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Diffstat (limited to 'arch/mips/nxp/pnx8550/common/proc.c')
-rw-r--r--arch/mips/nxp/pnx8550/common/proc.c112
1 files changed, 112 insertions, 0 deletions
diff --git a/arch/mips/nxp/pnx8550/common/proc.c b/arch/mips/nxp/pnx8550/common/proc.c
new file mode 100644
index 000000000000..18b125e3b65d
--- /dev/null
+++ b/arch/mips/nxp/pnx8550/common/proc.c
@@ -0,0 +1,112 @@
1/*
2 * This program is free software; you can distribute it and/or modify it
3 * under the terms of the GNU General Public License (Version 2) as
4 * published by the Free Software Foundation.
5 *
6 * This program is distributed in the hope it will be useful, but WITHOUT
7 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
8 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
9 * for more details.
10 *
11 * You should have received a copy of the GNU General Public License along
12 * with this program; if not, write to the Free Software Foundation, Inc.,
13 * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
14 */
15#include <linux/init.h>
16#include <linux/proc_fs.h>
17#include <linux/irq.h>
18#include <linux/sched.h>
19#include <linux/slab.h>
20#include <linux/interrupt.h>
21#include <linux/kernel_stat.h>
22#include <linux/random.h>
23
24#include <asm/io.h>
25#include <asm/gdb-stub.h>
26#include <int.h>
27#include <uart.h>
28
29
30static int pnx8550_timers_read(char* page, char** start, off_t offset, int count, int* eof, void* data)
31{
32 int len = 0;
33 int configPR = read_c0_config7();
34
35 if (offset==0) {
36 len += sprintf(&page[len], "Timer: count, compare, tc, status\n");
37 len += sprintf(&page[len], " 1: %11i, %8i, %1i, %s\n",
38 read_c0_count(), read_c0_compare(),
39 (configPR>>6)&0x1, ((configPR>>3)&0x1)? "off":"on");
40 len += sprintf(&page[len], " 2: %11i, %8i, %1i, %s\n",
41 read_c0_count2(), read_c0_compare2(),
42 (configPR>>7)&0x1, ((configPR>>4)&0x1)? "off":"on");
43 len += sprintf(&page[len], " 3: %11i, %8i, %1i, %s\n",
44 read_c0_count3(), read_c0_compare3(),
45 (configPR>>8)&0x1, ((configPR>>5)&0x1)? "off":"on");
46 }
47
48 return len;
49}
50
51static int pnx8550_registers_read(char* page, char** start, off_t offset, int count, int* eof, void* data)
52{
53 int len = 0;
54
55 if (offset==0) {
56 len += sprintf(&page[len], "config1: %#10.8x\n", read_c0_config1());
57 len += sprintf(&page[len], "config2: %#10.8x\n", read_c0_config2());
58 len += sprintf(&page[len], "config3: %#10.8x\n", read_c0_config3());
59 len += sprintf(&page[len], "configPR: %#10.8x\n", read_c0_config7());
60 len += sprintf(&page[len], "status: %#10.8x\n", read_c0_status());
61 len += sprintf(&page[len], "cause: %#10.8x\n", read_c0_cause());
62 len += sprintf(&page[len], "count: %#10.8x\n", read_c0_count());
63 len += sprintf(&page[len], "count_2: %#10.8x\n", read_c0_count2());
64 len += sprintf(&page[len], "count_3: %#10.8x\n", read_c0_count3());
65 len += sprintf(&page[len], "compare: %#10.8x\n", read_c0_compare());
66 len += sprintf(&page[len], "compare_2: %#10.8x\n", read_c0_compare2());
67 len += sprintf(&page[len], "compare_3: %#10.8x\n", read_c0_compare3());
68 }
69
70 return len;
71}
72
73static struct proc_dir_entry* pnx8550_dir = NULL;
74static struct proc_dir_entry* pnx8550_timers = NULL;
75static struct proc_dir_entry* pnx8550_registers = NULL;
76
77static int pnx8550_proc_init( void )
78{
79
80 // Create /proc/pnx8550
81 pnx8550_dir = proc_mkdir("pnx8550", NULL);
82 if (!pnx8550_dir) {
83 printk(KERN_ERR "Can't create pnx8550 proc dir\n");
84 return -1;
85 }
86
87 // Create /proc/pnx8550/timers
88 pnx8550_timers = create_proc_read_entry(
89 "timers",
90 0,
91 pnx8550_dir,
92 pnx8550_timers_read,
93 NULL);
94
95 if (!pnx8550_timers)
96 printk(KERN_ERR "Can't create pnx8550 timers proc file\n");
97
98 // Create /proc/pnx8550/registers
99 pnx8550_registers = create_proc_read_entry(
100 "registers",
101 0,
102 pnx8550_dir,
103 pnx8550_registers_read,
104 NULL);
105
106 if (!pnx8550_registers)
107 printk(KERN_ERR "Can't create pnx8550 registers proc file\n");
108
109 return 0;
110}
111
112__initcall(pnx8550_proc_init);