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 static struct mtd_partition rb2011_spi_partitions[] = {
55 .offset = RB_ROUTERBOOT_OFFSET,
56 .mask_flags = MTD_WRITEABLE,
58 .name = "hard_config",
59 .size = RB_HARD_CFG_SIZE,
60 .mask_flags = MTD_WRITEABLE,
63 .offset = RB_BIOS_OFFSET,
65 .mask_flags = MTD_WRITEABLE,
67 .name = "soft_config",
68 .size = RB_SOFT_CFG_SIZE,
72 static void __init rb2011_init_partitions(const struct rb_info *info)
74 rb2011_spi_partitions[0].size = info->hard_cfg_offs;
75 rb2011_spi_partitions[1].offset = info->hard_cfg_offs;
76 rb2011_spi_partitions[3].offset = info->soft_cfg_offs;
79 static struct mtd_partition rb2011_nand_partitions[] = {
84 .mask_flags = MTD_WRITEABLE,
88 .offset = (256 * 1024),
89 .size = (4 * 1024 * 1024) - (256 * 1024),
93 .offset = MTDPART_OFS_NXTBLK,
94 .size = MTDPART_SIZ_FULL,
98 static struct flash_platform_data rb2011_spi_flash_data = {
99 .parts = rb2011_spi_partitions,
100 .nr_parts = ARRAY_SIZE(rb2011_spi_partitions),
103 static struct ar8327_pad_cfg rb2011_ar8327_pad0_cfg = {
104 .mode = AR8327_PAD_MAC_RGMII,
105 .txclk_delay_en = true,
106 .rxclk_delay_en = true,
107 .txclk_delay_sel = AR8327_CLK_DELAY_SEL3,
108 .rxclk_delay_sel = AR8327_CLK_DELAY_SEL0,
111 static struct ar8327_pad_cfg rb2011_ar8327_pad6_cfg;
112 static struct ar8327_sgmii_cfg rb2011_ar8327_sgmii_cfg;
114 static struct ar8327_led_cfg rb2011_ar8327_led_cfg = {
115 .led_ctrl0 = 0x0000c731,
116 .led_ctrl1 = 0x00000000,
117 .led_ctrl2 = 0x00000000,
118 .led_ctrl3 = 0x0030c300,
122 static struct ar8327_platform_data rb2011_ar8327_data = {
123 .pad0_cfg = &rb2011_ar8327_pad0_cfg,
126 .speed = AR8327_PORT_SPEED_1000,
131 .led_cfg = &rb2011_ar8327_led_cfg,
134 static struct mdio_board_info rb2011_mdio0_info[] = {
136 .bus_id = "ag71xx-mdio.0",
138 .platform_data = &rb2011_ar8327_data,
142 static void __init rb2011_wlan_init(void)
145 u8 wlan_mac[ETH_ALEN];
147 art_buf = rb_get_wlan_data();
151 ath79_init_mac(wlan_mac, ath79_mac_base, 11);
152 ath79_register_wmac(art_buf + 0x1000, wlan_mac);
157 static void rb2011_nand_select_chip(int chip_no)
161 gpio_set_value(RB2011_GPIO_NAND_NCE, 0);
164 gpio_set_value(RB2011_GPIO_NAND_NCE, 1);
170 static struct nand_ecclayout rb2011_nand_ecclayout = {
172 .eccpos = { 8, 9, 10, 13, 14, 15 },
174 .oobfree = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } }
177 static int rb2011_nand_scan_fixup(struct mtd_info *mtd)
179 struct nand_chip *chip = mtd->priv;
181 if (mtd->writesize == 512) {
183 * Use the OLD Yaffs-1 OOB layout, otherwise RouterBoot
184 * will not be able to find the kernel that we load.
186 chip->ecc.layout = &rb2011_nand_ecclayout;
192 static void __init rb2011_nand_init(void)
194 gpio_request_one(RB2011_GPIO_NAND_NCE, GPIOF_OUT_INIT_HIGH, "NAND nCE");
196 ath79_nfc_set_scan_fixup(rb2011_nand_scan_fixup);
197 ath79_nfc_set_parts(rb2011_nand_partitions,
198 ARRAY_SIZE(rb2011_nand_partitions));
199 ath79_nfc_set_select_chip(rb2011_nand_select_chip);
200 ath79_nfc_set_swap_dma(true);
201 ath79_register_nfc();
204 static int rb2011_get_port_link(unsigned port)
209 /* The Loss of signal line is active low */
210 return !gpio_get_value(RB2011_GPIO_SFP_LOS);
213 static void __init rb2011_sfp_init(void)
215 gpio_request_one(RB2011_GPIO_SFP_LOS, GPIOF_IN, "SFP LOS");
217 rb2011_ar8327_pad6_cfg.mode = AR8327_PAD_MAC_SGMII;
219 rb2011_ar8327_data.pad6_cfg = &rb2011_ar8327_pad6_cfg;
221 rb2011_ar8327_sgmii_cfg.sgmii_ctrl = 0xc70167d0;
222 rb2011_ar8327_sgmii_cfg.serdes_aen = true;
224 rb2011_ar8327_data.sgmii_cfg = &rb2011_ar8327_sgmii_cfg;
226 rb2011_ar8327_data.port6_cfg.force_link = 1;
227 rb2011_ar8327_data.port6_cfg.speed = AR8327_PORT_SPEED_1000;
228 rb2011_ar8327_data.port6_cfg.duplex = 1;
230 rb2011_ar8327_data.get_port_link = rb2011_get_port_link;
233 static int __init rb2011_setup(void)
235 const struct rb_info *info;
237 info = rb_init_info((void *) KSEG1ADDR(0x1f000000), 0x10000);
241 rb2011_init_partitions(info);
243 ath79_register_m25p80(&rb2011_spi_flash_data);
246 ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0 |
247 AR934X_ETH_CFG_SW_ONLY_MODE);
249 ath79_register_mdio(1, 0x0);
250 ath79_register_mdio(0, 0x0);
252 mdiobus_register_board_info(rb2011_mdio0_info,
253 ARRAY_SIZE(rb2011_mdio0_info));
255 /* GMAC0 is connected to an ar8327 switch */
256 ath79_init_mac(ath79_eth0_data.mac_addr, ath79_mac_base, 0);
257 ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
258 ath79_eth0_data.phy_mask = BIT(0);
259 ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
260 ath79_eth0_pll_data.pll_1000 = 0x06000000;
262 ath79_register_eth(0);
264 /* GMAC1 is connected to the internal switch */
265 ath79_init_mac(ath79_eth1_data.mac_addr, ath79_mac_base, 5);
266 ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
267 ath79_eth1_data.speed = SPEED_1000;
268 ath79_eth1_data.duplex = DUPLEX_FULL;
270 ath79_register_eth(1);
275 static void __init rb2011l_setup(void)
281 MIPS_MACHINE(ATH79_MACH_RB_2011L, "2011L", "MikroTik RouterBOARD 2011L",
284 static void __init rb2011us_setup(void)
291 ath79_register_usb();
294 MIPS_MACHINE(ATH79_MACH_RB_2011US, "2011US", "MikroTik RouterBOARD 2011UAS",
297 static void __init rb2011g_setup(void)
305 ath79_register_usb();
308 MIPS_MACHINE(ATH79_MACH_RB_2011G, "2011G", "MikroTik RouterBOARD 2011UAS-2HnD",