diff options
| -rw-r--r-- | board/synopsys/axs10x/axs10x.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/board/synopsys/axs10x/axs10x.c b/board/synopsys/axs10x/axs10x.c index 57c7902..e6b69da 100644 --- a/board/synopsys/axs10x/axs10x.c +++ b/board/synopsys/axs10x/axs10x.c @@ -7,6 +7,7 @@ #include <common.h> #include <dwmmc.h> #include <malloc.h> +#include <asm/arcregs.h> #include "axs10x.h" DECLARE_GLOBAL_DATA_PTR; @@ -66,9 +67,27 @@ void smp_kick_all_cpus(void) #define BITS_START_MODE 4 #define BITS_CORE_SEL 9 +/* + * In axs103 v1.1 START bits semantics has changed quite a bit. + * We used to have a generic START bit for all cores selected by CORE_SEL mask. + * But now we don't touch CORE_SEL at all because we have a dedicated START bit + * for each core: + * bit 0: Core 0 (master) + * bit 1: Core 1 (slave) + */ +#define BITS_START_CORE1 1 + +#define ARCVER_HS38_3_0 0x53 + + int core_family = read_aux_reg(ARC_AUX_IDENTITY) & 0xff; int cmd = readl((void __iomem *)AXC003_CREG_CPU_START); - cmd |= (1 << BITS_CORE_SEL) | (1 << BITS_START); - cmd &= ~(1 << BITS_START_MODE); + + if (core_family < ARCVER_HS38_3_0) { + cmd |= (1 << BITS_CORE_SEL) | (1 << BITS_START); + cmd &= ~(1 << BITS_START_MODE); + } else { + cmd |= (1 << BITS_START_CORE1); + } writel(cmd, (void __iomem *)AXC003_CREG_CPU_START); } #endif |