Release FreeBSD 1.1.5.1release/1.1.5.1_cvsreleng/1

This commit was manufactured to restore the state of the 1.1.5.1-RELEASE image.
Releases prior to 5.3-RELEASE are omitting the secure/ and crypto/ subdirs.

1 files changed, 261 insertions, 0 deletions

diff --git a/sys/i386/pci/pcibios.c b/sys/i386/pci/pcibios.c
new file mode 100644
index 000000000000..049d6e77a057
--- /dev/null
+++ b/sys/i386/pci/pcibios.c
@@ -0,0 +1,261 @@
+/**************************************************************************
+**
+**  $Id: pcibios.c,v 2.0 94/07/10 15:53:31 wolf Rel $
+**
+**  #define   for pci-bus bios functions.
+**
+**-------------------------------------------------------------------------
+**
+**  Copyright (c) 1994	Wolfgang Stanglmeier, Koeln, Germany
+**                             <wolf@dentaro.GUN.de>
+**
+**  This is a beta version - use with care.
+**
+**-------------------------------------------------------------------------
+**
+**  $Log:	pcibios.c,v $
+**  Revision 2.0  94/07/10  15:53:31  wolf
+**  FreeBSD release.
+**  
+**  Revision 1.0  94/06/07  20:02:20  wolf
+**  Beta release.
+**  
+***************************************************************************
+*/
+
+
+#include "types.h"
+#include "i386/isa/isa.h"
+#include "i386/pci/pci.h"
+#include "i386/pci/pcibios.h"
+
+
+extern int printf();
+
+static char pci_mode;
+
+static char ident[] =
+	"\n$Id: pcibios.c,v 2.0 94/07/10 15:53:31 wolf Rel $\n"
+	"Copyright (c) 1994, Wolfgang Stanglmeier\n";
+
+
+/*--------------------------------------------------------------------
+**
+**      Port access
+**
+**--------------------------------------------------------------------
+**
+**      @FREEBSD@    inl() and outl() functions are not defined
+*/
+
+#define	DIRTY
+
+#ifdef DIRTY
+
+#undef inl
+#define inl(port) \
+({ u_long data; \
+	__asm __volatile("inl %1, %0": "=a" (data): "d" ((u_short)(port))); \
+	data; })
+
+
+#undef outl
+#define outl(port, data) \
+{__asm __volatile("outl %0, %1"::"a" ((u_long)(data)), "d" ((u_short)(port)));}
+
+
+#undef inb
+#define inb(port) \
+({ u_char data; \
+	__asm __volatile("inb %1, %0": "=a" (data): "d" ((u_short)(port))); \
+	data; })
+
+
+#undef outb
+#define outb(port, data) \
+{__asm __volatile("outb %0, %1"::"a" ((u_char)(data)), "d" ((u_short)(port)));}
+
+#endif
+
+/*--------------------------------------------------------------------
+**
+**      Determine configuration mode
+**
+**--------------------------------------------------------------------
+*/
+
+
+#define CONF1_ENABLE       0x80000000ul
+#define CONF1_ADDR_PORT    0x0cf8
+#define CONF1_DATA_PORT    0x0cfc
+
+
+#define CONF2_ENABLE_PORT  0x0cf8
+#define CONF2_FORWARD_PORT 0x0cfa
+
+
+int pci_conf_mode (void)
+{
+	u_long result, oldval;
+
+	/*---------------------------------------
+	**      Configuration mode 1 ?
+	**---------------------------------------
+	*/
+
+	oldval = inl (CONF1_ADDR_PORT);
+	outl (CONF1_ADDR_PORT, CONF1_ENABLE);
+	result = inl (CONF1_ADDR_PORT);
+	outl (CONF1_ADDR_PORT, oldval);
+
+	if (result == CONF1_ENABLE) {
+		pci_mode = 1;
+		return (1);
+	};
+
+	/*---------------------------------------
+	**      Configuration mode 2 ?
+	**---------------------------------------
+	*/
+
+	outb (CONF2_ENABLE_PORT,     0);
+	outb (CONF2_FORWARD_PORT, 0);
+	if (!inb (CONF2_ENABLE_PORT) && !inb (CONF2_FORWARD_PORT)) {
+		pci_mode = 2;
+		return (2);
+	};
+
+	/*---------------------------------------
+	**      No PCI bus available.
+	**---------------------------------------
+	*/
+	return (0);
+}
+
+/*--------------------------------------------------------------------
+**
+**      Build a pcitag from bus, device and function number
+**
+**--------------------------------------------------------------------
+*/
+
+
+pcici_t pcitag (unsigned char bus, 
+		unsigned char device,
+		unsigned char func)
+{
+	pcici_t tag;
+
+	tag.cfg1 = 0;
+	if (device >= 32) return tag;
+	if (func   >=  8) return tag;
+
+	switch (pci_mode) {
+
+	case 1:
+		tag.cfg1 = CONF1_ENABLE
+			| (((u_long) bus   ) << 16ul)
+			| (((u_long) device) << 11ul)
+			| (((u_long) func  ) <<  8ul);
+		break;
+	case 2:
+		if (device >= 16) break;
+		tag.cfg2.port    = 0xc000 | (device << 8ul);
+		tag.cfg2.enable  = 0xf1 | (func << 1ul);
+		tag.cfg2.forward = bus;
+		break;
+	};
+	return tag;
+}
+
+/*--------------------------------------------------------------------
+**
+**      Read register from configuration space.
+**
+**--------------------------------------------------------------------
+*/
+
+
+u_long pci_conf_read (pcici_t tag, u_long reg)
+{
+	u_long addr, data = 0;
+
+	if (!tag.cfg1) return (0xfffffffful);
+
+	switch (pci_mode) {
+
+	case 1:
+		addr = tag.cfg1 | reg & 0xfc;
+#ifdef PCI_DEBUG
+		printf ("pci_conf_read(1): addr=%x ", addr);
+#endif
+		outl (CONF1_ADDR_PORT, addr);
+		data = inl (CONF1_DATA_PORT);
+		outl (CONF1_ADDR_PORT, 0   );
+		break;
+
+	case 2:
+		addr = tag.cfg2.port | reg & 0xfc;
+#ifdef PCI_DEBUG
+		printf ("pci_conf_read(2): addr=%x ", addr);
+#endif
+		outb (CONF2_ENABLE_PORT , tag.cfg2.enable );
+		outb (CONF2_FORWARD_PORT, tag.cfg2.forward);
+
+		data = inl ((u_short) addr);
+
+		outb (CONF2_ENABLE_PORT,  0);
+		outb (CONF2_FORWARD_PORT, 0);
+		break;
+	};
+
+#ifdef PCI_DEBUG
+	printf ("data=%x\n", data);
+#endif
+
+	return (data);
+}
+
+/*--------------------------------------------------------------------
+**
+**      Write register into configuration space.
+**
+**--------------------------------------------------------------------
+*/
+
+
+void pci_conf_write (pcici_t tag, u_long reg, u_long data)
+{
+	u_long addr;
+
+	if (!tag.cfg1) return;
+
+	switch (pci_mode) {
+
+	case 1:
+		addr = tag.cfg1 | reg & 0xfc;
+#ifdef PCI_DEBUG
+		printf ("pci_conf_write(1): addr=%x data=%x\n",
+			addr, data);
+#endif
+		outl (CONF1_ADDR_PORT, addr);
+		outl (CONF1_DATA_PORT, data);
+		outl (CONF1_ADDR_PORT,   0 );
+		break;
+
+	case 2:
+		addr = tag.cfg2.port | reg & 0xfc;
+#ifdef PCI_DEBUG
+		printf ("pci_conf_write(2): addr=%x data=%x\n",
+			addr, data);
+#endif
+		outb (CONF2_ENABLE_PORT,  tag.cfg2.enable);
+		outb (CONF2_FORWARD_PORT, tag.cfg2.forward);
+
+		outl ((u_short) addr, data);
+
+		outb (CONF2_ENABLE_PORT,  0);
+		outb (CONF2_FORWARD_PORT, 0);
+		break;
+	};
+}