2 * Sonics Silicon Backplane
3 * Embedded systems support code
5 * Copyright 2005-2008, Broadcom Corporation
6 * Copyright 2006-2008, Michael Buesch <m@bues.ch>
8 * Licensed under the GNU/GPL. See COPYING for details.
11 #include <linux/ssb/ssb.h>
12 #include <linux/ssb/ssb_embedded.h>
13 #include <linux/ssb/ssb_driver_pci.h>
14 #include <linux/ssb/ssb_driver_gige.h>
15 #include <linux/pci.h>
17 #include "ssb_private.h"
20 int ssb_watchdog_timer_set(struct ssb_bus *bus, u32 ticks)
22 if (ssb_chipco_available(&bus->chipco)) {
23 ssb_chipco_watchdog_timer_set(&bus->chipco, ticks);
26 if (ssb_extif_available(&bus->extif)) {
27 ssb_extif_watchdog_timer_set(&bus->extif, ticks);
32 EXPORT_SYMBOL(ssb_watchdog_timer_set);
34 u32 ssb_gpio_in(struct ssb_bus *bus, u32 mask)
39 spin_lock_irqsave(&bus->gpio_lock, flags);
40 if (ssb_chipco_available(&bus->chipco))
41 res = ssb_chipco_gpio_in(&bus->chipco, mask);
42 else if (ssb_extif_available(&bus->extif))
43 res = ssb_extif_gpio_in(&bus->extif, mask);
46 spin_unlock_irqrestore(&bus->gpio_lock, flags);
50 EXPORT_SYMBOL(ssb_gpio_in);
52 u32 ssb_gpio_out(struct ssb_bus *bus, u32 mask, u32 value)
57 spin_lock_irqsave(&bus->gpio_lock, flags);
58 if (ssb_chipco_available(&bus->chipco))
59 res = ssb_chipco_gpio_out(&bus->chipco, mask, value);
60 else if (ssb_extif_available(&bus->extif))
61 res = ssb_extif_gpio_out(&bus->extif, mask, value);
64 spin_unlock_irqrestore(&bus->gpio_lock, flags);
68 EXPORT_SYMBOL(ssb_gpio_out);
70 u32 ssb_gpio_outen(struct ssb_bus *bus, u32 mask, u32 value)
75 spin_lock_irqsave(&bus->gpio_lock, flags);
76 if (ssb_chipco_available(&bus->chipco))
77 res = ssb_chipco_gpio_outen(&bus->chipco, mask, value);
78 else if (ssb_extif_available(&bus->extif))
79 res = ssb_extif_gpio_outen(&bus->extif, mask, value);
82 spin_unlock_irqrestore(&bus->gpio_lock, flags);
86 EXPORT_SYMBOL(ssb_gpio_outen);
88 u32 ssb_gpio_control(struct ssb_bus *bus, u32 mask, u32 value)
93 spin_lock_irqsave(&bus->gpio_lock, flags);
94 if (ssb_chipco_available(&bus->chipco))
95 res = ssb_chipco_gpio_control(&bus->chipco, mask, value);
96 spin_unlock_irqrestore(&bus->gpio_lock, flags);
100 EXPORT_SYMBOL(ssb_gpio_control);
102 u32 ssb_gpio_intmask(struct ssb_bus *bus, u32 mask, u32 value)
107 spin_lock_irqsave(&bus->gpio_lock, flags);
108 if (ssb_chipco_available(&bus->chipco))
109 res = ssb_chipco_gpio_intmask(&bus->chipco, mask, value);
110 else if (ssb_extif_available(&bus->extif))
111 res = ssb_extif_gpio_intmask(&bus->extif, mask, value);
114 spin_unlock_irqrestore(&bus->gpio_lock, flags);
118 EXPORT_SYMBOL(ssb_gpio_intmask);
120 u32 ssb_gpio_polarity(struct ssb_bus *bus, u32 mask, u32 value)
125 spin_lock_irqsave(&bus->gpio_lock, flags);
126 if (ssb_chipco_available(&bus->chipco))
127 res = ssb_chipco_gpio_polarity(&bus->chipco, mask, value);
128 else if (ssb_extif_available(&bus->extif))
129 res = ssb_extif_gpio_polarity(&bus->extif, mask, value);
132 spin_unlock_irqrestore(&bus->gpio_lock, flags);
136 EXPORT_SYMBOL(ssb_gpio_polarity);
138 #ifdef CONFIG_SSB_DRIVER_GIGE
139 static int gige_pci_init_callback(struct ssb_bus *bus, unsigned long data)
141 struct pci_dev *pdev = (struct pci_dev *)data;
142 struct ssb_device *dev;
146 for (i = 0; i < bus->nr_devices; i++) {
147 dev = &(bus->devices[i]);
148 if (dev->id.coreid != SSB_DEV_ETHERNET_GBIT)
152 !device_is_registered(dev->dev))
154 res = ssb_gige_pcibios_plat_dev_init(dev, pdev);
161 #endif /* CONFIG_SSB_DRIVER_GIGE */
163 int ssb_pcibios_plat_dev_init(struct pci_dev *dev)
167 err = ssb_pcicore_plat_dev_init(dev);
170 #ifdef CONFIG_SSB_DRIVER_GIGE
171 err = ssb_for_each_bus_call((unsigned long)dev, gige_pci_init_callback);
175 /* This is not a PCI device on any SSB device. */
180 #ifdef CONFIG_SSB_DRIVER_GIGE
181 static int gige_map_irq_callback(struct ssb_bus *bus, unsigned long data)
183 const struct pci_dev *pdev = (const struct pci_dev *)data;
184 struct ssb_device *dev;
188 for (i = 0; i < bus->nr_devices; i++) {
189 dev = &(bus->devices[i]);
190 if (dev->id.coreid != SSB_DEV_ETHERNET_GBIT)
194 !device_is_registered(dev->dev))
196 res = ssb_gige_map_irq(dev, pdev);
203 #endif /* CONFIG_SSB_DRIVER_GIGE */
205 int ssb_pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
209 /* Check if this PCI device is a device on a SSB bus or device
210 * and return the IRQ number for it. */
212 res = ssb_pcicore_pcibios_map_irq(dev, slot, pin);
215 #ifdef CONFIG_SSB_DRIVER_GIGE
216 res = ssb_for_each_bus_call((unsigned long)dev, gige_map_irq_callback);
220 /* This is not a PCI device on any SSB device. */