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authorPete Popov <ppopov@embeddedalley.com>2005-07-14 17:47:57 +0000
committerRalf Baechle <ralf@linux-mips.org>2005-10-29 19:31:54 +0100
commitbdf21b18b4abf983db38f04ef7fec88f47389867 (patch)
treeb7e551f09f0ee39f4a59132be4c0890e1ba80d91 /arch/mips/philips/pnx8550/common/proc.c
parente01402b115cccb6357f956649487aca2c6f7fbba (diff)
Philips PNX8550 support: MIPS32-like core with 2 Trimedias on it.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/philips/pnx8550/common/proc.c')
-rw-r--r--arch/mips/philips/pnx8550/common/proc.c113
1 files changed, 113 insertions, 0 deletions
diff --git a/arch/mips/philips/pnx8550/common/proc.c b/arch/mips/philips/pnx8550/common/proc.c
new file mode 100644
index 000000000000..72a016767e09
--- /dev/null
+++ b/arch/mips/philips/pnx8550/common/proc.c
@@ -0,0 +1,113 @@
+/*
+ * This program is free software; you can distribute it and/or modify it
+ * under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ */
+#include <linux/init.h>
+#include <linux/proc_fs.h>
+#include <linux/irq.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/interrupt.h>
+#include <linux/kernel_stat.h>
+#include <linux/random.h>
+
+#include <asm/io.h>
+#include <asm/gdb-stub.h>
+#include <int.h>
+#include <uart.h>
+
+
+static int pnx8550_timers_read (char* page, char** start, off_t offset, int count, int* eof, void* data)
+{
+ int len = 0;
+ int configPR = read_c0_config7();
+
+ if (offset==0) {
+ len += sprintf(&page[len],"Timer: count, compare, tc, status\n");
+ len += sprintf(&page[len]," 1: %11i, %8i, %1i, %s\n",
+ read_c0_count(), read_c0_compare(),
+ (configPR>>6)&0x1, ((configPR>>3)&0x1)? "off":"on");
+ len += sprintf(&page[len]," 2: %11i, %8i, %1i, %s\n",
+ read_c0_count2(), read_c0_compare2(),
+ (configPR>>7)&0x1, ((configPR>>4)&0x1)? "off":"on");
+ len += sprintf(&page[len]," 3: %11i, %8i, %1i, %s\n",
+ read_c0_count3(), read_c0_compare3(),
+ (configPR>>8)&0x1, ((configPR>>5)&0x1)? "off":"on");
+ }
+
+ return len;
+}
+
+static int pnx8550_registers_read (char* page, char** start, off_t offset, int count, int* eof, void* data)
+{
+ int len = 0;
+
+ if (offset==0) {
+ len += sprintf(&page[len],"config1: %#10.8x\n",read_c0_config1());
+ len += sprintf(&page[len],"config2: %#10.8x\n",read_c0_config2());
+ len += sprintf(&page[len],"config3: %#10.8x\n",read_c0_config3());
+ len += sprintf(&page[len],"configPR: %#10.8x\n",read_c0_config7());
+ len += sprintf(&page[len],"status: %#10.8x\n",read_c0_status());
+ len += sprintf(&page[len],"cause: %#10.8x\n",read_c0_cause());
+ len += sprintf(&page[len],"count: %#10.8x\n",read_c0_count());
+ len += sprintf(&page[len],"count_2: %#10.8x\n",read_c0_count2());
+ len += sprintf(&page[len],"count_3: %#10.8x\n",read_c0_count3());
+ len += sprintf(&page[len],"compare: %#10.8x\n",read_c0_compare());
+ len += sprintf(&page[len],"compare_2: %#10.8x\n",read_c0_compare2());
+ len += sprintf(&page[len],"compare_3: %#10.8x\n",read_c0_compare3());
+ }
+
+ return len;
+}
+
+static struct proc_dir_entry* pnx8550_dir = NULL;
+static struct proc_dir_entry* pnx8550_timers = NULL;
+static struct proc_dir_entry* pnx8550_registers = NULL;
+
+static int pnx8550_proc_init( void )
+{
+
+ // Create /proc/pnx8550
+ pnx8550_dir = create_proc_entry("pnx8550", S_IFDIR|S_IRUGO, NULL);
+ if (pnx8550_dir){
+ pnx8550_dir->nlink = 1;
+ }
+ else {
+ printk(KERN_ERR "Can't create pnx8550 proc dir\n");
+ return -1;
+ }
+
+ // Create /proc/pnx8550/timers
+ pnx8550_timers = create_proc_entry("timers", S_IFREG|S_IRUGO, pnx8550_dir );
+ if (pnx8550_timers){
+ pnx8550_timers->nlink = 1;
+ pnx8550_timers->read_proc = pnx8550_timers_read;
+ }
+ else {
+ printk(KERN_ERR "Can't create pnx8550 timers proc file\n");
+ }
+
+ // Create /proc/pnx8550/registers
+ pnx8550_registers = create_proc_entry("registers", S_IFREG|S_IRUGO, pnx8550_dir );
+ if (pnx8550_registers){
+ pnx8550_registers->nlink = 1;
+ pnx8550_registers->read_proc = pnx8550_registers_read;
+ }
+ else {
+ printk(KERN_ERR "Can't create pnx8550 registers proc file\n");
+ }
+
+ return 0;
+}
+
+__initcall(pnx8550_proc_init);

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