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path: root/hw/gpio/omap_gpio.c
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Diffstat (limited to 'hw/gpio/omap_gpio.c')
-rw-r--r--hw/gpio/omap_gpio.c29
1 files changed, 21 insertions, 8 deletions
diff --git a/hw/gpio/omap_gpio.c b/hw/gpio/omap_gpio.c
index 3c538985ee..63d8b42674 100644
--- a/hw/gpio/omap_gpio.c
+++ b/hw/gpio/omap_gpio.c
@@ -21,6 +21,7 @@
#include "hw/hw.h"
#include "hw/arm/omap.h"
#include "hw/sysbus.h"
+#include "qemu/error-report.h"
struct omap_gpio_s {
qemu_irq irq;
@@ -682,7 +683,8 @@ static int omap_gpio_init(SysBusDevice *sbd)
struct omap_gpif_s *s = OMAP1_GPIO(dev);
if (!s->clk) {
- hw_error("omap-gpio: clk not connected\n");
+ error_report("omap-gpio: clk not connected");
+ return -1;
}
qdev_init_gpio_in(dev, omap_gpio_set, 16);
qdev_init_gpio_out(dev, s->omap1.handler, 16);
@@ -700,25 +702,35 @@ static int omap2_gpio_init(SysBusDevice *sbd)
int i;
if (!s->iclk) {
- hw_error("omap2-gpio: iclk not connected\n");
+ error_report("omap2-gpio: iclk not connected");
+ return -1;
}
+
+ s->modulecount = s->mpu_model < omap2430 ? 4
+ : s->mpu_model < omap3430 ? 5
+ : 6;
+
+ for (i = 0; i < s->modulecount; i++) {
+ if (!s->fclk[i]) {
+ error_report("omap2-gpio: fclk%d not connected", i);
+ return -1;
+ }
+ }
+
if (s->mpu_model < omap3430) {
- s->modulecount = (s->mpu_model < omap2430) ? 4 : 5;
memory_region_init_io(&s->iomem, OBJECT(s), &omap2_gpif_top_ops, s,
"omap2.gpio", 0x1000);
sysbus_init_mmio(sbd, &s->iomem);
- } else {
- s->modulecount = 6;
}
+
s->modules = g_new0(struct omap2_gpio_s, s->modulecount);
s->handler = g_new0(qemu_irq, s->modulecount * 32);
qdev_init_gpio_in(dev, omap2_gpio_set, s->modulecount * 32);
qdev_init_gpio_out(dev, s->handler, s->modulecount * 32);
+
for (i = 0; i < s->modulecount; i++) {
struct omap2_gpio_s *m = &s->modules[i];
- if (!s->fclk[i]) {
- hw_error("omap2-gpio: fclk%d not connected\n", i);
- }
+
m->revision = (s->mpu_model < omap3430) ? 0x18 : 0x25;
m->handler = &s->handler[i * 32];
sysbus_init_irq(sbd, &m->irq[0]); /* mpu irq */
@@ -728,6 +740,7 @@ static int omap2_gpio_init(SysBusDevice *sbd)
"omap.gpio-module", 0x1000);
sysbus_init_mmio(sbd, &m->iomem);
}
+
return 0;
}