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_MIN_SIZE 0xb000
43 #define RB_HARD_CFG_SIZE 0x1000
44 #define RB_BIOS_OFFSET 0xd000
45 #define RB_BIOS_SIZE 0x1000
46 #define RB_SOFT_CFG_OFFSET 0xf000
47 #define RB_SOFT_CFG_SIZE 0x1000
49 #define RB_ART_SIZE 0x10000
51 static struct mtd_partition rb2011_spi_partitions
[] = {
54 .offset
= RB_ROUTERBOOT_OFFSET
,
55 .mask_flags
= MTD_WRITEABLE
,
57 .name
= "hard_config",
58 .size
= RB_HARD_CFG_SIZE
,
59 .mask_flags
= MTD_WRITEABLE
,
62 .offset
= RB_BIOS_OFFSET
,
64 .mask_flags
= MTD_WRITEABLE
,
66 .name
= "soft_config",
67 .size
= RB_SOFT_CFG_SIZE
,
72 static void __init
rb2011_init_partitions(void)
74 u8
*addr
= (u8
*) KSEG1ADDR(0x1f000000);
75 u32 next
= RB_ROUTERBOOT_MIN_SIZE
;
77 if (routerboot_find_magic(addr
, 0x10000, &next
, true))
78 printk(KERN_ERR
"Warning: could not find a valid RouterBOOT hard config\n");
79 rb2011_spi_partitions
[0].size
= next
;
80 rb2011_spi_partitions
[1].offset
= next
;
82 next
= RB_BIOS_OFFSET
+ RB_BIOS_SIZE
;
83 if (routerboot_find_magic(addr
, 0x10000, &next
, false))
84 printk(KERN_ERR
"Warning: could not find a valid RouterBOOT soft config\n");
86 rb2011_spi_partitions
[3].offset
= next
;
90 static struct mtd_partition rb2011_nand_partitions
[] = {
95 .mask_flags
= MTD_WRITEABLE
,
99 .offset
= (256 * 1024),
100 .size
= (4 * 1024 * 1024) - (256 * 1024),
104 .offset
= MTDPART_OFS_NXTBLK
,
105 .size
= MTDPART_SIZ_FULL
,
109 static struct flash_platform_data rb2011_spi_flash_data
= {
110 .parts
= rb2011_spi_partitions
,
111 .nr_parts
= ARRAY_SIZE(rb2011_spi_partitions
),
114 static struct ar8327_pad_cfg rb2011_ar8327_pad0_cfg
= {
115 .mode
= AR8327_PAD_MAC_RGMII
,
116 .txclk_delay_en
= true,
117 .rxclk_delay_en
= true,
118 .txclk_delay_sel
= AR8327_CLK_DELAY_SEL3
,
119 .rxclk_delay_sel
= AR8327_CLK_DELAY_SEL0
,
122 static struct ar8327_platform_data rb2011_ar8327_data
= {
123 .pad0_cfg
= &rb2011_ar8327_pad0_cfg
,
126 .speed
= AR8327_PORT_SPEED_1000
,
133 static struct mdio_board_info rb2011_mdio0_info
[] = {
135 .bus_id
= "ag71xx-mdio.0",
137 .platform_data
= &rb2011_ar8327_data
,
141 static void __init
rb2011_wlan_init(void)
143 u8
*hard_cfg
= (u8
*) KSEG1ADDR(0x1f000000);
147 u8 wlan_mac
[ETH_ALEN
];
150 hard_cfg
+= rb2011_spi_partitions
[1].offset
;
151 err
= routerboot_find_tag(hard_cfg
, RB_HARD_CFG_SIZE
, RB_ID_WLAN_DATA
,
154 pr_err("no calibration data found\n");
158 art_buf
= kmalloc(RB_ART_SIZE
, GFP_KERNEL
);
159 if (art_buf
== NULL
) {
160 pr_err("no memory for calibration data\n");
164 err
= rle_decode((char *) tag
, tag_len
, art_buf
, RB_ART_SIZE
,
167 pr_err("unable to decode calibration data\n");
171 ath79_init_mac(wlan_mac
, ath79_mac_base
, 11);
172 ath79_register_wmac(art_buf
+ 0x1000, wlan_mac
);
178 static void rb2011_nand_select_chip(int chip_no
)
182 gpio_set_value(RB2011_GPIO_NAND_NCE
, 0);
185 gpio_set_value(RB2011_GPIO_NAND_NCE
, 1);
191 static struct nand_ecclayout rb2011_nand_ecclayout
= {
193 .eccpos
= { 8, 9, 10, 13, 14, 15 },
195 .oobfree
= { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } }
198 static int rb2011_nand_scan_fixup(struct mtd_info
*mtd
)
200 struct nand_chip
*chip
= mtd
->priv
;
202 if (mtd
->writesize
== 512) {
204 * Use the OLD Yaffs-1 OOB layout, otherwise RouterBoot
205 * will not be able to find the kernel that we load.
207 chip
->ecc
.layout
= &rb2011_nand_ecclayout
;
213 static void __init
rb2011_nand_init(void)
215 gpio_request_one(RB2011_GPIO_NAND_NCE
, GPIOF_OUT_INIT_HIGH
, "NAND nCE");
217 ath79_nfc_set_scan_fixup(rb2011_nand_scan_fixup
);
218 ath79_nfc_set_parts(rb2011_nand_partitions
,
219 ARRAY_SIZE(rb2011_nand_partitions
));
220 ath79_nfc_set_select_chip(rb2011_nand_select_chip
);
221 ath79_nfc_set_swap_dma(true);
222 ath79_register_nfc();
225 static void __init
rb2011_setup(void)
227 rb2011_init_partitions();
229 ath79_register_m25p80(&rb2011_spi_flash_data
);
232 ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0
|
233 AR934X_ETH_CFG_SW_ONLY_MODE
);
235 ath79_register_mdio(1, 0x0);
236 ath79_register_mdio(0, 0x0);
238 mdiobus_register_board_info(rb2011_mdio0_info
,
239 ARRAY_SIZE(rb2011_mdio0_info
));
241 /* GMAC0 is connected to an ar8327 switch */
242 ath79_init_mac(ath79_eth0_data
.mac_addr
, ath79_mac_base
, 0);
243 ath79_eth0_data
.phy_if_mode
= PHY_INTERFACE_MODE_RGMII
;
244 ath79_eth0_data
.phy_mask
= BIT(0);
245 ath79_eth0_data
.mii_bus_dev
= &ath79_mdio0_device
.dev
;
246 ath79_eth0_pll_data
.pll_1000
= 0x06000000;
248 ath79_register_eth(0);
250 /* GMAC1 is connected to the internal switch */
251 ath79_init_mac(ath79_eth1_data
.mac_addr
, ath79_mac_base
, 5);
252 ath79_eth1_data
.phy_if_mode
= PHY_INTERFACE_MODE_GMII
;
253 ath79_eth1_data
.speed
= SPEED_1000
;
254 ath79_eth1_data
.duplex
= DUPLEX_FULL
;
256 ath79_register_eth(1);
259 MIPS_MACHINE(ATH79_MACH_RB_2011L
, "2011L", "MikroTik RouterBOARD 2011L",
262 static void __init
rb2011us_setup(void)
267 MIPS_MACHINE(ATH79_MACH_RB_2011US
, "2011US", "MikroTik RouterBOARD 2011UAS",
270 static void __init
rb2011g_setup(void)
276 MIPS_MACHINE(ATH79_MACH_RB_2011G
, "2011G", "MikroTik RouterBOARD 2011UAS-2HnD",