Root/target/linux/ar71xx/files/arch/mips/ar71xx/mach-rb4xx.c

1/*
2 * MikroTik RouterBOARD 4xx series support
3 *
4 * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
5 * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
6 *
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.
10 */
11
12#include <linux/platform_device.h>
13#include <linux/irq.h>
14#include <linux/mmc/host.h>
15#include <linux/spi/spi.h>
16#include <linux/spi/flash.h>
17#include <linux/spi/mmc_spi.h>
18#include <linux/mtd/mtd.h>
19#include <linux/mtd/partitions.h>
20
21#include <asm/mach-ar71xx/ar71xx.h>
22#include <asm/mach-ar71xx/pci.h>
23#include <asm/mach-ar71xx/rb4xx_cpld.h>
24
25#include "machtype.h"
26#include "devices.h"
27#include "dev-gpio-buttons.h"
28#include "dev-leds-gpio.h"
29#include "dev-usb.h"
30
31#define RB4XX_GPIO_USER_LED 4
32#define RB4XX_GPIO_RESET_SWITCH 7
33
34#define RB4XX_GPIO_CPLD_BASE 32
35#define RB4XX_GPIO_CPLD_LED1 (RB4XX_GPIO_CPLD_BASE + CPLD_GPIO_nLED1)
36#define RB4XX_GPIO_CPLD_LED2 (RB4XX_GPIO_CPLD_BASE + CPLD_GPIO_nLED2)
37#define RB4XX_GPIO_CPLD_LED3 (RB4XX_GPIO_CPLD_BASE + CPLD_GPIO_nLED3)
38#define RB4XX_GPIO_CPLD_LED4 (RB4XX_GPIO_CPLD_BASE + CPLD_GPIO_nLED4)
39#define RB4XX_GPIO_CPLD_LED5 (RB4XX_GPIO_CPLD_BASE + CPLD_GPIO_nLED5)
40
41#define RB4XX_KEYS_POLL_INTERVAL 20 /* msecs */
42#define RB4XX_KEYS_DEBOUNCE_INTERVAL (3 * RB4XX_KEYS_POLL_INTERVAL)
43
44static struct gpio_led rb4xx_leds_gpio[] __initdata = {
45    {
46        .name = "rb4xx:yellow:user",
47        .gpio = RB4XX_GPIO_USER_LED,
48        .active_low = 0,
49    }, {
50        .name = "rb4xx:green:led1",
51        .gpio = RB4XX_GPIO_CPLD_LED1,
52        .active_low = 1,
53    }, {
54        .name = "rb4xx:green:led2",
55        .gpio = RB4XX_GPIO_CPLD_LED2,
56        .active_low = 1,
57    }, {
58        .name = "rb4xx:green:led3",
59        .gpio = RB4XX_GPIO_CPLD_LED3,
60        .active_low = 1,
61    }, {
62        .name = "rb4xx:green:led4",
63        .gpio = RB4XX_GPIO_CPLD_LED4,
64        .active_low = 1,
65    }, {
66        .name = "rb4xx:green:led5",
67        .gpio = RB4XX_GPIO_CPLD_LED5,
68        .active_low = 0,
69    },
70};
71
72static struct gpio_keys_button rb4xx_gpio_keys[] __initdata = {
73    {
74        .desc = "reset_switch",
75        .type = EV_KEY,
76        .code = KEY_RESTART,
77        .debounce_interval = RB4XX_KEYS_DEBOUNCE_INTERVAL,
78        .gpio = RB4XX_GPIO_RESET_SWITCH,
79        .active_low = 1,
80    }
81};
82
83static struct platform_device rb4xx_nand_device = {
84    .name = "rb4xx-nand",
85    .id = -1,
86};
87
88static struct ar71xx_pci_irq rb4xx_pci_irqs[] __initdata = {
89    {
90        .slot = 0,
91        .pin = 1,
92        .irq = AR71XX_PCI_IRQ_DEV2,
93    }, {
94        .slot = 1,
95        .pin = 1,
96        .irq = AR71XX_PCI_IRQ_DEV0,
97    }, {
98        .slot = 1,
99        .pin = 2,
100        .irq = AR71XX_PCI_IRQ_DEV1,
101    }, {
102        .slot = 2,
103        .pin = 1,
104        .irq = AR71XX_PCI_IRQ_DEV1,
105    }, {
106        .slot = 3,
107        .pin = 1,
108        .irq = AR71XX_PCI_IRQ_DEV2,
109    }
110};
111
112#ifdef CONFIG_MTD_PARTITIONS
113static struct mtd_partition rb4xx_partitions[] = {
114    {
115        .name = "routerboot",
116        .offset = 0,
117        .size = 0x0b000,
118        .mask_flags = MTD_WRITEABLE,
119    }, {
120        .name = "hard_config",
121        .offset = 0x0b000,
122        .size = 0x01000,
123        .mask_flags = MTD_WRITEABLE,
124    }, {
125        .name = "bios",
126        .offset = 0x0d000,
127        .size = 0x02000,
128        .mask_flags = MTD_WRITEABLE,
129    }, {
130        .name = "soft_config",
131        .offset = 0x0f000,
132        .size = 0x01000,
133    }
134};
135#define rb4xx_num_partitions ARRAY_SIZE(rb4xx_partitions)
136#else /* CONFIG_MTD_PARTITIONS */
137#define rb4xx_partitions NULL
138#define rb4xx_num_partitions 0
139#endif /* CONFIG_MTD_PARTITIONS */
140
141static struct flash_platform_data rb4xx_flash_data = {
142    .type = "pm25lv512",
143    .parts = rb4xx_partitions,
144    .nr_parts = rb4xx_num_partitions,
145};
146
147static struct rb4xx_cpld_platform_data rb4xx_cpld_data = {
148    .gpio_base = RB4XX_GPIO_CPLD_BASE,
149};
150
151static struct mmc_spi_platform_data rb4xx_mmc_data = {
152    .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
153};
154
155static struct spi_board_info rb4xx_spi_info[] = {
156    {
157        .bus_num = 0,
158        .chip_select = 0,
159        .max_speed_hz = 25000000,
160        .modalias = "m25p80",
161        .platform_data = &rb4xx_flash_data,
162    }, {
163        .bus_num = 0,
164        .chip_select = 1,
165        .max_speed_hz = 25000000,
166        .modalias = "spi-rb4xx-cpld",
167        .platform_data = &rb4xx_cpld_data,
168    }
169};
170
171static struct spi_board_info rb4xx_microsd_info[] = {
172    {
173        .bus_num = 0,
174        .chip_select = 2,
175        .max_speed_hz = 25000000,
176        .modalias = "mmc_spi",
177        .platform_data = &rb4xx_mmc_data,
178    }
179};
180
181
182static struct resource rb4xx_spi_resources[] = {
183    {
184        .start = AR71XX_SPI_BASE,
185        .end = AR71XX_SPI_BASE + AR71XX_SPI_SIZE - 1,
186        .flags = IORESOURCE_MEM,
187    },
188};
189
190static struct platform_device rb4xx_spi_device = {
191    .name = "rb4xx-spi",
192    .id = -1,
193    .resource = rb4xx_spi_resources,
194    .num_resources = ARRAY_SIZE(rb4xx_spi_resources),
195};
196
197static void __init rb4xx_generic_setup(void)
198{
199    ar71xx_gpio_function_enable(AR71XX_GPIO_FUNC_SPI_CS1_EN |
200                    AR71XX_GPIO_FUNC_SPI_CS2_EN);
201
202    ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(rb4xx_leds_gpio),
203                    rb4xx_leds_gpio);
204
205    ar71xx_register_gpio_keys_polled(-1, RB4XX_KEYS_POLL_INTERVAL,
206                     ARRAY_SIZE(rb4xx_gpio_keys),
207                     rb4xx_gpio_keys);
208
209    spi_register_board_info(rb4xx_spi_info, ARRAY_SIZE(rb4xx_spi_info));
210    platform_device_register(&rb4xx_spi_device);
211    platform_device_register(&rb4xx_nand_device);
212}
213
214static void __init rb411_setup(void)
215{
216    rb4xx_generic_setup();
217    spi_register_board_info(rb4xx_microsd_info,
218                ARRAY_SIZE(rb4xx_microsd_info));
219
220    ar71xx_add_device_mdio(0xfffffffc);
221
222    ar71xx_init_mac(ar71xx_eth0_data.mac_addr, ar71xx_mac_base, 0);
223    ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
224    ar71xx_eth0_data.phy_mask = 0x00000003;
225
226    ar71xx_add_device_eth(0);
227
228    ar71xx_pci_init(ARRAY_SIZE(rb4xx_pci_irqs), rb4xx_pci_irqs);
229}
230
231MIPS_MACHINE(AR71XX_MACH_RB_411, "411", "MikroTik RouterBOARD 411/A/AH",
232         rb411_setup);
233
234static void __init rb411u_setup(void)
235{
236    rb411_setup();
237    ar71xx_add_device_usb();
238}
239
240MIPS_MACHINE(AR71XX_MACH_RB_411U, "411U", "MikroTik RouterBOARD 411U",
241         rb411u_setup);
242
243#define RB433_LAN_PHYMASK BIT(0)
244#define RB433_WAN_PHYMASK BIT(4)
245#define RB433_MDIO_PHYMASK (RB433_LAN_PHYMASK | RB433_WAN_PHYMASK)
246
247static void __init rb433_setup(void)
248{
249    rb4xx_generic_setup();
250    spi_register_board_info(rb4xx_microsd_info,
251                ARRAY_SIZE(rb4xx_microsd_info));
252
253    ar71xx_add_device_mdio(~RB433_MDIO_PHYMASK);
254
255    ar71xx_init_mac(ar71xx_eth0_data.mac_addr, ar71xx_mac_base, 1);
256    ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
257    ar71xx_eth0_data.phy_mask = RB433_LAN_PHYMASK;
258
259    ar71xx_init_mac(ar71xx_eth1_data.mac_addr, ar71xx_mac_base, 0);
260    ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
261    ar71xx_eth1_data.phy_mask = RB433_WAN_PHYMASK;
262
263    ar71xx_add_device_eth(1);
264    ar71xx_add_device_eth(0);
265
266    ar71xx_pci_init(ARRAY_SIZE(rb4xx_pci_irqs), rb4xx_pci_irqs);
267}
268
269MIPS_MACHINE(AR71XX_MACH_RB_433, "433", "MikroTik RouterBOARD 433/AH",
270         rb433_setup);
271
272static void __init rb433u_setup(void)
273{
274    rb433_setup();
275    ar71xx_add_device_usb();
276}
277
278MIPS_MACHINE(AR71XX_MACH_RB_433U, "433U", "MikroTik RouterBOARD 433UAH",
279         rb433u_setup);
280
281#define RB450_LAN_PHYMASK BIT(0)
282#define RB450_WAN_PHYMASK BIT(4)
283#define RB450_MDIO_PHYMASK (RB450_LAN_PHYMASK | RB450_WAN_PHYMASK)
284
285static void __init rb450_generic_setup(int gige)
286{
287    rb4xx_generic_setup();
288    ar71xx_add_device_mdio(~RB450_MDIO_PHYMASK);
289
290    ar71xx_init_mac(ar71xx_eth0_data.mac_addr, ar71xx_mac_base, 1);
291    ar71xx_eth0_data.phy_if_mode = (gige) ?
292        PHY_INTERFACE_MODE_RGMII : PHY_INTERFACE_MODE_MII;
293    ar71xx_eth0_data.phy_mask = RB450_LAN_PHYMASK;
294
295    ar71xx_init_mac(ar71xx_eth1_data.mac_addr, ar71xx_mac_base, 0);
296    ar71xx_eth1_data.phy_if_mode = (gige) ?
297        PHY_INTERFACE_MODE_RGMII : PHY_INTERFACE_MODE_RMII;
298    ar71xx_eth1_data.phy_mask = RB450_WAN_PHYMASK;
299
300    ar71xx_add_device_eth(1);
301    ar71xx_add_device_eth(0);
302}
303
304static void __init rb450_setup(void)
305{
306    rb450_generic_setup(0);
307}
308
309MIPS_MACHINE(AR71XX_MACH_RB_450, "450", "MikroTik RouterBOARD 450",
310         rb450_setup);
311
312static void __init rb450g_setup(void)
313{
314    rb450_generic_setup(1);
315    spi_register_board_info(rb4xx_microsd_info,
316                ARRAY_SIZE(rb4xx_microsd_info));
317}
318
319MIPS_MACHINE(AR71XX_MACH_RB_450G, "450G", "MikroTik RouterBOARD 450G",
320         rb450g_setup);
321
322static void __init rb493_setup(void)
323{
324    rb4xx_generic_setup();
325
326    ar71xx_add_device_mdio(0x3fffff00);
327
328    ar71xx_init_mac(ar71xx_eth0_data.mac_addr, ar71xx_mac_base, 0);
329    ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
330    ar71xx_eth0_data.speed = SPEED_100;
331    ar71xx_eth0_data.duplex = DUPLEX_FULL;
332
333    ar71xx_init_mac(ar71xx_eth1_data.mac_addr, ar71xx_mac_base, 1);
334    ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
335    ar71xx_eth1_data.phy_mask = 0x00000001;
336
337    ar71xx_add_device_eth(0);
338    ar71xx_add_device_eth(1);
339
340    ar71xx_pci_init(ARRAY_SIZE(rb4xx_pci_irqs), rb4xx_pci_irqs);
341}
342
343MIPS_MACHINE(AR71XX_MACH_RB_493, "493", "MikroTik RouterBOARD 493/AH",
344         rb493_setup);
345

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