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authorPaul Mundt <lethal@linux-sh.org>2007-02-14 01:06:09 -0500
committerPaul Mundt <lethal@linux-sh.org>2007-02-14 01:06:09 -0500
commite65fa9f59e9230b72ac298d445b4a18a4eefeb34 (patch)
tree402036274b557da72a93b17fffc95f41c3137704 /arch/sh/boards/ec3104
parent71074d3a2c70aa8a213222fef5014bfd9b3daf1f (diff)
sh: Kill off dead bigsur and ec3104 boards.
Neither of these have had any maintenance in years, and there's no interest in keeping them straggling along. These have already been slated for removal some time, so finally just get rid of them. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/boards/ec3104')
-rw-r--r--arch/sh/boards/ec3104/Makefile6
-rw-r--r--arch/sh/boards/ec3104/io.c81
-rw-r--r--arch/sh/boards/ec3104/irq.c196
-rw-r--r--arch/sh/boards/ec3104/setup.c65
4 files changed, 0 insertions, 348 deletions
diff --git a/arch/sh/boards/ec3104/Makefile b/arch/sh/boards/ec3104/Makefile
deleted file mode 100644
index 178891534b67..000000000000
--- a/arch/sh/boards/ec3104/Makefile
+++ /dev/null
@@ -1,6 +0,0 @@
1#
2# Makefile for the EC3104 specific parts of the kernel
3#
4
5obj-y := setup.o io.o irq.o
6
diff --git a/arch/sh/boards/ec3104/io.c b/arch/sh/boards/ec3104/io.c
deleted file mode 100644
index 2f86394b280b..000000000000
--- a/arch/sh/boards/ec3104/io.c
+++ /dev/null
@@ -1,81 +0,0 @@
1/*
2 * linux/arch/sh/boards/ec3104/io.c
3 * EC3104 companion chip support
4 *
5 * Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org>
6 *
7 */
8/* EC3104 note:
9 * This code was written without any documentation about the EC3104 chip. While
10 * I hope I got most of the basic functionality right, the register names I use
11 * are most likely completely different from those in the chip documentation.
12 *
13 * If you have any further information about the EC3104, please tell me
14 * (prumpf@tux.org).
15 */
16
17#include <linux/kernel.h>
18#include <linux/types.h>
19#include <asm/io.h>
20#include <asm/page.h>
21#include <asm/ec3104/ec3104.h>
22
23/*
24 * EC3104 has a real ISA bus which we redirect low port accesses to (the
25 * actual device on mine is a ESS 1868, and I don't want to hack the driver
26 * more than strictly necessary). I am not going to duplicate the
27 * hard coding of PC addresses (for the 16550s aso) here though; it's just
28 * too ugly.
29 */
30
31#define low_port(port) ((port) < 0x10000)
32
33static inline unsigned long port2addr(unsigned long port)
34{
35 switch(port >> 16) {
36 case 0:
37 return EC3104_ISA_BASE + port * 2;
38
39 /* XXX hack. it's unclear what to do about the serial ports */
40 case 1:
41 return EC3104_BASE + (port&0xffff) * 4;
42
43 default:
44 /* XXX PCMCIA */
45 return 0;
46 }
47}
48
49unsigned char ec3104_inb(unsigned long port)
50{
51 u8 ret;
52
53 ret = *(volatile u8 *)port2addr(port);
54
55 return ret;
56}
57
58unsigned short ec3104_inw(unsigned long port)
59{
60 BUG();
61}
62
63unsigned long ec3104_inl(unsigned long port)
64{
65 BUG();
66}
67
68void ec3104_outb(unsigned char data, unsigned long port)
69{
70 *(volatile u8 *)port2addr(port) = data;
71}
72
73void ec3104_outw(unsigned short data, unsigned long port)
74{
75 BUG();
76}
77
78void ec3104_outl(unsigned long data, unsigned long port)
79{
80 BUG();
81}
diff --git a/arch/sh/boards/ec3104/irq.c b/arch/sh/boards/ec3104/irq.c
deleted file mode 100644
index ffa4ff1f090f..000000000000
--- a/arch/sh/boards/ec3104/irq.c
+++ /dev/null
@@ -1,196 +0,0 @@
1/*
2 * linux/arch/sh/boards/ec3104/irq.c
3 * EC3104 companion chip support
4 *
5 * Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org>
6 *
7 */
8
9#include <asm/io.h>
10#include <asm/irq.h>
11#include <asm/ec3104/ec3104.h>
12
13/* This is for debugging mostly; here's the table that I intend to keep
14 * in here:
15 *
16 * index function base addr power interrupt bit
17 * 0 power b0ec0000 --- 00000001 (unused)
18 * 1 irqs b0ec1000 --- 00000002 (unused)
19 * 2 ?? b0ec2000 b0ec0008 00000004
20 * 3 PS2 (1) b0ec3000 b0ec000c 00000008
21 * 4 PS2 (2) b0ec4000 b0ec0010 00000010
22 * 5 ?? b0ec5000 b0ec0014 00000020
23 * 6 I2C b0ec6000 b0ec0018 00000040
24 * 7 serial (1) b0ec7000 b0ec001c 00000080
25 * 8 serial (2) b0ec8000 b0ec0020 00000100
26 * 9 serial (3) b0ec9000 b0ec0024 00000200
27 * 10 serial (4) b0eca000 b0ec0028 00000400
28 * 12 GPIO (1) b0ecc000 b0ec0030
29 * 13 GPIO (2) b0ecc000 b0ec0030
30 * 16 pcmcia (1) b0ed0000 b0ec0040 00010000
31 * 17 pcmcia (2) b0ed1000 b0ec0044 00020000
32 */
33
34/* I used the register names from another interrupt controller I worked with,
35 * since it seems to be identical to the ec3104 except that all bits are
36 * inverted:
37 *
38 * IRR: Interrupt Request Register (pending and enabled interrupts)
39 * IMR: Interrupt Mask Register (which interrupts are enabled)
40 * IPR: Interrupt Pending Register (pending interrupts, even disabled ones)
41 *
42 * 0 bits mean pending or enabled, 1 bits mean not pending or disabled. all
43 * IRQs seem to be level-triggered.
44 */
45
46#define EC3104_IRR (EC3104_BASE + 0x1000)
47#define EC3104_IMR (EC3104_BASE + 0x1004)
48#define EC3104_IPR (EC3104_BASE + 0x1008)
49
50#define ctrl_readl(addr) (*(volatile u32 *)(addr))
51#define ctrl_writel(data,addr) (*(volatile u32 *)(addr) = (data))
52#define ctrl_readb(addr) (*(volatile u8 *)(addr))
53
54static char *ec3104_name(unsigned index)
55{
56 switch(index) {
57 case 0:
58 return "power management";
59 case 1:
60 return "interrupts";
61 case 3:
62 return "PS2 (1)";
63 case 4:
64 return "PS2 (2)";
65 case 5:
66 return "I2C (1)";
67 case 6:
68 return "I2C (2)";
69 case 7:
70 return "serial (1)";
71 case 8:
72 return "serial (2)";
73 case 9:
74 return "serial (3)";
75 case 10:
76 return "serial (4)";
77 case 16:
78 return "pcmcia (1)";
79 case 17:
80 return "pcmcia (2)";
81 default: {
82 static char buf[32];
83
84 sprintf(buf, "unknown (%d)", index);
85
86 return buf;
87 }
88 }
89}
90
91int get_pending_interrupts(char *buf)
92{
93 u32 ipr;
94 u32 bit;
95 char *p = buf;
96
97 p += sprintf(p, "pending: (");
98
99 ipr = ctrl_inl(EC3104_IPR);
100
101 for (bit = 1; bit < 32; bit++)
102 if (!(ipr & (1<<bit)))
103 p += sprintf(p, "%s ", ec3104_name(bit));
104
105 p += sprintf(p, ")\n");
106
107 return p - buf;
108}
109
110static inline u32 ec3104_irq2mask(unsigned int irq)
111{
112 return (1 << (irq - EC3104_IRQBASE));
113}
114
115static inline void mask_ec3104_irq(unsigned int irq)
116{
117 u32 mask;
118
119 mask = ctrl_readl(EC3104_IMR);
120
121 mask |= ec3104_irq2mask(irq);
122
123 ctrl_writel(mask, EC3104_IMR);
124}
125
126static inline void unmask_ec3104_irq(unsigned int irq)
127{
128 u32 mask;
129
130 mask = ctrl_readl(EC3104_IMR);
131
132 mask &= ~ec3104_irq2mask(irq);
133
134 ctrl_writel(mask, EC3104_IMR);
135}
136
137static void disable_ec3104_irq(unsigned int irq)
138{
139 mask_ec3104_irq(irq);
140}
141
142static void enable_ec3104_irq(unsigned int irq)
143{
144 unmask_ec3104_irq(irq);
145}
146
147static void mask_and_ack_ec3104_irq(unsigned int irq)
148{
149 mask_ec3104_irq(irq);
150}
151
152static void end_ec3104_irq(unsigned int irq)
153{
154 if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
155 unmask_ec3104_irq(irq);
156}
157
158static unsigned int startup_ec3104_irq(unsigned int irq)
159{
160 unmask_ec3104_irq(irq);
161
162 return 0;
163}
164
165static void shutdown_ec3104_irq(unsigned int irq)
166{
167 mask_ec3104_irq(irq);
168
169}
170
171static struct hw_interrupt_type ec3104_int = {
172 .typename = "EC3104",
173 .enable = enable_ec3104_irq,
174 .disable = disable_ec3104_irq,
175 .ack = mask_and_ack_ec3104_irq,
176 .end = end_ec3104_irq,
177 .startup = startup_ec3104_irq,
178 .shutdown = shutdown_ec3104_irq,
179};
180
181/* Yuck. the _demux API is ugly */
182int ec3104_irq_demux(int irq)
183{
184 if (irq == EC3104_IRQ) {
185 unsigned int mask;
186
187 mask = ctrl_readl(EC3104_IRR);
188
189 if (mask == 0xffffffff)
190 return EC3104_IRQ;
191 else
192 return EC3104_IRQBASE + ffz(mask);
193 }
194
195 return irq;
196}
diff --git a/arch/sh/boards/ec3104/setup.c b/arch/sh/boards/ec3104/setup.c
deleted file mode 100644
index 902bc975a13e..000000000000
--- a/arch/sh/boards/ec3104/setup.c
+++ /dev/null
@@ -1,65 +0,0 @@
1/*
2 * linux/arch/sh/boards/ec3104/setup.c
3 * EC3104 companion chip support
4 *
5 * Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org>
6 *
7 */
8/* EC3104 note:
9 * This code was written without any documentation about the EC3104 chip. While
10 * I hope I got most of the basic functionality right, the register names I use
11 * are most likely completely different from those in the chip documentation.
12 *
13 * If you have any further information about the EC3104, please tell me
14 * (prumpf@tux.org).
15 */
16
17#include <linux/sched.h>
18#include <linux/kernel.h>
19#include <linux/param.h>
20#include <linux/interrupt.h>
21#include <linux/init.h>
22#include <linux/irq.h>
23#include <linux/types.h>
24#include <asm/io.h>
25#include <asm/irq.h>
26#include <asm/machvec.h>
27#include <asm/mach/ec3104.h>
28
29static void __init ec3104_setup(char **cmdline_p)
30{
31 char str[8];
32 int i;
33
34 for (i=0; i<8; i++)
35 str[i] = ctrl_readb(EC3104_BASE + i);
36
37 for (i = EC3104_IRQBASE; i < EC3104_IRQBASE + 32; i++)
38 irq_desc[i].handler = &ec3104_int;
39
40 printk("initializing EC3104 \"%.8s\" at %08x, IRQ %d, IRQ base %d\n",
41 str, EC3104_BASE, EC3104_IRQ, EC3104_IRQBASE);
42
43 /* mask all interrupts. this should have been done by the boot
44 * loader for us but we want to be sure ... */
45 ctrl_writel(0xffffffff, EC3104_IMR);
46}
47
48/*
49 * The Machine Vector
50 */
51struct sh_machine_vector mv_ec3104 __initmv = {
52 .mv_name = "EC3104",
53 .mv_setup = ec3104_setup,
54 .mv_nr_irqs = 96,
55
56 .mv_inb = ec3104_inb,
57 .mv_inw = ec3104_inw,
58 .mv_inl = ec3104_inl,
59 .mv_outb = ec3104_outb,
60 .mv_outw = ec3104_outw,
61 .mv_outl = ec3104_outl,
62
63 .mv_irq_demux = ec3104_irq_demux,
64};
65ALIAS_MV(ec3104)
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-10 09:42:52 -0500