patch-2.2.0-pre9 linux/include/asm-i386/lithium.h

• Lines: 41
• Date: Wed Jan 20 10:18:53 1999
• Orig file: v2.2.0-pre8/linux/include/asm-i386/lithium.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.2.0-pre8/linux/include/asm-i386/lithium.h linux/include/asm-i386/lithium.h
@@ -0,0 +1,40 @@
+#ifndef __I386_LITHIUM_H
+#define __I386_LITHIUM_H
+
+/*
+ * Lithium is the I/O ASIC on the SGI 320 and 540 Visual Workstations
+ */
+
+#define	LI_PCI_A_PHYS		0xfc000000	/* Enet is dev 3 */
+#define	LI_PCI_B_PHYS		0xfd000000	/* PIIX4 is here */
+
+/* see set_fixmap() and asm/fixmap.h */
+#define LI_PCIA_VADDR   (fix_to_virt(FIX_LI_PCIA))
+#define LI_PCIB_VADDR   (fix_to_virt(FIX_LI_PCIB))
+
+/* Not a standard PCI? (not in linux/pci.h) */
+#define	LI_PCI_BUSNUM	0x44			/* lo8: primary, hi8: sub */
+#define LI_PCI_INTEN    0x46
+
+/* More special purpose macros... */
+extern __inline void li_pcia_write16(unsigned long reg, unsigned short v)
+{
+	*((volatile unsigned short *)(LI_PCIA_VADDR+reg))=v;
+}
+
+extern __inline unsigned short li_pcia_read16(unsigned long reg)
+{
+	 return *((volatile unsigned short *)(LI_PCIA_VADDR+reg));
+}
+
+extern __inline void li_pcib_write16(unsigned long reg, unsigned short v)
+{
+	*((volatile unsigned short *)(LI_PCIB_VADDR+reg))=v;
+}
+
+extern __inline unsigned short li_pcib_read16(unsigned long reg)
+{
+	return *((volatile unsigned short *)(LI_PCIB_VADDR+reg));
+}
+
+#endif