diff options
Diffstat (limited to 'arch/powerpc/boot/microwatt.c')
-rw-r--r-- | arch/powerpc/boot/microwatt.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/powerpc/boot/microwatt.c b/arch/powerpc/boot/microwatt.c new file mode 100644 index 0000000000..ca9d83617f --- /dev/null +++ b/arch/powerpc/boot/microwatt.c @@ -0,0 +1,24 @@ +// SPDX-License-Identifier: GPL-2.0-or-later + +#include <stddef.h> +#include "stdio.h" +#include "types.h" +#include "io.h" +#include "ops.h" + +BSS_STACK(8192); + +void platform_init(unsigned long r3, unsigned long r4, unsigned long r5) +{ + unsigned long heapsize = 16*1024*1024 - (unsigned long)_end; + + /* + * Disable interrupts and turn off MSR_RI, since we'll + * shortly be overwriting the interrupt vectors. + */ + __asm__ volatile("mtmsrd %0,1" : : "r" (0)); + + simple_alloc_init(_end, heapsize, 32, 64); + fdt_init(_dtb_start); + serial_console_init(); +} |