1 #ifndef LINUX_SSB_DRIVER_GIGE_H_
2 #define LINUX_SSB_DRIVER_GIGE_H_
4 #include <linux/ssb/ssb.h>
6 #include <linux/spinlock.h>
9 #ifdef CONFIG_SSB_DRIVER_GIGE
12 #define SSB_GIGE_PCIIO 0x0000 /* PCI I/O Registers (1024 bytes) */
13 #define SSB_GIGE_RESERVED 0x0400 /* Reserved (1024 bytes) */
14 #define SSB_GIGE_PCICFG 0x0800 /* PCI config space (256 bytes) */
15 #define SSB_GIGE_SHIM_FLUSHSTAT 0x0C00 /* PCI to OCP: Flush status control (32bit) */
16 #define SSB_GIGE_SHIM_FLUSHRDA 0x0C04 /* PCI to OCP: Flush read address (32bit) */
17 #define SSB_GIGE_SHIM_FLUSHTO 0x0C08 /* PCI to OCP: Flush timeout counter (32bit) */
18 #define SSB_GIGE_SHIM_BARRIER 0x0C0C /* PCI to OCP: Barrier register (32bit) */
19 #define SSB_GIGE_SHIM_MAOCPSI 0x0C10 /* PCI to OCP: MaocpSI Control (32bit) */
20 #define SSB_GIGE_SHIM_SIOCPMA 0x0C14 /* PCI to OCP: SiocpMa Control (32bit) */
22 /* TM Status High flags */
23 #define SSB_GIGE_TMSHIGH_RGMII 0x00010000 /* Have an RGMII PHY-bus */
24 /* TM Status Low flags */
25 #define SSB_GIGE_TMSLOW_TXBYPASS 0x00080000 /* TX bypass (no delay) */
26 #define SSB_GIGE_TMSLOW_RXBYPASS 0x00100000 /* RX bypass (no delay) */
27 #define SSB_GIGE_TMSLOW_DLLEN 0x01000000 /* Enable DLL controls */
29 /* Boardflags (low) */
30 #define SSB_GIGE_BFL_ROBOSWITCH 0x0010
33 #define SSB_GIGE_MEM_RES_NAME "SSB Broadcom 47xx GigE memory"
34 #define SSB_GIGE_IO_RES_NAME "SSB Broadcom 47xx GigE I/O"
37 struct ssb_device *dev;
41 /* True, if the device has an RGMII bus.
42 * False, if the device has a GMII bus. */
45 /* The PCI controller device. */
46 struct pci_controller pci_controller;
47 struct pci_ops pci_ops;
48 struct resource mem_resource;
49 struct resource io_resource;
52 /* Check whether a PCI device is a SSB Gigabit Ethernet core. */
53 extern bool pdev_is_ssb_gige_core(struct pci_dev *pdev);
55 /* Convert a pci_dev pointer to a ssb_gige pointer. */
56 static inline struct ssb_gige * pdev_to_ssb_gige(struct pci_dev *pdev)
58 if (!pdev_is_ssb_gige_core(pdev))
60 return container_of(pdev->bus->ops, struct ssb_gige, pci_ops);
63 /* Returns whether the PHY is connected by an RGMII bus. */
64 static inline bool ssb_gige_is_rgmii(struct pci_dev *pdev)
66 struct ssb_gige *dev = pdev_to_ssb_gige(pdev);
67 return (dev ? dev->has_rgmii : 0);
70 /* Returns whether we have a Roboswitch. */
71 static inline bool ssb_gige_have_roboswitch(struct pci_dev *pdev)
73 struct ssb_gige *dev = pdev_to_ssb_gige(pdev);
75 return !!(dev->dev->bus->sprom.boardflags_lo &
76 SSB_GIGE_BFL_ROBOSWITCH);
80 /* Returns whether we can only do one DMA at once. */
81 static inline bool ssb_gige_one_dma_at_once(struct pci_dev *pdev)
83 struct ssb_gige *dev = pdev_to_ssb_gige(pdev);
85 return ((dev->dev->bus->chip_id == 0x4785) &&
86 (dev->dev->bus->chip_rev < 2));
90 /* Returns whether we must flush posted writes. */
91 static inline bool ssb_gige_must_flush_posted_writes(struct pci_dev *pdev)
93 struct ssb_gige *dev = pdev_to_ssb_gige(pdev);
95 return (dev->dev->bus->chip_id == 0x4785);
99 extern char * nvram_get(const char *name);
100 /* Get the device MAC address */
101 static inline void ssb_gige_get_macaddr(struct pci_dev *pdev, u8 *macaddr)
103 #ifdef CONFIG_BCM47XX
104 char *res = nvram_get("et0macaddr");
106 memcpy(macaddr, res, 6);
110 extern int ssb_gige_pcibios_plat_dev_init(struct ssb_device *sdev,
111 struct pci_dev *pdev);
112 extern int ssb_gige_map_irq(struct ssb_device *sdev,
113 const struct pci_dev *pdev);
115 /* The GigE driver is not a standalone module, because we don't have support
116 * for unregistering the driver. So we could not unload the module anyway. */
117 extern int ssb_gige_init(void);
118 static inline void ssb_gige_exit(void)
120 /* Currently we can not unregister the GigE driver,
121 * because we can not unregister the PCI bridge. */
126 #else /* CONFIG_SSB_DRIVER_GIGE */
127 /* Gigabit Ethernet driver disabled */
130 static inline int ssb_gige_pcibios_plat_dev_init(struct ssb_device *sdev,
131 struct pci_dev *pdev)
135 static inline int ssb_gige_map_irq(struct ssb_device *sdev,
136 const struct pci_dev *pdev)
140 static inline int ssb_gige_init(void)
144 static inline void ssb_gige_exit(void)
148 static inline bool pdev_is_ssb_gige_core(struct pci_dev *pdev)
152 static inline struct ssb_gige * pdev_to_ssb_gige(struct pci_dev *pdev)
156 static inline bool ssb_gige_is_rgmii(struct pci_dev *pdev)
160 static inline bool ssb_gige_have_roboswitch(struct pci_dev *pdev)
164 static inline bool ssb_gige_one_dma_at_once(struct pci_dev *pdev)
168 static inline bool ssb_gige_must_flush_posted_writes(struct pci_dev *pdev)
173 #endif /* CONFIG_SSB_DRIVER_GIGE */
174 #endif /* LINUX_SSB_DRIVER_GIGE_H_ */