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Diffstat (limited to 'src/mainboard/google/tidus/lan.c')
| -rw-r--r-- | src/mainboard/google/tidus/lan.c | 192 |
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 */ - } -} |