[PATCH 8/9] Small updates for Freescale MPC52xx
Sylvain Munaut
tnt at 246tNt.com
Tue Sep 14 22:01:43 EST 2004
# This is a BitKeeper generated diff -Nru style patch.
#
# ChangeSet
# 2004/09/14 12:30:28+02:00 tnt at 246tNt.com
# ppc: Allow the Freescale MPC52xx to NAP when idle on LITE5200 platform
#
# NAP allows some powersave. It's provided mainly as an example on how
to do it.
# However, when a BDI is plugged it causes early crashes so be aware !
#
# Signed-off-by: Sylvain Munaut <tnt at 246tNt.com>
#
# arch/ppc/platforms/lite5200.c
# 2004/09/14 12:30:11+02:00 tnt at 246tNt.com +7 -0
# ppc: Allow the Freescale MPC52xx to NAP when idle on LITE5200 platform
#
diff -Nru a/arch/ppc/platforms/lite5200.c b/arch/ppc/platforms/lite5200.c
--- a/arch/ppc/platforms/lite5200.c 2004-09-14 12:48:13 +02:00
+++ b/arch/ppc/platforms/lite5200.c 2004-09-14 12:48:13 +02:00
@@ -36,6 +36,8 @@
#include <asm/mpc52xx.h>
+extern int powersave_nap;
+
/* Board data given by U-Boot */
bd_t __res;
EXPORT_SYMBOL(__res); /* For modules */
@@ -123,6 +125,11 @@
/* No ISA bus AFAIK */
isa_io_base = 0;
isa_mem_base = 0;
+
+ /* Powersave */
+#ifndef CONFIG_BDI_SWITCH /* NAP & BDI is a bad combination ... */
+ powersave_nap = 1; /* We allow this platform to NAP */
+#endif
/* Setup the ppc_md struct */
ppc_md.setup_arch = lite5200_setup_arch;
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