Philips PNX8550 support: MIPS32-like core with 2 Trimedias on it.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

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);