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authorStephen Rothwell <sfr@canb.auug.org.au>2005-09-27 12:59:19 -0400
committerStephen Rothwell <sfr@canb.auug.org.au>2005-09-27 12:59:19 -0400
commitda3420fcd62a8967c14a586355e322253a1504a8 (patch)
tree0aab4d1578097b098f580af3b5d30b88395eddfd /arch/ppc64/kernel/iSeries_VpdInfo.c
parentcb4cf8056ead24ef0595859952319e2a608d5e07 (diff)
powerpc: Move iSeries_VpdInfo.c to powerpc/platforms/iseries
And rename it to vpdinfo.c. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Diffstat (limited to 'arch/ppc64/kernel/iSeries_VpdInfo.c')
-rw-r--r--arch/ppc64/kernel/iSeries_VpdInfo.c268
1 files changed, 0 insertions, 268 deletions
diff --git a/arch/ppc64/kernel/iSeries_VpdInfo.c b/arch/ppc64/kernel/iSeries_VpdInfo.c
deleted file mode 100644
index 5d921792571f..000000000000
--- a/arch/ppc64/kernel/iSeries_VpdInfo.c
+++ /dev/null
@@ -1,268 +0,0 @@
1/*
2 * File iSeries_vpdInfo.c created by Allan Trautman on Fri Feb 2 2001.
3 *
4 * This code gets the card location of the hardware
5 * Copyright (C) 2001 <Allan H Trautman> <IBM Corp>
6 * Copyright (C) 2005 Stephen Rothwel, IBM Corp
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the:
20 * Free Software Foundation, Inc.,
21 * 59 Temple Place, Suite 330,
22 * Boston, MA 02111-1307 USA
23 *
24 * Change Activity:
25 * Created, Feb 2, 2001
26 * Ported to ppc64, August 20, 2001
27 * End Change Activity
28 */
29#include <linux/init.h>
30#include <linux/module.h>
31#include <linux/pci.h>
32#include <asm/types.h>
33#include <asm/resource.h>
34
35#include <asm/iSeries/HvCallPci.h>
36#include <asm/iSeries/HvTypes.h>
37#include <asm/iSeries/iSeries_pci.h>
38
39/*
40 * Size of Bus VPD data
41 */
42#define BUS_VPDSIZE 1024
43
44/*
45 * Bus Vpd Tags
46 */
47#define VpdEndOfAreaTag 0x79
48#define VpdIdStringTag 0x82
49#define VpdVendorAreaTag 0x84
50
51/*
52 * Mfg Area Tags
53 */
54#define VpdFruFrameId 0x4649 // "FI"
55#define VpdSlotMapFormat 0x4D46 // "MF"
56#define VpdSlotMap 0x534D // "SM"
57
58/*
59 * Structures of the areas
60 */
61struct MfgVpdAreaStruct {
62 u16 Tag;
63 u8 TagLength;
64 u8 AreaData1;
65 u8 AreaData2;
66};
67typedef struct MfgVpdAreaStruct MfgArea;
68#define MFG_ENTRY_SIZE 3
69
70struct SlotMapStruct {
71 u8 AgentId;
72 u8 SecondaryAgentId;
73 u8 PhbId;
74 char CardLocation[3];
75 char Parms[8];
76 char Reserved[2];
77};
78typedef struct SlotMapStruct SlotMap;
79#define SLOT_ENTRY_SIZE 16
80
81/*
82 * Parse the Slot Area
83 */
84static void __init iSeries_Parse_SlotArea(SlotMap *MapPtr, int MapLen,
85 HvAgentId agent, u8 *PhbId, char card[4])
86{
87 int SlotMapLen = MapLen;
88 SlotMap *SlotMapPtr = MapPtr;
89
90 /*
91 * Parse Slot label until we find the one requested
92 */
93 while (SlotMapLen > 0) {
94 if (SlotMapPtr->AgentId == agent) {
95 /*
96 * If Phb wasn't found, grab the entry first one found.
97 */
98 if (*PhbId == 0xff)
99 *PhbId = SlotMapPtr->PhbId;
100 /* Found it, extract the data. */
101 if (SlotMapPtr->PhbId == *PhbId) {
102 memcpy(card, &SlotMapPtr->CardLocation, 3);
103 card[3] = 0;
104 break;
105 }
106 }
107 /* Point to the next Slot */
108 SlotMapPtr = (SlotMap *)((char *)SlotMapPtr + SLOT_ENTRY_SIZE);
109 SlotMapLen -= SLOT_ENTRY_SIZE;
110 }
111}
112
113/*
114 * Parse the Mfg Area
115 */
116static void __init iSeries_Parse_MfgArea(u8 *AreaData, int AreaLen,
117 HvAgentId agent, u8 *PhbId,
118 u8 *frame, char card[4])
119{
120 MfgArea *MfgAreaPtr = (MfgArea *)AreaData;
121 int MfgAreaLen = AreaLen;
122 u16 SlotMapFmt = 0;
123
124 /* Parse Mfg Data */
125 while (MfgAreaLen > 0) {
126 int MfgTagLen = MfgAreaPtr->TagLength;
127 /* Frame ID (FI 4649020310 ) */
128 if (MfgAreaPtr->Tag == VpdFruFrameId) /* FI */
129 *frame = MfgAreaPtr->AreaData1;
130 /* Slot Map Format (MF 4D46020004 ) */
131 else if (MfgAreaPtr->Tag == VpdSlotMapFormat) /* MF */
132 SlotMapFmt = (MfgAreaPtr->AreaData1 * 256)
133 + MfgAreaPtr->AreaData2;
134 /* Slot Map (SM 534D90 */
135 else if (MfgAreaPtr->Tag == VpdSlotMap) { /* SM */
136 SlotMap *SlotMapPtr;
137
138 if (SlotMapFmt == 0x1004)
139 SlotMapPtr = (SlotMap *)((char *)MfgAreaPtr
140 + MFG_ENTRY_SIZE + 1);
141 else
142 SlotMapPtr = (SlotMap *)((char *)MfgAreaPtr
143 + MFG_ENTRY_SIZE);
144 iSeries_Parse_SlotArea(SlotMapPtr, MfgTagLen,
145 agent, PhbId, card);
146 }
147 /*
148 * Point to the next Mfg Area
149 * Use defined size, sizeof give wrong answer
150 */
151 MfgAreaPtr = (MfgArea *)((char *)MfgAreaPtr + MfgTagLen
152 + MFG_ENTRY_SIZE);
153 MfgAreaLen -= (MfgTagLen + MFG_ENTRY_SIZE);
154 }
155}
156
157/*
158 * Look for "BUS".. Data is not Null terminated.
159 * PHBID of 0xFF indicates PHB was not found in VPD Data.
160 */
161static int __init iSeries_Parse_PhbId(u8 *AreaPtr, int AreaLength)
162{
163 u8 *PhbPtr = AreaPtr;
164 int DataLen = AreaLength;
165 char PhbId = 0xFF;
166
167 while (DataLen > 0) {
168 if ((*PhbPtr == 'B') && (*(PhbPtr + 1) == 'U')
169 && (*(PhbPtr + 2) == 'S')) {
170 PhbPtr += 3;
171 while (*PhbPtr == ' ')
172 ++PhbPtr;
173 PhbId = (*PhbPtr & 0x0F);
174 break;
175 }
176 ++PhbPtr;
177 --DataLen;
178 }
179 return PhbId;
180}
181
182/*
183 * Parse out the VPD Areas
184 */
185static void __init iSeries_Parse_Vpd(u8 *VpdData, int VpdDataLen,
186 HvAgentId agent, u8 *frame, char card[4])
187{
188 u8 *TagPtr = VpdData;
189 int DataLen = VpdDataLen - 3;
190 u8 PhbId;
191
192 while ((*TagPtr != VpdEndOfAreaTag) && (DataLen > 0)) {
193 int AreaLen = *(TagPtr + 1) + (*(TagPtr + 2) * 256);
194 u8 *AreaData = TagPtr + 3;
195
196 if (*TagPtr == VpdIdStringTag)
197 PhbId = iSeries_Parse_PhbId(AreaData, AreaLen);
198 else if (*TagPtr == VpdVendorAreaTag)
199 iSeries_Parse_MfgArea(AreaData, AreaLen,
200 agent, &PhbId, frame, card);
201 /* Point to next Area. */
202 TagPtr = AreaData + AreaLen;
203 DataLen -= AreaLen;
204 }
205}
206
207static void __init iSeries_Get_Location_Code(u16 bus, HvAgentId agent,
208 u8 *frame, char card[4])
209{
210 int BusVpdLen = 0;
211 u8 *BusVpdPtr = kmalloc(BUS_VPDSIZE, GFP_KERNEL);
212
213 if (BusVpdPtr == NULL) {
214 printk("PCI: Bus VPD Buffer allocation failure.\n");
215 return;
216 }
217 BusVpdLen = HvCallPci_getBusVpd(bus, ISERIES_HV_ADDR(BusVpdPtr),
218 BUS_VPDSIZE);
219 if (BusVpdLen == 0) {
220 printk("PCI: Bus VPD Buffer zero length.\n");
221 goto out_free;
222 }
223 /* printk("PCI: BusVpdPtr: %p, %d\n",BusVpdPtr, BusVpdLen); */
224 /* Make sure this is what I think it is */
225 if (*BusVpdPtr != VpdIdStringTag) { /* 0x82 */
226 printk("PCI: Bus VPD Buffer missing starting tag.\n");
227 goto out_free;
228 }
229 iSeries_Parse_Vpd(BusVpdPtr, BusVpdLen, agent, frame, card);
230out_free:
231 kfree(BusVpdPtr);
232}
233
234/*
235 * Prints the device information.
236 * - Pass in pci_dev* pointer to the device.
237 * - Pass in the device count
238 *
239 * Format:
240 * PCI: Bus 0, Device 26, Vendor 0x12AE Frame 1, Card C10 Ethernet
241 * controller
242 */
243void __init iSeries_Device_Information(struct pci_dev *PciDev, int count)
244{
245 struct iSeries_Device_Node *DevNode = PciDev->sysdata;
246 u16 bus;
247 u8 frame;
248 char card[4];
249 HvSubBusNumber subbus;
250 HvAgentId agent;
251
252 if (DevNode == NULL) {
253 printk("%d. PCI: iSeries_Device_Information DevNode is NULL\n",
254 count);
255 return;
256 }
257
258 bus = ISERIES_BUS(DevNode);
259 subbus = ISERIES_SUBBUS(DevNode);
260 agent = ISERIES_PCI_AGENTID(ISERIES_GET_DEVICE_FROM_SUBBUS(subbus),
261 ISERIES_GET_FUNCTION_FROM_SUBBUS(subbus));
262 iSeries_Get_Location_Code(bus, agent, &frame, card);
263
264 printk("%d. PCI: Bus%3d, Device%3d, Vendor %04X Frame%3d, Card %4s ",
265 count, bus, PCI_SLOT(PciDev->devfn), PciDev->vendor,
266 frame, card);
267 printk("0x%04X\n", (int)(PciDev->class >> 8));
268}
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