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From: Antony Pavlov <antonynpavlov@gmail.com>
To: Sascha Hauer <s.hauer@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH v2 03/12] Add initial RISC-V architecture support
Date: Fri, 29 Jun 2018 16:17:40 +0300	[thread overview]
Message-ID: <20180629161740.cd2b37ab454953e326bda19e@gmail.com> (raw)
In-Reply-To: <20180629113255.idhib3zi3vma4nco@pengutronix.de>

On Fri, 29 Jun 2018 13:32:55 +0200
Sascha Hauer <s.hauer@pengutronix.de> wrote:

> On Fri, Jun 29, 2018 at 01:27:10PM +0300, Antony Pavlov wrote:
> > On Fri, 29 Jun 2018 09:29:08 +0200
> > > 
> > > Do you need these __bare_init* stuff? If not I would prefer to remove
> > > it.
> > 
> > 
> > Hmmm. You are right! I have not realized PBL for RISC-V yet so it's better
> > to drop all these bare_inits.
> 
> This isn't needed for PBL either. It is only for cases where the boot
> ROM only loads the initial image portion.
> 
> > > 
> > > > +static int of_riscv_init(void)
> > > > +{
> > > > +	struct device_node *root;
> > > > +
> > > > +	root = of_get_root_node();
> > > > +	if (root)
> > > > +		return 0;
> > > > +
> > > > +	root = of_unflatten_dtb(__dtb_start);
> > > > +	if (!IS_ERR(root)) {
> > > > +		pr_debug("using internal DTB\n");
> > > > +		of_set_root_node(root);
> > > > +		if (IS_ENABLED(CONFIG_OFDEVICE))
> > > > +			of_probe();
> > > > +	}
> > > 
> > > Can we just call of_unflatten_dtb()/of_set_root_node() from the board
> > > code and use obj-dtb-y to include the dtb?
> > > 
> > > That way a board can specify the dtb and not the config.
> > 
> > Good idea! MIPS code lacks this feature at the moment.
> > 
> > Can I use of_arm_init() as a reference?
> 
> Not sure what you mean. of_riscv_init() is nearly a copy of
> of_arm_init() already.

Actually of_riscv_init() is a copy of of_mips_init().

-- 
Best regards,
  Antony Pavlov

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  reply	other threads:[~2018-06-29 13:17 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-28  7:39 [PATCH v2 00/12] " Antony Pavlov
2018-06-28  7:39 ` [PATCH v2 01/12] lib: Add shared copies of some GCC library routines Antony Pavlov
2018-06-28  7:39 ` [PATCH v2 02/12] MIPS: Use generic GCC library routines from lib/ Antony Pavlov
2018-06-28  7:39 ` [PATCH v2 03/12] Add initial RISC-V architecture support Antony Pavlov
2018-06-29  7:29   ` Sascha Hauer
2018-06-29 10:27     ` Antony Pavlov
2018-06-29 11:32       ` Sascha Hauer
2018-06-29 13:17         ` Antony Pavlov [this message]
2018-06-28  7:39 ` [PATCH v2 04/12] RISC-V: add Erizo SoC support Antony Pavlov
2018-06-28  7:39 ` [PATCH v2 05/12] RISC-V: add low-level debug macros for ns16550 Antony Pavlov
2018-06-28  7:39 ` [PATCH v2 06/12] RISC-V: add nmon nano-monitor Antony Pavlov
2018-06-28  7:39 ` [PATCH v2 07/12] RISC-V: erizo: add DEBUG_LL support Antony Pavlov
2018-06-28  7:39 ` [PATCH v2 08/12] RISC-V: erizo: enable nmon Antony Pavlov
2018-06-28  7:39 ` [PATCH v2 09/12] RISC-V: erizo: add nmon image creation Antony Pavlov
2018-06-28  7:39 ` [PATCH v2 10/12] RISC-V: add erizo_generic_defconfig Antony Pavlov
2018-06-28  7:39 ` [PATCH v2 11/12] scripts: add nmon-loader Antony Pavlov
2018-06-28  7:39 ` [PATCH v2 12/12] Documentation: add RISC-V docs Antony Pavlov
2018-06-29  7:30 ` [PATCH v2 00/12] Add initial RISC-V architecture support Sascha Hauer

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