13.01.2017, 09:34, "Andre Przywara" <andre.przyw...@arm.com>: > Instead of enumerating all SoC families that need that bit set, let's > just express this more clearly: The SMP bits needs to be set on > SMP capable ARMv7 CPUs. It's much easier to Kconfig to express it the > other way round, so we use ! NO_SMP and ! ARM64.
How about single-core Cortex-A7? > > Signed-off-by: Andre Przywara <andre.przyw...@arm.com> > --- > arch/arm/mach-sunxi/board.c | 5 +---- > board/sunxi/Kconfig | 6 ++++++ > 2 files changed, 7 insertions(+), 4 deletions(-) > > diff --git a/arch/arm/mach-sunxi/board.c b/arch/arm/mach-sunxi/board.c > index 58fbacb..5a63124 100644 > --- a/arch/arm/mach-sunxi/board.c > +++ b/arch/arm/mach-sunxi/board.c > @@ -180,10 +180,7 @@ void s_init(void) > /* No H3 BSP, boot0 seems to not modify SUNXI_SRAMC_BASE + 0x44 */ > #endif > > -#if defined CONFIG_MACH_SUN6I || \ > - defined CONFIG_MACH_SUN7I || \ > - defined CONFIG_MACH_SUN8I || \ > - defined CONFIG_MACH_SUN9I > +#if !defined(CONFIG_SUNXI_NO_SMP) && !defined(CONFIG_ARM64) > /* Enable SMP mode for CPU0, by setting bit 6 of Auxiliary Ctl reg */ > asm volatile( > "mrc p15, 0, r0, c1, c0, 1\n" > diff --git a/board/sunxi/Kconfig b/board/sunxi/Kconfig > index 37b4252..79b6fa7 100644 > --- a/board/sunxi/Kconfig > +++ b/board/sunxi/Kconfig > @@ -27,6 +27,10 @@ config SPL_POWER_SUPPORT > config SPL_SERIAL_SUPPORT > default y > > +config SUNXI_NO_SMP > + bool > + default n > + > # Note only one of these may be selected at a time! But hidden choices are > # not supported by Kconfig > config SUNXI_GEN_SUN4I > @@ -50,12 +54,14 @@ choice > config MACH_SUN4I > bool "sun4i (Allwinner A10)" > select CPU_V7 > + select SUNXI_NO_SMP > select SUNXI_GEN_SUN4I > select SUPPORT_SPL > > config MACH_SUN5I > bool "sun5i (Allwinner A13)" > select CPU_V7 > + select SUNXI_NO_SMP > select SUNXI_GEN_SUN4I > select SUPPORT_SPL > > -- > 2.8.2 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
