2 * MikroTik RouterBOARD 95X support
4 * Copyright (C) 2012 Stijn Tintel <stijn@linux-ipv6.be>
5 * Copyright (C) 2012 Gabor Juhos <juhosg@openwrt.org>
6 * Copyright (C) 2013 Kamil Trzcinski <ayufan@ayufan.eu>
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License version 2 as published
10 * by the Free Software Foundation.
13 #define pr_fmt(fmt) "rb95x: " fmt
15 #include <linux/phy.h>
16 #include <linux/delay.h>
17 #include <linux/platform_device.h>
18 #include <linux/ath9k_platform.h>
19 #include <linux/ar8216_platform.h>
20 #include <linux/mtd/mtd.h>
21 #include <linux/mtd/nand.h>
22 #include <linux/mtd/partitions.h>
23 #include <linux/spi/spi.h>
24 #include <linux/spi/flash.h>
25 #include <linux/routerboot.h>
26 #include <linux/gpio.h>
27 #include <linux/version.h>
29 #include <asm/mach-ath79/ath79.h>
30 #include <asm/mach-ath79/ar71xx_regs.h>
34 #include "dev-m25p80.h"
38 #include "machtypes.h"
39 #include "routerboot.h"
40 #include "dev-leds-gpio.h"
42 #define RB95X_GPIO_NAND_NCE 14
44 static struct mtd_partition rb95x_nand_partitions
[] = {
49 .mask_flags
= MTD_WRITEABLE
,
53 .offset
= (256 * 1024),
54 .size
= (4 * 1024 * 1024) - (256 * 1024),
58 .offset
= MTDPART_OFS_NXTBLK
,
59 .size
= MTDPART_SIZ_FULL
,
63 static struct gpio_led rb951ui_leds_gpio
[] __initdata
= {
65 .name
= "rb:green:wlan",
69 .name
= "rb:green:act",
73 .name
= "rb:green:port1",
77 .name
= "rb:green:port2",
81 .name
= "rb:green:port3",
85 .name
= "rb:green:port4",
89 .name
= "rb:green:port5",
95 static struct ar8327_pad_cfg rb95x_ar8327_pad0_cfg
= {
96 .mode
= AR8327_PAD_MAC_RGMII
,
97 .txclk_delay_en
= true,
98 .rxclk_delay_en
= true,
99 .txclk_delay_sel
= AR8327_CLK_DELAY_SEL1
,
100 .rxclk_delay_sel
= AR8327_CLK_DELAY_SEL2
,
103 static struct ar8327_platform_data rb95x_ar8327_data
= {
104 .pad0_cfg
= &rb95x_ar8327_pad0_cfg
,
107 .speed
= AR8327_PORT_SPEED_1000
,
114 static struct mdio_board_info rb95x_mdio0_info
[] = {
116 .bus_id
= "ag71xx-mdio.0",
118 .platform_data
= &rb95x_ar8327_data
,
122 void __init
rb95x_wlan_init(void)
125 u8 wlan_mac
[ETH_ALEN
];
127 art_buf
= rb_get_wlan_data();
131 ath79_init_mac(wlan_mac
, ath79_mac_base
, 11);
132 ath79_register_wmac(art_buf
+ 0x1000, wlan_mac
);
137 static void rb95x_nand_select_chip(int chip_no
)
141 gpio_set_value(RB95X_GPIO_NAND_NCE
, 0);
144 gpio_set_value(RB95X_GPIO_NAND_NCE
, 1);
150 #if LINUX_VERSION_CODE < KERNEL_VERSION(4,6,0)
151 static struct nand_ecclayout rb95x_nand_ecclayout
= {
153 .eccpos
= { 8, 9, 10, 13, 14, 15 },
155 .oobfree
= { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } }
160 static int rb95x_ooblayout_ecc(struct mtd_info
*mtd
, int section
,
161 struct mtd_oob_region
*oobregion
)
165 oobregion
->offset
= 8;
166 oobregion
->length
= 3;
169 oobregion
->offset
= 13;
170 oobregion
->length
= 3;
177 static int rb95x_ooblayout_free(struct mtd_info
*mtd
, int section
,
178 struct mtd_oob_region
*oobregion
)
182 oobregion
->offset
= 0;
183 oobregion
->length
= 4;
186 oobregion
->offset
= 4;
187 oobregion
->length
= 1;
190 oobregion
->offset
= 6;
191 oobregion
->length
= 2;
194 oobregion
->offset
= 11;
195 oobregion
->length
= 2;
202 static const struct mtd_ooblayout_ops rb95x_nand_ecclayout_ops
= {
203 .ecc
= rb95x_ooblayout_ecc
,
204 .free
= rb95x_ooblayout_free
,
208 static int rb95x_nand_scan_fixup(struct mtd_info
*mtd
)
210 #if LINUX_VERSION_CODE < KERNEL_VERSION(4,6,0)
211 struct nand_chip
*chip
= mtd
->priv
;
213 struct nand_chip
*chip
= mtd_to_nand(mtd
);
216 if (mtd
->writesize
== 512) {
218 * Use the OLD Yaffs-1 OOB layout, otherwise RouterBoot
219 * will not be able to find the kernel that we load.
221 #if LINUX_VERSION_CODE < KERNEL_VERSION(4,6,0)
222 chip
->ecc
.layout
= &rb95x_nand_ecclayout
;
224 mtd_set_ooblayout(mtd
, &rb95x_nand_ecclayout_ops
);
228 chip
->options
= NAND_NO_SUBPAGE_WRITE
;
233 void __init
rb95x_nand_init(void)
235 gpio_request_one(RB95X_GPIO_NAND_NCE
, GPIOF_OUT_INIT_HIGH
, "NAND nCE");
237 ath79_nfc_set_scan_fixup(rb95x_nand_scan_fixup
);
238 ath79_nfc_set_parts(rb95x_nand_partitions
,
239 ARRAY_SIZE(rb95x_nand_partitions
));
240 ath79_nfc_set_select_chip(rb95x_nand_select_chip
);
241 ath79_nfc_set_swap_dma(true);
242 ath79_register_nfc();
245 static int __init
rb95x_setup(void)
247 const struct rb_info
*info
;
249 info
= rb_init_info((void *)(KSEG1ADDR(AR71XX_SPI_BASE
)), 0x10000);
258 static void __init
rb951g_setup(void)
263 ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0
|
264 AR934X_ETH_CFG_SW_ONLY_MODE
);
266 ath79_register_mdio(0, 0x0);
268 mdiobus_register_board_info(rb95x_mdio0_info
,
269 ARRAY_SIZE(rb95x_mdio0_info
));
271 ath79_init_mac(ath79_eth0_data
.mac_addr
, ath79_mac_base
, 0);
272 ath79_eth0_data
.phy_if_mode
= PHY_INTERFACE_MODE_RGMII
;
273 ath79_eth0_data
.phy_mask
= BIT(0);
275 ath79_register_eth(0);
278 ath79_register_usb();
281 MIPS_MACHINE(ATH79_MACH_RB_951G
, "951G", "MikroTik RouterBOARD 951G-2HnD",
284 static void __init
rb951ui_setup(void)
289 ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_SW_ONLY_MODE
);
291 ath79_register_mdio(1, 0x0);
293 ath79_init_mac(ath79_eth0_data
.mac_addr
, ath79_mac_base
, 0);
294 ath79_init_mac(ath79_eth1_data
.mac_addr
, ath79_mac_base
, 1);
296 ath79_switch_data
.phy4_mii_en
= 1;
297 ath79_switch_data
.phy_poll_mask
= BIT(4);
298 ath79_eth0_data
.phy_if_mode
= PHY_INTERFACE_MODE_MII
;
299 ath79_eth0_data
.phy_mask
= BIT(4);
300 ath79_eth0_data
.mii_bus_dev
= &ath79_mdio1_device
.dev
;
301 ath79_register_eth(0);
303 ath79_eth1_data
.phy_if_mode
= PHY_INTERFACE_MODE_GMII
;
304 ath79_register_eth(1);
306 gpio_request_one(20, GPIOF_OUT_INIT_HIGH
| GPIOF_EXPORT_DIR_FIXED
,
309 gpio_request_one(2, GPIOF_OUT_INIT_HIGH
| GPIOF_EXPORT_DIR_FIXED
,
313 ath79_register_usb();
315 ath79_register_leds_gpio(-1, ARRAY_SIZE(rb951ui_leds_gpio
),
319 MIPS_MACHINE(ATH79_MACH_RB_951U
, "951HnD", "MikroTik RouterBOARD 951Ui-2HnD",