2 * MikroTik RouterBOARD 2011 support
4 * Copyright (C) 2012 Stijn Tintel <stijn@linux-ipv6.be>
5 * Copyright (C) 2012 Gabor Juhos <juhosg@openwrt.org>
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License version 2 as published
9 * by the Free Software Foundation.
12 #define pr_fmt(fmt) "rb2011: " fmt
14 #include <linux/phy.h>
15 #include <linux/delay.h>
16 #include <linux/platform_device.h>
17 #include <linux/ath9k_platform.h>
18 #include <linux/ar8216_platform.h>
19 #include <linux/mtd/mtd.h>
20 #include <linux/mtd/nand.h>
21 #include <linux/mtd/partitions.h>
22 #include <linux/spi/spi.h>
23 #include <linux/spi/flash.h>
24 #include <linux/routerboot.h>
25 #include <linux/gpio.h>
28 #include <asm/mach-ath79/ath79.h>
29 #include <asm/mach-ath79/ar71xx_regs.h>
33 #include "dev-m25p80.h"
37 #include "machtypes.h"
38 #include "routerboot.h"
40 #define RB2011_GPIO_NAND_NCE 14
41 #define RB2011_GPIO_SFP_LOS 21
43 #define RB_ROUTERBOOT_OFFSET 0x0000
44 #define RB_ROUTERBOOT_MIN_SIZE 0xb000
45 #define RB_HARD_CFG_SIZE 0x1000
46 #define RB_BIOS_OFFSET 0xd000
47 #define RB_BIOS_SIZE 0x1000
48 #define RB_SOFT_CFG_OFFSET 0xf000
49 #define RB_SOFT_CFG_SIZE 0x1000
51 #define RB_ART_SIZE 0x10000
53 #define RB2011_FLAG_SFP BIT(0)
54 #define RB2011_FLAG_USB BIT(1)
55 #define RB2011_FLAG_WLAN BIT(2)
57 static struct mtd_partition rb2011_spi_partitions[] = {
60 .offset = RB_ROUTERBOOT_OFFSET,
61 .mask_flags = MTD_WRITEABLE,
63 .name = "hard_config",
64 .size = RB_HARD_CFG_SIZE,
65 .mask_flags = MTD_WRITEABLE,
68 .offset = RB_BIOS_OFFSET,
70 .mask_flags = MTD_WRITEABLE,
72 .name = "soft_config",
73 .size = RB_SOFT_CFG_SIZE,
77 static void __init rb2011_init_partitions(const struct rb_info *info)
79 rb2011_spi_partitions[0].size = info->hard_cfg_offs;
80 rb2011_spi_partitions[1].offset = info->hard_cfg_offs;
81 rb2011_spi_partitions[3].offset = info->soft_cfg_offs;
84 static struct mtd_partition rb2011_nand_partitions[] = {
89 .mask_flags = MTD_WRITEABLE,
93 .offset = (256 * 1024),
94 .size = (4 * 1024 * 1024) - (256 * 1024),
98 .offset = MTDPART_OFS_NXTBLK,
99 .size = MTDPART_SIZ_FULL,
103 static struct flash_platform_data rb2011_spi_flash_data = {
104 .parts = rb2011_spi_partitions,
105 .nr_parts = ARRAY_SIZE(rb2011_spi_partitions),
108 static struct ar8327_pad_cfg rb2011_ar8327_pad0_cfg = {
109 .mode = AR8327_PAD_MAC_RGMII,
110 .txclk_delay_en = true,
111 .rxclk_delay_en = true,
112 .txclk_delay_sel = AR8327_CLK_DELAY_SEL3,
113 .rxclk_delay_sel = AR8327_CLK_DELAY_SEL0,
116 static struct ar8327_pad_cfg rb2011_ar8327_pad6_cfg;
117 static struct ar8327_sgmii_cfg rb2011_ar8327_sgmii_cfg;
119 static struct ar8327_led_cfg rb2011_ar8327_led_cfg = {
120 .led_ctrl0 = 0x0000c731,
121 .led_ctrl1 = 0x00000000,
122 .led_ctrl2 = 0x00000000,
123 .led_ctrl3 = 0x0030c300,
127 static struct ar8327_platform_data rb2011_ar8327_data = {
128 .pad0_cfg = &rb2011_ar8327_pad0_cfg,
131 .speed = AR8327_PORT_SPEED_1000,
136 .led_cfg = &rb2011_ar8327_led_cfg,
139 static struct mdio_board_info rb2011_mdio0_info[] = {
141 .bus_id = "ag71xx-mdio.0",
143 .platform_data = &rb2011_ar8327_data,
147 static void __init rb2011_wlan_init(void)
150 u8 wlan_mac[ETH_ALEN];
152 art_buf = rb_get_wlan_data();
156 ath79_init_mac(wlan_mac, ath79_mac_base, 11);
157 ath79_register_wmac(art_buf + 0x1000, wlan_mac);
162 static void rb2011_nand_select_chip(int chip_no)
166 gpio_set_value(RB2011_GPIO_NAND_NCE, 0);
169 gpio_set_value(RB2011_GPIO_NAND_NCE, 1);
175 static struct nand_ecclayout rb2011_nand_ecclayout = {
177 .eccpos = { 8, 9, 10, 13, 14, 15 },
179 .oobfree = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } }
182 static int rb2011_nand_scan_fixup(struct mtd_info *mtd)
184 struct nand_chip *chip = mtd->priv;
186 if (mtd->writesize == 512) {
188 * Use the OLD Yaffs-1 OOB layout, otherwise RouterBoot
189 * will not be able to find the kernel that we load.
191 chip->ecc.layout = &rb2011_nand_ecclayout;
197 static void __init rb2011_nand_init(void)
199 gpio_request_one(RB2011_GPIO_NAND_NCE, GPIOF_OUT_INIT_HIGH, "NAND nCE");
201 ath79_nfc_set_scan_fixup(rb2011_nand_scan_fixup);
202 ath79_nfc_set_parts(rb2011_nand_partitions,
203 ARRAY_SIZE(rb2011_nand_partitions));
204 ath79_nfc_set_select_chip(rb2011_nand_select_chip);
205 ath79_nfc_set_swap_dma(true);
206 ath79_register_nfc();
209 static int rb2011_get_port_link(unsigned port)
214 /* The Loss of signal line is active low */
215 return !gpio_get_value(RB2011_GPIO_SFP_LOS);
218 static void __init rb2011_sfp_init(void)
220 gpio_request_one(RB2011_GPIO_SFP_LOS, GPIOF_IN, "SFP LOS");
222 rb2011_ar8327_pad6_cfg.mode = AR8327_PAD_MAC_SGMII;
224 rb2011_ar8327_data.pad6_cfg = &rb2011_ar8327_pad6_cfg;
226 rb2011_ar8327_sgmii_cfg.sgmii_ctrl = 0xc70167d0;
227 rb2011_ar8327_sgmii_cfg.serdes_aen = true;
229 rb2011_ar8327_data.sgmii_cfg = &rb2011_ar8327_sgmii_cfg;
231 rb2011_ar8327_data.port6_cfg.force_link = 1;
232 rb2011_ar8327_data.port6_cfg.speed = AR8327_PORT_SPEED_1000;
233 rb2011_ar8327_data.port6_cfg.duplex = 1;
235 rb2011_ar8327_data.get_port_link = rb2011_get_port_link;
238 static int __init rb2011_setup(u32 flags)
240 const struct rb_info *info;
243 info = rb_init_info((void *) KSEG1ADDR(0x1f000000), 0x10000);
247 scnprintf(buf, sizeof(buf), "Mikrotik RouterBOARD %s",
248 (info->board_name) ? info->board_name : "");
249 mips_set_machine_name(buf);
251 rb2011_init_partitions(info);
253 ath79_register_m25p80(&rb2011_spi_flash_data);
256 ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0 |
257 AR934X_ETH_CFG_SW_ONLY_MODE);
259 ath79_register_mdio(1, 0x0);
260 ath79_register_mdio(0, 0x0);
262 mdiobus_register_board_info(rb2011_mdio0_info,
263 ARRAY_SIZE(rb2011_mdio0_info));
265 /* GMAC0 is connected to an ar8327 switch */
266 ath79_init_mac(ath79_eth0_data.mac_addr, ath79_mac_base, 0);
267 ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
268 ath79_eth0_data.phy_mask = BIT(0);
269 ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
270 ath79_eth0_pll_data.pll_1000 = 0x06000000;
272 ath79_register_eth(0);
274 /* GMAC1 is connected to the internal switch */
275 ath79_init_mac(ath79_eth1_data.mac_addr, ath79_mac_base, 5);
276 ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
277 ath79_eth1_data.speed = SPEED_1000;
278 ath79_eth1_data.duplex = DUPLEX_FULL;
280 ath79_register_eth(1);
282 if (flags & RB2011_FLAG_SFP)
285 if (flags & RB2011_FLAG_WLAN)
288 if (flags & RB2011_FLAG_USB)
289 ath79_register_usb();
294 static void __init rb2011l_setup(void)
299 MIPS_MACHINE_NONAME(ATH79_MACH_RB_2011L, "2011L", rb2011l_setup);
301 static void __init rb2011us_setup(void)
303 rb2011_setup(RB2011_FLAG_SFP | RB2011_FLAG_USB);
306 MIPS_MACHINE_NONAME(ATH79_MACH_RB_2011US, "2011US", rb2011us_setup);
308 static void __init rb2011g_setup(void)
310 rb2011_setup(RB2011_FLAG_SFP |
315 MIPS_MACHINE_NONAME(ATH79_MACH_RB_2011G, "2011G", rb2011g_setup);