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-rw-r--r--arch/sh/cchips/hd6446x/hd64465/io.c211
1 files changed, 0 insertions, 211 deletions
diff --git a/arch/sh/cchips/hd6446x/hd64465/io.c b/arch/sh/cchips/hd6446x/hd64465/io.c
deleted file mode 100644
index 58704d066ae2..000000000000
--- a/arch/sh/cchips/hd6446x/hd64465/io.c
+++ /dev/null
@@ -1,211 +0,0 @@
1/*
2 * $Id: io.c,v 1.4 2003/08/03 03:05:10 lethal Exp $
3 * by Greg Banks <gbanks@pocketpenguins.com>
4 * (c) 2000 PocketPenguins Inc
5 *
6 * Derived from io_hd64461.c, which bore the message:
7 * Copyright (C) 2000 YAEGASHI Takeshi
8 *
9 * Typical I/O routines for HD64465 system.
10 */
11
12#include <linux/kernel.h>
13#include <linux/module.h>
14#include <asm/io.h>
15#include <asm/hd64465/hd64465.h>
16
17
18#define HD64465_DEBUG 0
19
20#if HD64465_DEBUG
21#define DPRINTK(args...) printk(args)
22#define DIPRINTK(n, args...) if (hd64465_io_debug>(n)) printk(args)
23#else
24#define DPRINTK(args...)
25#define DIPRINTK(n, args...)
26#endif
27
28
29
30/* This is a hack suitable only for debugging IO port problems */
31int hd64465_io_debug;
32EXPORT_SYMBOL(hd64465_io_debug);
33
34/* Low iomap maps port 0-1K to addresses in 8byte chunks */
35#define HD64465_IOMAP_LO_THRESH 0x400
36#define HD64465_IOMAP_LO_SHIFT 3
37#define HD64465_IOMAP_LO_MASK ((1<<HD64465_IOMAP_LO_SHIFT)-1)
38#define HD64465_IOMAP_LO_NMAP (HD64465_IOMAP_LO_THRESH>>HD64465_IOMAP_LO_SHIFT)
39static unsigned long hd64465_iomap_lo[HD64465_IOMAP_LO_NMAP];
40static unsigned char hd64465_iomap_lo_shift[HD64465_IOMAP_LO_NMAP];
41
42/* High iomap maps port 1K-64K to addresses in 1K chunks */
43#define HD64465_IOMAP_HI_THRESH 0x10000
44#define HD64465_IOMAP_HI_SHIFT 10
45#define HD64465_IOMAP_HI_MASK ((1<<HD64465_IOMAP_HI_SHIFT)-1)
46#define HD64465_IOMAP_HI_NMAP (HD64465_IOMAP_HI_THRESH>>HD64465_IOMAP_HI_SHIFT)
47static unsigned long hd64465_iomap_hi[HD64465_IOMAP_HI_NMAP];
48static unsigned char hd64465_iomap_hi_shift[HD64465_IOMAP_HI_NMAP];
49
50#define PORT2ADDR(x) (sh_mv.mv_isa_port2addr(x))
51
52void hd64465_port_map(unsigned short baseport, unsigned int nports,
53 unsigned long addr, unsigned char shift)
54{
55 unsigned int port, endport = baseport + nports;
56
57 DPRINTK("hd64465_port_map(base=0x%04hx, n=0x%04hx, addr=0x%08lx,endport=0x%04x)\n",
58 baseport, nports, addr,endport);
59
60 for (port = baseport ;
61 port < endport && port < HD64465_IOMAP_LO_THRESH ;
62 port += (1<<HD64465_IOMAP_LO_SHIFT)) {
63 DPRINTK(" maplo[0x%x] = 0x%08lx\n", port, addr);
64 hd64465_iomap_lo[port>>HD64465_IOMAP_LO_SHIFT] = addr;
65 hd64465_iomap_lo_shift[port>>HD64465_IOMAP_LO_SHIFT] = shift;
66 addr += (1<<(HD64465_IOMAP_LO_SHIFT));
67 }
68
69 for (port = max_t(unsigned int, baseport, HD64465_IOMAP_LO_THRESH);
70 port < endport && port < HD64465_IOMAP_HI_THRESH ;
71 port += (1<<HD64465_IOMAP_HI_SHIFT)) {
72 DPRINTK(" maphi[0x%x] = 0x%08lx\n", port, addr);
73 hd64465_iomap_hi[port>>HD64465_IOMAP_HI_SHIFT] = addr;
74 hd64465_iomap_hi_shift[port>>HD64465_IOMAP_HI_SHIFT] = shift;
75 addr += (1<<(HD64465_IOMAP_HI_SHIFT));
76 }
77}
78EXPORT_SYMBOL(hd64465_port_map);
79
80void hd64465_port_unmap(unsigned short baseport, unsigned int nports)
81{
82 unsigned int port, endport = baseport + nports;
83
84 DPRINTK("hd64465_port_unmap(base=0x%04hx, n=0x%04hx)\n",
85 baseport, nports);
86
87 for (port = baseport ;
88 port < endport && port < HD64465_IOMAP_LO_THRESH ;
89 port += (1<<HD64465_IOMAP_LO_SHIFT)) {
90 hd64465_iomap_lo[port>>HD64465_IOMAP_LO_SHIFT] = 0;
91 }
92
93 for (port = max_t(unsigned int, baseport, HD64465_IOMAP_LO_THRESH);
94 port < endport && port < HD64465_IOMAP_HI_THRESH ;
95 port += (1<<HD64465_IOMAP_HI_SHIFT)) {
96 hd64465_iomap_hi[port>>HD64465_IOMAP_HI_SHIFT] = 0;
97 }
98}
99EXPORT_SYMBOL(hd64465_port_unmap);
100
101unsigned long hd64465_isa_port2addr(unsigned long port)
102{
103 unsigned long addr = 0;
104 unsigned char shift;
105
106 /* handle remapping of low IO ports */
107 if (port < HD64465_IOMAP_LO_THRESH) {
108 addr = hd64465_iomap_lo[port >> HD64465_IOMAP_LO_SHIFT];
109 shift = hd64465_iomap_lo_shift[port >> HD64465_IOMAP_LO_SHIFT];
110 if (addr != 0)
111 addr += (port & HD64465_IOMAP_LO_MASK) << shift;
112 else
113 printk(KERN_NOTICE "io_hd64465: access to un-mapped port %lx\n", port);
114 } else if (port < HD64465_IOMAP_HI_THRESH) {
115 addr = hd64465_iomap_hi[port >> HD64465_IOMAP_HI_SHIFT];
116 shift = hd64465_iomap_hi_shift[port >> HD64465_IOMAP_HI_SHIFT];
117 if (addr != 0)
118 addr += (port & HD64465_IOMAP_HI_MASK) << shift;
119 else
120 printk(KERN_NOTICE "io_hd64465: access to un-mapped port %lx\n", port);
121 }
122
123 /* HD64465 internal devices (0xb0000000) */
124 else if (port < 0x20000)
125 addr = CONFIG_HD64465_IOBASE + port - 0x10000;
126
127 /* Whole physical address space (0xa0000000) */
128 else
129 addr = P2SEGADDR(port);
130
131 DIPRINTK(2, "PORT2ADDR(0x%08lx) = 0x%08lx\n", port, addr);
132
133 return addr;
134}
135
136static inline void delay(void)
137{
138 ctrl_inw(0xa0000000);
139}
140
141unsigned char hd64465_inb(unsigned long port)
142{
143 unsigned long addr = PORT2ADDR(port);
144 unsigned long b = (addr == 0 ? 0 : *(volatile unsigned char*)addr);
145
146 DIPRINTK(0, "inb(%08lx) = %02x\n", addr, (unsigned)b);
147 return b;
148}
149
150unsigned char hd64465_inb_p(unsigned long port)
151{
152 unsigned long v;
153 unsigned long addr = PORT2ADDR(port);
154
155 v = (addr == 0 ? 0 : *(volatile unsigned char*)addr);
156 delay();
157 DIPRINTK(0, "inb_p(%08lx) = %02x\n", addr, (unsigned)v);
158 return v;
159}
160
161unsigned short hd64465_inw(unsigned long port)
162{
163 unsigned long addr = PORT2ADDR(port);
164 unsigned long b = (addr == 0 ? 0 : *(volatile unsigned short*)addr);
165 DIPRINTK(0, "inw(%08lx) = %04lx\n", addr, b);
166 return b;
167}
168
169unsigned int hd64465_inl(unsigned long port)
170{
171 unsigned long addr = PORT2ADDR(port);
172 unsigned int b = (addr == 0 ? 0 : *(volatile unsigned long*)addr);
173 DIPRINTK(0, "inl(%08lx) = %08x\n", addr, b);
174 return b;
175}
176
177void hd64465_outb(unsigned char b, unsigned long port)
178{
179 unsigned long addr = PORT2ADDR(port);
180
181 DIPRINTK(0, "outb(%02x, %08lx)\n", (unsigned)b, addr);
182 if (addr != 0)
183 *(volatile unsigned char*)addr = b;
184}
185
186void hd64465_outb_p(unsigned char b, unsigned long port)
187{
188 unsigned long addr = PORT2ADDR(port);
189
190 DIPRINTK(0, "outb_p(%02x, %08lx)\n", (unsigned)b, addr);
191 if (addr != 0)
192 *(volatile unsigned char*)addr = b;
193 delay();
194}
195
196void hd64465_outw(unsigned short b, unsigned long port)
197{
198 unsigned long addr = PORT2ADDR(port);
199 DIPRINTK(0, "outw(%04x, %08lx)\n", (unsigned)b, addr);
200 if (addr != 0)
201 *(volatile unsigned short*)addr = b;
202}
203
204void hd64465_outl(unsigned int b, unsigned long port)
205{
206 unsigned long addr = PORT2ADDR(port);
207 DIPRINTK(0, "outl(%08x, %08lx)\n", b, addr);
208 if (addr != 0)
209 *(volatile unsigned long*)addr = b;
210}
211
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-21 21:14:34 -0500