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-rw-r--r--common/Makefile2
-rw-r--r--common/cmd_bootm.c100
-rw-r--r--common/cmd_fdt.c874
-rw-r--r--common/cmd_i2c.c42
4 files changed, 970 insertions, 48 deletions
diff --git a/common/Makefile b/common/Makefile
index 6f81c4abcf..74a6af204e 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -32,7 +32,7 @@ COBJS = main.o ACEX1K.o altera.o bedbug.o circbuf.o cmd_autoscript.o \
cmd_cache.o cmd_console.o \
cmd_date.o cmd_dcr.o cmd_diag.o cmd_display.o cmd_doc.o cmd_dtt.o \
cmd_eeprom.o cmd_elf.o cmd_ext2.o \
- cmd_fat.o cmd_fdc.o cmd_fdos.o cmd_flash.o cmd_fpga.o \
+ cmd_fat.o cmd_fdc.o cmd_fdt.o cmd_fdos.o cmd_flash.o cmd_fpga.o \
cmd_i2c.o cmd_ide.o cmd_immap.o cmd_itest.o cmd_jffs2.o \
cmd_load.o cmd_log.o \
cmd_mem.o cmd_mii.o cmd_misc.o cmd_mmc.o \
diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c
index 7aae8a6d1b..2721216bf3 100644
--- a/common/cmd_bootm.c
+++ b/common/cmd_bootm.c
@@ -34,7 +34,11 @@
#include <environment.h>
#include <asm/byteorder.h>
-#ifdef CONFIG_OF_FLAT_TREE
+#if defined(CONFIG_OF_LIBFDT)
+#include <fdt.h>
+#include <libfdt.h>
+#endif
+#if defined(CONFIG_OF_FLAT_TREE)
#include <ft_build.h>
#endif
@@ -242,26 +246,26 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
len_ptr = (ulong *)data;
-#if defined(__PPC__)
- if (hdr->ih_arch != IH_CPU_PPC)
-#elif defined(__ARM__)
+#if defined(__ARM__)
if (hdr->ih_arch != IH_CPU_ARM)
+#elif defined(__avr32__)
+ if (hdr->ih_arch != IH_CPU_AVR32)
+#elif defined(__bfin__)
+ if (hdr->ih_arch != IH_CPU_BLACKFIN)
#elif defined(__I386__)
if (hdr->ih_arch != IH_CPU_I386)
-#elif defined(__mips__)
- if (hdr->ih_arch != IH_CPU_MIPS)
-#elif defined(__nios__)
- if (hdr->ih_arch != IH_CPU_NIOS)
#elif defined(__M68K__)
if (hdr->ih_arch != IH_CPU_M68K)
#elif defined(__microblaze__)
if (hdr->ih_arch != IH_CPU_MICROBLAZE)
+#elif defined(__mips__)
+ if (hdr->ih_arch != IH_CPU_MIPS)
+#elif defined(__nios__)
+ if (hdr->ih_arch != IH_CPU_NIOS)
#elif defined(__nios2__)
if (hdr->ih_arch != IH_CPU_NIOS2)
-#elif defined(__blackfin__)
- if (hdr->ih_arch != IH_CPU_BLACKFIN)
-#elif defined(__avr32__)
- if (hdr->ih_arch != IH_CPU_AVR32)
+#elif defined(__PPC__)
+ if (hdr->ih_arch != IH_CPU_PPC)
#else
# error Unknown CPU type
#endif
@@ -467,7 +471,7 @@ U_BOOT_CMD(
"[addr [arg ...]]\n - boot application image stored in memory\n"
"\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
"\t'arg' can be the address of an initrd image\n"
-#ifdef CONFIG_OF_FLAT_TREE
+#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
"\tWhen booting a Linux kernel which requires a flat device-tree\n"
"\ta third argument is required which is the address of the of the\n"
"\tdevice-tree blob. To boot that kernel without an initrd image,\n"
@@ -529,7 +533,7 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
bd_t *kbd;
void (*kernel)(bd_t *, ulong, ulong, ulong, ulong);
image_header_t *hdr = &header;
-#ifdef CONFIG_OF_FLAT_TREE
+#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
char *of_flat_tree = NULL;
ulong of_data = 0;
#endif
@@ -622,7 +626,7 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
* Check if there is an initrd image
*/
-#ifdef CONFIG_OF_FLAT_TREE
+#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
/* Look for a '-' which indicates to ignore the ramdisk argument */
if (argc >= 3 && strcmp(argv[2], "-") == 0) {
debug ("Skipping initrd\n");
@@ -739,12 +743,15 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
len = data = 0;
}
-#ifdef CONFIG_OF_FLAT_TREE
+#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
if(argc > 3) {
of_flat_tree = (char *) simple_strtoul(argv[3], NULL, 16);
hdr = (image_header_t *)of_flat_tree;
-
- if (*(ulong *)of_flat_tree == OF_DT_HEADER) {
+#if defined(CONFIG_OF_LIBFDT)
+ if (be32_to_cpu(fdt_magic(of_flat_tree)) == FDT_MAGIC) {
+#else
+ if (*(ulong *)of_flat_tree == OF_DT_HEADER) {
+#endif
#ifndef CFG_NO_FLASH
if (addr2info((ulong)of_flat_tree) != NULL)
of_data = (ulong)of_flat_tree;
@@ -787,7 +794,11 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
printf("ERROR: uImage is not uncompressed\n");
return;
}
+#if defined(CONFIG_OF_LIBFDT)
+ if (be32_to_cpu(fdt_magic(of_flat_tree + sizeof(image_header_t))) != FDT_MAGIC) {
+#else
if (*((ulong *)(of_flat_tree + sizeof(image_header_t))) != OF_DT_HEADER) {
+#endif
printf ("ERROR: uImage data is not a flat device tree\n");
return;
}
@@ -824,12 +835,20 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
of_data += 4 - tail;
}
+#if defined(CONFIG_OF_LIBFDT)
+ if (be32_to_cpu(fdt_magic(of_data)) != FDT_MAGIC) {
+#else
if (((struct boot_param_header *)of_data)->magic != OF_DT_HEADER) {
+#endif
printf ("ERROR: image is not a flat device tree\n");
return;
}
+#if defined(CONFIG_OF_LIBFDT)
+ if (be32_to_cpu(fdt_totalsize(of_data)) != ntohl(len_ptr[2])) {
+#else
if (((struct boot_param_header *)of_data)->totalsize != ntohl(len_ptr[2])) {
+#endif
printf ("ERROR: flat device tree size does not agree with image\n");
return;
}
@@ -913,7 +932,31 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
unlock_ram_in_cache();
#endif
-#ifdef CONFIG_OF_FLAT_TREE
+#if defined(CONFIG_OF_LIBFDT)
+ /* move of_flat_tree if needed */
+ if (of_data) {
+ int err;
+ ulong of_start, of_len;
+ of_len = be32_to_cpu(fdt_totalsize(of_data));
+ /* provide extra 8k pad */
+ if (initrd_start)
+ of_start = initrd_start - of_len - 8192;
+ else
+ of_start = (ulong)kbd - of_len - 8192;
+ of_start &= ~(4096 - 1); /* align on page */
+ debug ("## device tree at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
+ of_data, of_data + of_len - 1, of_len, of_len);
+
+
+ printf (" Loading Device Tree to %08lx, end %08lx ... ",
+ of_start, of_start + of_len - 1);
+ err = fdt_open_into(of_start, of_data, of_len);
+ if (err != 0) {
+ printf ("libfdt: %s\n", fdt_strerror(err));
+ }
+ }
+#endif
+#if defined(CONFIG_OF_FLAT_TREE)
/* move of_flat_tree if needed */
if (of_data) {
ulong of_start, of_len;
@@ -942,13 +985,13 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
* r6: Start of command line string
* r7: End of command line string
*/
-#ifdef CONFIG_OF_FLAT_TREE
+#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
if (!of_flat_tree) /* no device tree; boot old style */
#endif
(*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end);
/* does not return */
-#ifdef CONFIG_OF_FLAT_TREE
+#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
/*
* Linux Kernel Parameters (passing device tree):
* r3: ptr to OF flat tree, followed by the board info data
@@ -957,8 +1000,10 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
* r6: NULL
* r7: NULL
*/
+#if defined(CONFIG_OF_FLAT_TREE)
ft_setup(of_flat_tree, kbd, initrd_start, initrd_end);
/* ft_dump_blob(of_flat_tree); */
+#endif
(*kernel) ((bd_t *)of_flat_tree, (ulong)kernel, 0, 0, 0);
#endif
@@ -1354,19 +1399,20 @@ print_type (image_header_t *hdr)
case IH_CPU_ALPHA: arch = "Alpha"; break;
case IH_CPU_ARM: arch = "ARM"; break;
case IH_CPU_AVR32: arch = "AVR32"; break;
+ case IH_CPU_BLACKFIN: arch = "Blackfin"; break;
case IH_CPU_I386: arch = "Intel x86"; break;
case IH_CPU_IA64: arch = "IA64"; break;
- case IH_CPU_MIPS: arch = "MIPS"; break;
+ case IH_CPU_M68K: arch = "M68K"; break;
+ case IH_CPU_MICROBLAZE: arch = "Microblaze"; break;
case IH_CPU_MIPS64: arch = "MIPS 64 Bit"; break;
+ case IH_CPU_MIPS: arch = "MIPS"; break;
+ case IH_CPU_NIOS2: arch = "Nios-II"; break;
+ case IH_CPU_NIOS: arch = "Nios"; break;
case IH_CPU_PPC: arch = "PowerPC"; break;
case IH_CPU_S390: arch = "IBM S390"; break;
case IH_CPU_SH: arch = "SuperH"; break;
- case IH_CPU_SPARC: arch = "SPARC"; break;
case IH_CPU_SPARC64: arch = "SPARC 64 Bit"; break;
- case IH_CPU_M68K: arch = "M68K"; break;
- case IH_CPU_MICROBLAZE: arch = "Microblaze"; break;
- case IH_CPU_NIOS: arch = "Nios"; break;
- case IH_CPU_NIOS2: arch = "Nios-II"; break;
+ case IH_CPU_SPARC: arch = "SPARC"; break;
default: arch = "Unknown Architecture"; break;
}
diff --git a/common/cmd_fdt.c b/common/cmd_fdt.c
new file mode 100644
index 0000000000..968bade626
--- /dev/null
+++ b/common/cmd_fdt.c
@@ -0,0 +1,874 @@
+/*
+ * (C) Copyright 2007
+ * Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com
+ * Based on code written by:
+ * Pantelis Antoniou <pantelis.antoniou@gmail.com> and
+ * Matthew McClintock <msm@freescale.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
+ */
+
+#include <common.h>
+#include <command.h>
+#include <linux/ctype.h>
+#include <linux/types.h>
+
+#ifdef CONFIG_OF_LIBFDT
+#include <asm/global_data.h>
+#include <fdt.h>
+#include <libfdt.h>
+
+#define MAX_LEVEL 32 /* how deeply nested we will go */
+#define SCRATCHPAD 1024 /* bytes of scratchpad memory */
+
+/*
+ * Global data (for the gd->bd)
+ */
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Scratchpad memory.
+ */
+static char data[SCRATCHPAD];
+
+
+/*
+ * Function prototypes/declarations.
+ */
+static int fdt_valid(void);
+static void print_data(const void *data, int len);
+static int fdt_chosen(void *fdt, ulong initrd_start, ulong initrd_end);
+static int fdt_env(void *fdt);
+static int fdt_bd_t(void *fdt);
+
+
+/*
+ * Flattened Device Tree command, see the help for parameter definitions.
+ */
+int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+ char op;
+
+ if (argc < 2) {
+ printf ("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ }
+
+ /*
+ * Figure out which subcommand was given
+ */
+ op = argv[1][0];
+ /********************************************************************
+ * Set the address of the fdt
+ ********************************************************************/
+ if (op == 'a') {
+ /*
+ * Set the address [and length] of the fdt.
+ */
+ fdt = (struct fdt_header *)simple_strtoul(argv[2], NULL, 16);
+
+ if (!fdt_valid()) {
+ return 1;
+ }
+
+ if (argc >= 4) {
+ int len;
+ int err;
+ /*
+ * Optional new length
+ */
+ len = simple_strtoul(argv[3], NULL, 16);
+ if (len < fdt_totalsize(fdt)) {
+ printf ("New length %d < existing length %d, ignoring.\n",
+ len, fdt_totalsize(fdt));
+ } else {
+ /*
+ * Open in place with a new length.
+ */
+ err = fdt_open_into(fdt, fdt, len);
+ if (err != 0) {
+ printf ("libfdt: %s\n", fdt_strerror(err));
+ }
+ }
+ }
+
+ /********************************************************************
+ * Move the fdt
+ ********************************************************************/
+ } else if (op == 'm') {
+ struct fdt_header *newaddr;
+ int len;
+ int err;
+
+ if (argc != 5) {
+ printf ("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ }
+
+ /*
+ * Set the address and length of the fdt.
+ */
+ fdt = (struct fdt_header *)simple_strtoul(argv[2], NULL, 16);
+ if (!fdt_valid()) {
+ return 1;
+ }
+
+ newaddr = (struct fdt_header *)simple_strtoul(argv[3], NULL, 16);
+ len = simple_strtoul(argv[4], NULL, 16);
+ if (len < fdt_totalsize(fdt)) {
+ printf ("New length %d < existing length %d, aborting.\n",
+ len, fdt_totalsize(fdt));
+ return 1;
+ }
+
+ /*
+ * Copy to the new location.
+ */
+ err = fdt_open_into(fdt, newaddr, len);
+ if (err != 0) {
+ printf ("libfdt: %s\n", fdt_strerror(err));
+ return 1;
+ }
+ fdt = newaddr;
+
+ /********************************************************************
+ * Set the value of a node in the fdt.
+ ********************************************************************/
+ } else if (op == 's') {
+ char *pathp; /* path */
+ char *prop; /* property */
+ struct fdt_property *nodep; /* node struct pointer */
+ char *newval; /* value from the user (as a string) */
+ char *vp; /* temporary value pointer */
+ char *cp; /* temporary char pointer */
+ int nodeoffset; /* node offset from libfdt */
+ int len; /* new length of the property */
+ int oldlen; /* original length of the property */
+ unsigned long tmp; /* holds converted values */
+ int ret; /* return value */
+
+ /*
+ * Parameters: Node path, property, value.
+ */
+ if (argc < 5) {
+ printf ("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ }
+
+ pathp = argv[2];
+ prop = argv[3];
+ newval = argv[4];
+
+ if (strcmp(pathp, "/") == 0) {
+ nodeoffset = 0;
+ } else {
+ nodeoffset = fdt_path_offset (fdt, pathp);
+ if (nodeoffset < 0) {
+ /*
+ * Not found or something else bad happened.
+ */
+ printf ("libfdt: %s\n", fdt_strerror(nodeoffset));
+ return 1;
+ }
+ }
+ nodep = fdt_getprop (fdt, nodeoffset, prop, &oldlen);
+ if (oldlen < 0) {
+ printf ("libfdt %s\n", fdt_strerror(oldlen));
+ return 1;
+ } else if (oldlen == 0) {
+ /*
+ * The specified property has no value
+ */
+ printf("%s has no value, cannot set one (yet).\n", prop);
+ return 1;
+ } else {
+ /*
+ * Convert the new property
+ */
+ vp = data;
+ if (*newval == '<') {
+ /*
+ * Bigger values than bytes.
+ */
+ len = 0;
+ newval++;
+ while ((*newval != '>') && (*newval != '\0')) {
+ cp = newval;
+ tmp = simple_strtoul(cp, &newval, 16);
+ if ((newval - cp) <= 2) {
+ *vp = tmp & 0xFF;
+ vp += 1;
+ len += 1;
+ } else if ((newval - cp) <= 4) {
+ *(uint16_t *)vp = __cpu_to_be16(tmp);
+ vp += 2;
+ len += 2;
+ } else if ((newval - cp) <= 8) {
+ *(uint32_t *)vp = __cpu_to_be32(tmp);
+ vp += 4;
+ len += 4;
+ } else {
+ printf("Sorry, I could not convert \"%s\"\n", cp);
+ return 1;
+ }
+ while (*newval == ' ')
+ newval++;
+ }
+ if (*newval != '>') {
+ printf("Unexpected character '%c'\n", *newval);
+ return 1;
+ }
+ } else if (*newval == '[') {
+ /*
+ * Byte stream. Convert the values.
+ */
+ len = 0;
+ newval++;
+ while ((*newval != ']') && (*newval != '\0')) {
+ tmp = simple_strtoul(newval, &newval, 16);
+ *vp++ = tmp & 0xFF;
+ len++;
+ while (*newval == ' ')
+ newval++;
+ }
+ if (*newval != ']') {
+ printf("Unexpected character '%c'\n", *newval);
+ return 1;
+ }
+ } else {
+ /*
+ * Assume it is a string. Copy it into our data area for
+ * convenience (including the terminating '\0').
+ */
+ len = strlen(newval) + 1;
+ strcpy(data, newval);
+ }
+
+ ret = fdt_setprop(fdt, nodeoffset, prop, data, len);
+ if (ret < 0) {
+ printf ("libfdt %s\n", fdt_strerror(ret));
+ return 1;
+ }
+ }
+
+ /********************************************************************
+ * Print (recursive) / List (single level)
+ ********************************************************************/
+ } else if ((op == 'p') || (op == 'l')) {
+ /*
+ * Recursively print (a portion of) the fdt.
+ */
+ static int offstack[MAX_LEVEL];
+ static char tabs[MAX_LEVEL+1] = "\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t";
+ int depth = MAX_LEVEL; /* how deep to print */
+ char *pathp; /* path */
+ char *prop; /* property */
+ void *nodep; /* property node pointer */
+ int nodeoffset; /* node offset from libfdt */
+ int nextoffset; /* next node offset from libfdt */
+ uint32_t tag; /* tag */
+ int len; /* length of the property */
+ int level = 0; /* keep track of nesting level */
+
+ /*
+ * list is an alias for print, but limited to 1 level
+ */
+ if (op == 'l') {
+ depth = 1;
+ }
+
+ /*
+ * Get the starting path. The root node is an oddball,
+ * the offset is zero and has no name.
+ */
+ pathp = argv[2];
+ if (argc > 3)
+ prop = argv[3];
+ else
+ prop = NULL;
+
+ if (strcmp(pathp, "/") == 0) {
+ nodeoffset = 0;
+ printf("/");
+ } else {
+ nodeoffset = fdt_path_offset (fdt, pathp);
+ if (nodeoffset < 0) {
+ /*
+ * Not found or something else bad happened.
+ */
+ printf ("libfdt %s\n", fdt_strerror(nodeoffset));
+ return 1;
+ }
+ }
+ /*
+ * The user passed in a property as well as node path. Print only
+ * the given property and then return.
+ */
+ if (prop) {
+ nodep = fdt_getprop (fdt, nodeoffset, prop, &len);
+ if (len == 0) {
+ printf("%s %s\n", pathp, prop); /* no property value */
+ return 0;
+ } else if (len > 0) {
+ printf("%s=", prop);
+ print_data (nodep, len);
+ printf("\n");
+ return 0;
+ } else {
+ printf ("libfdt %s\n", fdt_strerror(len));
+ return 1;
+ }
+ }
+
+ /*
+ * The user passed in a node path and no property, print the node
+ * and all subnodes.
+ */
+ offstack[0] = nodeoffset;
+
+ while(level >= 0) {
+ tag = fdt_next_tag(fdt, nodeoffset, &nextoffset, &pathp);
+ switch(tag) {
+ case FDT_BEGIN_NODE:
+ if(level <= depth)
+ printf("%s%s {\n", &tabs[MAX_LEVEL - level], pathp);
+ level++;
+ offstack[level] = nodeoffset;
+ if (level >= MAX_LEVEL) {
+ printf("Aaaiii <splat> nested too deep.\n");
+ return 1;
+ }
+ break;
+ case FDT_END_NODE:
+ level--;
+ if(level <= depth)
+ printf("%s};\n", &tabs[MAX_LEVEL - level]);
+ if (level == 0) {
+ level = -1; /* exit the loop */
+ }
+ break;
+ case FDT_PROP:
+ nodep = fdt_getprop (fdt, offstack[level], pathp, &len);
+ if (len < 0) {
+ printf ("libfdt %s\n", fdt_strerror(len));
+ return 1;
+ } else if (len == 0) {
+ /* the property has no value */
+ if(level <= depth)
+ printf("%s%s;\n", &tabs[MAX_LEVEL - level], pathp);
+ } else {
+ if(level <= depth) {
+ printf("%s%s=", &tabs[MAX_LEVEL - level], pathp);
+ print_data (nodep, len);
+ printf(";\n");
+ }
+ }
+ break;
+ case FDT_NOP:
+ break;
+ case FDT_END:
+ return 1;
+ default:
+ if(level <= depth)
+ printf("Unknown tag 0x%08X\n", tag);
+ return 1;
+ }
+ nodeoffset = nextoffset;
+ }
+
+ /********************************************************************
+ * Remove a property/node
+ ********************************************************************/
+ } else if (op == 'r') {
+ int nodeoffset; /* node offset from libfdt */
+ int err;
+
+ /*
+ * Get the path. The root node is an oddball, the offset
+ * is zero and has no name.
+ */
+ if (strcmp(argv[2], "/") == 0) {
+ nodeoffset = 0;
+ } else {
+ nodeoffset = fdt_path_offset (fdt, argv[2]);
+ if (nodeoffset < 0) {
+ /*
+ * Not found or something else bad happened.
+ */
+ printf ("libfdt %s\n", fdt_strerror(nodeoffset));
+ return 1;
+ }
+ }
+ /*
+ * Do the delete. A fourth parameter means delete a property,
+ * otherwise delete the node.
+ */
+ if (argc > 3) {
+ err = fdt_delprop(fdt, nodeoffset, argv[3]);
+ if (err < 0) {
+ printf("fdt_delprop libfdt: %s\n", fdt_strerror(err));
+ return err;
+ }
+ } else {
+ err = fdt_del_node(fdt, nodeoffset);
+ if (err < 0) {
+ printf("fdt_del_node libfdt: %s\n", fdt_strerror(err));
+ return err;
+ }
+ }
+
+ /********************************************************************
+ * Create a chosen node
+ ********************************************************************/
+ } else if (op == 'c') {
+ fdt_chosen(fdt, 0, 0);
+
+ /********************************************************************
+ * Create a u-boot-env node
+ ********************************************************************/
+ } else if (op == 'e') {
+ fdt_env(fdt);
+
+ /********************************************************************
+ * Create a bd_t node
+ ********************************************************************/
+ } else if (op == 'b') {
+ fdt_bd_t(fdt);
+
+ /********************************************************************
+ * Unrecognized command
+ ********************************************************************/
+ } else {
+ printf ("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ }
+
+ return 0;
+}
+
+/********************************************************************/
+
+static int fdt_valid(void)
+{
+ if (fdt == NULL) {
+ printf ("The address of the fdt is invalid.\n");
+ return 0;
+ }
+ if (!fdt || (fdt_magic(fdt) != FDT_MAGIC)) {
+ fdt = NULL;
+ printf ("Unrecognized fdt: bad magic\n");
+ return 0;
+ }
+ if (fdt_version(fdt) < FDT_FIRST_SUPPORTED_VERSION) {
+ printf ("Unsupported fdt version: $d < %d\n",
+ FDT_FIRST_SUPPORTED_VERSION, fdt_version(fdt));
+ fdt = NULL;
+ return 0;
+ }
+ if (fdt_last_comp_version(fdt) > FDT_LAST_SUPPORTED_VERSION) {
+ printf ("Unsupported fdt version: $d > %d\n",
+ fdt_version(fdt), FDT_LAST_SUPPORTED_VERSION);
+ fdt = NULL;
+ return 0;
+ }
+ return 1;
+}
+
+/********************************************************************/
+
+/*
+ * OF flat tree handling
+ * Written by: Pantelis Antoniou <pantelis.antoniou@gmail.com>
+ * Updated by: Matthew McClintock <msm@freescale.com>
+ * Converted to libfdt by: Gerald Van Baren <vanbaren@cideas.com>
+ */
+
+static int is_printable_string(const void *data, int len)
+{
+ const char *s = data;
+
+ /* zero length is not */
+ if (len == 0)
+ return 0;
+
+ /* must terminate with zero */
+ if (s[len - 1] != '\0')
+ return 0;
+
+ /* printable or a null byte (concatenated strings) */
+ while (((*s == '\0') || isprint(*s)) && (len > 0)) {
+ /*
+ * If we see a null, there are three possibilities:
+ * 1) If len == 1, it is the end of the string, printable
+ * 2) Next character also a null, not printable.
+ * 3) Next character not a null, continue to check.
+ */
+ if (s[0] == '\0') {
+ if (len == 1)
+ return 1;
+ if (s[1] == '\0')
+ return 0;
+ }
+ s++;
+ len--;
+ }
+
+ /* Not the null termination, or not done yet: not printable */
+ if (*s != '\0' || (len != 0))
+ return 0;
+
+ return 1;
+}
+
+static void print_data(const void *data, int len)
+{
+ int j;
+ const u8 *s;
+
+ /* no data, don't print */
+ if (len == 0)
+ return;
+
+ /*
+ * It is a string, but it may have multiple strings (embedded '\0's).
+ */
+ if (is_printable_string(data, len)) {
+ puts("\"");
+ j = 0;
+ while (j < len) {
+ if (j > 0)
+ puts("\", \"");
+ puts(data);
+ j += strlen(data) + 1;
+ data += strlen(data) + 1;
+ }
+ puts("\"");
+ return;
+ }
+
+ switch (len) {
+ case 1: /* byte */
+ printf("<%02x>", (*(u8 *) data) & 0xff);
+ break;
+ case 2: /* half-word */
+ printf("<%04x>", be16_to_cpu(*(u16 *) data) & 0xffff);
+ break;
+ case 4: /* word */
+ printf("<%08x>", be32_to_cpu(*(u32 *) data) & 0xffffffffU);
+ break;
+ case 8: /* double-word */
+#if __WORDSIZE == 64
+ printf("<%016llx>", be64_to_cpu(*(uint64_t *) data));
+#else
+ printf("<%08x ", be32_to_cpu(*(u32 *) data) & 0xffffffffU);
+ data += 4;
+ printf("%08x>", be32_to_cpu(*(u32 *) data) & 0xffffffffU);
+#endif
+ break;
+ default: /* anything else... hexdump */
+ printf("[");
+ for (j = 0, s = data; j < len; j++)
+ printf("%02x%s", s[j], j < len - 1 ? " " : "");
+ printf("]");
+
+ break;
+ }
+}
+
+/********************************************************************/
+
+static int fdt_chosen(void *fdt, ulong initrd_start, ulong initrd_end)
+{
+ 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;
+
+ 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;
+ }
+ }
+
+ /*
+ * See if we already have a "chosen" node, create it if not.
+ */
+ nodeoffset = fdt_path_offset (fdt, "/chosen");
+ 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;
+ }
+ }
+
+ 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
+}
+
+/********************************************************************/
+
+#ifdef CONFIG_OF_HAS_BD_T
+
+/* Function that returns a character from the environment */
+extern uchar(*env_get_char) (int);
+
+#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),
+};
+
+static int fdt_env(void *fdt)
+{
+ int nodeoffset;
+ int err;
+ int k, nxt;
+ int i;
+ static char tmpenv[256];
+
+ /*
+ * 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("\"%s\" - libfdt: %s\n", lval, fdt_strerror(err));
+ return err;
+ }
+ }
+ return 0;
+}
+#endif /* CONFIG_OF_HAS_UBOOT_ENV */
+
+/********************************************************************/
+
+#ifdef CONFIG_OF_HAS_BD_T
+static 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;
+
+ /*
+ * 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));
+
+#ifdef CONFIG_OF_BOARD_SETUP
+ ft_board_setup(fdt, bd);
+#endif
+
+ return 0;
+}
+#endif /* CONFIG_OF_HAS_BD_T */
+
+/********************************************************************/
+
+U_BOOT_CMD(
+ fdt, 5, 0, do_fdt,
+ "fdt - flattened device tree utility commands\n",
+ "addr <addr> [<length>] - Set the fdt location to <addr>\n"
+ "fdt move <fdt> <newaddr> <length> - Copy the fdt to <addr>\n"
+ "fdt print <path> [<prop>] - Recursive print starting at <path>\n"
+ "fdt list <path> [<prop>] - Print one level starting at <path>\n"
+ "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 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"
+#endif
+#ifdef CONFIG_OF_HAS_BD_T
+ "fdt bd_t - Add/replace the \"/bd_t\" branch in the tree\n"
+#endif
+ "Hints:\n"
+ " * Set a larger length with the fdt addr command to add to the blob.\n"
+ " * If the property you are setting/printing has a '#' character,\n"
+ " you MUST escape it with a \\ character or quote it with \" or\n"
+ " it will be ignored as a comment.\n"
+ " * If the value has spaces in it, you MUST escape the spaces with\n"
+ " \\ characters or quote it with \"\"\n"
+ "Examples: fdt print / # print the whole tree\n"
+ " fdt print /cpus \"#address-cells\"\n"
+ " fdt set /cpus \"#address-cells\" \"[00 00 00 01]\"\n"
+);
+
+#endif /* CONFIG_OF_FLAT_TREE */
diff --git a/common/cmd_i2c.c b/common/cmd_i2c.c
index 45cfde2eb8..34571ee73b 100644
--- a/common/cmd_i2c.c
+++ b/common/cmd_i2c.c
@@ -701,6 +701,7 @@ int do_sdram ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
switch(data[2]) {
case 2: puts ("EDO\n"); break;
case 4: puts ("SDRAM\n"); break;
+ case 8: puts ("DDR2\n"); break;
default: puts ("unknown\n"); break;
}
puts ("Row address bits ");
@@ -722,6 +723,7 @@ int do_sdram ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
case 2: puts ("HSTL 1.5\n"); break;
case 3: puts ("SSTL 3.3\n"); break;
case 4: puts ("SSTL 2.5\n"); break;
+ case 5: puts ("SSTL 1.8\n"); break;
default: puts ("unknown\n"); break;
}
printf("SDRAM cycle time %d.%d nS\n",
@@ -948,6 +950,26 @@ int do_i2c(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
/***************************************************/
+#if defined(CONFIG_I2C_CMD_TREE)
+U_BOOT_CMD(
+ i2c, 6, 1, do_i2c,
+ "i2c - I2C sub-system\n",
+#if defined(CONFIG_I2C_MULTI_BUS)
+ "dev [dev] - show or set current I2C bus\n"
+#endif /* CONFIG_I2C_MULTI_BUS */
+ "i2c speed [speed] - show or set I2C bus speed\n"
+ "i2c md chip address[.0, .1, .2] [# of objects] - read from I2C device\n"
+ "i2c mm chip address[.0, .1, .2] - write to I2C device (auto-incrementing)\n"
+ "i2c mw chip address[.0, .1, .2] value [count] - write to I2C device (fill)\n"
+ "i2c nm chip address[.0, .1, .2] - write to I2C device (constant address)\n"
+ "i2c crc32 chip address[.0, .1, .2] count - compute CRC32 checksum\n"
+ "i2c probe - show devices on the I2C bus\n"
+ "i2c loop chip address[.0, .1, .2] [# of objects] - looping read of device\n"
+#if (CONFIG_COMMANDS & CFG_CMD_SDRAM)
+ "i2c sdram chip - print SDRAM configuration information\n"
+#endif /* CFG_CMD_SDRAM */
+);
+#else /* CONFIG_I2C_CMD_TREE */
U_BOOT_CMD(
imd, 4, 1, do_i2c_md, \
"imd - i2c memory display\n", \
@@ -1002,26 +1024,6 @@ U_BOOT_CMD(
" (valid chip values 50..57)\n"
);
#endif
-
-#if defined(CONFIG_I2C_CMD_TREE)
-U_BOOT_CMD(
- i2c, 6, 1, do_i2c,
- "i2c - I2C sub-system\n",
-#if defined(CONFIG_I2C_MULTI_BUS)
- "dev [dev] - show or set current I2C bus\n"
-#endif /* CONFIG_I2C_MULTI_BUS */
- "i2c speed [speed] - show or set I2C bus speed\n"
- "i2c md chip address[.0, .1, .2] [# of objects] - read from I2C device\n"
- "i2c mm chip address[.0, .1, .2] - write to I2C device (auto-incrementing)\n"
- "i2c mw chip address[.0, .1, .2] value [count] - write to I2C device (fill)\n"
- "i2c nm chip address[.0, .1, .2] - write to I2C device (constant address)\n"
- "i2c crc32 chip address[.0, .1, .2] count - compute CRC32 checksum\n"
- "i2c probe - show devices on the I2C bus\n"
- "i2c loop chip address[.0, .1, .2] [# of objects] - looping read of device\n"
-#if (CONFIG_COMMANDS & CFG_CMD_SDRAM)
- "i2c sdram chip - print SDRAM configuration information\n"
-#endif /* CFG_CMD_SDRAM */
-);
#endif /* CONFIG_I2C_CMD_TREE */
#endif /* CFG_CMD_I2C */