Re: [PATCH 1/2] rockchip: rk3588: Add SPINAND as boot device

[Slawomir Stepien <sst@poczta.fm>]

On lis 03, 2023 11:03, Jonas Karlman wrote:
> On 2023-11-03 10:34, Slawomir Stepien wrote:
> > Hi Jonas and Kever
> > 
> > Thanks for clarifying the situation Kever! Please see below my proposition. What do you think?
> 
> Yes, this matches my proposition at [1], and I have a series queued now
> that we have gotten the answer.
> 
> Have included your commit to enable ROCKCHIP_SPI_IMAGE on Orange Pi 5
> Plus, John Clark's commit to enable on NanoPC-T6 my own to enable on
> Orange Pi 5.
> 
> Should hit the list later today after full runtime testing.

Lovely, thank you! I have read all your comments from below. I'm trusting your judgment.

> > On lis 02, 2023 15:27, Kever Yang wrote:
> >> Hi Jonas,
> >>
> >> On 2023/11/1 00:45, Jonas Karlman wrote:
> >>> On 2023-10-31 17:13, Slawomir Stepien wrote:
> >>>> Mark the flash@0 as BROM_BOOTSOURCE_SPINAND.
> >>>> Fixes use of same-as-spl in u-boot,spl-boot-order prop on Orange Pi 5
> >>>> Plus.
> >>>>
> >>>> Signed-off-by: Slawomir Stepien <sst@poczta.fm>
> >>>> ---
> >>>>   arch/arm/mach-rockchip/rk3588/rk3588.c | 1 +
> >>>>   1 file changed, 1 insertion(+)
> >>>>
> >>>> diff --git a/arch/arm/mach-rockchip/rk3588/rk3588.c b/arch/arm/mach-rockchip/rk3588/rk3588.c
> >>>> index b1f535fad5..0c8f10a97c 100644
> >>>> --- a/arch/arm/mach-rockchip/rk3588/rk3588.c
> >>>> +++ b/arch/arm/mach-rockchip/rk3588/rk3588.c
> >>>> @@ -42,6 +42,7 @@ const char * const boot_devices[BROM_LAST_BOOTSOURCE + 1] = {
> >>>>   	[BROM_BOOTSOURCE_SPINOR] = "/spi@fe2b0000/flash@0",
> >>>>   	[BROM_BOOTSOURCE_SD] = "/mmc@fe2c0000",
> >>>>   	[BROM_BOOTSOURCE_SPINOR_RK3588] = "/spi@fe2b0000/flash@0",
> >>>> +	[BROM_BOOTSOURCE_SPINAND] = "/spi@fe2b0000/flash@0",
> >>> This is not correct, please see [1] for an open discussion on this issue.
> >>>
> >>> Kever: Do you have any more insights into the question on [1].
> >>
> >> As I reply in another mail, the FSPI M0~M2 is all the option for SPI
> >> NAND/NOR in rk3588.
> > 
> > So based on that info, something like this?:
> > 
> > 1. BROM_BOOTSOURCE_SPINAND - removed (not used at all).
> 
> Should not be removed, because this is still valid for old generation
> SoCs.
> 
> > 2. BROM_BOOTSOURCE_SPINOR_RK3588 - removed (not needed after this patch).
> 
> Yes, this should be replaced with FSPI_M2.
> 
> > 3. Updated also the rk3568.c since it also has FSPI M0 (only this one mux), so I would assume it
> > will be value of 3 there too.
> 
> No need to change this, the RK356x does not have iomux on fspi, so lets
> treat this as an old generation SoCs.
> 
> > 4. The BROM_BOOTSOURCE_SPINOR is still there, since the rk3399 does not use the FSPI (that is my
> > understanding after checking the TRM doc).
> 
> Agreed, should not be changed for same reasons as SPINAND.
> 
> > 
> > diff --git a/arch/arm/include/asm/arch-rockchip/bootrom.h b/arch/arm/include/asm/arch-rockchip/bootrom.h
> > index 7dab18fbc3..9f16d28aec 100644
> > --- a/arch/arm/include/asm/arch-rockchip/bootrom.h
> > +++ b/arch/arm/include/asm/arch-rockchip/bootrom.h
> > @@ -46,9 +46,10 @@ enum {
> >  	BROM_BOOTSOURCE_NAND = 1,
> >  	BROM_BOOTSOURCE_EMMC = 2,
> >  	BROM_BOOTSOURCE_SPINOR = 3,
> > -	BROM_BOOTSOURCE_SPINAND = 4,
> > +	BROM_BOOTSOURCE_FSPI_M0 = 3,
> > +	BROM_BOOTSOURCE_FSPI_M1 = 4,
> >  	BROM_BOOTSOURCE_SD = 5,
> > -	BROM_BOOTSOURCE_SPINOR_RK3588 = 6,
> > +	BROM_BOOTSOURCE_FSPI_M2 = 6,
> >  	BROM_BOOTSOURCE_USB = 10,
> >  	BROM_LAST_BOOTSOURCE = BROM_BOOTSOURCE_USB
> >  };
> > diff --git a/arch/arm/mach-rockchip/rk3568/rk3568.c b/arch/arm/mach-rockchip/rk3568/rk3568.c
> > index 69ef19cc85..ccb63c6a88 100644
> > --- a/arch/arm/mach-rockchip/rk3568/rk3568.c
> > +++ b/arch/arm/mach-rockchip/rk3568/rk3568.c
> > @@ -83,7 +83,7 @@ static struct mm_region rk3568_mem_map[] = {
> >  
> >  const char * const boot_devices[BROM_LAST_BOOTSOURCE + 1] = {
> >  	[BROM_BOOTSOURCE_EMMC] = "/mmc@fe310000",
> > -	[BROM_BOOTSOURCE_SPINOR] = "/spi@fe300000/flash@0",
> > +	[BROM_BOOTSOURCE_FSPI_M0] = "/spi@fe300000/flash@0",
> >  	[BROM_BOOTSOURCE_SD] = "/mmc@fe2b0000",
> >  };
> >  
> > diff --git a/arch/arm/mach-rockchip/rk3588/rk3588.c b/arch/arm/mach-rockchip/rk3588/rk3588.c
> > index b1f535fad5..c36f783d29 100644
> > --- a/arch/arm/mach-rockchip/rk3588/rk3588.c
> > +++ b/arch/arm/mach-rockchip/rk3588/rk3588.c
> > @@ -39,9 +39,10 @@ DECLARE_GLOBAL_DATA_PTR;
> >  
> >  const char * const boot_devices[BROM_LAST_BOOTSOURCE + 1] = {
> >  	[BROM_BOOTSOURCE_EMMC] = "/mmc@fe2e0000",
> > -	[BROM_BOOTSOURCE_SPINOR] = "/spi@fe2b0000/flash@0",
> > +	[BROM_BOOTSOURCE_FSPI_M0] = "/spi@fe2b0000/flash@0",
> >  	[BROM_BOOTSOURCE_SD] = "/mmc@fe2c0000",
> > -	[BROM_BOOTSOURCE_SPINOR_RK3588] = "/spi@fe2b0000/flash@0",
> > +	[BROM_BOOTSOURCE_FSPI_M1] = "/spi@fe2b0000/flash@0",
> > +	[BROM_BOOTSOURCE_FSPI_M2] = "/spi@fe2b0000/flash@0",
> 
> Fully agree with this change, and have made same/similar. However, the
> logic for boot_devices will possible have to be changed/updated if there
> is a board using SPI NAND with a different node name in the future.
> 
> Regards,
> Jonas
> 
> >  };
> >  
> >  static struct mm_region rk3588_mem_map[] = {
> > 
> >>> Is my assessment about the value BootRom writes to bootsource reg
> >>> correct, see [1]?
> >>>
> >>> - FSPI (M0): 3
> >>> - FSPI (M1): 4
> >>> - FSPI (M2): 6
> >>>
> >>> [1] https://lore.kernel.org/u-boot/b82c02c0-0a37-8553-f498-b03f85394d59@kwiboo.se/
> >>>
> >>> Regards,
> >>> Jonas
> >>>
> >>>>   };
> >>>>   static struct mm_region rk3588_mem_map[] = {

-- 
Slawomir Stepien