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Re: [Qemu-devel] [Qemu-arm] [PATCH 05/22] hw/arm/mps2: Wire up dual-time
From: |
Philippe Mathieu-Daudé |
Subject: |
Re: [Qemu-devel] [Qemu-arm] [PATCH 05/22] hw/arm/mps2: Wire up dual-timer in mps2-an385 and mps2-an511 |
Date: |
Tue, 21 Aug 2018 03:43:50 -0300 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 |
On 08/20/2018 11:10 AM, Peter Maydell wrote:
> The MPS2 FPGA images for the Cortex-M3 (mps2-an385 and mps2-511)
> both include a CMSDK dual-timer module. Wire this up.
>
> Signed-off-by: Peter Maydell <address@hidden>
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
> ---
> hw/arm/mps2.c | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/hw/arm/mps2.c b/hw/arm/mps2.c
> index 0a0ae867d9b..564624629d0 100644
> --- a/hw/arm/mps2.c
> +++ b/hw/arm/mps2.c
> @@ -34,6 +34,7 @@
> #include "hw/misc/unimp.h"
> #include "hw/char/cmsdk-apb-uart.h"
> #include "hw/timer/cmsdk-apb-timer.h"
> +#include "hw/timer/cmsdk-apb-dualtimer.h"
> #include "hw/misc/mps2-scc.h"
> #include "hw/devices.h"
> #include "net/net.h"
> @@ -64,6 +65,7 @@ typedef struct {
> MemoryRegion blockram_m3;
> MemoryRegion sram;
> MPS2SCC scc;
> + CMSDKAPBDualTimer dualtimer;
> } MPS2MachineState;
>
> #define TYPE_MPS2_MACHINE "mps2"
> @@ -297,6 +299,15 @@ static void mps2_common_init(MachineState *machine)
> cmsdk_apb_timer_create(0x40000000, qdev_get_gpio_in(armv7m, 8),
> SYSCLK_FRQ);
> cmsdk_apb_timer_create(0x40001000, qdev_get_gpio_in(armv7m, 9),
> SYSCLK_FRQ);
>
> + sysbus_init_child_obj(OBJECT(mms), "dualtimer", &mms->dualtimer,
> + sizeof(mms->dualtimer), TYPE_CMSDK_APB_DUALTIMER);
> + qdev_prop_set_uint32(DEVICE(&mms->dualtimer), "pclk-frq", SYSCLK_FRQ);
> + object_property_set_bool(OBJECT(&mms->dualtimer), true, "realized",
> + &error_fatal);
> + sysbus_connect_irq(SYS_BUS_DEVICE(&mms->dualtimer), 0,
> + qdev_get_gpio_in(armv7m, 10));
> + sysbus_mmio_map(SYS_BUS_DEVICE(&mms->dualtimer), 0, 0x40002000);
> +
> object_initialize(&mms->scc, sizeof(mms->scc), TYPE_MPS2_SCC);
> sccdev = DEVICE(&mms->scc);
> qdev_set_parent_bus(sccdev, sysbus_get_default());
>
- [Qemu-devel] [PATCH 00/22] MPS devices: FPGAIO, timer, watchdogs, MSC, DMA, SPI, Peter Maydell, 2018/08/20
- [Qemu-devel] [PATCH 05/22] hw/arm/mps2: Wire up dual-timer in mps2-an385 and mps2-an511, Peter Maydell, 2018/08/20
- [Qemu-devel] [PATCH 02/22] hw/misc/mps2-fpgaio: Implement PSCNTR and COUNTER, Peter Maydell, 2018/08/20
- [Qemu-devel] [PATCH 04/22] hw/arm/iotkit: Wire up the dualtimer, Peter Maydell, 2018/08/20
- [Qemu-devel] [PATCH 06/22] hw/arm/iotkit: Wire up the watchdogs, Peter Maydell, 2018/08/20
- [Qemu-devel] [PATCH 01/22] hw/misc/mps2-fpgaio: Implement 1Hz and 100Hz counters, Peter Maydell, 2018/08/20