diff options
Diffstat (limited to 'platform/generic/allwinner/sun20i-d1.c')
| -rw-r--r-- | platform/generic/allwinner/sun20i-d1.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/platform/generic/allwinner/sun20i-d1.c b/platform/generic/allwinner/sun20i-d1.c index e2b76a3..295c159 100644 --- a/platform/generic/allwinner/sun20i-d1.c +++ b/platform/generic/allwinner/sun20i-d1.c @@ -12,6 +12,7 @@ #include <sbi/sbi_error.h> #include <sbi/sbi_hsm.h> #include <sbi/sbi_pmu.h> +#include <sbi_utils/fdt/fdt_fixup.h> #include <sbi_utils/fdt/fdt_helper.h> #include <sbi_utils/irqchip/fdt_irqchip_plic.h> @@ -202,6 +203,24 @@ static int sun20i_d1_final_init(bool cold_boot, const struct fdt_match *match) return 0; } +static const struct sbi_cpu_idle_state sun20i_d1_cpu_idle_states[] = { + { + .name = "cpu-nonretentive", + .suspend_param = SBI_HSM_SUSPEND_NON_RET_DEFAULT, + .local_timer_stop = true, + .entry_latency_us = 40, + .exit_latency_us = 67, + .min_residency_us = 1100, + .wakeup_latency_us = 67, + }, + { } +}; + +static int sun20i_d1_fdt_fixup(void *fdt, const struct fdt_match *match) +{ + return fdt_add_cpu_idle_states(fdt, sun20i_d1_cpu_idle_states); +} + static void thead_c9xx_pmu_ctr_enable_irq(uint32_t ctr_idx) { unsigned long mip_val; @@ -265,5 +284,6 @@ static const struct fdt_match sun20i_d1_match[] = { const struct platform_override sun20i_d1 = { .match_table = sun20i_d1_match, .final_init = sun20i_d1_final_init, + .fdt_fixup = sun20i_d1_fdt_fixup, .extensions_init = sun20i_d1_extensions_init, }; |