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[Qemu-devel] [4397] SH4 serial controler improvements
From: |
Aurelien Jarno |
Subject: |
[Qemu-devel] [4397] SH4 serial controler improvements |
Date: |
Fri, 09 May 2008 18:46:04 +0000 |
Revision: 4397
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=4397
Author: aurel32
Date: 2008-05-09 18:46:04 +0000 (Fri, 09 May 2008)
Log Message:
-----------
SH4 serial controler improvements
(Shin-ichiro KAWASAKI)
Modified Paths:
--------------
trunk/hw/sh.h
trunk/hw/sh7750.c
trunk/hw/sh_serial.c
Modified: trunk/hw/sh.h
===================================================================
--- trunk/hw/sh.h 2008-05-09 18:45:55 UTC (rev 4396)
+++ trunk/hw/sh.h 2008-05-09 18:46:04 UTC (rev 4397)
@@ -35,7 +35,12 @@
/* 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);
Modified: trunk/hw/sh7750.c
===================================================================
--- trunk/hw/sh7750.c 2008-05-09 18:45:55 UTC (rev 4396)
+++ trunk/hw/sh7750.c 2008-05-09 18:46:04 UTC (rev 4397)
@@ -556,9 +556,19 @@
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,
Modified: trunk/hw/sh_serial.c
===================================================================
--- trunk/hw/sh_serial.c 2008-05-09 18:45:55 UTC (rev 4396)
+++ trunk/hw/sh_serial.c 2008-05-09 18:46:04 UTC (rev 4397)
@@ -55,6 +55,12 @@
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 @@
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 @@
#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 @@
};
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 @@
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;
}
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