summaryrefslogtreecommitdiff
path: root/src/mainboard/google/tidus/lan.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mainboard/google/tidus/lan.c')
-rw-r--r--src/mainboard/google/tidus/lan.c192
1 files changed, 0 insertions, 192 deletions
diff --git a/src/mainboard/google/tidus/lan.c b/src/mainboard/google/tidus/lan.c
deleted file mode 100644
index 6f965cfa27..0000000000
--- a/src/mainboard/google/tidus/lan.c
+++ /dev/null
@@ -1,192 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2012 Google Inc.
- *
- * 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 <cbfs.h>
-#include <string.h>
-#include <types.h>
-#include <arch/io.h>
-#include <console/console.h>
-#include <device/device.h>
-#include <device/pci.h>
-#include <fmap.h>
-#include <southbridge/intel/bd82x6x/pch.h>
-#include "onboard.h"
-
-static unsigned int search(char *p, u8 *a, unsigned int lengthp,
- unsigned int lengtha)
-{
- int i, j;
-
- /* Searching */
- for (j = 0; j <= lengtha - lengthp; j++) {
- for (i = 0; i < lengthp && p[i] == a[i + j]; i++)
- ;
- if (i >= lengthp)
- return j;
- }
- return lengtha;
-}
-
-static unsigned char get_hex_digit(u8 *offset)
-{
- unsigned char retval = 0;
-
- retval = *offset - '0';
- if (retval > 0x09) {
- retval = *offset - 'A' + 0x0A;
- if (retval > 0x0F)
- retval = *offset - 'a' + 0x0a;
- }
- if (retval > 0x0F) {
- printk(BIOS_DEBUG, "Error: Invalid Hex digit found: %c - 0x%02x\n",
- *offset, *offset);
- retval = 0;
- }
-
- return retval;
-}
-
-static int get_mac_address(u32 *high_dword, u32 *low_dword,
- u8 *search_address, u32 search_length)
-{
- char key[] = "ethernet_mac";
- unsigned int offset;
- int i;
-
- offset = search(key, search_address, sizeof(key) - 1, search_length);
- if (offset == search_length) {
- printk(BIOS_DEBUG,
- "Error: Could not locate '%s' in VPD\n", key);
- return 0;
- }
- printk(BIOS_DEBUG, "Located '%s' in VPD\n", key);
-
- offset += sizeof(key); /* move to next character */
- *high_dword = 0;
-
- /* Fetch the MAC address and put the octets in the correct order to
- * be programmed.
- *
- * From RTL8105E_Series_EEPROM-Less_App_Note_1.1
- * If the MAC address is 001122334455h:
- * Write 33221100h to I/O register offset 0x00 via double word access
- * Write 00005544h to I/O register offset 0x04 via double word access
- */
-
- for (i = 0; i < 4; i++) {
- *high_dword |= (get_hex_digit(search_address + offset)
- << (4 + (i * 8)));
- *high_dword |= (get_hex_digit(search_address + offset + 1)
- << (i * 8));
- offset += 3;
- }
-
- *low_dword = 0;
- for (i = 0; i < 2; i++) {
- *low_dword |= (get_hex_digit(search_address + offset)
- << (4 + (i * 8)));
- *low_dword |= (get_hex_digit(search_address + offset + 1)
- << (i * 8));
- offset += 3;
- }
-
- return *high_dword | *low_dword;
-}
-
-static void program_mac_address(u16 io_base)
-{
- void *search_address = NULL;
- size_t search_length = -1;
-
- /* Default MAC Address of A0:00:BA:D0:0B:AD */
- u32 high_dword = 0xD0BA00A0; /* high dword of mac address */
- u32 low_dword = 0x0000AD0B; /* low word of mac address as a dword */
-
- if (IS_ENABLED(CONFIG_CHROMEOS)) {
- struct region_device rdev;
-
- if (fmap_locate_area_as_rdev("RO_VPD", &rdev) == 0) {
- search_address = rdev_mmap_full(&rdev);
-
- if (search_address != NULL)
- search_length = region_device_sz(&rdev);
- }
- } else {
- search_address = cbfs_boot_map_with_leak("vpd.bin",
- CBFS_TYPE_RAW,
- &search_length);
- }
-
- if (search_address == NULL)
- printk(BIOS_ERR, "LAN: VPD not found.\n");
- else
- get_mac_address(&high_dword, &low_dword, search_address,
- search_length);
-
- if (io_base) {
- printk(BIOS_DEBUG, "Realtek NIC io_base = 0x%04x\n", io_base);
- printk(BIOS_DEBUG, "Programming MAC Address\n");
-
- /* Disable register protection */
- outb(0xc0, io_base + 0x50);
- outl(high_dword, io_base);
- outl(low_dword, io_base + 0x04);
- outb(0x60, io_base + 54);
- /* Enable register protection again */
- outb(0x00, io_base + 0x50);
- }
-}
-
-void lan_init(void)
-{
- u16 io_base = 0;
- struct device *ethernet_dev = NULL;
-
- /* Get NIC's IO base address */
- ethernet_dev = dev_find_device(TIDUS_NIC_VENDOR_ID,
- TIDUS_NIC_DEVICE_ID, 0);
- if (ethernet_dev != NULL) {
- io_base = pci_read_config16(ethernet_dev, 0x10) & 0xfffe;
-
- /*
- * Battery life time - LAN PCIe should enter ASPM L1 to save
- * power when LAN connection is idle.
- * enable CLKREQ: LAN pci config space 0x81h=01
- */
- pci_write_config8(ethernet_dev, 0x81, 0x01);
- }
-
- if (io_base) {
- /* Program MAC address based on VPD data */
- program_mac_address(io_base);
-
- /*
- * Program NIC LEDS
- *
- * RTL8105E Series EEPROM-Less Application Note,
- * Section 5.6 LED Mode Configuration
- *
- * Step1: Write C0h to I/O register 0x50 via byte access to
- * disable 'register protection'
- * Step2: Write xx001111b to I/O register 0x52 via byte access
- * (bit7 is LEDS1 and bit6 is LEDS0)
- * Step3: Write 0x00 to I/O register 0x50 via byte access to
- * enable 'register protection'
- */
- outb(0xc0, io_base + 0x50); /* Disable protection */
- outb((TIDUS_NIC_LED_MODE << 6) | 0x0f, io_base + 0x52);
- outb(0x00, io_base + 0x50); /* Enable register protection */
- }
-}