patch-2.4.4 linux/include/asm-sh/pci.h

• Lines: 53
• Date: Wed Apr 11 21:24:52 2001
• Orig file: v2.4.3/linux/include/asm-sh/pci.h
• Orig date: Mon Oct 2 11:57:34 2000

diff -u --recursive --new-file v2.4.3/linux/include/asm-sh/pci.h linux/include/asm-sh/pci.h
@@ -7,13 +7,13 @@
    already-configured bus numbers - to be used for buggy BIOSes
    or architectures with incomplete PCI setup by the loader */
 
-#define pcibios_assign_all_busses()	0
+#define pcibios_assign_all_busses()	1
 
 /* These are currently the correct values for the STM overdrive board. 
  * We need some way of setting this on a board specific way, it will 
  * not be the same on other boards I think
  */
-#if 1 /* def CONFIG_SH_OVERDRIVE */
+#if 1 /* def CONFIG_SH_7750_OVERDRIVE || def CONFIG_CPU_SUBTYPE_ST40STB1 */
 #define PCIBIOS_MIN_IO		0x2000
 #define PCIBIOS_MIN_MEM		0x10000000
 #endif
@@ -70,6 +70,8 @@
 static inline dma_addr_t pci_map_single(struct pci_dev *hwdev, void *ptr,
 					size_t size,int directoin)
 {
+  
+        flush_cache_all();
 	return virt_to_bus(ptr);
 }
 
@@ -104,6 +106,7 @@
 static inline int pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg,
 			     int nents,int direction)
 {
+        flush_cache_all();
 	return nents;
 }
 
@@ -145,6 +148,19 @@
 {
 	/* Nothing to do */
 }
+
+
+/* Return whether the given PCI device DMA address mask can
+ * be supported properly.  For example, if your device can
+ * only drive the low 24-bits during PCI bus mastering, then
+ * you would pass 0x00ffffff as the mask to this function.
+ */
+extern inline int pci_dma_supported(struct pci_dev *hwdev, dma_addr_t mask)
+{
+	return 1;
+}
+
+
 
 /* These macros should be used after a pci_map_sg call has been done
  * to get bus addresses of each of the SG entries and their lengths.