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authorWolfgang Denk <wd@denx.de>2011-05-04 10:32:28 +0000
committerWolfgang Denk <wd@denx.de>2011-05-12 19:48:42 +0200
commitf0c0b3a9e6f28a34d6da5edabba1e874fdf8e675 (patch)
treeb48adf0159f02551ab3318f469b085cfa0b26bb8 /board/tqc
parenta02a884b95c47e114a54f2751d03f139f312af2f (diff)
Fix incorrect use of getenv() before relocation
A large number of boards incorrectly used getenv() in their board init code running before relocation. In some cases this caused U-Boot to hang when certain environment variables grew too long. Fix the code to use getenv_r(). Signed-off-by: Wolfgang Denk <wd@denx.de> Cc: Stefan Roese <sr@denx.de> Cc: The LEOX team <team@leox.org> Cc: Michael Schwingen <michael@schwingen.org> Cc: Georg Schardt <schardt@team-ctech.de> Cc: Werner Pfister <Pfister_Werner@intercontrol.de> Cc: Dirk Eibach <eibach@gdsys.de> Cc: Peter De Schrijver <p2@mind.be> Cc: John Zhan <zhanz@sinovee.com> Cc: Rishi Bhattacharya <rishi@ti.com> Cc: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'board/tqc')
-rw-r--r--board/tqc/tqm8260/tqm8260.c8
-rw-r--r--board/tqc/tqm8272/tqm8272.c8
-rw-r--r--board/tqc/tqm85xx/tqm85xx.c19
-rw-r--r--board/tqc/tqm8xx/tqm8xx.c18
4 files changed, 31 insertions, 22 deletions
diff --git a/board/tqc/tqm8260/tqm8260.c b/board/tqc/tqm8260/tqm8260.c
index 95073b8446..65a3174ec6 100644
--- a/board/tqc/tqm8260/tqm8260.c
+++ b/board/tqc/tqm8260/tqm8260.c
@@ -195,17 +195,17 @@ const iop_conf_t iop_conf_tab[4][32] = {
*/
int checkboard (void)
{
- char str[64];
- int i = getenv_f("serial#", str, sizeof (str));
+ char buf[64];
+ int i = getenv_f("serial#", buf, sizeof(buf));
puts ("Board: ");
- if (!i || strncmp (str, "TQM82", 5)) {
+ if (i < 0 || strncmp(buf, "TQM82", 5)) {
puts ("### No HW ID - assuming TQM8260\n");
return (0);
}
- puts (str);
+ puts (buf);
putc ('\n');
return 0;
diff --git a/board/tqc/tqm8272/tqm8272.c b/board/tqc/tqm8272/tqm8272.c
index 96ec078fd9..9efb54125e 100644
--- a/board/tqc/tqm8272/tqm8272.c
+++ b/board/tqc/tqm8272/tqm8272.c
@@ -514,12 +514,16 @@ static inline int scanChar (char *p, int len, unsigned long *number)
static int dump_hwib(void)
{
HWIB_INFO *hw = &hwinf;
+ char buf[64];
+ int i = getenv_f("serial#", buf, sizeof(buf));
volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
- char *s = getenv("serial#");
+
+ if (i < 0)
+ buf[0] = '\0';
if (hw->OK) {
printf ("HWIB on %x\n", HWIB_INFO_START_ADDR);
- printf ("serial : %s\n", s);
+ printf ("serial : %s\n", buf);
printf ("ethaddr: %s\n", hw->ethaddr);
printf ("FLASH : %x nr:%d\n", hw->flash, hw->flash_nr);
printf ("RAM : %x cs:%d\n", hw->ram, hw->ram_cs);
diff --git a/board/tqc/tqm85xx/tqm85xx.c b/board/tqc/tqm85xx/tqm85xx.c
index 99b13311ce..8fb73abde7 100644
--- a/board/tqc/tqm85xx/tqm85xx.c
+++ b/board/tqc/tqm85xx/tqm85xx.c
@@ -227,17 +227,19 @@ static const int casl_table[] = { 20, 25, 30 };
int cas_latency (void)
{
- char *s = getenv ("serial#");
+ char buf[128];
int casl;
int val;
int i;
casl = CONFIG_DDR_DEFAULT_CL;
- if (s != NULL) {
- if (strncmp(s + strlen (s) - strlen (CASL_STRING1),
+ i = getenv_f("serial#", buf, sizeof(buf));
+
+ if (i >0) {
+ if (strncmp(buf + strlen (buf) - strlen (CASL_STRING1),
CASL_STRING2, strlen (CASL_STRING2)) == 0) {
- val = simple_strtoul (s + strlen (s) - 2, NULL, 10);
+ val = simple_strtoul (buf + strlen (buf) - 2, NULL, 10);
for (i = 0; i < N_CASL; ++i) {
if (val == casl_table[i]) {
@@ -252,12 +254,13 @@ int cas_latency (void)
int checkboard (void)
{
- char *s = getenv ("serial#");
+ char buf[64];
+ int i = getenv_f("serial#", buf, sizeof(buf));
printf ("Board: %s", CONFIG_BOARDNAME);
- if (s != NULL) {
- puts (", serial# ");
- puts (s);
+ if (i > 0) {
+ puts(", serial# ");
+ puts(buf);
}
putc ('\n');
diff --git a/board/tqc/tqm8xx/tqm8xx.c b/board/tqc/tqm8xx/tqm8xx.c
index 6576e0288a..1fda53b9ae 100644
--- a/board/tqc/tqm8xx/tqm8xx.c
+++ b/board/tqc/tqm8xx/tqm8xx.c
@@ -106,31 +106,33 @@ const uint sdram_table[] =
int checkboard (void)
{
- char *s = getenv ("serial#");
+ char buf[64];
+ int i;
+ int l = getenv_f("serial#", buf, sizeof(buf));
puts ("Board: ");
- if (!s || strncmp (s, "TQM8", 4)) {
+ if (l < 0 || strncmp(buf, "TQM8", 4)) {
puts ("### No HW ID - assuming TQM8xxL\n");
return (0);
}
- if ((*(s + 6) == 'L')) { /* a TQM8xxL type */
+ if ((buf[6] == 'L')) { /* a TQM8xxL type */
gd->board_type = 'L';
}
- if ((*(s + 6) == 'M')) { /* a TQM8xxM type */
+ if ((buf[6] == 'M')) { /* a TQM8xxM type */
gd->board_type = 'M';
}
- if ((*(s + 6) == 'D')) { /* a TQM885D type */
+ if ((buf[6] == 'D')) { /* a TQM885D type */
gd->board_type = 'D';
}
- for (; *s; ++s) {
- if (*s == ' ')
+ for (i = 0; i < l; ++i) {
+ if (buf[i] == ' ')
break;
- putc (*s);
+ putc (buf[i]);
}
#ifdef CONFIG_VIRTLAB2
puts (" (Virtlab2)");