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Diffstat (limited to 'hw/mcf5208.c')
-rw-r--r--hw/mcf5208.c95
1 files changed, 45 insertions, 50 deletions
diff --git a/hw/mcf5208.c b/hw/mcf5208.c
index f9ae588c2d..71ba3fb0a2 100644
--- a/hw/mcf5208.c
+++ b/hw/mcf5208.c
@@ -40,9 +40,10 @@ static void m5208_timer_update(m5208_timer_state *s)
qemu_irq_lower(s->irq);
}
-static void m5208_timer_write(m5208_timer_state *s, int offset,
+static void m5208_timer_write(void *opaque, target_phys_addr_t offset,
uint32_t value)
{
+ m5208_timer_state *s = (m5208_timer_state *)opaque;
int prescale;
int limit;
switch (offset) {
@@ -88,8 +89,9 @@ static void m5208_timer_write(m5208_timer_state *s, int offset,
case 4:
break;
default:
- /* Should never happen. */
- abort();
+ cpu_abort(cpu_single_env, "m5208_timer_write: Bad offset 0x%x\n",
+ (int)offset);
+ break;
}
m5208_timer_update(s);
}
@@ -101,31 +103,39 @@ static void m5208_timer_trigger(void *opaque)
m5208_timer_update(s);
}
-typedef struct {
- m5208_timer_state timer[2];
-} m5208_sys_state;
+static uint32_t m5208_timer_read(void *opaque, target_phys_addr_t addr)
+{
+ m5208_timer_state *s = (m5208_timer_state *)opaque;
+ switch (addr) {
+ case 0:
+ return s->pcsr;
+ case 2:
+ return s->pmr;
+ case 4:
+ return ptimer_get_count(s->timer);
+ default:
+ cpu_abort(cpu_single_env, "m5208_timer_read: Bad offset 0x%x\n",
+ (int)addr);
+ return 0;
+ }
+}
+
+static CPUReadMemoryFunc *m5208_timer_readfn[] = {
+ m5208_timer_read,
+ m5208_timer_read,
+ m5208_timer_read
+};
+
+static CPUWriteMemoryFunc *m5208_timer_writefn[] = {
+ m5208_timer_write,
+ m5208_timer_write,
+ m5208_timer_write
+};
static uint32_t m5208_sys_read(void *opaque, target_phys_addr_t addr)
{
- m5208_sys_state *s = (m5208_sys_state *)opaque;
switch (addr) {
- /* PIT0 */
- case 0xfc080000:
- return s->timer[0].pcsr;
- case 0xfc080002:
- return s->timer[0].pmr;
- case 0xfc080004:
- return ptimer_get_count(s->timer[0].timer);
- /* PIT1 */
- case 0xfc084000:
- return s->timer[1].pcsr;
- case 0xfc084002:
- return s->timer[1].pmr;
- case 0xfc084004:
- return ptimer_get_count(s->timer[1].timer);
-
- /* SDRAM Controller. */
- case 0xfc0a8110: /* SDCS0 */
+ case 0x110: /* SDCS0 */
{
int n;
for (n = 0; n < 32; n++) {
@@ -134,7 +144,7 @@ static uint32_t m5208_sys_read(void *opaque, target_phys_addr_t addr)
}
return (n - 1) | 0x40000000;
}
- case 0xfc0a8114: /* SDCS1 */
+ case 0x114: /* SDCS1 */
return 0;
default:
@@ -147,25 +157,8 @@ static uint32_t m5208_sys_read(void *opaque, target_phys_addr_t addr)
static void m5208_sys_write(void *opaque, target_phys_addr_t addr,
uint32_t value)
{
- m5208_sys_state *s = (m5208_sys_state *)opaque;
- switch (addr) {
- /* PIT0 */
- case 0xfc080000:
- case 0xfc080002:
- case 0xfc080004:
- m5208_timer_write(&s->timer[0], addr & 0xf, value);
- return;
- /* PIT1 */
- case 0xfc084000:
- case 0xfc084002:
- case 0xfc084004:
- m5208_timer_write(&s->timer[1], addr & 0xf, value);
- return;
- default:
- cpu_abort(cpu_single_env, "m5208_sys_write: Bad offset 0x%x\n",
- (int)addr);
- break;
- }
+ cpu_abort(cpu_single_env, "m5208_sys_write: Bad offset 0x%x\n",
+ (int)addr);
}
static CPUReadMemoryFunc *m5208_sys_readfn[] = {
@@ -183,22 +176,24 @@ static CPUWriteMemoryFunc *m5208_sys_writefn[] = {
static void mcf5208_sys_init(qemu_irq *pic)
{
int iomemtype;
- m5208_sys_state *s;
+ m5208_timer_state *s;
QEMUBH *bh;
int i;
- s = (m5208_sys_state *)qemu_mallocz(sizeof(m5208_sys_state));
iomemtype = cpu_register_io_memory(0, m5208_sys_readfn,
- m5208_sys_writefn, s);
+ m5208_sys_writefn, NULL);
/* SDRAMC. */
cpu_register_physical_memory(0xfc0a8000, 0x00004000, iomemtype);
/* Timers. */
for (i = 0; i < 2; i++) {
- bh = qemu_bh_new(m5208_timer_trigger, &s->timer[i]);
- s->timer[i].timer = ptimer_init(bh);
+ s = (m5208_timer_state *)qemu_mallocz(sizeof(m5208_timer_state));
+ bh = qemu_bh_new(m5208_timer_trigger, s);
+ s->timer = ptimer_init(bh);
+ iomemtype = cpu_register_io_memory(0, m5208_timer_readfn,
+ m5208_timer_writefn, s);
cpu_register_physical_memory(0xfc080000 + 0x4000 * i, 0x00004000,
iomemtype);
- s->timer[i].irq = pic[4 + i];
+ s->irq = pic[4 + i];
}
}