2 * MikroTik SPI-NOR RouterBOARDs support
4 * - MikroTik RouterBOARD mAP L-2nD
5 * - MikroTik RouterBOARD 941L-2nD
7 * Copyright (C) 2017 Thibaut VARENE <varenet@parisc-linux.org>
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License version 2 as published
11 * by the Free Software Foundation.
14 #include <linux/platform_device.h>
15 #include <linux/phy.h>
16 #include <linux/routerboot.h>
17 #include <linux/gpio.h>
19 #include <linux/mtd/mtd.h>
20 #include <linux/mtd/partitions.h>
23 #include <asm/mach-ath79/ar71xx_regs.h>
24 #include <asm/mach-ath79/ath79.h>
29 #include "dev-gpio-buttons.h"
30 #include "dev-leds-gpio.h"
31 #include "dev-m25p80.h"
34 #include "machtypes.h"
35 #include "routerboot.h"
37 #define RBSPI_KEYS_POLL_INTERVAL 20 /* msecs */
38 #define RBSPI_KEYS_DEBOUNCE_INTERVAL (3 * RBSPI_KEYS_POLL_INTERVAL)
40 #define RBSPI_HAS_USB BIT(0)
41 #define RBSPI_HAS_WLAN BIT(1)
42 #define RBSPI_HAS_WAN4 BIT(2) /* has WAN port on PHY4 */
44 #define RB_ROUTERBOOT_OFFSET 0x0000
45 #define RB_BIOS_SIZE 0x1000
46 #define RB_SOFT_CFG_SIZE 0x1000
47 #define RB_KERNEL_SIZE (2 * 1024 * 1024) /* 2MB kernel */
49 /* Flash partitions indexes */
61 static struct mtd_partition rbspi_spi_partitions
[RBSPI_PARTS
];
64 * Setup the SPI flash partition table based on initial parsing.
65 * The kernel can be at any aligned position and have any size.
66 * The size of the kernel partition is the desired RB_KERNEL_SIZE
67 * minus the size of the preceding partitions (128KB).
69 static void __init
rbspi_init_partitions(const struct rb_info
*info
)
71 struct mtd_partition
*parts
= rbspi_spi_partitions
;
72 memset(parts
, 0x0, sizeof(*parts
));
74 parts
[RBSPI_PART_RBOOT
].name
= "routerboot";
75 parts
[RBSPI_PART_RBOOT
].offset
= RB_ROUTERBOOT_OFFSET
;
76 parts
[RBSPI_PART_RBOOT
].size
= info
->hard_cfg_offs
;
77 parts
[RBSPI_PART_RBOOT
].mask_flags
= MTD_WRITEABLE
;
79 parts
[RBSPI_PART_HCONF
].name
= "hard_config";
80 parts
[RBSPI_PART_HCONF
].offset
= info
->hard_cfg_offs
;
81 parts
[RBSPI_PART_HCONF
].size
= info
->hard_cfg_size
;
82 parts
[RBSPI_PART_HCONF
].mask_flags
= MTD_WRITEABLE
;
84 parts
[RBSPI_PART_BIOS
].name
= "bios";
85 parts
[RBSPI_PART_BIOS
].offset
= info
->hard_cfg_offs
86 + info
->hard_cfg_size
;
87 parts
[RBSPI_PART_BIOS
].size
= RB_BIOS_SIZE
;
88 parts
[RBSPI_PART_BIOS
].mask_flags
= MTD_WRITEABLE
;
90 parts
[RBSPI_PART_RBOOT2
].name
= "routerboot2";
91 parts
[RBSPI_PART_RBOOT2
].offset
= parts
[RBSPI_PART_BIOS
].offset
93 parts
[RBSPI_PART_RBOOT2
].size
= info
->soft_cfg_offs
94 - parts
[RBSPI_PART_RBOOT2
].offset
;
95 parts
[RBSPI_PART_RBOOT2
].mask_flags
= MTD_WRITEABLE
;
97 parts
[RBSPI_PART_SCONF
].name
= "soft_config";
98 parts
[RBSPI_PART_SCONF
].offset
= info
->soft_cfg_offs
;
99 parts
[RBSPI_PART_SCONF
].size
= RB_SOFT_CFG_SIZE
;
101 parts
[RBSPI_PART_KERN
].name
= "kernel";
102 parts
[RBSPI_PART_KERN
].offset
= parts
[RBSPI_PART_SCONF
].offset
103 + parts
[RBSPI_PART_SCONF
].size
;
104 parts
[RBSPI_PART_KERN
].size
= RB_KERNEL_SIZE
105 - parts
[RBSPI_PART_KERN
].offset
;
107 parts
[RBSPI_PART_ROOT
].name
= "rootfs";
108 parts
[RBSPI_PART_ROOT
].offset
= parts
[RBSPI_PART_KERN
].offset
109 + parts
[RBSPI_PART_KERN
].size
;
110 parts
[RBSPI_PART_ROOT
].size
= MTDPART_SIZ_FULL
;
113 static struct flash_platform_data rbspi_spi_flash_data
= {
114 .parts
= rbspi_spi_partitions
,
115 .nr_parts
= ARRAY_SIZE(rbspi_spi_partitions
),
118 /* Several boards only have a single reset button wired to GPIO 16 */
119 #define RBSPI_GPIO_BTN_RESET16 16
121 static struct gpio_keys_button rbspi_gpio_keys_reset16
[] __initdata
= {
123 .desc
= "Reset button",
126 .debounce_interval
= RBSPI_KEYS_DEBOUNCE_INTERVAL
,
127 .gpio
= RBSPI_GPIO_BTN_RESET16
,
132 /* RB mAP L-2nD gpios */
133 #define RBMAPL_GPIO_LED_POWER 17
134 #define RBMAPL_GPIO_LED_USER 14
135 #define RBMAPL_GPIO_LED_ETH 4
136 #define RBMAPL_GPIO_LED_WLAN 11
138 static struct gpio_led rbmapl_leds
[] __initdata
= {
140 .name
= "rb:green:power",
141 .gpio
= RBMAPL_GPIO_LED_POWER
,
143 .default_state
= LEDS_GPIO_DEFSTATE_ON
,
145 .name
= "rb:green:user",
146 .gpio
= RBMAPL_GPIO_LED_USER
,
149 .name
= "rb:green:eth",
150 .gpio
= RBMAPL_GPIO_LED_ETH
,
153 .name
= "rb:green:wlan",
154 .gpio
= RBMAPL_GPIO_LED_WLAN
,
159 /* RB 941L-2nD gpios */
160 #define RBHAPL_GPIO_LED_USER 14
161 static struct gpio_led rbhapl_leds
[] __initdata
= {
163 .name
= "rb:green:user",
164 .gpio
= RBHAPL_GPIO_LED_USER
,
169 void __init
rbspi_wlan_init(int wmac_offset
)
172 u8 wlan_mac
[ETH_ALEN
];
174 art_buf
= rb_get_wlan_data();
178 ath79_init_mac(wlan_mac
, ath79_mac_base
, wmac_offset
);
179 ath79_register_wmac(art_buf
+ 0x1000, wlan_mac
);
185 * Common platform init routine for all SPI NOR devices.
187 static int __init
rbspi_platform_setup(void)
189 const struct rb_info
*info
;
192 info
= rb_init_info((void *)(KSEG1ADDR(AR71XX_SPI_BASE
)), 0x20000);
196 scnprintf(buf
, sizeof(buf
), "MikroTik %s",
197 (info
->board_name
) ? info
->board_name
: "");
198 mips_set_machine_name(buf
);
200 /* fix partitions based on flash parsing */
201 rbspi_init_partitions(info
);
207 * Common peripherals init routine for all SPI NOR devices.
210 static void __init
rbspi_peripherals_setup(u32 flags
)
212 ath79_register_m25p80(&rbspi_spi_flash_data
);
214 if (flags
& RBSPI_HAS_USB
)
215 ath79_register_usb();
219 * Common network init routine for all SPI NOR devices.
222 static void __init
rbspi_network_setup(u32 flags
, int gmac1_offset
,
225 /* for QCA953x that will init mdio1_device/data */
226 ath79_register_mdio(0, 0x0);
228 if (flags
& RBSPI_HAS_WAN4
) {
229 ath79_setup_ar934x_eth_cfg(0);
231 /* set switch to oper mode 1, PHY4 connected to CPU */
232 ath79_switch_data
.phy4_mii_en
= 1;
233 ath79_switch_data
.phy_poll_mask
|= BIT(4);
235 /* init GMAC0 connected to PHY4 at 100M */
236 ath79_eth0_data
.phy_if_mode
= PHY_INTERFACE_MODE_MII
;
237 ath79_eth0_data
.phy_mask
= BIT(4);
238 ath79_init_mac(ath79_eth0_data
.mac_addr
, ath79_mac_base
, 0);
239 ath79_register_eth(0);
241 /* set the SoC to SW_ONLY_MODE, which connects all PHYs
242 * to the internal switch.
243 * We hijack ath79_setup_ar934x_eth_cfg() to set the switch in
244 * the QCA953x, this works because this configuration bit is
245 * the same as the AR934x. There's no equivalent function for
246 * QCA953x for now. */
247 ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_SW_ONLY_MODE
);
251 ath79_init_mac(ath79_eth1_data
.mac_addr
, ath79_mac_base
, gmac1_offset
);
252 ath79_eth1_data
.phy_if_mode
= PHY_INTERFACE_MODE_GMII
;
253 ath79_register_eth(1);
255 if (flags
& RBSPI_HAS_WLAN
)
256 rbspi_wlan_init(wmac_offset
);
260 * Init the mAP lite hardware.
261 * The mAP L-2nD (mAP lite) has a single ethernet port, connected to PHY0.
262 * Trying to use GMAC0 in direct mode was unsucessful, so we're
263 * using SW_ONLY_MODE, which connects PHY0 to MAC1 on the internal
264 * switch, which is connected to GMAC1 on the SoC. GMAC0 is unused.
266 static void __init
rbmapl_setup(void)
268 u32 flags
= RBSPI_HAS_WLAN
;
270 if (rbspi_platform_setup())
273 rbspi_peripherals_setup(flags
);
275 /* GMAC1 is HW MAC, WLAN MAC is HW MAC + 1 */
276 rbspi_network_setup(flags
, 0, 1);
278 ath79_register_leds_gpio(-1, ARRAY_SIZE(rbmapl_leds
), rbmapl_leds
);
280 /* mAP lite has a single reset button as gpio 16 */
281 ath79_register_gpio_keys_polled(-1, RBSPI_KEYS_POLL_INTERVAL
,
282 ARRAY_SIZE(rbspi_gpio_keys_reset16
),
283 rbspi_gpio_keys_reset16
);
285 /* clear internal multiplexing */
286 ath79_gpio_output_select(RBMAPL_GPIO_LED_ETH
, AR934X_GPIO_OUT_GPIO
);
287 ath79_gpio_output_select(RBMAPL_GPIO_LED_POWER
, AR934X_GPIO_OUT_GPIO
);
291 * Init the hAP lite hardware.
292 * The 941-2nD (hAP lite) has 4 ethernet ports, with port 2-4
293 * being assigned to LAN on the casing, and port 1 being assigned
294 * to "internet" (WAN) on the casing. Port 1 is connected to PHY3.
295 * Since WAN is neither PHY0 nor PHY4, we cannot use GMAC0 with this device.
297 static void __init
rbhapl_setup(void)
299 u32 flags
= RBSPI_HAS_WLAN
;
301 if (rbspi_platform_setup())
304 rbspi_peripherals_setup(flags
);
306 /* GMAC1 is HW MAC, WLAN MAC is HW MAC + 4 */
307 rbspi_network_setup(flags
, 0, 4);
309 ath79_register_leds_gpio(-1, ARRAY_SIZE(rbhapl_leds
), rbhapl_leds
);
311 /* hAP lite has a single reset button as gpio 16 */
312 ath79_register_gpio_keys_polled(-1, RBSPI_KEYS_POLL_INTERVAL
,
313 ARRAY_SIZE(rbspi_gpio_keys_reset16
),
314 rbspi_gpio_keys_reset16
);
317 MIPS_MACHINE_NONAME(ATH79_MACH_RB_MAPL
, "map-hb", rbmapl_setup
);
318 MIPS_MACHINE_NONAME(ATH79_MACH_RB_941
, "H951L", rbhapl_setup
);