ar71xx: add kernel support for the Mikrotik RB951G board
This is platform definition for the RB951G device. It's mostly rework of RB2011UAS patchset with network taken from the RB751 patches. The main difference is the flash layout used by this device. [juhosg: - remove dead code from mach-rb951g - add "-2HnD" suffix to the machine name - use a separate 615-MIPS-ath79-RB951G-support.patch] Patchwork: http://patchwork.openwrt.org/patch/3257/ Signed-off-by: Kamil Trzcinski <ayufan@ayufan.eu> Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 35633
This commit is contained in:
Gabor Juhos
parent
1a8218d6e4
commit
7a709573d7
3 changed files with 264 additions and 0 deletions
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@ -56,6 +56,7 @@ CONFIG_ATH79_MACH_PB92=y
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CONFIG_ATH79_MACH_RB2011=y
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CONFIG_ATH79_MACH_RB4XX=y
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CONFIG_ATH79_MACH_RB750=y
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CONFIG_ATH79_MACH_RB95X=y
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CONFIG_ATH79_MACH_RW2458N=y
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CONFIG_ATH79_MACH_TEW_632BRP=y
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CONFIG_ATH79_MACH_TEW_673GRU=y
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214
target/linux/ar71xx/files/arch/mips/ath79/mach-rb95x.c
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214
target/linux/ar71xx/files/arch/mips/ath79/mach-rb95x.c
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@ -0,0 +1,214 @@
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/*
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* MikroTik RouterBOARD 95X support
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*
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* Copyright (C) 2012 Stijn Tintel <stijn@linux-ipv6.be>
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* Copyright (C) 2012 Gabor Juhos <juhosg@openwrt.org>
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* Copyright (C) 2013 Kamil Trzcinski <ayufan@ayufan.eu>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*/
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#define pr_fmt(fmt) "rb95x: " fmt
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#include <linux/phy.h>
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#include <linux/delay.h>
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#include <linux/platform_device.h>
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#include <linux/ath9k_platform.h>
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#include <linux/ar8216_platform.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/nand.h>
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#include <linux/mtd/partitions.h>
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#include <linux/spi/spi.h>
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#include <linux/spi/flash.h>
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#include <linux/rle.h>
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#include <linux/routerboot.h>
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#include <linux/gpio.h>
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#include <asm/mach-ath79/ath79.h>
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#include <asm/mach-ath79/ar71xx_regs.h>
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#include "common.h"
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#include "dev-eth.h"
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#include "dev-m25p80.h"
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#include "dev-nfc.h"
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#include "dev-usb.h"
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#include "dev-wmac.h"
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#include "machtypes.h"
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#include "routerboot.h"
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#define RB95X_GPIO_NAND_NCE 14
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#define RB_ROUTERBOOT_OFFSET 0x0000
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#define RB_ROUTERBOOT_SIZE 0xb000
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#define RB_HARD_CFG_OFFSET 0xc000
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#define RB_HARD_CFG_SIZE 0x1000
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#define RB_BIOS_OFFSET 0xd000
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#define RB_BIOS_SIZE 0x2000
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#define RB_SOFT_CFG_OFFSET 0xe000
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#define RB_SOFT_CFG_SIZE 0x1000
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#define RB_ART_SIZE 0x10000
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static struct mtd_partition rb95x_nand_partitions[] = {
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{
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.name = "booter",
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.offset = 0,
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.size = (256 * 1024),
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.mask_flags = MTD_WRITEABLE,
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},
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{
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.name = "kernel",
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.offset = (256 * 1024),
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.size = (4 * 1024 * 1024) - (256 * 1024),
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},
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{
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.name = "rootfs",
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.offset = MTDPART_OFS_NXTBLK,
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.size = MTDPART_SIZ_FULL,
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},
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};
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static struct ar8327_pad_cfg rb95x_ar8327_pad0_cfg = {
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.mode = AR8327_PAD_MAC_RGMII,
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.txclk_delay_en = true,
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.rxclk_delay_en = true,
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.txclk_delay_sel = AR8327_CLK_DELAY_SEL1,
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.rxclk_delay_sel = AR8327_CLK_DELAY_SEL2,
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};
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static struct ar8327_platform_data rb95x_ar8327_data = {
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.pad0_cfg = &rb95x_ar8327_pad0_cfg,
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.port0_cfg = {
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.force_link = 1,
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.speed = AR8327_PORT_SPEED_1000,
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.duplex = 1,
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.txpause = 1,
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.rxpause = 1,
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}
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};
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static struct mdio_board_info rb95x_mdio0_info[] = {
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{
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.bus_id = "ag71xx-mdio.0",
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.phy_addr = 0,
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.platform_data = &rb95x_ar8327_data,
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},
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};
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void __init rb95x_wlan_init(void)
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{
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u8 *hard_cfg = (u8 *) KSEG1ADDR(0x1f000000 + RB_HARD_CFG_OFFSET);
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u16 tag_len;
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u8 *tag;
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char *art_buf;
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u8 wlan_mac[ETH_ALEN];
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int err;
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err = routerboot_find_tag(hard_cfg, RB_HARD_CFG_SIZE, RB_ID_WLAN_DATA,
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&tag, &tag_len);
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if (err) {
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pr_err("no calibration data found\n");
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return;
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}
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art_buf = kmalloc(RB_ART_SIZE, GFP_KERNEL);
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if (art_buf == NULL) {
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pr_err("no memory for calibration data\n");
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return;
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}
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err = rle_decode((char *) tag, tag_len, art_buf, RB_ART_SIZE,
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NULL, NULL);
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if (err) {
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pr_err("unable to decode calibration data\n");
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goto free;
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}
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ath79_init_mac(wlan_mac, ath79_mac_base, 11);
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ath79_register_wmac(art_buf + 0x1000, wlan_mac);
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free:
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kfree(art_buf);
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}
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static void rb95x_nand_select_chip(int chip_no)
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{
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switch (chip_no) {
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case 0:
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gpio_set_value(RB95X_GPIO_NAND_NCE, 0);
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break;
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default:
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gpio_set_value(RB95X_GPIO_NAND_NCE, 1);
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break;
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}
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ndelay(500);
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}
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static struct nand_ecclayout rb95x_nand_ecclayout = {
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.eccbytes = 6,
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.eccpos = { 8, 9, 10, 13, 14, 15 },
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.oobavail = 9,
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.oobfree = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } }
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};
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static int rb95x_nand_scan_fixup(struct mtd_info *mtd)
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{
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struct nand_chip *chip = mtd->priv;
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if (mtd->writesize == 512) {
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/*
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* Use the OLD Yaffs-1 OOB layout, otherwise RouterBoot
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* will not be able to find the kernel that we load.
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*/
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chip->ecc.layout = &rb95x_nand_ecclayout;
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}
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return 0;
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}
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void __init rb95x_nand_init(void)
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{
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ath79_nfc_set_scan_fixup(rb95x_nand_scan_fixup);
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ath79_nfc_set_parts(rb95x_nand_partitions,
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ARRAY_SIZE(rb95x_nand_partitions));
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ath79_nfc_set_select_chip(rb95x_nand_select_chip);
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ath79_nfc_set_swap_dma(true);
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ath79_register_nfc();
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}
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void __init rb95x_gpio_init(void)
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{
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gpio_request_one(RB95X_GPIO_NAND_NCE, GPIOF_OUT_INIT_HIGH, "NAND nCE");
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}
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static void __init rb95x_setup(void)
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{
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rb95x_gpio_init();
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rb95x_nand_init();
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ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0 |
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AR934X_ETH_CFG_SW_ONLY_MODE);
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ath79_register_mdio(0, 0x0);
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mdiobus_register_board_info(rb95x_mdio0_info,
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ARRAY_SIZE(rb95x_mdio0_info));
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ath79_init_mac(ath79_eth0_data.mac_addr, ath79_mac_base, 0);
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ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
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ath79_eth0_data.phy_mask = BIT(0);
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ath79_register_eth(0);
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}
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static void __init rb951g_setup(void)
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{
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rb95x_setup();
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rb95x_wlan_init();
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ath79_register_usb();
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}
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MIPS_MACHINE(ATH79_MACH_RB_951G, "951G", "MikroTik RouterBOARD 951G-2HnD",
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rb951g_setup);
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@ -0,0 +1,49 @@
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--- a/arch/mips/ath79/machtypes.h
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+++ b/arch/mips/ath79/machtypes.h
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@@ -70,6 +70,7 @@ enum ath79_mach_type {
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ATH79_MACH_RB_750G_R3, /* MikroTik RouterBOARD 750GL */
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ATH79_MACH_RB_751, /* MikroTik RouterBOARD 751 */
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ATH79_MACH_RB_751G, /* Mikrotik RouterBOARD 751G */
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+ ATH79_MACH_RB_951G, /* Mikrotik RouterBOARD 951G */
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ATH79_MACH_RB_2011G, /* Mikrotik RouterBOARD 2011UAS-2HnD */
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ATH79_MACH_RB_2011L, /* Mikrotik RouterBOARD 2011L */
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ATH79_MACH_RW2458N, /* Redwave RW2458N */
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--- a/arch/mips/ath79/Kconfig
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+++ b/arch/mips/ath79/Kconfig
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@@ -360,6 +360,16 @@ config ATH79_MACH_RB750
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select ATH79_ROUTERBOOT
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select RLE_DECOMPRESS
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+config ATH79_MACH_RB95X
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+ bool "MikroTik RouterBOARD 95X support"
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+ select SOC_AR934x
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+ select ATH79_DEV_ETH
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+ select ATH79_DEV_NFC
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+ select ATH79_DEV_WMAC
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+ select ATH79_DEV_USB
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+ select ATH79_ROUTERBOOT
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+ select RLE_DECOMPRESS
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+
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config ATH79_MACH_RB2011
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bool "MikroTik RouterBOARD 2011 support"
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select SOC_AR934x
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--- a/arch/mips/ath79/Makefile
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+++ b/arch/mips/ath79/Makefile
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@@ -71,6 +71,7 @@ obj-$(CONFIG_ATH79_MACH_PB44) += mach-p
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obj-$(CONFIG_ATH79_MACH_PB92) += mach-pb92.o
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obj-$(CONFIG_ATH79_MACH_RB4XX) += mach-rb4xx.o
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obj-$(CONFIG_ATH79_MACH_RB750) += mach-rb750.o
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+obj-$(CONFIG_ATH79_MACH_RB95X) += mach-rb95x.o
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obj-$(CONFIG_ATH79_MACH_RB2011) += mach-rb2011.o
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obj-$(CONFIG_ATH79_MACH_RW2458N) += mach-rw2458n.o
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obj-$(CONFIG_ATH79_MACH_TEW_632BRP) += mach-tew-632brp.o
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--- a/arch/mips/ath79/prom.c
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+++ b/arch/mips/ath79/prom.c
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@@ -182,6 +182,7 @@ void __init prom_init(void)
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}
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if (strstr(arcs_cmdline, "board=750Gr3") ||
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+ strstr(arcs_cmdline, "board=951G") ||
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strstr(arcs_cmdline, "board=2011L"))
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ath79_prom_append_cmdline("console", "ttyS0,115200");
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}
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