_3_FUNC 4
+#define PCIE_GPP_2_3_DEVFN PCI_DEVFN(PCIE_GPP_BRIDGE_2_DEV, PCIE_GPP_2_3_FUNC)
+#define SOC_GPP_2_3_DEV _SOC_DEV(PCIE_GPP_BRIDGE_2_DEV, PCIE_GPP_2_3_FUNC)
+
+#define PCIE_GPP_2_4_FUNC 5
+#define PCIE_GPP_2_4_DEVFN PCI_DEVFN(PCIE_GPP_BRIDGE_2_DEV, PCIE_GPP_2_4_FUNC)
+#define SOC_GPP_2_4_DEV _SOC_DEV(PCIE_GPP_BRIDGE_2_DEV, PCIE_GPP_2_4_FUNC)
+
+#define PCIE_GPP_2_5_FUNC 6
+#define PCIE_GPP_2_5_DEVFN PCI_DEVFN(PCIE_GPP_BRIDGE_2_DEV, PCIE_GPP_2_5_FUNC)
+#define SOC_GPP_2_5_DEV _SOC_DEV(PCIE_GPP_BRIDGE_2_DEV, PCIE_GPP_2_5_FUNC)
+
+/* PCIe Bridges to Bus A, Bus B and Bus C devices */
+#define PCIE_ABC_BRIDGE_DEV 0x8
+
+#define PCIE_ABC_A_FUNC 1
+#define PCIE_ABC_A_DEVFN PCI_DEVFN(PCIE_ABC_BRIDGE_DEV, PCIE_ABC_A_FUNC)
+#define SOC_PCIE_ABC_A_DEV _SOC_DEV(PCIE_ABC_BRIDGE_DEV, PCIE_ABC_A_FUNC)
+
+#define GFX_DEV 0x0
+#define GFX_FUNC 0
+#define GFX_DEVFN PCI_DEVFN(GFX_DEV, GFX_FUNC)
+
+#define GFX_HDA_DEV 0x0
+#define GFX_HDA_FUNC 1
+#define GFX_HDA_DEVFN PCI_DEVFN(GFX_HDA_DEV, GFX_HDA_FUNC)
+
+#define XHCI0_DEV 0x0
+#define XHCI0_FUNC 3
+#define XHCI0_DEVFN PCI_DEVFN(XHCI0_DEV, XHCI0_FUNC)
+
+#define XHCI1_DEV 0x0
+#define XHCI1_FUNC 4
+#define XHCI1_DEVFN PCI_DEVFN(XHCI1_DEV, XHCI1_FUNC)
+
+#define AUDIO_DEV 0x0
+#define AUDIO_FUNC 5
+#define AUDIO_DEVFN PCI_DEVFN(AUDIO_DEV, AUDIO_FUNC)
+
+#define HD_AUDIO_DEV 0x0
+#define HD_AUDIO_FUNC 6
+#define HD_AUDIO_DEVFN PCI_DEVFN(HD_AUDIO_DEV, HD_AUDIO_FUNC)
+
+#define PCIE_ABC_B_FUNC 2
+#define PCIE_GPP_B_DEVFN PCI_DEVFN(PCIE_ABC_BRIDGE_DEV, PCIE_ABC_B_FUNC)
+#define SOC_PCIE_GPP_B_DEV _SOC_DEV(PCIE_ABC_BRIDGE_DEV, PCIE_ABC_B_FUNC)
+
+#define PCIE_ABC_C_FUNC 3
+#define PCIE_GPP_C_DEVFN PCI_DEVFN(PCIE_ABC_BRIDGE_DEV, PCIE_ABC_C_FUNC)
+#define SOC_PCIE_GPP_C_DEV _SOC_DEV(PCIE_ABC_BRIDGE_DEV, PCIE_ABC_C_FUNC)
+
+#define XHCI2_DEV 0x0
+#define XHCI2_FUNC 0
+#define XHCI2_DEVFN PCI_DEVFN(XHCI2_DEV, XHCI2_FUNC)
+
+/* SMBUS */
+#define SMBUS_DEV 0x14
+#define SMBUS_FUNC 0
+#define SMBUS_DEVFN PCI_DEVFN(SMBUS_DEV, SMBUS_FUNC)
+#define SOC_SMBUS_DEV _SOC_DEV(SMBUS_DEV, SMBUS_FUNC)
+
+/* LPC BUS */
+#define PCU_DEV 0x14
+#define LPC_FUNC 3
+#define LPC_DEVFN PCI_DEVFN(PCU_DEV, LPC_FUNC)
+#define SOC_LPC_DEV _SOC_DEV(PCU_DEV, LPC_FUNC)
+
+/* Data Fabric functions */
+#define DF_DEV 0x18
+
+#define DF_F0_DEVFN PCI_DEVFN(DF_DEV, 0)
+#define SOC_DF_F0_DEV _SOC_DEV(DF_DEV, 0)
+
+#define DF_F1_DEVFN PCI_DEVFN(DF_DEV, 1)
+#define SOC_DF_F1_DEV _SOC_DEV(DF_DEV, 1)
+
+#define DF_F2_DEVFN PCI_DEVFN(DF_DEV, 2)
+#define SOC_DF_F2_DEV _SOC_DEV(DF_DEV, 2)
+
+#define DF_F3_DEVFN PCI_DEVFN(DF_DEV, 3)
+#define SOC_DF_F3_DEV _SOC_DEV(DF_DEV, 3)
+
+#define DF_F4_DEVFN PCI_DEVFN(DF_DEV, 4)
+#define SOC_DF_F4_DEV _SOC_DEV(DF_DEV, 4)
+
+#define DF_F5_DEVFN PCI_DEVFN(DF_DEV, 5)
+#define SOC_DF_F5_DEV _SOC_DEV(DF_DEV, 5)
+
+#define DF_F6_DEVFN PCI_DEVFN(DF_DEV, 6)
+#define SOC_DF_F6_DEV _SOC_DEV(DF_DEV, 6)
+
+#define DF_F7_DEVFN PCI_DEVFN(DF_DEV, 7)
+#define SOC_DF_F7_DEV _SOC_DEV(DF_DEV, 7)
+
+#endif /* AMD_GLINDA_PCI_DEVS_H */
diff --git a/src/soc/amd/glinda/include/soc/platform_descriptors.h b/src/soc/amd/glinda/include/soc/platform_descriptors.h
new file mode 100644
index 0000000000..281624450d
--- /dev/null
+++ b/src/soc/amd/glinda/include/soc/platform_descriptors.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/* TODO: Update for Glinda */
+
+#ifndef AMD_GLINDA_PLATFORM_DESCRIPTORS_H
+#define AMD_GLINDA_PLATFORM_DESCRIPTORS_H
+
+#include <types.h>
+#include <platform_descriptors.h>
+#include <FspmUpd.h>
+
+/* Mainboard callback to obtain DXI/PCIe and DDI descriptors. */
+void mainboard_get_dxio_ddi_descriptors(
+ const fsp_dxio_descriptor **dxio_descs, size_t *dxio_num,
+ const fsp_ddi_descriptor **ddi_descs, size_t *ddi_num);
+
+void mb_pre_fspm(FSP_M_CONFIG *mcfg);
+
+#endif /* AMD_GLINDA_PLATFORM_DESCRIPTORS_H */
diff --git a/src/soc/amd/glinda/include/soc/psp_transfer.h b/src/soc/amd/glinda/include/soc/psp_transfer.h
new file mode 100644
index 0000000000..2c2b22abee
--- /dev/null
+++ b/src/soc/amd/glinda/include/soc/psp_transfer.h
@@ -0,0 +1,64 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/* TODO: Update for Glinda */
+
+#ifndef AMD_GLINDA_PSP_TRANSFER_H
+#define AMD_GLINDA_PSP_TRANSFER_H
+
+# if (CONFIG_CMOS_RECOVERY_BYTE != 0)
+# define CMOS_RECOVERY_BYTE CONFIG_CMOS_RECOVERY_BYTE
+# elif CONFIG(VBOOT_STARTS_BEFORE_BOOTBLOCK)
+# error "Must set CONFIG_CMOS_RECOVERY_BYTE"
+# endif
+
+#define CMOS_RECOVERY_MAGIC_VAL 0x96
+
+#define TRANSFER_INFO_SIZE 64
+#define TIMESTAMP_BUFFER_SIZE 0x200
+
+#define TRANSFER_MAGIC_VAL 0x50544953
+
+/* Bit definitions for the psp_info field in the PSP transfer_info_struct */
+#define PSP_INFO_PRODUCTION_MODE 0x00000001UL
+#define PSP_INFO_PRODUCTION_SILICON 0x00000002UL
+#define PSP_INFO_VALID 0x80000000UL
+
+/* Area for things that would cause errors in a linker script */
+#if !defined(__ASSEMBLER__)
+#include <stdint.h>
+
+struct transfer_info_struct {
+ uint32_t magic_val; /* Identifier */
+ uint32_t struct_bytes; /* Size of this structure */
+ uint32_t buffer_size; /* Size of the transfer buffer area */
+
+ /* Offsets from start of transfer buffer */
+ uint32_t workbuf_offset;
+ uint32_t console_offset;
+ uint32_t timestamp_offset;
+ uint32_t fmap_offset;
+
+ uint32_t unused1[5];
+
+ /* Fields reserved for the PSP */
+ uint64_t timestamp; /* Offset 0x30 */
+ uint32_t psp_unused; /* Offset 0x38 */
+ uint32_t psp_info; /* Offset 0x3C */
+};
+
+_Static_assert(sizeof(struct transfer_info_struct) == TRANSFER_INFO_SIZE,
+ "TRANSFER_INFO_SIZE is incorrect");
+
+/* Make sure the PSP transferred information over to x86 side. */
+int transfer_buffer_valid(const struct transfer_info_struct *ptr);
+/* Verify vboot work buffer is valid in transfer buffer */
+void verify_psp_transfer_buf(void);
+/* Display the transfer block's PSP_info data */
+void show_psp_transfer_info(void);
+/* Replays the pre-x86 cbmem console into the x86 cbmem console */
+void replay_transfer_buffer_cbmemc(void);
+/* Called by bootblock_c_entry in the VBOOT_STARTS_BEFORE_BOOTBLOCK case */
+void boot_with_psp_timestamp(uint64_t base_timestamp);
+
+#endif
+#endif /* AMD_GLINDA_PSP_TRANSFER_H */
diff --git a/src/soc/amd/glinda/include/soc/psp_verstage_addr.h b/src/soc/amd/glinda/include/soc/psp_verstage_addr.h
new file mode 100644
index 0000000000..d201e397a7
--- /dev/null
+++ b/src/soc/amd/glinda/include/soc/psp_verstage_addr.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/* TODO: Update for Glinda */
+
+#ifndef AMD_GLINDA_PSP_VERSTAGE_ADDR_H
+#define AMD_GLINDA_PSP_VERSTAGE_ADDR_H
+
+/*
+ * Start of available space is 0x0 and this is where the
+ * header for the user app (verstage) must be mapped.
+ * Size is 208KB
+ */
+#define PSP_SRAM_START 0x0
+#define PSP_SRAM_SIZE (208K)
+#define VERSTAGE_START PSP_SRAM_START
+
+/*
+ * The top of the stack must be 4k aligned, so set the bottom as 4k aligned
+ * and make the size a multiple of 4k
+ */
+
+#define PSP_VERSTAGE_STACK_START 0x2a000
+#define PSP_VERSTAGE_STACK_SIZE (40K)
+
+#endif /* AMD_GLINDA_PSP_VERSTAGE_ADDR_H */
diff --git a/src/soc/amd/glinda/include/soc/smi.h b/src/soc/amd/glinda/include/soc/smi.h
new file mode 100644
index 0000000000..611840cdfa
--- /dev/null
+++ b/src/soc/amd/glinda/include/soc/smi.h
@@ -0,0 +1,191 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+/* TODO: Update for Glinda */
+
+#ifndef AMD_GLINDA_SMI_H
+#define AMD_GLINDA_SMI_H
+
+#include <types.h>
+
+#define SMI_GEVENTS 24
+#define SCIMAPS 64 /* 0..63 */
+#define SCI_GPES 32
+#define NUMBER_SMITYPES 160
+
+#define SMI_EVENT_STATUS 0x0
+#define SMI_EVENT_ENABLE 0x04
+#define SMI_SCI_TRIG 0x08
+#define SMI_SCI_LEVEL 0x0c
+#define SMI_SCI_STATUS 0x10
+#define SMI_SCI_EN 0x14
+#define SMI_SCI_MAP0 0x40
+# define SMI_SCI_MAP(X) (SMI_SCI_MAP0 + (X))
+
+/* SMI source and status */
+#define SMITYPE_G_GENINT1_L 0
+#define SMITYPE_G_GENINT2_L 1
+#define SMITYPE_G_AGPIO3 2
+#define SMITYPE_G_ESPI_ALERT_L 3
+#define SMITYPE_G_AGPIO4 4
+#define SMITYPE_G_BLINK 5
+#define SMITYPE_G_SPKR 6
+#define SMITYPE_G_AGPIO5 7
+#define SMITYPE_G_WAKE_L 8
+#define SMITYPE_G_SPI_TPM_CS_L 9
+#define SMITYPE_G_AGPIO6 10
+#define SMITYPE_G_AGPIO7 11
+#define SMITYPE_G_USBOC0_L 12
+#define SMITYPE_G_USBOC1_L 13
+#define SMITYPE_G_USBOC2_L 14
+#define SMITYPE_G_USBOC3_L 15
+#define SMITYPE_G_AGPIO23 16
+#define SMITYPE_G_AGPIO32 17
+#define SMITYPE_G_FANIN0 18
+#define SMITYPE_G_SYSRESET_L 19
+#define SMITYPE_G_AGPIO40 20
+#define SMITYPE_G_PWR_BTN_L 21
+#define SMITYPE_G_AGPIO9 22
+#define SMITYPE_G_AGPIO8 23
+#define GEVENT_MASK ((1 << SMITYPE_G_GENINT1_L) \
+ | (1 << SMITYPE_G_GENINT2_L) \
+ | (1 << SMITYPE_G_AGPIO3) \
+ | (1 << SMITYPE_G_ESPI_ALERT_L) \
+ | (1 << SMITYPE_G_AGPIO4) \
+ | (1 << SMITYPE_G_BLINK) \
+ | (1 << SMITYPE_G_SPKR) \
+ | (1 << SMITYPE_G_AGPIO5) \
+ | (1 << SMITYPE_G_WAKE_L) \
+ | (1 << SMITYPE_G_SPI_TPM_CS_L) \
+ | (1 << SMITYPE_G_AGPIO6) \
+ | (1 << SMITYPE_G_AGPIO7) \
+ | (1 << SMITYPE_G_USBOC0_L) \
+ | (1 << SMITYPE_G_USBOC1_L) \
+ | (1 << SMITYPE_G_USBOC2_L) \
+ | (1 << SMITYPE_G_USBOC3_L) \
+ | (1 << SMITYPE_G_AGPIO23) \
+ | (1 << SMITYPE_G_AGPIO32) \
+ | (1 << SMITYPE_G_FANIN0) \
+ | (1 << SMITYPE_G_SYSRESET_L) \
+ | (1 << SMITYPE_G_AGPIO40) \
+ | (1 << SMITYPE_G_PWR_BTN_L) \
+ | (1 << SMITYPE_G_AGPIO9) \
+ | (1 << SMITYPE_G_AGPIO8))
+#define SMITYPE_MP2_WAKE 24
+#define SMITYPE_MP2_GPIO0 25
+#define SMITYPE_ESPI_SYS 26
+#define SMITYPE_ESPI_WAKE_PME 27
+#define SMITYPE_MP2_GPIO1 28
+#define SMITYPE_GPP_PME 29
+#define SMITYPE_NB_GPP_HOT_PLUG 30
+/* 31 Reserved */
+#define SMITYPE_WAKE_L2 32
+#define SMITYPE_PSP 33
+/* 34,35 Reserved */
+#define SMITYPE_ESPI_SCI_B 36
+#define SMITYPE_CIO_FCH_PME_S5_0 37
+#define SMITYPE_CIO_FCH_PME_S5_1 38
+#define SMITYPE_AZPME 39
+#define SMITYPE_USB_PD_I2C4 40
+#define SMITYPE_GPIO_CTL 41
+#define SMITYPE_XHC2_PME 42
+#define SMITYPE_ALT_HPET_ALARM 43
+#define SMITYPE_FAN_THERMAL 44
+#define SMITYPE_ASF_MASTER_SLAVE 45
+#define SMITYPE_I2S_WAKE 46
+#define SMITYPE_SMBUS0_MASTER 47
+#define SMITYPE_TWARN 48
+#define SMITYPE_TRAFFIC_MON 49
+#define SMITYPE_ILLB 50
+#define SMITYPE_PWRBUTTON_UP 51
+#define SMITYPE_PROCHOT 52
+#define SMITYPE_APU_HW 53
+#define SMITYPE_NB_SCI 54
+#define SMITYPE_RAS_SERR 55
+#define SMITYPE_XHC0_PME 56
+#define SMITYPE_XHC1_PME 57
+#define SMITYPE_ACDC_TIMER 58
+/* 59-60 Reserved */
+#define SMITYPE_XHC3_PME 61
+#define SMITYPE_XHC4_PME 62
+#define SMITYPE_CUR_TEMP_STATUS_5 63
+#define SMITYPE_KB_RESET 64
+#define SMITYPE_SLP_TYP 65
+#define SMITYPE_AL2H_ACPI 66
+/* 67 Reserved */
+#define SMITYPE_NB_GPP_PME_PULSE 68
+#define SMITYPE_NB_GPP_HP_PULSE 69
+#define SMITYPE_USB_PD_I2C4_INTR2 70
+/* 71 Reserved */
+#define SMITYPE_GBL_RLS 72
+#define SMITYPE_BIOS_RLS 73
+#define SMITYPE_PWRBUTTON_DOWN 74
+#define SMITYPE_SMI_CMD_PORT 75
+#define SMITYPE_USB_SMI 76
+#define SMITYPE_SERIRQ 77
+#define SMITYPE_SMBUS0_INTR 78
+/* 79-80 Reserved */
+#define SMITYPE_INTRUDER 81
+#define SMITYPE_VBAT_LOW 82
+#define SMITYPE_PROTHOT 83
+#define SMITYPE_PCI_SERR 84
+/* 85-89 Reserved */
+#define SMITYPE_EMUL60_64 90
+/* 91-132 Reserved */
+#define SMITYPE_FANIN0 133
+/* 134-140 Reserved */
+#define SMITYPE_CF9_WRITE 141
+#define SMITYPE_SHORT_TIMER 142
+#define SMITYPE_LONG_TIMER 143
+#define SMITYPE_AB_SMI 144
+#define SMITYPE_ANY_RESET 145
+#define SMITYPE_ESPI_SMI 146
+/* 147 Reserved */
+#define SMITYPE_IOTRAP0 148
+#define SMITYPE_IOTRAP1 149
+#define SMITYPE_IOTRAP2 150
+#define SMITYPE_IOTRAP3 151
+#define SMITYPE_MEMTRAP0 152
+/* 153-155 Reserved */
+#define SMITYPE_CFGTRAP0 156
+/* 157-159 Reserved */
+
+#define TYPE_TO_MASK(X) (1 << (X) % 32)
+
+#define SMI_REG_SMISTS0 0x80
+#define SMI_REG_SMISTS1 0x84
+#define SMI_REG_SMISTS2 0x88
+#define SMI_REG_SMISTS3 0x8c
+#define SMI_REG_SMISTS4 0x90
+
+#define SMI_REG_POINTER 0x94
+# define SMI_STATUS_SRC_SCI (1 << 0)
+# define SMI_STATUS_SRC_0 (1 << 1) /* SMIx80 */
+# define SMI_STATUS_SRC_1 (1 << 2) /* SMIx84... */
+# define SMI_STATUS_SRC_2 (1 << 3)
+# define SMI_STATUS_SRC_3 (1 << 4)
+# define SMI_STATUS_SRC_4 (1 << 5)
+
+#define SMI_TIMER 0x96
+#define SMI_TIMER_MASK 0x7fff
+#define SMI_TIMER_EN (1 << 15)
+
+#define SMI_REG_SMITRIG0 0x98
+# define SMITRIG0_PSP (1 << 25)
+# define SMITRG0_EOS (1 << 28)
+# define SMI_TIMER_SEL (1 << 29)
+# define SMITRG0_SMIENB (1 << 31)
+
+#define SMI_REG_CONTROL0 0xa0
+#define SMI_REG_CONTROL1 0xa4
+#define SMI_REG_CONTROL2 0xa8
+#define SMI_REG_CONTROL3 0xac
+#define SMI_REG_CONTROL4 0xb0
+#define SMI_REG_CONTROL5 0xb4
+#define SMI_REG_CONTROL6 0xb8
+#define SMI_REG_CONTROL7 0xbc
+#define SMI_REG_CONTROL8 0xc0
+#define SMI_REG_CONTROL9 0xc4
+
+#define SMI_MODE_MASK 0x03
+
+#endif /* AMD_GLINDA_SMI_H */
diff --git a/src/soc/amd/glinda/include/soc/smu.h b/src/soc/amd/glinda/include/soc/smu.h
new file mode 100644
index 0000000000..32d5856df6
--- /dev/null
+++ b/src/soc/amd/glinda/include/soc/smu.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/* TODO: Update for Glinda */
+
+#ifndef AMD_GLINDA_SMU_H
+#define AMD_GLINDA_SMU_H
+
+/* SMU mailbox register offsets in SMN */
+#define SMN_SMU_MESG_ID 0x3b10528
+#define SMN_SMU_MESG_RESP 0x3b10578
+#define SMN_SMU_MESG_ARGS_BASE 0x3b10998
+
+#define SMU_NUM_ARGS 6
+
+enum smu_message_id {
+ SMC_MSG_S3ENTRY = 0x0b,
+};
+
+/*
+ * Request the SMU put system into S3, S4, or S5. On entry, SlpTyp determines S-State and
+ * SlpTypeEn gets set by the SMU. Function does not return if successful.
+ */
+void smu_sx_entry(void);
+
+#endif /* AMD_GLINDA_SMU_H */
diff --git a/src/soc/amd/glinda/include/soc/southbridge.h b/src/soc/amd/glinda/include/soc/southbridge.h
new file mode 100644
index 0000000000..32945e88ff
--- /dev/null
+++ b/src/soc/amd/glinda/include/soc/southbridge.h
@@ -0,0 +1,124 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/* TODO: Update for Glinda */
+
+#ifndef AMD_GLINDA_SOUTHBRIDGE_H
+#define AMD_GLINDA_SOUTHBRIDGE_H
+
+#include <soc/iomap.h>
+
+/* Power management registers: 0xfed80300 or index/data at IO 0xcd6/cd7 */
+#define PM_ISACONTROL 0x04
+#define ABCLKGATEEN BIT(16)
+#define PM_PCI_CTRL 0x08
+#define FORCE_SLPSTATE_RETRY BIT(25)
+#define PWR_RESET_CFG 0x10
+#define TOGGLE_ALL_PWR_GOOD (1 << 1)
+#define PM_SERIRQ_CONF 0x54
+#define PM_SERIRQ_NUM_BITS_17 0x0000
+#define PM_SERIRQ_NUM_BITS_18 0x0004
+#define PM_SERIRQ_NUM_BITS_19 0x0008
+#define PM_SERIRQ_NUM_BITS_20 0x000c
+#define PM_SERIRQ_NUM_BITS_21 0x0010
+#define PM_SERIRQ_NUM_BITS_22 0x0014
+#define PM_SERIRQ_NUM_BITS_23 0x0018
+#define PM_SERIRQ_NUM_BITS_24 0x001c
+#define PM_SERIRQ_MODE BIT(6)
+#define PM_SERIRQ_ENABLE BIT(7)
+#define PM_EVT_BLK 0x60
+#define WAK_STS BIT(15) /*AcpiPmEvtBlkx00 Pm1Status */
+#define PCIEXPWAK_STS BIT(14)
+#define RTC_STS BIT(10)
+#define PWRBTN_STS BIT(8)
+#define GBL_STS BIT(5)
+#define BM_STS BIT(4)
+#define TIMER_STS BIT(0)
+#define PCIEXPWAK_DIS BIT(14) /*AcpiPmEvtBlkx02 Pm1Enable */
+#define RTC_EN BIT(10)
+#define PWRBTN_EN BIT(8)
+#define GBL_EN BIT(5)
+#define TIMER_STS BIT(0)
+#define PM1_CNT_BLK 0x62
+#define PM_TMR_BLK 0x64
+#define PM_GPE0_BLK 0x68
+#define PM_ACPI_SMI_CMD 0x6a
+#define PM_ACPI_CONF 0x74
+#define PM_ACPI_DECODE_STD BIT(0)
+#define PM_ACPI_GLOBAL_EN BIT(1)
+#define PM_ACPI_RTC_EN_EN BIT(2)
+#define PM_ACPI_SLPBTN_EN_EN BIT(3)
+#define PM_ACPI_TIMER_EN_EN BIT(4)
+#define PM_ACPI_MASK_ARB_DIS BIT(6)
+#define PM_ACPI_BIOS_RLS BIT(7)
+#define PM_ACPI_PWRBTNEN_EN BIT(8)
+#define PM_ACPI_REDUCED_HW_EN BIT(9)
+#define PM_ACPI_S5_LPC_PIN_MODE_SEL BIT(10)
+#define PM_ACPI_S5_LPC_PIN_MODE BIT(11)
+#define PM_ACPI_LPC_RST_DIS BIT(12)
+#define PM_ACPI_SEL_PWRGD_PAD BIT(13)
+#define PM_ACPI_SEL_SMU_THERMTRIP BIT(14)
+#define PM_ACPI_SW_S5PWRMUX_OVRD_N BIT(15)
+#define PM_ACPI_SW_S5PWRMUX BIT(16)
+#define PM_ACPI_EN_SHUTDOWN_MSG BIT(17)
+#define PM_ACPI_EN_SYNC_FLOOD BIT(18)
+#define PM_ACPI_FORCE_SPIUSEPIN_0 BIT(19)
+#define PM_ACPI_EN_DF_INTRWAKE BIT(20)
+#define PM_ACPI_MASK_USB_S5_RST BIT(21)
+#define PM_ACPI_USE_RSMU_RESET BIT(22)
+#define PM_ACPI_RST_USB_S5 BIT(23)
+#define PM_ACPI_BLOCK_PCIE_PME BIT(24)
+#define PM_ACPI_PCIE_WAK_MASK BIT(25)
+#define PM_ACPI_PCIE_WAK_INTR_DIS BIT(26)
+#define PM_ACPI_WAKE_AS_GEVENT BIT(27)
+#define PM_ACPI_NB_PME_GEVENT BIT(28)
+#define PM_ACPI_RTC_WAKE_EN BIT(29)
+#define PM_ACPI_USE_GATED_ALINK_CLK BIT(30)
+#define PM_ACPI_DELAY_GPP_OFF_TIME BIT(31)
+#define PM_SPI_PAD_PU_PD 0x90
+#define PM_LPC_GATING 0xec
+#define PM_LPC_AB_NO_BYPASS_EN BIT(2)
+#define PM_LPC_A20_EN BIT(1)
+#define PM_LPC_ENABLE BIT(0)
+
+#define PM1_LIMIT 16
+#define GPE0_LIMIT 32
+#define TOTAL_BITS(a) (8 * sizeof(a))
+
+#define FCH_LEGACY_UART_DECODE (ALINK_AHB_ADDRESS + 0x20) /* 0xfedc0020 */
+
+/* FCH MISC Registers 0xfed80e00 */
+#define GPP_CLK_CNTRL 0x00
+#define GPP_CLK0_REQ_SHIFT 0
+#define GPP_CLK1_REQ_SHIFT 2
+#define GPP_CLK4_REQ_SHIFT 4
+#define GPP_CLK2_REQ_SHIFT 6
+#define GPP_CLK3_REQ_SHIFT 8
+#define GPP_CLK5_REQ_SHIFT 10
+#define GPP_CLK6_REQ_SHIFT 12
+#define GPP_CLK_OUTPUT_COUNT 7
+#define GPP_CLK_OUTPUT_AVAILABLE 4
+#define GPP_CLK_REQ_MASK(clk_shift) (0x3 << (clk_shift))
+#define GPP_CLK_REQ_ON(clk_shift) (0x3 << (clk_shift))
+#define GPP_CLK_REQ_EXT(clk_shift) (0x1 << (clk_shift))
+#define GPP_CLK_REQ_OFF(clk_shift) (0x0 << (clk_shift))
+
+#define MISC_CLKGATEDCNTL 0x2c
+#define ALINKCLK_GATEOFFEN BIT(16)
+#define BLINKCLK_GATEOFFEN BIT(17)
+#define XTAL_PAD_S0I3_TURNOFF_EN BIT(19)
+#define XTAL_PAD_S3_TURNOFF_EN BIT(20)
+#define XTAL_PAD_S5_TURNOFF_EN BIT(21)
+#define MISC_CGPLL_CONFIGURATION0 0x30
+#define USB_PHY_CMCLK_S3_DIS BIT(8)
+#define USB_PHY_CMCLK_S0I3_DIS BIT(9)
+#define USB_PHY_CMCLK_S5_DIS BIT(10)
+#define MISC_CLK_CNTL0 0x40 /* named MISC_CLK_CNTL1 on Picasso */
+#define BP_X48M0_S0I3_DIS BIT(4)
+#define BP_X48M0_OUTPUT_EN BIT(2) /* 1=En, unlike Hudson, Kern */
+
+void fch_pre_init(void);
+void fch_early_init(void);
+void fch_init(void *chip_info);
+void fch_final(void *chip_info);
+
+#endif /* AMD_GLINDA_SOUTHBRIDGE_H */
diff --git a/src/soc/amd/glinda/include/soc/uart.h b/src/soc/amd/glinda/include/soc/uart.h
new file mode 100644
index 0000000000..0188610af6
--- /dev/null
+++ b/src/soc/amd/glinda/include/soc/uart.h
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/* TODO: Update for Glinda */
+
+#ifndef AMD_GLINDA_UART_H
+#define AMD_GLINDA_UART_H
+
+#include <types.h>
+
+void clear_uart_legacy_config(void); /* disable legacy I/O decode for FCH UART */
+
+#endif /* AMD_GLINDA_UART_H */