OpenWrt – Blame information for rev 4

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4 office 1 /*
2 * TL-WDR4900 v1 board setup
3 *
4 * Copyright (c) 2013 Gabor Juhos <juhosg@openwrt.org>
5 *
6 * Based on:
7 * p1010rdb.c:
8 * P1010RDB Board Setup
9 * Copyright 2011 Freescale Semiconductor Inc.
10 *
11 * This program is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License as published by the
13 * Free Software Foundation; either version 2 of the License, or (at your
14 * option) any later version.
15 */
16  
17 #include <linux/stddef.h>
18 #include <linux/kernel.h>
19 #include <linux/pci.h>
20 #include <linux/delay.h>
21 #include <linux/interrupt.h>
22 #include <linux/of_platform.h>
23 #include <linux/ath9k_platform.h>
24 #include <linux/leds.h>
25  
26 #include <asm/time.h>
27 #include <asm/machdep.h>
28 #include <asm/pci-bridge.h>
29 #include <mm/mmu_decl.h>
30 #include <asm/prom.h>
31 #include <asm/udbg.h>
32 #include <asm/mpic.h>
33  
34 #include <sysdev/fsl_soc.h>
35 #include <sysdev/fsl_pci.h>
36  
37 #include "mpc85xx.h"
38  
39 void __init tl_wdr4900_v1_pic_init(void)
40 {
41 struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN |
42 MPIC_SINGLE_DEST_CPU,
43 0, 256, " OpenPIC ");
44  
45 BUG_ON(mpic == NULL);
46  
47 mpic_init(mpic);
48 }
49  
50 #ifdef CONFIG_PCI
51 static struct gpio_led tl_wdr4900_v1_wmac_leds_gpio[] = {
52 {
53 .name = "tp-link:blue:wps",
54 .gpio = 1,
55 .active_low = 1,
56 },
57 };
58  
59 static struct ath9k_platform_data tl_wdr4900_v1_wmac0_data = {
60 .led_pin = 0,
61 .eeprom_name = "pci_wmac0.eeprom",
62 .leds = tl_wdr4900_v1_wmac_leds_gpio,
63 .num_leds = ARRAY_SIZE(tl_wdr4900_v1_wmac_leds_gpio),
64 };
65  
66 static struct ath9k_platform_data tl_wdr4900_v1_wmac1_data = {
67 .led_pin = 0,
68 .eeprom_name = "pci_wmac1.eeprom",
69 };
70  
71 static void tl_wdr4900_v1_pci_wmac_fixup(struct pci_dev *dev)
72 {
73 if (!machine_is(tl_wdr4900_v1))
74 return;
75  
76 if (dev->bus->number == 1 &&
77 PCI_SLOT(dev->devfn) == 0) {
78 dev->dev.platform_data = &tl_wdr4900_v1_wmac0_data;
79 return;
80 }
81  
82 if (dev->bus->number == 3 &&
83 PCI_SLOT(dev->devfn) == 0 &&
84 dev->device == 0xabcd) {
85 dev->dev.platform_data = &tl_wdr4900_v1_wmac1_data;
86  
87 /*
88 * The PCI header of the AR9381 chip is not programmed
89 * correctly by the bootloader and the device uses wrong
90 * data due to that. Replace the broken values with the
91 * correct ones.
92 */
93 dev->device = 0x30;
94 dev->class = 0x028000;
95  
96 pr_info("pci %s: AR9381 fixup applied\n", pci_name(dev));
97 }
98 }
99  
100 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ATHEROS, PCI_ANY_ID,
101 tl_wdr4900_v1_pci_wmac_fixup);
102 #endif /* CONFIG_PCI */
103  
104 /*
105 * Setup the architecture
106 */
107 static void __init tl_wdr4900_v1_setup_arch(void)
108 {
109 if (ppc_md.progress)
110 ppc_md.progress("tl_wdr4900_v1_setup_arch()", 0);
111  
112 fsl_pci_assign_primary();
113  
114 printk(KERN_INFO "TL-WDR4900 v1 board from TP-Link\n");
115 }
116  
117 machine_arch_initcall(tl_wdr4900_v1, mpc85xx_common_publish_devices);
118 machine_arch_initcall(tl_wdr4900_v1, swiotlb_setup_bus_notifier);
119  
120 /*
121 * Called very early, device-tree isn't unflattened
122 */
123 static int __init tl_wdr4900_v1_probe(void)
124 {
125 unsigned long root = of_get_flat_dt_root();
126  
127 if (of_flat_dt_is_compatible(root, "tplink,tl-wdr4900-v1"))
128 return 1;
129  
130 return 0;
131 }
132  
133 define_machine(tl_wdr4900_v1) {
134 .name = "Freescale P1014",
135 .probe = tl_wdr4900_v1_probe,
136 .setup_arch = tl_wdr4900_v1_setup_arch,
137 .init_IRQ = tl_wdr4900_v1_pic_init,
138 #ifdef CONFIG_PCI
139 .pcibios_fixup_bus = fsl_pcibios_fixup_bus,
140 #endif
141 .get_irq = mpic_get_irq,
142 .calibrate_decr = generic_calibrate_decr,
143 .progress = udbg_progress,
144 };