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author | Peter A. G. Crosthwaite <peter.crosthwaite@petalogix.com> | 2012-07-24 12:23:22 +1000 |
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committer | Peter Crosthwaite <peter.crosthwaite@xilinx.com> | 2012-10-10 11:13:31 +1000 |
commit | 66530953319427d7c67a723076acd68075dc7db2 (patch) | |
tree | 6db9a1fea1d50f2d02a3ffeacb922332df9d208a /hw/ssd0323.c | |
parent | b4a76e84f4997392c9d2eb6f4373dc376d2ffd82 (diff) | |
download | hqemu-66530953319427d7c67a723076acd68075dc7db2.zip hqemu-66530953319427d7c67a723076acd68075dc7db2.tar.gz |
ssi: Implemented CS behaviour
Added default CS behaviour for SSI slaves. SSI devices can set a property
to enable CS behaviour which will create a GPIO on the device which is the
CS. Tristating of the bus on SSI transfers is implemented.
Signed-off-by: Peter A. G. Crosthwaite <peter.crosthwaite@petalogix.com>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/ssd0323.c')
-rw-r--r-- | hw/ssd0323.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/hw/ssd0323.c b/hw/ssd0323.c index b101c51..5d05a35 100644 --- a/hw/ssd0323.c +++ b/hw/ssd0323.c @@ -279,6 +279,7 @@ static void ssd0323_cd(void *opaque, int n, int level) static void ssd0323_save(QEMUFile *f, void *opaque) { + SSISlave *ss = SSI_SLAVE(opaque); ssd0323_state *s = (ssd0323_state *)opaque; int i; @@ -296,10 +297,13 @@ static void ssd0323_save(QEMUFile *f, void *opaque) qemu_put_be32(f, s->remap); qemu_put_be32(f, s->mode); qemu_put_buffer(f, s->framebuffer, sizeof(s->framebuffer)); + + qemu_put_be32(f, ss->cs); } static int ssd0323_load(QEMUFile *f, void *opaque, int version_id) { + SSISlave *ss = SSI_SLAVE(opaque); ssd0323_state *s = (ssd0323_state *)opaque; int i; @@ -321,6 +325,8 @@ static int ssd0323_load(QEMUFile *f, void *opaque, int version_id) s->mode = qemu_get_be32(f); qemu_get_buffer(f, s->framebuffer, sizeof(s->framebuffer)); + ss->cs = qemu_get_be32(f); + return 0; } |