From: via <qemu-devel@nongnu.org>
To: <alistair23@gmail.com>
Cc: <bmeng.cn@gmail.com>, <anup@brainfault.org>,
<Alistair.Francis@wdc.com>, <kbastian@mail.uni-paderborn.de>,
<palmerdabbelt@google.com>, <sagark@eecs.berkeley.edu>,
<qemu-devel@nongnu.org>, <qemu-riscv@nongnu.org>,
<peter.maydell@linaro.org>, <alistair@alistair23.me>,
<qemu-block@nongnu.org>, <jasowang@redhat.com>,
<bin.meng@windriver.com>, <pbonzini@redhat.com>,
<palmer@dabbelt.com>, <qemu-arm@nongnu.org>,
<marcandre.lureau@redhat.com>, <edgar.iglesias@gmail.com>,
<philmd@redhat.com>
Subject: Re: [PATCH 00/18] hw/riscv: Add Microchip PolarFire SoC Icicle Kit board support
Date: Mon, 17 Aug 2020 19:53:46 +0000 [thread overview]
Message-ID: <d3f61c2c-a489-887e-0143-4d9a1e66e6f2@microchip.com> (raw)
In-Reply-To: <CAKmqyKM3nm0rhxgDvWKWfO+4b23ZLSkHW2TzmcVZ_ZFy4L7MRg@mail.gmail.com>
On 8/17/20 8:28 PM, Alistair Francis wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>
> On Mon, Aug 17, 2020 at 11:12 AM via <qemu-devel@nongnu.org> wrote:
>> Hi Anup,
>>
>> On 8/17/20 11:30 AM, Bin Meng wrote:
>>> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>>>
>>> Hi Anup,
>>>
>>> On Sat, Aug 15, 2020 at 1:44 AM Anup Patel <anup@brainfault.org> wrote:
>>>> On Fri, Aug 14, 2020 at 10:12 PM Bin Meng <bmeng.cn@gmail.com> wrote:
>>>>> From: Bin Meng <bin.meng@windriver.com>
>>>>>
>>>>> This adds support for Microchip PolarFire SoC Icicle Kit board.
>>>>> The Icicle Kit board integrates a PolarFire SoC, with one SiFive's
>>>>> E51 plus four U54 cores and many on-chip peripherals and an FPGA.
>>>> Nice Work !!! This is very helpful.
>>> Thanks!
>>>
>>>> The Microchip HSS is quite convoluted. It has:
>>>> 1. DDR Init
>>>> 2. Boot device support
>>>> 3. SBI support using OpenSBI as library
>>>> 4. Simple TEE support
>>>>
>>>> I think point 1) and 2) above should be part of U-Boot SPL.
>>>> The point 3) can be OpenSBI FW_DYNAMIC.
>>>>
>>>> Lastly,for point 4), we are working on a new OpenSBI feature using
>>>> which we can run independent Secure OS and Non-Secure OS using
>>>> U-Boot_SPL+OpenSBI (for both SiFive Unleashed and Microchip
>>>> PolarFire).
>>>>
>>>> Do you have plans for adding U-Boot SPL support for this board ??
>>> + Cyril Jean from Microchip
>>>
>>> I will have to leave this question to Cyril to comment.
>>>
>> I currently do not have a plan to support U-Boot SPL. The idea of the
>> HSS is to contain all the silicon specific initialization and
>> configuration code within the HSS before jumping to U-Boot S-mode. I
>> would rather keep all this within the HSS for the time being. I would
>> wait until we reach production silicon before attempting to move this to
>> U-Boot SPL as the HSS is likely to contain some opaque silicon related
>> changes for another while.
> That is unfortunate, a lot of work has gone into making the boot flow
> simple and easy to use.
>
> QEMU now includes OpenSBI by default to make it easy for users to boot
> Linux. The Icicle Kit board is now the most difficult QEMU board to
> boot Linux on. Not to mention it makes it hard to impossible to
> support it in standard tool flows such as meta-riscv.
>
> Alistair
If it is such a problem we can add a U-Boot SPL stage and the HSS can be
treated as standard SoC ROM code.
Cyril.
next prev parent reply other threads:[~2020-08-17 19:54 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-14 16:40 [PATCH 00/18] hw/riscv: Add Microchip PolarFire SoC Icicle Kit board support Bin Meng
2020-08-14 16:40 ` [PATCH 01/18] target/riscv: cpu: Add a new 'resetvec' property Bin Meng
2020-08-17 17:49 ` Alistair Francis
2020-08-14 16:40 ` [PATCH 02/18] hw/riscv: hart: " Bin Meng
2020-08-17 17:49 ` Alistair Francis
2020-08-14 16:40 ` [PATCH 03/18] target/riscv: cpu: Set reset vector based on the configured property value Bin Meng
2020-08-17 17:52 ` Alistair Francis
2020-08-14 16:40 ` [PATCH 04/18] hw/riscv: Initial support for Microchip PolarFire SoC Icicle Kit board Bin Meng
2020-08-17 19:39 ` Alistair Francis
2020-08-14 16:40 ` [PATCH 05/18] hw/char: Add Microchip PolarFire SoC MMUART emulation Bin Meng
2020-08-17 20:51 ` Alistair Francis
2020-08-14 16:40 ` [PATCH 06/18] hw/riscv: microchip_pfsoc: Connect 5 MMUARTs Bin Meng
2020-08-17 21:06 ` Alistair Francis
2020-08-14 16:40 ` [PATCH 07/18] hw/sd: sd: Fix incorrect populated function switch status data structure Bin Meng
2020-08-15 7:58 ` Philippe Mathieu-Daudé
2020-08-18 16:30 ` Sai Pavan Boddu
2020-08-21 10:09 ` Sai Pavan Boddu
2020-08-21 10:08 ` Bin Meng
2020-08-24 4:13 ` Sai Pavan Boddu
2020-08-14 16:40 ` [PATCH 08/18] hw/sd: sd: Correctly set the high capacity bit Bin Meng
2020-08-15 8:38 ` Philippe Mathieu-Daudé
2020-08-16 8:54 ` Bin Meng
2020-08-14 16:40 ` [PATCH 09/18] hw/sd: sdhci: Make sdhci_poweron_reset() internal visible Bin Meng
2020-08-15 7:51 ` Philippe Mathieu-Daudé
2020-08-16 8:50 ` Bin Meng
2020-08-16 11:06 ` Philippe Mathieu-Daudé
2020-08-14 16:40 ` [PATCH 10/18] hw/sd: Add Cadence SDHCI emulation Bin Meng
2020-08-15 8:51 ` Philippe Mathieu-Daudé
2020-08-14 16:40 ` [PATCH 11/18] hw/riscv: microchip_pfsoc: Connect a Cadence SDHCI controller and an SD card Bin Meng
2020-08-15 8:55 ` Philippe Mathieu-Daudé
2020-08-14 16:40 ` [PATCH 12/18] hw/dma: Add Microchip PolarFire Soc DMA controller emulation Bin Meng
2020-08-14 16:40 ` [PATCH 13/18] hw/riscv: microchip_pfsoc: Connect a DMA controller Bin Meng
2020-08-15 9:00 ` Philippe Mathieu-Daudé
2020-08-16 8:57 ` Bin Meng
2020-08-16 11:08 ` Philippe Mathieu-Daudé
2020-08-14 16:40 ` [PATCH 14/18] hw/net: cadence_gem: Add a new 'phy-addr' property Bin Meng
2020-08-15 9:06 ` Philippe Mathieu-Daudé
2020-08-16 8:29 ` Bin Meng
2020-08-16 11:14 ` Philippe Mathieu-Daudé
2020-08-16 12:08 ` Nathan Rossi
2020-08-16 13:42 ` Bin Meng
2020-08-16 16:31 ` Philippe Mathieu-Daudé
2020-08-14 16:40 ` [PATCH 15/18] hw/riscv: microchip_pfsoc: Connect 2 Cadence GEMs Bin Meng
2020-08-21 18:46 ` Alistair Francis
2020-08-14 16:40 ` [PATCH 16/18] hw/riscv: microchip_pfsoc: Hook GPIO controllers Bin Meng
2020-08-21 18:47 ` Alistair Francis
2020-08-14 16:40 ` [PATCH 17/18] hw/riscv: clint: Avoid using hard-coded timebase frequency Bin Meng
2020-08-25 18:33 ` Alistair Francis
2020-08-14 16:40 ` [PATCH 18/18] hw/riscv: microchip_pfsoc: Document the software used for testing Bin Meng
2020-08-21 18:51 ` Alistair Francis
2020-08-14 17:44 ` [PATCH 00/18] hw/riscv: Add Microchip PolarFire SoC Icicle Kit board support Anup Patel
2020-08-17 10:30 ` Bin Meng
2020-08-17 15:44 ` via
2020-08-17 19:28 ` Alistair Francis
2020-08-17 19:53 ` via [this message]
2020-08-18 6:17 ` Anup Patel
2020-08-18 13:09 ` via
2020-08-18 13:55 ` Anup Patel
2020-08-19 1:34 ` Bin Meng
2020-08-19 10:13 ` via
2020-08-21 18:23 ` Alistair Francis
2020-08-14 18:10 ` no-reply
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