[][Add initial mtk feed for OpenWRT v21.02]
[Description]
Add initial mtk feed for OpenWRT v21.02
[Release-log]
N/A
Change-Id: I8051c6ba87f1ccf26c02fdd88a17d66f63c0b101
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/4495320
diff --git a/feed/regs/Makefile b/feed/regs/Makefile
new file mode 100755
index 0000000..d0f2444
--- /dev/null
+++ b/feed/regs/Makefile
@@ -0,0 +1,39 @@
+#
+# hua.shao@mediatek.com
+#
+# MTK Property Software.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=regs
+PKG_RELEASE:=1
+
+PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)
+
+include $(INCLUDE_DIR)/package.mk
+include $(INCLUDE_DIR)/kernel.mk
+
+define Package/regs
+ SECTION:=MTK Properties
+ CATEGORY:=MTK Properties
+ TITLE:=an program to read/write from/to a pci device from userspace.
+ SUBMENU:=Applications
+ DEPENDS:=+@KERNEL_DEVMEM
+endef
+
+define Package/regs/description
+ Simple program to read/write from/to a pci device from userspace.
+endef
+
+define Build/Configure
+endef
+
+define Package/regs/install
+ $(INSTALL_DIR) $(1)/usr/bin
+ $(INSTALL_BIN) $(PKG_BUILD_DIR)/regs $(1)/usr/bin
+endef
+
+
+$(eval $(call BuildPackage,regs))
+
diff --git a/feed/regs/src/Makefile b/feed/regs/src/Makefile
new file mode 100644
index 0000000..bc3a12f
--- /dev/null
+++ b/feed/regs/src/Makefile
@@ -0,0 +1,13 @@
+EXEC = regs
+
+all: $(EXEC)
+
+$(EXEC): $(EXEC).c
+ $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $@.c $(LDLIBS)
+
+romfs:
+ $(ROMFSINST) /bin/$(EXEC)
+
+clean:
+ -rm -f $(EXEC) *.elf *.gdb *.o
+
diff --git a/feed/regs/src/regs.c b/feed/regs/src/regs.c
new file mode 100755
index 0000000..43397dd
--- /dev/null
+++ b/feed/regs/src/regs.c
@@ -0,0 +1,166 @@
+/*
+ * 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;
+
+ if ((start_bit < 0) || (start_bit > 31) ||
+ (data_len < 1) || (data_len > 32) ||
+ (start_bit + data_len > 32)) {
+ fprintf(stderr, "Startbit range[0~31], and DataLen range[1~32], and Startbit + DataLen <= 32\n");
+ return;
+ }
+
+ 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;
+
+ printf("Modify 0x%X[%d:%d]; ", data, start_bit + data_len - 1, start_bit);
+}
+
+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. Range[0~31]\n"
+ "\tDataLen : Data length of Data. Range[1~32], and Startbit + DataLen <= 32\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 < 3) {
+ usage();
+ exit(1);
+ }
+
+ access_type = tolower(argv[1][0]);
+ if ((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%llX (%p): 0x%X\n",
+ (unsigned long long)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;
+ printf("Written 0x%X; ", writeval);
+ break;
+ case 'd':
+ dump_page(virt_addr, map_base, (uint32_t *)(offset & ~MAP_MASK));
+ goto out;
+ default:
+ fprintf(stderr, "Illegal data type '%c'.\n", access_type);
+ goto out;
+ }
+
+ read_result = *((volatile uint32_t *) virt_addr);
+ printf("Readback 0x%X\n", read_result);
+
+out:
+ if(munmap(map_base, MAP_SIZE) == -1)
+ PRINT_ERROR;
+
+ close(fd);
+ return 0;
+}