From: Alexey Brodkin Date: Thu, 30 Mar 2017 16:18:30 +0000 (+0300) Subject: axs103: Clean-up smp_kick_all_cpus() X-Git-Tag: v2017.05-rc1~2^2~2 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=0b0db98be7e22f5b862b62f63db7ff6ab02a3a7f;p=oweals%2Fu-boot.git axs103: Clean-up smp_kick_all_cpus() * Rely on default pulse polarity value * Don't mess with "multicore" value as it doesn't affect execution In essence we now do a bare minimal stuff: 1) Select HS38x2_1 with CORE_SEL=1 bits 2) Select "manual" core start (via CREG) with START_MODE=0 3) Generate cpu_start pulse with START=1 Signed-off-by: Alexey Brodkin --- diff --git a/board/synopsys/axs10x/axs10x.c b/board/synopsys/axs10x/axs10x.c index a5e774b2cf..57c790220f 100644 --- a/board/synopsys/axs10x/axs10x.c +++ b/board/synopsys/axs10x/axs10x.c @@ -61,16 +61,14 @@ void smp_kick_all_cpus(void) { /* CPU start CREG */ #define AXC003_CREG_CPU_START 0xF0001400 - /* Bits positions in CPU start CREG */ #define BITS_START 0 -#define BITS_POLARITY 8 +#define BITS_START_MODE 4 #define BITS_CORE_SEL 9 -#define BITS_MULTICORE 12 - -#define CMD (1 << BITS_MULTICORE) | (1 << BITS_CORE_SEL) | \ - (1 << BITS_POLARITY) | (1 << BITS_START) - writel(CMD, (void __iomem *)AXC003_CREG_CPU_START); + int cmd = readl((void __iomem *)AXC003_CREG_CPU_START); + cmd |= (1 << BITS_CORE_SEL) | (1 << BITS_START); + cmd &= ~(1 << BITS_START_MODE); + writel(cmd, (void __iomem *)AXC003_CREG_CPU_START); } #endif