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authorThomas Gleixner <tglx@linutronix.de>2007-10-11 05:16:50 -0400
committerThomas Gleixner <tglx@linutronix.de>2007-10-11 05:16:50 -0400
commit334e621a01f86d5bc25e4f742e1eaae6e2d2a97a (patch)
tree2cb790c1d57006900358bd2d3478a357860cde30 /arch/i386
parentd629e03b64c469245ceb07d05460e1e2eefa7585 (diff)
i386: move mach-es7000
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/i386')
-rw-r--r--arch/i386/Makefile2
-rw-r--r--arch/i386/mach-es7000/Makefile6
-rw-r--r--arch/i386/mach-es7000/es7000.h114
-rw-r--r--arch/i386/mach-es7000/es7000plat.c327
4 files changed, 1 insertions, 448 deletions
diff --git a/arch/i386/Makefile b/arch/i386/Makefile
index 223c5e252ec1..c462803a4db2 100644
--- a/arch/i386/Makefile
+++ b/arch/i386/Makefile
@@ -91,7 +91,7 @@ core-$(CONFIG_X86_GENERICARCH) += arch/x86/mach-generic/
91# ES7000 subarch support 91# ES7000 subarch support
92mflags-$(CONFIG_X86_ES7000) := -Iinclude/asm-i386/mach-es7000 92mflags-$(CONFIG_X86_ES7000) := -Iinclude/asm-i386/mach-es7000
93mcore-$(CONFIG_X86_ES7000) := arch/x86/mach-default 93mcore-$(CONFIG_X86_ES7000) := arch/x86/mach-default
94core-$(CONFIG_X86_ES7000) := arch/i386/mach-es7000/ 94core-$(CONFIG_X86_ES7000) := arch/x86/mach-es7000/
95 95
96# Xen paravirtualization support 96# Xen paravirtualization support
97core-$(CONFIG_XEN) += arch/i386/xen/ 97core-$(CONFIG_XEN) += arch/i386/xen/
diff --git a/arch/i386/mach-es7000/Makefile b/arch/i386/mach-es7000/Makefile
deleted file mode 100644
index 69dd4da218dc..000000000000
--- a/arch/i386/mach-es7000/Makefile
+++ /dev/null
@@ -1,6 +0,0 @@
1#
2# Makefile for the linux kernel.
3#
4
5obj-$(CONFIG_X86_ES7000) := es7000plat.o
6obj-$(CONFIG_X86_GENERICARCH) := es7000plat.o
diff --git a/arch/i386/mach-es7000/es7000.h b/arch/i386/mach-es7000/es7000.h
deleted file mode 100644
index c8d5aa132fa0..000000000000
--- a/arch/i386/mach-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/i386/mach-es7000/es7000plat.c b/arch/i386/mach-es7000/es7000plat.c
deleted file mode 100644
index ab99072d3f9a..000000000000
--- a/arch/i386/mach-es7000/es7000plat.c
+++ /dev/null
@@ -1,327 +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
49volatile unsigned long *psai = NULL;
50struct mip_reg *mip_reg;
51struct mip_reg *host_reg;
52int mip_port;
53unsigned long mip_addr, host_addr;
54
55/*
56 * GSI override for ES7000 platforms.
57 */
58
59static unsigned int base;
60
61static int
62es7000_rename_gsi(int ioapic, int gsi)
63{
64 if (es7000_plat == ES7000_ZORRO)
65 return gsi;
66
67 if (!base) {
68 int i;
69 for (i = 0; i < nr_ioapics; i++)
70 base += nr_ioapic_registers[i];
71 }
72
73 if (!ioapic && (gsi < 16))
74 gsi += base;
75 return gsi;
76}
77
78void __init
79setup_unisys(void)
80{
81 /*
82 * Determine the generation of the ES7000 currently running.
83 *
84 * es7000_plat = 1 if the machine is a 5xx ES7000 box
85 * es7000_plat = 2 if the machine is a x86_64 ES7000 box
86 *
87 */
88 if (!(boot_cpu_data.x86 <= 15 && boot_cpu_data.x86_model <= 2))
89 es7000_plat = ES7000_ZORRO;
90 else
91 es7000_plat = ES7000_CLASSIC;
92 ioapic_renumber_irq = es7000_rename_gsi;
93}
94
95/*
96 * Parse the OEM Table
97 */
98
99int __init
100parse_unisys_oem (char *oemptr)
101{
102 int i;
103 int success = 0;
104 unsigned char type, size;
105 unsigned long val;
106 char *tp = NULL;
107 struct psai *psaip = NULL;
108 struct mip_reg_info *mi;
109 struct mip_reg *host, *mip;
110
111 tp = oemptr;
112
113 tp += 8;
114
115 for (i=0; i <= 6; i++) {
116 type = *tp++;
117 size = *tp++;
118 tp -= 2;
119 switch (type) {
120 case MIP_REG:
121 mi = (struct mip_reg_info *)tp;
122 val = MIP_RD_LO(mi->host_reg);
123 host_addr = val;
124 host = (struct mip_reg *)val;
125 host_reg = __va(host);
126 val = MIP_RD_LO(mi->mip_reg);
127 mip_port = MIP_PORT(mi->mip_info);
128 mip_addr = val;
129 mip = (struct mip_reg *)val;
130 mip_reg = __va(mip);
131 Dprintk("es7000_mipcfg: host_reg = 0x%lx \n",
132 (unsigned long)host_reg);
133 Dprintk("es7000_mipcfg: mip_reg = 0x%lx \n",
134 (unsigned long)mip_reg);
135 success++;
136 break;
137 case MIP_PSAI_REG:
138 psaip = (struct psai *)tp;
139 if (tp != NULL) {
140 if (psaip->addr)
141 psai = __va(psaip->addr);
142 else
143 psai = NULL;
144 success++;
145 }
146 break;
147 default:
148 break;
149 }
150 tp += size;
151 }
152
153 if (success < 2) {
154 es7000_plat = NON_UNISYS;
155 } else
156 setup_unisys();
157 return es7000_plat;
158}
159
160#ifdef CONFIG_ACPI
161int __init
162find_unisys_acpi_oem_table(unsigned long *oem_addr)
163{
164 struct acpi_table_header *header = NULL;
165 int i = 0;
166 while (ACPI_SUCCESS(acpi_get_table("OEM1", i++, &header))) {
167 if (!memcmp((char *) &header->oem_id, "UNISYS", 6)) {
168 struct oem_table *t = (struct oem_table *)header;
169 *oem_addr = (unsigned long)__acpi_map_table(t->OEMTableAddr,
170 t->OEMTableSize);
171 return 0;
172 }
173 }
174 return -1;
175}
176#endif
177
178/*
179 * This file also gets compiled if CONFIG_X86_GENERICARCH is set. Generic
180 * arch already has got following function definitions (asm-generic/es7000.c)
181 * hence no need to define these for that case.
182 */
183#ifndef CONFIG_X86_GENERICARCH
184void es7000_sw_apic(void);
185void __init enable_apic_mode(void)
186{
187 es7000_sw_apic();
188 return;
189}
190
191__init int mps_oem_check(struct mp_config_table *mpc, char *oem,
192 char *productid)
193{
194 if (mpc->mpc_oemptr) {
195 struct mp_config_oemtable *oem_table =
196 (struct mp_config_oemtable *)mpc->mpc_oemptr;
197 if (!strncmp(oem, "UNISYS", 6))
198 return parse_unisys_oem((char *)oem_table);
199 }
200 return 0;
201}
202#ifdef CONFIG_ACPI
203/* Hook from generic ACPI tables.c */
204int __init acpi_madt_oem_check(char *oem_id, char *oem_table_id)
205{
206 unsigned long oem_addr;
207 if (!find_unisys_acpi_oem_table(&oem_addr)) {
208 if (es7000_check_dsdt())
209 return parse_unisys_oem((char *)oem_addr);
210 else {
211 setup_unisys();
212 return 1;
213 }
214 }
215 return 0;
216}
217#else
218int __init acpi_madt_oem_check(char *oem_id, char *oem_table_id)
219{
220 return 0;
221}
222#endif
223#endif /* COFIG_X86_GENERICARCH */
224
225static void
226es7000_spin(int n)
227{
228 int i = 0;
229
230 while (i++ < n)
231 rep_nop();
232}
233
234static int __init
235es7000_mip_write(struct mip_reg *mip_reg)
236{
237 int status = 0;
238 int spin;
239
240 spin = MIP_SPIN;
241 while (((unsigned long long)host_reg->off_38 &
242 (unsigned long long)MIP_VALID) != 0) {
243 if (--spin <= 0) {
244 printk("es7000_mip_write: Timeout waiting for Host Valid Flag");
245 return -1;
246 }
247 es7000_spin(MIP_SPIN);
248 }
249
250 memcpy(host_reg, mip_reg, sizeof(struct mip_reg));
251 outb(1, mip_port);
252
253 spin = MIP_SPIN;
254
255 while (((unsigned long long)mip_reg->off_38 &
256 (unsigned long long)MIP_VALID) == 0) {
257 if (--spin <= 0) {
258 printk("es7000_mip_write: Timeout waiting for MIP Valid Flag");
259 return -1;
260 }
261 es7000_spin(MIP_SPIN);
262 }
263
264 status = ((unsigned long long)mip_reg->off_0 &
265 (unsigned long long)0xffff0000000000ULL) >> 48;
266 mip_reg->off_38 = ((unsigned long long)mip_reg->off_38 &
267 (unsigned long long)~MIP_VALID);
268 return status;
269}
270
271int
272es7000_start_cpu(int cpu, unsigned long eip)
273{
274 unsigned long vect = 0, psaival = 0;
275
276 if (psai == NULL)
277 return -1;
278
279 vect = ((unsigned long)__pa(eip)/0x1000) << 16;
280 psaival = (0x1000000 | vect | cpu);
281
282 while (*psai & 0x1000000)
283 ;
284
285 *psai = psaival;
286
287 return 0;
288
289}
290
291int
292es7000_stop_cpu(int cpu)
293{
294 int startup;
295
296 if (psai == NULL)
297 return -1;
298
299 startup= (0x1000000 | cpu);
300
301 while ((*psai & 0xff00ffff) != startup)
302 ;
303
304 startup = (*psai & 0xff0000) >> 16;
305 *psai &= 0xffffff;
306
307 return 0;
308
309}
310
311void __init
312es7000_sw_apic()
313{
314 if (es7000_plat) {
315 int mip_status;
316 struct mip_reg es7000_mip_reg;
317
318 printk("ES7000: Enabling APIC mode.\n");
319 memset(&es7000_mip_reg, 0, sizeof(struct mip_reg));
320 es7000_mip_reg.off_0 = MIP_SW_APIC;
321 es7000_mip_reg.off_38 = (MIP_VALID);
322 while ((mip_status = es7000_mip_write(&es7000_mip_reg)) != 0)
323 printk("es7000_sw_apic: command failed, status = %x\n",
324 mip_status);
325 return;
326 }
327}
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