From 7ffd6265bb48c0b4f6512fd28de645574ffb8484 Mon Sep 17 00:00:00 2001
From: Hauke Petersen <hauke.petersen@fu-berlin.de>
Date: Fri, 22 Jun 2018 16:09:23 +0200
Subject: [PATCH] cpu/nrf52: enable instruction cache
---
cpu/nrf52/cpu.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/cpu/nrf52/cpu.c b/cpu/nrf52/cpu.c
index e0dfd28c65..a4bbe57fc0 100644
--- a/cpu/nrf52/cpu.c
+++ b/cpu/nrf52/cpu.c
@@ -64,6 +64,9 @@ void cpu_init(void)
/* initialize hf clock */
clock_init_hf();
+ /* enable instruction cache */
+ NRF_NVMC->ICACHECNF = (NVMC_ICACHECNF_CACHEEN_Msk);
+
/* softdevice needs to be enabled from ISR context */
#ifdef SOFTDEVICE_PRESENT
softdevice_handler_init(NRF_CLOCK_LFCLKSRC_XTAL_20_PPM, &_ble_evt_buffer,
--
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