OpenWrt – Blame information for rev 3
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Rev | Author | Line No. | Line |
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1 | office | 1 | /* |
2 | * MikroTik RouterBOARD 750/750GL support |
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3 | * |
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4 | * Copyright (C) 2010-2012 Gabor Juhos <juhosg@openwrt.org> |
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5 | * |
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6 | * This program is free software; you can redistribute it and/or modify it |
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7 | * under the terms of the GNU General Public License version 2 as published |
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8 | * by the Free Software Foundation. |
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9 | */ |
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10 | |||
11 | #include <linux/export.h> |
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12 | #include <linux/pci.h> |
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13 | #include <linux/ath9k_platform.h> |
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14 | #include <linux/platform_device.h> |
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15 | #include <linux/phy.h> |
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16 | #include <linux/ar8216_platform.h> |
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17 | #include <linux/rle.h> |
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18 | #include <linux/routerboot.h> |
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19 | |||
20 | #include <asm/mach-ath79/ar71xx_regs.h> |
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21 | #include <asm/mach-ath79/ath79.h> |
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22 | #include <asm/mach-ath79/irq.h> |
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23 | #include <asm/mach-ath79/mach-rb750.h> |
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24 | |||
25 | #include "common.h" |
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26 | #include "dev-ap9x-pci.h" |
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27 | #include "dev-usb.h" |
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28 | #include "dev-eth.h" |
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29 | #include "machtypes.h" |
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30 | #include "routerboot.h" |
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31 | |||
32 | static struct rb750_led_data rb750_leds[] = { |
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33 | { |
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34 | .name = "rb750:green:act", |
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35 | .mask = RB750_LED_ACT, |
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36 | .active_low = 1, |
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37 | }, { |
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38 | .name = "rb750:green:port1", |
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39 | .mask = RB750_LED_PORT5, |
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40 | .active_low = 1, |
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41 | }, { |
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42 | .name = "rb750:green:port2", |
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43 | .mask = RB750_LED_PORT4, |
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44 | .active_low = 1, |
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45 | }, { |
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46 | .name = "rb750:green:port3", |
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47 | .mask = RB750_LED_PORT3, |
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48 | .active_low = 1, |
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49 | }, { |
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50 | .name = "rb750:green:port4", |
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51 | .mask = RB750_LED_PORT2, |
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52 | .active_low = 1, |
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53 | }, { |
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54 | .name = "rb750:green:port5", |
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55 | .mask = RB750_LED_PORT1, |
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56 | .active_low = 1, |
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57 | } |
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58 | }; |
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59 | |||
60 | static struct rb750_led_data rb750gr3_leds[] = { |
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61 | { |
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62 | .name = "rb750:green:act", |
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63 | .mask = RB7XX_LED_ACT, |
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64 | .active_low = 1, |
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65 | }, |
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66 | }; |
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67 | |||
68 | static struct rb750_led_platform_data rb750_leds_data; |
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69 | static struct platform_device rb750_leds_device = { |
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70 | .name = "leds-rb750", |
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71 | .dev = { |
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72 | .platform_data = &rb750_leds_data, |
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73 | } |
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74 | }; |
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75 | |||
76 | static struct rb7xx_nand_platform_data rb750_nand_data; |
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77 | static struct platform_device rb750_nand_device = { |
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78 | .name = "rb750-nand", |
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79 | .id = -1, |
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80 | .dev = { |
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81 | .platform_data = &rb750_nand_data, |
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82 | } |
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83 | }; |
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84 | |||
85 | static void rb750_latch_change(u32 mask_clr, u32 mask_set) |
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86 | { |
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87 | static DEFINE_SPINLOCK(lock); |
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88 | static u32 latch_set = RB750_LED_BITS | RB750_LVC573_LE; |
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89 | static u32 latch_oe; |
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90 | static u32 latch_clr; |
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91 | unsigned long flags; |
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92 | u32 t; |
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93 | |||
94 | spin_lock_irqsave(&lock, flags); |
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95 | |||
96 | if ((mask_clr & BIT(31)) != 0 && |
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97 | (latch_set & RB750_LVC573_LE) == 0) { |
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98 | goto unlock; |
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99 | } |
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100 | |||
101 | latch_set = (latch_set | mask_set) & ~mask_clr; |
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102 | latch_clr = (latch_clr | mask_clr) & ~mask_set; |
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103 | |||
104 | if (latch_oe == 0) |
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105 | latch_oe = __raw_readl(ath79_gpio_base + AR71XX_GPIO_REG_OE); |
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106 | |||
107 | if (likely(latch_set & RB750_LVC573_LE)) { |
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108 | void __iomem *base = ath79_gpio_base; |
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109 | |||
110 | t = __raw_readl(base + AR71XX_GPIO_REG_OE); |
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111 | t |= mask_clr | latch_oe | mask_set; |
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112 | |||
113 | __raw_writel(t, base + AR71XX_GPIO_REG_OE); |
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114 | __raw_writel(latch_clr, base + AR71XX_GPIO_REG_CLEAR); |
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115 | __raw_writel(latch_set, base + AR71XX_GPIO_REG_SET); |
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116 | } else if (mask_clr & RB750_LVC573_LE) { |
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117 | void __iomem *base = ath79_gpio_base; |
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118 | |||
119 | latch_oe = __raw_readl(base + AR71XX_GPIO_REG_OE); |
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120 | __raw_writel(RB750_LVC573_LE, base + AR71XX_GPIO_REG_CLEAR); |
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121 | /* flush write */ |
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122 | __raw_readl(base + AR71XX_GPIO_REG_CLEAR); |
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123 | } |
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124 | |||
125 | unlock: |
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126 | spin_unlock_irqrestore(&lock, flags); |
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127 | } |
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128 | |||
129 | static void rb750_nand_enable_pins(void) |
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130 | { |
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131 | rb750_latch_change(RB750_LVC573_LE, 0); |
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132 | ath79_gpio_function_setup(AR724X_GPIO_FUNC_JTAG_DISABLE, |
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133 | AR724X_GPIO_FUNC_SPI_EN); |
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134 | } |
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135 | |||
136 | static void rb750_nand_disable_pins(void) |
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137 | { |
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138 | ath79_gpio_function_setup(AR724X_GPIO_FUNC_SPI_EN, |
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139 | AR724X_GPIO_FUNC_JTAG_DISABLE); |
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140 | rb750_latch_change(0, RB750_LVC573_LE); |
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141 | } |
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142 | |||
143 | static void __init rb750_setup(void) |
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144 | { |
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145 | ath79_gpio_function_disable(AR724X_GPIO_FUNC_ETH_SWITCH_LED0_EN | |
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146 | AR724X_GPIO_FUNC_ETH_SWITCH_LED1_EN | |
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147 | AR724X_GPIO_FUNC_ETH_SWITCH_LED2_EN | |
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148 | AR724X_GPIO_FUNC_ETH_SWITCH_LED3_EN | |
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149 | AR724X_GPIO_FUNC_ETH_SWITCH_LED4_EN); |
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150 | |||
151 | ath79_init_mac(ath79_eth0_data.mac_addr, ath79_mac_base, 0); |
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152 | ath79_init_mac(ath79_eth1_data.mac_addr, ath79_mac_base, 1); |
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153 | |||
154 | ath79_register_mdio(0, 0x0); |
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155 | |||
156 | /* LAN ports */ |
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157 | ath79_register_eth(1); |
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158 | |||
159 | /* WAN port */ |
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160 | ath79_register_eth(0); |
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161 | |||
162 | rb750_leds_data.num_leds = ARRAY_SIZE(rb750_leds); |
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163 | rb750_leds_data.leds = rb750_leds; |
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164 | rb750_leds_data.latch_change = rb750_latch_change; |
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165 | platform_device_register(&rb750_leds_device); |
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166 | |||
167 | rb750_nand_data.nce_line = RB750_NAND_NCE; |
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168 | rb750_nand_data.enable_pins = rb750_nand_enable_pins; |
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169 | rb750_nand_data.disable_pins = rb750_nand_disable_pins; |
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170 | rb750_nand_data.latch_change = rb750_latch_change; |
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171 | platform_device_register(&rb750_nand_device); |
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172 | |||
173 | /* USB */ |
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174 | ath79_register_usb(); |
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175 | } |
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176 | |||
177 | MIPS_MACHINE(ATH79_MACH_RB_750, "750i", "MikroTik RouterBOARD 750", |
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178 | rb750_setup); |
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179 | |||
180 | static struct ar8327_pad_cfg rb750gr3_ar8327_pad0_cfg = { |
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181 | .mode = AR8327_PAD_MAC_RGMII, |
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182 | .txclk_delay_en = true, |
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183 | .rxclk_delay_en = true, |
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184 | .txclk_delay_sel = AR8327_CLK_DELAY_SEL1, |
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185 | .rxclk_delay_sel = AR8327_CLK_DELAY_SEL2, |
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186 | }; |
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187 | |||
188 | static struct ar8327_platform_data rb750gr3_ar8327_data = { |
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189 | .pad0_cfg = &rb750gr3_ar8327_pad0_cfg, |
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190 | .port0_cfg = { |
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191 | .force_link = 1, |
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192 | .speed = AR8327_PORT_SPEED_1000, |
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193 | .duplex = 1, |
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194 | .txpause = 1, |
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195 | .rxpause = 1, |
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196 | } |
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197 | }; |
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198 | |||
199 | static struct mdio_board_info rb750g3_mdio_info[] = { |
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200 | { |
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201 | .bus_id = "ag71xx-mdio.0", |
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3 | office | 202 | .phy_addr = 0, |
1 | office | 203 | .platform_data = &rb750gr3_ar8327_data, |
204 | }, |
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205 | }; |
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206 | |||
207 | static void rb750gr3_nand_enable_pins(void) |
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208 | { |
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209 | ath79_gpio_function_setup(AR724X_GPIO_FUNC_JTAG_DISABLE, |
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210 | AR724X_GPIO_FUNC_SPI_EN | |
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211 | AR724X_GPIO_FUNC_SPI_CS_EN2); |
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212 | } |
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213 | |||
214 | static void rb750gr3_nand_disable_pins(void) |
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215 | { |
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216 | ath79_gpio_function_setup(AR724X_GPIO_FUNC_SPI_EN | |
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217 | AR724X_GPIO_FUNC_SPI_CS_EN2, |
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218 | AR724X_GPIO_FUNC_JTAG_DISABLE); |
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219 | } |
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220 | |||
221 | static void rb750gr3_latch_change(u32 mask_clr, u32 mask_set) |
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222 | { |
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223 | static DEFINE_SPINLOCK(lock); |
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224 | static u32 latch_set = RB7XX_LED_ACT; |
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225 | static u32 latch_clr; |
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226 | void __iomem *base = ath79_gpio_base; |
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227 | unsigned long flags; |
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228 | u32 t; |
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229 | |||
230 | spin_lock_irqsave(&lock, flags); |
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231 | |||
232 | latch_set = (latch_set | mask_set) & ~mask_clr; |
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233 | latch_clr = (latch_clr | mask_clr) & ~mask_set; |
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234 | |||
235 | mask_set = latch_set & (RB7XX_USB_POWERON | RB7XX_MONITOR); |
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236 | mask_clr = latch_clr & (RB7XX_USB_POWERON | RB7XX_MONITOR); |
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237 | |||
238 | if ((latch_set ^ RB7XX_LED_ACT) & RB7XX_LED_ACT) { |
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239 | /* enable output mode */ |
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240 | t = __raw_readl(base + AR71XX_GPIO_REG_OE); |
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241 | t |= RB7XX_LED_ACT; |
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242 | __raw_writel(t, base + AR71XX_GPIO_REG_OE); |
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243 | |||
244 | mask_clr |= RB7XX_LED_ACT; |
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245 | } else { |
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246 | /* disable output mode */ |
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247 | t = __raw_readl(base + AR71XX_GPIO_REG_OE); |
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248 | t &= ~RB7XX_LED_ACT; |
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249 | __raw_writel(t, base + AR71XX_GPIO_REG_OE); |
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250 | } |
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251 | |||
252 | __raw_writel(mask_set, base + AR71XX_GPIO_REG_SET); |
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253 | __raw_writel(mask_clr, base + AR71XX_GPIO_REG_CLEAR); |
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254 | |||
255 | spin_unlock_irqrestore(&lock, flags); |
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256 | } |
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257 | |||
258 | static void __init rb750gr3_setup(void) |
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259 | { |
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260 | ath79_register_mdio(0, 0x0); |
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261 | mdiobus_register_board_info(rb750g3_mdio_info, |
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262 | ARRAY_SIZE(rb750g3_mdio_info)); |
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263 | |||
264 | ath79_init_mac(ath79_eth0_data.mac_addr, ath79_mac_base, 0); |
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265 | ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII; |
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266 | ath79_eth0_data.phy_mask = BIT(0); |
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267 | ath79_eth0_pll_data.pll_1000 = 0x62000000; |
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268 | |||
269 | ath79_register_eth(0); |
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270 | |||
271 | rb750_leds_data.num_leds = ARRAY_SIZE(rb750gr3_leds); |
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272 | rb750_leds_data.leds = rb750gr3_leds; |
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273 | rb750_leds_data.latch_change = rb750gr3_latch_change; |
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274 | platform_device_register(&rb750_leds_device); |
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275 | |||
276 | rb750_nand_data.nce_line = RB7XX_NAND_NCE; |
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277 | rb750_nand_data.enable_pins = rb750gr3_nand_enable_pins; |
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278 | rb750_nand_data.disable_pins = rb750gr3_nand_disable_pins; |
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279 | rb750_nand_data.latch_change = rb750gr3_latch_change; |
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280 | platform_device_register(&rb750_nand_device); |
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281 | } |
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282 | |||
283 | MIPS_MACHINE(ATH79_MACH_RB_750G_R3, "750Gr3", "MikroTik RouterBOARD 750GL", |
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284 | rb750gr3_setup); |
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285 | |||
286 | #define RB751_HARDCONFIG 0x1f00b000 |
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287 | #define RB751_HARDCONFIG_SIZE 0x1000 |
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288 | |||
289 | static void __init rb751_wlan_setup(void) |
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290 | { |
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291 | u8 *hardconfig = (u8 *) KSEG1ADDR(RB751_HARDCONFIG); |
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292 | struct ath9k_platform_data *wmac_data; |
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293 | u16 tag_len; |
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294 | u8 *tag; |
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295 | u16 mac_len; |
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296 | u8 *mac; |
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297 | int err; |
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298 | |||
299 | wmac_data = ap9x_pci_get_wmac_data(0); |
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300 | if (!wmac_data) { |
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301 | pr_err("rb75x: unable to get address of wlan data\n"); |
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302 | return; |
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303 | } |
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304 | |||
305 | ap9x_pci_setup_wmac_led_pin(0, 9); |
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306 | |||
307 | err = routerboot_find_tag(hardconfig, RB751_HARDCONFIG_SIZE, |
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308 | RB_ID_WLAN_DATA, &tag, &tag_len); |
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309 | if (err) { |
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310 | pr_err("rb75x: no calibration data found\n"); |
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311 | return; |
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312 | } |
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313 | |||
314 | err = rle_decode(tag, tag_len, (unsigned char *) wmac_data->eeprom_data, |
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315 | sizeof(wmac_data->eeprom_data), NULL, NULL); |
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316 | if (err) { |
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317 | pr_err("rb75x: unable to decode wlan eeprom data\n"); |
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318 | return; |
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319 | } |
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320 | |||
321 | err = routerboot_find_tag(hardconfig, RB751_HARDCONFIG_SIZE, |
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322 | RB_ID_MAC_ADDRESS_PACK, &mac, &mac_len); |
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323 | if (err) { |
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324 | pr_err("rb75x: no mac address found\n"); |
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325 | return; |
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326 | } |
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327 | |||
328 | ap91_pci_init(NULL, mac); |
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329 | } |
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330 | |||
331 | static void __init rb751_setup(void) |
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332 | { |
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333 | rb750_setup(); |
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334 | ath79_register_usb(); |
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335 | rb751_wlan_setup(); |
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336 | } |
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337 | |||
338 | MIPS_MACHINE(ATH79_MACH_RB_751, "751", "MikroTik RouterBOARD 751", |
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339 | rb751_setup); |
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340 | |||
341 | static void __init rb751g_setup(void) |
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342 | { |
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343 | rb750gr3_setup(); |
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344 | ath79_register_usb(); |
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345 | rb751_wlan_setup(); |
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346 | } |
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347 | |||
348 | MIPS_MACHINE(ATH79_MACH_RB_751G, "751g", "MikroTik RouterBOARD 751G", |
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349 | rb751g_setup); |