mirror of
https://github.com/Fishwaldo/u-boot.git
synced 2025-03-17 12:41:32 +00:00
Moved fdt command support code to fdt_support.c
...in preparation for improving the bootm command's handling of fdt blobs. Also cleaned up some coding sloppiness.
This commit is contained in:
Gerald Van Baren
parent
6679f92995
commit
64dbbd40c5
7 changed files with 412 additions and 275 deletions
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@ -664,19 +664,28 @@ U_BOOT_CMD(ecc, 4, 0, do_ecc,
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#if (defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)) \
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&& defined(CONFIG_OF_BOARD_SETUP)
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/*
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* Prototypes of functions that we use.
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*/
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void ft_cpu_setup(void *blob, bd_t *bd);
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#ifdef CONFIG_PCI
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void ft_pci_setup(void *blob, bd_t *bd);
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#endif
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void
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ft_board_setup(void *blob, bd_t *bd)
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{
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#if defined(CONFIG_OF_LIBFDT)
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int nodeoffset;
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int err;
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int tmp[2];
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nodeoffset = fdt_path_offset (fdt, "/memory");
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if (nodeoffset >= 0) {
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tmp[0] = cpu_to_be32(bd->bi_memstart);
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tmp[1] = cpu_to_be32(bd->bi_memsize);
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err = fdt_setprop(fdt, nodeoffset, "reg", tmp, sizeof(tmp));
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fdt_setprop(fdt, nodeoffset, "reg", tmp, sizeof(tmp));
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}
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#else
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u32 *p;
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@ -694,4 +703,5 @@ ft_board_setup(void *blob, bd_t *bd)
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#endif
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ft_cpu_setup(blob, bd);
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}
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#endif
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#endif /* CONFIG_OF_x */
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@ -45,7 +45,7 @@ COBJS = main.o ACEX1K.o altera.o bedbug.o circbuf.o cmd_autoscript.o \
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env_nand.o env_dataflash.o env_flash.o env_eeprom.o \
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env_nvram.o env_nowhere.o \
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exports.o \
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flash.o fpga.o ft_build.o \
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fdt_support.o flash.o fpga.o ft_build.o \
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hush.o kgdb.o lcd.o lists.o lynxkdi.o \
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memsize.o miiphybb.o miiphyutil.o \
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s_record.o serial.o soft_i2c.o soft_spi.o spartan2.o spartan3.o \
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@ -950,7 +950,7 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
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printf (" Loading Device Tree to %08lx, end %08lx ... ",
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of_start, of_start + of_len - 1);
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err = fdt_open_into(of_start, of_data, of_len);
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err = fdt_open_into((void *)of_start, (void *)of_data, of_len);
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if (err != 0) {
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printf ("libfdt: %s\n", fdt_strerror(err));
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}
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301
common/cmd_fdt.c
301
common/cmd_fdt.c
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@ -30,9 +30,11 @@
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#include <linux/types.h>
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#ifdef CONFIG_OF_LIBFDT
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#include <asm/global_data.h>
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#include <fdt.h>
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#include <libfdt.h>
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#include <fdt_support.h>
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#define MAX_LEVEL 32 /* how deeply nested we will go */
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#define SCRATCHPAD 1024 /* bytes of scratchpad memory */
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@ -53,9 +55,6 @@ static char data[SCRATCHPAD];
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*/
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static int fdt_valid(void);
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static void print_data(const void *data, int len);
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static int fdt_chosen(void *fdt, ulong initrd_start, ulong initrd_end);
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static int fdt_env(void *fdt);
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static int fdt_bd_t(void *fdt);
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/*
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@ -437,7 +436,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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* Create a chosen node
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********************************************************************/
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} else if (op == 'c') {
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fdt_chosen(fdt, 0, 0);
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fdt_chosen(fdt, 0, 0, 1);
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/********************************************************************
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* Create a u-boot-env node
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@ -466,25 +465,36 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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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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printf ("The address of the fdt is invalid.\n");
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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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if (!fdt || (fdt_magic(fdt) != FDT_MAGIC)) {
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fdt = NULL;
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printf ("Unrecognized fdt: bad magic\n");
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return 0;
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}
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if (fdt_version(fdt) < FDT_FIRST_SUPPORTED_VERSION) {
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printf ("Unsupported fdt version: $d < %d\n",
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FDT_FIRST_SUPPORTED_VERSION, fdt_version(fdt));
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fdt = NULL;
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return 0;
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}
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if (fdt_last_comp_version(fdt) > FDT_LAST_SUPPORTED_VERSION) {
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printf ("Unsupported fdt version: $d > %d\n",
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fdt_version(fdt), FDT_LAST_SUPPORTED_VERSION);
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fdt = NULL;
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err = fdt_check_header(fdt);
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if (err == 0)
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return 1; /* valid */
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if (err < 0) {
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printf("libfdt: %s", fdt_strerror(err));
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/*
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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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printf (" - too old, fdt $d < %d",
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fdt_version(fdt), FDT_FIRST_SUPPORTED_VERSION);
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fdt = NULL;
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}
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if (fdt_last_comp_version(fdt) > FDT_LAST_SUPPORTED_VERSION) {
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printf (" - too new, fdt $d > %d",
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fdt_version(fdt), FDT_LAST_SUPPORTED_VERSION);
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fdt = NULL;
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}
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return 0;
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}
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printf("\n");
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return 0;
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}
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return 1;
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@ -593,255 +603,6 @@ static void print_data(const void *data, int len)
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/********************************************************************/
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static int fdt_chosen(void *fdt, ulong initrd_start, ulong initrd_end)
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{
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bd_t *bd = gd->bd;
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int nodeoffset;
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int err;
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u32 tmp; /* used to set 32 bit integer properties */
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char *str; /* used to set string properties */
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ulong clock;
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if (initrd_start && initrd_end) {
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err = fdt_add_reservemap_entry(fdt,
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initrd_start, initrd_end - initrd_start + 1);
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if (err < 0) {
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printf("libfdt: %s\n", fdt_strerror(err));
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return err;
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}
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}
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/*
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* See if we already have a "chosen" node, create it if not.
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*/
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nodeoffset = fdt_path_offset (fdt, "/chosen");
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if (nodeoffset < 0) {
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/*
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* Create a new node "/chosen" (offset 0 is root level)
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*/
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nodeoffset = fdt_add_subnode(fdt, 0, "chosen");
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if (nodeoffset < 0) {
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printf("libfdt: %s\n", fdt_strerror(nodeoffset));
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return nodeoffset;
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}
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}
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str = getenv("bootargs");
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if (str != NULL) {
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err = fdt_setprop(fdt, nodeoffset, "bootargs", str, strlen(str)+1);
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if (err < 0)
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printf("libfdt: %s\n", fdt_strerror(err));
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}
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if (initrd_start && initrd_end) {
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tmp = __cpu_to_be32(initrd_start);
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err = fdt_setprop(fdt, nodeoffset, "linux,initrd-start", &tmp, sizeof(tmp));
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if (err < 0)
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printf("libfdt: %s\n", fdt_strerror(err));
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tmp = __cpu_to_be32(initrd_end);
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err = fdt_setprop(fdt, nodeoffset, "linux,initrd-end", &tmp, sizeof(tmp));
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if (err < 0)
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printf("libfdt: %s\n", fdt_strerror(err));
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}
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#ifdef OF_STDOUT_PATH
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err = fdt_setprop(fdt, nodeoffset, "linux,stdout-path", OF_STDOUT_PATH, strlen(OF_STDOUT_PATH)+1);
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if (err < 0)
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printf("libfdt: %s\n", fdt_strerror(err));
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#endif
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nodeoffset = fdt_path_offset (fdt, "/cpus");
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if (nodeoffset >= 0) {
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clock = cpu_to_be32(bd->bi_intfreq);
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err = fdt_setprop(fdt, nodeoffset, "clock-frequency", &clock, 4);
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if (err < 0)
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printf("libfdt: %s\n", fdt_strerror(err));
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}
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#ifdef OF_TBCLK
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nodeoffset = fdt_path_offset (fdt, "/cpus/" OF_CPU "/timebase-frequency");
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if (nodeoffset >= 0) {
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clock = cpu_to_be32(OF_TBCLK);
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err = fdt_setprop(fdt, nodeoffset, "clock-frequency", &clock, 4);
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if (err < 0)
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printf("libfdt: %s\n", fdt_strerror(err));
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}
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#endif
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}
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/********************************************************************/
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#ifdef CONFIG_OF_HAS_BD_T
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/* Function that returns a character from the environment */
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extern uchar(*env_get_char) (int);
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#define BDM(x) { .name = #x, .offset = offsetof(bd_t, bi_ ##x ) }
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static const struct {
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const char *name;
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int offset;
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} bd_map[] = {
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BDM(memstart),
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BDM(memsize),
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BDM(flashstart),
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BDM(flashsize),
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BDM(flashoffset),
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BDM(sramstart),
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BDM(sramsize),
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#if defined(CONFIG_5xx) || defined(CONFIG_8xx) || defined(CONFIG_8260) \
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|| defined(CONFIG_E500)
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BDM(immr_base),
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#endif
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#if defined(CONFIG_MPC5xxx)
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BDM(mbar_base),
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#endif
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#if defined(CONFIG_MPC83XX)
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BDM(immrbar),
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#endif
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#if defined(CONFIG_MPC8220)
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BDM(mbar_base),
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BDM(inpfreq),
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BDM(pcifreq),
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BDM(pevfreq),
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BDM(flbfreq),
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BDM(vcofreq),
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#endif
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BDM(bootflags),
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BDM(ip_addr),
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BDM(intfreq),
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BDM(busfreq),
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#ifdef CONFIG_CPM2
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BDM(cpmfreq),
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BDM(brgfreq),
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BDM(sccfreq),
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BDM(vco),
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#endif
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#if defined(CONFIG_MPC5xxx)
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BDM(ipbfreq),
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BDM(pcifreq),
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#endif
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BDM(baudrate),
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};
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static int fdt_env(void *fdt)
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{
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int nodeoffset;
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int err;
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int k, nxt;
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int i;
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static char tmpenv[256];
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/*
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* See if we already have a "u-boot-env" node, delete it if so.
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* Then create a new empty node.
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*/
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nodeoffset = fdt_path_offset (fdt, "/u-boot-env");
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if (nodeoffset >= 0) {
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err = fdt_del_node(fdt, nodeoffset);
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if (err < 0) {
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printf("libfdt: %s\n", fdt_strerror(err));
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return err;
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}
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}
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/*
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* Create a new node "/u-boot-env" (offset 0 is root level)
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*/
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nodeoffset = fdt_add_subnode(fdt, 0, "u-boot-env");
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if (nodeoffset < 0) {
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printf("libfdt: %s\n", fdt_strerror(nodeoffset));
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return nodeoffset;
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}
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for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
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char *s, *lval, *rval;
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/*
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* Find the end of the name=definition
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*/
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for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
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;
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s = tmpenv;
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for (k = i; k < nxt && s < &tmpenv[sizeof(tmpenv) - 1]; ++k)
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*s++ = env_get_char(k);
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*s++ = '\0';
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lval = tmpenv;
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/*
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* Find the first '=': it separates the name from the value
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*/
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s = strchr(tmpenv, '=');
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if (s != NULL) {
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*s++ = '\0';
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rval = s;
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} else
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continue;
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err = fdt_setprop(fdt, nodeoffset, lval, rval, strlen(rval)+1);
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if (err < 0) {
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printf("\"%s\" - libfdt: %s\n", lval, fdt_strerror(err));
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return err;
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}
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}
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return 0;
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}
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#endif /* CONFIG_OF_HAS_UBOOT_ENV */
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/********************************************************************/
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#ifdef CONFIG_OF_HAS_BD_T
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static int fdt_bd_t(void *fdt)
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{
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bd_t *bd = gd->bd;
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int nodeoffset;
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int err;
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u32 tmp; /* used to set 32 bit integer properties */
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int i;
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/*
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* See if we already have a "bd_t" node, delete it if so.
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* Then create a new empty node.
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*/
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nodeoffset = fdt_path_offset (fdt, "/bd_t");
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if (nodeoffset >= 0) {
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err = fdt_del_node(fdt, nodeoffset);
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if (err < 0) {
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printf("libfdt: %s\n", fdt_strerror(err));
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return err;
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}
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}
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/*
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* Create a new node "/bd_t" (offset 0 is root level)
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*/
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nodeoffset = fdt_add_subnode(fdt, 0, "bd_t");
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if (nodeoffset < 0) {
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printf("libfdt: %s\n", fdt_strerror(nodeoffset));
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return nodeoffset;
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}
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/*
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* Use the string/pointer structure to create the entries...
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*/
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for (i = 0; i < sizeof(bd_map)/sizeof(bd_map[0]); i++) {
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tmp = cpu_to_be32(getenv("bootargs"));
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err = fdt_setprop(fdt, nodeoffset, bd_map[i].name, &tmp, sizeof(tmp));
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if (err < 0)
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printf("libfdt: %s\n", fdt_strerror(err));
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}
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/*
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* Add a couple of oddball entries...
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*/
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err = fdt_setprop(fdt, nodeoffset, "enetaddr", &bd->bi_enetaddr, 6);
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if (err < 0)
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printf("libfdt: %s\n", fdt_strerror(err));
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err = fdt_setprop(fdt, nodeoffset, "ethspeed", &bd->bi_ethspeed, 4);
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if (err < 0)
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printf("libfdt: %s\n", fdt_strerror(err));
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#ifdef CONFIG_OF_BOARD_SETUP
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ft_board_setup(fdt, bd);
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#endif
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return 0;
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}
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#endif /* CONFIG_OF_HAS_BD_T */
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/********************************************************************/
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U_BOOT_CMD(
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fdt, 5, 0, do_fdt,
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"fdt - flattened device tree utility commands\n",
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@ -871,4 +632,4 @@ U_BOOT_CMD(
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" fdt set /cpus \"#address-cells\" \"[00 00 00 01]\"\n"
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);
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#endif /* CONFIG_OF_FLAT_TREE */
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#endif /* CONFIG_OF_LIBFDT */
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323
common/fdt_support.c
Normal file
323
common/fdt_support.c
Normal file
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@ -0,0 +1,323 @@
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/*
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* (C) Copyright 2007
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* Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
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* GNU General Public License for more details.
|
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*
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* You should have received a copy of the GNU General Public License
|
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* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <linux/ctype.h>
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#include <linux/types.h>
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#ifdef CONFIG_OF_LIBFDT
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#include <asm/global_data.h>
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#include <fdt.h>
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#include <libfdt.h>
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#include <fdt_support.h>
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/*
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* Global data (for the gd->bd)
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*/
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DECLARE_GLOBAL_DATA_PTR;
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/********************************************************************/
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||||
|
||||
int fdt_chosen(void *fdt, ulong initrd_start, ulong initrd_end, int force)
|
||||
{
|
||||
bd_t *bd = gd->bd;
|
||||
int nodeoffset;
|
||||
int err;
|
||||
u32 tmp; /* used to set 32 bit integer properties */
|
||||
char *str; /* used to set string properties */
|
||||
ulong clock;
|
||||
|
||||
err = fdt_check_header(fdt);
|
||||
if (err < 0) {
|
||||
printf("libfdt: %s\n", fdt_strerror(err));
|
||||
return err;
|
||||
}
|
||||
|
||||
#warning "Don't double-add the reserved map"
|
||||
if (initrd_start && initrd_end) {
|
||||
err = fdt_add_reservemap_entry(fdt,
|
||||
initrd_start, initrd_end - initrd_start + 1);
|
||||
if (err < 0) {
|
||||
printf("libfdt: %s\n", fdt_strerror(err));
|
||||
return err;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Find the "chosen" node.
|
||||
*/
|
||||
nodeoffset = fdt_path_offset (fdt, "/chosen");
|
||||
|
||||
/*
|
||||
* If we have a "chosen" node already the "force the writing"
|
||||
* is not set, our job is done.
|
||||
*/
|
||||
if ((nodeoffset >= 0) && !force)
|
||||
return 0;
|
||||
|
||||
/*
|
||||
* No "chosen" node in the blob: create it.
|
||||
*/
|
||||
if (nodeoffset < 0) {
|
||||
/*
|
||||
* Create a new node "/chosen" (offset 0 is root level)
|
||||
*/
|
||||
nodeoffset = fdt_add_subnode(fdt, 0, "chosen");
|
||||
if (nodeoffset < 0) {
|
||||
printf("libfdt: %s\n", fdt_strerror(nodeoffset));
|
||||
return nodeoffset;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Update pre-existing properties, create them if non-existant.
|
||||
*/
|
||||
str = getenv("bootargs");
|
||||
if (str != NULL) {
|
||||
err = fdt_setprop(fdt, nodeoffset, "bootargs", str, strlen(str)+1);
|
||||
if (err < 0)
|
||||
printf("libfdt: %s\n", fdt_strerror(err));
|
||||
}
|
||||
if (initrd_start && initrd_end) {
|
||||
tmp = __cpu_to_be32(initrd_start);
|
||||
err = fdt_setprop(fdt, nodeoffset, "linux,initrd-start", &tmp, sizeof(tmp));
|
||||
if (err < 0)
|
||||
printf("libfdt: %s\n", fdt_strerror(err));
|
||||
tmp = __cpu_to_be32(initrd_end);
|
||||
err = fdt_setprop(fdt, nodeoffset, "linux,initrd-end", &tmp, sizeof(tmp));
|
||||
if (err < 0)
|
||||
printf("libfdt: %s\n", fdt_strerror(err));
|
||||
}
|
||||
#ifdef OF_STDOUT_PATH
|
||||
err = fdt_setprop(fdt, nodeoffset, "linux,stdout-path", OF_STDOUT_PATH, strlen(OF_STDOUT_PATH)+1);
|
||||
if (err < 0)
|
||||
printf("libfdt: %s\n", fdt_strerror(err));
|
||||
#endif
|
||||
|
||||
nodeoffset = fdt_path_offset (fdt, "/cpus");
|
||||
if (nodeoffset >= 0) {
|
||||
clock = cpu_to_be32(bd->bi_intfreq);
|
||||
err = fdt_setprop(fdt, nodeoffset, "clock-frequency", &clock, 4);
|
||||
if (err < 0)
|
||||
printf("libfdt: %s\n", fdt_strerror(err));
|
||||
}
|
||||
#ifdef OF_TBCLK
|
||||
nodeoffset = fdt_path_offset (fdt, "/cpus/" OF_CPU "/timebase-frequency");
|
||||
if (nodeoffset >= 0) {
|
||||
clock = cpu_to_be32(OF_TBCLK);
|
||||
err = fdt_setprop(fdt, nodeoffset, "clock-frequency", &clock, 4);
|
||||
if (err < 0)
|
||||
printf("libfdt: %s\n", fdt_strerror(err));
|
||||
}
|
||||
#endif
|
||||
return err;
|
||||
}
|
||||
|
||||
/********************************************************************/
|
||||
|
||||
#ifdef CONFIG_OF_HAS_UBOOT_ENV
|
||||
|
||||
/* Function that returns a character from the environment */
|
||||
extern uchar(*env_get_char) (int);
|
||||
|
||||
|
||||
int fdt_env(void *fdt)
|
||||
{
|
||||
int nodeoffset;
|
||||
int err;
|
||||
int k, nxt;
|
||||
int i;
|
||||
static char tmpenv[256];
|
||||
|
||||
err = fdt_check_header(fdt);
|
||||
if (err < 0) {
|
||||
printf("libfdt: %s\n", fdt_strerror(err));
|
||||
return err;
|
||||
}
|
||||
|
||||
/*
|
||||
* See if we already have a "u-boot-env" node, delete it if so.
|
||||
* Then create a new empty node.
|
||||
*/
|
||||
nodeoffset = fdt_path_offset (fdt, "/u-boot-env");
|
||||
if (nodeoffset >= 0) {
|
||||
err = fdt_del_node(fdt, nodeoffset);
|
||||
if (err < 0) {
|
||||
printf("libfdt: %s\n", fdt_strerror(err));
|
||||
return err;
|
||||
}
|
||||
}
|
||||
/*
|
||||
* Create a new node "/u-boot-env" (offset 0 is root level)
|
||||
*/
|
||||
nodeoffset = fdt_add_subnode(fdt, 0, "u-boot-env");
|
||||
if (nodeoffset < 0) {
|
||||
printf("libfdt: %s\n", fdt_strerror(nodeoffset));
|
||||
return nodeoffset;
|
||||
}
|
||||
|
||||
for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
|
||||
char *s, *lval, *rval;
|
||||
|
||||
/*
|
||||
* Find the end of the name=definition
|
||||
*/
|
||||
for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
|
||||
;
|
||||
s = tmpenv;
|
||||
for (k = i; k < nxt && s < &tmpenv[sizeof(tmpenv) - 1]; ++k)
|
||||
*s++ = env_get_char(k);
|
||||
*s++ = '\0';
|
||||
lval = tmpenv;
|
||||
/*
|
||||
* Find the first '=': it separates the name from the value
|
||||
*/
|
||||
s = strchr(tmpenv, '=');
|
||||
if (s != NULL) {
|
||||
*s++ = '\0';
|
||||
rval = s;
|
||||
} else
|
||||
continue;
|
||||
err = fdt_setprop(fdt, nodeoffset, lval, rval, strlen(rval)+1);
|
||||
if (err < 0) {
|
||||
printf("libfdt: %s\n", lval, fdt_strerror(err));
|
||||
return err;
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
#endif /* CONFIG_OF_HAS_UBOOT_ENV */
|
||||
|
||||
/********************************************************************/
|
||||
|
||||
#ifdef CONFIG_OF_HAS_BD_T
|
||||
|
||||
#define BDM(x) { .name = #x, .offset = offsetof(bd_t, bi_ ##x ) }
|
||||
|
||||
static const struct {
|
||||
const char *name;
|
||||
int offset;
|
||||
} bd_map[] = {
|
||||
BDM(memstart),
|
||||
BDM(memsize),
|
||||
BDM(flashstart),
|
||||
BDM(flashsize),
|
||||
BDM(flashoffset),
|
||||
BDM(sramstart),
|
||||
BDM(sramsize),
|
||||
#if defined(CONFIG_5xx) || defined(CONFIG_8xx) || defined(CONFIG_8260) \
|
||||
|| defined(CONFIG_E500)
|
||||
BDM(immr_base),
|
||||
#endif
|
||||
#if defined(CONFIG_MPC5xxx)
|
||||
BDM(mbar_base),
|
||||
#endif
|
||||
#if defined(CONFIG_MPC83XX)
|
||||
BDM(immrbar),
|
||||
#endif
|
||||
#if defined(CONFIG_MPC8220)
|
||||
BDM(mbar_base),
|
||||
BDM(inpfreq),
|
||||
BDM(pcifreq),
|
||||
BDM(pevfreq),
|
||||
BDM(flbfreq),
|
||||
BDM(vcofreq),
|
||||
#endif
|
||||
BDM(bootflags),
|
||||
BDM(ip_addr),
|
||||
BDM(intfreq),
|
||||
BDM(busfreq),
|
||||
#ifdef CONFIG_CPM2
|
||||
BDM(cpmfreq),
|
||||
BDM(brgfreq),
|
||||
BDM(sccfreq),
|
||||
BDM(vco),
|
||||
#endif
|
||||
#if defined(CONFIG_MPC5xxx)
|
||||
BDM(ipbfreq),
|
||||
BDM(pcifreq),
|
||||
#endif
|
||||
BDM(baudrate),
|
||||
};
|
||||
|
||||
|
||||
int fdt_bd_t(void *fdt)
|
||||
{
|
||||
bd_t *bd = gd->bd;
|
||||
int nodeoffset;
|
||||
int err;
|
||||
u32 tmp; /* used to set 32 bit integer properties */
|
||||
int i;
|
||||
|
||||
err = fdt_check_header(fdt);
|
||||
if (err < 0) {
|
||||
printf("libfdt: %s\n", fdt_strerror(err));
|
||||
return err;
|
||||
}
|
||||
|
||||
/*
|
||||
* See if we already have a "bd_t" node, delete it if so.
|
||||
* Then create a new empty node.
|
||||
*/
|
||||
nodeoffset = fdt_path_offset (fdt, "/bd_t");
|
||||
if (nodeoffset >= 0) {
|
||||
err = fdt_del_node(fdt, nodeoffset);
|
||||
if (err < 0) {
|
||||
printf("libfdt: %s\n", fdt_strerror(err));
|
||||
return err;
|
||||
}
|
||||
}
|
||||
/*
|
||||
* Create a new node "/bd_t" (offset 0 is root level)
|
||||
*/
|
||||
nodeoffset = fdt_add_subnode(fdt, 0, "bd_t");
|
||||
if (nodeoffset < 0) {
|
||||
printf("libfdt: %s\n", fdt_strerror(nodeoffset));
|
||||
return nodeoffset;
|
||||
}
|
||||
/*
|
||||
* Use the string/pointer structure to create the entries...
|
||||
*/
|
||||
for (i = 0; i < sizeof(bd_map)/sizeof(bd_map[0]); i++) {
|
||||
tmp = cpu_to_be32(getenv("bootargs"));
|
||||
err = fdt_setprop(fdt, nodeoffset, bd_map[i].name, &tmp, sizeof(tmp));
|
||||
if (err < 0)
|
||||
printf("libfdt: %s\n", fdt_strerror(err));
|
||||
}
|
||||
/*
|
||||
* Add a couple of oddball entries...
|
||||
*/
|
||||
err = fdt_setprop(fdt, nodeoffset, "enetaddr", &bd->bi_enetaddr, 6);
|
||||
if (err < 0)
|
||||
printf("libfdt: %s\n", fdt_strerror(err));
|
||||
err = fdt_setprop(fdt, nodeoffset, "ethspeed", &bd->bi_ethspeed, 4);
|
||||
if (err < 0)
|
||||
printf("libfdt: %s\n", fdt_strerror(err));
|
||||
|
||||
return 0;
|
||||
}
|
||||
#endif /* CONFIG_OF_HAS_BD_T */
|
||||
|
||||
#endif /* CONFIG_OF_LIBFDT */
|
||||
|
|
@ -364,6 +364,7 @@ ft_cpu_setup(void *blob, bd_t *bd)
|
|||
/*
|
||||
* If unconditional create or the property already exists...
|
||||
*/
|
||||
err = 0;
|
||||
if ((fixup_props[j].createflags & FT_CREATE) ||
|
||||
(fdt_get_property(fdt, nodeoffset, fixup_props[j].prop, 0))) {
|
||||
if (fixup_props[j].createflags & FT_BUSFREQ) {
|
||||
|
|
|
|||
42
include/fdt_support.h
Normal file
42
include/fdt_support.h
Normal file
|
|
@ -0,0 +1,42 @@
|
|||
/*
|
||||
* (C) Copyright 2007
|
||||
* Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* 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
|
||||
*/
|
||||
|
||||
#ifndef __FDT_SUPPORT_H
|
||||
#define __FDT_SUPPORT_H
|
||||
|
||||
#ifdef CONFIG_OF_LIBFDT
|
||||
|
||||
#include <fdt.h>
|
||||
|
||||
int fdt_chosen(void *fdt, ulong initrd_start, ulong initrd_end, int force);
|
||||
|
||||
#ifdef CONFIG_OF_HAS_UBOOT_ENV
|
||||
int fdt_env(void *fdt);
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_OF_HAS_BD_T
|
||||
int fdt_bd_t(void *fdt);
|
||||
#endif
|
||||
|
||||
#endif /* ifdef CONFIG_OF_LIBFDT */
|
||||
#endif /* ifndef __FDT_SUPPORT_H */
|
||||
Loading…
Add table
Reference in a new issue