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authorKumar Gala <galak@kernel.crashing.org>2006-01-11 13:49:31 -0600
committerKumar Gala <galak@kernel.crashing.org>2006-01-11 13:49:31 -0600
commite4f880eddde5406fc9dd1edf7e6a49422f3d8e7b (patch)
tree5aabf97ffe799d52a982e55d269e08314fb26622 /common
parentc7428d49ace4f2f16174ca028fe7072c02a473c8 (diff)
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Added CONFIG_ options for bd_t and env in flat dev tree
CONFIG_OF_HAS_BD_T will put a copy of the bd_t into the resulting flat device tree. CONFIG_OF_HAS_UBOOT_ENV will copy the environment variables from u-boot into the flat device tree Patch by Kumar Gala 11 Jan 2006
Diffstat (limited to 'common')
-rw-r--r--common/ft_build.c30
1 files changed, 23 insertions, 7 deletions
diff --git a/common/ft_build.c b/common/ft_build.c
index 65a274f..5719458 100644
--- a/common/ft_build.c
+++ b/common/ft_build.c
@@ -529,6 +529,7 @@ extern uchar(*env_get_char) (int);
#define BDM(x) { .name = #x, .offset = offsetof(bd_t, bi_ ##x ) }
+#ifdef CONFIG_OF_HAS_BD_T
static const struct {
const char *name;
int offset;
@@ -574,19 +575,24 @@ static const struct {
#endif
BDM(baudrate),
};
+#endif
void ft_setup(void *blob, int size, bd_t * bd)
{
- DECLARE_GLOBAL_DATA_PTR;
- u8 *end;
u32 *p;
int len;
struct ft_cxt cxt;
- int i, k, nxt;
- static char tmpenv[256];
- char *s, *lval, *rval;
ulong clock;
- uint32_t v;
+#if defined(CONFIG_OF_HAS_UBOOT_ENV)
+ int k, nxt;
+#endif
+#if defined(CONFIG_OF_HAS_BD_T)
+ u8 *end;
+#endif
+#if defined(CONFIG_OF_HAS_UBOOT_ENV) || defined(CONFIG_OF_HAS_BD_T)
+ int i;
+ static char tmpenv[256];
+#endif
/* disable OF tree; booting old kernel */
if (getenv("disable_of") != NULL) {
@@ -610,9 +616,12 @@ void ft_setup(void *blob, int size, bd_t * bd)
/* back into root */
ft_backtrack_node(&cxt);
+#ifdef CONFIG_OF_HAS_UBOOT_ENV
ft_begin_node(&cxt, "u-boot-env");
for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
+ char *s, *lval, *rval;
+
for (nxt = i; env_get_char(nxt) != '\0'; ++nxt) ;
s = tmpenv;
for (k = i; k < nxt && s < &tmpenv[sizeof(tmpenv) - 1]; ++k)
@@ -629,6 +638,7 @@ void ft_setup(void *blob, int size, bd_t * bd)
}
ft_end_node(&cxt);
+#endif
ft_begin_node(&cxt, "chosen");
@@ -647,14 +657,19 @@ void ft_setup(void *blob, int size, bd_t * bd)
ft_dump_blob(blob);
*/
+#ifdef CONFIG_OF_HAS_BD_T
/* paste the bd_t at the end of the flat tree */
end = (char *)blob +
be32_to_cpu(((struct boot_param_header *)blob)->totalsize);
memcpy(end, bd, sizeof(*bd));
+#endif
#ifdef CONFIG_PPC
+#ifdef CONFIG_OF_HAS_BD_T
for (i = 0; i < sizeof(bd_map)/sizeof(bd_map[0]); i++) {
+ uint32_t v;
+
sprintf(tmpenv, "/bd_t/%s", bd_map[i].name);
v = *(uint32_t *)((char *)bd + bd_map[i].offset);
@@ -670,6 +685,7 @@ void ft_setup(void *blob, int size, bd_t * bd)
p = ft_get_prop(blob, "/bd_t/ethspeed", &len);
if (p != NULL)
*p = cpu_to_be32((uint32_t) bd->bi_ethspeed);
+#endif
clock = bd->bi_intfreq;
p = ft_get_prop(blob, "/cpus/" OF_CPU "/clock-frequency", &len);
@@ -680,7 +696,7 @@ void ft_setup(void *blob, int size, bd_t * bd)
clock = OF_TBCLK;
p = ft_get_prop(blob, "/cpus/" OF_CPU "/timebase-frequency", &len);
if (p != NULL)
- *p = cpu_to_be32(OF_TBCLK);
+ *p = cpu_to_be32(clock);
#endif
#endif /* __powerpc__ */