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From: Kevin Hilman <khilman@baylibre.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v7 00/15] SiFive FU540 Support
Date: Thu, 18 Apr 2019 16:16:17 -0700	[thread overview]
Message-ID: <7hzhomewfy.fsf@baylibre.com> (raw)
In-Reply-To: <875379d7-4127-40f0-c0e0-0d4c2e4c9dba@wdc.com>

Atish Patra <atish.patra@wdc.com> writes:

> On 4/18/19 12:15 PM, Kevin Hilman wrote:
>> Palmer, Anup,
>> 
>> On Tue, Mar 12, 2019 at 1:55 AM Palmer Dabbelt <palmer@sifive.com> wrote:
>>>
>>> On Mon, 11 Mar 2019 07:33:25 PDT (-0700), bmeng.cn at gmail.com wrote:
>>>> On Thu, Feb 14, 2019 at 7:58 AM Kevin Hilman <khilman@baylibre.com> wrote:
>>>>>
>>>>> Kevin Hilman <khilman@baylibre.com> writes:
>>>>>
>>>>>> Hi Anup,
>>>>>>
>>>>>> Anup Patel <Anup.Patel@wdc.com> writes:
>>>>>>
>>>>>>> This patchset adds SiFive Freedom Unleashed (FU540) support
>>>>>>> to RISC-V U-Boot.
>>>>>>>
>>>>>>> The patches are based upon latest U-Boot source tree
>>>>>>> (git://git.denx.de/u-boot.git) at commit id
>>>>>>> dbe70c7d4e3d5c705a98d82952e05a591efd0683
>>>>>>>
>>>>>>> All drivers namely: SiFive PRCI, SiFive Serial, and Cadance
>>>>>>> MACB Ethernet work fine on actual SiFive Unleashed board and
>>>>>>> QEMU sifive_u machine.
>>>>>>
>>>>>> I tested u-boot networking (DHCP, TFTP) on my desk with a gigE switch
>>>>>> and it worked fine.  Then, I moved it to a lab with a 100Mb switch,
>>>>>> and DHCP doesn't work anymore.
>>>>>
>>>>> And to be clear, neither does TFTP if setting static
>>>>> ipaddr/netmask/gatewayip etc.
>>>>
>>>> Sound to me a bug of the GEM driver on SiFive FU540 board.
>>>
>>> It looks to me like u-boot is missing a driver for the GEM clockmux in the
>>> FU540.  This is necessary to switch between the clock for 1G operation and 100M
>>> operation.  Without this you'll just get whatever clock was set up by the
>>> previous boot stage (or even worse, reset).
>> 
>> Anyone know if this is fixed in u-boot yet?  I've yet to try the
>> latest mainline u-boot, but will if if it's expected to work.
>> 
>
> I have not seen a GEM driver for FU540 board. So I guess it is not fixed 
> it. Is it a blocker for setting up kernelCI for RISC-V ?

Not really, that's only one of the remaining issue. For now, I have
connected it to a gigE switch, so u-boot networking is working.

But, the bigger blocker for kernelCI right now is not having
out-of-the-box mainline support.  Mainline is still missing a serial
driver, and a handful of Kconfig options in the default defconfig to
make things boot[1].

If I use the 'v5.1-rc4_unleashed' from your github, along with my
kconfig fragment[1], things are working well.

But in order to automate this for kernelCI, we need all of that
upstream.

Kevin

[1] This is the config fragment I'm adding to the default defconfig in
mainline.  I'm not exactly sure which ones are absolutely need for basic
boot.

CONFIG_SERIAL_SIFIVE=y
CONFIG_SERIAL_SIFIVE_CONSOLE=y
CONFIG_SIFIVE_PLIC=y
CONFIG_SPI=y
CONFIG_SPI_SIFIVE=y
CONFIG_GPIOLIB=y
CONFIG_GPIO_SIFIVE=y
CONFIG_PWM_SIFIVE=y
CONFIG_CLK_U54_PRCI=y
CONFIG_CLK_GEMGXL_MGMT=y

  reply	other threads:[~2019-04-18 23:16 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-11  5:41 [U-Boot] [PATCH v7 00/15] SiFive FU540 Support Anup Patel
2019-02-11  5:41 ` [U-Boot] [PATCH v7 01/15] riscv: Enable create symlink using kconfig Anup Patel
2019-02-11  7:45   ` Bin Meng
2019-02-11  5:41 ` [U-Boot] [PATCH v7 02/15] riscv: Rename cpu/qemu to cpu/generic Anup Patel
2019-02-11  5:41 ` [U-Boot] [PATCH v7 03/15] riscv: Add asm/dma-mapping.h for DMA mappings Anup Patel
2019-02-11  5:41 ` [U-Boot] [PATCH v7 04/15] riscv: Add place-holder asm/arch/clk.h for driver compilation Anup Patel
2019-02-11  7:47   ` Bin Meng
2019-02-11  5:41 ` [U-Boot] [PATCH v7 05/15] riscv: generic: Ensure that U-Boot runs within 4GB for 64bit systems Anup Patel
2019-02-11  5:41 ` [U-Boot] [PATCH v7 06/15] net: macb: Fix clk API usage for RISC-V systems Anup Patel
2019-02-11  5:42 ` [U-Boot] [PATCH v7 07/15] net: macb: Fix GEM hardware detection Anup Patel
2019-02-11  5:42 ` [U-Boot] [PATCH v7 08/15] clk: Add SiFive FU540 PRCI clock driver Anup Patel
2019-02-11  5:42 ` [U-Boot] [PATCH v7 09/15] clk: Add fixed-factor " Anup Patel
2019-02-11  5:42 ` [U-Boot] [PATCH v7 10/15] drivers: serial_sifive: Fix baud rate calculation Anup Patel
2019-02-11  5:42 ` [U-Boot] [PATCH v7 11/15] drivers: serial_sifive: Skip baudrate config if no input clock Anup Patel
2019-02-11  5:43 ` [U-Boot] [PATCH v7 12/15] cpu: Bind timer driver for boot hart Anup Patel
2019-02-11  5:43 ` [U-Boot] [PATCH v7 13/15] riscv: Add SiFive FU540 board support Anup Patel
2019-02-11  5:43 ` [U-Boot] [PATCH v7 14/15] doc: Add a readme guide for SiFive FU540 Anup Patel
2019-02-13  0:18   ` Kevin Hilman
2019-02-13  1:31     ` Atish Patra
2019-02-13  9:52       ` Auer, Lukas
2019-02-13 19:10         ` Atish Patra
2019-02-13 22:39       ` Kevin Hilman
2019-02-11  5:43 ` [U-Boot] [PATCH v7 15/15] riscv: Enable CONFIG_SYS_BOOT_RAMDISK_HIGH for using initrd Anup Patel
2019-02-11 15:37 ` [U-Boot] [PATCH v7 00/15] SiFive FU540 Support Andreas Schwab
2019-02-12  2:57   ` Anup Patel
2019-02-12  6:22     ` Alexander Graf
2019-02-12  6:35       ` Anup Patel
2019-02-12  7:00         ` Alexander Graf
2019-02-12  8:34     ` Andreas Schwab
2019-02-12  8:35       ` Bin Meng
2019-02-12  9:09         ` Andreas Schwab
2019-02-12 10:12           ` Bin Meng
2019-02-12 10:16             ` Alexander Graf
2019-02-12 10:22             ` Andreas Schwab
2019-02-13  1:31               ` Bin Meng
2019-02-13  3:51                 ` Anup Patel
2019-02-13  9:35                   ` Andreas Schwab
2019-02-13  9:46                     ` Auer, Lukas
2019-02-13  8:29                 ` Alexander Graf
2019-02-13  9:34                   ` Andreas Schwab
2019-02-13 23:44 ` Kevin Hilman
2019-02-13 23:58   ` Kevin Hilman
2019-03-11 14:33     ` Bin Meng
2019-03-12  8:55       ` Palmer Dabbelt
2019-04-18 19:14         ` Kevin Hilman
2019-04-18 20:05           ` Atish Patra
2019-04-18 23:16             ` Kevin Hilman [this message]
2019-04-19  0:51               ` Atish Patra
2019-04-19 20:38                 ` Kevin Hilman
2019-04-19 20:43                   ` Kevin Hilman
2019-04-20  2:56                     ` Atish Patra

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