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lm4: Postfix chip name when debug mode is enabled

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This adds a '-debug' postfix to chip name when debug mode is enabled,
allowing us to probe debug mode from host.

BUG=chrome-os-partner:16700
TEST='mosys -k ec info' and see chip name postfixed with '-tm'
     Test same thing on DVT and chip name is not postfixed.
BRANCH=link

Change-Id: Iade26f2009dd3bdb8ddbe92da0da8da5404c6e99
Signed-off-by: Vic Yang <victoryang@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/39455
Reviewed-by: Randall Spangler <rspangler@chromium.org>
This commit is contained in:
Vic Yang
2012-12-10 14:42:16 +08:00
committed by Gerrit
parent ab727c4941
commit 73a0bb2ecf
1 changed files with 23 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
chip/lm4/system.c
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@@ -405,7 +405,7 @@ static char to_hex(int x)
return 'a' + x - 10;
}
const char *system_get_raw_chip_name(void)
const char *system_get_chip_id_string(void)
{
static char str[15] = "Unknown-";
char *p = str + 8;
@@ -423,7 +423,7 @@ const char *system_get_raw_chip_name(void)
return (const char *)str;
}
const char *system_get_chip_name(void)
const char *system_get_raw_chip_name(void)
{
if ((LM4_SYSTEM_DID1 & 0xffff0000) == 0x10e20000) {
return "lm4fsxhh5bb";
@@ -436,7 +436,27 @@ const char *system_get_chip_name(void)
} else if ((LM4_SYSTEM_DID1 & 0xffff0000) == 0x10ea0000) {
return "lm4fs1gh5bb";
} else {
return system_get_raw_chip_name();
return system_get_chip_id_string();
}
}
const char *system_get_chip_name(void)
{
const char *postfix = "-tm"; /* test mode */
static char str[20];
const char *raw_chip_name = system_get_raw_chip_name();
char *p = str;
if (LM4REG(0x400fdff0)) {
/* Debug mode is enabled. Postfix chip name. */
while (*raw_chip_name)
*(p++) = *(raw_chip_name++);
while (*postfix)
*(p++) = *(postfix++);
*p = '\0';
return (const char *)str;
} else {
return raw_chip_name;
}
}