From 66530953319427d7c67a723076acd68075dc7db2 Mon Sep 17 00:00:00 2001 From: "Peter A. G. Crosthwaite" Date: Tue, 24 Jul 2012 12:23:22 +1000 Subject: 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 Acked-by: Peter Maydell --- hw/ssd0323.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'hw/ssd0323.c') 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; } -- cgit v1.1