1/*  *********************************************************************
2    *  SB1250 Board Support Package
3    *
4    *  L2 Cache Diagnostic			File: diag_l2util.h
5    *
6    *  A diagnostic for the L2 cache.  On pass2 parts, this diag
7    *  will disable portions of the cache as necessary.
8    *
9    *  Author:  Zongbo Chen
10    *
11    *********************************************************************
12    *
13    *  Copyright 2000,2001,2002,2003
14    *  Broadcom Corporation. All rights reserved.
15    *
16    *  This software is furnished under license and may be used and
17    *  copied only in accordance with the following terms and
18    *  conditions.  Subject to these conditions, you may download,
19    *  copy, install, use, modify and distribute modified or unmodified
20    *  copies of this software in source and/or binary form.  No title
21    *  or ownership is transferred hereby.
22    *
23    *  1) Any source code used, modified or distributed must reproduce
24    *     and retain this copyright notice and list of conditions
25    *     as they appear in the source file.
26    *
27    *  2) No right is granted to use any trade name, trademark, or
28    *     logo of Broadcom Corporation.  The "Broadcom Corporation"
29    *     name may not be used to endorse or promote products derived
30    *     from this software without the prior written permission of
31    *     Broadcom Corporation.
32    *
33    *  3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR
34    *     IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED
35    *     WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
36    *     PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT
37    *     SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN
38    *     PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR DIRECT, INDIRECT,
39    *     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
40    *     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
41    *     GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
42    *     BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
43    *     OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
44    *     TORT (INCLUDING NEGLIGENCE OR OTHERWISE), EVEN IF ADVISED OF
45    *     THE POSSIBILITY OF SUCH DAMAGE.
46    ********************************************************************* */
47
48/* l2 physical layout */
49#define L2_BLOCK_ROW_SHIFT	14
50#define L2_BLOCK_SHIFT		13
51#define L2_LINE_SHIFT		5
52#define L2_LINE_ADDRESS_BITS	17	/* XXX */
53#define L2_BLOCKS_PER_ROW	2
54#define L2_BLOCK_ROWS		8
55#define L2_REDUNDANT_LINES_PER_BLOCK 2
56#define L2_LINES_PER_BLOCK	256
57#define L2_INDEX_MASK		0x1fe0
58
59/* management interface */
60#define L2_RAM_BASE_ADDR	0x00D0180000
61
62#if defined(__ASSEMBLER__)
63
64#define L2_MGMT_BASE		0x00d0000000
65#define L2_NWAYS		4
66#define L2_MGMT_WAY_SHIFT	17
67
68#else
69
70#define L2_MGMT_BASE		0x00d0000000L
71#define L2_RAM_BASE_ADDR	0x00D0180000
72#define L2_RAM_ADDR(W,O)	(L2_RAM_BASE_ADDR + ((W)<<17) + ((O)&0x1FFFF))
73#define L2_MGMT_INDEX_SHIFT	5L
74#define L2_NROWS		4096
75#define L2_MGMT_ROW_SHIFT	L2_MGMT_INDEX_SHIFT
76#define L2_MGMT_WAY_SHIFT	17L
77#define L2_MGMT_DIRTY_SHIFT	19
78#define L2_MGMT_VALID_SHIFT     20
79
80
81/* disable ways of the l2 cache */
82#define L2_WAY_DISABLE_NONE	0x0010041F00L
83#define L2_NWAYS		4L
84#define L2_WAY_SHIFT		8L
85#define L2_ENABLE_ALL_WAYS	(*(volatile int *)\
86				 (XKPHYS_PtoUV(L2_WAY_DISABLE_NONE)) = 0)
87#define L2_ENABLE_ONLY1_WAY(x)	(*(volatile int *)\
88				 (XKPHYS_PtoUV(L2_WAY_DISABLE_NONE & \
89                                  (1L << (((x) & 0x3L)+L2_WAY_SHIFT)))) = 0)
90
91#define L2_DISABLE_ONLY1_WAY(x)	(*(volatile int *)\
92				 (XKPHYS_PtoUV(L2_WAY_DISABLE_NONE & \
93		                 (((~(1L << ((x) & 0x3L))) & 0xfL) \
94				  << L2_WAY_SHIFT))) = 0)
95
96typedef unsigned long long addr_t;
97
98/* this structure is used to record lines with errors */
99typedef struct {
100  int block;
101  int block_row;
102  int line;
103} l2_line_error_desc_t;
104
105extern int errors_per_block[L2_BLOCK_ROWS * L2_BLOCKS_PER_ROW];
106
107#endif
108
109