From d979b344e5d10c8ecb075554008b707c490db672 Mon Sep 17 00:00:00 2001
From: Uros Majstorovic <majstor@majstor.org>
Date: Sun, 16 Feb 2025 20:17:43 +0100
Subject: drivers made independent from microcontroller/os

---
 fw/fe310/eos/dev/aon.c | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 fw/fe310/eos/dev/aon.c

(limited to 'fw/fe310/eos/dev/aon.c')

diff --git a/fw/fe310/eos/dev/aon.c b/fw/fe310/eos/dev/aon.c
new file mode 100644
index 0000000..3d8aaf6
--- /dev/null
+++ b/fw/fe310/eos/dev/aon.c
@@ -0,0 +1,29 @@
+#include <stdlib.h>
+#include <stdint.h>
+
+#include "eos.h"
+#include "soc/aon.h"
+
+#include "aon.h"
+
+#ifdef EOS_DEBUG
+#include <stdio.h>
+#endif
+
+#define AON_EVE_REG         0
+#define AON_EVE_MASK        0x03
+
+void eos_aon_save4eve(uint8_t power_state) {
+    uint32_t reg;
+
+    power_state &= AON_EVE_MASK;
+    reg = eos_aon_get_reg(AON_EVE_REG);
+    reg &= ~AON_EVE_MASK;
+    reg |= power_state;
+
+    eos_aon_set_reg(0, power_state);
+}
+
+uint8_t eos_aon_load4eve(void) {
+    return (eos_aon_get_reg(AON_EVE_REG) & AON_EVE_MASK);
+}
-- 
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