ar71xx: add kernel support for the OpenMesh A60 board
[oweals/openwrt.git] / target / linux / ar71xx / files / arch / mips / ath79 / mach-a60.c
1 /*
2  *  OpenMesh A60 support
3  *
4  *  Copyright (C) 2013 Marek Lindner <marek@open-mesh.com>
5  *  Copyright (C) 2014-2017 Sven Eckelmann <sven@open-mesh.com>
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/gpio.h>
13 #include <linux/mtd/mtd.h>
14 #include <linux/mtd/partitions.h>
15 #include <linux/platform_device.h>
16 #include <linux/platform_data/phy-at803x.h>
17
18 #include <asm/mach-ath79/ar71xx_regs.h>
19 #include <asm/mach-ath79/ath79.h>
20
21 #include "common.h"
22 #include "dev-ap9x-pci.h"
23 #include "dev-eth.h"
24 #include "dev-leds-gpio.h"
25 #include "dev-gpio-buttons.h"
26 #include "dev-m25p80.h"
27 #include "dev-wmac.h"
28 #include "machtypes.h"
29 #include "pci.h"
30 #include "dev-usb.h"
31
32 #define A60_GPIO_LED_RED        22
33 #define A60_GPIO_LED_GREEN      23
34 #define A60_GPIO_LED_BLUE       13
35
36 #define A60_GPIO_BTN_RESET      17
37
38 #define A60_KEYS_POLL_INTERVAL  20      /* msecs */
39 #define A60_KEYS_DEBOUNCE_INTERVAL      (3 * A60_KEYS_POLL_INTERVAL)
40
41 #define A60_WMAC_CALDATA_OFFSET 0x1000
42
43 static struct gpio_led a60_leds_gpio[] __initdata = {
44         {
45                 .name           = "a60:red:status",
46                 .gpio           = A60_GPIO_LED_RED,
47         }, {
48                 .name           = "a60:green:status",
49                 .gpio           = A60_GPIO_LED_GREEN,
50         }, {
51                 .name           = "a60:blue:status",
52                 .gpio           = A60_GPIO_LED_BLUE,
53         }
54 };
55
56 static struct gpio_keys_button a60_gpio_keys[] __initdata = {
57         {
58                 .desc           = "Reset button",
59                 .type           = EV_KEY,
60                 .code           = KEY_RESTART,
61                 .debounce_interval = A60_KEYS_DEBOUNCE_INTERVAL,
62                 .gpio           = A60_GPIO_BTN_RESET,
63                 .active_low     = 1,
64         },
65 };
66
67 static struct at803x_platform_data a60_at803x_data = {
68         .disable_smarteee = 1,
69         .enable_rgmii_rx_delay = 1,
70         .enable_rgmii_tx_delay = 1,
71 };
72
73 static struct mdio_board_info a60_mdio0_info[] = {
74         {
75                 .bus_id = "ag71xx-mdio.0",
76                 .phy_addr = 1,
77                 .platform_data = &a60_at803x_data,
78         },
79         {
80                 .bus_id = "ag71xx-mdio.0",
81                 .phy_addr = 2,
82                 .platform_data = &a60_at803x_data,
83         },
84 };
85
86 static void __init a60_setup_qca955x_eth_cfg(u32 mask,
87                                              unsigned int rxd,
88                                              unsigned int rxdv,
89                                              unsigned int txd,
90                                              unsigned int txe)
91 {
92         void __iomem *base;
93         u32 t;
94
95         base = ioremap(QCA955X_GMAC_BASE, QCA955X_GMAC_SIZE);
96
97         t = mask;
98         t |= rxd << QCA955X_ETH_CFG_RXD_DELAY_SHIFT;
99         t |= rxdv << QCA955X_ETH_CFG_RDV_DELAY_SHIFT;
100         t |= txd << QCA955X_ETH_CFG_TXD_DELAY_SHIFT;
101         t |= txe << QCA955X_ETH_CFG_TXE_DELAY_SHIFT;
102
103         __raw_writel(t, base + QCA955X_GMAC_REG_ETH_CFG);
104
105         iounmap(base);
106 }
107
108 static void __init a60_setup_common(void)
109 {
110         u8 *art = (u8 *)KSEG1ADDR(0x1fff0000);
111         u8 mac[6];
112
113         ath79_register_usb();
114
115         ath79_register_m25p80(NULL);
116         ath79_register_gpio_keys_polled(-1, A60_KEYS_POLL_INTERVAL,
117                                         ARRAY_SIZE(a60_gpio_keys),
118                                         a60_gpio_keys);
119
120         ath79_init_mac(mac, art, 0x02);
121         ath79_register_wmac(art + A60_WMAC_CALDATA_OFFSET, mac);
122
123         a60_setup_qca955x_eth_cfg(QCA955X_ETH_CFG_RGMII_EN, 3, 3, 0, 0);
124         ath79_register_mdio(0, 0x0);
125
126         mdiobus_register_board_info(a60_mdio0_info, ARRAY_SIZE(a60_mdio0_info));
127
128         ath79_init_mac(ath79_eth0_data.mac_addr, art, 0x00);
129         ath79_init_mac(ath79_eth1_data.mac_addr, art, 0x01);
130
131         /* GMAC0 is connected to the PHY1 */
132         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
133         ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
134         ath79_eth0_data.phy_mask = BIT(1);
135         ath79_eth0_pll_data.pll_1000 = 0x82000101;
136         ath79_eth0_pll_data.pll_100 = 0x80000101;
137         ath79_eth0_pll_data.pll_10 = 0x80001313;
138         ath79_register_eth(0);
139
140         /* GMAC1 is connected to MDIO1 in SGMII mode */
141         ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_SGMII;
142         ath79_eth1_data.mii_bus_dev = &ath79_mdio0_device.dev;
143         ath79_eth1_data.phy_mask = BIT(2);
144         ath79_eth1_pll_data.pll_1000 = 0x03000101;
145         ath79_eth1_pll_data.pll_100 = 0x80000101;
146         ath79_eth1_pll_data.pll_10 = 0x80001313;
147         ath79_eth1_data.speed = SPEED_1000;
148         ath79_eth1_data.duplex = DUPLEX_FULL;
149         ath79_register_eth(1);
150
151         ath79_register_pci();
152 }
153
154 static void __init a60_setup(void)
155 {
156         ath79_register_leds_gpio(-1, ARRAY_SIZE(a60_leds_gpio), a60_leds_gpio);
157         a60_setup_common();
158 }
159
160 MIPS_MACHINE(ATH79_MACH_A60, "A60", "OpenMesh A60", a60_setup);