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-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 2024-12-27 15:41:11 -0500