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authorDavid Gibson <david@gibson.dropbear.id.au>2005-11-08 21:38:01 -0500
committerPaul Mackerras <paulus@samba.org>2005-11-09 19:24:04 -0500
commit8882a4da1c932c9f311c9f739e6719adea3e25d9 (patch)
tree1cf5e23780468d35305cde874f31c6223693908f /include/asm-powerpc/tce.h
parent584224e4095d8abcf2bef38efacc291be9a44c20 (diff)
[PATCH] powerpc: Move various ppc64 files with no ppc32 equivalent to powerpc
This patch moves a bunch of files from arch/ppc64 and include/asm-ppc64 which have no equivalents in ppc32 code into arch/powerpc and include/asm-powerpc. The file affected are: abs_addr.h compat.h lppaca.h paca.h tce.h cpu_setup_power4.S ioctl32.c firmware.c pacaData.c The only changes apart from the move and corresponding Makefile changes are: - #ifndef/#define in includes updated to _ASM_POWERPC_ form - trailing whitespace removed - comments giving full paths removed - pacaData.c renamed paca.c to remove studlyCaps - Misplaced { moved in lppaca.h Built and booted on POWER5 LPAR (ARCH=powerpc and ARCH=ppc64), built for 32-bit powermac (ARCH=powerpc). Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'include/asm-powerpc/tce.h')
-rw-r--r--include/asm-powerpc/tce.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/include/asm-powerpc/tce.h b/include/asm-powerpc/tce.h
new file mode 100644
index 000000000000..d099d5200f9b
--- /dev/null
+++ b/include/asm-powerpc/tce.h
@@ -0,0 +1,64 @@
1/*
2 * Copyright (C) 2001 Mike Corrigan & Dave Engebretsen, IBM Corporation
3 * Rewrite, cleanup:
4 * Copyright (C) 2004 Olof Johansson <olof@austin.ibm.com>, IBM Corporation
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21#ifndef _ASM_POWERPC_TCE_H
22#define _ASM_POWERPC_TCE_H
23
24/*
25 * Tces come in two formats, one for the virtual bus and a different
26 * format for PCI
27 */
28#define TCE_VB 0
29#define TCE_PCI 1
30
31/* TCE page size is 4096 bytes (1 << 12) */
32
33#define TCE_SHIFT 12
34#define TCE_PAGE_SIZE (1 << TCE_SHIFT)
35#define TCE_PAGE_FACTOR (PAGE_SHIFT - TCE_SHIFT)
36
37
38/* tce_entry
39 * Used by pSeries (SMP) and iSeries/pSeries LPAR, but there it's
40 * abstracted so layout is irrelevant.
41 */
42union tce_entry {
43 unsigned long te_word;
44 struct {
45 unsigned int tb_cacheBits :6; /* Cache hash bits - not used */
46 unsigned int tb_rsvd :6;
47 unsigned long tb_rpn :40; /* Real page number */
48 unsigned int tb_valid :1; /* Tce is valid (vb only) */
49 unsigned int tb_allio :1; /* Tce is valid for all lps (vb only) */
50 unsigned int tb_lpindex :8; /* LpIndex for user of TCE (vb only) */
51 unsigned int tb_pciwr :1; /* Write allowed (pci only) */
52 unsigned int tb_rdwr :1; /* Read allowed (pci), Write allowed (vb) */
53 } te_bits;
54#define te_cacheBits te_bits.tb_cacheBits
55#define te_rpn te_bits.tb_rpn
56#define te_valid te_bits.tb_valid
57#define te_allio te_bits.tb_allio
58#define te_lpindex te_bits.tb_lpindex
59#define te_pciwr te_bits.tb_pciwr
60#define te_rdwr te_bits.tb_rdwr
61};
62
63
64#endif /* _ASM_POWERPC_TCE_H */