arm: mx6: fix NFC clock get/set routines for i.MX6QP,i.MX6UL

[karo-tx-uboot.git] / include / pci.h

diff --git a/include/pci.h b/include/pci.h
index dce159f27760eddbf116ba12e8e423e1ab1a8a40..e24c9701301bfe2138d457b024d3040e1a03485c 100644 (file)
--- a/include/pci.h
+++ b/include/pci.h
@@ -231,6 +231,8 @@
 #define PCI_MIN_GNT            0x3e    /* 8 bits */
 #define PCI_MAX_LAT            0x3f    /* 8 bits */
 
+#define PCI_INTERRUPT_LINE_DISABLE     0xff
+
 /* Header type 1 (PCI-to-PCI bridges) */
 #define PCI_PRIMARY_BUS                0x18    /* Primary bus number */
 #define PCI_SECONDARY_BUS      0x19    /* Secondary bus number */
@@ -651,6 +653,7 @@ extern pci_addr_t pci_hose_phys_to_bus(struct pci_controller* hose,
 #define pci_io_to_virt(dev, addr, len, map_flags) \
        pci_bus_to_virt((dev), (addr), PCI_REGION_IO, (len), (map_flags))
 
+/* For driver model these are defined in macros in pci_compat.c */
 extern int pci_hose_read_config_byte(struct pci_controller *hose,
                                     pci_dev_t dev, int where, u8 *val);
 extern int pci_hose_read_config_word(struct pci_controller *hose,
@@ -907,6 +910,31 @@ int pci_bus_find_bdf(pci_dev_t bdf, struct udevice **devp);
 int pci_bus_find_devfn(struct udevice *bus, pci_dev_t find_devfn,
                       struct udevice **devp);
 
+/**
+ * pci_find_first_device() - return the first available PCI device
+ *
+ * This function and pci_find_first_device() allow iteration through all
+ * available PCI devices on all buses. Assuming there are any, this will
+ * return the first one.
+ *
+ * @devp:      Set to the first available device, or NULL if no more are left
+ *             or we got an error
+ * @return 0 if all is OK, -ve on error (e.g. a bus/bridge failed to probe)
+ */
+int pci_find_first_device(struct udevice **devp);
+
+/**
+ * pci_find_next_device() - return the next available PCI device
+ *
+ * Finds the next available PCI device after the one supplied, or sets @devp
+ * to NULL if there are no more.
+ *
+ * @devp:      On entry, the last device returned. Set to the next available
+ *             device, or NULL if no more are left or we got an error
+ * @return 0 if all is OK, -ve on error (e.g. a bus/bridge failed to probe)
+ */
+int pci_find_next_device(struct udevice **devp);
+
 /**
  * pci_get_ff() - Returns a mask for the given access size
  *
@@ -986,6 +1014,24 @@ int pci_bus_read_config(struct udevice *bus, pci_dev_t bdf, int offset,
 int pci_bus_write_config(struct udevice *bus, pci_dev_t bdf, int offset,
                         unsigned long value, enum pci_size_t size);
 
+/**
+ * Driver model PCI config access functions. Use these in preference to others
+ * when you have a valid device
+ */
+int dm_pci_read_config(struct udevice *dev, int offset, unsigned long *valuep,
+                      enum pci_size_t size);
+
+int dm_pci_read_config8(struct udevice *dev, int offset, u8 *valuep);
+int dm_pci_read_config16(struct udevice *dev, int offset, u16 *valuep);
+int dm_pci_read_config32(struct udevice *dev, int offset, u32 *valuep);
+
+int dm_pci_write_config(struct udevice *dev, int offset, unsigned long value,
+                       enum pci_size_t size);
+
+int dm_pci_write_config8(struct udevice *dev, int offset, u8 value);
+int dm_pci_write_config16(struct udevice *dev, int offset, u16 value);
+int dm_pci_write_config32(struct udevice *dev, int offset, u32 value);
+
 /*
  * The following functions provide access to the above without needing the
  * size parameter. We are trying to encourage the use of the 8/16/32-style