On Fri, Aug 23, 2019 at 5:56 PM Marek Vasut <ma...@denx.de> wrote: > > On 8/23/19 11:52 AM, Ley Foon Tan wrote: > > On Fri, Aug 23, 2019 at 5:23 PM Marek Vasut <ma...@denx.de> wrote: > >> > >> On 8/23/19 10:57 AM, Ley Foon Tan wrote: > >>> On Wed, Aug 21, 2019 at 9:50 AM Ley Foon Tan <lftan.li...@gmail.com> > >>> wrote: > >>>> > >>>> On Tue, Aug 20, 2019 at 5:50 PM Marek Vasut <ma...@denx.de> wrote: > >>>>> > >>>>> On 8/20/19 4:35 AM, Ley Foon Tan wrote: > >>>>>> Convert reset manager for Gen5, Arria 10 and Stratix 10 from struct > >>>>>> to defines. > >>>>>> No functional change. > >>>>>> > >>>>>> Signed-off-by: Ley Foon Tan <ley.foon....@intel.com> > >>>>>> --- > >>>>>> .../mach-socfpga/include/mach/reset_manager.h | 12 +++++ > >>>>>> .../include/mach/reset_manager_arria10.h | 41 +++------------- > >>>>>> .../include/mach/reset_manager_gen5.h | 20 +++----- > >>>>>> .../include/mach/reset_manager_s10.h | 33 ++----------- > >>>>>> arch/arm/mach-socfpga/misc_gen5.c | 6 +-- > >>>>>> arch/arm/mach-socfpga/reset_manager_arria10.c | 49 +++++++++---------- > >>>>>> arch/arm/mach-socfpga/reset_manager_gen5.c | 26 +++++----- > >>>>>> arch/arm/mach-socfpga/reset_manager_s10.c | 35 ++++++------- > >>>>>> drivers/sysreset/sysreset_socfpga.c | 6 +-- > >>>>>> 9 files changed, 86 insertions(+), 142 deletions(-) > >>>>>> > >>>>>> diff --git a/arch/arm/mach-socfpga/include/mach/reset_manager.h > >>>>>> b/arch/arm/mach-socfpga/include/mach/reset_manager.h > >>>>>> index 6ad037e325..c460e89d22 100644 > >>>>>> --- a/arch/arm/mach-socfpga/include/mach/reset_manager.h > >>>>>> +++ b/arch/arm/mach-socfpga/include/mach/reset_manager.h > >>>>>> @@ -6,6 +6,18 @@ > >>>>>> #ifndef _RESET_MANAGER_H_ > >>>>>> #define _RESET_MANAGER_H_ > >>>>>> > >>>>>> +#define RSTMGR_READL(reg) \ > >>>>>> + readl(SOCFPGA_RSTMGR_ADDRESS + (reg)) > >>>>>> + > >>>>>> +#define RSTMGR_WRITEL(data, reg) \ > >>>>>> + writel(data, SOCFPGA_RSTMGR_ADDRESS + (reg)) > >>>>>> + > >>>>>> +#define RSTMGR_CLRBITS(reg, mask) \ > >>>>>> + clrbits_le32(SOCFPGA_RSTMGR_ADDRESS + (reg), mask) > >>>>>> + > >>>>>> +#define RSTMGR_SETBITS(reg, mask) \ > >>>>>> + setbits_le32(SOCFPGA_RSTMGR_ADDRESS + (reg), mask) > >> > >> btw. mask is missing parenthesis, but see below. > >> > >>>>>> + > >>>>> > >>>>> No, don't introduce such macros. Use readl()/writel()/... in the driver. > >>>>> The address should come from DT. Besides, there is no type checking in > >>>>> such macros. > >>>> These macros call to writel() and readl() underlying, it just add base > >>>> address to it. > >> > >> Right, it just makes the code hardware to read and understand. > > Okay, will change it. > > It should be easy to do: > $ sed "s@RSTMGR_SETBITS(\([^,]\+\), > \([^)]\+\))@setbits_le32(SOCFPGA_RSTMGR_ADDRESS + \1, \1)@" > $ git add -u ; git commit -sm part1 > $ checkpatch -f --fix --fix-inplace <file> > $ git diff # review the fixes > $ git add -u ; git commit --amend # > > >>>> So, it should have type checking as call writel()/readl() directly? > >> > >> The functions in the macro get typechecked. But unlike function > >> arguments, macro arguments are not checked. > > Noted. > >> > >>>> If want to use address from DT, we need get address every time need to > >>>> use the address. > >>>> For non-DM, it is easier to use constant address. Let me know if you > >>>> still prefer to use address from DT. > >> > >> Surely you can cache the address or even better, convert to DM/DT ? > > Will try to cache the address for now. But, we need get address from > > DT twice, one in SPL, one in Uboot. They not sharing global data. > > I don't think there's much we can do about that, unless we can somehow > share parsed live DT from SPL to U-Boot, but that's for another > discussion/patchset/etc. > > > There is plan to convert clock drivers to DM. But, not in this patchset. > > Isn't Simon working on that already ? Our plan is convert S10 clock driver, Simon is working on this?
Regards Ley Foon _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot