diff options
| author | Konrad Eisele <konrad@gaisler.com> | 2009-08-17 00:13:32 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-08-17 18:32:10 -0700 |
| commit | e63829de3d03f92cea2b26119e0aa9a7043b9913 (patch) | |
| tree | 0f0bbf2f86ef8a447e9b2a298662003602650e87 /arch/sparc/kernel/prom_common.c | |
| parent | 0fd7ef1fe0e6e70c7851ce65a2eb8a8d3f49147e (diff) | |
sparc,leon: Added support for AMBAPP bus.
The device is a AMBA bus if it is a child of prom node "ambapp" (AMBA
plug and play). Two functions
leon_trans_init() and leon_node_init() (defined in
sparc/kernel/leon_kernel.c) are called in the
prom_build_tree() path if CONFIG_SPARC_LEON is
defined. leon_node_init() will build up the device
tree using AMBA plug and play. Also: a extra check was addes to
prom_common.c:build_one_prop()
in case a rom-node is undefined which can happen for SPARC-LEON
because it creates only a minimum
nodes to emulate sparc behaviour.
Signed-off-by: Konrad Eisele <konrad@gaisler.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/kernel/prom_common.c')
| -rw-r--r-- | arch/sparc/kernel/prom_common.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/sparc/kernel/prom_common.c b/arch/sparc/kernel/prom_common.c index 0fb5789d43c..138910c6720 100644 --- a/arch/sparc/kernel/prom_common.c +++ b/arch/sparc/kernel/prom_common.c @@ -22,9 +22,12 @@ #include <linux/of.h> #include <asm/prom.h> #include <asm/oplib.h> +#include <asm/leon.h> #include "prom.h" +void (*prom_build_more)(struct device_node *dp, struct device_node ***nextp); + struct device_node *of_console_device; EXPORT_SYMBOL(of_console_device); @@ -161,7 +164,7 @@ static struct property * __init build_one_prop(phandle node, char *prev, name = prom_nextprop(node, prev, p->name); } - if (strlen(name) == 0) { + if (!name || strlen(name) == 0) { tmp = p; return NULL; } @@ -242,7 +245,7 @@ static struct device_node * __init prom_create_node(phandle node, return dp; } -static char * __init build_full_name(struct device_node *dp) +char * __init build_full_name(struct device_node *dp) { int len, ourlen, plen; char *n; @@ -289,6 +292,9 @@ static struct device_node * __init prom_build_tree(struct device_node *parent, dp->child = prom_build_tree(dp, prom_getchild(node), nextp); + if (prom_build_more) + prom_build_more(dp, nextp); + node = prom_getsibling(node); } |