Message ID | 1404957850-13340-5-git-send-email-haojian.zhuang@linaro.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On Thursday 10 July 2014, Haojian Zhuang wrote: > --- a/arch/arm/mach-hisi/platmcpm.c > +++ b/arch/arm/mach-hisi/platmcpm.c > @@ -116,7 +116,6 @@ static int hip04_mcpm_power_up(unsigned int cpu, unsigned int cluster) > CORE_DEBUG_RESET_BIT(cpu); > writel_relaxed(data, sysctrl + SC_CPU_RESET_DREQ(cluster)); > spin_unlock_irq(&boot_lock); > - msleep(POLL_MSEC); > > return 0; > } Is this change intentional? It seems like it should belong into the earlier patch that introduces this file. Arnd
On 28 July 2014 19:08, Arnd Bergmann <arnd@arndb.de> wrote: > On Thursday 10 July 2014, Haojian Zhuang wrote: >> --- a/arch/arm/mach-hisi/platmcpm.c >> +++ b/arch/arm/mach-hisi/platmcpm.c >> @@ -116,7 +116,6 @@ static int hip04_mcpm_power_up(unsigned int cpu, unsigned int cluster) >> CORE_DEBUG_RESET_BIT(cpu); >> writel_relaxed(data, sysctrl + SC_CPU_RESET_DREQ(cluster)); >> spin_unlock_irq(&boot_lock); >> - msleep(POLL_MSEC); >> >> return 0; >> } > > Is this change intentional? It seems like it should belong into the earlier patch > that introduces this file. > > Arnd Yes, it should belong to the earlier patch. And it's fixed in v12 or v13. Regards Haojian
diff --git a/arch/arm/mach-hisi/Kconfig b/arch/arm/mach-hisi/Kconfig index 90fdbb4..a458f28 100644 --- a/arch/arm/mach-hisi/Kconfig +++ b/arch/arm/mach-hisi/Kconfig @@ -19,6 +19,14 @@ config ARCH_HI3xxx help Support for Hisilicon Hi36xx SoC family +config ARCH_HIP04 + bool "Hisilicon HiP04 Cortex A15 family" if ARCH_MULTI_V7 + select HAVE_ARM_ARCH_TIMER + select MCPM if SMP + select MCPM_QUAD_CLUSTER if SMP + help + Support for Hisilicon HiP04 SoC family + config ARCH_HIX5HD2 bool "Hisilicon X5HD2 family" if ARCH_MULTI_V7 select CACHE_L2X0 diff --git a/arch/arm/mach-hisi/hisilicon.c b/arch/arm/mach-hisi/hisilicon.c index e842ca9..938cdba 100644 --- a/arch/arm/mach-hisi/hisilicon.c +++ b/arch/arm/mach-hisi/hisilicon.c @@ -114,3 +114,12 @@ DT_MACHINE_START(HIX5HD2_DT, "Hisilicon HIX5HD2 (Flattened Device Tree)") .smp = smp_ops(hix5hd2_smp_ops), .restart = hi3xxx_restart, MACHINE_END + +static const char *hip04_compat[] __initconst = { + "hisilicon,hip04-d01", + NULL, +}; + +DT_MACHINE_START(HIP04, "Hisilicon HiP04 (Flattened Device Tree)") + .dt_compat = hip04_compat, +MACHINE_END diff --git a/arch/arm/mach-hisi/platmcpm.c b/arch/arm/mach-hisi/platmcpm.c index 3befcb3..d903d75 100644 --- a/arch/arm/mach-hisi/platmcpm.c +++ b/arch/arm/mach-hisi/platmcpm.c @@ -116,7 +116,6 @@ static int hip04_mcpm_power_up(unsigned int cpu, unsigned int cluster) CORE_DEBUG_RESET_BIT(cpu); writel_relaxed(data, sysctrl + SC_CPU_RESET_DREQ(cluster)); spin_unlock_irq(&boot_lock); - msleep(POLL_MSEC); return 0; }
Support HiP04 SoC what supports 16 cores. And it relies on MCPM framework. Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org> --- arch/arm/mach-hisi/Kconfig | 8 ++++++++ arch/arm/mach-hisi/hisilicon.c | 9 +++++++++ arch/arm/mach-hisi/platmcpm.c | 1 - 3 files changed, 17 insertions(+), 1 deletion(-)