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Re: [PATCH 5/7] hw/arm/mps2: Add I2C busses on FPGA APB
From: |
Peter Maydell |
Subject: |
Re: [PATCH 5/7] hw/arm/mps2: Add I2C busses on FPGA APB |
Date: |
Tue, 16 Jun 2020 11:21:45 +0100 |
On Tue, 16 Jun 2020 at 07:32, Philippe Mathieu-Daudé <f4bug@amsat.org> wrote:
>
> There are 4 different I2C peripherals on the FPGA APB.
>
> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
> ---
> hw/arm/mps2.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/hw/arm/mps2.c b/hw/arm/mps2.c
> index 4a49bfa9b9..6224d7a63c 100644
> --- a/hw/arm/mps2.c
> +++ b/hw/arm/mps2.c
> @@ -321,6 +321,7 @@ static void mps2_common_init(MachineState *machine)
> create_unimplemented_device("cmsdk-ahb-gpio", gpiobase[i], 0x1000);
> }
>
> + /* FPGA APB */
> sysbus_init_child_obj(OBJECT(mms), "scc", &mms->scc,
> sizeof(mms->scc), TYPE_MPS2_SCC);
> sccdev = DEVICE(&mms->scc);
> @@ -330,6 +331,12 @@ static void mps2_common_init(MachineState *machine)
> object_property_set_bool(OBJECT(&mms->scc), true, "realized",
> &error_fatal);
> sysbus_mmio_map(SYS_BUS_DEVICE(sccdev), 0, 0x4002f000);
> + for (i = 0; i < 4; i++) {
> + static const hwaddr i2cbase[] = {0x40022000, 0x40023000,
> + 0x40029000, 0x4002a000};
> +
> + sysbus_create_simple("versatile_i2c", i2cbase[i], NULL);
> + }
Is this device really the same as the I2C controller h/w
on the versatile board ?
thanks
-- PMM
- [PATCH 0/7] mps2: Add few more peripherals, Philippe Mathieu-Daudé, 2020/06/16
- [PATCH 1/7] hw/arm/mps2: Rename CMSDK AHB peripheral region, Philippe Mathieu-Daudé, 2020/06/16
- [PATCH 2/7] hw/arm/mps2: Rename dualtimer as apb-dualtimer, Philippe Mathieu-Daudé, 2020/06/16
- [PATCH 3/7] hw/arm/mps2: Add CMSDK APB watchdog as unimplemented device, Philippe Mathieu-Daudé, 2020/06/16
- [PATCH 5/7] hw/arm/mps2: Add I2C busses on FPGA APB, Philippe Mathieu-Daudé, 2020/06/16
- Re: [PATCH 5/7] hw/arm/mps2: Add I2C busses on FPGA APB,
Peter Maydell <=
- [PATCH 6/7] hw/arm/mps2: Map the FPGA I/O block, Philippe Mathieu-Daudé, 2020/06/16
- [PATCH 4/7] hw/arm/mps2: Add CMSDK AHB GPIO peripherals as unimplemented devices, Philippe Mathieu-Daudé, 2020/06/16
- [PATCH 7/7] hw/misc/mps2-fpgaio: Implement push-buttons, Philippe Mathieu-Daudé, 2020/06/16