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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
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')
-rw-r--r--arch/sh/boards/bigsur/Makefile6
-rw-r--r--arch/sh/boards/bigsur/io.c120
-rw-r--r--arch/sh/boards/bigsur/irq.c334
-rw-r--r--arch/sh/boards/bigsur/led.c54
-rw-r--r--arch/sh/boards/bigsur/setup.c88
-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
9 files changed, 0 insertions, 950 deletions
diff --git a/arch/sh/boards/bigsur/Makefile b/arch/sh/boards/bigsur/Makefile
deleted file mode 100644
index 0ff9497ac58e..000000000000
--- a/arch/sh/boards/bigsur/Makefile
+++ /dev/null
@@ -1,6 +0,0 @@
1#
2# Makefile for the BigSur specific parts of the kernel
3#
4
5obj-y := setup.o io.o irq.o led.o
6
diff --git a/arch/sh/boards/bigsur/io.c b/arch/sh/boards/bigsur/io.c
deleted file mode 100644
index 23071f97eec3..000000000000
--- a/arch/sh/boards/bigsur/io.c
+++ /dev/null
@@ -1,120 +0,0 @@
1/*
2 * arch/sh/boards/bigsur/io.c
3 *
4 * By Dustin McIntire (dustin@sensoria.com) (c)2001
5 * Derived from io_hd64465.h, which bore the message:
6 * By Greg Banks <gbanks@pocketpenguins.com>
7 * (c) 2000 PocketPenguins Inc.
8 * and from io_hd64461.h, which bore the message:
9 * Copyright 2000 Stuart Menefy (stuart.menefy@st.com)
10 *
11 * May be copied or modified under the terms of the GNU General Public
12 * License. See linux/COPYING for more information.
13 *
14 * IO functions for a Hitachi Big Sur Evaluation Board.
15 */
16
17#include <linux/kernel.h>
18#include <linux/module.h>
19#include <asm/machvec.h>
20#include <asm/io.h>
21#include <asm/bigsur/bigsur.h>
22
23/* Low iomap maps port 0-1K to addresses in 8byte chunks */
24#define BIGSUR_IOMAP_LO_THRESH 0x400
25#define BIGSUR_IOMAP_LO_SHIFT 3
26#define BIGSUR_IOMAP_LO_MASK ((1<<BIGSUR_IOMAP_LO_SHIFT)-1)
27#define BIGSUR_IOMAP_LO_NMAP (BIGSUR_IOMAP_LO_THRESH>>BIGSUR_IOMAP_LO_SHIFT)
28static u32 bigsur_iomap_lo[BIGSUR_IOMAP_LO_NMAP];
29static u8 bigsur_iomap_lo_shift[BIGSUR_IOMAP_LO_NMAP];
30
31/* High iomap maps port 1K-64K to addresses in 1K chunks */
32#define BIGSUR_IOMAP_HI_THRESH 0x10000
33#define BIGSUR_IOMAP_HI_SHIFT 10
34#define BIGSUR_IOMAP_HI_MASK ((1<<BIGSUR_IOMAP_HI_SHIFT)-1)
35#define BIGSUR_IOMAP_HI_NMAP (BIGSUR_IOMAP_HI_THRESH>>BIGSUR_IOMAP_HI_SHIFT)
36static u32 bigsur_iomap_hi[BIGSUR_IOMAP_HI_NMAP];
37static u8 bigsur_iomap_hi_shift[BIGSUR_IOMAP_HI_NMAP];
38
39void bigsur_port_map(u32 baseport, u32 nports, u32 addr, u8 shift)
40{
41 u32 port, endport = baseport + nports;
42
43 pr_debug("bigsur_port_map(base=0x%0x, n=0x%0x, addr=0x%08x)\n",
44 baseport, nports, addr);
45
46 for (port = baseport ;
47 port < endport && port < BIGSUR_IOMAP_LO_THRESH ;
48 port += (1<<BIGSUR_IOMAP_LO_SHIFT)) {
49 pr_debug(" maplo[0x%x] = 0x%08x\n", port, addr);
50 bigsur_iomap_lo[port>>BIGSUR_IOMAP_LO_SHIFT] = addr;
51 bigsur_iomap_lo_shift[port>>BIGSUR_IOMAP_LO_SHIFT] = shift;
52 addr += (1<<(BIGSUR_IOMAP_LO_SHIFT));
53 }
54
55 for (port = max_t(u32, baseport, BIGSUR_IOMAP_LO_THRESH);
56 port < endport && port < BIGSUR_IOMAP_HI_THRESH ;
57 port += (1<<BIGSUR_IOMAP_HI_SHIFT)) {
58 pr_debug(" maphi[0x%x] = 0x%08x\n", port, addr);
59 bigsur_iomap_hi[port>>BIGSUR_IOMAP_HI_SHIFT] = addr;
60 bigsur_iomap_hi_shift[port>>BIGSUR_IOMAP_HI_SHIFT] = shift;
61 addr += (1<<(BIGSUR_IOMAP_HI_SHIFT));
62 }
63}
64EXPORT_SYMBOL(bigsur_port_map);
65
66void bigsur_port_unmap(u32 baseport, u32 nports)
67{
68 u32 port, endport = baseport + nports;
69
70 pr_debug("bigsur_port_unmap(base=0x%0x, n=0x%0x)\n", baseport, nports);
71
72 for (port = baseport ;
73 port < endport && port < BIGSUR_IOMAP_LO_THRESH ;
74 port += (1<<BIGSUR_IOMAP_LO_SHIFT)) {
75 bigsur_iomap_lo[port>>BIGSUR_IOMAP_LO_SHIFT] = 0;
76 }
77
78 for (port = max_t(u32, baseport, BIGSUR_IOMAP_LO_THRESH);
79 port < endport && port < BIGSUR_IOMAP_HI_THRESH ;
80 port += (1<<BIGSUR_IOMAP_HI_SHIFT)) {
81 bigsur_iomap_hi[port>>BIGSUR_IOMAP_HI_SHIFT] = 0;
82 }
83}
84EXPORT_SYMBOL(bigsur_port_unmap);
85
86unsigned long bigsur_isa_port2addr(unsigned long port)
87{
88 unsigned long addr = 0;
89 unsigned char shift;
90
91 /* Physical address not in P0, do nothing */
92 if (PXSEG(port)) {
93 addr = port;
94 /* physical address in P0, map to P2 */
95 } else if (port >= 0x30000) {
96 addr = P2SEGADDR(port);
97 /* Big Sur I/O + HD64465 registers 0x10000-0x30000 */
98 } else if (port >= BIGSUR_IOMAP_HI_THRESH) {
99 addr = BIGSUR_INTERNAL_BASE + (port - BIGSUR_IOMAP_HI_THRESH);
100 /* Handle remapping of high IO/PCI IO ports */
101 } else if (port >= BIGSUR_IOMAP_LO_THRESH) {
102 addr = bigsur_iomap_hi[port >> BIGSUR_IOMAP_HI_SHIFT];
103 shift = bigsur_iomap_hi_shift[port >> BIGSUR_IOMAP_HI_SHIFT];
104
105 if (addr != 0)
106 addr += (port & BIGSUR_IOMAP_HI_MASK) << shift;
107 } else {
108 /* Handle remapping of low IO ports */
109 addr = bigsur_iomap_lo[port >> BIGSUR_IOMAP_LO_SHIFT];
110 shift = bigsur_iomap_lo_shift[port >> BIGSUR_IOMAP_LO_SHIFT];
111
112 if (addr != 0)
113 addr += (port & BIGSUR_IOMAP_LO_MASK) << shift;
114 }
115
116 pr_debug("%s(0x%08lx) = 0x%08lx\n", __FUNCTION__, port, addr);
117
118 return addr;
119}
120
diff --git a/arch/sh/boards/bigsur/irq.c b/arch/sh/boards/bigsur/irq.c
deleted file mode 100644
index 1ab04da36382..000000000000
--- a/arch/sh/boards/bigsur/irq.c
+++ /dev/null
@@ -1,334 +0,0 @@
1/*
2 *
3 * By Dustin McIntire (dustin@sensoria.com) (c)2001
4 *
5 * Setup and IRQ handling code for the HD64465 companion chip.
6 * by Greg Banks <gbanks@pocketpenguins.com>
7 * Copyright (c) 2000 PocketPenguins Inc
8 *
9 * Derived from setup_hd64465.c which bore the message:
10 * Greg Banks <gbanks@pocketpenguins.com>
11 * Copyright (c) 2000 PocketPenguins Inc and
12 * Copyright (C) 2000 YAEGASHI Takeshi
13 * and setup_cqreek.c which bore message:
14 * Copyright (C) 2000 Niibe Yutaka
15 *
16 * May be copied or modified under the terms of the GNU General Public
17 * License. See linux/COPYING for more information.
18 *
19 * IRQ functions for a Hitachi Big Sur Evaluation Board.
20 *
21 */
22#undef DEBUG
23
24#include <linux/sched.h>
25#include <linux/module.h>
26#include <linux/kernel.h>
27#include <linux/param.h>
28#include <linux/ioport.h>
29#include <linux/interrupt.h>
30#include <linux/init.h>
31#include <linux/irq.h>
32#include <linux/bitops.h>
33
34#include <asm/io.h>
35#include <asm/irq.h>
36
37#include <asm/bigsur/io.h>
38#include <asm/hd64465/hd64465.h>
39#include <asm/bigsur/bigsur.h>
40
41//#define BIGSUR_DEBUG 3
42#undef BIGSUR_DEBUG
43
44#ifdef BIGSUR_DEBUG
45#define DIPRINTK(n, args...) if (BIGSUR_DEBUG>(n)) printk(args)
46#else
47#define DIPRINTK(n, args...)
48#endif /* BIGSUR_DEBUG */
49
50#ifdef CONFIG_HD64465
51extern int hd64465_irq_demux(int irq);
52#endif /* CONFIG_HD64465 */
53
54
55/*===========================================================*/
56// Big Sur CPLD IRQ Routines
57/*===========================================================*/
58
59/* Level 1 IRQ routines */
60static void disable_bigsur_l1irq(unsigned int irq)
61{
62 unsigned char mask;
63 unsigned int mask_port = ((irq - BIGSUR_IRQ_LOW)/8) ? BIGSUR_IRLMR1 : BIGSUR_IRLMR0;
64 unsigned char bit = (1 << ((irq - MGATE_IRQ_LOW)%8) );
65
66 if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH) {
67 pr_debug("Disable L1 IRQ %d\n", irq);
68 DIPRINTK(2,"disable_bigsur_l1irq: IMR=0x%08x mask=0x%x\n",
69 mask_port, bit);
70
71 /* Disable IRQ - set mask bit */
72 mask = inb(mask_port) | bit;
73 outb(mask, mask_port);
74 return;
75 }
76 pr_debug("disable_bigsur_l1irq: Invalid IRQ %d\n", irq);
77}
78
79static void enable_bigsur_l1irq(unsigned int irq)
80{
81 unsigned char mask;
82 unsigned int mask_port = ((irq - BIGSUR_IRQ_LOW)/8) ? BIGSUR_IRLMR1 : BIGSUR_IRLMR0;
83 unsigned char bit = (1 << ((irq - MGATE_IRQ_LOW)%8) );
84
85 if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH) {
86 pr_debug("Enable L1 IRQ %d\n", irq);
87 DIPRINTK(2,"enable_bigsur_l1irq: IMR=0x%08x mask=0x%x\n",
88 mask_port, bit);
89 /* Enable L1 IRQ - clear mask bit */
90 mask = inb(mask_port) & ~bit;
91 outb(mask, mask_port);
92 return;
93 }
94 pr_debug("enable_bigsur_l1irq: Invalid IRQ %d\n", irq);
95}
96
97
98/* Level 2 irq masks and registers for L2 decoding */
99/* Level2 bitmasks for each level 1 IRQ */
100const u32 bigsur_l2irq_mask[] =
101 {0x40,0x80,0x08,0x01,0x01,0x3C,0x3E,0xFF,0x40,0x80,0x06,0x03};
102/* Level2 to ISR[n] map for each level 1 IRQ */
103const u32 bigsur_l2irq_reg[] =
104 { 2, 2, 3, 3, 1, 2, 1, 0, 1, 1, 3, 2};
105/* Level2 to Level 1 IRQ map */
106const u32 bigsur_l2_l1_map[] =
107 {7,7,7,7,7,7,7,7, 4,6,6,6,6,6,8,9, 11,11,5,5,5,5,0,1, 3,10,10,2,-1,-1,-1,-1};
108/* IRQ inactive level (high or low) */
109const u32 bigsur_l2_inactv_state[] = {0x00, 0xBE, 0xFC, 0xF7};
110
111/* CPLD external status and mask registers base and offsets */
112static const u32 isr_base = BIGSUR_IRQ0;
113static const u32 isr_offset = BIGSUR_IRQ0 - BIGSUR_IRQ1;
114static const u32 imr_base = BIGSUR_IMR0;
115static const u32 imr_offset = BIGSUR_IMR0 - BIGSUR_IMR1;
116
117#define REG_NUM(irq) ((irq-BIGSUR_2NDLVL_IRQ_LOW)/8 )
118
119/* Level 2 IRQ routines */
120static void disable_bigsur_l2irq(unsigned int irq)
121{
122 unsigned char mask;
123 unsigned char bit = 1 << ((irq-BIGSUR_2NDLVL_IRQ_LOW)%8);
124 unsigned int mask_port = imr_base - REG_NUM(irq)*imr_offset;
125
126 if(irq >= BIGSUR_2NDLVL_IRQ_LOW && irq < BIGSUR_2NDLVL_IRQ_HIGH) {
127 pr_debug("Disable L2 IRQ %d\n", irq);
128 DIPRINTK(2,"disable_bigsur_l2irq: IMR=0x%08x mask=0x%x\n",
129 mask_port, bit);
130
131 /* Disable L2 IRQ - set mask bit */
132 mask = inb(mask_port) | bit;
133 outb(mask, mask_port);
134 return;
135 }
136 pr_debug("disable_bigsur_l2irq: Invalid IRQ %d\n", irq);
137}
138
139static void enable_bigsur_l2irq(unsigned int irq)
140{
141 unsigned char mask;
142 unsigned char bit = 1 << ((irq-BIGSUR_2NDLVL_IRQ_LOW)%8);
143 unsigned int mask_port = imr_base - REG_NUM(irq)*imr_offset;
144
145 if(irq >= BIGSUR_2NDLVL_IRQ_LOW && irq < BIGSUR_2NDLVL_IRQ_HIGH) {
146 pr_debug("Enable L2 IRQ %d\n", irq);
147 DIPRINTK(2,"enable_bigsur_l2irq: IMR=0x%08x mask=0x%x\n",
148 mask_port, bit);
149
150 /* Enable L2 IRQ - clear mask bit */
151 mask = inb(mask_port) & ~bit;
152 outb(mask, mask_port);
153 return;
154 }
155 pr_debug("enable_bigsur_l2irq: Invalid IRQ %d\n", irq);
156}
157
158static void mask_and_ack_bigsur(unsigned int irq)
159{
160 pr_debug("mask_and_ack_bigsur IRQ %d\n", irq);
161 if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH)
162 disable_bigsur_l1irq(irq);
163 else
164 disable_bigsur_l2irq(irq);
165}
166
167static void end_bigsur_irq(unsigned int irq)
168{
169 pr_debug("end_bigsur_irq IRQ %d\n", irq);
170 if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) {
171 if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH)
172 enable_bigsur_l1irq(irq);
173 else
174 enable_bigsur_l2irq(irq);
175 }
176}
177
178static unsigned int startup_bigsur_irq(unsigned int irq)
179{
180 u8 mask;
181 u32 reg;
182
183 pr_debug("startup_bigsur_irq IRQ %d\n", irq);
184
185 if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH) {
186 /* Enable the L1 IRQ */
187 enable_bigsur_l1irq(irq);
188 /* Enable all L2 IRQs in this L1 IRQ */
189 mask = ~(bigsur_l2irq_mask[irq-BIGSUR_IRQ_LOW]);
190 reg = imr_base - bigsur_l2irq_reg[irq-BIGSUR_IRQ_LOW] * imr_offset;
191 mask &= inb(reg);
192 outb(mask,reg);
193 DIPRINTK(2,"startup_bigsur_irq: IMR=0x%08x mask=0x%x\n",reg,inb(reg));
194 }
195 else {
196 /* Enable the L2 IRQ - clear mask bit */
197 enable_bigsur_l2irq(irq);
198 /* Enable the L1 bit masking this L2 IRQ */
199 enable_bigsur_l1irq(bigsur_l2_l1_map[irq-BIGSUR_2NDLVL_IRQ_LOW]);
200 DIPRINTK(2,"startup_bigsur_irq: L1=%d L2=%d\n",
201 bigsur_l2_l1_map[irq-BIGSUR_2NDLVL_IRQ_LOW],irq);
202 }
203 return 0;
204}
205
206static void shutdown_bigsur_irq(unsigned int irq)
207{
208 pr_debug("shutdown_bigsur_irq IRQ %d\n", irq);
209 if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH)
210 disable_bigsur_l1irq(irq);
211 else
212 disable_bigsur_l2irq(irq);
213}
214
215/* Define the IRQ structures for the L1 and L2 IRQ types */
216static struct hw_interrupt_type bigsur_l1irq_type = {
217 .typename = "BigSur-CPLD-Level1-IRQ",
218 .startup = startup_bigsur_irq,
219 .shutdown = shutdown_bigsur_irq,
220 .enable = enable_bigsur_l1irq,
221 .disable = disable_bigsur_l1irq,
222 .ack = mask_and_ack_bigsur,
223 .end = end_bigsur_irq
224};
225
226static struct hw_interrupt_type bigsur_l2irq_type = {
227 .typename = "BigSur-CPLD-Level2-IRQ",
228 .startup = startup_bigsur_irq,
229 .shutdown =shutdown_bigsur_irq,
230 .enable = enable_bigsur_l2irq,
231 .disable = disable_bigsur_l2irq,
232 .ack = mask_and_ack_bigsur,
233 .end = end_bigsur_irq
234};
235
236
237static void make_bigsur_l1isr(unsigned int irq) {
238
239 /* sanity check first */
240 if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH) {
241 /* save the handler in the main description table */
242 irq_desc[irq].chip = &bigsur_l1irq_type;
243 irq_desc[irq].status = IRQ_DISABLED;
244 irq_desc[irq].action = 0;
245 irq_desc[irq].depth = 1;
246
247 disable_bigsur_l1irq(irq);
248 return;
249 }
250 pr_debug("make_bigsur_l1isr: bad irq, %d\n", irq);
251 return;
252}
253
254static void make_bigsur_l2isr(unsigned int irq) {
255
256 /* sanity check first */
257 if(irq >= BIGSUR_2NDLVL_IRQ_LOW && irq < BIGSUR_2NDLVL_IRQ_HIGH) {
258 /* save the handler in the main description table */
259 irq_desc[irq].chip = &bigsur_l2irq_type;
260 irq_desc[irq].status = IRQ_DISABLED;
261 irq_desc[irq].action = 0;
262 irq_desc[irq].depth = 1;
263
264 disable_bigsur_l2irq(irq);
265 return;
266 }
267 pr_debug("make_bigsur_l2isr: bad irq, %d\n", irq);
268 return;
269}
270
271/* The IRQ's will be decoded as follows:
272 * If a level 2 handler exists and there is an unmasked active
273 * IRQ, the 2nd level handler will be called.
274 * If a level 2 handler does not exist for the active IRQ
275 * the 1st level handler will be called.
276 */
277
278int bigsur_irq_demux(int irq)
279{
280 int dmux_irq = irq;
281 u8 mask, actv_irqs;
282 u32 reg_num;
283
284 DIPRINTK(3,"bigsur_irq_demux, irq=%d\n", irq);
285 /* decode the 1st level IRQ */
286 if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH) {
287 /* Get corresponding L2 ISR bitmask and ISR number */
288 mask = bigsur_l2irq_mask[irq-BIGSUR_IRQ_LOW];
289 reg_num = bigsur_l2irq_reg[irq-BIGSUR_IRQ_LOW];
290 /* find the active IRQ's (XOR with inactive level)*/
291 actv_irqs = inb(isr_base-reg_num*isr_offset) ^
292 bigsur_l2_inactv_state[reg_num];
293 /* decode active IRQ's */
294 actv_irqs = actv_irqs & mask & ~(inb(imr_base-reg_num*imr_offset));
295 /* if NEZ then we have an active L2 IRQ */
296 if(actv_irqs) dmux_irq = ffz(~actv_irqs) + reg_num*8+BIGSUR_2NDLVL_IRQ_LOW;
297 /* if no 2nd level IRQ action, but has 1st level, use 1st level handler */
298 if(!irq_desc[dmux_irq].action && irq_desc[irq].action)
299 dmux_irq = irq;
300 DIPRINTK(1,"bigsur_irq_demux: irq=%d dmux_irq=%d mask=0x%04x reg=%d\n",
301 irq, dmux_irq, mask, reg_num);
302 }
303#ifdef CONFIG_HD64465
304 dmux_irq = hd64465_irq_demux(dmux_irq);
305#endif /* CONFIG_HD64465 */
306 DIPRINTK(3,"bigsur_irq_demux, demux_irq=%d\n", dmux_irq);
307
308 return dmux_irq;
309}
310
311/*===========================================================*/
312// Big Sur Init Routines
313/*===========================================================*/
314void __init init_bigsur_IRQ(void)
315{
316 int i;
317
318 if (!MACH_BIGSUR) return;
319
320 /* Create ISR's for Big Sur CPLD IRQ's */
321 /*==============================================================*/
322 for(i=BIGSUR_IRQ_LOW;i<BIGSUR_IRQ_HIGH;i++)
323 make_bigsur_l1isr(i);
324
325 printk(KERN_INFO "Big Sur CPLD L1 interrupts %d to %d.\n",
326 BIGSUR_IRQ_LOW,BIGSUR_IRQ_HIGH);
327
328 for(i=BIGSUR_2NDLVL_IRQ_LOW;i<BIGSUR_2NDLVL_IRQ_HIGH;i++)
329 make_bigsur_l2isr(i);
330
331 printk(KERN_INFO "Big Sur CPLD L2 interrupts %d to %d.\n",
332 BIGSUR_2NDLVL_IRQ_LOW,BIGSUR_2NDLVL_IRQ_HIGH);
333
334}
diff --git a/arch/sh/boards/bigsur/led.c b/arch/sh/boards/bigsur/led.c
deleted file mode 100644
index d221439aafcc..000000000000
--- a/arch/sh/boards/bigsur/led.c
+++ /dev/null
@@ -1,54 +0,0 @@
1/*
2 * linux/arch/sh/boards/bigsur/led.c
3 *
4 * By Dustin McIntire (dustin@sensoria.com) (c)2001
5 * Derived from led_se.c and led.c, which bore the message:
6 * Copyright (C) 2000 Stuart Menefy <stuart.menefy@st.com>
7 *
8 * May be copied or modified under the terms of the GNU General Public
9 * License. See linux/COPYING for more information.
10 *
11 * This file contains Big Sur specific LED code.
12 */
13
14#include <asm/io.h>
15#include <asm/bigsur/bigsur.h>
16
17static void mach_led(int position, int value)
18{
19 int word;
20
21 word = bigsur_inl(BIGSUR_CSLR);
22 if (value) {
23 bigsur_outl(word & ~BIGSUR_LED, BIGSUR_CSLR);
24 } else {
25 bigsur_outl(word | BIGSUR_LED, BIGSUR_CSLR);
26 }
27}
28
29#ifdef CONFIG_HEARTBEAT
30
31#include <linux/sched.h>
32
33/* Cycle the LED on/off */
34void heartbeat_bigsur(void)
35{
36 static unsigned cnt = 0, period = 0, dist = 0;
37
38 if (cnt == 0 || cnt == dist)
39 mach_led( -1, 1);
40 else if (cnt == 7 || cnt == dist+7)
41 mach_led( -1, 0);
42
43 if (++cnt > period) {
44 cnt = 0;
45 /* The hyperbolic function below modifies the heartbeat period
46 * length in dependency of the current (5min) load. It goes
47 * through the points f(0)=126, f(1)=86, f(5)=51,
48 * f(inf)->30. */
49 period = ((672<<FSHIFT)/(5*avenrun[0]+(7<<FSHIFT))) + 30;
50 dist = period / 4;
51 }
52}
53#endif /* CONFIG_HEARTBEAT */
54
diff --git a/arch/sh/boards/bigsur/setup.c b/arch/sh/boards/bigsur/setup.c
deleted file mode 100644
index 9711c20fc9e4..000000000000
--- a/arch/sh/boards/bigsur/setup.c
+++ /dev/null
@@ -1,88 +0,0 @@
1/*
2 *
3 * By Dustin McIntire (dustin@sensoria.com) (c)2001
4 *
5 * Setup and IRQ handling code for the HD64465 companion chip.
6 * by Greg Banks <gbanks@pocketpenguins.com>
7 * Copyright (c) 2000 PocketPenguins Inc
8 *
9 * Derived from setup_hd64465.c which bore the message:
10 * Greg Banks <gbanks@pocketpenguins.com>
11 * Copyright (c) 2000 PocketPenguins Inc and
12 * Copyright (C) 2000 YAEGASHI Takeshi
13 * and setup_cqreek.c which bore message:
14 * Copyright (C) 2000 Niibe Yutaka
15 *
16 * May be copied or modified under the terms of the GNU General Public
17 * License. See linux/COPYING for more information.
18 *
19 * Setup functions for a Hitachi Big Sur Evaluation Board.
20 *
21 */
22
23#include <linux/sched.h>
24#include <linux/module.h>
25#include <linux/kernel.h>
26#include <linux/param.h>
27#include <linux/ioport.h>
28#include <linux/interrupt.h>
29#include <linux/init.h>
30#include <linux/irq.h>
31#include <linux/bitops.h>
32
33#include <asm/io.h>
34#include <asm/irq.h>
35#include <asm/machvec.h>
36#include <asm/bigsur/io.h>
37#include <asm/hd64465/hd64465.h>
38#include <asm/bigsur/bigsur.h>
39
40/*===========================================================*/
41// Big Sur Init Routines
42/*===========================================================*/
43
44static void __init bigsur_setup(char **cmdline_p)
45{
46 /* Mask all 2nd level IRQ's */
47 outb(-1,BIGSUR_IMR0);
48 outb(-1,BIGSUR_IMR1);
49 outb(-1,BIGSUR_IMR2);
50 outb(-1,BIGSUR_IMR3);
51
52 /* Mask 1st level interrupts */
53 outb(-1,BIGSUR_IRLMR0);
54 outb(-1,BIGSUR_IRLMR1);
55
56#if defined (CONFIG_HD64465) && defined (CONFIG_SERIAL)
57 /* remap IO ports for first ISA serial port to HD64465 UART */
58 bigsur_port_map(0x3f8, 8, CONFIG_HD64465_IOBASE + 0x8000, 1);
59#endif /* CONFIG_HD64465 && CONFIG_SERIAL */
60 /* TODO: setup IDE registers */
61 bigsur_port_map(BIGSUR_IDECTL_IOPORT, 2, BIGSUR_ICTL, 8);
62 /* Setup the Ethernet port to BIGSUR_ETHER_IOPORT */
63 bigsur_port_map(BIGSUR_ETHER_IOPORT, 16, BIGSUR_ETHR+BIGSUR_ETHER_IOPORT, 0);
64 /* set page to 1 */
65 outw(1, BIGSUR_ETHR+0xe);
66 /* set the IO port to BIGSUR_ETHER_IOPORT */
67 outw(BIGSUR_ETHER_IOPORT<<3, BIGSUR_ETHR+0x2);
68}
69
70/*
71 * The Machine Vector
72 */
73extern void heartbeat_bigsur(void);
74extern void init_bigsur_IRQ(void);
75
76struct sh_machine_vector mv_bigsur __initmv = {
77 .mv_name = "Big Sur",
78 .mv_setup = bigsur_setup,
79
80 .mv_isa_port2addr = bigsur_isa_port2addr,
81 .mv_irq_demux = bigsur_irq_demux,
82
83 .mv_init_irq = init_bigsur_IRQ,
84#ifdef CONFIG_HEARTBEAT
85 .mv_heartbeat = heartbeat_bigsur,
86#endif
87};
88ALIAS_MV(bigsur)
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 2024-11-12 05:53:15 -0500