diff options
| author | Scott Wood <scottwood@freescale.com> | 2007-03-26 15:52:24 -0500 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-04-13 03:55:15 +1000 |
| commit | 6e1af384f1c1742ae6d86bbf779d4fa020c509bc (patch) | |
| tree | e07f1cc421fdc4e51847d26bb9bdccc53341e1cc /arch/powerpc/boot/ops.h | |
| parent | dbf8eefa2b814d6922492120bfa46d4bc42ceb20 (diff) | |
[POWERPC] bootwrapper: Add dt_xlate_reg(), and use it to find serial registers.
dt_xlate_reg() uses the ranges properties of a node's parentage to find
the absolute physical address of the node's registers.
The ns16550 driver uses this when no virtual-reg property is found.
Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/boot/ops.h')
| -rw-r--r-- | arch/powerpc/boot/ops.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/boot/ops.h b/arch/powerpc/boot/ops.h index 8008d612402e..fbd9030d660e 100644 --- a/arch/powerpc/boot/ops.h +++ b/arch/powerpc/boot/ops.h @@ -82,6 +82,8 @@ int ns16550_console_init(void *devp, struct serial_console_data *scdp); void *simple_alloc_init(char *base, u32 heap_size, u32 granularity, u32 max_allocs); extern void flush_cache(void *, unsigned long); +int dt_xlate_reg(void *node, int res, unsigned long *addr, + unsigned long *size); static inline void *finddevice(const char *name) { |