79d7cd31f9
It was sharing the nxp directory but no code with pnx833x and will fit better into the new platform makefile scheme, if moved. Also after the pnx833x code has been moved up, the pnx8550 Code was the last users of the nxp dir. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
111 lines
3.8 KiB
C
111 lines
3.8 KiB
C
/*
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* This program is free software; you can distribute it and/or modify it
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* under the terms of the GNU General Public License (Version 2) as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
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*/
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#include <linux/init.h>
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#include <linux/proc_fs.h>
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#include <linux/irq.h>
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#include <linux/sched.h>
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#include <linux/interrupt.h>
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#include <linux/kernel_stat.h>
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#include <linux/random.h>
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#include <asm/io.h>
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#include <int.h>
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#include <uart.h>
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static int pnx8550_timers_read(char* page, char** start, off_t offset, int count, int* eof, void* data)
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{
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int len = 0;
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int configPR = read_c0_config7();
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if (offset==0) {
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len += sprintf(&page[len], "Timer: count, compare, tc, status\n");
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len += sprintf(&page[len], " 1: %11i, %8i, %1i, %s\n",
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read_c0_count(), read_c0_compare(),
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(configPR>>6)&0x1, ((configPR>>3)&0x1)? "off":"on");
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len += sprintf(&page[len], " 2: %11i, %8i, %1i, %s\n",
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read_c0_count2(), read_c0_compare2(),
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(configPR>>7)&0x1, ((configPR>>4)&0x1)? "off":"on");
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len += sprintf(&page[len], " 3: %11i, %8i, %1i, %s\n",
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read_c0_count3(), read_c0_compare3(),
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(configPR>>8)&0x1, ((configPR>>5)&0x1)? "off":"on");
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}
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return len;
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}
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static int pnx8550_registers_read(char* page, char** start, off_t offset, int count, int* eof, void* data)
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{
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int len = 0;
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if (offset==0) {
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len += sprintf(&page[len], "config1: %#10.8x\n", read_c0_config1());
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len += sprintf(&page[len], "config2: %#10.8x\n", read_c0_config2());
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len += sprintf(&page[len], "config3: %#10.8x\n", read_c0_config3());
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len += sprintf(&page[len], "configPR: %#10.8x\n", read_c0_config7());
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len += sprintf(&page[len], "status: %#10.8x\n", read_c0_status());
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len += sprintf(&page[len], "cause: %#10.8x\n", read_c0_cause());
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len += sprintf(&page[len], "count: %#10.8x\n", read_c0_count());
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len += sprintf(&page[len], "count_2: %#10.8x\n", read_c0_count2());
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len += sprintf(&page[len], "count_3: %#10.8x\n", read_c0_count3());
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len += sprintf(&page[len], "compare: %#10.8x\n", read_c0_compare());
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len += sprintf(&page[len], "compare_2: %#10.8x\n", read_c0_compare2());
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len += sprintf(&page[len], "compare_3: %#10.8x\n", read_c0_compare3());
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}
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return len;
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}
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static struct proc_dir_entry* pnx8550_dir;
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static struct proc_dir_entry* pnx8550_timers;
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static struct proc_dir_entry* pnx8550_registers;
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static int pnx8550_proc_init( void )
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{
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// Create /proc/pnx8550
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pnx8550_dir = proc_mkdir("pnx8550", NULL);
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if (!pnx8550_dir) {
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printk(KERN_ERR "Can't create pnx8550 proc dir\n");
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return -1;
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}
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// Create /proc/pnx8550/timers
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pnx8550_timers = create_proc_read_entry(
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"timers",
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0,
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pnx8550_dir,
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pnx8550_timers_read,
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NULL);
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if (!pnx8550_timers)
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printk(KERN_ERR "Can't create pnx8550 timers proc file\n");
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// Create /proc/pnx8550/registers
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pnx8550_registers = create_proc_read_entry(
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"registers",
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0,
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pnx8550_dir,
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pnx8550_registers_read,
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NULL);
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if (!pnx8550_registers)
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printk(KERN_ERR "Can't create pnx8550 registers proc file\n");
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return 0;
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}
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__initcall(pnx8550_proc_init);
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