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/rle.h>
25 #include <linux/routerboot.h>
26 #include <linux/gpio.h>
28 #include <asm/mach-ath79/ath79.h>
29 #include <asm/mach-ath79/ar71xx_regs.h>
33 #include "dev-m25p80.h"
36 #include "machtypes.h"
37 #include "routerboot.h"
39 #define RB2011_GPIO_NAND_NCE 14
41 #define RB_ROUTERBOOT_OFFSET 0x0000
42 #define RB_ROUTERBOOT_SIZE 0xb000
43 #define RB_HARD_CFG_OFFSET 0xb000
44 #define RB_HARD_CFG_SIZE 0x1000
45 #define RB_BIOS_OFFSET 0xd000
46 #define RB_BIOS_SIZE 0x2000
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 .size = RB_ROUTERBOOT_SIZE,
57 .mask_flags = MTD_WRITEABLE,
59 .name = "hard_config",
60 .offset = RB_HARD_CFG_OFFSET,
61 .size = RB_HARD_CFG_SIZE,
62 .mask_flags = MTD_WRITEABLE,
65 .offset = RB_BIOS_OFFSET,
67 .mask_flags = MTD_WRITEABLE,
69 .name = "soft_config",
70 .offset = RB_SOFT_CFG_OFFSET,
71 .size = RB_SOFT_CFG_SIZE,
75 static struct mtd_partition rb2011_nand_partitions[] = {
80 .mask_flags = MTD_WRITEABLE,
84 .offset = (256 * 1024),
85 .size = (4 * 1024 * 1024) - (256 * 1024),
89 .offset = MTDPART_OFS_NXTBLK,
90 .size = MTDPART_SIZ_FULL,
94 static struct flash_platform_data rb2011_spi_flash_data = {
95 .parts = rb2011_spi_partitions,
96 .nr_parts = ARRAY_SIZE(rb2011_spi_partitions),
99 static struct ar8327_pad_cfg rb2011_ar8327_pad0_cfg = {
100 .mode = AR8327_PAD_MAC_RGMII,
101 .txclk_delay_en = true,
102 .rxclk_delay_en = true,
103 .txclk_delay_sel = AR8327_CLK_DELAY_SEL1,
104 .rxclk_delay_sel = AR8327_CLK_DELAY_SEL2,
107 static struct ar8327_platform_data rb2011_ar8327_data = {
108 .pad0_cfg = &rb2011_ar8327_pad0_cfg,
111 .speed = AR8327_PORT_SPEED_1000,
118 static struct mdio_board_info rb2011_mdio0_info[] = {
120 .bus_id = "ag71xx-mdio.0",
122 .platform_data = &rb2011_ar8327_data,
126 static void __init rb2011_gmac_setup(void)
131 base = ioremap(AR934X_GMAC_BASE, AR934X_GMAC_SIZE);
133 t = __raw_readl(base + AR934X_GMAC_REG_ETH_CFG);
134 t &= ~(AR934X_ETH_CFG_RGMII_GMAC0 | AR934X_ETH_CFG_MII_GMAC0 |
135 AR934X_ETH_CFG_GMII_GMAC0 | AR934X_ETH_CFG_SW_ONLY_MODE);
136 t |= AR934X_ETH_CFG_RGMII_GMAC0 | AR934X_ETH_CFG_SW_ONLY_MODE;
138 __raw_writel(t, base + AR934X_GMAC_REG_ETH_CFG);
143 static void __init rb2011_wlan_init(void)
145 u8 *hard_cfg = (u8 *) KSEG1ADDR(0x1f000000 + RB_HARD_CFG_OFFSET);
149 u8 wlan_mac[ETH_ALEN];
152 err = routerboot_find_tag(hard_cfg, RB_HARD_CFG_SIZE, RB_ID_WLAN_DATA,
155 pr_err("no calibration data found\n");
159 art_buf = kmalloc(RB_ART_SIZE, GFP_KERNEL);
160 if (art_buf == NULL) {
161 pr_err("no memory for calibration data\n");
165 err = rle_decode((char *) tag, tag_len, art_buf, RB_ART_SIZE,
168 pr_err("unable to decode calibration data\n");
172 ath79_init_mac(wlan_mac, ath79_mac_base, 11);
173 ath79_register_wmac(art_buf + 0x1000, wlan_mac);
179 static void rb2011_nand_select_chip(int chip_no)
183 gpio_set_value(RB2011_GPIO_NAND_NCE, 0);
186 gpio_set_value(RB2011_GPIO_NAND_NCE, 1);
192 static struct nand_ecclayout rb2011_nand_ecclayout = {
194 .eccpos = { 8, 9, 10, 13, 14, 15 },
196 .oobfree = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } }
199 static int rb2011_nand_scan_fixup(struct mtd_info *mtd)
201 struct nand_chip *chip = mtd->priv;
203 if (mtd->writesize == 512) {
205 * Use the OLD Yaffs-1 OOB layout, otherwise RouterBoot
206 * will not be able to find the kernel that we load.
208 chip->ecc.layout = &rb2011_nand_ecclayout;
214 static void __init rb2011_nand_init(void)
216 ath79_nfc_set_scan_fixup(rb2011_nand_scan_fixup);
217 ath79_nfc_set_parts(rb2011_nand_partitions,
218 ARRAY_SIZE(rb2011_nand_partitions));
219 ath79_nfc_set_select_chip(rb2011_nand_select_chip);
220 ath79_register_nfc();
223 static void __init rb2011_gpio_init(void)
225 gpio_request_one(RB2011_GPIO_NAND_NCE, GPIOF_OUT_INIT_HIGH, "NAND nCE");
228 static void __init rb2011_setup(void)
232 ath79_register_m25p80(&rb2011_spi_flash_data);
237 ath79_register_mdio(1, 0x0);
238 ath79_register_mdio(0, 0x0);
240 mdiobus_register_board_info(rb2011_mdio0_info,
241 ARRAY_SIZE(rb2011_mdio0_info));
243 /* GMAC0 is connected to an ar8327 switch */
244 ath79_init_mac(ath79_eth0_data.mac_addr, ath79_mac_base, 0);
245 ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
246 ath79_eth0_data.phy_mask = BIT(0);
247 ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
248 ath79_eth0_pll_data.pll_1000 = 0x06000000;
250 ath79_register_eth(0);
252 /* GMAC1 is connected to the internal switch */
253 ath79_init_mac(ath79_eth1_data.mac_addr, ath79_mac_base, 5);
254 ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
255 ath79_eth1_data.speed = SPEED_1000;
256 ath79_eth1_data.duplex = DUPLEX_FULL;
258 ath79_register_eth(1);
261 MIPS_MACHINE(ATH79_MACH_RB_2011L, "2011L", "MikroTik RouterBOARD 2011L",
264 static void __init rb2011g_setup(void)
270 MIPS_MACHINE(ATH79_MACH_RB_2011G, "2011G", "MikroTik RouterBOARD 2011UAS-2HnD",