lantiq: copy target to kernel 5.4

Duplicate kernel 4.19 config and patches for kernel 5.4.

Duplicate the devicetree source files as well, they need kernel 5.4
specific adjustments.

Signed-off-by: Mathias Kresin <dev@kresin.me>

1 files changed, 218 insertions, 0 deletions

diff --git a/target/linux/lantiq/patches-5.4/0035-owrt-lantiq-wifi-and-ethernet-eeprom-handling.patch b/target/linux/lantiq/patches-5.4/0035-owrt-lantiq-wifi-and-ethernet-eeprom-handling.patch
new file mode 100644
index 0000000000..a382b9117c
--- /dev/null
+++ b/target/linux/lantiq/patches-5.4/0035-owrt-lantiq-wifi-and-ethernet-eeprom-handling.patch
@@ -0,0 +1,218 @@
+From f8c5db89e793a4bc6c1e87bd7b3a5cec16b75bc3 Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Wed, 10 Sep 2014 22:42:14 +0200
+Subject: [PATCH 35/36] owrt: lantiq: wifi and ethernet eeprom handling
+
+Signed-off-by: John Crispin <blogic@openwrt.org>
+---
+ .../mips/include/asm/mach-lantiq/xway/lantiq_soc.h |   3 +
+ arch/mips/lantiq/xway/Makefile                     |   3 +
+ arch/mips/lantiq/xway/ath5k_eep.c                  | 136 +++++++++++++++++++++
+ arch/mips/lantiq/xway/eth_mac.c                    |  25 ++++
+ drivers/net/ethernet/lantiq_etop.c                 |   6 +-
+ 5 files changed, 172 insertions(+), 1 deletion(-)
+ create mode 100644 arch/mips/lantiq/xway/ath5k_eep.c
+ create mode 100644 arch/mips/lantiq/xway/eth_mac.c
+
+--- a/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h
++++ b/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h
+@@ -104,5 +104,8 @@ int xrx200_gphy_boot(struct device *dev,
+ extern void ltq_pmu_enable(unsigned int module);
+ extern void ltq_pmu_disable(unsigned int module);
+ 
++/* allow the ethernet driver to load a flash mapped mac addr */
++const u8* ltq_get_eth_mac(void);
++
+ #endif /* CONFIG_SOC_TYPE_XWAY */
+ #endif /* _LTQ_XWAY_H__ */
+--- a/arch/mips/lantiq/xway/Makefile
++++ b/arch/mips/lantiq/xway/Makefile
+@@ -7,3 +7,6 @@ obj-y += timer.o
+ endif
+ 
+ obj-y += vmmc.o
++
++obj-y += eth_mac.o
++obj-$(CONFIG_PCI) += ath5k_eep.o
+--- /dev/null
++++ b/arch/mips/lantiq/xway/ath5k_eep.c
+@@ -0,0 +1,136 @@
++/*
++ *  Copyright (C) 2011 Luca Olivetti <luca@ventoso.org>
++ *  Copyright (C) 2011 John Crispin <blogic@openwrt.org>
++ *  Copyright (C) 2011 Andrej Vlašić <andrej.vlasic0@gmail.com>
++ *  Copyright (C) 2013 Álvaro Fernández Rojas <noltari@gmail.com>
++ *  Copyright (C) 2013 Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us>
++ *  Copyright (C) 2015 Vittorio Gambaletta <openwrt@vittgam.net>
++ *
++ *  This program is free software; you can redistribute it and/or modify it
++ *  under the terms of the GNU General Public License version 2 as published
++ *  by the Free Software Foundation.
++ */
++
++#include <linux/init.h>
++#include <linux/platform_device.h>
++#include <linux/etherdevice.h>
++#include <linux/ath5k_platform.h>
++#include <linux/pci.h>
++#include <linux/err.h>
++#include <linux/mtd/mtd.h>
++#include <lantiq_soc.h>
++
++extern int (*ltq_pci_plat_dev_init)(struct pci_dev *dev);
++struct ath5k_platform_data ath5k_pdata;
++static u8 athxk_eeprom_mac[6];
++
++static int ath5k_pci_plat_dev_init(struct pci_dev *dev)
++{
++	dev->dev.platform_data = &ath5k_pdata;
++	return 0;
++}
++
++static int ath5k_eep_load;
++int __init of_ath5k_eeprom_probe(struct platform_device *pdev)
++{
++	struct device_node *np = pdev->dev.of_node, *mtd_np = NULL;
++	int mac_offset;
++	u32 mac_inc = 0;
++	int i;
++	struct mtd_info *the_mtd;
++	size_t flash_readlen;
++	const __be32 *list;
++	const char *part;
++	phandle phandle;
++
++	list = of_get_property(np, "ath,eep-flash", &i);
++	if (!list || (i != (2 * sizeof(*list))))
++		return -ENODEV;
++
++	phandle = be32_to_cpup(list++);
++	if (phandle)
++		mtd_np = of_find_node_by_phandle(phandle);
++
++	if (!mtd_np)
++		return -ENODEV;
++
++	part = of_get_property(mtd_np, "label", NULL);
++	if (!part)
++		part = mtd_np->name;
++
++	the_mtd = get_mtd_device_nm(part);
++	if (IS_ERR(the_mtd))
++		return -ENODEV;
++
++	ath5k_pdata.eeprom_data = kmalloc(ATH5K_PLAT_EEP_MAX_WORDS<<1, GFP_KERNEL);
++
++	i = mtd_read(the_mtd, be32_to_cpup(list), ATH5K_PLAT_EEP_MAX_WORDS << 1,
++		&flash_readlen, (void *) ath5k_pdata.eeprom_data);
++
++	if (!of_property_read_u32(np, "ath,mac-offset", &mac_offset)) {
++		size_t mac_readlen;
++		mtd_read(the_mtd, mac_offset, 6, &mac_readlen,
++			(void *) athxk_eeprom_mac);
++	}
++	put_mtd_device(the_mtd);
++
++	if (((ATH5K_PLAT_EEP_MAX_WORDS<<1) != flash_readlen) || i) {
++		dev_err(&pdev->dev, "failed to load eeprom from mtd\n");
++		return -ENODEV;
++	}
++
++	if (of_find_property(np, "ath,eep-swap", NULL))
++		for (i = 0; i < ATH5K_PLAT_EEP_MAX_WORDS; i++)
++			ath5k_pdata.eeprom_data[i] = swab16(ath5k_pdata.eeprom_data[i]);
++
++	if (!is_valid_ether_addr(athxk_eeprom_mac) && ltq_get_eth_mac())
++		ether_addr_copy(athxk_eeprom_mac, ltq_get_eth_mac());
++
++	if (!is_valid_ether_addr(athxk_eeprom_mac)) {
++		dev_warn(&pdev->dev, "using random mac\n");
++		random_ether_addr(athxk_eeprom_mac);
++	}
++
++	if (!of_property_read_u32(np, "ath,mac-increment", &mac_inc))
++		athxk_eeprom_mac[5] += mac_inc;
++
++	ath5k_pdata.macaddr = athxk_eeprom_mac;
++	ltq_pci_plat_dev_init = ath5k_pci_plat_dev_init;
++
++	dev_info(&pdev->dev, "loaded ath5k eeprom\n");
++
++	return 0;
++}
++
++static struct of_device_id ath5k_eeprom_ids[] = {
++	{ .compatible = "ath5k,eeprom" },
++	{ }
++};
++
++static struct platform_driver ath5k_eeprom_driver = {
++	.driver		= {
++		.name		= "ath5k,eeprom",
++		.owner	= THIS_MODULE,
++		.of_match_table	= of_match_ptr(ath5k_eeprom_ids),
++	},
++};
++
++static int __init of_ath5k_eeprom_init(void)
++{
++	int ret = platform_driver_probe(&ath5k_eeprom_driver, of_ath5k_eeprom_probe);
++
++	if (ret)
++		ath5k_eep_load = 1;
++
++	return ret;
++}
++
++static int __init of_ath5k_eeprom_init_late(void)
++{
++	if (!ath5k_eep_load)
++		return 0;
++
++	return platform_driver_probe(&ath5k_eeprom_driver, of_ath5k_eeprom_probe);
++}
++late_initcall(of_ath5k_eeprom_init_late);
++subsys_initcall(of_ath5k_eeprom_init);
+--- /dev/null
++++ b/arch/mips/lantiq/xway/eth_mac.c
+@@ -0,0 +1,25 @@
++/*
++ *  Copyright (C) 2012 John Crispin <blogic@openwrt.org>
++ *
++ *  This program is free software; you can redistribute it and/or modify it
++ *  under the terms of the GNU General Public License version 2 as published
++ *  by the Free Software Foundation.
++ */
++
++#include <linux/init.h>
++#include <linux/if_ether.h>
++
++static u8 eth_mac[6];
++static int eth_mac_set;
++
++const u8* ltq_get_eth_mac(void)
++{
++	return eth_mac;
++}
++
++static int __init setup_ethaddr(char *str)
++{
++	eth_mac_set = mac_pton(str, eth_mac);
++	return !eth_mac_set;
++}
++early_param("ethaddr", setup_ethaddr);
+--- a/drivers/net/ethernet/lantiq_etop.c
++++ b/drivers/net/ethernet/lantiq_etop.c
+@@ -780,7 +780,11 @@ ltq_etop_init(struct net_device *dev)
+ 	if (err)
+ 		goto err_hw;
+ 
+-	memcpy(&mac, &priv->pldata->mac, sizeof(struct sockaddr));
++	memcpy(&mac.sa_data, ltq_get_eth_mac(), ETH_ALEN);
++
++	if (priv->mac && !is_valid_ether_addr(mac.sa_data))
++		memcpy(&mac.sa_data, priv->mac, ETH_ALEN);
++
+ 	if (!is_valid_ether_addr(mac.sa_data)) {
+ 		pr_warn("etop: invalid MAC, using random\n");
+ 		eth_random_addr(mac.sa_data);