[Add devtools regs and mii_mgr]
[Description]
Add devtools regs and mii_mgr
1. regs tool for debug
2. mii_mgr tool for detecting wan link up when external 2.5G phy in force mode
[Release-log]
diff --git a/recipes-devtools/regs/files/COPYING b/recipes-devtools/regs/files/COPYING
new file mode 100644
index 0000000..7975bdb
--- /dev/null
+++ b/recipes-devtools/regs/files/COPYING
@@ -0,0 +1 @@
+Copyright (c) Mediatek 2020
diff --git a/recipes-devtools/regs/files/regs.c b/recipes-devtools/regs/files/regs.c
new file mode 100644
index 0000000..93a3532
--- /dev/null
+++ b/recipes-devtools/regs/files/regs.c
@@ -0,0 +1,155 @@
+/*
+ * pcimem.c: Simple program to read/write from/to a pci device from userspace.
+ *
+ * Copyright (C) 2010, Bill Farrow (bfarrow@beyondelectronics.us)
+ *
+ * Based on the devmem2.c code
+ * Copyright (C) 2000, Jan-Derk Bakker (J.D.Bakker@its.tudelft.nl)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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 <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <signal.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include <termios.h>
+#include <sys/types.h>
+#include <sys/mman.h>
+
+#define PRINT_ERROR \
+ do { \
+ fprintf(stderr, "Error at line %d, file %s (%d) [%s]\n", \
+ __LINE__, __FILE__, errno, strerror(errno)); exit(1); \
+ } while(0)
+
+#define MAP_SIZE 4096UL
+#define MAP_MASK (MAP_SIZE - 1)
+
+void dump_page(uint32_t *vaddr, uint32_t *vbase, uint32_t *pbase){
+
+ int i =0;
+ uint32_t *end = vaddr + (MAP_SIZE >> 6);
+ uint32_t *start = vaddr;
+
+ while(start < end) {
+ printf("%p:%08x %08x %08x %08x\n",
+ start - vbase + pbase, start[0], start[1] , start[2], start[3]);
+ start+=4;
+ }
+}
+
+void reg_mod_bits(uint32_t *virt_addr, int data, int start_bit, int data_len)
+{
+ int mask=0;
+ int value;
+ int i;
+
+ for (i = 0; i < data_len; i++) {
+ mask |= 1 << (start_bit + i);
+ }
+
+ value = *((volatile uint32_t *) virt_addr);
+ value &= ~mask;
+ value |= (data << start_bit) & mask;;
+
+ *((uint32_t *) virt_addr) = value;
+}
+
+void usage(void)
+{
+ fprintf(stderr, "\nUsage:\tregs [Type] [ Offset:Hex ] [ Data:Hex ] [StartBit:Dec] [DataLen:Dec]\n"
+ "\tType : access operation type : [m]odify, [w]wite, [d]ump\n"
+ "\tOffset : offset into memory region to act upon\n"
+ "\tData : data to be written\n"
+ "\tStartbit: Startbit of Addr that want to be modified\n"
+ "\tDataLen : Data length of Data\n\n"
+ "Example:\tRead/Write/Modify register \n"
+ "\tRead : regs d 0x1b100000 //dump 0x1b100000~0x1b1000f0 \n"
+ "\tWrite : regs w 0x1b100000 0x1234 //write 0x1b100000=0x1234\n"
+ "\tModify : regs m 0x1b100000 0x0 29 3 //modify 0x1b100000[29:31]=0\n");
+}
+
+int main(int argc, char **argv) {
+ int fd;
+ void *map_base = NULL;
+ void *virt_addr = NULL;
+ uint32_t read_result =0;
+ uint32_t writeval = 0;
+ uint32_t startbit = 0;
+ uint32_t datalen = 0;
+ char *filename = NULL;
+ off_t offset = 0;
+ int access_type = 0;
+
+ if(argc < 2) {
+ usage();
+ exit(1);
+ }
+
+ access_type = tolower(argv[1][0]);
+ if((access_type == 'd' && argc < 3) || (access_type == 'w' && argc < 4) || (access_type == 'm' && argc < 6)) {
+ usage();
+ exit(1);
+ }
+
+ filename = "/dev/mem";
+ if((fd = open(filename, O_RDWR | O_SYNC)) == -1)
+ PRINT_ERROR;
+
+ /* Map one page */
+ offset = strtoul(argv[2], NULL, 16);
+ map_base = mmap(0, 2*MAP_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED, fd, offset & ~MAP_MASK);
+ if(map_base == (void *) -1)
+ PRINT_ERROR;
+
+ virt_addr = map_base + (offset & MAP_MASK);
+ read_result = *((volatile uint32_t *) virt_addr);
+ printf("Value at 0x%X (%p): 0x%X\n", offset, virt_addr, read_result);
+
+ switch(access_type) {
+ case 'm':
+ writeval = strtoul(argv[3], 0, 16);
+ startbit = strtoul(argv[4], 0, 10);
+ datalen = strtoul(argv[5], 0, 10);
+ reg_mod_bits((uint32_t *)virt_addr, writeval, startbit, datalen);
+ break;
+ case 'w':
+ writeval = strtoul(argv[3], 0, 16);
+ *((uint32_t *) virt_addr) = writeval;
+ break;
+ case 'd':
+ dump_page(virt_addr, map_base, (uint32_t *)(offset & ~MAP_MASK));
+ return;
+ default:
+ fprintf(stderr, "Illegal data type '%c'.\n", access_type);
+ exit(2);
+ }
+
+ read_result = *((volatile uint32_t *) virt_addr);
+ printf("Written 0x%X; Readback 0x%X\n", writeval, read_result);
+
+ if(munmap(map_base, MAP_SIZE) == -1)
+ PRINT_ERROR;
+
+ close(fd);
+ return 0;
+}