diff options
Diffstat (limited to 'arch/mips/nxp/pnx8550/common/proc.c')
| -rw-r--r-- | arch/mips/nxp/pnx8550/common/proc.c | 112 |
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 @@ +/* + * 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 = proc_mkdir("pnx8550", NULL); + if (!pnx8550_dir) { + printk(KERN_ERR "Can't create pnx8550 proc dir\n"); + return -1; + } + + // Create /proc/pnx8550/timers + pnx8550_timers = create_proc_read_entry( + "timers", + 0, + pnx8550_dir, + pnx8550_timers_read, + NULL); + + if (!pnx8550_timers) + printk(KERN_ERR "Can't create pnx8550 timers proc file\n"); + + // Create /proc/pnx8550/registers + pnx8550_registers = create_proc_read_entry( + "registers", + 0, + pnx8550_dir, + pnx8550_registers_read, + NULL); + + if (!pnx8550_registers) + printk(KERN_ERR "Can't create pnx8550 registers proc file\n"); + + return 0; +} + +__initcall(pnx8550_proc_init); |