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| author | Alexey Brodkin <abrodkin@synopsys.com> | 2017-03-30 16:18:30 (GMT) |
|---|---|---|
| committer | Alexey Brodkin <abrodkin@synopsys.com> | 2017-03-31 19:09:36 (GMT) |
| commit | 0b0db98be7e22f5b862b62f63db7ff6ab02a3a7f (patch) | |
| tree | 1af2ac7d0d128aa87c023a9cc6a879d443d34f73 /board/synopsys | |
| parent | 5cf618ee60a752d058a767372ca1ecb8d9c09b16 (diff) | |
| download | u-boot-fsl-qoriq-0b0db98be7e22f5b862b62f63db7ff6ab02a3a7f.tar.xz | |
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 <abrodkin@synopsys.com>
Diffstat (limited to 'board/synopsys')
| -rw-r--r-- | board/synopsys/axs10x/axs10x.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/board/synopsys/axs10x/axs10x.c b/board/synopsys/axs10x/axs10x.c index a5e774b..57c7902 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 |