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-rw-r--r--arch/mips/txx9/generic/Makefile12
-rw-r--r--arch/mips/txx9/generic/dbgio.c48
-rw-r--r--arch/mips/txx9/generic/irq_tx4927.c37
-rw-r--r--arch/mips/txx9/generic/irq_tx4938.c25
-rw-r--r--arch/mips/txx9/generic/mem_tx4927.c141
-rw-r--r--arch/mips/txx9/generic/mem_tx4938.c124
-rw-r--r--arch/mips/txx9/generic/pci.c388
-rw-r--r--arch/mips/txx9/generic/setup.c212
-rw-r--r--arch/mips/txx9/generic/smsc_fdc37m81x.c172
9 files changed, 1159 insertions, 0 deletions
diff --git a/arch/mips/txx9/generic/Makefile b/arch/mips/txx9/generic/Makefile
new file mode 100644
index 000000000000..668fdaad6448
--- /dev/null
+++ b/arch/mips/txx9/generic/Makefile
@@ -0,0 +1,12 @@
1#
2# Makefile for common code for TXx9 based systems
3#
4
5obj-y += setup.o
6obj-$(CONFIG_PCI) += pci.o
7obj-$(CONFIG_SOC_TX4927) += mem_tx4927.o irq_tx4927.o
8obj-$(CONFIG_SOC_TX4938) += mem_tx4938.o irq_tx4938.o
9obj-$(CONFIG_TOSHIBA_FPCIB0) += smsc_fdc37m81x.o
10obj-$(CONFIG_KGDB) += dbgio.o
11
12EXTRA_CFLAGS += -Werror
diff --git a/arch/mips/txx9/generic/dbgio.c b/arch/mips/txx9/generic/dbgio.c
new file mode 100644
index 000000000000..33b9c672a322
--- /dev/null
+++ b/arch/mips/txx9/generic/dbgio.c
@@ -0,0 +1,48 @@
1/*
2 * linux/arch/mips/tx4938/common/dbgio.c
3 *
4 * kgdb interface for gdb
5 *
6 * Author: MontaVista Software, Inc.
7 * source@mvista.com
8 *
9 * Copyright 2005 MontaVista Software Inc.
10 *
11 * This program is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License as published by the
13 * Free Software Foundation; either version 2 of the License, or (at your
14 * option) any later version.
15 *
16 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
24 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
25 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 *
27 * You should have received a copy of the GNU General Public License along
28 * with this program; if not, write to the Free Software Foundation, Inc.,
29 * 675 Mass Ave, Cambridge, MA 02139, USA.
30 *
31 * Support for TX4938 in 2.6 - Hiroshi DOYU <Hiroshi_DOYU@montavista.co.jp>
32 */
33
34#include <linux/types>
35
36extern u8 txx9_sio_kdbg_rd(void);
37extern int txx9_sio_kdbg_wr( u8 ch );
38
39u8 getDebugChar(void)
40{
41 return (txx9_sio_kdbg_rd());
42}
43
44int putDebugChar(u8 byte)
45{
46 return (txx9_sio_kdbg_wr(byte));
47}
48
diff --git a/arch/mips/txx9/generic/irq_tx4927.c b/arch/mips/txx9/generic/irq_tx4927.c
new file mode 100644
index 000000000000..6377bd8a9050
--- /dev/null
+++ b/arch/mips/txx9/generic/irq_tx4927.c
@@ -0,0 +1,37 @@
1/*
2 * Common tx4927 irq handler
3 *
4 * Author: MontaVista Software, Inc.
5 * source@mvista.com
6 *
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; either version 2 of the License, or (at your
9 * option) any later version.
10 *
11 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
12 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
14 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
15 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
16 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
17 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
18 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
19 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
20 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
21 *
22 * You should have received a copy of the GNU General Public License along
23 * with this program; if not, write to the Free Software Foundation, Inc.,
24 * 675 Mass Ave, Cambridge, MA 02139, USA.
25 */
26#include <linux/init.h>
27#include <linux/interrupt.h>
28#include <asm/irq_cpu.h>
29#include <asm/txx9/tx4927.h>
30
31void __init tx4927_irq_init(void)
32{
33 mips_cpu_irq_init();
34 txx9_irq_init(TX4927_IRC_REG);
35 set_irq_chained_handler(MIPS_CPU_IRQ_BASE + TX4927_IRC_INT,
36 handle_simple_irq);
37}
diff --git a/arch/mips/txx9/generic/irq_tx4938.c b/arch/mips/txx9/generic/irq_tx4938.c
new file mode 100644
index 000000000000..5fc86c9c9d2f
--- /dev/null
+++ b/arch/mips/txx9/generic/irq_tx4938.c
@@ -0,0 +1,25 @@
1/*
2 * linux/arch/mips/tx4938/common/irq.c
3 *
4 * Common tx4938 irq handler
5 * Copyright (C) 2000-2001 Toshiba Corporation
6 *
7 * 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the
8 * terms of the GNU General Public License version 2. This program is
9 * licensed "as is" without any warranty of any kind, whether express
10 * or implied.
11 *
12 * Support for TX4938 in 2.6 - Manish Lachwani (mlachwani@mvista.com)
13 */
14#include <linux/init.h>
15#include <linux/interrupt.h>
16#include <asm/irq_cpu.h>
17#include <asm/txx9/tx4938.h>
18
19void __init tx4938_irq_init(void)
20{
21 mips_cpu_irq_init();
22 txx9_irq_init(TX4938_IRC_REG);
23 set_irq_chained_handler(MIPS_CPU_IRQ_BASE + TX4938_IRC_INT,
24 handle_simple_irq);
25}
diff --git a/arch/mips/txx9/generic/mem_tx4927.c b/arch/mips/txx9/generic/mem_tx4927.c
new file mode 100644
index 000000000000..12dfc377bf2f
--- /dev/null
+++ b/arch/mips/txx9/generic/mem_tx4927.c
@@ -0,0 +1,141 @@
1/*
2 * linux/arch/mips/tx4927/common/tx4927_prom.c
3 *
4 * common tx4927 memory interface
5 *
6 * Author: MontaVista Software, Inc.
7 * source@mvista.com
8 *
9 * Copyright 2001-2002 MontaVista Software Inc.
10 *
11 * This program is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License as published by the
13 * Free Software Foundation; either version 2 of the License, or (at your
14 * option) any later version.
15 *
16 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
24 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
25 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 *
27 * You should have received a copy of the GNU General Public License along
28 * with this program; if not, write to the Free Software Foundation, Inc.,
29 * 675 Mass Ave, Cambridge, MA 02139, USA.
30 */
31
32#include <linux/init.h>
33#include <linux/types.h>
34#include <linux/io.h>
35
36static unsigned int __init tx4927_process_sdccr(unsigned long addr)
37{
38 u64 val;
39 unsigned int sdccr_ce;
40 unsigned int sdccr_bs;
41 unsigned int sdccr_rs;
42 unsigned int sdccr_cs;
43 unsigned int sdccr_mw;
44 unsigned int bs = 0;
45 unsigned int rs = 0;
46 unsigned int cs = 0;
47 unsigned int mw = 0;
48 unsigned int msize = 0;
49
50 val = __raw_readq((void __iomem *)addr);
51
52 /* MVMCP -- need #defs for these bits masks */
53 sdccr_ce = ((val & (1 << 10)) >> 10);
54 sdccr_bs = ((val & (1 << 8)) >> 8);
55 sdccr_rs = ((val & (3 << 5)) >> 5);
56 sdccr_cs = ((val & (3 << 2)) >> 2);
57 sdccr_mw = ((val & (1 << 0)) >> 0);
58
59 if (sdccr_ce) {
60 switch (sdccr_bs) {
61 case 0:{
62 bs = 2;
63 break;
64 }
65 case 1:{
66 bs = 4;
67 break;
68 }
69 }
70 switch (sdccr_rs) {
71 case 0:{
72 rs = 2048;
73 break;
74 }
75 case 1:{
76 rs = 4096;
77 break;
78 }
79 case 2:{
80 rs = 8192;
81 break;
82 }
83 case 3:{
84 rs = 0;
85 break;
86 }
87 }
88 switch (sdccr_cs) {
89 case 0:{
90 cs = 256;
91 break;
92 }
93 case 1:{
94 cs = 512;
95 break;
96 }
97 case 2:{
98 cs = 1024;
99 break;
100 }
101 case 3:{
102 cs = 2048;
103 break;
104 }
105 }
106 switch (sdccr_mw) {
107 case 0:{
108 mw = 8;
109 break;
110 } /* 8 bytes = 64 bits */
111 case 1:{
112 mw = 4;
113 break;
114 } /* 4 bytes = 32 bits */
115 }
116 }
117
118 /* bytes per chip MB per chip num chips */
119 msize = (((rs * cs * mw) / (1024 * 1024)) * bs);
120
121 return (msize);
122}
123
124
125unsigned int __init tx4927_get_mem_size(void)
126{
127 unsigned int c0;
128 unsigned int c1;
129 unsigned int c2;
130 unsigned int c3;
131 unsigned int total;
132
133 /* MVMCP -- need #defs for these registers */
134 c0 = tx4927_process_sdccr(0xff1f8000);
135 c1 = tx4927_process_sdccr(0xff1f8008);
136 c2 = tx4927_process_sdccr(0xff1f8010);
137 c3 = tx4927_process_sdccr(0xff1f8018);
138 total = c0 + c1 + c2 + c3;
139
140 return (total);
141}
diff --git a/arch/mips/txx9/generic/mem_tx4938.c b/arch/mips/txx9/generic/mem_tx4938.c
new file mode 100644
index 000000000000..20baeaeba4cd
--- /dev/null
+++ b/arch/mips/txx9/generic/mem_tx4938.c
@@ -0,0 +1,124 @@
1/*
2 * linux/arch/mips/tx4938/common/prom.c
3 *
4 * common tx4938 memory interface
5 * Copyright (C) 2000-2001 Toshiba Corporation
6 *
7 * 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the
8 * terms of the GNU General Public License version 2. This program is
9 * licensed "as is" without any warranty of any kind, whether express
10 * or implied.
11 *
12 * Support for TX4938 in 2.6 - Manish Lachwani (mlachwani@mvista.com)
13 */
14
15#include <linux/init.h>
16#include <linux/types.h>
17#include <linux/io.h>
18
19static unsigned int __init
20tx4938_process_sdccr(u64 * addr)
21{
22 u64 val;
23 unsigned int sdccr_ce;
24 unsigned int sdccr_rs;
25 unsigned int sdccr_cs;
26 unsigned int sdccr_mw;
27 unsigned int rs = 0;
28 unsigned int cs = 0;
29 unsigned int mw = 0;
30 unsigned int bc = 4;
31 unsigned int msize = 0;
32
33 val = ____raw_readq((void __iomem *)addr);
34
35 /* MVMCP -- need #defs for these bits masks */
36 sdccr_ce = ((val & (1 << 10)) >> 10);
37 sdccr_rs = ((val & (3 << 5)) >> 5);
38 sdccr_cs = ((val & (7 << 2)) >> 2);
39 sdccr_mw = ((val & (1 << 0)) >> 0);
40
41 if (sdccr_ce) {
42 switch (sdccr_rs) {
43 case 0:{
44 rs = 2048;
45 break;
46 }
47 case 1:{
48 rs = 4096;
49 break;
50 }
51 case 2:{
52 rs = 8192;
53 break;
54 }
55 default:{
56 rs = 0;
57 break;
58 }
59 }
60 switch (sdccr_cs) {
61 case 0:{
62 cs = 256;
63 break;
64 }
65 case 1:{
66 cs = 512;
67 break;
68 }
69 case 2:{
70 cs = 1024;
71 break;
72 }
73 case 3:{
74 cs = 2048;
75 break;
76 }
77 case 4:{
78 cs = 4096;
79 break;
80 }
81 default:{
82 cs = 0;
83 break;
84 }
85 }
86 switch (sdccr_mw) {
87 case 0:{
88 mw = 8;
89 break;
90 } /* 8 bytes = 64 bits */
91 case 1:{
92 mw = 4;
93 break;
94 } /* 4 bytes = 32 bits */
95 }
96 }
97
98 /* bytes per chip MB per chip bank count */
99 msize = (((rs * cs * mw) / (1024 * 1024)) * (bc));
100
101 /* MVMCP -- bc hard coded to 4 from table 9.3.1 */
102 /* boad supports bc=2 but no way to detect */
103
104 return (msize);
105}
106
107unsigned int __init
108tx4938_get_mem_size(void)
109{
110 unsigned int c0;
111 unsigned int c1;
112 unsigned int c2;
113 unsigned int c3;
114 unsigned int total;
115
116 /* MVMCP -- need #defs for these registers */
117 c0 = tx4938_process_sdccr((u64 *) 0xff1f8000);
118 c1 = tx4938_process_sdccr((u64 *) 0xff1f8008);
119 c2 = tx4938_process_sdccr((u64 *) 0xff1f8010);
120 c3 = tx4938_process_sdccr((u64 *) 0xff1f8018);
121 total = c0 + c1 + c2 + c3;
122
123 return (total);
124}
diff --git a/arch/mips/txx9/generic/pci.c b/arch/mips/txx9/generic/pci.c
new file mode 100644
index 000000000000..0b92d8c13208
--- /dev/null
+++ b/arch/mips/txx9/generic/pci.c
@@ -0,0 +1,388 @@
1/*
2 * linux/arch/mips/txx9/pci.c
3 *
4 * Based on linux/arch/mips/txx9/rbtx4927/setup.c,
5 * linux/arch/mips/txx9/rbtx4938/setup.c,
6 * and RBTX49xx patch from CELF patch archive.
7 *
8 * Copyright 2001-2005 MontaVista Software Inc.
9 * Copyright (C) 1996, 97, 2001, 04 Ralf Baechle (ralf@linux-mips.org)
10 * (C) Copyright TOSHIBA CORPORATION 2000-2001, 2004-2007
11 *
12 * This file is subject to the terms and conditions of the GNU General Public
13 * License. See the file "COPYING" in the main directory of this archive
14 * for more details.
15 */
16#include <linux/delay.h>
17#include <linux/jiffies.h>
18#include <linux/io.h>
19#include <asm/txx9/generic.h>
20#include <asm/txx9/pci.h>
21#ifdef CONFIG_TOSHIBA_FPCIB0
22#include <linux/interrupt.h>
23#include <asm/i8259.h>
24#include <asm/txx9/smsc_fdc37m81x.h>
25#endif
26
27static int __init
28early_read_config_word(struct pci_controller *hose,
29 int top_bus, int bus, int devfn, int offset, u16 *value)
30{
31 struct pci_dev fake_dev;
32 struct pci_bus fake_bus;
33
34 fake_dev.bus = &fake_bus;
35 fake_dev.sysdata = hose;
36 fake_dev.devfn = devfn;
37 fake_bus.number = bus;
38 fake_bus.sysdata = hose;
39 fake_bus.ops = hose->pci_ops;
40
41 if (bus != top_bus)
42 /* Fake a parent bus structure. */
43 fake_bus.parent = &fake_bus;
44 else
45 fake_bus.parent = NULL;
46
47 return pci_read_config_word(&fake_dev, offset, value);
48}
49
50int __init txx9_pci66_check(struct pci_controller *hose, int top_bus,
51 int current_bus)
52{
53 u32 pci_devfn;
54 unsigned short vid;
55 int cap66 = -1;
56 u16 stat;
57
58 /* It seems SLC90E66 needs some time after PCI reset... */
59 mdelay(80);
60
61 printk(KERN_INFO "PCI: Checking 66MHz capabilities...\n");
62
63 for (pci_devfn = 0; pci_devfn < 0xff; pci_devfn++) {
64 if (PCI_FUNC(pci_devfn))
65 continue;
66 if (early_read_config_word(hose, top_bus, current_bus,
67 pci_devfn, PCI_VENDOR_ID, &vid) !=
68 PCIBIOS_SUCCESSFUL)
69 continue;
70 if (vid == 0xffff)
71 continue;
72
73 /* check 66MHz capability */
74 if (cap66 < 0)
75 cap66 = 1;
76 if (cap66) {
77 early_read_config_word(hose, top_bus, current_bus,
78 pci_devfn, PCI_STATUS, &stat);
79 if (!(stat & PCI_STATUS_66MHZ)) {
80 printk(KERN_DEBUG
81 "PCI: %02x:%02x not 66MHz capable.\n",
82 current_bus, pci_devfn);
83 cap66 = 0;
84 break;
85 }
86 }
87 }
88 return cap66 > 0;
89}
90
91static struct resource primary_pci_mem_res[2] = {
92 { .name = "PCI MEM" },
93 { .name = "PCI MMIO" },
94};
95static struct resource primary_pci_io_res = { .name = "PCI IO" };
96struct pci_controller txx9_primary_pcic = {
97 .mem_resource = &primary_pci_mem_res[0],
98 .io_resource = &primary_pci_io_res,
99};
100
101#ifdef CONFIG_64BIT
102int txx9_pci_mem_high __initdata = 1;
103#else
104int txx9_pci_mem_high __initdata;
105#endif
106
107/*
108 * allocate pci_controller and resources.
109 * mem_base, io_base: physical addresss. 0 for auto assignment.
110 * mem_size and io_size means max size on auto assignment.
111 * pcic must be &txx9_primary_pcic or NULL.
112 */
113struct pci_controller *__init
114txx9_alloc_pci_controller(struct pci_controller *pcic,
115 unsigned long mem_base, unsigned long mem_size,
116 unsigned long io_base, unsigned long io_size)
117{
118 struct pcic {
119 struct pci_controller c;
120 struct resource r_mem[2];
121 struct resource r_io;
122 } *new = NULL;
123 int min_size = 0x10000;
124
125 if (!pcic) {
126 new = kzalloc(sizeof(*new), GFP_KERNEL);
127 if (!new)
128 return NULL;
129 new->r_mem[0].name = "PCI mem";
130 new->r_mem[1].name = "PCI mmio";
131 new->r_io.name = "PCI io";
132 new->c.mem_resource = new->r_mem;
133 new->c.io_resource = &new->r_io;
134 pcic = &new->c;
135 } else
136 BUG_ON(pcic != &txx9_primary_pcic);
137 pcic->io_resource->flags = IORESOURCE_IO;
138
139 /*
140 * for auto assignment, first search a (big) region for PCI
141 * MEM, then search a region for PCI IO.
142 */
143 if (mem_base) {
144 pcic->mem_resource[0].start = mem_base;
145 pcic->mem_resource[0].end = mem_base + mem_size - 1;
146 if (request_resource(&iomem_resource, &pcic->mem_resource[0]))
147 goto free_and_exit;
148 } else {
149 unsigned long min = 0, max = 0x20000000; /* low 512MB */
150 if (!mem_size) {
151 /* default size for auto assignment */
152 if (txx9_pci_mem_high)
153 mem_size = 0x20000000; /* mem:512M(max) */
154 else
155 mem_size = 0x08000000; /* mem:128M(max) */
156 }
157 if (txx9_pci_mem_high) {
158 min = 0x20000000;
159 max = 0xe0000000;
160 }
161 /* search free region for PCI MEM */
162 for (; mem_size >= min_size; mem_size /= 2) {
163 if (allocate_resource(&iomem_resource,
164 &pcic->mem_resource[0],
165 mem_size, min, max,
166 mem_size, NULL, NULL) == 0)
167 break;
168 }
169 if (mem_size < min_size)
170 goto free_and_exit;
171 }
172
173 pcic->mem_resource[1].flags = IORESOURCE_MEM | IORESOURCE_BUSY;
174 if (io_base) {
175 pcic->mem_resource[1].start = io_base;
176 pcic->mem_resource[1].end = io_base + io_size - 1;
177 if (request_resource(&iomem_resource, &pcic->mem_resource[1]))
178 goto release_and_exit;
179 } else {
180 if (!io_size)
181 /* default size for auto assignment */
182 io_size = 0x01000000; /* io:16M(max) */
183 /* search free region for PCI IO in low 512MB */
184 for (; io_size >= min_size; io_size /= 2) {
185 if (allocate_resource(&iomem_resource,
186 &pcic->mem_resource[1],
187 io_size, 0, 0x20000000,
188 io_size, NULL, NULL) == 0)
189 break;
190 }
191 if (io_size < min_size)
192 goto release_and_exit;
193 io_base = pcic->mem_resource[1].start;
194 }
195
196 pcic->mem_resource[0].flags = IORESOURCE_MEM;
197 if (pcic == &txx9_primary_pcic &&
198 mips_io_port_base == (unsigned long)-1) {
199 /* map ioport 0 to PCI I/O space address 0 */
200 set_io_port_base(IO_BASE + pcic->mem_resource[1].start);
201 pcic->io_resource->start = 0;
202 pcic->io_offset = 0; /* busaddr == ioaddr */
203 pcic->io_map_base = IO_BASE + pcic->mem_resource[1].start;
204 } else {
205 /* physaddr to ioaddr */
206 pcic->io_resource->start =
207 io_base - (mips_io_port_base - IO_BASE);
208 pcic->io_offset = io_base - (mips_io_port_base - IO_BASE);
209 pcic->io_map_base = mips_io_port_base;
210 }
211 pcic->io_resource->end = pcic->io_resource->start + io_size - 1;
212
213 pcic->mem_offset = 0; /* busaddr == physaddr */
214
215 printk(KERN_INFO "PCI: IO 0x%08llx-0x%08llx MEM 0x%08llx-0x%08llx\n",
216 (unsigned long long)pcic->mem_resource[1].start,
217 (unsigned long long)pcic->mem_resource[1].end,
218 (unsigned long long)pcic->mem_resource[0].start,
219 (unsigned long long)pcic->mem_resource[0].end);
220
221 /* register_pci_controller() will request MEM resource */
222 release_resource(&pcic->mem_resource[0]);
223 return pcic;
224 release_and_exit:
225 release_resource(&pcic->mem_resource[0]);
226 free_and_exit:
227 kfree(new);
228 printk(KERN_ERR "PCI: Failed to allocate resources.\n");
229 return NULL;
230}
231
232static int __init
233txx9_arch_pci_init(void)
234{
235 PCIBIOS_MIN_IO = 0x8000; /* reseve legacy I/O space */
236 return 0;
237}
238arch_initcall(txx9_arch_pci_init);
239
240/* IRQ/IDSEL mapping */
241int txx9_pci_option =
242#ifdef CONFIG_PICMG_PCI_BACKPLANE_DEFAULT
243 TXX9_PCI_OPT_PICMG |
244#endif
245 TXX9_PCI_OPT_CLK_AUTO;
246
247enum txx9_pci_err_action txx9_pci_err_action = TXX9_PCI_ERR_REPORT;
248
249#ifdef CONFIG_TOSHIBA_FPCIB0
250static irqreturn_t i8259_interrupt(int irq, void *dev_id)
251{
252 int isairq;
253
254 isairq = i8259_irq();
255 if (unlikely(isairq <= I8259A_IRQ_BASE))
256 return IRQ_NONE;
257 generic_handle_irq(isairq);
258 return IRQ_HANDLED;
259}
260
261static int __init
262txx9_i8259_irq_setup(int irq)
263{
264 int err;
265
266 init_i8259_irqs();
267 err = request_irq(irq, &i8259_interrupt, IRQF_DISABLED|IRQF_SHARED,
268 "cascade(i8259)", (void *)(long)irq);
269 if (!err)
270 printk(KERN_INFO "PCI-ISA bridge PIC (irq %d)\n", irq);
271 return err;
272}
273
274static void __init quirk_slc90e66_bridge(struct pci_dev *dev)
275{
276 int irq; /* PCI/ISA Bridge interrupt */
277 u8 reg_64;
278 u32 reg_b0;
279 u8 reg_e1;
280 irq = pcibios_map_irq(dev, PCI_SLOT(dev->devfn), 1); /* INTA */
281 if (!irq)
282 return;
283 txx9_i8259_irq_setup(irq);
284 pci_read_config_byte(dev, 0x64, &reg_64);
285 pci_read_config_dword(dev, 0xb0, &reg_b0);
286 pci_read_config_byte(dev, 0xe1, &reg_e1);
287 /* serial irq control */
288 reg_64 = 0xd0;
289 /* serial irq pin */
290 reg_b0 |= 0x00010000;
291 /* ide irq on isa14 */
292 reg_e1 &= 0xf0;
293 reg_e1 |= 0x0d;
294 pci_write_config_byte(dev, 0x64, reg_64);
295 pci_write_config_dword(dev, 0xb0, reg_b0);
296 pci_write_config_byte(dev, 0xe1, reg_e1);
297
298 smsc_fdc37m81x_init(0x3f0);
299 smsc_fdc37m81x_config_beg();
300 smsc_fdc37m81x_config_set(SMSC_FDC37M81X_DNUM,
301 SMSC_FDC37M81X_KBD);
302 smsc_fdc37m81x_config_set(SMSC_FDC37M81X_INT, 1);
303 smsc_fdc37m81x_config_set(SMSC_FDC37M81X_INT2, 12);
304 smsc_fdc37m81x_config_set(SMSC_FDC37M81X_ACTIVE,
305 1);
306 smsc_fdc37m81x_config_end();
307}
308
309static void quirk_slc90e66_ide(struct pci_dev *dev)
310{
311 unsigned char dat;
312 int regs[2] = {0x41, 0x43};
313 int i;
314
315 /* SMSC SLC90E66 IDE uses irq 14, 15 (default) */
316 pci_write_config_byte(dev, PCI_INTERRUPT_LINE, 14);
317 pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &dat);
318 printk(KERN_INFO "PCI: %s: IRQ %02x", pci_name(dev), dat);
319 /* enable SMSC SLC90E66 IDE */
320 for (i = 0; i < ARRAY_SIZE(regs); i++) {
321 pci_read_config_byte(dev, regs[i], &dat);
322 pci_write_config_byte(dev, regs[i], dat | 0x80);
323 pci_read_config_byte(dev, regs[i], &dat);
324 printk(KERN_CONT " IDETIM%d %02x", i, dat);
325 }
326 pci_read_config_byte(dev, 0x5c, &dat);
327 /*
328 * !!! DO NOT REMOVE THIS COMMENT IT IS REQUIRED BY SMSC !!!
329 *
330 * This line of code is intended to provide the user with a work
331 * around solution to the anomalies cited in SMSC's anomaly sheet
332 * entitled, "SLC90E66 Functional Rev.J_0.1 Anomalies"".
333 *
334 * !!! DO NOT REMOVE THIS COMMENT IT IS REQUIRED BY SMSC !!!
335 */
336 dat |= 0x01;
337 pci_write_config_byte(dev, regs[i], dat);
338 pci_read_config_byte(dev, 0x5c, &dat);
339 printk(KERN_CONT " REG5C %02x", dat);
340 printk(KERN_CONT "\n");
341}
342#endif /* CONFIG_TOSHIBA_FPCIB0 */
343
344static void final_fixup(struct pci_dev *dev)
345{
346 unsigned char bist;
347
348 /* Do build-in self test */
349 if (pci_read_config_byte(dev, PCI_BIST, &bist) == PCIBIOS_SUCCESSFUL &&
350 (bist & PCI_BIST_CAPABLE)) {
351 unsigned long timeout;
352 pci_set_power_state(dev, PCI_D0);
353 printk(KERN_INFO "PCI: %s BIST...", pci_name(dev));
354 pci_write_config_byte(dev, PCI_BIST, PCI_BIST_START);
355 timeout = jiffies + HZ * 2; /* timeout after 2 sec */
356 do {
357 pci_read_config_byte(dev, PCI_BIST, &bist);
358 if (time_after(jiffies, timeout))
359 break;
360 } while (bist & PCI_BIST_START);
361 if (bist & (PCI_BIST_CODE_MASK | PCI_BIST_START))
362 printk(KERN_CONT "failed. (0x%x)\n", bist);
363 else
364 printk(KERN_CONT "OK.\n");
365 }
366}
367
368#ifdef CONFIG_TOSHIBA_FPCIB0
369#define PCI_DEVICE_ID_EFAR_SLC90E66_0 0x9460
370DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_EFAR, PCI_DEVICE_ID_EFAR_SLC90E66_0,
371 quirk_slc90e66_bridge);
372DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_EFAR, PCI_DEVICE_ID_EFAR_SLC90E66_1,
373 quirk_slc90e66_ide);
374DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_EFAR, PCI_DEVICE_ID_EFAR_SLC90E66_1,
375 quirk_slc90e66_ide);
376#endif
377DECLARE_PCI_FIXUP_FINAL(PCI_ANY_ID, PCI_ANY_ID, final_fixup);
378DECLARE_PCI_FIXUP_RESUME(PCI_ANY_ID, PCI_ANY_ID, final_fixup);
379
380int pcibios_plat_dev_init(struct pci_dev *dev)
381{
382 return 0;
383}
384
385int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
386{
387 return txx9_board_vec->pci_map_irq(dev, slot, pin);
388}
diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c
new file mode 100644
index 000000000000..5afc5d5cab03
--- /dev/null
+++ b/arch/mips/txx9/generic/setup.c
@@ -0,0 +1,212 @@
1/*
2 * linux/arch/mips/txx9/generic/setup.c
3 *
4 * Based on linux/arch/mips/txx9/rbtx4938/setup.c,
5 * and RBTX49xx patch from CELF patch archive.
6 *
7 * 2003-2005 (c) MontaVista Software, Inc.
8 * (C) Copyright TOSHIBA CORPORATION 2000-2001, 2004-2007
9 *
10 * This file is subject to the terms and conditions of the GNU General Public
11 * License. See the file "COPYING" in the main directory of this archive
12 * for more details.
13 */
14#include <linux/init.h>
15#include <linux/kernel.h>
16#include <linux/types.h>
17#include <linux/interrupt.h>
18#include <linux/string.h>
19#include <linux/module.h>
20#include <linux/clk.h>
21#include <linux/err.h>
22#include <asm/bootinfo.h>
23#include <asm/txx9/generic.h>
24#ifdef CONFIG_CPU_TX49XX
25#include <asm/txx9/tx4938.h>
26#endif
27
28/* EBUSC settings of TX4927, etc. */
29struct resource txx9_ce_res[8];
30static char txx9_ce_res_name[8][4]; /* "CEn" */
31
32/* pcode, internal register */
33char txx9_pcode_str[8];
34static struct resource txx9_reg_res = {
35 .name = txx9_pcode_str,
36 .flags = IORESOURCE_MEM,
37};
38void __init
39txx9_reg_res_init(unsigned int pcode, unsigned long base, unsigned long size)
40{
41 int i;
42
43 for (i = 0; i < ARRAY_SIZE(txx9_ce_res); i++) {
44 sprintf(txx9_ce_res_name[i], "CE%d", i);
45 txx9_ce_res[i].flags = IORESOURCE_MEM;
46 txx9_ce_res[i].name = txx9_ce_res_name[i];
47 }
48
49 sprintf(txx9_pcode_str, "TX%x", pcode);
50 if (base) {
51 txx9_reg_res.start = base & 0xfffffffffULL;
52 txx9_reg_res.end = (base & 0xfffffffffULL) + (size - 1);
53 request_resource(&iomem_resource, &txx9_reg_res);
54 }
55}
56
57/* clocks */
58unsigned int txx9_master_clock;
59unsigned int txx9_cpu_clock;
60unsigned int txx9_gbus_clock;
61
62
63/* Minimum CLK support */
64
65struct clk *clk_get(struct device *dev, const char *id)
66{
67 if (!strcmp(id, "spi-baseclk"))
68 return (struct clk *)(txx9_gbus_clock / 2 / 4);
69 if (!strcmp(id, "imbus_clk"))
70 return (struct clk *)(txx9_gbus_clock / 2);
71 return ERR_PTR(-ENOENT);
72}
73EXPORT_SYMBOL(clk_get);
74
75int clk_enable(struct clk *clk)
76{
77 return 0;
78}
79EXPORT_SYMBOL(clk_enable);
80
81void clk_disable(struct clk *clk)
82{
83}
84EXPORT_SYMBOL(clk_disable);
85
86unsigned long clk_get_rate(struct clk *clk)
87{
88 return (unsigned long)clk;
89}
90EXPORT_SYMBOL(clk_get_rate);
91
92void clk_put(struct clk *clk)
93{
94}
95EXPORT_SYMBOL(clk_put);
96
97extern struct txx9_board_vec jmr3927_vec;
98extern struct txx9_board_vec rbtx4927_vec;
99extern struct txx9_board_vec rbtx4937_vec;
100extern struct txx9_board_vec rbtx4938_vec;
101
102struct txx9_board_vec *txx9_board_vec __initdata;
103static char txx9_system_type[32];
104
105void __init prom_init_cmdline(void)
106{
107 int argc = (int)fw_arg0;
108 char **argv = (char **)fw_arg1;
109 int i; /* Always ignore the "-c" at argv[0] */
110
111 /* ignore all built-in args if any f/w args given */
112 if (argc > 1)
113 *arcs_cmdline = '\0';
114
115 for (i = 1; i < argc; i++) {
116 if (i != 1)
117 strcat(arcs_cmdline, " ");
118 strcat(arcs_cmdline, argv[i]);
119 }
120}
121
122void __init prom_init(void)
123{
124#ifdef CONFIG_CPU_TX39XX
125 txx9_board_vec = &jmr3927_vec;
126#endif
127#ifdef CONFIG_CPU_TX49XX
128 switch (TX4938_REV_PCODE()) {
129 case 0x4927:
130 txx9_board_vec = &rbtx4927_vec;
131 break;
132 case 0x4937:
133 txx9_board_vec = &rbtx4937_vec;
134 break;
135 case 0x4938:
136 txx9_board_vec = &rbtx4938_vec;
137 break;
138 }
139#endif
140
141 strcpy(txx9_system_type, txx9_board_vec->system);
142
143 txx9_board_vec->prom_init();
144}
145
146void __init prom_free_prom_memory(void)
147{
148}
149
150const char *get_system_type(void)
151{
152 return txx9_system_type;
153}
154
155char * __init prom_getcmdline(void)
156{
157 return &(arcs_cmdline[0]);
158}
159
160/* wrappers */
161void __init plat_mem_setup(void)
162{
163 txx9_board_vec->mem_setup();
164}
165
166void __init arch_init_irq(void)
167{
168 txx9_board_vec->irq_setup();
169}
170
171void __init plat_time_init(void)
172{
173 txx9_board_vec->time_init();
174}
175
176static int __init _txx9_arch_init(void)
177{
178 if (txx9_board_vec->arch_init)
179 txx9_board_vec->arch_init();
180 return 0;
181}
182arch_initcall(_txx9_arch_init);
183
184static int __init _txx9_device_init(void)
185{
186 if (txx9_board_vec->device_init)
187 txx9_board_vec->device_init();
188 return 0;
189}
190device_initcall(_txx9_device_init);
191
192int (*txx9_irq_dispatch)(int pending);
193asmlinkage void plat_irq_dispatch(void)
194{
195 int pending = read_c0_status() & read_c0_cause() & ST0_IM;
196 int irq = txx9_irq_dispatch(pending);
197
198 if (likely(irq >= 0))
199 do_IRQ(irq);
200 else
201 spurious_interrupt();
202}
203
204/* see include/asm-mips/mach-tx39xx/mangle-port.h, for example. */
205#ifdef NEEDS_TXX9_SWIZZLE_ADDR_B
206static unsigned long __swizzle_addr_none(unsigned long port)
207{
208 return port;
209}
210unsigned long (*__swizzle_addr_b)(unsigned long port) = __swizzle_addr_none;
211EXPORT_SYMBOL(__swizzle_addr_b);
212#endif
diff --git a/arch/mips/txx9/generic/smsc_fdc37m81x.c b/arch/mips/txx9/generic/smsc_fdc37m81x.c
new file mode 100644
index 000000000000..69e487467fa5
--- /dev/null
+++ b/arch/mips/txx9/generic/smsc_fdc37m81x.c
@@ -0,0 +1,172 @@
1/*
2 * Interface for smsc fdc48m81x Super IO chip
3 *
4 * Author: MontaVista Software, Inc. source@mvista.com
5 *
6 * 2001-2003 (c) MontaVista Software, Inc. This file is licensed under
7 * the terms of the GNU General Public License version 2. This program
8 * is licensed "as is" without any warranty of any kind, whether express
9 * or implied.
10 *
11 * Copyright 2004 (c) MontaVista Software, Inc.
12 */
13#include <linux/init.h>
14#include <linux/types.h>
15#include <asm/io.h>
16#include <asm/txx9/smsc_fdc37m81x.h>
17
18#define DEBUG
19
20/* Common Registers */
21#define SMSC_FDC37M81X_CONFIG_INDEX 0x00
22#define SMSC_FDC37M81X_CONFIG_DATA 0x01
23#define SMSC_FDC37M81X_CONF 0x02
24#define SMSC_FDC37M81X_INDEX 0x03
25#define SMSC_FDC37M81X_DNUM 0x07
26#define SMSC_FDC37M81X_DID 0x20
27#define SMSC_FDC37M81X_DREV 0x21
28#define SMSC_FDC37M81X_PCNT 0x22
29#define SMSC_FDC37M81X_PMGT 0x23
30#define SMSC_FDC37M81X_OSC 0x24
31#define SMSC_FDC37M81X_CONFPA0 0x26
32#define SMSC_FDC37M81X_CONFPA1 0x27
33#define SMSC_FDC37M81X_TEST4 0x2B
34#define SMSC_FDC37M81X_TEST5 0x2C
35#define SMSC_FDC37M81X_TEST1 0x2D
36#define SMSC_FDC37M81X_TEST2 0x2E
37#define SMSC_FDC37M81X_TEST3 0x2F
38
39/* Logical device numbers */
40#define SMSC_FDC37M81X_FDD 0x00
41#define SMSC_FDC37M81X_SERIAL1 0x04
42#define SMSC_FDC37M81X_SERIAL2 0x05
43#define SMSC_FDC37M81X_KBD 0x07
44
45/* Logical device Config Registers */
46#define SMSC_FDC37M81X_ACTIVE 0x30
47#define SMSC_FDC37M81X_BASEADDR0 0x60
48#define SMSC_FDC37M81X_BASEADDR1 0x61
49#define SMSC_FDC37M81X_INT 0x70
50#define SMSC_FDC37M81X_INT2 0x72
51#define SMSC_FDC37M81X_MODE 0xF0
52
53/* Chip Config Values */
54#define SMSC_FDC37M81X_CONFIG_ENTER 0x55
55#define SMSC_FDC37M81X_CONFIG_EXIT 0xaa
56#define SMSC_FDC37M81X_CHIP_ID 0x4d
57
58static unsigned long g_smsc_fdc37m81x_base = 0;
59
60static inline unsigned char smsc_fdc37m81x_rd(unsigned char index)
61{
62 outb(index, g_smsc_fdc37m81x_base + SMSC_FDC37M81X_CONFIG_INDEX);
63
64 return inb(g_smsc_fdc37m81x_base + SMSC_FDC37M81X_CONFIG_DATA);
65}
66
67static inline void smsc_dc37m81x_wr(unsigned char index, unsigned char data)
68{
69 outb(index, g_smsc_fdc37m81x_base + SMSC_FDC37M81X_CONFIG_INDEX);
70 outb(data, g_smsc_fdc37m81x_base + SMSC_FDC37M81X_CONFIG_DATA);
71}
72
73void smsc_fdc37m81x_config_beg(void)
74{
75 if (g_smsc_fdc37m81x_base) {
76 outb(SMSC_FDC37M81X_CONFIG_ENTER,
77 g_smsc_fdc37m81x_base + SMSC_FDC37M81X_CONFIG_INDEX);
78 }
79}
80
81void smsc_fdc37m81x_config_end(void)
82{
83 if (g_smsc_fdc37m81x_base)
84 outb(SMSC_FDC37M81X_CONFIG_EXIT,
85 g_smsc_fdc37m81x_base + SMSC_FDC37M81X_CONFIG_INDEX);
86}
87
88u8 smsc_fdc37m81x_config_get(u8 reg)
89{
90 u8 val = 0;
91
92 if (g_smsc_fdc37m81x_base)
93 val = smsc_fdc37m81x_rd(reg);
94
95 return val;
96}
97
98void smsc_fdc37m81x_config_set(u8 reg, u8 val)
99{
100 if (g_smsc_fdc37m81x_base)
101 smsc_dc37m81x_wr(reg, val);
102}
103
104unsigned long __init smsc_fdc37m81x_init(unsigned long port)
105{
106 const int field = sizeof(unsigned long) * 2;
107 u8 chip_id;
108
109 if (g_smsc_fdc37m81x_base)
110 printk("smsc_fdc37m81x_init() stepping on old base=0x%0*lx\n",
111 field, g_smsc_fdc37m81x_base);
112
113 g_smsc_fdc37m81x_base = port;
114
115 smsc_fdc37m81x_config_beg();
116
117 chip_id = smsc_fdc37m81x_rd(SMSC_FDC37M81X_DID);
118 if (chip_id == SMSC_FDC37M81X_CHIP_ID)
119 smsc_fdc37m81x_config_end();
120 else {
121 printk("smsc_fdc37m81x_init() unknow chip id 0x%02x\n",
122 chip_id);
123 g_smsc_fdc37m81x_base = 0;
124 }
125
126 return g_smsc_fdc37m81x_base;
127}
128
129#ifdef DEBUG
130void smsc_fdc37m81x_config_dump_one(char *key, u8 dev, u8 reg)
131{
132 printk("%s: dev=0x%02x reg=0x%02x val=0x%02x\n", key, dev, reg,
133 smsc_fdc37m81x_rd(reg));
134}
135
136void smsc_fdc37m81x_config_dump(void)
137{
138 u8 orig;
139 char *fname = "smsc_fdc37m81x_config_dump()";
140
141 smsc_fdc37m81x_config_beg();
142
143 orig = smsc_fdc37m81x_rd(SMSC_FDC37M81X_DNUM);
144
145 printk("%s: common\n", fname);
146 smsc_fdc37m81x_config_dump_one(fname, SMSC_FDC37M81X_NONE,
147 SMSC_FDC37M81X_DNUM);
148 smsc_fdc37m81x_config_dump_one(fname, SMSC_FDC37M81X_NONE,
149 SMSC_FDC37M81X_DID);
150 smsc_fdc37m81x_config_dump_one(fname, SMSC_FDC37M81X_NONE,
151 SMSC_FDC37M81X_DREV);
152 smsc_fdc37m81x_config_dump_one(fname, SMSC_FDC37M81X_NONE,
153 SMSC_FDC37M81X_PCNT);
154 smsc_fdc37m81x_config_dump_one(fname, SMSC_FDC37M81X_NONE,
155 SMSC_FDC37M81X_PMGT);
156
157 printk("%s: keyboard\n", fname);
158 smsc_dc37m81x_wr(SMSC_FDC37M81X_DNUM, SMSC_FDC37M81X_KBD);
159 smsc_fdc37m81x_config_dump_one(fname, SMSC_FDC37M81X_KBD,
160 SMSC_FDC37M81X_ACTIVE);
161 smsc_fdc37m81x_config_dump_one(fname, SMSC_FDC37M81X_KBD,
162 SMSC_FDC37M81X_INT);
163 smsc_fdc37m81x_config_dump_one(fname, SMSC_FDC37M81X_KBD,
164 SMSC_FDC37M81X_INT2);
165 smsc_fdc37m81x_config_dump_one(fname, SMSC_FDC37M81X_KBD,
166 SMSC_FDC37M81X_LDCR_F0);
167
168 smsc_dc37m81x_wr(SMSC_FDC37M81X_DNUM, orig);
169
170 smsc_fdc37m81x_config_end();
171}
172#endif
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-26 19:46:21 -0500