diff options
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 | 133 |
1 files changed, 0 insertions, 133 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 deleted file mode 100644 index 7d1d1c5..0000000 --- a/resources/libreboot/patch/coreboot/2a6f251f4d8d41d13051ec2c897aea800c07275a/grub/ga-g41m-es2l/004-add-driver-to-reset-nic.patch +++ /dev/null @@ -1,133 +0,0 @@ -From 8f90ec9634e7eb0a385902fe2d74af4ebc33c7c2 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 realtek nic - -One thing that is vital to this patch is the MAC address setting -in case the EEPROM/efuse is unconfigured. -Linux now recognises the default MAC address on GA-G41M-ES2L which -does rely on the default bios settings for the MAC address. - -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..4301693 ---- /dev/null -+++ b/src/drivers/net/r8168.c -@@ -0,0 +1,94 @@ -+/* -+ * This file is part of the coreboot project. -+ * -+ * Copyright (C) 2016 Damien Zammit <damien@zamaudio.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; 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. -+ */ -+ -+/* -+ * This driver forces the 10ec:8168 device to reset so that it goes -+ * into a proper power state, also programs a default MAC address -+ * so that if the EEPROM/efuse is unconfigured it still has a default MAC. -+ */ -+ -+#include <arch/io.h> -+#include <device/device.h> -+#include <device/pci.h> -+#include <device/pci_ops.h> -+#include <device/pci_def.h> -+#include <delay.h> -+#include <console/console.h> -+ -+#define NIC_TIMEOUT 1000 -+ -+#define CMD_REG 0x37 -+#define CMD_REG_RESET 0x10 -+ -+#define CFG_9346 0x50 -+#define CFG_9346_LOCK 0x00 -+#define CFG_9346_UNLOCK 0xc0 -+ -+static void r8168_init(struct device *dev) -+{ -+ u32 i; -+ const u8 mac[6] = { 0x00, 0xe0, 0x4c, 0x00, 0xc0, 0xb0 }; -+ -+ /* Get the resource of the NIC mmio */ -+ struct resource *nic_res = find_resource(dev, PCI_BASE_ADDRESS_0); -+ u16 nic_port = (u16)nic_res->base; -+ -+ /* Set bus master */ -+ pci_write_config16(dev, PCI_COMMAND, PCI_COMMAND_MASTER -+ | PCI_COMMAND_MEMORY | PCI_COMMAND_IO); -+ -+ /* Reset NIC */ -+ printk(BIOS_DEBUG, "r8168: Resetting NIC..."); -+ outb(CMD_REG_RESET, nic_port + CMD_REG); -+ -+ i = 0; -+ /* Poll for reset, with 1s timeout */ -+ while (i < NIC_TIMEOUT && (inb(nic_port + CMD_REG) & CMD_REG_RESET)) { -+ udelay(1000); -+ if (++i >= NIC_TIMEOUT) -+ printk(BIOS_DEBUG, "timeout waiting for nic to reset\n"); -+ } -+ if (i < NIC_TIMEOUT) -+ printk(BIOS_DEBUG, "done\n"); -+ -+ /* Unlock config regs */ -+ outb(CFG_9346_UNLOCK, nic_port + CFG_9346); -+ -+ /* Set MAC address 00:e0:4c:00:c0:b0 -+ * NB: only 4-byte write accesses allowed -+ */ -+ outl(mac[4] | mac[5] << 8, nic_port + 4); -+ inl(nic_port + 4); -+ -+ outl(mac[0] | mac[1] << 8 | mac[2] << 16 | mac[3] << 24, nic_port); -+ inl(nic_port); -+ -+ /* Lock config regs */ -+ outb(CFG_9346_LOCK, nic_port + CFG_9346); -+} -+ -+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, -+}; |