diff options
| author | Jean-Christophe Dubois <jcd@tribudubois.net> | 2015-09-14 14:39:49 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2015-09-14 14:39:49 +0100 |
| commit | dde0c4ca6b849eb5c376f255767c019bb45a1d57 (patch) | |
| tree | 82e9a09c0a53ff2d22304815df9ff5de8935f76f | |
| parent | f4427280977902273f98280b2572d88b6ed53144 (diff) | |
i.MX: Add GPIO devices to i.MX31 SOC
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net>
Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Message-id: 60b67c9a8b948159f4b4163ead86fbf701c011c6.1441828793.git.jcd@tribudubois.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| -rw-r--r-- | hw/arm/fsl-imx31.c | 30 | ||||
| -rw-r--r-- | include/hw/arm/fsl-imx31.h | 12 |
2 files changed, 42 insertions, 0 deletions
diff --git a/hw/arm/fsl-imx31.c b/hw/arm/fsl-imx31.c index 87548c8352..8e1ed4811b 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 891166f2cc..5e8f795f98 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 */ |