From: Jean-Christophe Dubois <j...@tribudubois.net>
Signed-off-by: Jean-Christophe Dubois <j...@tribudubois.net>
Reviewed-by: Peter Crosthwaite <crosthwaite.pe...@gmail.com>
Message-id:
60b67c9a8b948159f4b4163ead86fbf701c011c6.1441828793.git....@tribudubois.net
Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
---
hw/arm/fsl-imx31.c | 30 ++++++++++++++++++++++++++++++
include/hw/arm/fsl-imx31.h | 12 ++++++++++++
2 files changed, 42 insertions(+)
diff --git a/hw/arm/fsl-imx31.c b/hw/arm/fsl-imx31.c
index 87548c8..8e1ed48 100644
--- a/hw/arm/fsl-imx31.c
+++ b/hw/arm/fsl-imx31.c
@@ -55,6 +55,11 @@ static void fsl_imx31_init(Object *obj)
object_initialize(&s->i2c[i], sizeof(s->i2c[i]), TYPE_IMX_I2C);
qdev_set_parent_bus(DEVICE(&s->i2c[i]), sysbus_get_default());
}
+
+ for (i = 0; i < FSL_IMX31_NUM_GPIOS; i++) {
+ object_initialize(&s->gpio[i], sizeof(s->gpio[i]), TYPE_IMX_GPIO);
+ qdev_set_parent_bus(DEVICE(&s->gpio[i]), sysbus_get_default());
+ }
}
static void fsl_imx31_realize(DeviceState *dev, Error **errp)
@@ -184,6 +189,31 @@ static void fsl_imx31_realize(DeviceState *dev, Error
**errp)
i2c_table[i].irq));
}
+ /* Initialize all GPIOs */
+ for (i = 0; i < FSL_IMX31_NUM_GPIOS; i++) {
+ static const struct {
+ hwaddr addr;
+ unsigned int irq;
+ } gpio_table[FSL_IMX31_NUM_GPIOS] = {
+ { FSL_IMX31_GPIO1_ADDR, FSL_IMX31_GPIO1_IRQ },
+ { FSL_IMX31_GPIO2_ADDR, FSL_IMX31_GPIO2_IRQ },
+ { FSL_IMX31_GPIO3_ADDR, FSL_IMX31_GPIO3_IRQ }
+ };
+
+ object_property_set_bool(OBJECT(&s->gpio[i]), false, "has-edge-sel",
+ &error_abort);
+ object_property_set_bool(OBJECT(&s->gpio[i]), true, "realized", &err);
+ if (err) {
+ error_propagate(errp, err);
+ return;
+ }
+ sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpio[i]), 0, gpio_table[i].addr);
+ /* Connect GPIO IRQ to PIC */
+ sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio[i]), 0,
+ qdev_get_gpio_in(DEVICE(&s->avic),
+ gpio_table[i].irq));
+ }
+
/* On a real system, the first 16k is a `secure boot rom' */
memory_region_init_rom_device(&s->secure_rom, NULL, NULL, NULL,
"imx31.secure_rom",
diff --git a/include/hw/arm/fsl-imx31.h b/include/hw/arm/fsl-imx31.h
index 891166f..5e8f795 100644
--- a/include/hw/arm/fsl-imx31.h
+++ b/include/hw/arm/fsl-imx31.h
@@ -24,6 +24,7 @@
#include "hw/timer/imx_gpt.h"
#include "hw/timer/imx_epit.h"
#include "hw/i2c/imx_i2c.h"
+#include "hw/gpio/imx_gpio.h"
#include "exec/memory.h"
#define TYPE_FSL_IMX31 "fsl,imx31"
@@ -32,6 +33,7 @@
#define FSL_IMX31_NUM_UARTS 2
#define FSL_IMX31_NUM_EPITS 2
#define FSL_IMX31_NUM_I2CS 3
+#define FSL_IMX31_NUM_GPIOS 3
typedef struct FslIMX31State {
/*< private >*/
@@ -45,6 +47,7 @@ typedef struct FslIMX31State {
IMXGPTState gpt;
IMXEPITState epit[FSL_IMX31_NUM_EPITS];
IMXI2CState i2c[FSL_IMX31_NUM_I2CS];
+ IMXGPIOState gpio[FSL_IMX31_NUM_GPIOS];
MemoryRegion secure_rom;
MemoryRegion rom;
MemoryRegion iram;
@@ -77,6 +80,12 @@ typedef struct FslIMX31State {
#define FSL_IMX31_EPIT1_SIZE 0x4000
#define FSL_IMX31_EPIT2_ADDR 0x53F98000
#define FSL_IMX31_EPIT2_SIZE 0x4000
+#define FSL_IMX31_GPIO3_ADDR 0x53FA4000
+#define FSL_IMX31_GPIO3_SIZE 0x4000
+#define FSL_IMX31_GPIO1_ADDR 0x53FCC000
+#define FSL_IMX31_GPIO1_SIZE 0x4000
+#define FSL_IMX31_GPIO2_ADDR 0x53FD0000
+#define FSL_IMX31_GPIO2_SIZE 0x4000
#define FSL_IMX31_AVIC_ADDR 0x68000000
#define FSL_IMX31_AVIC_SIZE 0x100
#define FSL_IMX31_SDRAM0_ADDR 0x80000000
@@ -106,5 +115,8 @@ typedef struct FslIMX31State {
#define FSL_IMX31_I2C1_IRQ 10
#define FSL_IMX31_I2C2_IRQ 4
#define FSL_IMX31_I2C3_IRQ 3
+#define FSL_IMX31_GPIO1_IRQ 52
+#define FSL_IMX31_GPIO2_IRQ 51
+#define FSL_IMX31_GPIO3_IRQ 56
#endif /* FSL_IMX31_H */
--
1.9.1
