diff options
Diffstat (limited to 'bsps/riscv/riscv/clock/clockdrv.c')
| -rw-r--r-- | bsps/riscv/riscv/clock/clockdrv.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/bsps/riscv/riscv/clock/clockdrv.c b/bsps/riscv/riscv/clock/clockdrv.c index 7e6034d4d1..d085b6bd95 100644 --- a/bsps/riscv/riscv/clock/clockdrv.c +++ b/bsps/riscv/riscv/clock/clockdrv.c @@ -130,15 +130,21 @@ static uint32_t riscv_clock_get_timecount(struct timecounter *base) static uint32_t riscv_clock_get_timebase_frequency(const void *fdt) { int node; - const uint32_t *val; - int len; + const fdt32_t *val; + int len=0; node = fdt_path_offset(fdt, "/cpus"); - val = fdt_getprop(fdt, node, "timebase-frequency", &len); + + val = (fdt32_t *) fdt_getprop(fdt, node, "timebase-frequency", &len); + if (val == NULL || len < 4) { - bsp_fatal(RISCV_FATAL_NO_TIMEBASE_FREQUENCY_IN_DEVICE_TREE); - } + int cpu0 = fdt_subnode_offset(fdt, node, "cpu@0"); + val = (fdt32_t *) fdt_getprop(fdt, cpu0, "timebase-frequency", &len); + if (val == NULL || len < 4) { + bsp_fatal(RISCV_FATAL_NO_TIMEBASE_FREQUENCY_IN_DEVICE_TREE); + } + } return fdt32_to_cpu(*val); } |