2 * AirTight Networks C-60 board support
4 * Copyright (C) 2016 Christian Lamparter <chunkeey@googlemail.com>
6 * Based on AirTight Networks C-55 board support
8 * Copyright (C) 2014-2015 Chris Blake <chrisrblake93@gmail.com>
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License version 2 as published
12 * by the Free Software Foundation.
15 #include <linux/version.h>
16 #include <linux/pci.h>
17 #include <linux/phy.h>
18 #include <linux/mtd/mtd.h>
19 #if LINUX_VERSION_CODE < KERNEL_VERSION(4,14,0)
20 #include <linux/mtd/nand.h>
22 #include <linux/mtd/rawnand.h>
24 #include <linux/mtd/partitions.h>
25 #include <linux/mtd/physmap.h>
26 #include <linux/platform_device.h>
27 #include <linux/platform/ar934x_nfc.h>
28 #include <linux/ar8216_platform.h>
29 #include <linux/ath9k_platform.h>
30 #include <linux/version.h>
32 #include <asm/mach-ath79/ar71xx_regs.h>
36 #include "dev-ap9x-pci.h"
38 #include "dev-gpio-buttons.h"
39 #include "dev-leds-gpio.h"
40 #include "dev-m25p80.h"
45 #include "machtypes.h"
47 #define C60_GPIO_LED_PWR_AMBER 11
48 #define C60_GPIO_LED_WLAN2_GREEN 12
49 #define C60_GPIO_LED_WLAN2_AMBER 13
50 #define C60_GPIO_LED_PWR_GREEN 16
52 #define C60_GPIO_BTN_RESET 17
54 /* GPIOs of the AR9300 PCIe chip */
55 #define C60_GPIO_WMAC_LED_WLAN1_AMBER 0
56 #define C60_GPIO_WMAC_LED_WLAN1_GREEN 3
58 #define C60_KEYS_POLL_INTERVAL 20 /* msecs */
59 #define C60_KEYS_DEBOUNCE_INTERVAL (3 * C60_KEYS_POLL_INTERVAL)
61 #define C60_ART_ADDR 0x1f7f0000
62 #define C60_ART_SIZE 0xffff
63 #define C60_MAC_OFFSET 0
64 #define C60_WMAC_CALDATA_OFFSET 0x1000
65 #define C60_PCIE_CALDATA_OFFSET 0x5000
67 static struct gpio_led c60_leds_gpio
[] __initdata
= {
69 .name
= "c-60:amber:pwr",
70 .gpio
= C60_GPIO_LED_PWR_AMBER
,
74 .name
= "c-60:green:pwr",
75 .gpio
= C60_GPIO_LED_PWR_GREEN
,
79 .name
= "c-60:green:wlan2",
80 .gpio
= C60_GPIO_LED_WLAN2_GREEN
,
84 .name
= "c-60:amber:wlan2",
85 .gpio
= C60_GPIO_LED_WLAN2_AMBER
,
90 static struct gpio_keys_button c60_gpio_keys
[] __initdata
= {
92 .desc
= "Reset button",
95 .debounce_interval
= C60_KEYS_DEBOUNCE_INTERVAL
,
96 .gpio
= C60_GPIO_BTN_RESET
,
101 static struct ar8327_pad_cfg c60_ar8327_pad0_cfg
= {
102 .mode
= AR8327_PAD_MAC_RGMII
,
103 .txclk_delay_en
= true,
104 .rxclk_delay_en
= true,
105 .txclk_delay_sel
= AR8327_CLK_DELAY_SEL1
,
106 .rxclk_delay_sel
= AR8327_CLK_DELAY_SEL2
,
109 static struct ar8327_platform_data c60_ar8327_data
= {
110 .pad0_cfg
= &c60_ar8327_pad0_cfg
,
113 .speed
= AR8327_PORT_SPEED_1000
,
120 static struct mdio_board_info c60_mdio0_info
[] = {
122 .bus_id
= "ag71xx-mdio.0",
124 .platform_data
= &c60_ar8327_data
,
128 #if LINUX_VERSION_CODE < KERNEL_VERSION(4,6,0)
129 static struct nand_ecclayout c60_nand_ecclayout
= {
131 .eccpos
= { 4, 8, 9, 10, 13, 14, 15 },
133 .oobfree
= { { 0, 3 }, { 6, 2 }, { 11, 2 }, }
138 static int c60_ooblayout_ecc(struct mtd_info
*mtd
, int section
,
139 struct mtd_oob_region
*oobregion
)
143 oobregion
->offset
= 4;
144 oobregion
->length
= 1;
147 oobregion
->offset
= 8;
148 oobregion
->length
= 3;
151 oobregion
->offset
= 13;
152 oobregion
->length
= 3;
159 static int c60_ooblayout_free(struct mtd_info
*mtd
, int section
,
160 struct mtd_oob_region
*oobregion
)
164 oobregion
->offset
= 0;
165 oobregion
->length
= 3;
168 oobregion
->offset
= 6;
169 oobregion
->length
= 2;
172 oobregion
->offset
= 11;
173 oobregion
->length
= 2;
180 static const struct mtd_ooblayout_ops c60_nand_ecclayout_ops
= {
181 .ecc
= c60_ooblayout_ecc
,
182 .free
= c60_ooblayout_free
,
186 static int c60_nand_scan_fixup(struct mtd_info
*mtd
)
188 #if LINUX_VERSION_CODE < KERNEL_VERSION(4,6,0)
189 struct nand_chip
*chip
= mtd
->priv
;
191 struct nand_chip
*chip
= mtd_to_nand(mtd
);
194 chip
->ecc
.size
= 512;
195 chip
->ecc
.strength
= 4;
196 #if LINUX_VERSION_CODE < KERNEL_VERSION(4,6,0)
197 chip
->ecc
.layout
= &c60_nand_ecclayout
;
199 mtd_set_ooblayout(mtd
, &c60_nand_ecclayout_ops
);
204 static struct gpio_led c60_wmac0_leds_gpio
[] = {
206 .name
= "c-60:amber:wlan1",
207 .gpio
= C60_GPIO_WMAC_LED_WLAN1_AMBER
,
211 .name
= "c-60:green:wlan1",
212 .gpio
= C60_GPIO_WMAC_LED_WLAN1_GREEN
,
217 static void __init
c60_setup(void)
220 u8
*art
= (u8
*) KSEG1ADDR(C60_ART_ADDR
);
223 ath79_nfc_set_ecc_mode(AR934X_NFC_ECC_SOFT_BCH
);
224 ath79_nfc_set_scan_fixup(c60_nand_scan_fixup
);
225 ath79_register_nfc();
228 ath79_register_m25p80(NULL
);
230 /* AR8327 Switch Ethernet */
232 ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0
);
234 mdiobus_register_board_info(c60_mdio0_info
,
235 ARRAY_SIZE(c60_mdio0_info
));
237 ath79_register_mdio(0, 0x0);
239 /* GMAC0 is connected to an AR8327N switch */
240 ath79_init_mac(ath79_eth0_data
.mac_addr
, art
+ C60_MAC_OFFSET
, 0);
241 ath79_eth0_data
.phy_if_mode
= PHY_INTERFACE_MODE_RGMII
;
242 ath79_eth0_data
.phy_mask
= BIT(0);
243 ath79_eth0_data
.mii_bus_dev
= &ath79_mdio0_device
.dev
;
244 ath79_eth0_pll_data
.pll_1000
= 0x06000000;
245 ath79_register_eth(0);
248 ath79_register_leds_gpio(-1, ARRAY_SIZE(c60_leds_gpio
),
250 ath79_register_gpio_keys_polled(-1, C60_KEYS_POLL_INTERVAL
,
251 ARRAY_SIZE(c60_gpio_keys
),
253 ap9x_pci_setup_wmac_leds(0, c60_wmac0_leds_gpio
,
254 ARRAY_SIZE(c60_wmac0_leds_gpio
));
256 ath79_register_usb();
259 ath79_init_mac(tmpmac
, art
+ C60_MAC_OFFSET
, 1);
260 ap91_pci_init(art
+ C60_PCIE_CALDATA_OFFSET
, tmpmac
);
261 ath79_init_mac(tmpmac
, art
+ C60_MAC_OFFSET
, 2);
262 ath79_register_wmac(art
+ C60_WMAC_CALDATA_OFFSET
, tmpmac
);
264 MIPS_MACHINE(ATH79_MACH_C60
, "C-60", "AirTight Networks C-60",