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author | Ronald G. Minnich <rminnich@gmail.com> | 2016-02-12 22:37:48 +0000 |
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committer | Martin Roth <martinroth@google.com> | 2016-02-20 04:55:13 +0100 |
commit | 9831244cb8b3e72aa03851cfa73819e2964de330 (patch) | |
tree | 77a7565d955bb4da0115eff04ed6b8d7fc68cc37 /src/mainboard/emulation/qemu-power8/cbmem.c | |
parent | 41462bd0c34838b3047ff21a15dc78a99b76e53c (diff) | |
download | coreboot-9831244cb8b3e72aa03851cfa73819e2964de330.tar.xz |
emulation/qemu-power8: initial mainboard and arch commit
This builds and produces an image.
The next step is to get a 'halt' instruction into the boot block and then attach with qemu.
I can't get the powerpc64le-linux-gnu-ld.bfd to recognize any output arch but
powerpc. That makes no sense to me.
Change-Id: Ia2a5fe07a1457e7b6974ab1473539c7447d7a449
Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-on: https://review.coreboot.org/13704
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Diffstat (limited to 'src/mainboard/emulation/qemu-power8/cbmem.c')
-rw-r--r-- | src/mainboard/emulation/qemu-power8/cbmem.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/mainboard/emulation/qemu-power8/cbmem.c b/src/mainboard/emulation/qemu-power8/cbmem.c new file mode 100644 index 0000000000..bf5c0bcc79 --- /dev/null +++ b/src/mainboard/emulation/qemu-power8/cbmem.c @@ -0,0 +1,25 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2013 Google, Inc. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <cbmem.h> + +void *cbmem_top(void) +{ + /* Top of cbmem is at lowest usable DRAM address below 4GiB. */ + /* For now, last 1M of 4G */ + void *ptr = (void *) ((1ULL << 32) - 1048576); + return ptr; +} + |