/* * This file is part of the coreboot project. * * Copyright (C) 2011 Advanced Micro Devices, Inc. * Copyright (C) 2013-2014 Sage Electronic Engineering, LLC * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "gpio_ftns.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. 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 = sizeof(mainboard_pirq_data) / sizeof(struct pirq_struct); 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. **********************************************/ static void mainboard_enable(struct device *dev) { 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 */ u8 *misc_mem_clk_cntrl = (u8 *)(ACPI_MMIO_BASE + MISC_BASE); /* GPP CLK0-2 are connected to the 3 ethernet chips * GPP CLK3-4 are connected to the miniPCIe slots */ write8(misc_mem_clk_cntrl + 0, 0x21); write8(misc_mem_clk_cntrl + 1, 0x43); /* GPP CLK5 is only connected to test pads -> disable */ write8(misc_mem_clk_cntrl + 2, 0x05); /* disable unconnected GPP CLK6-8 and SLT_GFX_CLK */ write8(misc_mem_clk_cntrl + 3, 0x00); write8(misc_mem_clk_cntrl + 4, 0x00); /* Initialize the PIRQ data structures for consumption */ pirq_setup(); } /* * 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 *nic_dev; uintptr_t bar18; u32 mac_addr = 0; int i; nic_dev = dev_find_slot(1, PCI_DEVFN(0, 0)); if ((serial[0] != 0) || !nic_dev) return serial; /* Read in the last 3 bytes of NIC's MAC address. */ bar18 = pci_read_config32(nic_dev, 0x18); bar18 &= 0xFFFFFC00; 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) { u32 mmio_base; 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 */ mmio_base = find_gpio_base(); configure_gpio(mmio_base, GPIO_189, GPIO_FTN_1, GPIO_OUTPUT | GPIO_DATA_LOW); configure_gpio(mmio_base, GPIO_190, GPIO_FTN_1, GPIO_OUTPUT | GPIO_DATA_HIGH); configure_gpio(mmio_base, 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, };