mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-10 23:24:38 +00:00
fdt: unshadow global working fdt variable
differentiate with local variables of the same name by renaming the global 'fdt' variable 'working_fdt'. Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
This commit is contained in:
parent
2fb698bf50
commit
e489b9c078
4 changed files with 64 additions and 56 deletions
114
common/cmd_fdt.c
114
common/cmd_fdt.c
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@ -62,7 +62,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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/*
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* Set the address [and length] of the fdt.
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*/
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fdt = (struct fdt_header *)simple_strtoul(argv[2], NULL, 16);
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working_fdt = (struct fdt_header *)simple_strtoul(argv[2], NULL, 16);
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if (!fdt_valid()) {
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return 1;
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@ -75,15 +75,15 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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* Optional new length
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*/
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len = simple_strtoul(argv[3], NULL, 16);
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if (len < fdt_totalsize(fdt)) {
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if (len < fdt_totalsize(working_fdt)) {
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printf ("New length %d < existing length %d, "
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"ignoring.\n",
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len, fdt_totalsize(fdt));
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len, fdt_totalsize(working_fdt));
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} else {
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/*
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* Open in place with a new length.
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*/
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err = fdt_open_into(fdt, fdt, len);
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err = fdt_open_into(working_fdt, working_fdt, len);
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if (err != 0) {
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printf ("libfdt fdt_open_into(): %s\n",
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fdt_strerror(err));
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@ -92,7 +92,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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}
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/********************************************************************
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* Move the fdt
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* Move the working_fdt
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********************************************************************/
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} else if (strncmp(argv[1], "mo", 2) == 0) {
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struct fdt_header *newaddr;
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@ -107,7 +107,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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/*
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* Set the address and length of the fdt.
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*/
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fdt = (struct fdt_header *)simple_strtoul(argv[2], NULL, 16);
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working_fdt = (struct fdt_header *)simple_strtoul(argv[2], NULL, 16);
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if (!fdt_valid()) {
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return 1;
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}
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@ -119,13 +119,13 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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* current length.
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*/
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if (argc <= 4) {
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len = fdt_totalsize(fdt);
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len = fdt_totalsize(working_fdt);
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} else {
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len = simple_strtoul(argv[4], NULL, 16);
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if (len < fdt_totalsize(fdt)) {
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if (len < fdt_totalsize(working_fdt)) {
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printf ("New length 0x%X < existing length "
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"0x%X, aborting.\n",
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len, fdt_totalsize(fdt));
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len, fdt_totalsize(working_fdt));
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return 1;
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}
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}
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@ -133,13 +133,13 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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/*
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* Copy to the new location.
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*/
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err = fdt_open_into(fdt, newaddr, len);
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err = fdt_open_into(working_fdt, newaddr, len);
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if (err != 0) {
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printf ("libfdt fdt_open_into(): %s\n",
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fdt_strerror(err));
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return 1;
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}
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fdt = newaddr;
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working_fdt = newaddr;
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/********************************************************************
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* Make a new node
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@ -161,7 +161,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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pathp = argv[2];
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nodep = argv[3];
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nodeoffset = fdt_path_offset (fdt, pathp);
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nodeoffset = fdt_path_offset (working_fdt, pathp);
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if (nodeoffset < 0) {
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/*
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* Not found or something else bad happened.
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@ -170,7 +170,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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fdt_strerror(nodeoffset));
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return 1;
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}
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err = fdt_add_subnode(fdt, nodeoffset, nodep);
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err = fdt_add_subnode(working_fdt, nodeoffset, nodep);
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if (err < 0) {
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printf ("libfdt fdt_add_subnode(): %s\n",
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fdt_strerror(err));
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@ -178,7 +178,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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}
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/********************************************************************
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* Set the value of a property in the fdt.
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* Set the value of a property in the working_fdt.
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********************************************************************/
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} else if (argv[1][0] == 's') {
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char *pathp; /* path */
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@ -206,7 +206,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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return ret;
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}
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nodeoffset = fdt_path_offset (fdt, pathp);
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nodeoffset = fdt_path_offset (working_fdt, pathp);
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if (nodeoffset < 0) {
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/*
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* Not found or something else bad happened.
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@ -216,7 +216,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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return 1;
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}
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ret = fdt_setprop(fdt, nodeoffset, prop, data, len);
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ret = fdt_setprop(working_fdt, nodeoffset, prop, data, len);
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if (ret < 0) {
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printf ("libfdt fdt_setprop(): %s\n", fdt_strerror(ret));
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return 1;
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@ -267,7 +267,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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* Get the path. The root node is an oddball, the offset
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* is zero and has no name.
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*/
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nodeoffset = fdt_path_offset (fdt, argv[2]);
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nodeoffset = fdt_path_offset (working_fdt, argv[2]);
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if (nodeoffset < 0) {
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/*
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* Not found or something else bad happened.
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@ -281,14 +281,14 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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* otherwise delete the node.
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*/
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if (argc > 3) {
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err = fdt_delprop(fdt, nodeoffset, argv[3]);
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err = fdt_delprop(working_fdt, nodeoffset, argv[3]);
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if (err < 0) {
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printf("libfdt fdt_delprop(): %s\n",
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fdt_strerror(err));
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return err;
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}
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} else {
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err = fdt_del_node(fdt, nodeoffset);
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err = fdt_del_node(working_fdt, nodeoffset);
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if (err < 0) {
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printf("libfdt fdt_del_node(): %s\n",
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fdt_strerror(err));
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@ -300,24 +300,30 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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* Display header info
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********************************************************************/
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} else if (argv[1][0] == 'h') {
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u32 version = fdt_version(fdt);
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printf("magic:\t\t\t0x%x\n", fdt_magic(fdt));
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printf("totalsize:\t\t0x%x (%d)\n", fdt_totalsize(fdt), fdt_totalsize(fdt));
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printf("off_dt_struct:\t\t0x%x\n", fdt_off_dt_struct(fdt));
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printf("off_dt_strings:\t\t0x%x\n", fdt_off_dt_strings(fdt));
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printf("off_mem_rsvmap:\t\t0x%x\n", fdt_off_mem_rsvmap(fdt));
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u32 version = fdt_version(working_fdt);
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printf("magic:\t\t\t0x%x\n", fdt_magic(working_fdt));
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printf("totalsize:\t\t0x%x (%d)\n", fdt_totalsize(working_fdt),
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fdt_totalsize(working_fdt));
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printf("off_dt_struct:\t\t0x%x\n",
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fdt_off_dt_struct(working_fdt));
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printf("off_dt_strings:\t\t0x%x\n",
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fdt_off_dt_strings(working_fdt));
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printf("off_mem_rsvmap:\t\t0x%x\n",
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fdt_off_mem_rsvmap(working_fdt));
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printf("version:\t\t%d\n", version);
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printf("last_comp_version:\t%d\n", fdt_last_comp_version(fdt));
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printf("last_comp_version:\t%d\n",
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fdt_last_comp_version(working_fdt));
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if (version >= 2)
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printf("boot_cpuid_phys:\t0x%x\n",
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fdt_boot_cpuid_phys(fdt));
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fdt_boot_cpuid_phys(working_fdt));
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if (version >= 3)
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printf("size_dt_strings:\t0x%x\n",
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fdt_size_dt_strings(fdt));
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fdt_size_dt_strings(working_fdt));
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if (version >= 17)
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printf("size_dt_struct:\t\t0x%x\n",
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fdt_size_dt_struct(fdt));
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printf("number mem_rsv:\t\t0x%x\n", fdt_num_mem_rsv(fdt));
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fdt_size_dt_struct(working_fdt));
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printf("number mem_rsv:\t\t0x%x\n",
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fdt_num_mem_rsv(working_fdt));
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printf("\n");
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/********************************************************************
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@ -325,7 +331,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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********************************************************************/
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} else if (strncmp(argv[1], "boo", 3) == 0) {
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unsigned long tmp = simple_strtoul(argv[2], NULL, 16);
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fdt_set_boot_cpuid_phys(fdt, tmp);
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fdt_set_boot_cpuid_phys(working_fdt, tmp);
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/********************************************************************
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* memory command
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@ -340,7 +346,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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addr = simple_strtoul(argv[2], NULL, 16);
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size = simple_strtoul(argv[3], NULL, 16);
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#endif
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err = fdt_fixup_memory(fdt, addr, size);
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err = fdt_fixup_memory(working_fdt, addr, size);
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if (err < 0)
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return err;
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@ -350,13 +356,13 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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} else if (strncmp(argv[1], "rs", 2) == 0) {
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if (argv[2][0] == 'p') {
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uint64_t addr, size;
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int total = fdt_num_mem_rsv(fdt);
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int total = fdt_num_mem_rsv(working_fdt);
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int j, err;
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printf("index\t\t start\t\t size\n");
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printf("-------------------------------"
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"-----------------\n");
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for (j = 0; j < total; j++) {
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err = fdt_get_mem_rsv(fdt, j, &addr, &size);
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err = fdt_get_mem_rsv(working_fdt, j, &addr, &size);
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if (err < 0) {
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printf("libfdt fdt_get_mem_rsv(): %s\n",
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fdt_strerror(err));
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addr = simple_strtoul(argv[3], NULL, 16);
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size = simple_strtoul(argv[4], NULL, 16);
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#endif
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err = fdt_add_mem_rsv(fdt, addr, size);
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err = fdt_add_mem_rsv(working_fdt, addr, size);
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if (err < 0) {
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printf("libfdt fdt_add_mem_rsv(): %s\n",
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@ -387,7 +393,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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}
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} else if (argv[2][0] == 'd') {
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unsigned long idx = simple_strtoul(argv[3], NULL, 16);
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int err = fdt_del_mem_rsv(fdt, idx);
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int err = fdt_del_mem_rsv(working_fdt, idx);
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if (err < 0) {
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printf("libfdt fdt_del_mem_rsv(): %s\n",
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@ -403,11 +409,11 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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#ifdef CONFIG_OF_BOARD_SETUP
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/* Call the board-specific fixup routine */
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else if (strncmp(argv[1], "boa", 3) == 0)
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ft_board_setup(fdt, gd->bd);
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ft_board_setup(working_fdt, gd->bd);
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#endif
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/* Create a chosen node */
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else if (argv[1][0] == 'c')
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fdt_chosen(fdt, 0, 0, 1);
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fdt_chosen(working_fdt, 0, 0, 1);
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else {
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/* Unrecognized command */
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printf ("Usage:\n%s\n", cmdtp->usage);
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@ -423,12 +429,12 @@ static int fdt_valid(void)
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{
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int err;
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if (fdt == NULL) {
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if (working_fdt == NULL) {
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printf ("The address of the fdt is invalid (NULL).\n");
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return 0;
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}
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err = fdt_check_header(fdt);
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err = fdt_check_header(working_fdt);
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if (err == 0)
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return 1; /* valid */
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* Be more informative on bad version.
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*/
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if (err == -FDT_ERR_BADVERSION) {
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if (fdt_version(fdt) < FDT_FIRST_SUPPORTED_VERSION) {
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if (fdt_version(working_fdt) <
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FDT_FIRST_SUPPORTED_VERSION) {
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printf (" - too old, fdt $d < %d",
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fdt_version(fdt),
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fdt_version(working_fdt),
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FDT_FIRST_SUPPORTED_VERSION);
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fdt = NULL;
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working_fdt = NULL;
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}
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if (fdt_last_comp_version(fdt) > FDT_LAST_SUPPORTED_VERSION) {
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if (fdt_last_comp_version(working_fdt) >
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FDT_LAST_SUPPORTED_VERSION) {
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printf (" - too new, fdt $d > %d",
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fdt_version(fdt),
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fdt_version(working_fdt),
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FDT_LAST_SUPPORTED_VERSION);
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fdt = NULL;
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working_fdt = NULL;
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}
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return 0;
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}
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@ -644,7 +652,7 @@ static void print_data(const void *data, int len)
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/****************************************************************************/
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/*
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* Recursively print (a portion of) the fdt. The depth parameter
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* Recursively print (a portion of) the working_fdt. The depth parameter
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* determines how deeply nested the fdt is printed.
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*/
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static int fdt_print(const char *pathp, char *prop, int depth)
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int level = 0; /* keep track of nesting level */
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const struct fdt_property *fdt_prop;
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nodeoffset = fdt_path_offset (fdt, pathp);
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nodeoffset = fdt_path_offset (working_fdt, pathp);
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if (nodeoffset < 0) {
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/*
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* Not found or something else bad happened.
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@ -674,7 +682,7 @@ static int fdt_print(const char *pathp, char *prop, int depth)
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* Print only the given property and then return.
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*/
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if (prop) {
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nodep = fdt_getprop (fdt, nodeoffset, prop, &len);
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nodep = fdt_getprop (working_fdt, nodeoffset, prop, &len);
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if (len == 0) {
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/* no property value */
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printf("%s %s\n", pathp, prop);
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@ -696,10 +704,10 @@ static int fdt_print(const char *pathp, char *prop, int depth)
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* print the node and all subnodes.
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*/
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while(level >= 0) {
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tag = fdt_next_tag(fdt, nodeoffset, &nextoffset);
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tag = fdt_next_tag(working_fdt, nodeoffset, &nextoffset);
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switch(tag) {
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case FDT_BEGIN_NODE:
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pathp = fdt_get_name(fdt, nodeoffset, NULL);
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pathp = fdt_get_name(working_fdt, nodeoffset, NULL);
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if (level <= depth) {
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if (pathp == NULL)
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pathp = "/* NULL pointer error */";
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@ -723,9 +731,9 @@ static int fdt_print(const char *pathp, char *prop, int depth)
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}
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break;
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case FDT_PROP:
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fdt_prop = fdt_offset_ptr(fdt, nodeoffset,
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fdt_prop = fdt_offset_ptr(working_fdt, nodeoffset,
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sizeof(*fdt_prop));
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pathp = fdt_string(fdt,
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pathp = fdt_string(working_fdt,
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fdt32_to_cpu(fdt_prop->nameoff));
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len = fdt32_to_cpu(fdt_prop->len);
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nodep = fdt_prop->data;
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@ -38,7 +38,7 @@ DECLARE_GLOBAL_DATA_PTR;
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/*
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* fdt points to our working device tree.
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*/
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struct fdt_header *fdt;
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struct fdt_header *working_fdt;
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/**
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@ -31,7 +31,7 @@
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#include <stddef.h>
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#include <asm/byteorder.h>
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extern struct fdt_header *fdt; /* Pointer to the working fdt */
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extern struct fdt_header *working_fdt; /* Pointer to the working fdt */
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#define fdt32_to_cpu(x) __be32_to_cpu(x)
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#define cpu_to_fdt32(x) __cpu_to_be32(x)
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@ -750,7 +750,7 @@ static int boot_relocate_fdt (struct lmb *lmb, ulong bootmap_base,
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*of_flat_tree = (char *)of_start;
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} else {
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*of_flat_tree = fdt_blob;
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lmb_reserve(lmb, (ulong)fdt, of_len);
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lmb_reserve(lmb, (ulong)working_fdt, of_len);
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}
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return 0;
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