diff options
Diffstat (limited to 'src/northbridge/intel/i440lx/northbridge.c')
| -rw-r--r-- | src/northbridge/intel/i440lx/northbridge.c | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/src/northbridge/intel/i440lx/northbridge.c b/src/northbridge/intel/i440lx/northbridge.c deleted file mode 100644 index 5135d0323b..0000000000 --- a/src/northbridge/intel/i440lx/northbridge.c +++ /dev/null @@ -1,137 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de> - * Copyright (C) 2009 Maciej Pijanka <maciej.pijanka@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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc. - */ - -#include <console/console.h> -#include <arch/io.h> -#include <stdint.h> -#include <device/device.h> -#include <device/pci.h> -#include <device/pci_ids.h> -#include <stdlib.h> -#include <string.h> -#include <cbmem.h> -#include <cpu/cpu.h> -#include <pc80/keyboard.h> -#include "northbridge.h" -#include "i440lx.h" - -/* This code is mostly same as 440BX created by Uwe Hermann, - * i done only very minor changes like renamed functions to 440lx etc - * Maciej - */ - -static void northbridge_init(device_t dev) -{ - printk(BIOS_SPEW, "Northbridge Init\n"); -} - -static struct device_operations northbridge_operations = { - .read_resources = pci_dev_read_resources, - .set_resources = pci_dev_set_resources, - .enable_resources = pci_dev_enable_resources, - .init = northbridge_init, - .enable = 0, - .ops_pci = 0, -}; - -static const struct pci_driver northbridge_driver __pci_driver = { - .ops = &northbridge_operations, - .vendor = PCI_VENDOR_ID_INTEL, - .device = 0x7180, -}; - -static void i440lx_domain_set_resources(device_t dev) -{ - device_t mc_dev; - uint32_t pci_tolm; - - pci_tolm = find_pci_tolm(dev->link_list); - mc_dev = dev->link_list->children; - if (mc_dev) { - unsigned long tomk, tolmk; - int idx; - - /* Figure out which areas are/should be occupied by RAM. The - * value of the highest DRB denotes the end of the physical - * memory (in units of 8MB). - */ - tomk = ((unsigned long)pci_read_config8(mc_dev, DRB7)); - - /* Convert to KB. */ - tomk *= (8 * 1024); - - printk(BIOS_DEBUG, "Setting RAM size to %lu MB\n", tomk / 1024); - - /* Compute the top of low memory. */ - tolmk = pci_tolm / 1024; - - if (tolmk >= tomk) { - /* The PCI hole does not overlap the memory. */ - tolmk = tomk; - } - - /* Report the memory regions. */ - idx = 10; - ram_resource(dev, idx++, 0, 640); - ram_resource(dev, idx++, 768, tolmk - 768); - - set_top_of_ram(tomk * 1024); - } - assign_resources(dev->link_list); -} - -static struct device_operations pci_domain_ops = { - .read_resources = pci_domain_read_resources, - .set_resources = i440lx_domain_set_resources, - .enable_resources = NULL, - .init = NULL, - .scan_bus = pci_domain_scan_bus, - .ops_pci_bus = pci_bus_default_ops, -}; - -static void cpu_bus_init(device_t dev) -{ - initialize_cpus(dev->link_list); -} - -static struct device_operations cpu_bus_ops = { - .read_resources = DEVICE_NOOP, - .set_resources = DEVICE_NOOP, - .enable_resources = DEVICE_NOOP, - .init = cpu_bus_init, - .scan_bus = 0, -}; - -static void enable_dev(struct device *dev) -{ - /* Set the operations if it is a special bus type */ - if (dev->path.type == DEVICE_PATH_DOMAIN) { - dev->ops = &pci_domain_ops; - } - else if (dev->path.type == DEVICE_PATH_CPU_CLUSTER) { - dev->ops = &cpu_bus_ops; - } -} - -struct chip_operations northbridge_intel_i440lx_ops = { - CHIP_NAME("Intel 82443LX (440LX) Northbridge") - .enable_dev = enable_dev, -}; |