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Re: [Qemu-devel] [PATCH v1 3/3] i.MX: Add GPIO device to i.MX25 SOC
From: |
Peter Crosthwaite |
Subject: |
Re: [Qemu-devel] [PATCH v1 3/3] i.MX: Add GPIO device to i.MX25 SOC |
Date: |
Sat, 5 Sep 2015 12:38:53 -0700 |
On Sat, Sep 5, 2015 at 1:17 AM, Jean-Christophe Dubois
<address@hidden> wrote:
> Signed-off-by: Jean-Christophe Dubois <address@hidden>
Same comments as for P2. Otherwise,
Reviewed-by: Peter Crosthwaite <address@hidden>
Regards,
Peter
> ---
> hw/arm/fsl-imx25.c | 31 +++++++++++++++++++++++++++++++
> include/hw/arm/fsl-imx25.h | 15 +++++++++++++++
> 2 files changed, 46 insertions(+)
>
> diff --git a/hw/arm/fsl-imx25.c b/hw/arm/fsl-imx25.c
> index 6d157c9..035b7a8 100644
> --- a/hw/arm/fsl-imx25.c
> +++ b/hw/arm/fsl-imx25.c
> @@ -63,6 +63,11 @@ static void fsl_imx25_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_IMX25_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_imx25_realize(DeviceState *dev, Error **errp)
> @@ -214,6 +219,32 @@ static void fsl_imx25_realize(DeviceState *dev, Error
> **errp)
> i2c_table[i].irq));
> }
>
> + /* Initialize all GPIO */
> + for (i = 0; i < FSL_IMX25_NUM_GPIOS; i++) {
> + static const struct {
> + hwaddr addr;
> + unsigned int irq;
> + } gpio_table[FSL_IMX25_NUM_GPIOS] = {
> + { FSL_IMX25_GPIO1_ADDR, FSL_IMX25_GPIO1_IRQ },
> + { FSL_IMX25_GPIO2_ADDR, FSL_IMX25_GPIO2_IRQ },
> + { FSL_IMX25_GPIO3_ADDR, FSL_IMX25_GPIO3_IRQ },
> + { FSL_IMX25_GPIO4_ADDR, FSL_IMX25_GPIO4_IRQ }
> + };
> +
> + /* Initialize the GPIO */
> + object_property_set_bool(OBJECT(&s->gpio[i]), true, "realized",
> &err);
> + if (err) {
> + error_propagate(errp, err);
> + return;
> + }
> + /* Map GPIO memory */
> + 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));
> + }
> +
> /* initialize 2 x 16 KB ROM */
> memory_region_init_rom_device(&s->rom[0], NULL, NULL, NULL,
> "imx25.rom0", FSL_IMX25_ROM0_SIZE, &err);
> diff --git a/include/hw/arm/fsl-imx25.h b/include/hw/arm/fsl-imx25.h
> index 7f6bb64..73f50c6 100644
> --- a/include/hw/arm/fsl-imx25.h
> +++ b/include/hw/arm/fsl-imx25.h
> @@ -25,6 +25,7 @@
> #include "hw/timer/imx_epit.h"
> #include "hw/net/imx_fec.h"
> #include "hw/i2c/imx_i2c.h"
> +#include "hw/gpio/imx_gpio.h"
> #include "exec/memory.h"
>
> #define TYPE_FSL_IMX25 "fsl,imx25"
> @@ -34,6 +35,7 @@
> #define FSL_IMX25_NUM_GPTS 4
> #define FSL_IMX25_NUM_EPITS 2
> #define FSL_IMX25_NUM_I2CS 3
> +#define FSL_IMX25_NUM_GPIOS 4
>
> typedef struct FslIMX25State {
> /*< private >*/
> @@ -48,6 +50,7 @@ typedef struct FslIMX25State {
> IMXEPITState epit[FSL_IMX25_NUM_EPITS];
> IMXFECState fec;
> IMXI2CState i2c[FSL_IMX25_NUM_I2CS];
> + IMXGPIOState gpio[FSL_IMX25_NUM_GPIOS];
> MemoryRegion rom[2];
> MemoryRegion iram;
> MemoryRegion iram_alias;
> @@ -204,6 +207,14 @@ typedef struct FslIMX25State {
> #define FSL_IMX25_EPIT1_SIZE 0x4000
> #define FSL_IMX25_EPIT2_ADDR 0x53F98000
> #define FSL_IMX25_EPIT2_SIZE 0x4000
> +#define FSL_IMX25_GPIO4_ADDR 0x53F9C000
> +#define FSL_IMX25_GPIO4_SIZE 0x4000
> +#define FSL_IMX25_GPIO3_ADDR 0x53FA4000
> +#define FSL_IMX25_GPIO3_SIZE 0x4000
> +#define FSL_IMX25_GPIO1_ADDR 0x53FCC000
> +#define FSL_IMX25_GPIO1_SIZE 0x4000
> +#define FSL_IMX25_GPIO2_ADDR 0x53FD0000
> +#define FSL_IMX25_GPIO2_SIZE 0x4000
> #define FSL_IMX25_AVIC_ADDR 0x68000000
> #define FSL_IMX25_AVIC_SIZE 0x4000
> #define FSL_IMX25_IRAM_ADDR 0x78000000
> @@ -230,5 +241,9 @@ typedef struct FslIMX25State {
> #define FSL_IMX25_I2C1_IRQ 3
> #define FSL_IMX25_I2C2_IRQ 4
> #define FSL_IMX25_I2C3_IRQ 10
> +#define FSL_IMX25_GPIO1_IRQ 52
> +#define FSL_IMX25_GPIO2_IRQ 51
> +#define FSL_IMX25_GPIO3_IRQ 16
> +#define FSL_IMX25_GPIO4_IRQ 23
>
> #endif /* FSL_IMX25_H */
> --
> 2.1.4
>
>
- [Qemu-devel] [PATCH v1 1/3] i.MX: Add GPIO device, (continued)
[Qemu-devel] [PATCH v1 2/3] i.MX: Add GPIO device to i.MX31 SOC, Jean-Christophe Dubois, 2015/09/05
[Qemu-devel] [PATCH v1 3/3] i.MX: Add GPIO device to i.MX25 SOC, Jean-Christophe Dubois, 2015/09/05
- Re: [Qemu-devel] [PATCH v1 3/3] i.MX: Add GPIO device to i.MX25 SOC,
Peter Crosthwaite <=