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 #if LINUX_VERSION_CODE < KERNEL_VERSION(4,14,0)
22 #include <linux/mtd/nand.h>
24 #include <linux/mtd/rawnand.h>
26 #include <linux/mtd/partitions.h>
27 #include <linux/spi/spi.h>
28 #include <linux/spi/flash.h>
29 #include <linux/routerboot.h>
30 #include <linux/gpio.h>
31 #include <linux/version.h>
33 #include <asm/mach-ath79/ath79.h>
34 #include <asm/mach-ath79/ar71xx_regs.h>
38 #include "dev-m25p80.h"
42 #include "machtypes.h"
43 #include "routerboot.h"
44 #include "dev-leds-gpio.h"
46 #define RB95X_GPIO_NAND_NCE 14
48 static struct mtd_partition rb95x_nand_partitions
[] = {
53 .mask_flags
= MTD_WRITEABLE
,
57 .offset
= (256 * 1024),
58 .size
= (4 * 1024 * 1024) - (256 * 1024),
62 .offset
= MTDPART_OFS_NXTBLK
,
63 .size
= MTDPART_SIZ_FULL
,
67 static struct gpio_led rb951ui_leds_gpio
[] __initdata
= {
69 .name
= "rb:green:wlan",
73 .name
= "rb:green:act",
77 .name
= "rb:green:port1",
81 .name
= "rb:green:port2",
85 .name
= "rb:green:port3",
89 .name
= "rb:green:port4",
93 .name
= "rb:green:port5",
99 static struct ar8327_pad_cfg rb95x_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 rb95x_ar8327_data
= {
108 .pad0_cfg
= &rb95x_ar8327_pad0_cfg
,
111 .speed
= AR8327_PORT_SPEED_1000
,
118 static struct mdio_board_info rb95x_mdio0_info
[] = {
120 .bus_id
= "ag71xx-mdio.0",
122 .platform_data
= &rb95x_ar8327_data
,
126 void __init
rb95x_wlan_init(void)
129 u8 wlan_mac
[ETH_ALEN
];
131 art_buf
= rb_get_wlan_data();
135 ath79_init_mac(wlan_mac
, ath79_mac_base
, 11);
136 ath79_register_wmac(art_buf
+ 0x1000, wlan_mac
);
141 static void rb95x_nand_select_chip(int chip_no
)
145 gpio_set_value(RB95X_GPIO_NAND_NCE
, 0);
148 gpio_set_value(RB95X_GPIO_NAND_NCE
, 1);
154 #if LINUX_VERSION_CODE < KERNEL_VERSION(4,6,0)
155 static struct nand_ecclayout rb95x_nand_ecclayout
= {
157 .eccpos
= { 8, 9, 10, 13, 14, 15 },
159 .oobfree
= { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } }
164 static int rb95x_ooblayout_ecc(struct mtd_info
*mtd
, int section
,
165 struct mtd_oob_region
*oobregion
)
169 oobregion
->offset
= 8;
170 oobregion
->length
= 3;
173 oobregion
->offset
= 13;
174 oobregion
->length
= 3;
181 static int rb95x_ooblayout_free(struct mtd_info
*mtd
, int section
,
182 struct mtd_oob_region
*oobregion
)
186 oobregion
->offset
= 0;
187 oobregion
->length
= 4;
190 oobregion
->offset
= 4;
191 oobregion
->length
= 1;
194 oobregion
->offset
= 6;
195 oobregion
->length
= 2;
198 oobregion
->offset
= 11;
199 oobregion
->length
= 2;
206 static const struct mtd_ooblayout_ops rb95x_nand_ecclayout_ops
= {
207 .ecc
= rb95x_ooblayout_ecc
,
208 .free
= rb95x_ooblayout_free
,
212 static int rb95x_nand_scan_fixup(struct mtd_info
*mtd
)
214 #if LINUX_VERSION_CODE < KERNEL_VERSION(4,6,0)
215 struct nand_chip
*chip
= mtd
->priv
;
217 struct nand_chip
*chip
= mtd_to_nand(mtd
);
220 if (mtd
->writesize
== 512) {
222 * Use the OLD Yaffs-1 OOB layout, otherwise RouterBoot
223 * will not be able to find the kernel that we load.
225 #if LINUX_VERSION_CODE < KERNEL_VERSION(4,6,0)
226 chip
->ecc
.layout
= &rb95x_nand_ecclayout
;
228 mtd_set_ooblayout(mtd
, &rb95x_nand_ecclayout_ops
);
232 chip
->options
= NAND_NO_SUBPAGE_WRITE
;
237 void __init
rb95x_nand_init(void)
239 gpio_request_one(RB95X_GPIO_NAND_NCE
, GPIOF_OUT_INIT_HIGH
, "NAND nCE");
241 ath79_nfc_set_scan_fixup(rb95x_nand_scan_fixup
);
242 ath79_nfc_set_parts(rb95x_nand_partitions
,
243 ARRAY_SIZE(rb95x_nand_partitions
));
244 ath79_nfc_set_select_chip(rb95x_nand_select_chip
);
245 ath79_nfc_set_swap_dma(true);
246 ath79_register_nfc();
249 static int __init
rb95x_setup(void)
251 const struct rb_info
*info
;
253 info
= rb_init_info((void *)(KSEG1ADDR(AR71XX_SPI_BASE
)), 0x10000);
262 static void __init
rb951g_setup(void)
267 ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0
|
268 AR934X_ETH_CFG_SW_ONLY_MODE
);
270 ath79_register_mdio(0, 0x0);
272 mdiobus_register_board_info(rb95x_mdio0_info
,
273 ARRAY_SIZE(rb95x_mdio0_info
));
275 ath79_init_mac(ath79_eth0_data
.mac_addr
, ath79_mac_base
, 0);
276 ath79_eth0_data
.phy_if_mode
= PHY_INTERFACE_MODE_RGMII
;
277 ath79_eth0_data
.phy_mask
= BIT(0);
279 ath79_register_eth(0);
282 ath79_register_usb();
285 MIPS_MACHINE(ATH79_MACH_RB_951G
, "951G", "MikroTik RouterBOARD 951G-2HnD",
288 static void __init
rb951ui_setup(void)
293 ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_SW_ONLY_MODE
);
295 ath79_register_mdio(1, 0x0);
297 ath79_init_mac(ath79_eth0_data
.mac_addr
, ath79_mac_base
, 0);
298 ath79_init_mac(ath79_eth1_data
.mac_addr
, ath79_mac_base
, 1);
300 ath79_switch_data
.phy4_mii_en
= 1;
301 ath79_switch_data
.phy_poll_mask
= BIT(4);
302 ath79_eth0_data
.phy_if_mode
= PHY_INTERFACE_MODE_MII
;
303 ath79_eth0_data
.phy_mask
= BIT(4);
304 ath79_eth0_data
.mii_bus_dev
= &ath79_mdio1_device
.dev
;
305 ath79_register_eth(0);
307 ath79_eth1_data
.phy_if_mode
= PHY_INTERFACE_MODE_GMII
;
308 ath79_register_eth(1);
310 gpio_request_one(20, GPIOF_OUT_INIT_HIGH
| GPIOF_EXPORT_DIR_FIXED
,
313 gpio_request_one(2, GPIOF_OUT_INIT_HIGH
| GPIOF_EXPORT_DIR_FIXED
,
317 ath79_register_usb();
319 ath79_register_leds_gpio(-1, ARRAY_SIZE(rb951ui_leds_gpio
),
323 MIPS_MACHINE(ATH79_MACH_RB_951U
, "951HnD", "MikroTik RouterBOARD 951Ui-2HnD",