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| author | Leah Woods <info@minifree.org> | 2016-05-21 02:09:35 (EDT) |
|---|---|---|
| committer | Leah Woods <info@minifree.org> | 2016-05-21 02:24:37 (EDT) |
| commit | 77c90c894f7433a0117c481867414cb16fa7b3cc (patch) | |
| tree | 5de5b7539a8be1db78b592433dff2e8548f8edb4 /resources/libreboot/patch/coreboot/2a6f251f4d8d41d13051ec2c897aea800c07275a/grub/ga-g41m-es2l/004-add-driver-to-reset-nic.patch | |
| parent | 3726a2990fb0e0a76b428c2e6db108f45b53a437 (diff) | |
| download | libreboot-77c90c894f7433a0117c481867414cb16fa7b3cc.zip libreboot-77c90c894f7433a0117c481867414cb16fa7b3cc.tar.gz libreboot-77c90c894f7433a0117c481867414cb16fa7b3cc.tar.bz2 | |
Fix broken NIC on GA-G41-ES2L, courtesy of damo22 on IRC
Diffstat (limited to 'resources/libreboot/patch/coreboot/2a6f251f4d8d41d13051ec2c897aea800c07275a/grub/ga-g41m-es2l/004-add-driver-to-reset-nic.patch')
| -rw-r--r-- | resources/libreboot/patch/coreboot/2a6f251f4d8d41d13051ec2c897aea800c07275a/grub/ga-g41m-es2l/004-add-driver-to-reset-nic.patch | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/resources/libreboot/patch/coreboot/2a6f251f4d8d41d13051ec2c897aea800c07275a/grub/ga-g41m-es2l/004-add-driver-to-reset-nic.patch b/resources/libreboot/patch/coreboot/2a6f251f4d8d41d13051ec2c897aea800c07275a/grub/ga-g41m-es2l/004-add-driver-to-reset-nic.patch new file mode 100644 index 0000000..279d2f2 --- /dev/null +++ b/resources/libreboot/patch/coreboot/2a6f251f4d8d41d13051ec2c897aea800c07275a/grub/ga-g41m-es2l/004-add-driver-to-reset-nic.patch @@ -0,0 +1,80 @@ +From 5e99bbbf3140b198b2c4b68e646e7042f76806e3 Mon Sep 17 00:00:00 2001 +From: Damien Zammit <damien@zamaudio.com> +Date: Sat, 21 May 2016 02:24:19 +1000 +Subject: [PATCH] drivers/net/r8168: Add driver for 10ec:8168 to reset the NIC + +Change-Id: I32e070b545b4c6369686a7087b7ff838d00764e3 +Signed-off-by: Damien Zammit <damien@zamaudio.com> +--- + +diff --git a/src/drivers/net/Kconfig b/src/drivers/net/Kconfig +new file mode 100644 +index 0000000..b4bafd2 +--- /dev/null ++++ b/src/drivers/net/Kconfig +@@ -0,0 +1,5 @@ ++config REALTEK_8168_RESET ++ bool "Realtek 8168 reset" ++ help ++ This forces a realtek 10ec:8168 card to reset to ensure power state ++ is correct at boot. +diff --git a/src/drivers/net/Makefile.inc b/src/drivers/net/Makefile.inc +index 9b3008d..e435d48 100644 +--- a/src/drivers/net/Makefile.inc ++++ b/src/drivers/net/Makefile.inc +@@ -1,2 +1,3 @@ + romstage-$(CONFIG_CONSOLE_NE2K) += ne2k.c + ramstage-$(CONFIG_CONSOLE_NE2K) += ne2k.c ++ramstage-$(CONFIG_REALTEK_8168_RESET) += r8168.c +diff --git a/src/drivers/net/r8168.c b/src/drivers/net/r8168.c +new file mode 100644 +index 0000000..be5a7b8 +--- /dev/null ++++ b/src/drivers/net/r8168.c +@@ -0,0 +1,46 @@ ++/* ++ * Copyright (C) 2015 Damien Zammit <damien@zamaudio.com> ++ * ++ * This driver simply forces the 10ec:8168 device to reset so that it goes ++ * into a proper power state. ++ */ ++ ++#include <arch/io.h> ++#include <device/device.h> ++#include <device/pci.h> ++#include <device/pci_ids.h> ++#include <device/pci_ops.h> ++#include <stdlib.h> ++#include <string.h> ++ ++#define CMD_REG 0x37 ++ ++static void r8168_init(struct device *dev) ++{ ++ u32 cnt = 0; ++ ++ /* Get the resource of the NIC mmio */ ++ struct resource *nic_res = find_resource(dev, PCI_BASE_ADDRESS_0); ++ u32 nic_mmio = (u32)res2mmio(nic_res, 0, 0); ++ ++ /* Reset */ ++ outb(0x10, nic_mmio + CMD_REG); ++ ++ /* Poll for reset, with timeout */ ++ while (cnt < 1000 && (inb(nic_mmio + CMD_REG) & 0x10)) ++ cnt++; ++} ++ ++static struct device_operations r8168_ops = { ++ .read_resources = pci_dev_read_resources, ++ .set_resources = pci_dev_set_resources, ++ .enable_resources = pci_dev_enable_resources, ++ .init = r8168_init, ++ .scan_bus = 0, ++}; ++ ++static const struct pci_driver r8168_driver __pci_driver = { ++ .ops = &r8168_ops, ++ .vendor = 0x10ec, ++ .device = 0x8168, ++}; |