This will allow the eventual removal of device_type = "soc"
properties in soc nodes.
Signed-off-by: John Rigby <[EMAIL PROTECTED]>
---
arch/powerpc/sysdev/fsl_soc.c | 25 +++++++++++++++++++++++--
1 files changed, 23 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index 214388e..2643395 100644
--- a/arch/powerpc/sysdev/fsl_soc.c
+++ b/arch/powerpc/sysdev/fsl_soc.c
@@ -45,14 +45,35 @@ extern void init_fec_ioports(struct fs_platform_info*);
extern void init_smc_ioports(struct fs_uart_platform_info*);
static phys_addr_t immrbase = -1;
+/*
+ * Some chips call this immr some ccsr, we
+ * use the term immr for both.
+ */
phys_addr_t get_immrbase(void)
{
- struct device_node *soc;
+ struct device_node *soc = NULL;
+ struct device_node *np;
+ const char *path;
+
if (immrbase != -1)
return immrbase;
- soc = of_find_node_by_type(NULL, "soc");
+ /*
+ * First look for an immr alias
+ */
+ np = of_find_node_by_name(NULL, "/aliases");
+ if (np) {
+ path = of_get_property(np, "immr", NULL);
+ if (path)
+ soc = of_find_node_by_name(NULL, path);
+ }
+ /*
+ * If no immr alias then fall back to finding
+ * it by device_type
+ */
+ if (!soc)
+ soc = of_find_node_by_type(NULL, "soc");
if (soc) {
int size;
u32 naddr;
--
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