[U-Boot] [PATCH v3 04/12] arm: socfpga: clkmgr: Separate the Clock Manager for Stratix 10

[See, Chin Liang <chin.liang.see@intel.com>]

On Min, 2016-10-16 at 17:33 +0200, Marek Vasut wrote:
> On 10/13/2016 10:33 AM, Chin Liang See wrote:
> > 
> > Separate the Clock Manager to support both GEN5 SoC and
> > Stratix 10 SoC.
> > 
> > Signed-off-by: Chin Liang See <clsee@altera.com>
> > Cc: Marek Vasut <marex@denx.de>
> > Cc: Dinh Nguyen <dinguyen@opensource.altera.com>
> > Cc: Ley Foon Tan <lftan@altera.com>
> > Cc: Tien Fong Chee <tfchee@altera.com>
> > ---
> > ?arch/arm/mach-socfpga/clock_manager.c | 8 ++++++++
> > ?1 file changed, 8 insertions(+)
> > 
> > diff --git a/arch/arm/mach-socfpga/clock_manager.c b/arch/arm/mach-
> > socfpga/clock_manager.c
> > index aa71636..0d67b3c 100644
> > --- a/arch/arm/mach-socfpga/clock_manager.c
> > +++ b/arch/arm/mach-socfpga/clock_manager.c
> > @@ -10,6 +10,7 @@
> > 
> > ?DECLARE_GLOBAL_DATA_PTR;
> > 
> > +#if defined(CONFIG_TARGET_SOCFPGA_GEN5)
> > ?static const struct socfpga_clock_manager *clock_manager_base =
> > ??????(struct socfpga_clock_manager *)SOCFPGA_CLKMGR_ADDRESS;
> > 
> > @@ -446,9 +447,11 @@ unsigned int cm_get_l4_sp_clk_hz(void)
> > 
> > ??????return clock;
> > ?}
> > +#endif /* CONFIG_TARGET_SOCFPGA_GEN5 */
> > 
> > ?unsigned int cm_get_mmc_controller_clk_hz(void)
> > ?{
> > +#if defined(CONFIG_TARGET_SOCFPGA_GEN5)
> > ??????uint32_t reg, clock = 0;
> > 
> > ??????/* identify the source of MMC clock */
> > @@ -475,8 +478,12 @@ unsigned int
> > cm_get_mmc_controller_clk_hz(void)
> > ??????/* further divide by 4 as we have fixed divider at wrapper */
> > ??????clock /= 4;
> > ??????return clock;
> > +#elif defined(CONFIG_TARGET_SOCFPGA_STRATIX10)
> > +?????return 25000000;
> Is this always gonna be the case or is this S10VP specific ?
> 
> > 
> > +#endif /* CONFIG_TARGET_SOCFPGA_GEN5 */
> > ?}
> > 
> > +#if defined(CONFIG_TARGET_SOCFPGA_GEN5)
> > ?unsigned int cm_get_qspi_controller_clk_hz(void)
> > ?{
> > ??????uint32_t reg, clock = 0;
> > @@ -556,3 +563,4 @@ U_BOOT_CMD(
> > ??????"display clocks",
> > ??????""
> Why does the clock display not work on S10 ? Are some functions
> missing?

Not for SOCVP. But will be added in later stage when testing against
emulation

> 
> Maybe we should split the clock manager into common part and then
> gen5
> and gen10 specific parts ?

Ok, we can do that as initially we were worried too many files created
within mach-socfpga.

Thanks
Chin Liang

> 
> > 
> > ?);
> > +#endif /* CONFIG_TARGET_SOCFPGA_GEN5 */
> > 
> 
> --
> Best regards,
> Marek Vasut
> 
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