aboutsummaryrefslogtreecommitdiff
path: root/hw
diff options
context:
space:
mode:
authoraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2008-05-09 18:46:04 +0000
committeraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2008-05-09 18:46:04 +0000
commitbf5b74230819b27c43d479409df6851077392801 (patch)
treec2f9e1ce503ded3e16d289ce533f859d486011ac /hw
parentea2b542a4c8fbf50a00c7b431b9fd2c0b832991f (diff)
SH4 serial controler improvements
(Shin-ichiro KAWASAKI) git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4397 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'hw')
-rw-r--r--hw/sh.h7
-rw-r--r--hw/sh7750.c14
-rw-r--r--hw/sh_serial.c33
3 files changed, 49 insertions, 5 deletions
diff --git a/hw/sh.h b/hw/sh.h
index 7df31640ef..808ea50bda 100644
--- a/hw/sh.h
+++ b/hw/sh.h
@@ -35,7 +35,12 @@ void tmu012_init(target_phys_addr_t base, int feat, uint32_t freq,
/* sh_serial.c */
#define SH_SERIAL_FEAT_SCIF (1 << 0)
void sh_serial_init (target_phys_addr_t base, int feat,
- uint32_t freq, CharDriverState *chr);
+ uint32_t freq, CharDriverState *chr,
+ struct intc_source *eri_source,
+ struct intc_source *rxi_source,
+ struct intc_source *txi_source,
+ struct intc_source *tei_source,
+ struct intc_source *bri_source);
/* tc58128.c */
int tc58128_init(struct SH7750State *s, char *zone1, char *zone2);
diff --git a/hw/sh7750.c b/hw/sh7750.c
index 158d03086a..a60a83ba66 100644
--- a/hw/sh7750.c
+++ b/hw/sh7750.c
@@ -556,9 +556,19 @@ SH7750State *sh7750_init(CPUSH4State * cpu)
cpu->intc_handle = &s->intc;
- sh_serial_init(0x1fe00000, 0, s->periph_freq, serial_hds[0]);
+ sh_serial_init(0x1fe00000, 0, s->periph_freq, serial_hds[0],
+ sh_intc_source(&s->intc, SCI1_ERI),
+ sh_intc_source(&s->intc, SCI1_RXI),
+ sh_intc_source(&s->intc, SCI1_TXI),
+ sh_intc_source(&s->intc, SCI1_TEI),
+ NULL);
sh_serial_init(0x1fe80000, SH_SERIAL_FEAT_SCIF,
- s->periph_freq, serial_hds[1]);
+ s->periph_freq, serial_hds[1],
+ sh_intc_source(&s->intc, SCIF_ERI),
+ sh_intc_source(&s->intc, SCIF_RXI),
+ sh_intc_source(&s->intc, SCIF_TXI),
+ NULL,
+ sh_intc_source(&s->intc, SCIF_BRI));
tmu012_init(0x1fd80000,
TMU012_FEAT_TOCR | TMU012_FEAT_3CHAN | TMU012_FEAT_EXTCLK,
diff --git a/hw/sh_serial.c b/hw/sh_serial.c
index fe409c49dd..97601e5530 100644
--- a/hw/sh_serial.c
+++ b/hw/sh_serial.c
@@ -55,6 +55,12 @@ typedef struct {
int flags;
CharDriverState *chr;
+
+ struct intc_source *eri;
+ struct intc_source *rxi;
+ struct intc_source *txi;
+ struct intc_source *tei;
+ struct intc_source *bri;
} sh_serial_state;
static void sh_serial_ioport_write(void *opaque, uint32_t offs, uint32_t val)
@@ -74,9 +80,15 @@ static void sh_serial_ioport_write(void *opaque, uint32_t offs, uint32_t val)
s->brr = val;
return;
case 0x08: /* SCR */
- s->scr = val & ((s->feat & SH_SERIAL_FEAT_SCIF) ? 0xfb : 0xff);
+ s->scr = val & ((s->feat & SH_SERIAL_FEAT_SCIF) ? 0xfa : 0xff);
if (!(val & (1 << 5)))
s->flags |= SH_SERIAL_FLAG_TEND;
+ if ((s->feat & SH_SERIAL_FEAT_SCIF) && s->txi) {
+ if ((val & (1 << 7)) && !(s->txi->asserted))
+ sh_intc_toggle_source(s->txi, 0, 1);
+ else if (!(val & (1 << 7)) && s->txi->asserted)
+ sh_intc_toggle_source(s->txi, 0, -1);
+ }
return;
case 0x0c: /* FTDR / TDR */
if (s->chr) {
@@ -159,6 +171,12 @@ static uint32_t sh_serial_ioport_read(void *opaque, uint32_t offs)
#endif
if (s->feat & SH_SERIAL_FEAT_SCIF) {
switch(offs) {
+ case 0x00: /* SMR */
+ ret = s->smr;
+ break;
+ case 0x08: /* SCR */
+ ret = s->scr;
+ break;
case 0x10: /* FSR */
ret = 0;
if (s->flags & SH_SERIAL_FLAG_TEND)
@@ -278,7 +296,12 @@ static CPUWriteMemoryFunc *sh_serial_writefn[] = {
};
void sh_serial_init (target_phys_addr_t base, int feat,
- uint32_t freq, CharDriverState *chr)
+ uint32_t freq, CharDriverState *chr,
+ struct intc_source *eri_source,
+ struct intc_source *rxi_source,
+ struct intc_source *txi_source,
+ struct intc_source *tei_source,
+ struct intc_source *bri_source)
{
sh_serial_state *s;
int s_io_memory;
@@ -314,4 +337,10 @@ void sh_serial_init (target_phys_addr_t base, int feat,
if (chr)
qemu_chr_add_handlers(chr, sh_serial_can_receive1, sh_serial_receive1,
sh_serial_event, s);
+
+ s->eri = eri_source;
+ s->rxi = rxi_source;
+ s->txi = txi_source;
+ s->tei = tei_source;
+ s->bri = bri_source;
}