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Re: [PATCH] riscv: sifive_u: Add a "serial" property for board serial nu

From: Palmer Dabbelt
Subject: Re: [PATCH] riscv: sifive_u: Add a "serial" property for board serial number
Date: Thu, 21 Nov 2019 18:38:48 -0800 (PST)

On Thu, 21 Nov 2019 17:10:18 PST (-0800), address@hidden wrote:
On Sat, Nov 16, 2019 at 11:08 PM Bin Meng <address@hidden> wrote:

At present the board serial number is hard-coded to 1, and passed
to OTP model during initialization. Firmware (FSBL, U-Boot) uses
the serial number to generate a unique MAC address for the on-chip
ethernet controller. When multiple QEMU 'sifive_u' instances are
created and connected to the same subnet, they all have the same
MAC address hence it creates a unusable network.

A new "serial" property is introduced to specify the board serial
number. When not given, the default serial number 1 is used.

Signed-off-by: Bin Meng <address@hidden>

 hw/riscv/sifive_u.c         | 21 ++++++++++++++++++++-
 include/hw/riscv/sifive_u.h |  1 +
 2 files changed, 21 insertions(+), 1 deletion(-)


Sorry, it looks like I dropped this one.  I've put it in the queue for 5.0,
with a
Reviewed-by: Palmer Dabbelt <address@hidden>


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