diff options
Diffstat (limited to 'arch/powerpc/platforms/44x')
-rw-r--r-- | arch/powerpc/platforms/44x/44x.h | 6 | ||||
-rw-r--r-- | arch/powerpc/platforms/44x/Makefile | 1 | ||||
-rw-r--r-- | arch/powerpc/platforms/44x/misc_44x.S | 26 |
3 files changed, 33 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/44x/44x.h b/arch/powerpc/platforms/44x/44x.h new file mode 100644 index 000000000000..45f24b166f4d --- /dev/null +++ b/arch/powerpc/platforms/44x/44x.h @@ -0,0 +1,6 @@ +#ifndef __POWERPC_PLATFORMS_44X_44X_H +#define __POWERPC_PLATFORMS_44X_44X_H + +extern void ppc44x_reset_system(char *cmd); + +#endif /* __POWERPC_PLATFORMS_44X_44X_H */ diff --git a/arch/powerpc/platforms/44x/Makefile b/arch/powerpc/platforms/44x/Makefile new file mode 100644 index 000000000000..575fdde5c905 --- /dev/null +++ b/arch/powerpc/platforms/44x/Makefile @@ -0,0 +1 @@ +obj-$(CONFIG_44x) := misc_44x.o diff --git a/arch/powerpc/platforms/44x/misc_44x.S b/arch/powerpc/platforms/44x/misc_44x.S new file mode 100644 index 000000000000..52bde71485bd --- /dev/null +++ b/arch/powerpc/platforms/44x/misc_44x.S @@ -0,0 +1,26 @@ +/* + * This file contains miscellaneous low-level functions for PPC 44x. + * Copyright 2007 David Gibson <dwg@au1.ibm.com>, IBM Corporation. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + * + */ + +#include <asm/reg.h> +#include <asm/ppc_asm.h> + + .text + +/* + * void ppc44x_reset_system(char *cmd) + * + * At present, this routine just applies a system reset. + */ +_GLOBAL(ppc44x_reset_system) + mfspr r13,SPRN_DBCR0 + oris r13,r13,DBCR0_RST_SYSTEM@h + mtspr SPRN_DBCR0,r13 + b . /* Just in case the reset doesn't work */ |