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Re: [Qemu-devel] [PATCH] raspi: Add Raspberry Pi 1 support

From: Andrew Baumann
Subject: Re: [Qemu-devel] [PATCH] raspi: Add Raspberry Pi 1 support
Date: Sat, 8 Apr 2017 05:57:32 +0000

Hi Omar,

> From: Omar Rizwan [mailto:address@hidden
> Sent: Friday, 7 April 2017 22:43

Did you do any testing of this? One of the reasons I never got around to 
upstreaming this was that I couldn't get Raspbian working reliably (there was 
some problem with stalled DMA reads from the MMC controller), and I didn't have 
the cycles to debug it further. Also, IIRC Raspbian on pi1 depended on the 
system timer devices, so it might not make sense to have this board-level 
support without adding that first.

> --- a/hw/arm/bcm2835_peripherals.c
> +++ b/hw/arm/bcm2835_peripherals.c
> @@ -34,6 +34,7 @@ static void bcm2835_peripherals_init(Object *obj)
>      /* Internal memory region for peripheral bus addresses (not exported) */
>      memory_region_init(&s->gpu_bus_mr, obj, "bcm2835-gpu", (uint64_t)1 <<
> 32);
>      object_property_add_child(obj, "gpu-bus", OBJECT(&s->gpu_bus_mr),
> NULL);
> +    sysbus_init_mmio(SYS_BUS_DEVICE(s), &s->gpu_bus_mr);
>      /* Internal memory region for request/response communication with
>       * mailbox-addressable peripherals (not exported)

This line looks like it might have snuck in by accident?


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