From 2262cfeef91458b01a1bfe3812ccbbfdf8b82807 Mon Sep 17 00:00:00 2001
From: wdenk <wdenk>
Date: Mon, 18 Nov 2002 00:14:45 +0000
Subject: * Patch by Daniel Engström, 13 Nov 2002:   Add support for i386
 architecture and AMD SC520 board
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* Patch by Pierre Aubert, 12 Nov 2002:
  Add support for DOS filesystem and booting from DOS floppy disk
---
 lib_i386/pci_type1.c | 57 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 lib_i386/pci_type1.c

(limited to 'lib_i386/pci_type1.c')

diff --git a/lib_i386/pci_type1.c b/lib_i386/pci_type1.c
new file mode 100644
index 000000000..e5577e820
--- /dev/null
+++ b/lib_i386/pci_type1.c
@@ -0,0 +1,57 @@
+/*
+ * Support for type PCI configuration cycles.
+ * based on pci_indirect.c
+ *
+ * Copyright (C) 2002 Daniel Engström, Omicron Ceti AB, daniel@omicron.se.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <common.h>
+
+#ifdef CONFIG_PCI
+
+#include <asm/processor.h>
+#include <asm/io.h>
+#include <pci.h>
+
+#define cfg_read(val, addr, type, op)	*val = op((type)(addr))
+#define cfg_write(val, addr, type, op)	op((val), (type *)(addr))
+
+#define TYPE1_PCI_OP(rw, size, type, op, mask)			 \
+static int								 \
+type1_##rw##_config_##size(struct pci_controller *hose, 		 \
+			      pci_dev_t dev, int offset, type val)	 \
+{									 \
+	outl(dev | (offset & 0xfc) | 0x80000000, hose->cfg_addr); 	 \
+	cfg_##rw(val, hose->cfg_data + (offset & mask), type, op);	 \
+	return 0;    					 		 \
+}
+
+
+TYPE1_PCI_OP(read, byte, u8 *, inb, 3)
+TYPE1_PCI_OP(read, word, u16 *, inw, 2)
+TYPE1_PCI_OP(read, dword, u32 *, inl, 0)
+
+TYPE1_PCI_OP(write, byte, u8, outb, 3)
+TYPE1_PCI_OP(write, word, u16, outw, 2)
+TYPE1_PCI_OP(write, dword, u32, outl, 0)
+
+void pci_setup_type1(struct pci_controller* hose, u32 cfg_addr, u32 cfg_data)
+{
+	pci_set_ops(hose,
+		    type1_read_config_byte,
+		    type1_read_config_word,
+		    type1_read_config_dword,
+		    type1_write_config_byte,
+		    type1_write_config_word,
+		    type1_write_config_dword);
+
+	hose->cfg_addr = (unsigned int *) cfg_addr;
+	hose->cfg_data = (unsigned char *) cfg_data;
+}
+
+#endif
-- 
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