1 files changed, 115 insertions, 0 deletions
diff --git a/src/mainboard/amd/pademelon/mainboard.c b/src/mainboard/amd/pademelon/mainboard.c
new file mode 100644
index 000000000000..a013e6ce892e
--- /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,
+};