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>
27 #include <asm/mach-ath79/ath79.h>
28 #include <asm/mach-ath79/ar71xx_regs.h>
32 #include "dev-m25p80.h"
36 #include "machtypes.h"
37 #include "routerboot.h"
39 #define RB2011_GPIO_NAND_NCE 14
40 #define RB2011_GPIO_SFP_LOS 21
42 #define RB_ROUTERBOOT_OFFSET 0x0000
43 #define RB_ROUTERBOOT_MIN_SIZE 0xb000
44 #define RB_HARD_CFG_SIZE 0x1000
45 #define RB_BIOS_OFFSET 0xd000
46 #define RB_BIOS_SIZE 0x1000
47 #define RB_SOFT_CFG_OFFSET 0xf000
48 #define RB_SOFT_CFG_SIZE 0x1000
50 #define RB_ART_SIZE 0x10000
52 #define RB2011_FLAG_SFP BIT(0)
53 #define RB2011_FLAG_USB BIT(1)
54 #define RB2011_FLAG_WLAN BIT(2)
56 static struct mtd_partition rb2011_spi_partitions[] = {
59 .offset = RB_ROUTERBOOT_OFFSET,
60 .mask_flags = MTD_WRITEABLE,
62 .name = "hard_config",
63 .size = RB_HARD_CFG_SIZE,
64 .mask_flags = MTD_WRITEABLE,
67 .offset = RB_BIOS_OFFSET,
69 .mask_flags = MTD_WRITEABLE,
71 .name = "soft_config",
72 .size = RB_SOFT_CFG_SIZE,
76 static void __init rb2011_init_partitions(const struct rb_info *info)
78 rb2011_spi_partitions[0].size = info->hard_cfg_offs;
79 rb2011_spi_partitions[1].offset = info->hard_cfg_offs;
80 rb2011_spi_partitions[3].offset = info->soft_cfg_offs;
83 static struct mtd_partition rb2011_nand_partitions[] = {
88 .mask_flags = MTD_WRITEABLE,
92 .offset = (256 * 1024),
93 .size = (4 * 1024 * 1024) - (256 * 1024),
97 .offset = MTDPART_OFS_NXTBLK,
98 .size = MTDPART_SIZ_FULL,
102 static struct flash_platform_data rb2011_spi_flash_data = {
103 .parts = rb2011_spi_partitions,
104 .nr_parts = ARRAY_SIZE(rb2011_spi_partitions),
107 static struct ar8327_pad_cfg rb2011_ar8327_pad0_cfg = {
108 .mode = AR8327_PAD_MAC_RGMII,
109 .txclk_delay_en = true,
110 .rxclk_delay_en = true,
111 .txclk_delay_sel = AR8327_CLK_DELAY_SEL3,
112 .rxclk_delay_sel = AR8327_CLK_DELAY_SEL0,
115 static struct ar8327_pad_cfg rb2011_ar8327_pad6_cfg;
116 static struct ar8327_sgmii_cfg rb2011_ar8327_sgmii_cfg;
118 static struct ar8327_led_cfg rb2011_ar8327_led_cfg = {
119 .led_ctrl0 = 0x0000c731,
120 .led_ctrl1 = 0x00000000,
121 .led_ctrl2 = 0x00000000,
122 .led_ctrl3 = 0x0030c300,
126 static struct ar8327_platform_data rb2011_ar8327_data = {
127 .pad0_cfg = &rb2011_ar8327_pad0_cfg,
130 .speed = AR8327_PORT_SPEED_1000,
135 .led_cfg = &rb2011_ar8327_led_cfg,
138 static struct mdio_board_info rb2011_mdio0_info[] = {
140 .bus_id = "ag71xx-mdio.0",
142 .platform_data = &rb2011_ar8327_data,
146 static void __init rb2011_wlan_init(void)
149 u8 wlan_mac[ETH_ALEN];
151 art_buf = rb_get_wlan_data();
155 ath79_init_mac(wlan_mac, ath79_mac_base, 11);
156 ath79_register_wmac(art_buf + 0x1000, wlan_mac);
161 static void rb2011_nand_select_chip(int chip_no)
165 gpio_set_value(RB2011_GPIO_NAND_NCE, 0);
168 gpio_set_value(RB2011_GPIO_NAND_NCE, 1);
174 static struct nand_ecclayout rb2011_nand_ecclayout = {
176 .eccpos = { 8, 9, 10, 13, 14, 15 },
178 .oobfree = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } }
181 static int rb2011_nand_scan_fixup(struct mtd_info *mtd)
183 struct nand_chip *chip = mtd->priv;
185 if (mtd->writesize == 512) {
187 * Use the OLD Yaffs-1 OOB layout, otherwise RouterBoot
188 * will not be able to find the kernel that we load.
190 chip->ecc.layout = &rb2011_nand_ecclayout;
196 static void __init rb2011_nand_init(void)
198 gpio_request_one(RB2011_GPIO_NAND_NCE, GPIOF_OUT_INIT_HIGH, "NAND nCE");
200 ath79_nfc_set_scan_fixup(rb2011_nand_scan_fixup);
201 ath79_nfc_set_parts(rb2011_nand_partitions,
202 ARRAY_SIZE(rb2011_nand_partitions));
203 ath79_nfc_set_select_chip(rb2011_nand_select_chip);
204 ath79_nfc_set_swap_dma(true);
205 ath79_register_nfc();
208 static int rb2011_get_port_link(unsigned port)
213 /* The Loss of signal line is active low */
214 return !gpio_get_value(RB2011_GPIO_SFP_LOS);
217 static void __init rb2011_sfp_init(void)
219 gpio_request_one(RB2011_GPIO_SFP_LOS, GPIOF_IN, "SFP LOS");
221 rb2011_ar8327_pad6_cfg.mode = AR8327_PAD_MAC_SGMII;
223 rb2011_ar8327_data.pad6_cfg = &rb2011_ar8327_pad6_cfg;
225 rb2011_ar8327_sgmii_cfg.sgmii_ctrl = 0xc70167d0;
226 rb2011_ar8327_sgmii_cfg.serdes_aen = true;
228 rb2011_ar8327_data.sgmii_cfg = &rb2011_ar8327_sgmii_cfg;
230 rb2011_ar8327_data.port6_cfg.force_link = 1;
231 rb2011_ar8327_data.port6_cfg.speed = AR8327_PORT_SPEED_1000;
232 rb2011_ar8327_data.port6_cfg.duplex = 1;
234 rb2011_ar8327_data.get_port_link = rb2011_get_port_link;
237 static int __init rb2011_setup(u32 flags)
239 const struct rb_info *info;
241 info = rb_init_info((void *) KSEG1ADDR(0x1f000000), 0x10000);
245 rb2011_init_partitions(info);
247 ath79_register_m25p80(&rb2011_spi_flash_data);
250 ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0 |
251 AR934X_ETH_CFG_SW_ONLY_MODE);
253 ath79_register_mdio(1, 0x0);
254 ath79_register_mdio(0, 0x0);
256 mdiobus_register_board_info(rb2011_mdio0_info,
257 ARRAY_SIZE(rb2011_mdio0_info));
259 /* GMAC0 is connected to an ar8327 switch */
260 ath79_init_mac(ath79_eth0_data.mac_addr, ath79_mac_base, 0);
261 ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
262 ath79_eth0_data.phy_mask = BIT(0);
263 ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
264 ath79_eth0_pll_data.pll_1000 = 0x06000000;
266 ath79_register_eth(0);
268 /* GMAC1 is connected to the internal switch */
269 ath79_init_mac(ath79_eth1_data.mac_addr, ath79_mac_base, 5);
270 ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
271 ath79_eth1_data.speed = SPEED_1000;
272 ath79_eth1_data.duplex = DUPLEX_FULL;
274 ath79_register_eth(1);
276 if (flags & RB2011_FLAG_SFP)
279 if (flags & RB2011_FLAG_WLAN)
282 if (flags & RB2011_FLAG_USB)
283 ath79_register_usb();
288 static void __init rb2011l_setup(void)
293 MIPS_MACHINE(ATH79_MACH_RB_2011L, "2011L", "MikroTik RouterBOARD 2011L",
296 static void __init rb2011us_setup(void)
298 rb2011_setup(RB2011_FLAG_SFP | RB2011_FLAG_USB);
301 MIPS_MACHINE(ATH79_MACH_RB_2011US, "2011US", "MikroTik RouterBOARD 2011UAS",
304 static void __init rb2011g_setup(void)
306 rb2011_setup(RB2011_FLAG_SFP |
311 MIPS_MACHINE(ATH79_MACH_RB_2011G, "2011G", "MikroTik RouterBOARD 2011UAS-2HnD",