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authorIngo Molnar <mingo@elte.hu>2008-10-11 14:23:20 -0400
committerIngo Molnar <mingo@elte.hu>2008-10-11 14:23:20 -0400
commit0afe2db21394820d32646a695eccf3fbfe6ab5c7 (patch)
tree6d925383f444a242ebc77d167420efb7e6ad8d99 /arch/x86/es7000
parentd84705969f898f294bc3fc32eca33580f14105bd (diff)
parent43603c8df97f246e8be7b9cc92a8f968a85108bd (diff)
Merge branch 'x86/unify-cpu-detect' into x86-v28-for-linus-phase4-D
Conflicts: arch/x86/kernel/cpu/common.c arch/x86/kernel/signal_64.c include/asm-x86/cpufeature.h
Diffstat (limited to 'arch/x86/es7000')
-rw-r--r--arch/x86/es7000/Makefile5
-rw-r--r--arch/x86/es7000/es7000.h114
-rw-r--r--arch/x86/es7000/es7000plat.c262
3 files changed, 0 insertions, 381 deletions
diff --git a/arch/x86/es7000/Makefile b/arch/x86/es7000/Makefile
deleted file mode 100644
index 3ef8b43b62fc..000000000000
--- a/arch/x86/es7000/Makefile
+++ /dev/null
@@ -1,5 +0,0 @@
1#
2# Makefile for the linux kernel.
3#
4
5obj-$(CONFIG_X86_ES7000) := es7000plat.o
diff --git a/arch/x86/es7000/es7000.h b/arch/x86/es7000/es7000.h
deleted file mode 100644
index 4e62f6fa95b8..000000000000
--- a/arch/x86/es7000/es7000.h
+++ /dev/null
@@ -1,114 +0,0 @@
1/*
2 * Written by: Garry Forsgren, Unisys Corporation
3 * Natalie Protasevich, Unisys Corporation
4 * This file contains the code to configure and interface
5 * with Unisys ES7000 series hardware system manager.
6 *
7 * Copyright (c) 2003 Unisys Corporation. All Rights Reserved.
8 *
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of version 2 of the GNU General Public License as
11 * published by the Free Software Foundation.
12 *
13 * This program is distributed in the hope that it would be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
16 *
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write the Free Software Foundation, Inc., 59
19 * Temple Place - Suite 330, Boston MA 02111-1307, USA.
20 *
21 * Contact information: Unisys Corporation, Township Line & Union Meeting
22 * Roads-A, Unisys Way, Blue Bell, Pennsylvania, 19424, or:
23 *
24 * http://www.unisys.com
25 */
26
27/*
28 * ES7000 chipsets
29 */
30
31#define NON_UNISYS 0
32#define ES7000_CLASSIC 1
33#define ES7000_ZORRO 2
34
35
36#define MIP_REG 1
37#define MIP_PSAI_REG 4
38
39#define MIP_BUSY 1
40#define MIP_SPIN 0xf0000
41#define MIP_VALID 0x0100000000000000ULL
42#define MIP_PORT(VALUE) ((VALUE >> 32) & 0xffff)
43
44#define MIP_RD_LO(VALUE) (VALUE & 0xffffffff)
45
46struct mip_reg_info {
47 unsigned long long mip_info;
48 unsigned long long delivery_info;
49 unsigned long long host_reg;
50 unsigned long long mip_reg;
51};
52
53struct part_info {
54 unsigned char type;
55 unsigned char length;
56 unsigned char part_id;
57 unsigned char apic_mode;
58 unsigned long snum;
59 char ptype[16];
60 char sname[64];
61 char pname[64];
62};
63
64struct psai {
65 unsigned long long entry_type;
66 unsigned long long addr;
67 unsigned long long bep_addr;
68};
69
70struct es7000_mem_info {
71 unsigned char type;
72 unsigned char length;
73 unsigned char resv[6];
74 unsigned long long start;
75 unsigned long long size;
76};
77
78struct es7000_oem_table {
79 unsigned long long hdr;
80 struct mip_reg_info mip;
81 struct part_info pif;
82 struct es7000_mem_info shm;
83 struct psai psai;
84};
85
86#ifdef CONFIG_ACPI
87
88struct oem_table {
89 struct acpi_table_header Header;
90 u32 OEMTableAddr;
91 u32 OEMTableSize;
92};
93
94extern int find_unisys_acpi_oem_table(unsigned long *oem_addr);
95#endif
96
97struct mip_reg {
98 unsigned long long off_0;
99 unsigned long long off_8;
100 unsigned long long off_10;
101 unsigned long long off_18;
102 unsigned long long off_20;
103 unsigned long long off_28;
104 unsigned long long off_30;
105 unsigned long long off_38;
106};
107
108#define MIP_SW_APIC 0x1020b
109#define MIP_FUNC(VALUE) (VALUE & 0xff)
110
111extern int parse_unisys_oem (char *oemptr);
112extern void setup_unisys(void);
113extern int es7000_start_cpu(int cpu, unsigned long eip);
114extern void es7000_sw_apic(void);
diff --git a/arch/x86/es7000/es7000plat.c b/arch/x86/es7000/es7000plat.c
deleted file mode 100644
index 7789fde13c3f..000000000000
--- a/arch/x86/es7000/es7000plat.c
+++ /dev/null
@@ -1,262 +0,0 @@
1/*
2 * Written by: Garry Forsgren, Unisys Corporation
3 * Natalie Protasevich, Unisys Corporation
4 * This file contains the code to configure and interface
5 * with Unisys ES7000 series hardware system manager.
6 *
7 * Copyright (c) 2003 Unisys Corporation. All Rights Reserved.
8 *
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of version 2 of the GNU General Public License as
11 * published by the Free Software Foundation.
12 *
13 * This program is distributed in the hope that it would be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
16 *
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write the Free Software Foundation, Inc., 59
19 * Temple Place - Suite 330, Boston MA 02111-1307, USA.
20 *
21 * Contact information: Unisys Corporation, Township Line & Union Meeting
22 * Roads-A, Unisys Way, Blue Bell, Pennsylvania, 19424, or:
23 *
24 * http://www.unisys.com
25 */
26
27#include <linux/module.h>
28#include <linux/types.h>
29#include <linux/kernel.h>
30#include <linux/smp.h>
31#include <linux/string.h>
32#include <linux/spinlock.h>
33#include <linux/errno.h>
34#include <linux/notifier.h>
35#include <linux/reboot.h>
36#include <linux/init.h>
37#include <linux/acpi.h>
38#include <asm/io.h>
39#include <asm/nmi.h>
40#include <asm/smp.h>
41#include <asm/apicdef.h>
42#include "es7000.h"
43#include <mach_mpparse.h>
44
45/*
46 * ES7000 Globals
47 */
48
49static volatile unsigned long *psai = NULL;
50static struct mip_reg *mip_reg;
51static struct mip_reg *host_reg;
52static int mip_port;
53static unsigned long mip_addr, host_addr;
54
55int es7000_plat;
56
57/*
58 * GSI override for ES7000 platforms.
59 */
60
61static unsigned int base;
62
63static int
64es7000_rename_gsi(int ioapic, int gsi)
65{
66 if (es7000_plat == ES7000_ZORRO)
67 return gsi;
68
69 if (!base) {
70 int i;
71 for (i = 0; i < nr_ioapics; i++)
72 base += nr_ioapic_registers[i];
73 }
74
75 if (!ioapic && (gsi < 16))
76 gsi += base;
77 return gsi;
78}
79
80void __init
81setup_unisys(void)
82{
83 /*
84 * Determine the generation of the ES7000 currently running.
85 *
86 * es7000_plat = 1 if the machine is a 5xx ES7000 box
87 * es7000_plat = 2 if the machine is a x86_64 ES7000 box
88 *
89 */
90 if (!(boot_cpu_data.x86 <= 15 && boot_cpu_data.x86_model <= 2))
91 es7000_plat = ES7000_ZORRO;
92 else
93 es7000_plat = ES7000_CLASSIC;
94 ioapic_renumber_irq = es7000_rename_gsi;
95}
96
97/*
98 * Parse the OEM Table
99 */
100
101int __init
102parse_unisys_oem (char *oemptr)
103{
104 int i;
105 int success = 0;
106 unsigned char type, size;
107 unsigned long val;
108 char *tp = NULL;
109 struct psai *psaip = NULL;
110 struct mip_reg_info *mi;
111 struct mip_reg *host, *mip;
112
113 tp = oemptr;
114
115 tp += 8;
116
117 for (i=0; i <= 6; i++) {
118 type = *tp++;
119 size = *tp++;
120 tp -= 2;
121 switch (type) {
122 case MIP_REG:
123 mi = (struct mip_reg_info *)tp;
124 val = MIP_RD_LO(mi->host_reg);
125 host_addr = val;
126 host = (struct mip_reg *)val;
127 host_reg = __va(host);
128 val = MIP_RD_LO(mi->mip_reg);
129 mip_port = MIP_PORT(mi->mip_info);
130 mip_addr = val;
131 mip = (struct mip_reg *)val;
132 mip_reg = __va(mip);
133 pr_debug("es7000_mipcfg: host_reg = 0x%lx \n",
134 (unsigned long)host_reg);
135 pr_debug("es7000_mipcfg: mip_reg = 0x%lx \n",
136 (unsigned long)mip_reg);
137 success++;
138 break;
139 case MIP_PSAI_REG:
140 psaip = (struct psai *)tp;
141 if (tp != NULL) {
142 if (psaip->addr)
143 psai = __va(psaip->addr);
144 else
145 psai = NULL;
146 success++;
147 }
148 break;
149 default:
150 break;
151 }
152 tp += size;
153 }
154
155 if (success < 2) {
156 es7000_plat = NON_UNISYS;
157 } else
158 setup_unisys();
159 return es7000_plat;
160}
161
162#ifdef CONFIG_ACPI
163int __init
164find_unisys_acpi_oem_table(unsigned long *oem_addr)
165{
166 struct acpi_table_header *header = NULL;
167 int i = 0;
168 while (ACPI_SUCCESS(acpi_get_table("OEM1", i++, &header))) {
169 if (!memcmp((char *) &header->oem_id, "UNISYS", 6)) {
170 struct oem_table *t = (struct oem_table *)header;
171 *oem_addr = (unsigned long)__acpi_map_table(t->OEMTableAddr,
172 t->OEMTableSize);
173 return 0;
174 }
175 }
176 return -1;
177}
178#endif
179
180static void
181es7000_spin(int n)
182{
183 int i = 0;
184
185 while (i++ < n)
186 rep_nop();
187}
188
189static int __init
190es7000_mip_write(struct mip_reg *mip_reg)
191{
192 int status = 0;
193 int spin;
194
195 spin = MIP_SPIN;
196 while (((unsigned long long)host_reg->off_38 &
197 (unsigned long long)MIP_VALID) != 0) {
198 if (--spin <= 0) {
199 printk("es7000_mip_write: Timeout waiting for Host Valid Flag");
200 return -1;
201 }
202 es7000_spin(MIP_SPIN);
203 }
204
205 memcpy(host_reg, mip_reg, sizeof(struct mip_reg));
206 outb(1, mip_port);
207
208 spin = MIP_SPIN;
209
210 while (((unsigned long long)mip_reg->off_38 &
211 (unsigned long long)MIP_VALID) == 0) {
212 if (--spin <= 0) {
213 printk("es7000_mip_write: Timeout waiting for MIP Valid Flag");
214 return -1;
215 }
216 es7000_spin(MIP_SPIN);
217 }
218
219 status = ((unsigned long long)mip_reg->off_0 &
220 (unsigned long long)0xffff0000000000ULL) >> 48;
221 mip_reg->off_38 = ((unsigned long long)mip_reg->off_38 &
222 (unsigned long long)~MIP_VALID);
223 return status;
224}
225
226int
227es7000_start_cpu(int cpu, unsigned long eip)
228{
229 unsigned long vect = 0, psaival = 0;
230
231 if (psai == NULL)
232 return -1;
233
234 vect = ((unsigned long)__pa(eip)/0x1000) << 16;
235 psaival = (0x1000000 | vect | cpu);
236
237 while (*psai & 0x1000000)
238 ;
239
240 *psai = psaival;
241
242 return 0;
243
244}
245
246void __init
247es7000_sw_apic(void)
248{
249 if (es7000_plat) {
250 int mip_status;
251 struct mip_reg es7000_mip_reg;
252
253 printk("ES7000: Enabling APIC mode.\n");
254 memset(&es7000_mip_reg, 0, sizeof(struct mip_reg));
255 es7000_mip_reg.off_0 = MIP_SW_APIC;
256 es7000_mip_reg.off_38 = (MIP_VALID);
257 while ((mip_status = es7000_mip_write(&es7000_mip_reg)) != 0)
258 printk("es7000_sw_apic: command failed, status = %x\n",
259 mip_status);
260 return;
261 }
262}
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