[PATCH v4 01/11] include: fdtdec: decouple fdt_addr_t and phys_addr_t size

Michael Nazzareno Trimarchi michael at amarulasolutions.com
Sat Feb 25 10:15:30 CET 2023


Hi Johan

On Sat, Feb 25, 2023 at 10:11 AM Johan Jonker <jbx6244 at gmail.com> wrote:
>
>
>
> On 2/23/23 01:47, Kever Yang wrote:
> > Hi Johan,
> >
> >     This update will cause below error on evb-ast2500/2600:
>
> Hi Kever, Simon,
>
> For "spi-aspeed-smc.c" I have submitted a patch proposal.
> The changes in patch 1 possible involves a lot more boards that might need a change to which the external MAINTAINERS may or may not respond to.
> As that becomes a lengthy time consuming process. Is it maybe possible to skip patch 1 for now and get at least the more essential patches 2-11 merged?
> Please advise what's the best option here to get forward.
>
> Johan

Please point to the patch you mentioned.

Kever if you are going to pick the nand patches part let me know

Michael

>
>
> >
> > $ tools/buildman/buildman -o ${UBOOT_TRAVIS_BUILD_DIR} -w -E -W -e --board ${TEST_PY_BD} ${OVERRIDE}
> > Building current source for 1 boards (1 thread, 24 jobs per thread)
> >        arm:  +   evb-ast2600
> > +drivers/spi/spi-aspeed-smc.c: In function 'apseed_spi_of_to_plat':
> > +drivers/spi/spi-aspeed-smc.c:1154:22: error: format '%lx' expects argument of type 'long unsigned int', but argument 4 has type 'fdt_size_t' {aka 'unsigned int'} [-Werror=format=]
> > + 1154 |         dev_dbg(bus, "ctrl_base = 0x%x, ahb_base = 0x%p, size = 0x%lx\n",
> > +      | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > + 1155 |                 (u32)priv->regs, plat->ahb_base, plat->ahb_sz);
> > +      | ~~~~~~~~~~~~
> > +      |                                                      |
> > +      | fdt_size_t {aka unsigned int}
> > +include/dm/device_compat.h:50:24: note: in definition of macro 'dev_printk_emit'
> > +   50 |                 printf(fmt, ##__VA_ARGS__); \
> > +      |                        ^~~
> > +include/dm/device_compat.h:117:9: note: in expansion of macro '__dev_printk'
> > +  117 |         __dev_printk(LOGL_DEBUG, dev, fmt, ##__VA_ARGS__)
> > +      |         ^~~~~~~~~~~~
> > +drivers/spi/spi-aspeed-smc.c:1154:9: note: in expansion of macro 'dev_dbg'
> > +      |         ^~~~~~~
> > +drivers/spi/spi-aspeed-smc.c:1154:69: note: format string is defined here
> > + | ~~^
> > + | |
> > + | long unsigned int
> > + | %x
> > +In file included from include/linux/printk.h:4,
> > +                 from include/linux/kernel.h:5,
> > +                 from arch/arm/include/asm/io.h:14,
> > +                 from drivers/spi/spi-aspeed-smc.c:13:
> > +include/log.h:222:24: note: in definition of macro 'log'
> > +  222 |                 printf(_fmt, ##_args); \
> > +      |                        ^~~~
> > +include/dm/device_compat.h:85:17: note: in expansion of macro 'dev_printk_emit'
> > +   85 |                 dev_printk_emit(LOG_CATEGORY, level, fmt, ##__VA_ARGS__); \
> > +      |                 ^~~~~~~~~~~~~~~
> > +include/dm/device_compat.h:54:24: note: in definition of macro 'dev_printk_emit'
> > +   54 |                 printf(fmt, ##__VA_ARGS__); \
> > +include/dm/device_compat.h:91:41: error: format '%lx' expects argument of type 'long unsigned int', but argument 6 has type 'fdt_size_t' {aka 'unsigned int'} [-Werror=format=]
> > +   91 |                                         "%s %s: " fmt, \
> > +      |                                         ^~~~~~~~~
> > +include/dm/device_compat.h:90:25: note: in expansion of macro 'dev_printk_emit'
> > +   90 | dev_printk_emit(__dev->driver->id, level, \
> > +      |                         ^~~~~~~~~~~~~~~
> > +include/dm/device_compat.h:96:41: error: format '%lx' expects argument of type 'long unsigned int', but argument 6 has type 'fdt_size_t' {aka 'unsigned int'} [-Werror=format=]
> > +   96 |                                         "%s %s: " fmt, \
> > +include/dm/device_compat.h:95:25: note: in expansion of macro 'dev_printk_emit'
> > +   95 |                         dev_printk_emit(LOG_CATEGORY, level, \
> > +cc1: all warnings being treated as errors
> > +make[3]: *** [scripts/Makefile.build:256: drivers/spi/spi-aspeed-smc.o] Error 1
> > +make[2]: *** [scripts/Makefile.build:397: drivers/spi] Error 2
> > +make[1]: *** [Makefile:1846: drivers] Error 2
> > +make: *** [Makefile:177: sub-make] Error 2
> >     0    0    1 /1              evb-ast2600
> >
> >
> > Thanks,
> >
> > - Kever
> >
> > On 2023/2/18 23:26, Johan Jonker wrote:
> >> The DT specification supports CPUs with both 32-bit and 64-bit addressing
> >> capabilities. In U-boot the fdt_addr_t and phys_addr_t size are coupled
> >> by a typedef. The MTD NAND drivers for 32-bit CPU's can describe partitions
> >> with a 64-bit reg property. These partitions synced from Linux end up with
> >> the wrong offset and sizes when only the lower 32-bit is passed.
> >> Decouple the fdt_addr_t and phys_addr_t size as they don't necessary
> >> match.
> >>
> >> Signed-off-by: Johan Jonker <jbx6244 at gmail.com>
> >> Reviewed-by: Simon Glass <sjg at chromium.org>
> >> Reviewed-by: Kever Yang <kever.yang at rock-chips.com>
> >> ---
> >>
> >> Changed V2:
> >>    reword
> >>
> >> ---
> >>
> >> Note:
> >>    Most drivers still assume that FDT and CPU capabilities are identical.
> >>    In order to use these variables a cast is needed.
> >> ---
> >>   Kconfig          |  8 ++++++++
> >>   include/fdtdec.h | 13 +++++++++----
> >>   2 files changed, 17 insertions(+), 4 deletions(-)
> >>
> >> diff --git a/Kconfig b/Kconfig
> >> index a75cce7e..7697dade 100644
> >> --- a/Kconfig
> >> +++ b/Kconfig
> >> @@ -422,11 +422,19 @@ endif # EXPERT
> >>
> >>   config PHYS_64BIT
> >>       bool "64bit physical address support"
> >> +    select FDT_64BIT
> >>       help
> >>         Say Y here to support 64bit physical memory address.
> >>         This can be used not only for 64bit SoCs, but also for
> >>         large physical address extension on 32bit SoCs.
> >>
> >> +config FDT_64BIT
> >> +    bool "64bit fdt address support"
> >> +    help
> >> +      Say Y here to support 64bit fdt addresses.
> >> +      This can be used not only for 64bit SoCs, but also
> >> +      for large address extensions on 32bit SoCs.
> >> +
> >>   config HAS_ROM
> >>       bool
> >>       select BINMAN
> >> diff --git a/include/fdtdec.h b/include/fdtdec.h
> >> index 12355afd..af29ac0c 100644
> >> --- a/include/fdtdec.h
> >> +++ b/include/fdtdec.h
> >> @@ -18,15 +18,18 @@
> >>   #include <pci.h>
> >>
> >>   /*
> >> - * A typedef for a physical address. Note that fdt data is always big
> >> + * Support for 64bit fdt addresses.
> >> + * This can be used not only for 64bit SoCs, but also
> >> + * for large address extensions on 32bit SoCs.
> >> + * Note that fdt data is always big
> >>    * endian even on a litle endian machine.
> >>    */
> >> -typedef phys_addr_t fdt_addr_t;
> >> -typedef phys_size_t fdt_size_t;
> >>
> >>   #define FDT_SIZE_T_NONE (-1U)
> >>
> >> -#ifdef CONFIG_PHYS_64BIT
> >> +#ifdef CONFIG_FDT_64BIT
> >> +typedef u64 fdt_addr_t;
> >> +typedef u64 fdt_size_t;
> >>   #define FDT_ADDR_T_NONE ((ulong)(-1))
> >>
> >>   #define fdt_addr_to_cpu(reg) be64_to_cpu(reg)
> >> @@ -35,6 +38,8 @@ typedef phys_size_t fdt_size_t;
> >>   #define cpu_to_fdt_size(reg) cpu_to_be64(reg)
> >>   typedef fdt64_t fdt_val_t;
> >>   #else
> >> +typedef u32 fdt_addr_t;
> >> +typedef u32 fdt_size_t;
> >>   #define FDT_ADDR_T_NONE (-1U)
> >>
> >>   #define fdt_addr_to_cpu(reg) be32_to_cpu(reg)
> >> --
> >> 2.20.1
> >>



-- 
Michael Nazzareno Trimarchi
Co-Founder & Chief Executive Officer
M. +39 347 913 2170
michael at amarulasolutions.com
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