diff options
Diffstat (limited to 'src/northbridge/via/vx900/traf_ctrl.c')
| -rw-r--r-- | src/northbridge/via/vx900/traf_ctrl.c | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/src/northbridge/via/vx900/traf_ctrl.c b/src/northbridge/via/vx900/traf_ctrl.c deleted file mode 100644 index 2ef542afb8..0000000000 --- a/src/northbridge/via/vx900/traf_ctrl.c +++ /dev/null @@ -1,142 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2012 Alexandru Gagniuc <mr.nuke.me@gmail.com> - * - * 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, either version 2 of the License, or - * (at your option) any later version. - * - * 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 <device/pci.h> -#include <device/pci_ops.h> -#include <device/pci_ids.h> -#include <console/console.h> -#include <drivers/generic/ioapic/chip.h> - -#include "vx900.h" -#include "chip.h" - -/** - * @file vx900/traf_ctrl.c - * - * STATUS: - * The same issues with the IOAPIC pointe in lpc.c also apply here. - * - * We need to check if the current PCIE lane configuration mechanism is sane. - */ - -/** - * \brief VX900: Set up the north module IOAPIC (for PCIE and VGA) - * - * Enable the IOAPIC in the south module, and properly set it up. - * \n - * This is the hardware specific initialization for the IOAPIC, and complements - * the setup done by the generic IOAPIC driver. In order for the IOAPIC to work - * properly, it _must_ be declared in devicetree.cb . - * \n - * We are assuming this is called before the drivers/generic/ioapic code, - * which should be the case if devicetree.cb is set up properly. - */ -static void vx900_north_ioapic_setup(struct device *dev) -{ - u8 base_val; - struct device *ioapic; - ioapic_config_t *config; - /* Find the IOAPIC, and make sure it's set up correctly in devicetree.cb - * If it's not, then the generic ioapic driver will not set it up - * correctly, and the MP table will not be correctly generated */ - for (ioapic = dev->next; ioapic; ioapic = ioapic->next) { - if (ioapic->path.type == DEVICE_PATH_IOAPIC) - break; - } - /* You did put an IOAPIC in devicetree.cb, didn't you? */ - if (ioapic == 0) { - /* We don't have enough info to set up the IOAPIC */ - printk(BIOS_ERR, "ERROR: North module IOAPIC not found. " - "Check your devicetree.cb\n"); - return; - } - /* Found our IOAPIC, and it should not carry ISA interrupts */ - config = (ioapic_config_t *) ioapic->chip_info; - if (config->have_isa_interrupts) { - /* Umh, is this the right IOAPIC ? */ - printk(BIOS_ERR, "ERROR: North module IOAPIC should not carry " - "ISA interrupts.\n" "Check your devicetree.cb\n"); - printk(BIOS_ERR, "Will not initialize this IOAPIC.\n"); - return; - } - /* The base address of this IOAPIC _must_ - * be between 0xfec00000 and 0xfecfff00 - * be 256-byte aligned - */ - if ((config->base < (void *)0xfec0000 || config->base > (void *)0xfecfff00) - || (((uintptr_t)config->base & 0xff) != 0)) { - printk(BIOS_ERR, "ERROR: North module IOAPIC base should be " - "between 0xfec00000 and 0xfecfff00\n" - "and must be aligned to a 256-byte boundary, " - "but we found it at 0x%p\n", config->base); - return; - } - - printk(BIOS_DEBUG, "VX900 TRAF_CTR: Setting up the north module IOAPIC " - "at %p\n", config->base); - - /* First register of the IOAPIC base */ - base_val = (((uintptr_t)config->base) >> 8) & 0xff; - pci_write_config8(dev, 0x41, base_val); - /* Second register of the base. - * Bit[7] also enables the IOAPIC and bit[5] enables MSI cycles */ - base_val = (((uintptr_t)config->base) >> 16) & 0xf; - pci_or_config8(dev, 0x40, base_val | (1 << 7) | (1 << 5)); -} - -/* - * Configures the PCI-express ports - * - * FIXME: triple-quadruple-check this - */ -static void vx900_pex_link_setup(struct device *dev) -{ - u8 reg8; - struct northbridge_via_vx900_config *nb = (void *)dev->chip_info; - - reg8 = pci_read_config8(dev, 0xb0); - reg8 &= ~((1 << 7) | (1 << 3)); - - if (nb->assign_pex_to_dp) - reg8 |= (1 << 7); - - if (!nb->pcie_port1_2_lane_wide) - reg8 |= (1 << 3); - - pci_write_config8(dev, 0xb0, reg8); -} - -static void vx900_traf_ctr_init(struct device *dev) -{ - vx900_north_ioapic_setup(dev); - vx900_pex_link_setup(dev); -} - -static struct device_operations traf_ctrl_ops = { - .read_resources = pci_dev_read_resources, - .set_resources = pci_dev_set_resources, - .enable_resources = pci_dev_enable_resources, - .init = vx900_traf_ctr_init, - /* Need this here, or the IOAPIC driver won't be called. - * FIXME: Technically not a LPC bus. */ - .scan_bus = scan_static_bus, -}; - -static const struct pci_driver traf_ctrl_driver __pci_driver = { - .ops = &traf_ctrl_ops, - .vendor = PCI_VENDOR_ID_VIA, - .device = PCI_DEVICE_ID_VIA_VX900_TRAF, -}; |