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-rw-r--r--README5
-rw-r--r--common/cmd_fdt.c113
-rw-r--r--drivers/mtd/cfi_flash.c40
-rw-r--r--include/configs/TQM5200.h21
-rw-r--r--include/libfdt.h32
-rw-r--r--libfdt/fdt.c46
-rw-r--r--libfdt/fdt_ro.c277
-rw-r--r--libfdt/fdt_rw.c34
-rw-r--r--libfdt/libfdt_internal.h7
-rw-r--r--post/board/lwmon5/watchdog.c43
10 files changed, 389 insertions, 229 deletions
diff --git a/README b/README
index b230fde..0e37b8b 100644
--- a/README
+++ b/README
@@ -1946,6 +1946,11 @@ Configuration Settings:
is useful, if some of the configured banks are only
optionally available.
+- CONFIG_FLASH_SHOW_PROGRESS
+ If defined (must be an integer), print out countdown
+ digits and dots. Recommended value: 45 (9..1) for 80
+ column displays, 15 (3..1) for 40 column displays.
+
- CFG_RX_ETH_BUFFER:
Defines the number of ethernet receive buffers. On some
ethernet controllers it is recommended to set this value
diff --git a/common/cmd_fdt.c b/common/cmd_fdt.c
index 9cd22ee..14c3fa0 100644
--- a/common/cmd_fdt.c
+++ b/common/cmd_fdt.c
@@ -260,7 +260,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
/********************************************************************
* Remove a property/node
********************************************************************/
- } else if (argv[1][0] == 'r') {
+ } else if ((argv[1][0] == 'r') && (argv[1][1] == 'm')) {
int nodeoffset; /* node offset from libfdt */
int err;
@@ -296,6 +296,111 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
return err;
}
}
+
+ /********************************************************************
+ * Display header info
+ ********************************************************************/
+ } else if (argv[1][0] == 'h') {
+ u32 version = fdt_version(fdt);
+ printf("magic:\t\t\t0x%x\n", fdt_magic(fdt));
+ printf("totalsize:\t\t0x%x (%d)\n", fdt_totalsize(fdt), fdt_totalsize(fdt));
+ printf("off_dt_struct:\t\t0x%x\n", fdt_off_dt_struct(fdt));
+ printf("off_dt_strings:\t\t0x%x\n", fdt_off_dt_strings(fdt));
+ printf("off_mem_rsvmap:\t\t0x%x\n", fdt_off_mem_rsvmap(fdt));
+ printf("version:\t\t%d\n", version);
+ printf("last_comp_version:\t%d\n", fdt_last_comp_version(fdt));
+ if (version >= 2)
+ printf("boot_cpuid_phys:\t0x%x\n",
+ fdt_boot_cpuid_phys(fdt));
+ if (version >= 3)
+ printf("size_dt_strings:\t0x%x\n",
+ fdt_size_dt_strings(fdt));
+ if (version >= 17)
+ printf("size_dt_struct:\t\t0x%x\n",
+ fdt_size_dt_struct(fdt));
+ printf("number mem_rsv:\t\t0x%x\n", fdt_num_mem_rsv(fdt));
+ printf("\n");
+
+ /********************************************************************
+ * Set boot cpu id
+ ********************************************************************/
+ } else if ((argv[1][0] == 'b') && (argv[1][1] == 'o') &&
+ (argv[1][2] == 'o')) {
+ unsigned long tmp = simple_strtoul(argv[2], NULL, 16);
+ fdt_set_boot_cpuid_phys(fdt, tmp);
+
+ /********************************************************************
+ * memory command
+ ********************************************************************/
+ } else if ((argv[1][0] == 'm') && (argv[1][1] == 'e')) {
+ uint64_t addr, size;
+ int err;
+#ifdef CFG_64BIT_STRTOUL
+ addr = simple_strtoull(argv[2], NULL, 16);
+ size = simple_strtoull(argv[3], NULL, 16);
+#else
+ addr = simple_strtoul(argv[2], NULL, 16);
+ size = simple_strtoul(argv[3], NULL, 16);
+#endif
+ err = fdt_fixup_memory(fdt, addr, size);
+ if (err < 0)
+ return err;
+
+ /********************************************************************
+ * mem reserve commands
+ ********************************************************************/
+ } else if ((argv[1][0] == 'r') && (argv[1][1] == 's')) {
+ if (argv[2][0] == 'p') {
+ uint64_t addr, size;
+ int total = fdt_num_mem_rsv(fdt);
+ int j, err;
+ printf("index\t\t start\t\t size\n");
+ printf("-------------------------------"
+ "-----------------\n");
+ for (j = 0; j < total; j++) {
+ err = fdt_get_mem_rsv(fdt, j, &addr, &size);
+ if (err < 0) {
+ printf("libfdt fdt_get_mem_rsv(): %s\n",
+ fdt_strerror(err));
+ return err;
+ }
+ printf(" %x\t%08x%08x\t%08x%08x\n", j,
+ (u32)(addr >> 32),
+ (u32)(addr & 0xffffffff),
+ (u32)(size >> 32),
+ (u32)(size & 0xffffffff));
+ }
+ } else if (argv[2][0] == 'a') {
+ uint64_t addr, size;
+ int err;
+#ifdef CFG_64BIT_STRTOUL
+ addr = simple_strtoull(argv[3], NULL, 16);
+ size = simple_strtoull(argv[4], NULL, 16);
+#else
+ addr = simple_strtoul(argv[3], NULL, 16);
+ size = simple_strtoul(argv[4], NULL, 16);
+#endif
+ err = fdt_add_mem_rsv(fdt, addr, size);
+
+ if (err < 0) {
+ printf("libfdt fdt_add_mem_rsv(): %s\n",
+ fdt_strerror(err));
+ return err;
+ }
+ } else if (argv[2][0] == 'd') {
+ unsigned long idx = simple_strtoul(argv[3], NULL, 16);
+ int err = fdt_del_mem_rsv(fdt, idx);
+
+ if (err < 0) {
+ printf("libfdt fdt_del_mem_rsv(): %s\n",
+ fdt_strerror(err));
+ return err;
+ }
+ } else {
+ /* Unrecognized command */
+ printf ("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ }
}
#ifdef CONFIG_OF_BOARD_SETUP
/* Call the board-specific fixup routine */
@@ -689,6 +794,12 @@ U_BOOT_CMD(
"fdt set <path> <prop> [<val>] - Set <property> [to <val>]\n"
"fdt mknode <path> <node> - Create a new node after <path>\n"
"fdt rm <path> [<prop>] - Delete the node or <property>\n"
+ "fdt header - Display header info\n"
+ "fdt bootcpu <id> - Set boot cpuid\n"
+ "fdt memory <addr> <size> - Add/Update memory node\n"
+ "fdt rsvmem print - Show current mem reserves\n"
+ "fdt rsvmem add <addr> <size> - Add a mem reserve\n"
+ "fdt rsvmem delete <index> - Delete a mem reserves\n"
"fdt chosen - Add/update the /chosen branch in the tree\n"
#ifdef CONFIG_OF_HAS_UBOOT_ENV
"fdt env - Add/replace the /u-boot-env branch in the tree\n"
diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c
index 439c950..f04c72d 100644
--- a/drivers/mtd/cfi_flash.c
+++ b/drivers/mtd/cfi_flash.c
@@ -1180,6 +1180,27 @@ void flash_print_info (flash_info_t * info)
}
/*-----------------------------------------------------------------------
+ * This is used in a few places in write_buf() to show programming
+ * progress. Making it a function is nasty because it needs to do side
+ * effect updates to digit and dots. Repeated code is nasty too, so
+ * we define it once here.
+ */
+#ifdef CONFIG_FLASH_SHOW_PROGRESS
+#define FLASH_SHOW_PROGRESS(scale, dots, digit, dots_sub) \
+ dots -= dots_sub; \
+ if ((scale > 0) && (dots <= 0)) { \
+ if ((digit % 5) == 0) \
+ printf ("%d", digit / 5); \
+ else \
+ putc ('.'); \
+ digit--; \
+ dots += scale; \
+ }
+#else
+#define FLASH_SHOW_PROGRESS(scale, dots, digit, dots_sub)
+#endif
+
+/*-----------------------------------------------------------------------
* Copy memory to flash, returns:
* 0 - OK
* 1 - write timeout
@@ -1192,10 +1213,23 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
int aln;
cfiword_t cword;
int i, rc;
-
#ifdef CFG_FLASH_USE_BUFFER_WRITE
int buffered_size;
#endif
+#ifdef CONFIG_FLASH_SHOW_PROGRESS
+ int digit = CONFIG_FLASH_SHOW_PROGRESS;
+ int scale = 0;
+ int dots = 0;
+
+ /*
+ * Suppress if there are fewer than CONFIG_FLASH_SHOW_PROGRESS writes.
+ */
+ if (cnt >= CONFIG_FLASH_SHOW_PROGRESS) {
+ scale = (int)((cnt + CONFIG_FLASH_SHOW_PROGRESS - 1) /
+ CONFIG_FLASH_SHOW_PROGRESS);
+ }
+#endif
+
/* get lower aligned address */
wp = (addr & ~(info->portwidth - 1));
@@ -1219,6 +1253,7 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
return rc;
wp += i;
+ FLASH_SHOW_PROGRESS(scale, dots, digit, i);
}
/* handle the aligned part */
@@ -1248,6 +1283,7 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
wp += i;
src += i;
cnt -= i;
+ FLASH_SHOW_PROGRESS(scale, dots, digit, i);
}
#else
while (cnt >= info->portwidth) {
@@ -1259,8 +1295,10 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
return rc;
wp += info->portwidth;
cnt -= info->portwidth;
+ FLASH_SHOW_PROGRESS(scale, dots, digit, info->portwidth);
}
#endif /* CFG_FLASH_USE_BUFFER_WRITE */
+
if (cnt == 0) {
return (0);
}
diff --git a/include/configs/TQM5200.h b/include/configs/TQM5200.h
index 9a0e9b8..b36c826 100644
--- a/include/configs/TQM5200.h
+++ b/include/configs/TQM5200.h
@@ -252,12 +252,22 @@
"setup=tftp 200000 cam5200/setup.img; autoscr 200000\0"
#endif
+#if defined(CONFIG_TQM5200_B)
+#define ENV_FLASH_LAYOUT \
+ "fdt_addr=FC100000\0" \
+ "kernel_addr=FC140000\0" \
+ "ramdisk_addr=FC600000\0"
+#else /* !CONFIG_TQM5200_B */
+#define ENV_FLASH_LAYOUT \
+ "fdt_addr=FC0A0000\0" \
+ "kernel_addr=FC0C0000\0" \
+ "ramdisk_addr=FC300000\0"
+#endif
+
#define CONFIG_EXTRA_ENV_SETTINGS \
"netdev=eth0\0" \
"console=ttyPSC0\0" \
- "fdt_addr=FC0A0000\0" \
- "kernel_addr=FC0C0000\0" \
- "ramdisk_addr=FC300000\0" \
+ ENV_FLASH_LAYOUT \
"kernel_addr_r=400000\0" \
"fdt_addr_r=600000\0" \
"rootpath=/opt/eldk/ppc_6xx\0" \
@@ -400,8 +410,9 @@
# if defined(CONFIG_TQM5200_B)
# if defined(CFG_LOWBOOT)
# define MTDPARTS_DEFAULT "mtdparts=TQM5200-0:1m(firmware)," \
- "1536k(kernel)," \
- "3584k(small-fs)," \
+ "256k(dtb)," \
+ "2304k(kernel)," \
+ "2560k(small-fs)," \
"2m(initrd)," \
"8m(misc)," \
"16m(big-fs)"
diff --git a/include/libfdt.h b/include/libfdt.h
index 6c05236..beeacb2 100644
--- a/include/libfdt.h
+++ b/include/libfdt.h
@@ -131,6 +131,12 @@ static inline void *fdt_offset_ptr_w(void *fdt, int offset, int checklen)
uint32_t fdt_next_tag(const void *fdt, int offset, int *nextoffset);
/**********************************************************************/
+/* Traversal functions */
+/**********************************************************************/
+
+int fdt_next_node(const void *fdt, int offset, int *depth);
+
+/**********************************************************************/
/* General functions */
/**********************************************************************/
@@ -846,6 +852,32 @@ int fdt_add_mem_rsv(void *fdt, uint64_t address, uint64_t size);
int fdt_del_mem_rsv(void *fdt, int n);
/**
+ * fdt_set_name - change the name of a given node
+ * @fdt: pointer to the device tree blob
+ * @nodeoffset: structure block offset of a node
+ * @name: name to give the node
+ *
+ * fdt_set_name() replaces the name (including unit address, if any)
+ * of the given node with the given string. NOTE: this function can't
+ * efficiently check if the new name is unique amongst the given
+ * node's siblings; results are undefined if this function is invoked
+ * with a name equal to one of the given node's siblings.
+ *
+ * This function may insert or delete data from the blob, and will
+ * therefore change the offsets of some existing nodes.
+ *
+ * returns:
+ * 0, on success
+ * -FDT_ERR_NOSPACE, there is insufficient free space in the blob
+ * to contain the new name
+ * -FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
+ * -FDT_ERR_BADMAGIC,
+ * -FDT_ERR_BADVERSION,
+ * -FDT_ERR_BADSTATE, standard meanings
+ */
+int fdt_set_name(void *fdt, int nodeoffset, const char *name);
+
+/**
* fdt_setprop - create or change a property
* @fdt: pointer to the device tree blob
* @nodeoffset: offset of the node whose property to change
diff --git a/libfdt/fdt.c b/libfdt/fdt.c
index 586a361..bd91712 100644
--- a/libfdt/fdt.c
+++ b/libfdt/fdt.c
@@ -129,6 +129,47 @@ uint32_t fdt_next_tag(const void *fdt, int offset, int *nextoffset)
return tag;
}
+int fdt_next_node(const void *fdt, int offset, int *depth)
+{
+ int nextoffset = 0;
+ uint32_t tag;
+
+ if (offset >= 0) {
+ tag = fdt_next_tag(fdt, offset, &nextoffset);
+ if (tag != FDT_BEGIN_NODE)
+ return -FDT_ERR_BADOFFSET;
+ }
+
+ do {
+ offset = nextoffset;
+ tag = fdt_next_tag(fdt, offset, &nextoffset);
+
+ switch (tag) {
+ case FDT_PROP:
+ case FDT_NOP:
+ break;
+
+ case FDT_BEGIN_NODE:
+ if (depth)
+ (*depth)++;
+ break;
+
+ case FDT_END_NODE:
+ if (depth)
+ (*depth)--;
+ break;
+
+ case FDT_END:
+ return -FDT_ERR_NOTFOUND;
+
+ default:
+ return -FDT_ERR_BADSTRUCTURE;
+ }
+ } while (tag != FDT_BEGIN_NODE);
+
+ return offset;
+}
+
const char *_fdt_find_string(const char *strtab, int tabsize, const char *s)
{
int len = strlen(s) + 1;
@@ -143,10 +184,7 @@ const char *_fdt_find_string(const char *strtab, int tabsize, const char *s)
int fdt_move(const void *fdt, void *buf, int bufsize)
{
- int err = fdt_check_header(fdt);
-
- if (err)
- return err;
+ CHECK_HEADER(fdt);
if (fdt_totalsize(fdt) > bufsize)
return -FDT_ERR_NOSPACE;
diff --git a/libfdt/fdt_ro.c b/libfdt/fdt_ro.c
index 12a37d5..63fa129 100644
--- a/libfdt/fdt_ro.c
+++ b/libfdt/fdt_ro.c
@@ -55,17 +55,10 @@
#include "libfdt_internal.h"
-#define CHECK_HEADER(fdt) \
- { \
- int err; \
- if ((err = fdt_check_header(fdt)) != 0) \
- return err; \
- }
-
static int nodename_eq(const void *fdt, int offset,
const char *s, int len)
{
- const char *p = fdt_offset_ptr(fdt, offset, len+1);
+ const char *p = fdt_offset_ptr(fdt, offset + FDT_TAGSIZE, len+1);
if (! p)
/* short match */
@@ -104,50 +97,24 @@ int fdt_num_mem_rsv(const void *fdt)
return i;
}
-int fdt_subnode_offset_namelen(const void *fdt, int parentoffset,
+int fdt_subnode_offset_namelen(const void *fdt, int offset,
const char *name, int namelen)
{
- int level = 0;
- uint32_t tag;
- int offset, nextoffset;
+ int depth;
CHECK_HEADER(fdt);
- tag = fdt_next_tag(fdt, parentoffset, &nextoffset);
- if (tag != FDT_BEGIN_NODE)
- return -FDT_ERR_BADOFFSET;
-
- do {
- offset = nextoffset;
- tag = fdt_next_tag(fdt, offset, &nextoffset);
-
- switch (tag) {
- case FDT_END:
- return -FDT_ERR_TRUNCATED;
-
- case FDT_BEGIN_NODE:
- level++;
- if (level != 1)
- continue;
- if (nodename_eq(fdt, offset+FDT_TAGSIZE, name, namelen))
- /* Found it! */
- return offset;
- break;
-
- case FDT_END_NODE:
- level--;
- break;
-
- case FDT_PROP:
- case FDT_NOP:
- break;
-
- default:
- return -FDT_ERR_BADSTRUCTURE;
- }
- } while (level >= 0);
+ for (depth = 0;
+ offset >= 0;
+ offset = fdt_next_node(fdt, offset, &depth)) {
+ if (depth < 0)
+ return -FDT_ERR_NOTFOUND;
+ else if ((depth == 1)
+ && nodename_eq(fdt, offset, name, namelen))
+ return offset;
+ }
- return -FDT_ERR_NOTFOUND;
+ return offset; /* error */
}
int fdt_subnode_offset(const void *fdt, int parentoffset,
@@ -307,76 +274,61 @@ uint32_t fdt_get_phandle(const void *fdt, int nodeoffset)
int fdt_get_path(const void *fdt, int nodeoffset, char *buf, int buflen)
{
- uint32_t tag;
- int p = 0, overflow = 0;
- int offset, nextoffset, namelen;
+ int pdepth = 0, p = 0;
+ int offset, depth, namelen;
const char *name;
CHECK_HEADER(fdt);
- tag = fdt_next_tag(fdt, 0, &nextoffset);
- if (tag != FDT_BEGIN_NODE)
- return -FDT_ERR_BADSTRUCTURE;
-
if (buflen < 2)
return -FDT_ERR_NOSPACE;
- buf[0] = '/';
- p = 1;
- while (nextoffset <= nodeoffset) {
- offset = nextoffset;
- tag = fdt_next_tag(fdt, offset, &nextoffset);
- switch (tag) {
- case FDT_END:
- return -FDT_ERR_BADOFFSET;
+ for (offset = 0, depth = 0;
+ (offset >= 0) && (offset <= nodeoffset);
+ offset = fdt_next_node(fdt, offset, &depth)) {
+ if (pdepth < depth)
+ continue; /* overflowed buffer */
- case FDT_BEGIN_NODE:
- name = fdt_get_name(fdt, offset, &namelen);
- if (!name)
- return namelen;
- if (overflow || ((p + namelen + 1) > buflen)) {
- overflow++;
- break;
- }
+ while (pdepth > depth) {
+ do {
+ p--;
+ } while (buf[p-1] != '/');
+ pdepth--;
+ }
+
+ name = fdt_get_name(fdt, offset, &namelen);
+ if (!name)
+ return namelen;
+ if ((p + namelen + 1) <= buflen) {
memcpy(buf + p, name, namelen);
p += namelen;
buf[p++] = '/';
- break;
-
- case FDT_END_NODE:
- if (overflow) {
- overflow--;
- break;
- }
- do {
- p--;
- } while (buf[p-1] != '/');
- break;
+ pdepth++;
+ }
- case FDT_PROP:
- case FDT_NOP:
- break;
+ if (offset == nodeoffset) {
+ if (pdepth < (depth + 1))
+ return -FDT_ERR_NOSPACE;
- default:
- return -FDT_ERR_BADSTRUCTURE;
+ if (p > 1) /* special case so that root path is "/", not "" */
+ p--;
+ buf[p] = '\0';
+ return p;
}
}
- if (overflow)
- return -FDT_ERR_NOSPACE;
+ if ((offset == -FDT_ERR_NOTFOUND) || (offset >= 0))
+ return -FDT_ERR_BADOFFSET;
+ else if (offset == -FDT_ERR_BADOFFSET)
+ return -FDT_ERR_BADSTRUCTURE;
- if (p > 1) /* special case so that root path is "/", not "" */
- p--;
- buf[p] = '\0';
- return p;
+ return offset; /* error from fdt_next_node() */
}
int fdt_supernode_atdepth_offset(const void *fdt, int nodeoffset,
int supernodedepth, int *nodedepth)
{
- int level = -1;
- uint32_t tag;
- int offset, nextoffset = 0;
+ int offset, depth;
int supernodeoffset = -FDT_ERR_INTERNAL;
CHECK_HEADER(fdt);
@@ -384,38 +336,29 @@ int fdt_supernode_atdepth_offset(const void *fdt, int nodeoffset,
if (supernodedepth < 0)
return -FDT_ERR_NOTFOUND;
- do {
- offset = nextoffset;
- tag = fdt_next_tag(fdt, offset, &nextoffset);
- switch (tag) {
- case FDT_END:
- return -FDT_ERR_BADOFFSET;
-
- case FDT_BEGIN_NODE:
- level++;
- if (level == supernodedepth)
- supernodeoffset = offset;
- break;
-
- case FDT_END_NODE:
- level--;
- break;
+ for (offset = 0, depth = 0;
+ (offset >= 0) && (offset <= nodeoffset);
+ offset = fdt_next_node(fdt, offset, &depth)) {
+ if (depth == supernodedepth)
+ supernodeoffset = offset;
- case FDT_PROP:
- case FDT_NOP:
- break;
+ if (offset == nodeoffset) {
+ if (nodedepth)
+ *nodedepth = depth;
- default:
- return -FDT_ERR_BADSTRUCTURE;
+ if (supernodedepth > depth)
+ return -FDT_ERR_NOTFOUND;
+ else
+ return supernodeoffset;
}
- } while (offset < nodeoffset);
+ }
- if (nodedepth)
- *nodedepth = level;
+ if ((offset == -FDT_ERR_NOTFOUND) || (offset >= 0))
+ return -FDT_ERR_BADOFFSET;
+ else if (offset == -FDT_ERR_BADOFFSET)
+ return -FDT_ERR_BADSTRUCTURE;
- if (supernodedepth > level)
- return -FDT_ERR_NOTFOUND;
- return supernodeoffset;
+ return offset; /* error from fdt_next_node() */
}
int fdt_node_depth(const void *fdt, int nodeoffset)
@@ -443,51 +386,27 @@ int fdt_node_offset_by_prop_value(const void *fdt, int startoffset,
const char *propname,
const void *propval, int proplen)
{
- uint32_t tag;
- int offset, nextoffset;
+ int offset;
const void *val;
int len;
CHECK_HEADER(fdt);
- if (startoffset >= 0) {
- tag = fdt_next_tag(fdt, startoffset, &nextoffset);
- if (tag != FDT_BEGIN_NODE)
- return -FDT_ERR_BADOFFSET;
- } else {
- nextoffset = 0;
- }
-
/* FIXME: The algorithm here is pretty horrible: we scan each
* property of a node in fdt_getprop(), then if that didn't
* find what we want, we scan over them again making our way
* to the next node. Still it's the easiest to implement
* approach; performance can come later. */
- do {
- offset = nextoffset;
- tag = fdt_next_tag(fdt, offset, &nextoffset);
-
- switch (tag) {
- case FDT_BEGIN_NODE:
- val = fdt_getprop(fdt, offset, propname, &len);
- if (val
- && (len == proplen)
- && (memcmp(val, propval, len) == 0))
- return offset;
- break;
-
- case FDT_PROP:
- case FDT_END:
- case FDT_END_NODE:
- case FDT_NOP:
- break;
-
- default:
- return -FDT_ERR_BADSTRUCTURE;
- }
- } while (tag != FDT_END);
+ for (offset = fdt_next_node(fdt, startoffset, NULL);
+ offset >= 0;
+ offset = fdt_next_node(fdt, offset, NULL)) {
+ val = fdt_getprop(fdt, offset, propname, &len);
+ if (val && (len == proplen)
+ && (memcmp(val, propval, len) == 0))
+ return offset;
+ }
- return -FDT_ERR_NOTFOUND;
+ return offset; /* error from fdt_next_node() */
}
int fdt_node_offset_by_phandle(const void *fdt, uint32_t phandle)
@@ -534,50 +453,24 @@ int fdt_node_check_compatible(const void *fdt, int nodeoffset,
int fdt_node_offset_by_compatible(const void *fdt, int startoffset,
const char *compatible)
{
- uint32_t tag;
- int offset, nextoffset;
- int err;
+ int offset, err;
CHECK_HEADER(fdt);
- if (startoffset >= 0) {
- tag = fdt_next_tag(fdt, startoffset, &nextoffset);
- if (tag != FDT_BEGIN_NODE)
- return -FDT_ERR_BADOFFSET;
- } else {
- nextoffset = 0;
- }
-
/* FIXME: The algorithm here is pretty horrible: we scan each
* property of a node in fdt_node_check_compatible(), then if
* that didn't find what we want, we scan over them again
* making our way to the next node. Still it's the easiest to
* implement approach; performance can come later. */
- do {
- offset = nextoffset;
- tag = fdt_next_tag(fdt, offset, &nextoffset);
-
- switch (tag) {
- case FDT_BEGIN_NODE:
- err = fdt_node_check_compatible(fdt, offset,
- compatible);
- if ((err < 0)
- && (err != -FDT_ERR_NOTFOUND))
- return err;
- else if (err == 0)
- return offset;
- break;
-
- case FDT_PROP:
- case FDT_END:
- case FDT_END_NODE:
- case FDT_NOP:
- break;
-
- default:
- return -FDT_ERR_BADSTRUCTURE;
- }
- } while (tag != FDT_END);
+ for (offset = fdt_next_node(fdt, startoffset, NULL);
+ offset >= 0;
+ offset = fdt_next_node(fdt, offset, NULL)) {
+ err = fdt_node_check_compatible(fdt, offset, compatible);
+ if ((err < 0) && (err != -FDT_ERR_NOTFOUND))
+ return err;
+ else if (err == 0)
+ return offset;
+ }
- return -FDT_ERR_NOTFOUND;
+ return offset; /* error from fdt_next_node() */
}
diff --git a/libfdt/fdt_rw.c b/libfdt/fdt_rw.c
index 6673f8e..0df472b 100644
--- a/libfdt/fdt_rw.c
+++ b/libfdt/fdt_rw.c
@@ -69,10 +69,8 @@ static int _blocks_misordered(const void *fdt,
static int rw_check_header(void *fdt)
{
- int err;
+ CHECK_HEADER(fdt);
- if ((err = fdt_check_header(fdt)))
- return err;
if (fdt_version(fdt) < 17)
return -FDT_ERR_BADVERSION;
if (_blocks_misordered(fdt, sizeof(struct fdt_reserve_entry),
@@ -252,6 +250,30 @@ static int _add_property(void *fdt, int nodeoffset, const char *name, int len,
return 0;
}
+int fdt_set_name(void *fdt, int nodeoffset, const char *name)
+{
+ char *namep;
+ int oldlen, newlen;
+ int err;
+
+ if ((err = rw_check_header(fdt)))
+ return err;
+
+ namep = (char *)fdt_get_name(fdt, nodeoffset, &oldlen);
+ if (!namep)
+ return oldlen;
+
+ newlen = strlen(name);
+
+ err = _blob_splice_struct(fdt, namep, ALIGN(oldlen+1, FDT_TAGSIZE),
+ ALIGN(newlen+1, FDT_TAGSIZE));
+ if (err)
+ return err;
+
+ memcpy(namep, name, newlen+1);
+ return 0;
+}
+
int fdt_setprop(void *fdt, int nodeoffset, const char *name,
const void *val, int len)
{
@@ -309,7 +331,7 @@ int fdt_add_subnode_namelen(void *fdt, int parentoffset,
do {
offset = nextoffset;
tag = fdt_next_tag(fdt, offset, &nextoffset);
- } while (tag == FDT_PROP);
+ } while ((tag == FDT_PROP) || (tag == FDT_NOP));
nh = _fdt_offset_ptr_w(fdt, offset);
nodelen = sizeof(*nh) + ALIGN(namelen+1, FDT_TAGSIZE) + FDT_TAGSIZE;
@@ -375,9 +397,7 @@ int fdt_open_into(const void *fdt, void *buf, int bufsize)
int newsize;
void *tmp;
- err = fdt_check_header(fdt);
- if (err)
- return err;
+ CHECK_HEADER(fdt);
mem_rsv_size = (fdt_num_mem_rsv(fdt)+1)
* sizeof(struct fdt_reserve_entry);
diff --git a/libfdt/libfdt_internal.h b/libfdt/libfdt_internal.h
index 1e60936..52e1b8d 100644
--- a/libfdt/libfdt_internal.h
+++ b/libfdt/libfdt_internal.h
@@ -58,6 +58,13 @@
#define memeq(p, q, n) (memcmp((p), (q), (n)) == 0)
#define streq(p, q) (strcmp((p), (q)) == 0)
+#define CHECK_HEADER(fdt) \
+ { \
+ int err; \
+ if ((err = fdt_check_header(fdt)) != 0) \
+ return err; \
+ }
+
uint32_t _fdt_next_tag(const void *fdt, int startoffset, int *nextoffset);
const char *_fdt_find_string(const char *strtab, int tabsize, const char *s);
int _fdt_node_end_offset(void *fdt, int nodeoffset);
diff --git a/post/board/lwmon5/watchdog.c b/post/board/lwmon5/watchdog.c
index 8348346..48ff687 100644
--- a/post/board/lwmon5/watchdog.c
+++ b/post/board/lwmon5/watchdog.c
@@ -24,7 +24,8 @@
#include <common.h>
-/* This test verifies if the reason of last reset was an abnormal voltage
+/*
+ * This test verifies if the reason of last reset was an abnormal voltage
* condition, than it performs watchdog test, measuing time required to
* trigger watchdog reset.
*/
@@ -55,7 +56,8 @@ static void watchdog_magic_write(uint value)
int sysmon1_post_test(int flags)
{
if (gpio_read_in_bit(CFG_GPIO_SYSMON_STATUS)) {
- /* 3.1. GPIO62 is low
+ /*
+ * 3.1. GPIO62 is low
* Assuming system voltage failure.
*/
post_log("Abnormal voltage detected (GPIO62)\n");
@@ -67,11 +69,14 @@ int sysmon1_post_test(int flags)
int lwmon5_watchdog_post_test(int flags)
{
+ ulong time;
+
/* On each reset scratch register 1 should be tested,
* but first test GPIO62:
*/
if (!(flags & POST_MANUAL) && sysmon1_post_test(flags)) {
- /* 3.1. GPIO62 is low
+ /*
+ * 3.1. GPIO62 is low
* Assuming system voltage failure.
*/
/* 3.1.1. Set scratch register 1 to 0x0000xxxx */
@@ -81,12 +86,12 @@ int lwmon5_watchdog_post_test(int flags)
}
if (watchdog_magic_read() != CFG_WATCHDOG_MAGIC) {
- /* 3.2. Scratch register 1 differs from magic value 0x1248xxxx
+ /*
+ * 3.2. Scratch register 1 differs from magic value 0x1248xxxx
* Assuming PowerOn
*/
int ints;
ulong base;
- ulong time;
/* 3.2.1. Set magic value to scratch register */
watchdog_magic_write(CFG_WATCHDOG_MAGIC);
@@ -104,28 +109,28 @@ int lwmon5_watchdog_post_test(int flags)
if (ints)
enable_interrupts ();
- /* 3.2.5. Reset didn't happen. - Set 0x0000xxxx
+ /*
+ * 3.2.5. Reset didn't happen. - Set 0x0000xxxx
* into scratch register 1
*/
watchdog_magic_write(0);
/* 3.2.6. Mark test as failed. */
post_log("hw watchdog time : %u ms, failed ", time);
return 2;
- } else {
- /* 3.3. Scratch register matches magic value 0x1248xxxx
- * Assume this is watchdog-initiated reset
- */
- ulong time;
- /* 3.3.1. So, the test succeed, save measured time to syslog. */
- time = in_be32((void *)CFG_WATCHDOG_TIME_ADDR);
- post_log("hw watchdog time : %u ms, passed ", time);
- /* 3.3.2. Set scratch register 1 to 0x0000xxxx */
- watchdog_magic_write(0);
- return 0;
}
- return -1;
-}
+ /*
+ * 3.3. Scratch register matches magic value 0x1248xxxx
+ * Assume this is watchdog-initiated reset
+ */
+ /* 3.3.1. So, the test succeed, save measured time to syslog. */
+ time = in_be32((void *)CFG_WATCHDOG_TIME_ADDR);
+ post_log("hw watchdog time : %u ms, passed ", time);
+ /* 3.3.2. Set scratch register 1 to 0x0000xxxx */
+ watchdog_magic_write(0);
+
+ return 0;
+}
#endif /* CONFIG_POST & CFG_POST_WATCHDOG */
#endif /* CONFIG_POST */