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-rw-r--r--src/mainboard/amd/pademelon/BiosCallOuts.c8
-rw-r--r--src/mainboard/amd/pademelon/BiosCallOuts.h33
-rw-r--r--src/mainboard/amd/pademelon/Kconfig74
-rw-r--r--src/mainboard/amd/pademelon/Kconfig.name2
-rw-r--r--src/mainboard/amd/pademelon/Makefile.inc14
-rw-r--r--src/mainboard/amd/pademelon/OemCustomize.c37
-rw-r--r--src/mainboard/amd/pademelon/acpi/gpe.asl25
-rw-r--r--src/mainboard/amd/pademelon/acpi/routing.asl201
-rw-r--r--src/mainboard/amd/pademelon/acpi/sleep.asl57
-rw-r--r--src/mainboard/amd/pademelon/acpi/usb_oc.asl13
-rw-r--r--src/mainboard/amd/pademelon/board_info.txt7
-rw-r--r--src/mainboard/amd/pademelon/bootblock/OemCustomize.c151
-rw-r--r--src/mainboard/amd/pademelon/bootblock/bootblock.c49
-rw-r--r--src/mainboard/amd/pademelon/devicetree.cb41
-rw-r--r--src/mainboard/amd/pademelon/dsdt.asl62
-rw-r--r--src/mainboard/amd/pademelon/fan_init.c82
-rw-r--r--src/mainboard/amd/pademelon/gpio.c53
-rw-r--r--src/mainboard/amd/pademelon/gpio.h11
-rw-r--r--src/mainboard/amd/pademelon/hda_verb.c29
-rw-r--r--src/mainboard/amd/pademelon/mainboard.c115
-rw-r--r--src/mainboard/amd/pademelon/override-merlinfalcon.cb12
-rw-r--r--src/mainboard/amd/pademelon/override-prairiefalcon.cb10
-rw-r--r--src/mainboard/amd/pademelon/romstage.c8
23 files changed, 1094 insertions, 0 deletions
diff --git a/src/mainboard/amd/pademelon/BiosCallOuts.c b/src/mainboard/amd/pademelon/BiosCallOuts.c
new file mode 100644
index 0000000000..c296285277
--- /dev/null
+++ b/src/mainboard/amd/pademelon/BiosCallOuts.c
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <amdblocks/BiosCallOuts.h>
+
+void platform_FchParams_env(FCH_DATA_BLOCK *FchParams_env)
+{
+
+}
diff --git a/src/mainboard/amd/pademelon/BiosCallOuts.h b/src/mainboard/amd/pademelon/BiosCallOuts.h
new file mode 100644
index 0000000000..7fa5675678
--- /dev/null
+++ b/src/mainboard/amd/pademelon/BiosCallOuts.h
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#define FAN_INPUT_INTERNAL_DIODE 0
+#define FAN_INPUT_TEMP0 1
+#define FAN_INPUT_TEMP1 2
+#define FAN_INPUT_TEMP2 3
+#define FAN_INPUT_TEMP3 4
+#define FAN_INPUT_TEMP0_FILTER 5
+#define FAN_INPUT_ZERO 6
+#define FAN_INPUT_DISABLED 7
+
+#define FAN_AUTOMODE (1 << 0)
+#define FAN_LINEARMODE (1 << 1)
+#define FAN_STEPMODE ~(1 << 1)
+#define FAN_POLARITY_HIGH (1 << 2)
+#define FAN_POLARITY_LOW ~(1 << 2)
+
+/* Normally, 4-wire fans runs at 25KHz and 3-wire fans runs at 100Hz */
+#define FREQ_28KHZ 0x0
+#define FREQ_25KHZ 0x1
+#define FREQ_23KHZ 0x2
+#define FREQ_21KHZ 0x3
+#define FREQ_29KHZ 0x4
+#define FREQ_18KHZ 0x5
+#define FREQ_100HZ 0xF7
+#define FREQ_87HZ 0xF8
+#define FREQ_58HZ 0xF9
+#define FREQ_44HZ 0xFA
+#define FREQ_35HZ 0xFB
+#define FREQ_29HZ 0xFC
+#define FREQ_22HZ 0xFD
+#define FREQ_14HZ 0xFE
+#define FREQ_11HZ 0xFF
diff --git a/src/mainboard/amd/pademelon/Kconfig b/src/mainboard/amd/pademelon/Kconfig
new file mode 100644
index 0000000000..9890d7f61c
--- /dev/null
+++ b/src/mainboard/amd/pademelon/Kconfig
@@ -0,0 +1,74 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+if BOARD_AMD_PADEMELON
+
+config BOARD_SPECIFIC_OPTIONS
+ def_bool y
+ select SOC_AMD_STONEYRIDGE
+ select AMD_APU_PKG_FP4
+ select BOARD_ROMSIZE_KB_8192
+ select DRIVERS_I2C_GENERIC
+ select HAVE_ACPI_TABLES
+ select GFXUMA
+ select STONEYRIDGE_LEGACY_FREE
+ select ONBOARD_VGA_IS_PRIMARY
+ select SUPERIO_FINTEK_F81803A
+ select SUPERIO_FINTEK_COMMON_PRE_RAM
+ select SUPERIO_FINTEK_FAN_CONTROL
+ select SUPERIO_FINTEK_FAN_API_CALL
+ select AZALIA_PLUGIN_SUPPORT
+
+config MAINBOARD_DIR
+ default "amd/pademelon"
+
+config MAINBOARD_PART_NUMBER
+ default "Pademelon"
+
+choice
+ prompt "SOC used in pademelon board"
+ default PADEMELON_MERLIN_FALCON
+
+config PADEMELON_MERLIN_FALCON
+ bool "Merlin Falcon"
+ select AMD_APU_MERLINFALCON
+
+config PADEMELON_PRAIRIE_FALCON
+ bool "Prairie Falcon"
+ select AMD_APU_PRAIRIEFALCON
+
+endchoice
+
+
+config OVERRIDE_DEVICETREE
+ default "override-merlinfalcon.cb" if PADEMELON_MERLIN_FALCON
+ default "override-prairiefalcon.cb" if PADEMELON_PRAIRIE_FALCON
+
+config MAX_CPUS
+ int
+ default 4
+
+config IRQ_SLOT_COUNT
+ int
+ default 11
+
+config VGA_BIOS
+ default y if USE_AMD_BLOBS
+
+config HWM_PORT
+ hex
+ default 0x0225
+ help
+ HWM base address must be an odd address. Hardware monitor used
+ addresses are HWM_PORT for index an HWM_PORT + 1 for data.
+ If changed, make sure fan_init.c IO window setting. The HWM
+ (Hardware Monitor) is used for fan control within pademelon.
+
+if !EM100
+config EFS_SPI_READ_MODE
+ default 4 # Dual IO (1-2-2)
+
+config EFS_SPI_SPEED
+ default 0 # 66MHz
+endif
+
+endif # BOARD_AMD_PADEMELON
diff --git a/src/mainboard/amd/pademelon/Kconfig.name b/src/mainboard/amd/pademelon/Kconfig.name
new file mode 100644
index 0000000000..5a9020b42e
--- /dev/null
+++ b/src/mainboard/amd/pademelon/Kconfig.name
@@ -0,0 +1,2 @@
+config BOARD_AMD_PADEMELON
+ bool "Pademelon"
diff --git a/src/mainboard/amd/pademelon/Makefile.inc b/src/mainboard/amd/pademelon/Makefile.inc
new file mode 100644
index 0000000000..30fd82c293
--- /dev/null
+++ b/src/mainboard/amd/pademelon/Makefile.inc
@@ -0,0 +1,14 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+bootblock-y += bootblock/bootblock.c
+bootblock-y += bootblock/OemCustomize.c
+bootblock-y += gpio.c
+
+romstage-y += BiosCallOuts.c
+romstage-y += bootblock/OemCustomize.c
+romstage-y += OemCustomize.c
+
+ramstage-y += BiosCallOuts.c
+ramstage-y += gpio.c
+ramstage-y += OemCustomize.c
+ramstage-$(CONFIG_SUPERIO_FINTEK_FAN_API_CALL) += fan_init.c
diff --git a/src/mainboard/amd/pademelon/OemCustomize.c b/src/mainboard/amd/pademelon/OemCustomize.c
new file mode 100644
index 0000000000..e65f750cd5
--- /dev/null
+++ b/src/mainboard/amd/pademelon/OemCustomize.c
@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <soc/amd/stoneyridge/chip.h>
+#include <amdblocks/agesawrapper.h>
+
+#define DIMMS_PER_CHANNEL 1
+#if DIMMS_PER_CHANNEL > MAX_DIMMS_PER_CH
+#error "Too many DIMM sockets defined for the mainboard"
+#endif
+
+static const PSO_ENTRY DDR4PlatformMemoryConfiguration[] = {
+ DRAM_TECHNOLOGY(ANY_SOCKET, DDR4_TECHNOLOGY),
+ NUMBER_OF_DIMMS_SUPPORTED(ANY_SOCKET, CHANNEL_A, 1),
+ NUMBER_OF_DIMMS_SUPPORTED(ANY_SOCKET, CHANNEL_B, 1),
+ NUMBER_OF_CHANNELS_SUPPORTED(ANY_SOCKET, MAX_DRAM_CH),
+ MOTHER_BOARD_LAYERS(LAYERS_6),
+ MEMCLK_DIS_MAP(ANY_SOCKET, CHANNEL_A, 0x01, 0x02, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00),
+ MEMCLK_DIS_MAP(ANY_SOCKET, CHANNEL_B, 0x01, 0x02, 0x08, 0x04,
+ 0x00, 0x00, 0x00, 0x00),
+ CKE_TRI_MAP(ANY_SOCKET, CHANNEL_A, 0x01, 0x02, 0x00, 0x00),
+ CKE_TRI_MAP(ANY_SOCKET, CHANNEL_B, 0x05, 0x0A, 0x00, 0x00),
+ ODT_TRI_MAP(ANY_SOCKET, CHANNEL_A, 0x01, 0x00, 0x02, 0x00),
+ ODT_TRI_MAP(ANY_SOCKET, CHANNEL_B, 0x01, 0x04, 0x02, 0x08),
+ CS_TRI_MAP(ANY_SOCKET, CHANNEL_A, 0x01, 0x02, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00),
+ CS_TRI_MAP(ANY_SOCKET, CHANNEL_B, 0x01, 0x02, 0x04, 0x08, 0x00,
+ 0x00, 0x00, 0x00),
+ PSO_END
+};
+
+void OemPostParams(AMD_POST_PARAMS *PostParams)
+{
+ PostParams->MemConfig.PlatformMemoryConfiguration =
+ (PSO_ENTRY *)DDR4PlatformMemoryConfiguration;
+ PostParams->MemConfig.CfgUmaAbove4G = TRUE;
+}
diff --git a/src/mainboard/amd/pademelon/acpi/gpe.asl b/src/mainboard/amd/pademelon/acpi/gpe.asl
new file mode 100644
index 0000000000..96a221e5b9
--- /dev/null
+++ b/src/mainboard/amd/pademelon/acpi/gpe.asl
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+External (\_SB.PCI0.AZHD, DeviceObj)
+
+Scope(\_GPE) { /* Start Scope GPE */
+
+ /* General event 3 */
+ Method(_L03) {
+ /* DBGO("\\_GPE\\_L03\n") */
+ Notify(\_SB.PWRB, 0x02) /* SIO psin -> NOTIFY_DEVICE_WAKE */
+ }
+
+ /* Power Button - PCIe Wake */
+ Method(_L08) {
+ /* DBGO("\\_GPE\\_L08\n") */
+ \_SB.SIO0.CPSI() /* clear psin state in sio */
+ Notify(\_SB.PCI0.PBR4, 0x02) /* NOTIFY_DEVICE_WAKE */
+ Notify(\_SB.PCI0.PBR5, 0x02) /* NOTIFY_DEVICE_WAKE */
+ Notify(\_SB.PCI0.PBR6, 0x02) /* NOTIFY_DEVICE_WAKE */
+ Notify(\_SB.PCI0.PBR7, 0x02) /* NOTIFY_DEVICE_WAKE */
+ Notify(\_SB.PCI0.PBR8, 0x02) /* NOTIFY_DEVICE_WAKE */
+ Notify(\_SB.PCI0.AZHD, 0x02) /* NOTIFY_DEVICE_WAKE */
+ Notify(\_SB.PWRB, 0x02) /* NOTIFY_DEVICE_WAKE */
+ }
+} /* End Scope GPE */
diff --git a/src/mainboard/amd/pademelon/acpi/routing.asl b/src/mainboard/amd/pademelon/acpi/routing.asl
new file mode 100644
index 0000000000..de6ff3d92f
--- /dev/null
+++ b/src/mainboard/amd/pademelon/acpi/routing.asl
@@ -0,0 +1,201 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/* Routing is in System Bus scope */
+Name(PR0, Package(){
+ /* NB devices */
+ /* Bus 0, Dev 0 - F15 Host Controller */
+
+ /* Bus 0, Dev 1 - PCI Bridge for Internal Graphics(IGP) */
+ /* Bus 0, Dev 1, Func 1 - HDMI Audio Controller */
+ Package(){0x0001FFFF, 0, INTB, 0 },
+ Package(){0x0001FFFF, 1, INTC, 0 },
+
+ /* Bus 0, Dev 2 Func 0,1,2,3,4,5 - PCIe Bridges */
+ Package(){0x0002FFFF, 0, INTC, 0 },
+ Package(){0x0002FFFF, 1, INTD, 0 },
+ Package(){0x0002FFFF, 2, INTA, 0 },
+ Package(){0x0002FFFF, 3, INTB, 0 },
+
+ /* FCH devices */
+ /* Bus 0, Dev 20 - F0:SMBus/ACPI,F2:HDAudio;F3:LPC;F7:SD */
+ Package(){0x0014FFFF, 0, INTA, 0 },
+ Package(){0x0014FFFF, 1, INTB, 0 },
+ Package(){0x0014FFFF, 2, INTC, 0 },
+ Package(){0x0014FFFF, 3, INTD, 0 },
+
+ /* Bus 0, Dev 18 Func 0 - USB: EHCI */
+ Package(){0x0012FFFF, 0, INTC, 0 },
+ Package(){0x0012FFFF, 1, INTB, 0 },
+
+ /* Bus 0, Dev 16 Func 0 - USB: xHCI */
+ Package(){0x0010FFFF, 0, INTC, 0 },
+ Package(){0x0010FFFF, 1, INTB, 0 },
+
+ /* Bus 0, Dev 17 - SATA controller */
+ Package(){0x0011FFFF, 0, INTD, 0 },
+})
+
+Name(APR0, Package(){
+ /* NB devices in APIC mode */
+ /* Bus 0, Dev 0 - F15 Host Controller */
+
+ /* Bus 0, Dev 1 - PCI Bridge for Internal Graphics(IGP) */
+ Package(){0x0001FFFF, 0, 0, 43 },
+ Package(){0x0001FFFF, 1, 0, 40 },
+
+ /* Bus 0, Dev 2 - PCIe Bridges */
+ Package(){0x0002FFFF, 0, 0, 44 },
+ Package(){0x0002FFFF, 1, 0, 45 },
+ Package(){0x0002FFFF, 2, 0, 46 },
+ Package(){0x0002FFFF, 3, 0, 47 },
+
+ Package(){0x0003FFFF, 0, 0, 49 },
+ Package(){0x0003FFFF, 1, 0, 50 },
+ Package(){0x0003FFFF, 2, 0, 51 },
+ Package(){0x0003FFFF, 3, 0, 52 },
+
+ Package(){0x0008FFFF, 0, 0, 35 },
+ Package(){0x0008FFFF, 1, 0, 32 },
+ Package(){0x0008FFFF, 2, 0, 33 },
+ Package(){0x0008FFFF, 3, 0, 34 },
+
+ /* SB devices in APIC mode */
+ /* Bus 0, Dev 20 - F0:SMBus/ACPI,F2:HDAudio;F3:LPC;F7:SD */
+ Package(){0x0014FFFF, 0, 0, 16 },
+ Package(){0x0014FFFF, 1, 0, 17 },
+ Package(){0x0014FFFF, 2, 0, 18 },
+ Package(){0x0014FFFF, 3, 0, 19 },
+
+ /* Bus 0, Dev 18, 19, 22 Func 0 - USB: OHCI */
+ /* Bus 0, Dev 18, 19, 22 Func 1 - USB: EHCI */
+ Package(){0x0012FFFF, 0, 0, 18 },
+ Package(){0x0012FFFF, 1, 0, 17 },
+
+ Package(){0x0013FFFF, 0, 0, 18 },
+ Package(){0x0013FFFF, 1, 0, 17 },
+
+ /* Bus 0, Dev 16 - USB: XHCI func 0, 1 */
+ Package(){0x0010FFFF, 0, 0, 18},
+ Package(){0x0010FFFF, 1, 0, 17},
+
+ /* Bus 0, Dev 17 - SATA controller */
+ Package(){0x0011FFFF, 0, 0, 19 },
+
+ /* Bus 0, Dev 9, Func 2 - HDAudio */
+ Package(){0x0009FFFF, 0, 0, 46 },
+ Package(){0x0009FFFF, 1, 0, 47 },
+ Package(){0x0009FFFF, 2, 0, 44 },
+ Package(){0x0009FFFF, 3, 0, 45 },
+})
+
+Name(PS4, Package(){
+ Package(){0x0000FFFF, 0, INTA, 0 },
+ Package(){0x0000FFFF, 1, INTB, 0 },
+ Package(){0x0000FFFF, 2, INTC, 0 },
+ Package(){0x0000FFFF, 3, INTD, 0 },
+})
+Name(APS4, Package(){
+ /* PCIe slot - Hooked to PCIe slot 4 */
+ Package(){0x0000FFFF, 0, 0, 24 },
+ Package(){0x0000FFFF, 1, 0, 25 },
+ Package(){0x0000FFFF, 2, 0, 26 },
+ Package(){0x0000FFFF, 3, 0, 27 },
+})
+
+/* GPP 1 */
+Name(PS5, Package(){
+ Package(){0x0000FFFF, 0, INTA, 0 },
+ Package(){0x0000FFFF, 1, INTB, 0 },
+ Package(){0x0000FFFF, 2, INTC, 0 },
+ Package(){0x0000FFFF, 3, INTD, 0 },
+})
+Name(APS5, Package(){
+ Package(){0x0000FFFF, 0, 0, 32 },
+ Package(){0x0000FFFF, 1, 0, 33 },
+ Package(){0x0000FFFF, 2, 0, 34 },
+ Package(){0x0000FFFF, 3, 0, 35 },
+})
+
+/* GPP 2 */
+Name(PS6, Package(){
+ Package(){0x0000FFFF, 0, INTA, 0 },
+ Package(){0x0000FFFF, 1, INTB, 0 },
+ Package(){0x0000FFFF, 2, INTC, 0 },
+ Package(){0x0000FFFF, 3, INTD, 0 },
+})
+Name(APS6, Package(){
+ Package(){0x0000FFFF, 0, 0, 40 },
+ Package(){0x0000FFFF, 1, 0, 41 },
+ Package(){0x0000FFFF, 2, 0, 42 },
+ Package(){0x0000FFFF, 3, 0, 43 },
+})
+
+/* GPP 3 */
+Name(PS7, Package(){
+ Package(){0x0000FFFF, 0, INTA, 0 },
+ Package(){0x0000FFFF, 1, INTB, 0 },
+ Package(){0x0000FFFF, 2, INTC, 0 },
+ Package(){0x0000FFFF, 3, INTD, 0 },
+})
+Name(APS7, Package(){
+ Package(){0x0000FFFF, 0, 0, 48 },
+ Package(){0x0000FFFF, 1, 0, 49 },
+ Package(){0x0000FFFF, 2, 0, 50 },
+ Package(){0x0000FFFF, 3, 0, 51 },
+})
+
+/* GPP 4 */
+Name(PS8, Package(){
+ Package(){0x0000FFFF, 0, INTD, 0 },
+ Package(){0x0000FFFF, 1, INTA, 0 },
+ Package(){0x0000FFFF, 2, INTB, 0 },
+ Package(){0x0000FFFF, 3, INTC, 0 },
+})
+Name(APS8, Package(){
+ Package(){0x0000FFFF, 0, 0, 27 },
+ Package(){0x0000FFFF, 1, 0, 28 },
+ Package(){0x0000FFFF, 2, 0, 28 },
+ Package(){0x0000FFFF, 3, 0, 30 },
+})
+
+/* GFX 2 */
+Name(PSA, Package(){
+ Package(){0x0000FFFF, 0, INTD, 0 },
+ Package(){0x0000FFFF, 1, INTA, 0 },
+ Package(){0x0000FFFF, 2, INTB, 0 },
+ Package(){0x0000FFFF, 3, INTC, 0 },
+})
+Name(APSA, Package(){
+ Package(){0x0000FFFF, 0, 0, 51 },
+ Package(){0x0000FFFF, 1, 0, 48 },
+ Package(){0x0000FFFF, 2, 0, 49 },
+ Package(){0x0000FFFF, 3, 0, 50 },
+})
+
+/* GFX 3 */
+Name(PSB, Package(){
+ Package(){0x0000FFFF, 0, INTC, 0 },
+ Package(){0x0000FFFF, 1, INTD, 0 },
+ Package(){0x0000FFFF, 2, INTA, 0 },
+ Package(){0x0000FFFF, 3, INTB, 0 },
+})
+Name(APSB, Package(){
+ Package(){0x0000FFFF, 0, 0, 26 },
+ Package(){0x0000FFFF, 1, 0, 27 },
+ Package(){0x0000FFFF, 2, 0, 24 },
+ Package(){0x0000FFFF, 3, 0, 25 },
+})
+
+/* GFX 4 */
+Name(PSC, Package(){
+ Package(){0x0000FFFF, 0, INTC, 0 },
+ Package(){0x0000FFFF, 1, INTD, 0 },
+ Package(){0x0000FFFF, 2, INTA, 0 },
+ Package(){0x0000FFFF, 3, INTB, 0 },
+})
+Name(APSC, Package(){
+ Package(){0x0000FFFF, 0, 0, 34 },
+ Package(){0x0000FFFF, 1, 0, 35 },
+ Package(){0x0000FFFF, 2, 0, 32 },
+ Package(){0x0000FFFF, 3, 0, 33 },
+})
diff --git a/src/mainboard/amd/pademelon/acpi/sleep.asl b/src/mainboard/amd/pademelon/acpi/sleep.asl
new file mode 100644
index 0000000000..0cbf8e3211
--- /dev/null
+++ b/src/mainboard/amd/pademelon/acpi/sleep.asl
@@ -0,0 +1,57 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/* Wake status package */
+Name(WKST,Package(){Zero, Zero})
+
+/*
+* \_PTS - Prepare to Sleep method
+*
+* Entry:
+* Arg0=The value of the sleeping state S1=1, S2=2, etc
+*
+* Exit:
+* -none-
+*
+* The _PTS control method is executed at the beginning of the sleep process
+* for S1-S5. The sleeping value is passed to the _PTS control method. This
+* control method may be executed a relatively long time before entering the
+* sleep state and the OS may abort the operation without notification to
+* the ACPI driver. This method cannot modify the configuration or power
+* state of any device in the system.
+*/
+Method(_PTS, 1) {
+ /* DBGO("\\_PTS\n") */
+ /* DBGO("From S0 to S") */
+ /* DBGO(Arg0) */
+ /* DBGO("\n") */
+
+ /* Clear wake status structure. */
+ PEWD = 0
+ WKST [0] = 0
+ WKST [1] = 0
+ UPWS = 7
+} /* End Method(\_PTS) */
+
+/*
+* \_WAK System Wake method
+*
+* Entry:
+* Arg0=The value of the sleeping state S1=1, S2=2
+*
+* Exit:
+* Return package of 2 DWords
+* Dword 1 - Status
+* 0x00000000 wake succeeded
+* 0x00000001 Wake was signaled but failed due to lack of power
+* 0x00000002 Wake was signaled but failed due to thermal condition
+* Dword 2 - Power Supply state
+* if non-zero the effective S-state the power supply entered
+*/
+Method(\_WAK, 1) {
+ /* DBGO("\\_WAK\n") */
+ /* DBGO("From S") */
+ /* DBGO(Arg0) */
+ /* DBGO(" to S0\n") */
+
+ Return(WKST)
+} /* End Method(\_WAK) */
diff --git a/src/mainboard/amd/pademelon/acpi/usb_oc.asl b/src/mainboard/amd/pademelon/acpi/usb_oc.asl
new file mode 100644
index 0000000000..a5846fe848
--- /dev/null
+++ b/src/mainboard/amd/pademelon/acpi/usb_oc.asl
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/* USB overcurrent mapping pins. */
+Name(UOM0, 0)
+Name(UOM1, 2)
+Name(UOM2, 0)
+Name(UOM3, 7)
+Name(UOM4, 2)
+Name(UOM5, 2)
+Name(UOM6, 6)
+Name(UOM7, 2)
+Name(UOM8, 6)
+Name(UOM9, 6)
diff --git a/src/mainboard/amd/pademelon/board_info.txt b/src/mainboard/amd/pademelon/board_info.txt
new file mode 100644
index 0000000000..845e211a3e
--- /dev/null
+++ b/src/mainboard/amd/pademelon/board_info.txt
@@ -0,0 +1,7 @@
+Vendor name: AMD
+Board name: Pademelon
+Category: desktop
+ROM package: SOIC-8
+ROM protocol: SPI
+ROM socketed: n
+Flashrom support: dediprog header
diff --git a/src/mainboard/amd/pademelon/bootblock/OemCustomize.c b/src/mainboard/amd/pademelon/bootblock/OemCustomize.c
new file mode 100644
index 0000000000..1f4bd3cb39
--- /dev/null
+++ b/src/mainboard/amd/pademelon/bootblock/OemCustomize.c
@@ -0,0 +1,151 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <amdblocks/agesawrapper.h>
+
+/*
+ * TODO:
+ * Check if a separate PCIe port list is needed for Prairie Falcon APUs. Only Merlin Falcon has
+ * PCIe root ports on the functions of bus 0 device 3.
+ */
+
+static const PCIe_PORT_DESCRIPTOR PortList[] = {
+ /*
+ * Init Port descriptor (PCIe port, Lanes 8-15,
+ * PCI Device Number 3, ...)
+ */
+ {
+ 0,
+ PCIE_ENGINE_DATA_INITIALIZER(PciePortEngine, 8, 15),
+ PCIE_PORT_DATA_INITIALIZER_V2(PortEnabled, ChannelTypeExt6db,
+ 3, 1,
+ HotplugDisabled,
+ PcieGenMaxSupported,
+ PcieGenMaxSupported,
+ AspmDisabled, 0x02, 0)
+ },
+
+ /*
+ * Initialize Port descriptor (PCIe port, Lane 7,
+ * PCI Device Number 2, ...)
+ */
+ {
+ 0,
+ PCIE_ENGINE_DATA_INITIALIZER(PciePortEngine, 7, 7),
+ PCIE_PORT_DATA_INITIALIZER_V2(PortEnabled, ChannelTypeExt6db,
+ 2, 5,
+ HotplugDisabled,
+ PcieGenMaxSupported,
+ PcieGenMaxSupported,
+ AspmDisabled, 0x03, 0)
+ },
+ /*
+ * Initialize Port descriptor (PCIe port, Lane 6,
+ * PCI Device Number 2, ...)
+ */
+ {
+ 0,
+ PCIE_ENGINE_DATA_INITIALIZER(PciePortEngine, 6, 6),
+ PCIE_PORT_DATA_INITIALIZER_V2(PortEnabled, ChannelTypeExt6db,
+ 2, 4,
+ HotplugDisabled,
+ PcieGenMaxSupported,
+ PcieGenMaxSupported,
+ AspmDisabled, 0x04, 0)
+ },
+ /*
+ * Initialize Port descriptor (PCIe port, Lane 5,
+ * PCI Device Number 2, ...)
+ */
+ {
+ 0,
+ PCIE_ENGINE_DATA_INITIALIZER(PcieUnusedEngine, 5, 5),
+ PCIE_PORT_DATA_INITIALIZER_V2(PortDisabled, ChannelTypeExt6db,
+ 2, 3,
+ HotplugDisabled,
+ PcieGenMaxSupported,
+ PcieGenMaxSupported,
+ AspmDisabled, 0x04, 0)
+ },
+ /*
+ * Initialize Port descriptor (PCIe port, Lane4,
+ * PCI Device Number 2, ...)
+ */
+ {
+ 0,
+ PCIE_ENGINE_DATA_INITIALIZER(PciePortEngine, 4, 4),
+ PCIE_PORT_DATA_INITIALIZER_V2(PortEnabled, ChannelTypeExt6db,
+ 2, 2,
+ HotplugDisabled,
+ PcieGenMaxSupported,
+ PcieGenMaxSupported,
+ AspmDisabled, 0x06, 0)
+ },
+ /*
+ * Initialize Port descriptor (PCIe port, Lanes 0-3,
+ * PCI Device Number 2, ...)
+ */
+ {
+ /*
+ * Descriptor flags !!!IMPORTANT!!! Terminate last element
+ * of array
+ */
+ DESCRIPTOR_TERMINATE_LIST,
+ PCIE_ENGINE_DATA_INITIALIZER(PcieUnusedEngine, 0, 3),
+ PCIE_PORT_DATA_INITIALIZER_V2(PortDisabled, ChannelTypeExt6db,
+ 2, 1,
+ HotplugDisabled,
+ PcieGenMaxSupported,
+ PcieGenMaxSupported,
+ AspmDisabled, 0x07, 0)
+ },
+
+};
+
+static const PCIe_DDI_DESCRIPTOR DdiList[] = {
+ /* DP0 */
+ {
+ 0,
+ PCIE_ENGINE_DATA_INITIALIZER(PcieDdiEngine, 16, 19),
+ PCIE_DDI_DATA_INITIALIZER(ConnectorTypeDP, Aux1, Hdp1)
+ },
+ /* DP1 */
+ {
+ 0,
+ PCIE_ENGINE_DATA_INITIALIZER(PcieDdiEngine, 20, 23),
+ PCIE_DDI_DATA_INITIALIZER(ConnectorTypeDP, Aux2, Hdp2)
+ },
+ /* DP2 */
+ {
+ DESCRIPTOR_TERMINATE_LIST,
+ PCIE_ENGINE_DATA_INITIALIZER(PcieDdiEngine, 24, 27),
+ PCIE_DDI_DATA_INITIALIZER(ConnectorTypeDP, Aux3, Hdp3)
+ },
+};
+
+static const PCIe_COMPLEX_DESCRIPTOR PcieComplex = {
+ .Flags = DESCRIPTOR_TERMINATE_LIST,
+ .SocketId = 0,
+ .PciePortList = (void *)PortList,
+ .DdiLinkList = (void *)DdiList
+};
+
+/*---------------------------------------------------------------------------*/
+/**
+ * OemCustomizeInitEarly
+ *
+ * Description:
+ * This is the stub function will call the host environment through the
+ * binary block interface (call-out port) to provide a user hook opportunity.
+ *
+ * Parameters:
+ * @param[in] **PeiServices
+ * @param[in] *InitEarly
+ *
+ * @retval VOID
+ *
+ **/
+/*---------------------------------------------------------------------------*/
+VOID OemCustomizeInitEarly(AMD_EARLY_PARAMS *InitEarly)
+{
+ InitEarly->GnbConfig.PcieComplexList = (void *)&PcieComplex;
+}
diff --git a/src/mainboard/amd/pademelon/bootblock/bootblock.c b/src/mainboard/amd/pademelon/bootblock/bootblock.c
new file mode 100644
index 0000000000..4b28e208c9
--- /dev/null
+++ b/src/mainboard/amd/pademelon/bootblock/bootblock.c
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <bootblock_common.h>
+#include <soc/southbridge.h>
+#include <amdblocks/lpc.h>
+#include <device/pci_ops.h>
+#include <soc/gpio.h>
+#include <soc/pci_devs.h>
+#include <drivers/uart/uart8250reg.h>
+#include <arch/io.h>
+#include "../gpio.h"
+
+/* Enable IO access to port, then enable UART HW control pins */
+static void enable_serial(unsigned int base_port, unsigned int io_enable)
+{
+ u8 reg;
+
+ pci_or_config32(SOC_LPC_DEV, LPC_IO_PORT_DECODE_ENABLE, io_enable);
+
+ /*
+ * Remove this section if HW handshake is not needed. This is needed
+ * only for those who don't have a modified serial cable (connecting
+ * DCD to DTR and DSR, plus connecting RTS to CTS). When you buy cables
+ * on any store, they don't have these modification.
+ */
+ reg = inb(base_port + UART8250_MCR);
+ reg |= UART8250_MCR_DTR | UART8250_MCR_RTS;
+ outb(reg, base_port + UART8250_MCR);
+}
+
+void bootblock_mainboard_early_init(void)
+{
+ fch_clk_output_48Mhz(2);
+ /*
+ * UARTs enabled by default at reset, just need RTS, CTS
+ * and access to the IO address.
+ */
+ enable_serial(0x03f8, DECODE_ENABLE_SERIAL_PORT0);
+ enable_serial(0x02f8, DECODE_ENABLE_SERIAL_PORT1);
+}
+
+void bootblock_mainboard_init(void)
+{
+ size_t num_gpios;
+ const struct soc_amd_gpio *gpios;
+
+ gpios = early_gpio_table(&num_gpios);
+ gpio_configure_pads(gpios, num_gpios);
+}
diff --git a/src/mainboard/amd/pademelon/devicetree.cb b/src/mainboard/amd/pademelon/devicetree.cb
new file mode 100644
index 0000000000..a0ba7255bc
--- /dev/null
+++ b/src/mainboard/amd/pademelon/devicetree.cb
@@ -0,0 +1,41 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+chip soc/amd/stoneyridge
+ register "uma_mode" = "UMAMODE_AUTO_LEGACY"
+
+ device domain 0 on
+ subsystemid 0x1022 0x1410 inherit
+ device ref iommu on end
+ device ref gfx on end
+ device ref gfx_hda on end
+ device ref gpp_bridge_1 on end # mini PCIe slot x1
+ device ref gpp_bridge_3 on end # LAN RTL8111F
+ device ref gpp_bridge_4 on end # LAN RTL8111F
+ device ref hda_bridge on end
+ device ref hda on end
+ device ref xhci on end
+ device ref sata on end
+ device ref ehci on end
+ device ref lpc_bridge on
+ chip superio/fintek/f81803a
+ device pnp 4e.1 on # COM1
+ io 0x60 = 0x3f8
+ irq 0x70 = 4
+ end
+ device pnp 4e.2 on # COM2
+ io 0x60 = 0x2f8
+ irq 0x70 = 3
+ end
+ device pnp 4e.4 on # HWM
+ io 0x60 = 0x220
+ irq 0x70 = 0
+ end
+ device pnp 4e.5 off end # KBC
+ device pnp 4e.6 off end # GPIO
+ device pnp 4e.7 off end # WDT
+ device pnp 4e.a off end # PME
+ end # f81803a
+ end
+ device ref sdhci on end
+ end #domain
+end #soc/amd/stoneyridge
diff --git a/src/mainboard/amd/pademelon/dsdt.asl b/src/mainboard/amd/pademelon/dsdt.asl
new file mode 100644
index 0000000000..1f7a5da27a
--- /dev/null
+++ b/src/mainboard/amd/pademelon/dsdt.asl
@@ -0,0 +1,62 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/* DefinitionBlock Statement */
+#include <acpi/acpi.h>
+DefinitionBlock (
+ "dsdt.aml",
+ "DSDT",
+ ACPI_DSDT_REV_2,
+ OEM_ID,
+ ACPI_TABLE_CREATOR,
+ 0x00010001 /* OEM Revision */
+ )
+{ /* Start of ASL file */
+ #include <acpi/dsdt_top.asl>
+ #include <globalnvs.asl>
+
+ /* Describe the USB Overcurrent pins */
+ #include "acpi/usb_oc.asl"
+
+ /* PCI IRQ mapping for the Southbridge */
+ #include <pcie.asl>
+
+ /* Power state notification */
+ #include <pnot.asl>
+
+ /* Contains the supported sleep states for this chipset */
+ #include <soc/amd/common/acpi/sleepstates.asl>
+
+ /* Contains the Sleep methods (WAK, PTS, GTS, etc.) */
+ #include "acpi/sleep.asl"
+
+ /* System Bus */
+ Scope(\_SB) { /* Start \_SB scope */
+ /* global utility methods expected within the \_SB scope */
+ #include <arch/x86/acpi/globutil.asl>
+
+ /* IRQ Routing mapping for this platform (in \_SB scope) */
+ #include "acpi/routing.asl"
+
+ Device(PWRB) {
+ Name(_HID, EISAID("PNP0C0C"))
+ Name(_UID, 0xAA)
+ Name(_PRW, Package () {3, 0x04})
+ Name(_STA, 0x0B)
+ }
+
+ /* Describe the SOC */
+ #include <soc.asl>
+
+ /* Describe the Fintek F81803A SIO */
+ #define SUPERIO_DEV SIO0
+ #define SUPERIO_PNP_BASE 0x4E
+ #define F81803A_SHOW_UARTA
+ #define F81803A_SHOW_PME
+ #include <superio/fintek/f81803a/acpi/superio.asl>
+
+ } /* End \_SB scope */
+
+ /* Define the General Purpose Events for the platform */
+ #include "acpi/gpe.asl"
+}
+/* End of ASL file */
diff --git a/src/mainboard/amd/pademelon/fan_init.c b/src/mainboard/amd/pademelon/fan_init.c
new file mode 100644
index 0000000000..a2db5eaafc
--- /dev/null
+++ b/src/mainboard/amd/pademelon/fan_init.c
@@ -0,0 +1,82 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <bootstate.h>
+#include <superio/fintek/common/fan_control.h>
+#include <amdblocks/lpc.h>
+#include <device/pci_ops.h>
+#include <soc/pci_devs.h>
+
+#define CPU_FAN 1
+#define SYSTEM_FAN 2
+
+/* Boundaries in celsius, sections in percent */
+static u8 cpu_boudaries[FINTEK_BOUNDARIES_SIZE] = {
+ 80,
+ 65,
+ 50,
+ 35
+};
+
+static u8 system_boudaries[FINTEK_BOUNDARIES_SIZE] = {
+ 70,
+ 55,
+ 40,
+ 25
+};
+
+static u8 cpu_section[FINTEK_SECTIONS_SIZE] = {
+ 100,
+ 85,
+ 70,
+ 55,
+ 40
+};
+
+static u8 system_section[FINTEK_SECTIONS_SIZE] = {
+ 100,
+ 85,
+ 70,
+ 55,
+ 40
+};
+
+struct fintek_fan cpu_fan = {
+ CPU_FAN,
+ IGNORE_SENSOR,
+ TEMP_SENSOR_DEFAULT,
+ FAN_TEMP_TSI,
+ FAN_TYPE_PWM_PUSH_PULL,
+ FAN_MODE_DEFAULT,
+ FAN_PWM_FREQ_23500,
+ FAN_UP_RATE_10HZ,
+ FAN_DOWN_RATE_10HZ,
+ FAN_FOLLOW_INTERPOLATION,
+ cpu_boudaries,
+ cpu_section
+};
+
+struct fintek_fan system_fan = {
+ SYSTEM_FAN,
+ EXTERNAL_SENSOR2,
+ TEMP_SENSOR_BJT,
+ FAN_TEMP_EXTERNAL_2,
+ FAN_TYPE_DAC_POWER,
+ FAN_MODE_DEFAULT,
+ FAN_PWM_FREQ_23500,
+ FAN_UP_RATE_10HZ,
+ FAN_DOWN_RATE_10HZ,
+ FAN_FOLLOW_INTERPOLATION,
+ system_boudaries,
+ system_section
+};
+
+static void init_fan_control(void *unused)
+{
+ /* Open a LPC IO access to 0x0220-0x0227 */
+ pci_or_config32(SOC_LPC_DEV, LPC_IO_PORT_DECODE_ENABLE, DECODE_ENABLE_SERIAL_PORT2);
+
+ set_fan(&cpu_fan);
+ set_fan(&system_fan);
+}
+
+BOOT_STATE_INIT_ENTRY(BS_POST_DEVICE, BS_ON_ENTRY, init_fan_control, NULL);
diff --git a/src/mainboard/amd/pademelon/gpio.c b/src/mainboard/amd/pademelon/gpio.c
new file mode 100644
index 0000000000..0de2c0a190
--- /dev/null
+++ b/src/mainboard/amd/pademelon/gpio.c
@@ -0,0 +1,53 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <amdblocks/agesawrapper.h>
+#include <amdblocks/BiosCallOuts.h>
+#include <soc/gpio.h>
+#include <soc/southbridge.h>
+#include "gpio.h"
+
+/*
+ * As a rule of thumb, GPIO pins used by coreboot should be initialized at
+ * bootblock while GPIO pins used only by the OS should be initialized at
+ * ramstage.
+ */
+static const struct soc_amd_gpio gpio_set_stage_reset[] = {
+ /* GFX presence detect */
+ PAD_GPI(GPIO_9, PULL_DOWN),
+ /* VDDP_VCTRL */
+ PAD_GPO(GPIO_40, HIGH),
+ /* PC SPKR */
+ PAD_NF(GPIO_91, SPKR, PULL_NONE),
+};
+
+static const struct soc_amd_gpio gpio_set_stage_ram[] = {
+#if CONFIG(HAVE_ACPI_RESUME)
+ /* PCIE_WAKE - default, do not program */
+
+ /* DEVSLP1 */
+ PAD_NF(GPIO_70, DEVSLP1, PULL_UP),
+ /* WLAND */
+ PAD_WAKE(GPIO_137, PULL_UP, LEVEL_LOW, S3),
+#else
+ /* PCIE_WAKE, SCI */
+ PAD_NF_SCI(GPIO_2, WAKE_L, PULL_UP, EDGE_LOW),
+ /* DEVSLP1 - default as GPIO, do not program */
+
+ /* WLAND - default as GPIO, do not program */
+
+#endif /* HAVE_ACPI_RESUME */
+ /* BLINK - reselect GPIO OUTPUT HIGH to force BLINK */
+ PAD_GPO(GPIO_11, HIGH),
+};
+
+const struct soc_amd_gpio *early_gpio_table(size_t *size)
+{
+ *size = ARRAY_SIZE(gpio_set_stage_reset);
+ return gpio_set_stage_reset;
+}
+
+const struct soc_amd_gpio *gpio_table(size_t *size)
+{
+ *size = ARRAY_SIZE(gpio_set_stage_ram);
+ return gpio_set_stage_ram;
+}
diff --git a/src/mainboard/amd/pademelon/gpio.h b/src/mainboard/amd/pademelon/gpio.h
new file mode 100644
index 0000000000..d01bdfd112
--- /dev/null
+++ b/src/mainboard/amd/pademelon/gpio.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef MAINBOARD_GPIO_H
+#define MAINBOARD_GPIO_H
+
+#include <soc/gpio.h>
+
+const struct soc_amd_gpio *early_gpio_table(size_t *size);
+const struct soc_amd_gpio *gpio_table(size_t *size);
+
+#endif /* MAINBOARD_GPIO_H */
diff --git a/src/mainboard/amd/pademelon/hda_verb.c b/src/mainboard/amd/pademelon/hda_verb.c
new file mode 100644
index 0000000000..95758f0a4c
--- /dev/null
+++ b/src/mainboard/amd/pademelon/hda_verb.c
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <device/azalia_device.h>
+
+const u32 cim_verb_data[] = {
+ /* coreboot specific header */
+ /* Realtek ALC662 rev1 */
+ 0x10ec0662, /* Vendor ID */
+ 0x80865756, /* Subsystem ID */
+ 10, /* Number of entries */
+
+ /* Pin Widget Verb Table */
+
+ AZALIA_PIN_CFG(0, 0x14, 0x01014010),
+ AZALIA_PIN_CFG(0, 0x15, 0x411111f0),
+ AZALIA_PIN_CFG(0, 0x16, 0x411111f0),
+ AZALIA_PIN_CFG(0, 0x18, 0x01a19840),
+ AZALIA_PIN_CFG(0, 0x19, 0x02a19c50),
+ AZALIA_PIN_CFG(0, 0x1a, 0x0181304f),
+ AZALIA_PIN_CFG(0, 0x1b, 0x02214c20),
+ AZALIA_PIN_CFG(0, 0x1c, 0x593301f0),
+ AZALIA_PIN_CFG(0, 0x1d, 0x4004c601),
+ AZALIA_PIN_CFG(0, 0x1e, 0x01441130),
+};
+
+const u32 pc_beep_verbs[0] = {};
+
+const u32 pc_beep_verbs_size = ARRAY_SIZE(pc_beep_verbs);
+const u32 cim_verb_data_size = ARRAY_SIZE(cim_verb_data);
diff --git a/src/mainboard/amd/pademelon/mainboard.c b/src/mainboard/amd/pademelon/mainboard.c
new file mode 100644
index 0000000000..a013e6ce89
--- /dev/null
+++ b/src/mainboard/amd/pademelon/mainboard.c
@@ -0,0 +1,115 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <device/device.h>
+#include <amdblocks/agesawrapper.h>
+#include <amdblocks/amd_pci_util.h>
+#include <soc/gpio.h>
+#include <soc/pci_devs.h>
+#include <soc/southbridge.h>
+
+#include "gpio.h"
+
+/***********************************************************
+ * These arrays set up the FCH PCI_INTR registers 0xC00/0xC01.
+ * This table is responsible for physically routing the PIC and
+ * IOAPIC IRQs to the different PCI devices on the system. It
+ * is read and written via registers 0xC00/0xC01 as an
+ * Index/Data pair. These values are chipset and mainboard
+ * dependent and should be updated accordingly.
+ *
+ * These values are used by the PCI configuration space,
+ * MP Tables.
+ */
+static const u8 mainboard_picr_data[] = {
+ [0x00] = 0x03, 0x04, 0x05, 0x07, 0x0B, 0x0A, 0x1F, 0x1F,
+ [0x08] = 0xFA, 0xF1, 0x00, 0x00, 0x1F, 0x1F, 0x1F, 0x1F,
+ [0x10] = 0x1F, 0x1F, 0x1F, 0x03, 0x1F, 0x1F, 0x1F, 0x1F,
+ [0x18] = 0x1F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ [0x20] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x00, 0x00,
+ [0x28] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ [0x30] = 0x05, 0x04, 0x05, 0x04, 0x04, 0x05, 0x04, 0x05,
+ [0x38] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ [0x40] = 0x04, 0x1F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ [0x48] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ [0x50] = 0x03, 0x04, 0x05, 0x07, 0x1F, 0x1F, 0x1F, 0x1F,
+ [0x58] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F,
+ [0x60] = 0x1F, 0x1F, 0x07, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F,
+ [0x68] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F,
+ [0x70] = 0x03, 0x0F, 0x06, 0x0E, 0x0A, 0x0B, 0x1F, 0x1F,
+ [0x78] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F,
+};
+
+static const u8 mainboard_intr_data[] = {
+ [0x00] = 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+ [0x08] = 0x00, 0x00, 0x00, 0x00, 0x1F, 0x1F, 0x1F, 0x1F,
+ [0x10] = 0x09, 0x1F, 0x1F, 0x10, 0x1F, 0x1F, 0x1F, 0x10,
+ [0x18] = 0x1F, 0x1F, 0x1F, 0x00, 0x00, 0x00, 0x00, 0x00,
+ [0x20] = 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x00, 0x00,
+ [0x28] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ [0x30] = 0x12, 0x11, 0x12, 0x11, 0x12, 0x11, 0x12, 0x00,
+ [0x38] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ [0x40] = 0x11, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ [0x48] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ [0x50] = 0x1F, 0x1F, 0x1F, 0x1F, 0x00, 0x00, 0x00, 0x00,
+ [0x58] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ [0x60] = 0x1F, 0x1F, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00,
+ [0x68] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ [0x70] = 0x03, 0x0F, 0x06, 0x0E, 0x0A, 0x0B, 0x1F, 0x1F,
+ [0x78] = 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+};
+
+/*
+ * This table defines the index into the picr/intr_data tables for each
+ * device. Any enabled device and slot that uses hardware interrupts should
+ * have an entry in this table to define its index into the FCH PCI_INTR
+ * register 0xC00/0xC01. This index will define the interrupt that it should
+ * use. Putting PIRQ_A into the PIN A index for a device will tell that
+ * device to use PIC IRQ 10 if it uses PIN A for its hardware INT.
+ */
+static const struct pirq_struct mainboard_pirq_data[] = {
+ { GFX_DEVFN, { PIRQ_A, PIRQ_NC, PIRQ_NC, PIRQ_NC } },
+ { HDA0_DEVFN, { PIRQ_NC, PIRQ_HDA, PIRQ_NC, PIRQ_NC } },
+ { PCIE0_DEVFN, { PIRQ_A, PIRQ_B, PIRQ_C, PIRQ_D } },
+ { PCIE1_DEVFN, { PIRQ_B, PIRQ_C, PIRQ_D, PIRQ_A } },
+ { PCIE2_DEVFN, { PIRQ_C, PIRQ_D, PIRQ_A, PIRQ_B } },
+ { PCIE3_DEVFN, { PIRQ_D, PIRQ_A, PIRQ_B, PIRQ_C } },
+ { PCIE4_DEVFN, { PIRQ_A, PIRQ_B, PIRQ_C, PIRQ_D } },
+ { PSP_DEVFN, { PIRQ_A, PIRQ_NC, PIRQ_NC, PIRQ_NC } },
+ { HDA1_DEVFN, { PIRQ_HDA, PIRQ_NC, PIRQ_NC, PIRQ_NC } },
+ { SD_DEVFN, { PIRQ_SD, PIRQ_NC, PIRQ_NC, PIRQ_NC } },
+ { SMBUS_DEVFN, { PIRQ_SMBUS, PIRQ_NC, PIRQ_NC, PIRQ_NC } },
+ { SATA_DEVFN, { PIRQ_SATA, PIRQ_NC, PIRQ_NC, PIRQ_NC } },
+ { EHCI1_DEVFN, { PIRQ_EHCI, PIRQ_NC, PIRQ_NC, PIRQ_NC } },
+ { XHCI_DEVFN, { PIRQ_XHCI, PIRQ_NC, PIRQ_NC, PIRQ_NC } },
+};
+
+/* PIRQ Setup */
+static void pirq_setup(void)
+{
+ pirq_data_ptr = mainboard_pirq_data;
+ pirq_data_size = ARRAY_SIZE(mainboard_pirq_data);
+ intr_data_ptr = mainboard_intr_data;
+ picr_data_ptr = mainboard_picr_data;
+}
+
+static void mainboard_init(void *chip_info)
+{
+ size_t num_gpios;
+ const struct soc_amd_gpio *gpios;
+ gpios = gpio_table(&num_gpios);
+ gpio_configure_pads(gpios, num_gpios);
+}
+
+/*************************************************
+ * enable the dedicated function in pademelon board.
+ *************************************************/
+static void mainboard_enable(struct device *dev)
+{
+ /* Initialize the PIRQ data structures for consumption */
+ pirq_setup();
+}
+
+struct chip_operations mainboard_ops = {
+ .init = mainboard_init,
+ .enable_dev = mainboard_enable,
+};
diff --git a/src/mainboard/amd/pademelon/override-merlinfalcon.cb b/src/mainboard/amd/pademelon/override-merlinfalcon.cb
new file mode 100644
index 0000000000..640c31ac23
--- /dev/null
+++ b/src/mainboard/amd/pademelon/override-merlinfalcon.cb
@@ -0,0 +1,12 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+chip soc/amd/stoneyridge
+ register "spd_addr_lookup" = "
+ {
+ { {0xA0, 0x00}, {0xA4, 0x00} }, // socket 0 - Channel 0 & 1, slot 0
+ }"
+
+ device domain 0 on
+ device ref gfx_bridge_0 on end # GFX PCIe x8 slot
+ end
+end
diff --git a/src/mainboard/amd/pademelon/override-prairiefalcon.cb b/src/mainboard/amd/pademelon/override-prairiefalcon.cb
new file mode 100644
index 0000000000..e1ee1214df
--- /dev/null
+++ b/src/mainboard/amd/pademelon/override-prairiefalcon.cb
@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+chip soc/amd/stoneyridge
+ register "spd_addr_lookup" = "
+ {
+ { {0xA0, 0x00} }, // socket 0 - Channel 0, slot 0
+ }"
+
+ device domain 0 on end
+end
diff --git a/src/mainboard/amd/pademelon/romstage.c b/src/mainboard/amd/pademelon/romstage.c
new file mode 100644
index 0000000000..baa86d9966
--- /dev/null
+++ b/src/mainboard/amd/pademelon/romstage.c
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: CC-PDDC */
+
+/* Please update the license if adding licensable material. */
+
+/*
+ * This is a placeholder, if there ever is something platform specific to
+ * add to romstage, do it here.
+ */