/* SPDX-License-Identifier: GPL-2.0-only */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include "gpio_ftns.h" #include #include #include /*********************************************************** * 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. TODO: Make ACPI use these values too. * * The PCI INTA/B/C/D pins are connected to * FCH pins INTE/F/G/H on the schematic so these need * to be routed as well. */ static const u8 mainboard_picr_data[FCH_INT_TABLE_SIZE] = { /* INTA# - INTH# */ [0x00] = 0x0A,0x0B,0x0A,0x0B,0x0A,0x0B,0x0A,0x0B, /* Misc-nil,0,1,2, INT from Serial irq */ [0x08] = 0x00,0xF1,0x00,0x00,0x1F,0x1F,0x1F,0x1F, /* SCI, SMBUS0, ASF, HDA, FC, GEC, PerfMon */ [0x10] = 0x1F,0x1F,0x1F,0x0A,0x1F,0x1F,0x1F, /* IMC INT0 - 5 */ [0x20] = 0x1F,0x1F,0x1F,0x1F,0x1F,0x1F, /* USB Devs 18/19/20/22 INTA-C */ [0x30] = 0x0A,0x0B,0x0A,0x0B,0x0A,0x0B,0x0A, /* IDE, SATA */ [0x40] = 0x0B,0x0B, /* GPPInt0 - 3 */ [0x50] = 0x0A,0x0B,0x0A,0x0B }; static const u8 mainboard_intr_data[FCH_INT_TABLE_SIZE] = { /* INTA# - INTH# */ [0x00] = 0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17, /* Misc-nil,0,1,2, INT from Serial irq */ [0x08] = 0x00,0x00,0x00,0x00,0x1F,0x1F,0x1F,0x1F, /* SCI, SMBUS0, ASF, HDA, FC, GEC, PerMon */ [0x10] = 0x09,0x1F,0x1F,0x10,0x1F,0x12,0x1F, /* IMC INT0 - 5 */ [0x20] = 0x1F,0x1F,0x1F,0x1F,0x1F,0x1F, /* USB Devs 18/19/22/20 INTA-C */ [0x30] = 0x12,0x11,0x12,0x11,0x12,0x11,0x12, /* IDE, SATA */ [0x40] = 0x11,0x13, /* GPPInt0 - 3 */ [0x50] = 0x10,0x11,0x12,0x13 }; /* * 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. */ /* * The PCI slot INTA/B/C/D connected to PIRQE/F/G/H * but because of PCI INT_PIN swizzle isn't implemented to match * the IDSEL (dev 3) of the slot, the table is adjusted for the * swizzle and INTA is connected to PIRQH so PINA/B/C/D on * off-chip devices should get mapped to PIRQH/E/F/G. */ static const struct pirq_struct mainboard_pirq_data[] = { /* {PCI_devfn, {PIN A, PIN B, PIN C, PIN D}}, */ {GFX_DEVFN, {PIRQ_A, PIRQ_B, PIRQ_NC, PIRQ_NC}}, /* VGA: 01.0 */ {NB_PCIE_PORT1_DEVFN, {PIRQ_A, PIRQ_B, PIRQ_C, PIRQ_D}}, /* NIC: 04.0 */ {NB_PCIE_PORT2_DEVFN, {PIRQ_A, PIRQ_B, PIRQ_C, PIRQ_D}}, /* NIC: 05.0 */ {NB_PCIE_PORT3_DEVFN, {PIRQ_A, PIRQ_B, PIRQ_C, PIRQ_D}}, /* NIC: 06.0 */ {NB_PCIE_PORT4_DEVFN, {PIRQ_A, PIRQ_B, PIRQ_C, PIRQ_D}}, /* miniPCIe: 07.0 */ {SATA_DEVFN, {PIRQ_SATA, PIRQ_NC, PIRQ_NC, PIRQ_NC}}, /* SATA: 11.0 */ {OHCI1_DEVFN, {PIRQ_OHCI1, PIRQ_NC, PIRQ_NC, PIRQ_NC}}, /* OHCI1: 12.0 */ {EHCI1_DEVFN, {PIRQ_NC, PIRQ_EHCI1, PIRQ_NC, PIRQ_NC}}, /* EHCI1: 12.2 */ {OHCI2_DEVFN, {PIRQ_OHCI2, PIRQ_NC, PIRQ_NC, PIRQ_NC}}, /* OHCI2: 13.0 */ {EHCI2_DEVFN, {PIRQ_NC, PIRQ_EHCI2, PIRQ_NC, PIRQ_NC}}, /* EHCI2: 13.2 */ {SMBUS_DEVFN, {PIRQ_SMBUS, PIRQ_NC, PIRQ_NC, PIRQ_NC}}, /* SMBUS: 14.0 */ {IDE_DEVFN, {PIRQ_NC, PIRQ_IDE, PIRQ_NC, PIRQ_NC}}, /* IDE: 14.1 */ {HDA_DEVFN, {PIRQ_HDA, PIRQ_NC, PIRQ_NC, PIRQ_NC}}, /* HDA: 14.2 */ {SB_PCI_PORT_DEVFN, {PIRQ_H, PIRQ_E, PIRQ_F, PIRQ_G}}, /* PCI bdg: 14.4 */ {OHCI4_DEVFN, {PIRQ_NC, PIRQ_NC, PIRQ_OHCI4, PIRQ_NC}}, /* OHCI4: 14.5 */ {SB_PCIE_PORT1_DEVFN, {PIRQ_A, PIRQ_B, PIRQ_C, PIRQ_D}}, /* miniPCIe: 15.0 */ {OHCI3_DEVFN, {PIRQ_OHCI3, PIRQ_NC, PIRQ_NC, PIRQ_NC}}, /* OHCI3: 16.0 */ {EHCI3_DEVFN, {PIRQ_NC, PIRQ_EHCI3, PIRQ_NC, PIRQ_NC}}, /* EHCI3: 16.2 */ }; /* 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; } /* Wrapper to enable GPIO/UART devices under menuconfig. Revisit * once configuration file format for SPI flash storage is complete. */ #define SIO_PORT 0x2e static void config_gpio_mux(void) { struct device *uart, *gpio; uart = dev_find_slot_pnp(SIO_PORT, NCT5104D_SP3); gpio = dev_find_slot_pnp(SIO_PORT, NCT5104D_GPIO0); if (uart) uart->enabled = CONFIG(APU1_PINMUX_UART_C); if (gpio) gpio->enabled = CONFIG(APU1_PINMUX_GPIO0); uart = dev_find_slot_pnp(SIO_PORT, NCT5104D_SP4); gpio = dev_find_slot_pnp(SIO_PORT, NCT5104D_GPIO1); if (uart) uart->enabled = CONFIG(APU1_PINMUX_UART_D); if (gpio) gpio->enabled = CONFIG(APU1_PINMUX_GPIO1); } static void pnp_raw_resource(struct device *dev, u8 reg, u8 val) { struct resource *res; res = new_resource(dev, reg); res->base = val; res->size = 0; res->flags |= IORESOURCE_IRQ | IORESOURCE_ASSIGNED; } static void config_addon_uart(void) { struct device *uart; uart = dev_find_slot_pnp(SIO_PORT, NCT5104D_SP3); if (uart && uart->enabled && CONFIG(UART_C_RS485)) pnp_raw_resource(uart, 0xf2, 0x12); uart = dev_find_slot_pnp(SIO_PORT, NCT5104D_SP4); if (uart && uart->enabled && CONFIG(UART_D_RS485)) pnp_raw_resource(uart, 0xf2, 0x12); } /********************************************** * Enable the dedicated functions of the board. **********************************************/ #if CONFIG(GENERATE_SMBIOS_TABLES) static int mainboard_smbios_type16(DMI_INFO *agesa_dmi, int *handle, unsigned long *current) { const u32 max_capacity = get_spd_offset() ? 4 : 2; /* 4GB or 2GB variant */ struct smbios_type16 *t = smbios_carve_table(*current, SMBIOS_PHYS_MEMORY_ARRAY, sizeof(*t), *handle); t->use = MEMORY_ARRAY_USE_SYSTEM; t->location = MEMORY_ARRAY_LOCATION_SYSTEM_BOARD; t->memory_error_correction = agesa_dmi->T16.MemoryErrorCorrection; t->maximum_capacity = max_capacity * 1024 * 1024; t->memory_error_information_handle = 0xfffe; t->number_of_memory_devices = 1; const int len = smbios_full_table_len(&t->header, t->eos); *current += len; return len; } static int mainboard_smbios_type17(DMI_INFO *agesa_dmi, int *handle, unsigned long *current) { struct smbios_type17 *t = smbios_carve_table(*current, SMBIOS_MEMORY_DEVICE, sizeof(*t), *handle + 1); t->phys_memory_array_handle = *handle; t->memory_error_information_handle = 0xfffe; t->total_width = agesa_dmi->T17[0][0][0].TotalWidth; t->data_width = agesa_dmi->T17[0][0][0].DataWidth; t->size = agesa_dmi->T17[0][0][0].MemorySize; /* AGESA DMI returns form factor = 0, override it with SPD value */ t->form_factor = MEMORY_FORMFACTOR_SODIMM; t->device_set = agesa_dmi->T17[0][0][0].DeviceSet; t->device_locator = smbios_add_string(t->eos, agesa_dmi->T17[0][0][0].DeviceLocator); t->bank_locator = smbios_add_string(t->eos, agesa_dmi->T17[0][0][0].BankLocator); t->memory_type = agesa_dmi->T17[0][0][0].MemoryType; t->type_detail = *(u16 *)&agesa_dmi->T17[0][0][0].TypeDetail; t->speed = agesa_dmi->T17[0][0][0].Speed; t->manufacturer = agesa_dmi->T17[0][0][0].ManufacturerIdCode; t->serial_number = smbios_add_string(t->eos, agesa_dmi->T17[0][0][0].SerialNumber); t->part_number = smbios_add_string(t->eos, agesa_dmi->T17[0][0][0].PartNumber); t->attributes = agesa_dmi->T17[0][0][0].Attributes; t->extended_size = agesa_dmi->T17[0][0][0].ExtSize; t->clock_speed = agesa_dmi->T17[0][0][0].ConfigSpeed; t->minimum_voltage = 1500; /* From SPD: 1.5V */ t->maximum_voltage = 1500; const int len = smbios_full_table_len(&t->header, t->eos); *current += len; return len; } static int mainboard_smbios_data(struct device *dev, int *handle, unsigned long *current) { DMI_INFO *agesa_dmi; int len; agesa_dmi = agesawrapper_getlateinitptr(PICK_DMI); if (!agesa_dmi) return 0; len = mainboard_smbios_type16(agesa_dmi, handle, current); len += mainboard_smbios_type17(agesa_dmi, handle, current); *handle += 2; return len; } #endif static void mainboard_enable(struct device *dev) { /* Maintain this text unchanged for manufacture process. */ printk(BIOS_INFO, "Mainboard " CONFIG_MAINBOARD_PART_NUMBER " Enable.\n"); config_gpio_mux(); config_addon_uart(); /* Power off unused clock pins of GPP PCIe devices * GPP CLK0-2 are connected to the 3 ethernet chips * GPP CLK3-4 are connected to the miniPCIe slots */ misc_write8(0, 0x21); misc_write8(1, 0x43); /* GPP CLK5 is only connected to test pads -> disable */ misc_write8(2, 0x05); /* disable unconnected GPP CLK6-8 and SLT_GFX_CLK */ misc_write8(3, 0); misc_write8(4, 0); /* Initialize the PIRQ data structures for consumption */ pirq_setup(); #if CONFIG(GENERATE_SMBIOS_TABLES) dev->ops->get_smbios_data = mainboard_smbios_data; #endif } /* * We will stuff a modified version of the first NICs (BDF 1:0.0) MAC address * into the smbios serial number location. */ const char *smbios_mainboard_serial_number(void) { static char serial[10]; struct device *dev; uintptr_t bar18; u32 mac_addr = 0; int i; /* Already initialized. */ if (serial[0] != 0) return serial; dev = pcidev_on_root(4, 0); if (dev) dev = pcidev_path_behind(dev->link_list, PCI_DEVFN(0, 0)); if (!dev) return serial; /* Read in the last 3 bytes of NIC's MAC address. */ bar18 = pci_read_config32(dev, PCI_BASE_ADDRESS_2); bar18 &= 0xFFFFFFF0; for (i = 3; i < 6; i++) { mac_addr <<= 8; mac_addr |= read8((u8 *)bar18 + i); } mac_addr &= 0x00FFFFFF; mac_addr /= 4; mac_addr -= 64; snprintf(serial, sizeof(serial), "%d", mac_addr); return serial; } /* * Set up "Over Current Control 1" (reg 0x58) on the first OHCI device. * The remaining ports on the second device are for mcpie2/sdcard and * can stay at the power-on default value. * * The schematic shows this transposed mapping for the first device: * chipset port 0 -> port 1 (j12 external 2, usboc0#) * chipset port 1 -> port 4 (j17 mpcie1) * chipset port 2 -> port 2 (j14 header row1, usboc1#) * chipset port 3 -> port 3 (j14 header row2, usboc1#) * chipset port 4 -> port 0 (j12 external 1. usboc0#) * * Register mapping: * bit0-3: Mapping for HS Port 0 * bit4-7: Mapping for HS Port 1 * bit8-11: Mapping for HS Port 2 * bit12-15: Mapping for HS Port 3 * bit16-19: Mapping for HS Port 4 * bit20-31: Reserved (0) * * power-on default: 0xfffff * A value >7 will disable the overcurrent detection. */ static void usb_oc_setup(void) { struct device *dev = pcidev_on_root(0x12, 0); pci_write_config32(dev, 0x58, 0x011f0); } /* * We will stuff the memory size into the smbios sku location. */ const char *smbios_system_sku(void) { static char sku[5]; if (sku[0] != 0) return sku; if (!get_spd_offset()) snprintf(sku, sizeof(sku), "2 GB"); else snprintf(sku, sizeof(sku), "4 GB"); return sku; } static void mainboard_final(void *chip_info) { /* Maintain this text unchanged for manufacture process. */ printk(BIOS_INFO, "Mainboard " CONFIG_MAINBOARD_PART_NUMBER " Final.\n"); /* * LED1/D7/GPIO_189 should be 0 * LED2/D6/GPIO_190 should be 1 * LED3/D5/GPIO_191 should be 1 */ configure_gpio(GPIO_189, GPIO_FTN_1, GPIO_OUTPUT | GPIO_DATA_LOW); configure_gpio(GPIO_190, GPIO_FTN_1, GPIO_OUTPUT | GPIO_DATA_HIGH); configure_gpio(GPIO_191, GPIO_FTN_1, GPIO_OUTPUT | GPIO_DATA_HIGH); usb_oc_setup(); } struct chip_operations mainboard_ops = { .enable_dev = mainboard_enable, .final = mainboard_final, };