2 * MikroTik RouterBOARD 750/750GL support
4 * Copyright (C) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published
8 * by the Free Software Foundation.
11 #include <linux/export.h>
12 #include <linux/pci.h>
13 #include <linux/ath9k_platform.h>
14 #include <linux/platform_device.h>
15 #include <linux/phy.h>
16 #include <linux/ar8216_platform.h>
18 #include <asm/mach-ath79/ar71xx_regs.h>
19 #include <asm/mach-ath79/ath79.h>
20 #include <asm/mach-ath79/irq.h>
21 #include <asm/mach-ath79/mach-rb750.h>
24 #include "dev-ap9x-pci.h"
27 #include "machtypes.h"
29 static struct rb750_led_data rb750_leds
[] = {
31 .name
= "rb750:green:act",
32 .mask
= RB750_LED_ACT
,
35 .name
= "rb750:green:port1",
36 .mask
= RB750_LED_PORT5
,
39 .name
= "rb750:green:port2",
40 .mask
= RB750_LED_PORT4
,
43 .name
= "rb750:green:port3",
44 .mask
= RB750_LED_PORT3
,
47 .name
= "rb750:green:port4",
48 .mask
= RB750_LED_PORT2
,
51 .name
= "rb750:green:port5",
52 .mask
= RB750_LED_PORT1
,
57 static struct rb750_led_data rb750gr3_leds
[] = {
59 .name
= "rb750:green:act",
60 .mask
= RB7XX_LED_ACT
,
65 static struct rb750_led_platform_data rb750_leds_data
;
66 static struct platform_device rb750_leds_device
= {
69 .platform_data
= &rb750_leds_data
,
73 static struct rb7xx_nand_platform_data rb750_nand_data
;
74 static struct platform_device rb750_nand_device
= {
78 .platform_data
= &rb750_nand_data
,
82 static void rb750_latch_change(u32 mask_clr
, u32 mask_set
)
84 static DEFINE_SPINLOCK(lock
);
85 static u32 latch_set
= RB750_LED_BITS
| RB750_LVC573_LE
;
91 spin_lock_irqsave(&lock
, flags
);
93 if ((mask_clr
& BIT(31)) != 0 &&
94 (latch_set
& RB750_LVC573_LE
) == 0) {
98 latch_set
= (latch_set
| mask_set
) & ~mask_clr
;
99 latch_clr
= (latch_clr
| mask_clr
) & ~mask_set
;
102 latch_oe
= __raw_readl(ath79_gpio_base
+ AR71XX_GPIO_REG_OE
);
104 if (likely(latch_set
& RB750_LVC573_LE
)) {
105 void __iomem
*base
= ath79_gpio_base
;
107 t
= __raw_readl(base
+ AR71XX_GPIO_REG_OE
);
108 t
|= mask_clr
| latch_oe
| mask_set
;
110 __raw_writel(t
, base
+ AR71XX_GPIO_REG_OE
);
111 __raw_writel(latch_clr
, base
+ AR71XX_GPIO_REG_CLEAR
);
112 __raw_writel(latch_set
, base
+ AR71XX_GPIO_REG_SET
);
113 } else if (mask_clr
& RB750_LVC573_LE
) {
114 void __iomem
*base
= ath79_gpio_base
;
116 latch_oe
= __raw_readl(base
+ AR71XX_GPIO_REG_OE
);
117 __raw_writel(RB750_LVC573_LE
, base
+ AR71XX_GPIO_REG_CLEAR
);
119 __raw_readl(base
+ AR71XX_GPIO_REG_CLEAR
);
123 spin_unlock_irqrestore(&lock
, flags
);
126 static void rb750_nand_enable_pins(void)
128 rb750_latch_change(RB750_LVC573_LE
, 0);
129 ath79_gpio_function_setup(AR724X_GPIO_FUNC_JTAG_DISABLE
,
130 AR724X_GPIO_FUNC_SPI_EN
);
133 static void rb750_nand_disable_pins(void)
135 ath79_gpio_function_setup(AR724X_GPIO_FUNC_SPI_EN
,
136 AR724X_GPIO_FUNC_JTAG_DISABLE
);
137 rb750_latch_change(0, RB750_LVC573_LE
);
140 static void __init
rb750_setup(void)
142 ath79_gpio_function_disable(AR724X_GPIO_FUNC_ETH_SWITCH_LED0_EN
|
143 AR724X_GPIO_FUNC_ETH_SWITCH_LED1_EN
|
144 AR724X_GPIO_FUNC_ETH_SWITCH_LED2_EN
|
145 AR724X_GPIO_FUNC_ETH_SWITCH_LED3_EN
|
146 AR724X_GPIO_FUNC_ETH_SWITCH_LED4_EN
);
148 ath79_init_mac(ath79_eth0_data
.mac_addr
, ath79_mac_base
, 0);
149 ath79_init_mac(ath79_eth1_data
.mac_addr
, ath79_mac_base
, 1);
151 ath79_register_mdio(0, 0x0);
154 ath79_register_eth(1);
157 ath79_register_eth(0);
159 rb750_leds_data
.num_leds
= ARRAY_SIZE(rb750_leds
);
160 rb750_leds_data
.leds
= rb750_leds
;
161 rb750_leds_data
.latch_change
= rb750_latch_change
;
162 platform_device_register(&rb750_leds_device
);
164 rb750_nand_data
.nce_line
= RB750_NAND_NCE
;
165 rb750_nand_data
.enable_pins
= rb750_nand_enable_pins
;
166 rb750_nand_data
.disable_pins
= rb750_nand_disable_pins
;
167 rb750_nand_data
.latch_change
= rb750_latch_change
;
168 platform_device_register(&rb750_nand_device
);
171 MIPS_MACHINE(ATH79_MACH_RB_750
, "750i", "MikroTik RouterBOARD 750",
174 static struct ar8327_pad_cfg rb750gr3_ar8327_pad0_cfg
= {
175 .mode
= AR8327_PAD_MAC_RGMII
,
176 .txclk_delay_en
= true,
177 .rxclk_delay_en
= true,
178 .txclk_delay_sel
= AR8327_CLK_DELAY_SEL1
,
179 .rxclk_delay_sel
= AR8327_CLK_DELAY_SEL2
,
182 static struct ar8327_platform_data rb750gr3_ar8327_data
= {
183 .pad0_cfg
= &rb750gr3_ar8327_pad0_cfg
,
186 .speed
= AR8327_PORT_SPEED_100
,
193 static struct mdio_board_info rb750g3_mdio_info
[] = {
195 .bus_id
= "ag71xx-mdio.0",
197 .platform_data
= &rb750gr3_ar8327_data
,
201 static void rb750gr3_nand_enable_pins(void)
203 ath79_gpio_function_setup(AR724X_GPIO_FUNC_JTAG_DISABLE
,
204 AR724X_GPIO_FUNC_SPI_EN
|
205 AR724X_GPIO_FUNC_SPI_CS_EN2
);
208 static void rb750gr3_nand_disable_pins(void)
210 ath79_gpio_function_setup(AR724X_GPIO_FUNC_SPI_EN
|
211 AR724X_GPIO_FUNC_SPI_CS_EN2
,
212 AR724X_GPIO_FUNC_JTAG_DISABLE
);
215 static void rb750gr3_latch_change(u32 mask_clr
, u32 mask_set
)
217 static DEFINE_SPINLOCK(lock
);
218 static u32 latch_set
= RB7XX_LED_ACT
;
219 static u32 latch_clr
;
220 void __iomem
*base
= ath79_gpio_base
;
224 spin_lock_irqsave(&lock
, flags
);
226 latch_set
= (latch_set
| mask_set
) & ~mask_clr
;
227 latch_clr
= (latch_clr
| mask_clr
) & ~mask_set
;
229 mask_set
= latch_set
& (RB7XX_USB_POWERON
| RB7XX_MONITOR
);
230 mask_clr
= latch_clr
& (RB7XX_USB_POWERON
| RB7XX_MONITOR
);
232 if ((latch_set
^ RB7XX_LED_ACT
) & RB7XX_LED_ACT
) {
233 /* enable output mode */
234 t
= __raw_readl(base
+ AR71XX_GPIO_REG_OE
);
236 __raw_writel(t
, base
+ AR71XX_GPIO_REG_OE
);
238 mask_clr
|= RB7XX_LED_ACT
;
240 /* disable output mode */
241 t
= __raw_readl(base
+ AR71XX_GPIO_REG_OE
);
243 __raw_writel(t
, base
+ AR71XX_GPIO_REG_OE
);
246 __raw_writel(mask_set
, base
+ AR71XX_GPIO_REG_SET
);
247 __raw_writel(mask_clr
, base
+ AR71XX_GPIO_REG_CLEAR
);
249 spin_unlock_irqrestore(&lock
, flags
);
252 static void __init
rb750gr3_setup(void)
254 ath79_register_mdio(0, 0x0);
255 mdiobus_register_board_info(rb750g3_mdio_info
,
256 ARRAY_SIZE(rb750g3_mdio_info
));
258 ath79_init_mac(ath79_eth0_data
.mac_addr
, ath79_mac_base
, 0);
259 ath79_eth0_data
.phy_if_mode
= PHY_INTERFACE_MODE_RGMII
;
260 ath79_eth0_data
.phy_mask
= BIT(0);
262 ath79_register_eth(0);
264 rb750_leds_data
.num_leds
= ARRAY_SIZE(rb750gr3_leds
);
265 rb750_leds_data
.leds
= rb750gr3_leds
;
266 rb750_leds_data
.latch_change
= rb750gr3_latch_change
;
267 platform_device_register(&rb750_leds_device
);
269 rb750_nand_data
.nce_line
= RB7XX_NAND_NCE
;
270 rb750_nand_data
.enable_pins
= rb750gr3_nand_enable_pins
;
271 rb750_nand_data
.disable_pins
= rb750gr3_nand_disable_pins
;
272 rb750_nand_data
.latch_change
= rb750gr3_latch_change
;
273 platform_device_register(&rb750_nand_device
);
276 MIPS_MACHINE(ATH79_MACH_RB_750G_R3
, "750Gr3", "MikroTik RouterBOARD 750GL",
279 static int decode_rle(char *output
, int len
, char *in
)
282 char *end
= output
+ len
;
295 } else if (*in
> 0) {
309 #define RB751_HARDCONFIG 0x1f00b000
310 #define RB751_MAC_ADDRESS_OFFSET 0xE80
311 #define RB751_CALDATA_OFFSET 0x27C
313 static void __init
rb751_wlan_setup(void)
315 u8
*hardconfig
= (u8
*) KSEG1ADDR(RB751_HARDCONFIG
);
316 struct ath9k_platform_data
*wmac_data
;
319 wmac_data
= ap9x_pci_get_wmac_data(0);
321 pr_err("rb75x: unable to get address of wlan data\n");
325 ap9x_pci_setup_wmac_led_pin(0, 9);
327 dec_size
= decode_rle((char *) wmac_data
->eeprom_data
,
328 sizeof(wmac_data
->eeprom_data
),
329 hardconfig
+ RB751_CALDATA_OFFSET
);
330 if (dec_size
!= sizeof(wmac_data
->eeprom_data
)) {
331 pr_err("rb75x: unable to decode wlan eeprom data\n");
335 ap91_pci_init(NULL
, hardconfig
+ RB751_MAC_ADDRESS_OFFSET
);
338 static void __init
rb751_setup(void)
341 ath79_register_usb();
345 MIPS_MACHINE(ATH79_MACH_RB_751
, "751", "MikroTik RouterBOARD 751",
348 static void __init
rb751g_setup(void)
351 ath79_register_usb();
355 MIPS_MACHINE(ATH79_MACH_RB_751G
, "751g", "MikroTik RouterBOARD 751G",