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authorBrian Murphy <brm@murphy.dk>2007-08-21 16:34:16 -0400
committerRalf Baechle <ralf@linux-mips.org>2007-10-11 18:46:00 -0400
commit1f21d2bde0046e959b53756f74d96dfd040a803b (patch)
tree5ca1a0319982f1e665e57f22bd1dae1d90b07e35 /arch/mips/lasat
parent0caf583398309398ec05fc76bff15c711e9f936d (diff)
[MIPS] Add back support for LASAT platforms
Signed-off-by: Brian Murphy <brian@murphy.dk> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/lasat')
-rw-r--r--arch/mips/lasat/Kconfig15
-rw-r--r--arch/mips/lasat/Makefile16
-rw-r--r--arch/mips/lasat/at93c.c149
-rw-r--r--arch/mips/lasat/at93c.h18
-rw-r--r--arch/mips/lasat/ds1603.c183
-rw-r--r--arch/mips/lasat/ds1603.h33
-rw-r--r--arch/mips/lasat/image/Makefile54
-rw-r--r--arch/mips/lasat/image/head.S31
-rw-r--r--arch/mips/lasat/image/romscript.normal23
-rw-r--r--arch/mips/lasat/interrupt.c130
-rw-r--r--arch/mips/lasat/lasat_board.c280
-rw-r--r--arch/mips/lasat/lasat_models.h67
-rw-r--r--arch/mips/lasat/picvue.c244
-rw-r--r--arch/mips/lasat/picvue.h48
-rw-r--r--arch/mips/lasat/picvue_proc.c191
-rw-r--r--arch/mips/lasat/prom.c128
-rw-r--r--arch/mips/lasat/prom.h7
-rw-r--r--arch/mips/lasat/reset.c61
-rw-r--r--arch/mips/lasat/serial.c94
-rw-r--r--arch/mips/lasat/setup.c158
-rw-r--r--arch/mips/lasat/sysctl.c454
-rw-r--r--arch/mips/lasat/sysctl.h24
22 files changed, 2408 insertions, 0 deletions
diff --git a/arch/mips/lasat/Kconfig b/arch/mips/lasat/Kconfig
new file mode 100644
index 000000000000..1d2ee8a9be13
--- /dev/null
+++ b/arch/mips/lasat/Kconfig
@@ -0,0 +1,15 @@
1config PICVUE
2 tristate "PICVUE LCD display driver"
3 depends on LASAT
4
5config PICVUE_PROC
6 tristate "PICVUE LCD display driver /proc interface"
7 depends on PICVUE
8
9config DS1603
10 bool "DS1603 RTC driver"
11 depends on LASAT
12
13config LASAT_SYSCTL
14 bool "LASAT sysctl interface"
15 depends on LASAT
diff --git a/arch/mips/lasat/Makefile b/arch/mips/lasat/Makefile
new file mode 100644
index 000000000000..33791609fe99
--- /dev/null
+++ b/arch/mips/lasat/Makefile
@@ -0,0 +1,16 @@
1#
2# Makefile for the LASAT specific kernel interface routines under Linux.
3#
4
5obj-y += reset.o setup.o prom.o lasat_board.o \
6 at93c.o interrupt.o serial.o
7
8obj-$(CONFIG_LASAT_SYSCTL) += sysctl.o
9obj-$(CONFIG_DS1603) += ds1603.o
10obj-$(CONFIG_PICVUE) += picvue.o
11obj-$(CONFIG_PICVUE_PROC) += picvue_proc.o
12
13clean:
14 make -C image clean
15
16EXTRA_CFLAGS += -Werror
diff --git a/arch/mips/lasat/at93c.c b/arch/mips/lasat/at93c.c
new file mode 100644
index 000000000000..793e234719a6
--- /dev/null
+++ b/arch/mips/lasat/at93c.c
@@ -0,0 +1,149 @@
1/*
2 * Atmel AT93C46 serial eeprom driver
3 *
4 * Brian Murphy <brian.murphy@eicon.com>
5 *
6 */
7#include <linux/kernel.h>
8#include <linux/delay.h>
9#include <asm/lasat/lasat.h>
10#include <linux/module.h>
11#include <linux/init.h>
12
13#include "at93c.h"
14
15#define AT93C_ADDR_SHIFT 7
16#define AT93C_ADDR_MAX ((1 << AT93C_ADDR_SHIFT) - 1)
17#define AT93C_RCMD (0x6 << AT93C_ADDR_SHIFT)
18#define AT93C_WCMD (0x5 << AT93C_ADDR_SHIFT)
19#define AT93C_WENCMD 0x260
20#define AT93C_WDSCMD 0x200
21
22struct at93c_defs *at93c;
23
24static void at93c_reg_write(u32 val)
25{
26 *at93c->reg = val;
27}
28
29static u32 at93c_reg_read(void)
30{
31 u32 tmp = *at93c->reg;
32 return tmp;
33}
34
35static u32 at93c_datareg_read(void)
36{
37 u32 tmp = *at93c->rdata_reg;
38 return tmp;
39}
40
41static void at93c_cycle_clk(u32 data)
42{
43 at93c_reg_write(data | at93c->clk);
44 lasat_ndelay(250);
45 at93c_reg_write(data & ~at93c->clk);
46 lasat_ndelay(250);
47}
48
49static void at93c_write_databit(u8 bit)
50{
51 u32 data = at93c_reg_read();
52 if (bit)
53 data |= 1 << at93c->wdata_shift;
54 else
55 data &= ~(1 << at93c->wdata_shift);
56
57 at93c_reg_write(data);
58 lasat_ndelay(100);
59 at93c_cycle_clk(data);
60}
61
62static unsigned int at93c_read_databit(void)
63{
64 u32 data;
65
66 at93c_cycle_clk(at93c_reg_read());
67 data = (at93c_datareg_read() >> at93c->rdata_shift) & 1;
68 return data;
69}
70
71static u8 at93c_read_byte(void)
72{
73 int i;
74 u8 data = 0;
75
76 for (i = 0; i <= 7; i++) {
77 data <<= 1;
78 data |= at93c_read_databit();
79 }
80 return data;
81}
82
83static void at93c_write_bits(u32 data, int size)
84{
85 int i;
86 int shift = size - 1;
87 u32 mask = (1 << shift);
88
89 for (i = 0; i < size; i++) {
90 at93c_write_databit((data & mask) >> shift);
91 data <<= 1;
92 }
93}
94
95static void at93c_init_op(void)
96{
97 at93c_reg_write((at93c_reg_read() | at93c->cs) &
98 ~at93c->clk & ~(1 << at93c->rdata_shift));
99 lasat_ndelay(50);
100}
101
102static void at93c_end_op(void)
103{
104 at93c_reg_write(at93c_reg_read() & ~at93c->cs);
105 lasat_ndelay(250);
106}
107
108static void at93c_wait(void)
109{
110 at93c_init_op();
111 while (!at93c_read_databit())
112 ;
113 at93c_end_op();
114};
115
116static void at93c_disable_wp(void)
117{
118 at93c_init_op();
119 at93c_write_bits(AT93C_WENCMD, 10);
120 at93c_end_op();
121}
122
123static void at93c_enable_wp(void)
124{
125 at93c_init_op();
126 at93c_write_bits(AT93C_WDSCMD, 10);
127 at93c_end_op();
128}
129
130u8 at93c_read(u8 addr)
131{
132 u8 byte;
133 at93c_init_op();
134 at93c_write_bits((addr & AT93C_ADDR_MAX)|AT93C_RCMD, 10);
135 byte = at93c_read_byte();
136 at93c_end_op();
137 return byte;
138}
139
140void at93c_write(u8 addr, u8 data)
141{
142 at93c_disable_wp();
143 at93c_init_op();
144 at93c_write_bits((addr & AT93C_ADDR_MAX)|AT93C_WCMD, 10);
145 at93c_write_bits(data, 8);
146 at93c_end_op();
147 at93c_wait();
148 at93c_enable_wp();
149}
diff --git a/arch/mips/lasat/at93c.h b/arch/mips/lasat/at93c.h
new file mode 100644
index 000000000000..cfe2f99b1d44
--- /dev/null
+++ b/arch/mips/lasat/at93c.h
@@ -0,0 +1,18 @@
1/*
2 * Atmel AT93C46 serial eeprom driver
3 *
4 * Brian Murphy <brian.murphy@eicon.com>
5 *
6 */
7
8extern struct at93c_defs {
9 volatile u32 *reg;
10 volatile u32 *rdata_reg;
11 int rdata_shift;
12 int wdata_shift;
13 u32 cs;
14 u32 clk;
15} *at93c;
16
17u8 at93c_read(u8 addr);
18void at93c_write(u8 addr, u8 data);
diff --git a/arch/mips/lasat/ds1603.c b/arch/mips/lasat/ds1603.c
new file mode 100644
index 000000000000..0b315f51d62c
--- /dev/null
+++ b/arch/mips/lasat/ds1603.c
@@ -0,0 +1,183 @@
1/*
2 * Dallas Semiconductors 1603 RTC driver
3 *
4 * Brian Murphy <brian@murphy.dk>
5 *
6 */
7#include <linux/kernel.h>
8#include <asm/lasat/lasat.h>
9#include <linux/delay.h>
10#include <asm/lasat/ds1603.h>
11#include <asm/time.h>
12
13#include "ds1603.h"
14
15#define READ_TIME_CMD 0x81
16#define SET_TIME_CMD 0x80
17#define TRIMMER_SET_CMD 0xC0
18#define TRIMMER_VALUE_MASK 0x38
19#define TRIMMER_SHIFT 3
20
21struct ds_defs *ds1603;
22
23/* HW specific register functions */
24static void rtc_reg_write(unsigned long val)
25{
26 *ds1603->reg = val;
27}
28
29static unsigned long rtc_reg_read(void)
30{
31 unsigned long tmp = *ds1603->reg;
32 return tmp;
33}
34
35static unsigned long rtc_datareg_read(void)
36{
37 unsigned long tmp = *ds1603->data_reg;
38 return tmp;
39}
40
41static void rtc_nrst_high(void)
42{
43 rtc_reg_write(rtc_reg_read() | ds1603->rst);
44}
45
46static void rtc_nrst_low(void)
47{
48 rtc_reg_write(rtc_reg_read() & ~ds1603->rst);
49}
50
51static void rtc_cycle_clock(unsigned long data)
52{
53 data |= ds1603->clk;
54 rtc_reg_write(data);
55 lasat_ndelay(250);
56 if (ds1603->data_reversed)
57 data &= ~ds1603->data;
58 else
59 data |= ds1603->data;
60 data &= ~ds1603->clk;
61 rtc_reg_write(data);
62 lasat_ndelay(250 + ds1603->huge_delay);
63}
64
65static void rtc_write_databit(unsigned int bit)
66{
67 unsigned long data = rtc_reg_read();
68 if (ds1603->data_reversed)
69 bit = !bit;
70 if (bit)
71 data |= ds1603->data;
72 else
73 data &= ~ds1603->data;
74
75 rtc_reg_write(data);
76 lasat_ndelay(50 + ds1603->huge_delay);
77 rtc_cycle_clock(data);
78}
79
80static unsigned int rtc_read_databit(void)
81{
82 unsigned int data;
83
84 data = (rtc_datareg_read() & (1 << ds1603->data_read_shift))
85 >> ds1603->data_read_shift;
86 rtc_cycle_clock(rtc_reg_read());
87 return data;
88}
89
90static void rtc_write_byte(unsigned int byte)
91{
92 int i;
93
94 for (i = 0; i <= 7; i++) {
95 rtc_write_databit(byte & 1L);
96 byte >>= 1;
97 }
98}
99
100static void rtc_write_word(unsigned long word)
101{
102 int i;
103
104 for (i = 0; i <= 31; i++) {
105 rtc_write_databit(word & 1L);
106 word >>= 1;
107 }
108}
109
110static unsigned long rtc_read_word(void)
111{
112 int i;
113 unsigned long word = 0;
114 unsigned long shift = 0;
115
116 for (i = 0; i <= 31; i++) {
117 word |= rtc_read_databit() << shift;
118 shift++;
119 }
120 return word;
121}
122
123static void rtc_init_op(void)
124{
125 rtc_nrst_high();
126
127 rtc_reg_write(rtc_reg_read() & ~ds1603->clk);
128
129 lasat_ndelay(50);
130}
131
132static void rtc_end_op(void)
133{
134 rtc_nrst_low();
135 lasat_ndelay(1000);
136}
137
138/* interface */
139unsigned long ds1603_read(void)
140{
141 unsigned long word;
142 unsigned long flags;
143
144 spin_lock_irqsave(&rtc_lock, flags);
145 rtc_init_op();
146 rtc_write_byte(READ_TIME_CMD);
147 word = rtc_read_word();
148 rtc_end_op();
149 spin_unlock_irqrestore(&rtc_lock, flags);
150 return word;
151}
152
153int ds1603_set(unsigned long time)
154{
155 unsigned long flags;
156
157 spin_lock_irqsave(&rtc_lock, flags);
158 rtc_init_op();
159 rtc_write_byte(SET_TIME_CMD);
160 rtc_write_word(time);
161 rtc_end_op();
162 spin_unlock_irqrestore(&rtc_lock, flags);
163
164 return 0;
165}
166
167void ds1603_set_trimmer(unsigned int trimval)
168{
169 rtc_init_op();
170 rtc_write_byte(((trimval << TRIMMER_SHIFT) & TRIMMER_VALUE_MASK)
171 | (TRIMMER_SET_CMD));
172 rtc_end_op();
173}
174
175void ds1603_disable(void)
176{
177 ds1603_set_trimmer(TRIMMER_DISABLE_RTC);
178}
179
180void ds1603_enable(void)
181{
182 ds1603_set_trimmer(TRIMMER_DEFAULT);
183}
diff --git a/arch/mips/lasat/ds1603.h b/arch/mips/lasat/ds1603.h
new file mode 100644
index 000000000000..c2e5c76a379d
--- /dev/null
+++ b/arch/mips/lasat/ds1603.h
@@ -0,0 +1,33 @@
1/*
2 * Dallas Semiconductors 1603 RTC driver
3 *
4 * Brian Murphy <brian@murphy.dk>
5 *
6 */
7#ifndef __DS1603_H
8#define __DS1603_H
9
10struct ds_defs {
11 volatile u32 *reg;
12 volatile u32 *data_reg;
13 u32 rst;
14 u32 clk;
15 u32 data;
16 u32 data_read_shift;
17 char data_reversed;
18 u32 huge_delay;
19};
20
21extern struct ds_defs *ds1603;
22
23unsigned long ds1603_read(void);
24int ds1603_set(unsigned long);
25void ds1603_set_trimmer(unsigned int);
26void ds1603_enable(void);
27void ds1603_disable(void);
28void ds1603_init(struct ds_defs *);
29
30#define TRIMMER_DEFAULT 3
31#define TRIMMER_DISABLE_RTC 0
32
33#endif
diff --git a/arch/mips/lasat/image/Makefile b/arch/mips/lasat/image/Makefile
new file mode 100644
index 000000000000..5332449ec040
--- /dev/null
+++ b/arch/mips/lasat/image/Makefile
@@ -0,0 +1,54 @@
1#
2# MAKEFILE FOR THE MIPS LINUX BOOTLOADER AND ROM DEBUGGER
3#
4# i-data Networks
5#
6# Author: Thomas Horsten <thh@i-data.com>
7#
8
9ifndef Version
10 Version = "$(USER)-test"
11endif
12
13MKLASATIMG = mklasatimg
14MKLASATIMG_ARCH = mq2,mqpro,sp100,sp200
15KERNEL_IMAGE = $(TOPDIR)/vmlinux
16KERNEL_START = $(shell $(NM) $(KERNEL_IMAGE) | grep " _text" | cut -f1 -d\ )
17KERNEL_ENTRY = $(shell $(NM) $(KERNEL_IMAGE) | grep kernel_entry | cut -f1 -d\ )
18
19LDSCRIPT= -L$(obj) -Tromscript.normal
20
21HEAD_DEFINES := -D_kernel_start=0x$(KERNEL_START) \
22 -D_kernel_entry=0x$(KERNEL_ENTRY) \
23 -D VERSION="\"$(Version)\"" \
24 -D TIMESTAMP=$(shell date +%s)
25
26$(obj)/head.o: $(obj)/head.S $(KERNEL_IMAGE)
27 $(CC) -fno-pic $(HEAD_DEFINES) -I$(TOPDIR)/include -c -o $@ $<
28
29OBJECTS = head.o kImage.o
30
31rom.sw: $(obj)/rom.sw
32rom.bin: $(obj)/rom.bin
33
34$(obj)/rom.sw: $(obj)/rom.bin
35 $(MKLASATIMG) -o $@ -k $^ -m $(MKLASATIMG_ARCH)
36
37$(obj)/rom.bin: $(obj)/rom
38 $(OBJCOPY) -O binary -S $^ $@
39
40# Rule to make the bootloader
41$(obj)/rom: $(addprefix $(obj)/,$(OBJECTS))
42 $(LD) $(LDFLAGS) $(LDSCRIPT) -o $@ $^
43
44$(obj)/%.o: $(obj)/%.gz
45 $(LD) -r -o $@ -b binary $<
46
47$(obj)/%.gz: $(obj)/%.bin
48 gzip -cf -9 $< > $@
49
50$(obj)/kImage.bin: $(KERNEL_IMAGE)
51 $(OBJCOPY) -O binary -S $^ $@
52
53clean:
54 rm -f rom rom.bin rom.sw kImage.bin kImage.o
diff --git a/arch/mips/lasat/image/head.S b/arch/mips/lasat/image/head.S
new file mode 100644
index 000000000000..efb95f2609c2
--- /dev/null
+++ b/arch/mips/lasat/image/head.S
@@ -0,0 +1,31 @@
1#include <asm/lasat/head.h>
2
3 .text
4 .section .text.start, "ax"
5 .set noreorder
6 .set mips3
7
8 /* Magic words identifying a software image */
9 .word LASAT_K_MAGIC0_VAL
10 .word LASAT_K_MAGIC1_VAL
11
12 /* Image header version */
13 .word 0x00000002
14
15 /* image start and size */
16 .word _image_start
17 .word _image_size
18
19 /* start of kernel and entrypoint in uncompressed image */
20 .word _kernel_start
21 .word _kernel_entry
22
23 /* Here we have room for future flags */
24
25 .org 0x40
26reldate:
27 .word TIMESTAMP
28
29 .org 0x50
30release:
31 .string VERSION
diff --git a/arch/mips/lasat/image/romscript.normal b/arch/mips/lasat/image/romscript.normal
new file mode 100644
index 000000000000..988f8ad189cb
--- /dev/null
+++ b/arch/mips/lasat/image/romscript.normal
@@ -0,0 +1,23 @@
1OUTPUT_ARCH(mips)
2
3SECTIONS
4{
5 .text :
6 {
7 *(.text.start)
8 }
9
10 /* Data in ROM */
11
12 .data ALIGN(0x10) :
13 {
14 *(.data)
15 }
16 _image_start = ADDR(.data);
17 _image_size = SIZEOF(.data);
18
19 .other :
20 {
21 *(.*)
22 }
23}
diff --git a/arch/mips/lasat/interrupt.c b/arch/mips/lasat/interrupt.c
new file mode 100644
index 000000000000..5f35289bfff5
--- /dev/null
+++ b/arch/mips/lasat/interrupt.c
@@ -0,0 +1,130 @@
1/*
2 * Carsten Langgaard, carstenl@mips.com
3 * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
4 *
5 * This program is free software; you can distribute it and/or modify it
6 * under the terms of the GNU General Public License (Version 2) as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * for more details.
13 *
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
17 *
18 * Routines for generic manipulation of the interrupts found on the
19 * Lasat boards.
20 */
21#include <linux/init.h>
22#include <linux/irq.h>
23#include <linux/sched.h>
24#include <linux/slab.h>
25#include <linux/interrupt.h>
26#include <linux/kernel_stat.h>
27
28#include <asm/bootinfo.h>
29#include <asm/lasat/lasatint.h>
30#include <asm/time.h>
31#include <asm/gdb-stub.h>
32
33static volatile int *lasat_int_status;
34static volatile int *lasat_int_mask;
35static volatile int lasat_int_mask_shift;
36
37void disable_lasat_irq(unsigned int irq_nr)
38{
39 *lasat_int_mask &= ~(1 << irq_nr) << lasat_int_mask_shift;
40}
41
42void enable_lasat_irq(unsigned int irq_nr)
43{
44 *lasat_int_mask |= (1 << irq_nr) << lasat_int_mask_shift;
45}
46
47static struct irq_chip lasat_irq_type = {
48 .name = "Lasat",
49 .ack = disable_lasat_irq,
50 .mask = disable_lasat_irq,
51 .mask_ack = disable_lasat_irq,
52 .unmask = enable_lasat_irq,
53};
54
55static inline int ls1bit32(unsigned int x)
56{
57 int b = 31, s;
58
59 s = 16; if (x << 16 == 0) s = 0; b -= s; x <<= s;
60 s = 8; if (x << 8 == 0) s = 0; b -= s; x <<= s;
61 s = 4; if (x << 4 == 0) s = 0; b -= s; x <<= s;
62 s = 2; if (x << 2 == 0) s = 0; b -= s; x <<= s;
63 s = 1; if (x << 1 == 0) s = 0; b -= s;
64
65 return b;
66}
67
68static unsigned long (*get_int_status)(void);
69
70static unsigned long get_int_status_100(void)
71{
72 return *lasat_int_status & *lasat_int_mask;
73}
74
75static unsigned long get_int_status_200(void)
76{
77 unsigned long int_status;
78
79 int_status = *lasat_int_status;
80 int_status &= (int_status >> LASATINT_MASK_SHIFT_200) & 0xffff;
81 return int_status;
82}
83
84asmlinkage void plat_irq_dispatch(void)
85{
86 unsigned long int_status;
87 unsigned int cause = read_c0_cause();
88 int irq;
89
90 if (cause & CAUSEF_IP7) { /* R4000 count / compare IRQ */
91 ll_timer_interrupt(7);
92 return;
93 }
94
95 int_status = get_int_status();
96
97 /* if int_status == 0, then the interrupt has already been cleared */
98 if (int_status) {
99 irq = ls1bit32(int_status);
100
101 do_IRQ(irq);
102 }
103}
104
105void __init arch_init_irq(void)
106{
107 int i;
108
109 switch (mips_machtype) {
110 case MACH_LASAT_100:
111 lasat_int_status = (void *)LASAT_INT_STATUS_REG_100;
112 lasat_int_mask = (void *)LASAT_INT_MASK_REG_100;
113 lasat_int_mask_shift = LASATINT_MASK_SHIFT_100;
114 get_int_status = get_int_status_100;
115 *lasat_int_mask = 0;
116 break;
117 case MACH_LASAT_200:
118 lasat_int_status = (void *)LASAT_INT_STATUS_REG_200;
119 lasat_int_mask = (void *)LASAT_INT_MASK_REG_200;
120 lasat_int_mask_shift = LASATINT_MASK_SHIFT_200;
121 get_int_status = get_int_status_200;
122 *lasat_int_mask &= 0xffff;
123 break;
124 default:
125 panic("arch_init_irq: mips_machtype incorrect");
126 }
127
128 for (i = 0; i <= LASATINT_END; i++)
129 set_irq_chip_and_handler(i, &lasat_irq_type, handle_level_irq);
130}
diff --git a/arch/mips/lasat/lasat_board.c b/arch/mips/lasat/lasat_board.c
new file mode 100644
index 000000000000..ec2f658c3709
--- /dev/null
+++ b/arch/mips/lasat/lasat_board.c
@@ -0,0 +1,280 @@
1/*
2 * Thomas Horsten <thh@lasat.com>
3 * Copyright (C) 2000 LASAT Networks A/S.
4 *
5 * This program is free software; you can distribute it and/or modify it
6 * under the terms of the GNU General Public License (Version 2) as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * for more details.
13 *
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
17 *
18 * Routines specific to the LASAT boards
19 */
20#include <linux/types.h>
21#include <linux/crc32.h>
22#include <asm/lasat/lasat.h>
23#include <linux/kernel.h>
24#include <linux/string.h>
25#include <linux/ctype.h>
26#include <asm/bootinfo.h>
27#include <asm/addrspace.h>
28#include "at93c.h"
29/* New model description table */
30#include "lasat_models.h"
31
32#define EEPROM_CRC(data, len) (~crc32(~0, data, len))
33
34struct lasat_info lasat_board_info;
35
36void update_bcastaddr(void);
37
38int EEPROMRead(unsigned int pos, unsigned char *data, int len)
39{
40 int i;
41
42 for (i = 0; i < len; i++)
43 *data++ = at93c_read(pos++);
44
45 return 0;
46}
47
48int EEPROMWrite(unsigned int pos, unsigned char *data, int len)
49{
50 int i;
51
52 for (i = 0; i < len; i++)
53 at93c_write(pos++, *data++);
54
55 return 0;
56}
57
58static void init_flash_sizes(void)
59{
60 unsigned long *lb = lasat_board_info.li_flashpart_base;
61 unsigned long *ls = lasat_board_info.li_flashpart_size;
62 int i;
63
64 ls[LASAT_MTD_BOOTLOADER] = 0x40000;
65 ls[LASAT_MTD_SERVICE] = 0xC0000;
66 ls[LASAT_MTD_NORMAL] = 0x100000;
67
68 if (mips_machtype == MACH_LASAT_100) {
69 lasat_board_info.li_flash_base = 0x1e000000;
70
71 lb[LASAT_MTD_BOOTLOADER] = 0x1e400000;
72
73 if (lasat_board_info.li_flash_size > 0x200000) {
74 ls[LASAT_MTD_CONFIG] = 0x100000;
75 ls[LASAT_MTD_FS] = 0x500000;
76 }
77 } else {
78 lasat_board_info.li_flash_base = 0x10000000;
79
80 if (lasat_board_info.li_flash_size < 0x1000000) {
81 lb[LASAT_MTD_BOOTLOADER] = 0x10000000;
82 ls[LASAT_MTD_CONFIG] = 0x100000;
83 if (lasat_board_info.li_flash_size >= 0x400000)
84 ls[LASAT_MTD_FS] =
85 lasat_board_info.li_flash_size - 0x300000;
86 }
87 }
88
89 for (i = 1; i < LASAT_MTD_LAST; i++)
90 lb[i] = lb[i-1] + ls[i-1];
91}
92
93int lasat_init_board_info(void)
94{
95 int c;
96 unsigned long crc;
97 unsigned long cfg0, cfg1;
98 const struct product_info *ppi;
99 int i_n_base_models = N_BASE_MODELS;
100 const char * const * i_txt_base_models = txt_base_models;
101 int i_n_prids = N_PRIDS;
102
103 memset(&lasat_board_info, 0, sizeof(lasat_board_info));
104
105 /* First read the EEPROM info */
106 EEPROMRead(0, (unsigned char *)&lasat_board_info.li_eeprom_info,
107 sizeof(struct lasat_eeprom_struct));
108
109 /* Check the CRC */
110 crc = EEPROM_CRC((unsigned char *)(&lasat_board_info.li_eeprom_info),
111 sizeof(struct lasat_eeprom_struct) - 4);
112
113 if (crc != lasat_board_info.li_eeprom_info.crc32) {
114 printk(KERN_WARNING "WARNING...\nWARNING...\nEEPROM CRC does "
115 "not match calculated, attempting to soldier on...\n");
116 }
117
118 if (lasat_board_info.li_eeprom_info.version != LASAT_EEPROM_VERSION) {
119 printk(KERN_WARNING "WARNING...\nWARNING...\nEEPROM version "
120 "%d, wanted version %d, attempting to soldier on...\n",
121 (unsigned int)lasat_board_info.li_eeprom_info.version,
122 LASAT_EEPROM_VERSION);
123 }
124
125 cfg0 = lasat_board_info.li_eeprom_info.cfg[0];
126 cfg1 = lasat_board_info.li_eeprom_info.cfg[1];
127
128 if (LASAT_W0_DSCTYPE(cfg0) != 1) {
129 printk(KERN_WARNING "WARNING...\nWARNING...\n"
130 "Invalid configuration read from EEPROM, attempting to "
131 "soldier on...");
132 }
133 /* We have a valid configuration */
134
135 switch (LASAT_W0_SDRAMBANKSZ(cfg0)) {
136 case 0:
137 lasat_board_info.li_memsize = 0x0800000;
138 break;
139 case 1:
140 lasat_board_info.li_memsize = 0x1000000;
141 break;
142 case 2:
143 lasat_board_info.li_memsize = 0x2000000;
144 break;
145 case 3:
146 lasat_board_info.li_memsize = 0x4000000;
147 break;
148 case 4:
149 lasat_board_info.li_memsize = 0x8000000;
150 break;
151 default:
152 lasat_board_info.li_memsize = 0;
153 }
154
155 switch (LASAT_W0_SDRAMBANKS(cfg0)) {
156 case 0:
157 break;
158 case 1:
159 lasat_board_info.li_memsize *= 2;
160 break;
161 default:
162 break;
163 }
164
165 switch (LASAT_W0_BUSSPEED(cfg0)) {
166 case 0x0:
167 lasat_board_info.li_bus_hz = 60000000;
168 break;
169 case 0x1:
170 lasat_board_info.li_bus_hz = 66000000;
171 break;
172 case 0x2:
173 lasat_board_info.li_bus_hz = 66666667;
174 break;
175 case 0x3:
176 lasat_board_info.li_bus_hz = 80000000;
177 break;
178 case 0x4:
179 lasat_board_info.li_bus_hz = 83333333;
180 break;
181 case 0x5:
182 lasat_board_info.li_bus_hz = 100000000;
183 break;
184 }
185
186 switch (LASAT_W0_CPUCLK(cfg0)) {
187 case 0x0:
188 lasat_board_info.li_cpu_hz =
189 lasat_board_info.li_bus_hz;
190 break;
191 case 0x1:
192 lasat_board_info.li_cpu_hz =
193 lasat_board_info.li_bus_hz +
194 (lasat_board_info.li_bus_hz >> 1);
195 break;
196 case 0x2:
197 lasat_board_info.li_cpu_hz =
198 lasat_board_info.li_bus_hz +
199 lasat_board_info.li_bus_hz;
200 break;
201 case 0x3:
202 lasat_board_info.li_cpu_hz =
203 lasat_board_info.li_bus_hz +
204 lasat_board_info.li_bus_hz +
205 (lasat_board_info.li_bus_hz >> 1);
206 break;
207 case 0x4:
208 lasat_board_info.li_cpu_hz =
209 lasat_board_info.li_bus_hz +
210 lasat_board_info.li_bus_hz +
211 lasat_board_info.li_bus_hz;
212 break;
213 }
214
215 /* Flash size */
216 switch (LASAT_W1_FLASHSIZE(cfg1)) {
217 case 0:
218 lasat_board_info.li_flash_size = 0x200000;
219 break;
220 case 1:
221 lasat_board_info.li_flash_size = 0x400000;
222 break;
223 case 2:
224 lasat_board_info.li_flash_size = 0x800000;
225 break;
226 case 3:
227 lasat_board_info.li_flash_size = 0x1000000;
228 break;
229 case 4:
230 lasat_board_info.li_flash_size = 0x2000000;
231 break;
232 }
233
234 init_flash_sizes();
235
236 lasat_board_info.li_bmid = LASAT_W0_BMID(cfg0);
237 lasat_board_info.li_prid = lasat_board_info.li_eeprom_info.prid;
238 if (lasat_board_info.li_prid == 0xffff || lasat_board_info.li_prid == 0)
239 lasat_board_info.li_prid = lasat_board_info.li_bmid;
240
241 /* Base model stuff */
242 if (lasat_board_info.li_bmid > i_n_base_models)
243 lasat_board_info.li_bmid = i_n_base_models;
244 strcpy(lasat_board_info.li_bmstr,
245 i_txt_base_models[lasat_board_info.li_bmid]);
246
247 /* Product ID dependent values */
248 c = lasat_board_info.li_prid;
249 if (c >= i_n_prids) {
250 strcpy(lasat_board_info.li_namestr, "Unknown Model");
251 strcpy(lasat_board_info.li_typestr, "Unknown Type");
252 } else {
253 ppi = &vendor_info_table[0].vi_product_info[c];
254 strcpy(lasat_board_info.li_namestr, ppi->pi_name);
255 if (ppi->pi_type)
256 strcpy(lasat_board_info.li_typestr, ppi->pi_type);
257 else
258 sprintf(lasat_board_info.li_typestr, "%d", 10 * c);
259 }
260
261#if defined(CONFIG_INET) && defined(CONFIG_SYSCTL)
262 update_bcastaddr();
263#endif
264
265 return 0;
266}
267
268void lasat_write_eeprom_info(void)
269{
270 unsigned long crc;
271
272 /* Generate the CRC */
273 crc = EEPROM_CRC((unsigned char *)(&lasat_board_info.li_eeprom_info),
274 sizeof(struct lasat_eeprom_struct) - 4);
275 lasat_board_info.li_eeprom_info.crc32 = crc;
276
277 /* Write the EEPROM info */
278 EEPROMWrite(0, (unsigned char *)&lasat_board_info.li_eeprom_info,
279 sizeof(struct lasat_eeprom_struct));
280}
diff --git a/arch/mips/lasat/lasat_models.h b/arch/mips/lasat/lasat_models.h
new file mode 100644
index 000000000000..e1cbd26ae1b3
--- /dev/null
+++ b/arch/mips/lasat/lasat_models.h
@@ -0,0 +1,67 @@
1/*
2 * Model description tables
3 */
4#include <linux/kernel.h>
5
6struct product_info {
7 const char *pi_name;
8 const char *pi_type;
9};
10
11struct vendor_info {
12 const char *vi_name;
13 const struct product_info *vi_product_info;
14};
15
16/*
17 * Base models
18 */
19static const char * const txt_base_models[] = {
20 "MQ 2", "MQ Pro", "SP 25", "SP 50", "SP 100", "SP 5000", "SP 7000",
21 "SP 1000", "Unknown"
22};
23#define N_BASE_MODELS (ARRAY_SIZE(txt_base_models) - 1)
24
25/*
26 * Eicon Networks
27 */
28static const char txt_en_mq[] = "Masquerade";
29static const char txt_en_sp[] = "Safepipe";
30
31static const struct product_info product_info_eicon[] = {
32 { txt_en_mq, "II" }, /* 0 */
33 { txt_en_mq, "Pro" }, /* 1 */
34 { txt_en_sp, "25" }, /* 2 */
35 { txt_en_sp, "50" }, /* 3 */
36 { txt_en_sp, "100" }, /* 4 */
37 { txt_en_sp, "5000" }, /* 5 */
38 { txt_en_sp, "7000" }, /* 6 */
39 { txt_en_sp, "30" }, /* 7 */
40 { txt_en_sp, "5100" }, /* 8 */
41 { txt_en_sp, "7100" }, /* 9 */
42 { txt_en_sp, "1110" }, /* 10 */
43 { txt_en_sp, "3020" }, /* 11 */
44 { txt_en_sp, "3030" }, /* 12 */
45 { txt_en_sp, "5020" }, /* 13 */
46 { txt_en_sp, "5030" }, /* 14 */
47 { txt_en_sp, "1120" }, /* 15 */
48 { txt_en_sp, "1130" }, /* 16 */
49 { txt_en_sp, "6010" }, /* 17 */
50 { txt_en_sp, "6110" }, /* 18 */
51 { txt_en_sp, "6210" }, /* 19 */
52 { txt_en_sp, "1020" }, /* 20 */
53 { txt_en_sp, "1040" }, /* 21 */
54 { txt_en_sp, "1050" }, /* 22 */
55 { txt_en_sp, "1060" }, /* 23 */
56};
57
58#define N_PRIDS ARRAY_SIZE(product_info_eicon)
59
60/*
61 * The vendor table
62 */
63static struct vendor_info const vendor_info_table[] = {
64 { "Eicon Networks", product_info_eicon },
65};
66
67#define N_VENDORS ARRAY_SIZE(vendor_info_table)
diff --git a/arch/mips/lasat/picvue.c b/arch/mips/lasat/picvue.c
new file mode 100644
index 000000000000..6471d0663fd8
--- /dev/null
+++ b/arch/mips/lasat/picvue.c
@@ -0,0 +1,244 @@
1/*
2 * Picvue PVC160206 display driver
3 *
4 * Brian Murphy <brian@murphy.dk>
5 *
6 */
7#include <linux/kernel.h>
8#include <linux/delay.h>
9#include <asm/bootinfo.h>
10#include <asm/lasat/lasat.h>
11#include <linux/module.h>
12#include <linux/init.h>
13#include <linux/errno.h>
14#include <linux/string.h>
15
16#include "picvue.h"
17
18#define PVC_BUSY 0x80
19#define PVC_NLINES 2
20#define PVC_DISPMEM 80
21#define PVC_LINELEN PVC_DISPMEM / PVC_NLINES
22
23struct pvc_defs *picvue;
24
25DECLARE_MUTEX(pvc_sem);
26
27static void pvc_reg_write(u32 val)
28{
29 *picvue->reg = val;
30}
31
32static u32 pvc_reg_read(void)
33{
34 u32 tmp = *picvue->reg;
35 return tmp;
36}
37
38static void pvc_write_byte(u32 data, u8 byte)
39{
40 data |= picvue->e;
41 pvc_reg_write(data);
42 data &= ~picvue->data_mask;
43 data |= byte << picvue->data_shift;
44 pvc_reg_write(data);
45 ndelay(220);
46 pvc_reg_write(data & ~picvue->e);
47 ndelay(220);
48}
49
50static u8 pvc_read_byte(u32 data)
51{
52 u8 byte;
53
54 data |= picvue->e;
55 pvc_reg_write(data);
56 ndelay(220);
57 byte = (pvc_reg_read() & picvue->data_mask) >> picvue->data_shift;
58 data &= ~picvue->e;
59 pvc_reg_write(data);
60 ndelay(220);
61 return byte;
62}
63
64static u8 pvc_read_data(void)
65{
66 u32 data = pvc_reg_read();
67 u8 byte;
68 data |= picvue->rw;
69 data &= ~picvue->rs;
70 pvc_reg_write(data);
71 ndelay(40);
72 byte = pvc_read_byte(data);
73 data |= picvue->rs;
74 pvc_reg_write(data);
75 return byte;
76}
77
78#define TIMEOUT 1000
79static int pvc_wait(void)
80{
81 int i = TIMEOUT;
82 int err = 0;
83
84 while ((pvc_read_data() & PVC_BUSY) && i)
85 i--;
86 if (i == 0)
87 err = -ETIME;
88
89 return err;
90}
91
92#define MODE_INST 0
93#define MODE_DATA 1
94static void pvc_write(u8 byte, int mode)
95{
96 u32 data = pvc_reg_read();
97 data &= ~picvue->rw;
98 if (mode == MODE_DATA)
99 data |= picvue->rs;
100 else
101 data &= ~picvue->rs;
102 pvc_reg_write(data);
103 ndelay(40);
104 pvc_write_byte(data, byte);
105 if (mode == MODE_DATA)
106 data &= ~picvue->rs;
107 else
108 data |= picvue->rs;
109 pvc_reg_write(data);
110 pvc_wait();
111}
112
113void pvc_write_string(const unsigned char *str, u8 addr, int line)
114{
115 int i = 0;
116
117 if (line > 0 && (PVC_NLINES > 1))
118 addr += 0x40 * line;
119 pvc_write(0x80 | addr, MODE_INST);
120
121 while (*str != 0 && i < PVC_LINELEN) {
122 pvc_write(*str++, MODE_DATA);
123 i++;
124 }
125}
126
127void pvc_write_string_centered(const unsigned char *str, int line)
128{
129 int len = strlen(str);
130 u8 addr;
131
132 if (len > PVC_VISIBLE_CHARS)
133 addr = 0;
134 else
135 addr = (PVC_VISIBLE_CHARS - strlen(str))/2;
136
137 pvc_write_string(str, addr, line);
138}
139
140void pvc_dump_string(const unsigned char *str)
141{
142 int len = strlen(str);
143
144 pvc_write_string(str, 0, 0);
145 if (len > PVC_VISIBLE_CHARS)
146 pvc_write_string(&str[PVC_VISIBLE_CHARS], 0, 1);
147}
148
149#define BM_SIZE 8
150#define MAX_PROGRAMMABLE_CHARS 8
151int pvc_program_cg(int charnum, u8 bitmap[BM_SIZE])
152{
153 int i;
154 int addr;
155
156 if (charnum > MAX_PROGRAMMABLE_CHARS)
157 return -ENOENT;
158
159 addr = charnum * 8;
160 pvc_write(0x40 | addr, MODE_INST);
161
162 for (i = 0; i < BM_SIZE; i++)
163 pvc_write(bitmap[i], MODE_DATA);
164 return 0;
165}
166
167#define FUNC_SET_CMD 0x20
168#define EIGHT_BYTE (1 << 4)
169#define FOUR_BYTE 0
170#define TWO_LINES (1 << 3)
171#define ONE_LINE 0
172#define LARGE_FONT (1 << 2)
173#define SMALL_FONT 0
174
175static void pvc_funcset(u8 cmd)
176{
177 pvc_write(FUNC_SET_CMD | (cmd & (EIGHT_BYTE|TWO_LINES|LARGE_FONT)),
178 MODE_INST);
179}
180
181#define ENTRYMODE_CMD 0x4
182#define AUTO_INC (1 << 1)
183#define AUTO_DEC 0
184#define CURSOR_FOLLOWS_DISP (1 << 0)
185
186static void pvc_entrymode(u8 cmd)
187{
188 pvc_write(ENTRYMODE_CMD | (cmd & (AUTO_INC|CURSOR_FOLLOWS_DISP)),
189 MODE_INST);
190}
191
192#define DISP_CNT_CMD 0x08
193#define DISP_OFF 0
194#define DISP_ON (1 << 2)
195#define CUR_ON (1 << 1)
196#define CUR_BLINK (1 << 0)
197void pvc_dispcnt(u8 cmd)
198{
199 pvc_write(DISP_CNT_CMD | (cmd & (DISP_ON|CUR_ON|CUR_BLINK)), MODE_INST);
200}
201
202#define MOVE_CMD 0x10
203#define DISPLAY (1 << 3)
204#define CURSOR 0
205#define RIGHT (1 << 2)
206#define LEFT 0
207void pvc_move(u8 cmd)
208{
209 pvc_write(MOVE_CMD | (cmd & (DISPLAY|RIGHT)), MODE_INST);
210}
211
212#define CLEAR_CMD 0x1
213void pvc_clear(void)
214{
215 pvc_write(CLEAR_CMD, MODE_INST);
216}
217
218#define HOME_CMD 0x2
219void pvc_home(void)
220{
221 pvc_write(HOME_CMD, MODE_INST);
222}
223
224int pvc_init(void)
225{
226 u8 cmd = EIGHT_BYTE;
227
228 if (PVC_NLINES == 2)
229 cmd |= (SMALL_FONT|TWO_LINES);
230 else
231 cmd |= (LARGE_FONT|ONE_LINE);
232 pvc_funcset(cmd);
233 pvc_dispcnt(DISP_ON);
234 pvc_entrymode(AUTO_INC);
235
236 pvc_clear();
237 pvc_write_string_centered("Display", 0);
238 pvc_write_string_centered("Initialized", 1);
239
240 return 0;
241}
242
243module_init(pvc_init);
244MODULE_LICENSE("GPL");
diff --git a/arch/mips/lasat/picvue.h b/arch/mips/lasat/picvue.h
new file mode 100644
index 000000000000..2a96bf971897
--- /dev/null
+++ b/arch/mips/lasat/picvue.h
@@ -0,0 +1,48 @@
1/*
2 * Picvue PVC160206 display driver
3 *
4 * Brian Murphy <brian.murphy@eicon.com>
5 *
6 */
7#include <asm/semaphore.h>
8
9struct pvc_defs {
10 volatile u32 *reg;
11 u32 data_shift;
12 u32 data_mask;
13 u32 e;
14 u32 rw;
15 u32 rs;
16};
17
18extern struct pvc_defs *picvue;
19
20#define PVC_NLINES 2
21#define PVC_DISPMEM 80
22#define PVC_LINELEN PVC_DISPMEM / PVC_NLINES
23#define PVC_VISIBLE_CHARS 16
24
25void pvc_write_string(const unsigned char *str, u8 addr, int line);
26void pvc_write_string_centered(const unsigned char *str, int line);
27void pvc_dump_string(const unsigned char *str);
28
29#define BM_SIZE 8
30#define MAX_PROGRAMMABLE_CHARS 8
31int pvc_program_cg(int charnum, u8 bitmap[BM_SIZE]);
32
33void pvc_dispcnt(u8 cmd);
34#define DISP_OFF 0
35#define DISP_ON (1 << 2)
36#define CUR_ON (1 << 1)
37#define CUR_BLINK (1 << 0)
38
39void pvc_move(u8 cmd);
40#define DISPLAY (1 << 3)
41#define CURSOR 0
42#define RIGHT (1 << 2)
43#define LEFT 0
44
45void pvc_clear(void);
46void pvc_home(void);
47
48extern struct semaphore pvc_sem;
diff --git a/arch/mips/lasat/picvue_proc.c b/arch/mips/lasat/picvue_proc.c
new file mode 100644
index 000000000000..9947c1525822
--- /dev/null
+++ b/arch/mips/lasat/picvue_proc.c
@@ -0,0 +1,191 @@
1/*
2 * Picvue PVC160206 display driver
3 *
4 * Brian Murphy <brian.murphy@eicon.com>
5 *
6 */
7#include <linux/kernel.h>
8#include <linux/module.h>
9#include <linux/init.h>
10#include <linux/errno.h>
11
12#include <linux/proc_fs.h>
13#include <linux/interrupt.h>
14
15#include <linux/timer.h>
16
17#include "picvue.h"
18
19static char pvc_lines[PVC_NLINES][PVC_LINELEN+1];
20static int pvc_linedata[PVC_NLINES];
21static struct proc_dir_entry *pvc_display_dir;
22static char *pvc_linename[PVC_NLINES] = {"line1", "line2"};
23#define DISPLAY_DIR_NAME "display"
24static int scroll_dir, scroll_interval;
25
26static struct timer_list timer;
27
28static void pvc_display(unsigned long data)
29{
30 int i;
31
32 pvc_clear();
33 for (i = 0; i < PVC_NLINES; i++)
34 pvc_write_string(pvc_lines[i], 0, i);
35}
36
37static DECLARE_TASKLET(pvc_display_tasklet, &pvc_display, 0);
38
39static int pvc_proc_read_line(char *page, char **start,
40 off_t off, int count,
41 int *eof, void *data)
42{
43 char *origpage = page;
44 int lineno = *(int *)data;
45
46 if (lineno < 0 || lineno > PVC_NLINES) {
47 printk(KERN_WARNING "proc_read_line: invalid lineno %d\n", lineno);
48 return 0;
49 }
50
51 down(&pvc_sem);
52 page += sprintf(page, "%s\n", pvc_lines[lineno]);
53 up(&pvc_sem);
54
55 return page - origpage;
56}
57
58static int pvc_proc_write_line(struct file *file, const char *buffer,
59 unsigned long count, void *data)
60{
61 int origcount = count;
62 int lineno = *(int *)data;
63
64 if (lineno < 0 || lineno > PVC_NLINES) {
65 printk(KERN_WARNING "proc_write_line: invalid lineno %d\n",
66 lineno);
67 return origcount;
68 }
69
70 if (count > PVC_LINELEN)
71 count = PVC_LINELEN;
72
73 if (buffer[count-1] == '\n')
74 count--;
75
76 down(&pvc_sem);
77 strncpy(pvc_lines[lineno], buffer, count);
78 pvc_lines[lineno][count] = '\0';
79 up(&pvc_sem);
80
81 tasklet_schedule(&pvc_display_tasklet);
82
83 return origcount;
84}
85
86static int pvc_proc_write_scroll(struct file *file, const char *buffer,
87 unsigned long count, void *data)
88{
89 int origcount = count;
90 int cmd = simple_strtol(buffer, NULL, 10);
91
92 down(&pvc_sem);
93 if (scroll_interval != 0)
94 del_timer(&timer);
95
96 if (cmd == 0) {
97 scroll_dir = 0;
98 scroll_interval = 0;
99 } else {
100 if (cmd < 0) {
101 scroll_dir = -1;
102 scroll_interval = -cmd;
103 } else {
104 scroll_dir = 1;
105 scroll_interval = cmd;
106 }
107 add_timer(&timer);
108 }
109 up(&pvc_sem);
110
111 return origcount;
112}
113
114static int pvc_proc_read_scroll(char *page, char **start,
115 off_t off, int count,
116 int *eof, void *data)
117{
118 char *origpage = page;
119
120 down(&pvc_sem);
121 page += sprintf(page, "%d\n", scroll_dir * scroll_interval);
122 up(&pvc_sem);
123
124 return page - origpage;
125}
126
127
128void pvc_proc_timerfunc(unsigned long data)
129{
130 if (scroll_dir < 0)
131 pvc_move(DISPLAY|RIGHT);
132 else if (scroll_dir > 0)
133 pvc_move(DISPLAY|LEFT);
134
135 timer.expires = jiffies + scroll_interval;
136 add_timer(&timer);
137}
138
139static void pvc_proc_cleanup(void)
140{
141 int i;
142 for (i = 0; i < PVC_NLINES; i++)
143 remove_proc_entry(pvc_linename[i], pvc_display_dir);
144 remove_proc_entry("scroll", pvc_display_dir);
145 remove_proc_entry(DISPLAY_DIR_NAME, NULL);
146
147 del_timer(&timer);
148}
149
150static int __init pvc_proc_init(void)
151{
152 struct proc_dir_entry *proc_entry;
153 int i;
154
155 pvc_display_dir = proc_mkdir(DISPLAY_DIR_NAME, NULL);
156 if (pvc_display_dir == NULL)
157 goto error;
158
159 for (i = 0; i < PVC_NLINES; i++) {
160 strcpy(pvc_lines[i], "");
161 pvc_linedata[i] = i;
162 }
163 for (i = 0; i < PVC_NLINES; i++) {
164 proc_entry = create_proc_entry(pvc_linename[i], 0644,
165 pvc_display_dir);
166 if (proc_entry == NULL)
167 goto error;
168
169 proc_entry->read_proc = pvc_proc_read_line;
170 proc_entry->write_proc = pvc_proc_write_line;
171 proc_entry->data = &pvc_linedata[i];
172 }
173 proc_entry = create_proc_entry("scroll", 0644, pvc_display_dir);
174 if (proc_entry == NULL)
175 goto error;
176
177 proc_entry->write_proc = pvc_proc_write_scroll;
178 proc_entry->read_proc = pvc_proc_read_scroll;
179
180 init_timer(&timer);
181 timer.function = pvc_proc_timerfunc;
182
183 return 0;
184error:
185 pvc_proc_cleanup();
186 return -ENOMEM;
187}
188
189module_init(pvc_proc_init);
190module_exit(pvc_proc_cleanup);
191MODULE_LICENSE("GPL");
diff --git a/arch/mips/lasat/prom.c b/arch/mips/lasat/prom.c
new file mode 100644
index 000000000000..4b80fffcf262
--- /dev/null
+++ b/arch/mips/lasat/prom.c
@@ -0,0 +1,128 @@
1/*
2 * PROM interface routines.
3 */
4#include <linux/types.h>
5#include <linux/init.h>
6#include <linux/string.h>
7#include <linux/ctype.h>
8#include <linux/kernel.h>
9#include <linux/mm.h>
10#include <linux/bootmem.h>
11#include <linux/ioport.h>
12#include <asm/bootinfo.h>
13#include <asm/lasat/lasat.h>
14#include <asm/cpu.h>
15
16#include "at93c.h"
17#include <asm/lasat/eeprom.h>
18#include "prom.h"
19
20#define RESET_VECTOR 0xbfc00000
21#define PROM_JUMP_TABLE_ENTRY(n) (*((u32 *)(RESET_VECTOR + 0x20) + n))
22#define PROM_DISPLAY_ADDR PROM_JUMP_TABLE_ENTRY(0)
23#define PROM_PUTC_ADDR PROM_JUMP_TABLE_ENTRY(1)
24#define PROM_MONITOR_ADDR PROM_JUMP_TABLE_ENTRY(2)
25
26static void null_prom_display(const char *string, int pos, int clear)
27{
28}
29
30static void null_prom_monitor(void)
31{
32}
33
34static void null_prom_putc(char c)
35{
36}
37
38/* these are functions provided by the bootloader */
39static void (*__prom_putc)(char c) = null_prom_putc;
40
41void prom_putchar(char c)
42{
43 __prom_putc(c);
44}
45
46void (*prom_display)(const char *string, int pos, int clear) =
47 null_prom_display;
48void (*prom_monitor)(void) = null_prom_monitor;
49
50unsigned int lasat_ndelay_divider;
51
52static void setup_prom_vectors(void)
53{
54 u32 version = *(u32 *)(RESET_VECTOR + 0x90);
55
56 if (version >= 307) {
57 prom_display = (void *)PROM_DISPLAY_ADDR;
58 __prom_putc = (void *)PROM_PUTC_ADDR;
59 prom_monitor = (void *)PROM_MONITOR_ADDR;
60 }
61 printk(KERN_DEBUG "prom vectors set up\n");
62}
63
64static struct at93c_defs at93c_defs[N_MACHTYPES] = {
65 {
66 .reg = (void *)AT93C_REG_100,
67 .rdata_reg = (void *)AT93C_RDATA_REG_100,
68 .rdata_shift = AT93C_RDATA_SHIFT_100,
69 .wdata_shift = AT93C_WDATA_SHIFT_100,
70 .cs = AT93C_CS_M_100,
71 .clk = AT93C_CLK_M_100
72 }, {
73 .reg = (void *)AT93C_REG_200,
74 .rdata_reg = (void *)AT93C_RDATA_REG_200,
75 .rdata_shift = AT93C_RDATA_SHIFT_200,
76 .wdata_shift = AT93C_WDATA_SHIFT_200,
77 .cs = AT93C_CS_M_200,
78 .clk = AT93C_CLK_M_200
79 },
80};
81
82void __init prom_init(void)
83{
84 int argc = fw_arg0;
85 char **argv = (char **) fw_arg1;
86
87 setup_prom_vectors();
88
89 if (current_cpu_data.cputype == CPU_R5000) {
90 printk(KERN_INFO "LASAT 200 board\n");
91 mips_machtype = MACH_LASAT_200;
92 lasat_ndelay_divider = LASAT_200_DIVIDER;
93 } else {
94 printk(KERN_INFO "LASAT 100 board\n");
95 mips_machtype = MACH_LASAT_100;
96 lasat_ndelay_divider = LASAT_100_DIVIDER;
97 }
98
99 at93c = &at93c_defs[mips_machtype];
100
101 lasat_init_board_info(); /* Read info from EEPROM */
102
103 mips_machgroup = MACH_GROUP_LASAT;
104
105 /* Get the command line */
106 if (argc > 0) {
107 strncpy(arcs_cmdline, argv[0], CL_SIZE-1);
108 arcs_cmdline[CL_SIZE-1] = '\0';
109 }
110
111 /* Set the I/O base address */
112 set_io_port_base(KSEG1);
113
114 /* Set memory regions */
115 ioport_resource.start = 0;
116 ioport_resource.end = 0xffffffff; /* Wrong, fixme. */
117
118 add_memory_region(0, lasat_board_info.li_memsize, BOOT_MEM_RAM);
119}
120
121void __init prom_free_prom_memory(void)
122{
123}
124
125const char *get_system_type(void)
126{
127 return lasat_board_info.li_bmstr;
128}
diff --git a/arch/mips/lasat/prom.h b/arch/mips/lasat/prom.h
new file mode 100644
index 000000000000..337acbc27442
--- /dev/null
+++ b/arch/mips/lasat/prom.h
@@ -0,0 +1,7 @@
1#ifndef __PROM_H
2#define __PROM_H
3
4extern void (*prom_display)(const char *string, int pos, int clear);
5extern void (*prom_monitor)(void);
6
7#endif /* __PROM_H */
diff --git a/arch/mips/lasat/reset.c b/arch/mips/lasat/reset.c
new file mode 100644
index 000000000000..b1e7a89fb730
--- /dev/null
+++ b/arch/mips/lasat/reset.c
@@ -0,0 +1,61 @@
1/*
2 * Thomas Horsten <thh@lasat.com>
3 * Copyright (C) 2000 LASAT Networks A/S.
4 *
5 * This program is free software; you can distribute it and/or modify it
6 * under the terms of the GNU General Public License (Version 2) as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * for more details.
13 *
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
17 *
18 * Reset the LASAT board.
19 */
20#include <linux/kernel.h>
21#include <linux/pm.h>
22
23#include <asm/reboot.h>
24#include <asm/system.h>
25#include <asm/lasat/lasat.h>
26
27#include "picvue.h"
28#include "prom.h"
29
30static void lasat_machine_restart(char *command);
31static void lasat_machine_halt(void);
32
33/* Used to set machine to boot in service mode via /proc interface */
34int lasat_boot_to_service;
35
36static void lasat_machine_restart(char *command)
37{
38 local_irq_disable();
39
40 if (lasat_boot_to_service) {
41 *(volatile unsigned int *)0xa0000024 = 0xdeadbeef;
42 *(volatile unsigned int *)0xa00000fc = 0xfedeabba;
43 }
44 *lasat_misc->reset_reg = 0xbedead;
45 for (;;) ;
46}
47
48static void lasat_machine_halt(void)
49{
50 local_irq_disable();
51
52 prom_monitor();
53 for (;;) ;
54}
55
56void lasat_reboot_setup(void)
57{
58 _machine_restart = lasat_machine_restart;
59 _machine_halt = lasat_machine_halt;
60 pm_power_off = lasat_machine_halt;
61}
diff --git a/arch/mips/lasat/serial.c b/arch/mips/lasat/serial.c
new file mode 100644
index 000000000000..205bd397d75b
--- /dev/null
+++ b/arch/mips/lasat/serial.c
@@ -0,0 +1,94 @@
1/*
2 * Registration of Lasat UART platform device.
3 *
4 * Copyright (C) 2007 Brian Murphy <brian@murphy.dk>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20#include <linux/errno.h>
21#include <linux/init.h>
22#include <linux/ioport.h>
23#include <linux/platform_device.h>
24#include <linux/serial_8250.h>
25
26#include <asm/bootinfo.h>
27#include <asm/lasat/lasat.h>
28#include <asm/lasat/serial.h>
29
30static struct resource lasat_serial_res[2] __initdata;
31
32static struct plat_serial8250_port lasat_serial8250_port[] = {
33 {
34 .iotype = UPIO_MEM,
35 .flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF |
36 UPF_SKIP_TEST,
37 },
38 {},
39};
40
41static __init int lasat_uart_add(void)
42{
43 struct platform_device *pdev;
44 int retval;
45
46 pdev = platform_device_alloc("serial8250", -1);
47 if (!pdev)
48 return -ENOMEM;
49
50 if (mips_machtype == MACH_LASAT_100) {
51 lasat_serial_res[0].start = KSEG1ADDR(LASAT_UART_REGS_BASE_100);
52 lasat_serial_res[0].end = lasat_serial_res[0].start + LASAT_UART_REGS_SHIFT_100 * 8 - 1;
53 lasat_serial_res[0].flags = IORESOURCE_MEM;
54 lasat_serial_res[1].start = LASATINT_UART_100;
55 lasat_serial_res[1].end = LASATINT_UART_100;
56 lasat_serial_res[1].flags = IORESOURCE_IRQ;
57
58 lasat_serial8250_port[0].mapbase = LASAT_UART_REGS_BASE_100;
59 lasat_serial8250_port[0].uartclk = LASAT_BASE_BAUD_100 * 16;
60 lasat_serial8250_port[0].regshift = LASAT_UART_REGS_SHIFT_100;
61 lasat_serial8250_port[0].irq = LASATINT_UART_100;
62 } else {
63 lasat_serial_res[0].start = KSEG1ADDR(LASAT_UART_REGS_BASE_200);
64 lasat_serial_res[0].end = lasat_serial_res[0].start + LASAT_UART_REGS_SHIFT_200 * 8 - 1;
65 lasat_serial_res[0].flags = IORESOURCE_MEM;
66 lasat_serial_res[1].start = LASATINT_UART_200;
67 lasat_serial_res[1].end = LASATINT_UART_200;
68 lasat_serial_res[1].flags = IORESOURCE_IRQ;
69
70 lasat_serial8250_port[0].mapbase = LASAT_UART_REGS_BASE_200;
71 lasat_serial8250_port[0].uartclk = LASAT_BASE_BAUD_200 * 16;
72 lasat_serial8250_port[0].regshift = LASAT_UART_REGS_SHIFT_200;
73 lasat_serial8250_port[0].irq = LASATINT_UART_200;
74 }
75
76 pdev->id = PLAT8250_DEV_PLATFORM;
77 pdev->dev.platform_data = lasat_serial8250_port;
78
79 retval = platform_device_add_resources(pdev, lasat_serial_res, ARRAY_SIZE(lasat_serial_res));
80 if (retval)
81 goto err_free_device;
82
83 retval = platform_device_add(pdev);
84 if (retval)
85 goto err_free_device;
86
87 return 0;
88
89err_free_device:
90 platform_device_put(pdev);
91
92 return retval;
93}
94device_initcall(lasat_uart_add);
diff --git a/arch/mips/lasat/setup.c b/arch/mips/lasat/setup.c
new file mode 100644
index 000000000000..187e37821d93
--- /dev/null
+++ b/arch/mips/lasat/setup.c
@@ -0,0 +1,158 @@
1/*
2 * Carsten Langgaard, carstenl@mips.com
3 * Copyright (C) 1999 MIPS Technologies, Inc. All rights reserved.
4 *
5 * Thomas Horsten <thh@lasat.com>
6 * Copyright (C) 2000 LASAT Networks A/S.
7 *
8 * Brian Murphy <brian@murphy.dk>
9 *
10 * This program is free software; you can distribute it and/or modify it
11 * under the terms of the GNU General Public License (Version 2) as
12 * published by the Free Software Foundation.
13 *
14 * This program is distributed in the hope it will be useful, but WITHOUT
15 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
16 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 * for more details.
18 *
19 * You should have received a copy of the GNU General Public License along
20 * with this program; if not, write to the Free Software Foundation, Inc.,
21 * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
22 *
23 * Lasat specific setup.
24 */
25#include <linux/init.h>
26#include <linux/sched.h>
27#include <linux/pci.h>
28#include <linux/interrupt.h>
29#include <linux/tty.h>
30
31#include <asm/time.h>
32#include <asm/cpu.h>
33#include <asm/bootinfo.h>
34#include <asm/irq.h>
35#include <asm/lasat/lasat.h>
36#include <asm/lasat/serial.h>
37
38#ifdef CONFIG_PICVUE
39#include <linux/notifier.h>
40#endif
41
42#include "ds1603.h"
43#include <asm/lasat/ds1603.h>
44#include <asm/lasat/picvue.h>
45#include <asm/lasat/eeprom.h>
46
47#include "prom.h"
48
49int lasat_command_line;
50void lasatint_init(void);
51
52extern void lasat_reboot_setup(void);
53extern void pcisetup(void);
54extern void edhac_init(void *, void *, void *);
55extern void addrflt_init(void);
56
57struct lasat_misc lasat_misc_info[N_MACHTYPES] = {
58 {
59 .reset_reg = (void *)KSEG1ADDR(0x1c840000),
60 .flash_wp_reg = (void *)KSEG1ADDR(0x1c800000), 2
61 }, {
62 .reset_reg = (void *)KSEG1ADDR(0x11080000),
63 .flash_wp_reg = (void *)KSEG1ADDR(0x11000000), 6
64 }
65};
66
67struct lasat_misc *lasat_misc;
68
69#ifdef CONFIG_DS1603
70static struct ds_defs ds_defs[N_MACHTYPES] = {
71 { (void *)DS1603_REG_100, (void *)DS1603_REG_100,
72 DS1603_RST_100, DS1603_CLK_100, DS1603_DATA_100,
73 DS1603_DATA_SHIFT_100, 0, 0 },
74 { (void *)DS1603_REG_200, (void *)DS1603_DATA_REG_200,
75 DS1603_RST_200, DS1603_CLK_200, DS1603_DATA_200,
76 DS1603_DATA_READ_SHIFT_200, 1, 2000 }
77};
78#endif
79
80#ifdef CONFIG_PICVUE
81#include "picvue.h"
82static struct pvc_defs pvc_defs[N_MACHTYPES] = {
83 { (void *)PVC_REG_100, PVC_DATA_SHIFT_100, PVC_DATA_M_100,
84 PVC_E_100, PVC_RW_100, PVC_RS_100 },
85 { (void *)PVC_REG_200, PVC_DATA_SHIFT_200, PVC_DATA_M_200,
86 PVC_E_200, PVC_RW_200, PVC_RS_200 }
87};
88#endif
89
90static int lasat_panic_display(struct notifier_block *this,
91 unsigned long event, void *ptr)
92{
93#ifdef CONFIG_PICVUE
94 unsigned char *string = ptr;
95 if (string == NULL)
96 string = "Kernel Panic";
97 pvc_dump_string(string);
98#endif
99 return NOTIFY_DONE;
100}
101
102static int lasat_panic_prom_monitor(struct notifier_block *this,
103 unsigned long event, void *ptr)
104{
105 prom_monitor();
106 return NOTIFY_DONE;
107}
108
109static struct notifier_block lasat_panic_block[] =
110{
111 {
112 .notifier_call = lasat_panic_display,
113 .priority = INT_MAX
114 }, {
115 .notifier_call = lasat_panic_prom_monitor,
116 .priority = INT_MIN
117 }
118};
119
120static void lasat_time_init(void)
121{
122 mips_hpt_frequency = lasat_board_info.li_cpu_hz / 2;
123}
124
125void __init plat_timer_setup(struct irqaction *irq)
126{
127 change_c0_status(ST0_IM, IE_IRQ0 | IE_IRQ5);
128}
129
130void __init plat_mem_setup(void)
131{
132 int i;
133 lasat_misc = &lasat_misc_info[mips_machtype];
134#ifdef CONFIG_PICVUE
135 picvue = &pvc_defs[mips_machtype];
136#endif
137
138 /* Set up panic notifier */
139 for (i = 0; i < ARRAY_SIZE(lasat_panic_block); i++)
140 atomic_notifier_chain_register(&panic_notifier_list,
141 &lasat_panic_block[i]);
142
143 lasat_reboot_setup();
144
145 board_time_init = lasat_time_init;
146
147#ifdef CONFIG_DS1603
148 ds1603 = &ds_defs[mips_machtype];
149 rtc_mips_get_time = ds1603_read;
150 rtc_mips_set_time = ds1603_set;
151#endif
152
153#ifdef DYNAMIC_SERIAL_INIT
154 serial_init();
155#endif
156
157 pr_info("Lasat specific initialization complete\n");
158}
diff --git a/arch/mips/lasat/sysctl.c b/arch/mips/lasat/sysctl.c
new file mode 100644
index 000000000000..4575a829766d
--- /dev/null
+++ b/arch/mips/lasat/sysctl.c
@@ -0,0 +1,454 @@
1/*
2 * Thomas Horsten <thh@lasat.com>
3 * Copyright (C) 2000 LASAT Networks A/S.
4 *
5 * This program is free software; you can distribute it and/or modify it
6 * under the terms of the GNU General Public License (Version 2) as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * for more details.
13 *
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
17 *
18 * Routines specific to the LASAT boards
19 */
20#include <linux/types.h>
21#include <asm/lasat/lasat.h>
22
23#include <linux/module.h>
24#include <linux/sysctl.h>
25#include <linux/stddef.h>
26#include <linux/init.h>
27#include <linux/fs.h>
28#include <linux/ctype.h>
29#include <linux/string.h>
30#include <linux/net.h>
31#include <linux/inet.h>
32#include <linux/mutex.h>
33#include <linux/uaccess.h>
34
35#include "sysctl.h"
36#include "ds1603.h"
37
38static DEFINE_MUTEX(lasat_info_mutex);
39
40/* Strategy function to write EEPROM after changing string entry */
41int sysctl_lasatstring(ctl_table *table, int *name, int nlen,
42 void *oldval, size_t *oldlenp,
43 void *newval, size_t newlen)
44{
45 int r;
46
47 mutex_lock(&lasat_info_mutex);
48 r = sysctl_string(table, name,
49 nlen, oldval, oldlenp, newval, newlen);
50 if (r < 0) {
51 mutex_unlock(&lasat_info_mutex);
52 return r;
53 }
54 if (newval && newlen)
55 lasat_write_eeprom_info();
56 mutex_unlock(&lasat_info_mutex);
57
58 return 1;
59}
60
61
62/* And the same for proc */
63int proc_dolasatstring(ctl_table *table, int write, struct file *filp,
64 void *buffer, size_t *lenp, loff_t *ppos)
65{
66 int r;
67
68 mutex_lock(&lasat_info_mutex);
69 r = proc_dostring(table, write, filp, buffer, lenp, ppos);
70 if ((!write) || r) {
71 mutex_unlock(&lasat_info_mutex);
72 return r;
73 }
74 lasat_write_eeprom_info();
75 mutex_unlock(&lasat_info_mutex);
76
77 return 0;
78}
79
80/* proc function to write EEPROM after changing int entry */
81int proc_dolasatint(ctl_table *table, int write, struct file *filp,
82 void *buffer, size_t *lenp, loff_t *ppos)
83{
84 int r;
85
86 mutex_lock(&lasat_info_mutex);
87 r = proc_dointvec(table, write, filp, buffer, lenp, ppos);
88 if ((!write) || r) {
89 mutex_unlock(&lasat_info_mutex);
90 return r;
91 }
92 lasat_write_eeprom_info();
93 mutex_unlock(&lasat_info_mutex);
94
95 return 0;
96}
97
98static int rtctmp;
99
100#ifdef CONFIG_DS1603
101/* proc function to read/write RealTime Clock */
102int proc_dolasatrtc(ctl_table *table, int write, struct file *filp,
103 void *buffer, size_t *lenp, loff_t *ppos)
104{
105 int r;
106
107 mutex_lock(&lasat_info_mutex);
108 if (!write) {
109 rtctmp = ds1603_read();
110 /* check for time < 0 and set to 0 */
111 if (rtctmp < 0)
112 rtctmp = 0;
113 }
114 r = proc_dointvec(table, write, filp, buffer, lenp, ppos);
115 if ((!write) || r) {
116 mutex_unlock(&lasat_info_mutex);
117 return r;
118 }
119 ds1603_set(rtctmp);
120 mutex_unlock(&lasat_info_mutex);
121
122 return 0;
123}
124#endif
125
126/* Sysctl for setting the IP addresses */
127int sysctl_lasat_intvec(ctl_table *table, int *name, int nlen,
128 void *oldval, size_t *oldlenp,
129 void *newval, size_t newlen)
130{
131 int r;
132
133 mutex_lock(&lasat_info_mutex);
134 r = sysctl_intvec(table, name, nlen, oldval, oldlenp, newval, newlen);
135 if (r < 0) {
136 mutex_unlock(&lasat_info_mutex);
137 return r;
138 }
139 if (newval && newlen)
140 lasat_write_eeprom_info();
141 mutex_unlock(&lasat_info_mutex);
142
143 return 1;
144}
145
146#ifdef CONFIG_DS1603
147/* Same for RTC */
148int sysctl_lasat_rtc(ctl_table *table, int *name, int nlen,
149 void *oldval, size_t *oldlenp,
150 void *newval, size_t newlen)
151{
152 int r;
153
154 mutex_lock(&lasat_info_mutex);
155 rtctmp = ds1603_read();
156 if (rtctmp < 0)
157 rtctmp = 0;
158 r = sysctl_intvec(table, name, nlen, oldval, oldlenp, newval, newlen);
159 if (r < 0) {
160 mutex_unlock(&lasat_info_mutex);
161 return r;
162 }
163 if (newval && newlen)
164 ds1603_set(rtctmp);
165 mutex_unlock(&lasat_info_mutex);
166
167 return 1;
168}
169#endif
170
171#ifdef CONFIG_INET
172static char lasat_bcastaddr[16];
173
174void update_bcastaddr(void)
175{
176 unsigned int ip;
177
178 ip = (lasat_board_info.li_eeprom_info.ipaddr &
179 lasat_board_info.li_eeprom_info.netmask) |
180 ~lasat_board_info.li_eeprom_info.netmask;
181
182 sprintf(lasat_bcastaddr, "%d.%d.%d.%d",
183 (ip) & 0xff,
184 (ip >> 8) & 0xff,
185 (ip >> 16) & 0xff,
186 (ip >> 24) & 0xff);
187}
188
189static char proc_lasat_ipbuf[32];
190
191/* Parsing of IP address */
192int proc_lasat_ip(ctl_table *table, int write, struct file *filp,
193 void *buffer, size_t *lenp, loff_t *ppos)
194{
195 unsigned int ip;
196 char *p, c;
197 int len;
198
199 if (!table->data || !table->maxlen || !*lenp ||
200 (*ppos && !write)) {
201 *lenp = 0;
202 return 0;
203 }
204
205 mutex_lock(&lasat_info_mutex);
206 if (write) {
207 len = 0;
208 p = buffer;
209 while (len < *lenp) {
210 if (get_user(c, p++)) {
211 mutex_unlock(&lasat_info_mutex);
212 return -EFAULT;
213 }
214 if (c == 0 || c == '\n')
215 break;
216 len++;
217 }
218 if (len >= sizeof(proc_lasat_ipbuf)-1)
219 len = sizeof(proc_lasat_ipbuf) - 1;
220 if (copy_from_user(proc_lasat_ipbuf, buffer, len)) {
221 mutex_unlock(&lasat_info_mutex);
222 return -EFAULT;
223 }
224 proc_lasat_ipbuf[len] = 0;
225 *ppos += *lenp;
226 /* Now see if we can convert it to a valid IP */
227 ip = in_aton(proc_lasat_ipbuf);
228 *(unsigned int *)(table->data) = ip;
229 lasat_write_eeprom_info();
230 } else {
231 ip = *(unsigned int *)(table->data);
232 sprintf(proc_lasat_ipbuf, "%d.%d.%d.%d",
233 (ip) & 0xff,
234 (ip >> 8) & 0xff,
235 (ip >> 16) & 0xff,
236 (ip >> 24) & 0xff);
237 len = strlen(proc_lasat_ipbuf);
238 if (len > *lenp)
239 len = *lenp;
240 if (len)
241 if (copy_to_user(buffer, proc_lasat_ipbuf, len)) {
242 mutex_unlock(&lasat_info_mutex);
243 return -EFAULT;
244 }
245 if (len < *lenp) {
246 if (put_user('\n', ((char *) buffer) + len)) {
247 mutex_unlock(&lasat_info_mutex);
248 return -EFAULT;
249 }
250 len++;
251 }
252 *lenp = len;
253 *ppos += len;
254 }
255 update_bcastaddr();
256 mutex_unlock(&lasat_info_mutex);
257
258 return 0;
259}
260#endif /* defined(CONFIG_INET) */
261
262static int sysctl_lasat_eeprom_value(ctl_table *table, int *name, int nlen,
263 void *oldval, size_t *oldlenp,
264 void *newval, size_t newlen)
265{
266 int r;
267
268 mutex_lock(&lasat_info_mutex);
269 r = sysctl_intvec(table, name, nlen, oldval, oldlenp, newval, newlen);
270 if (r < 0) {
271 mutex_unlock(&lasat_info_mutex);
272 return r;
273 }
274
275 if (newval && newlen) {
276 if (name && *name == LASAT_PRID)
277 lasat_board_info.li_eeprom_info.prid = *(int *)newval;
278
279 lasat_write_eeprom_info();
280 lasat_init_board_info();
281 }
282 mutex_unlock(&lasat_info_mutex);
283
284 return 0;
285}
286
287int proc_lasat_eeprom_value(ctl_table *table, int write, struct file *filp,
288 void *buffer, size_t *lenp, loff_t *ppos)
289{
290 int r;
291
292 mutex_lock(&lasat_info_mutex);
293 r = proc_dointvec(table, write, filp, buffer, lenp, ppos);
294 if ((!write) || r) {
295 mutex_unlock(&lasat_info_mutex);
296 return r;
297 }
298 if (filp && filp->f_path.dentry) {
299 if (!strcmp(filp->f_path.dentry->d_name.name, "prid"))
300 lasat_board_info.li_eeprom_info.prid =
301 lasat_board_info.li_prid;
302 if (!strcmp(filp->f_path.dentry->d_name.name, "debugaccess"))
303 lasat_board_info.li_eeprom_info.debugaccess =
304 lasat_board_info.li_debugaccess;
305 }
306 lasat_write_eeprom_info();
307 mutex_unlock(&lasat_info_mutex);
308
309 return 0;
310}
311
312extern int lasat_boot_to_service;
313
314#ifdef CONFIG_SYSCTL
315
316static ctl_table lasat_table[] = {
317 {
318 .ctl_name = CTL_UNNUMBERED,
319 .procname = "cpu-hz",
320 .data = &lasat_board_info.li_cpu_hz,
321 .maxlen = sizeof(int),
322 .mode = 0444,
323 .proc_handler = &proc_dointvec,
324 .strategy = &sysctl_intvec
325 },
326 {
327 .ctl_name = CTL_UNNUMBERED,
328 .procname = "bus-hz",
329 .data = &lasat_board_info.li_bus_hz,
330 .maxlen = sizeof(int),
331 .mode = 0444,
332 .proc_handler = &proc_dointvec,
333 .strategy = &sysctl_intvec
334 },
335 {
336 .ctl_name = CTL_UNNUMBERED,
337 .procname = "bmid",
338 .data = &lasat_board_info.li_bmid,
339 .maxlen = sizeof(int),
340 .mode = 0444,
341 .proc_handler = &proc_dointvec,
342 .strategy = &sysctl_intvec
343 },
344 {
345 .ctl_name = CTL_UNNUMBERED,
346 .procname = "prid",
347 .data = &lasat_board_info.li_prid,
348 .maxlen = sizeof(int),
349 .mode = 0644,
350 .proc_handler = &proc_lasat_eeprom_value,
351 .strategy = &sysctl_lasat_eeprom_value
352 },
353#ifdef CONFIG_INET
354 {
355 .ctl_name = CTL_UNNUMBERED,
356 .procname = "ipaddr",
357 .data = &lasat_board_info.li_eeprom_info.ipaddr,
358 .maxlen = sizeof(int),
359 .mode = 0644,
360 .proc_handler = &proc_lasat_ip,
361 .strategy = &sysctl_lasat_intvec
362 },
363 {
364 .ctl_name = LASAT_NETMASK,
365 .procname = "netmask",
366 .data = &lasat_board_info.li_eeprom_info.netmask,
367 .maxlen = sizeof(int),
368 .mode = 0644,
369 .proc_handler = &proc_lasat_ip,
370 .strategy = &sysctl_lasat_intvec
371 },
372 {
373 .ctl_name = CTL_UNNUMBERED,
374 .procname = "bcastaddr",
375 .data = &lasat_bcastaddr,
376 .maxlen = sizeof(lasat_bcastaddr),
377 .mode = 0600,
378 .proc_handler = &proc_dostring,
379 .strategy = &sysctl_string
380 },
381#endif
382 {
383 .ctl_name = CTL_UNNUMBERED,
384 .procname = "passwd_hash",
385 .data = &lasat_board_info.li_eeprom_info.passwd_hash,
386 .maxlen =
387 sizeof(lasat_board_info.li_eeprom_info.passwd_hash),
388 .mode = 0600,
389 .proc_handler = &proc_dolasatstring,
390 .strategy = &sysctl_lasatstring
391 },
392 {
393 .ctl_name = CTL_UNNUMBERED,
394 .procname = "boot-service",
395 .data = &lasat_boot_to_service,
396 .maxlen = sizeof(int),
397 .mode = 0644,
398 .proc_handler = &proc_dointvec,
399 .strategy = &sysctl_intvec
400 },
401#ifdef CONFIG_DS1603
402 {
403 .ctl_name = CTL_UNNUMBERED,
404 .procname = "rtc",
405 .data = &rtctmp,
406 .maxlen = sizeof(int),
407 .mode = 0644,
408 .proc_handler = &proc_dolasatrtc,
409 .strategy = &sysctl_lasat_rtc
410 },
411#endif
412 {
413 .ctl_name = CTL_UNNUMBERED,
414 .procname = "namestr",
415 .data = &lasat_board_info.li_namestr,
416 .maxlen = sizeof(lasat_board_info.li_namestr),
417 .mode = 0444,
418 .proc_handler = &proc_dostring,
419 .strategy = &sysctl_string
420 },
421 {
422 .ctl_name = CTL_UNNUMBERED,
423 .procname = "typestr",
424 .data = &lasat_board_info.li_typestr,
425 .maxlen = sizeof(lasat_board_info.li_typestr),
426 .mode = 0444,
427 .proc_handler = &proc_dostring,
428 .strategy = &sysctl_string
429 },
430 {}
431};
432
433static ctl_table lasat_root_table[] = {
434 {
435 .ctl_name = CTL_UNNUMBERED,
436 .procname = "lasat",
437 .mode = 0555,
438 .child = lasat_table
439 },
440 {}
441};
442
443static int __init lasat_register_sysctl(void)
444{
445 struct ctl_table_header *lasat_table_header;
446
447 lasat_table_header =
448 register_sysctl_table(lasat_root_table);
449
450 return 0;
451}
452
453__initcall(lasat_register_sysctl);
454#endif /* CONFIG_SYSCTL */
diff --git a/arch/mips/lasat/sysctl.h b/arch/mips/lasat/sysctl.h
new file mode 100644
index 000000000000..341b97933423
--- /dev/null
+++ b/arch/mips/lasat/sysctl.h
@@ -0,0 +1,24 @@
1/*
2 * LASAT sysctl values
3 */
4
5#ifndef _LASAT_SYSCTL_H
6#define _LASAT_SYSCTL_H
7
8/* /proc/sys/lasat */
9enum {
10 LASAT_CPU_HZ = 1,
11 LASAT_BUS_HZ,
12 LASAT_MODEL,
13 LASAT_PRID,
14 LASAT_IPADDR,
15 LASAT_NETMASK,
16 LASAT_BCAST,
17 LASAT_PASSWORD,
18 LASAT_SBOOT,
19 LASAT_RTC,
20 LASAT_NAMESTR,
21 LASAT_TYPESTR,
22};
23
24#endif /* _LASAT_SYSCTL_H */
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-04 02:13:08 -0500