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-rw-r--r--include/hw/misc/sifive_e_prci.h71
1 files changed, 71 insertions, 0 deletions
diff --git a/include/hw/misc/sifive_e_prci.h b/include/hw/misc/sifive_e_prci.h
new file mode 100644
index 0000000000..698b0b451c
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+++ b/include/hw/misc/sifive_e_prci.h
@@ -0,0 +1,71 @@
+/*
+ * QEMU SiFive E PRCI (Power, Reset, Clock, Interrupt) interface
+ *
+ * Copyright (c) 2017 SiFive, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2 or later, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef HW_SIFIVE_E_PRCI_H
+#define HW_SIFIVE_E_PRCI_H
+
+enum {
+ SIFIVE_E_PRCI_HFROSCCFG = 0x0,
+ SIFIVE_E_PRCI_HFXOSCCFG = 0x4,
+ SIFIVE_E_PRCI_PLLCFG = 0x8,
+ SIFIVE_E_PRCI_PLLOUTDIV = 0xC
+};
+
+enum {
+ SIFIVE_E_PRCI_HFROSCCFG_RDY = (1 << 31),
+ SIFIVE_E_PRCI_HFROSCCFG_EN = (1 << 30)
+};
+
+enum {
+ SIFIVE_E_PRCI_HFXOSCCFG_RDY = (1 << 31),
+ SIFIVE_E_PRCI_HFXOSCCFG_EN = (1 << 30)
+};
+
+enum {
+ SIFIVE_E_PRCI_PLLCFG_PLLSEL = (1 << 16),
+ SIFIVE_E_PRCI_PLLCFG_REFSEL = (1 << 17),
+ SIFIVE_E_PRCI_PLLCFG_BYPASS = (1 << 18),
+ SIFIVE_E_PRCI_PLLCFG_LOCK = (1 << 31)
+};
+
+enum {
+ SIFIVE_E_PRCI_PLLOUTDIV_DIV1 = (1 << 8)
+};
+
+#define SIFIVE_E_PRCI_REG_SIZE 0x1000
+
+#define TYPE_SIFIVE_E_PRCI "riscv.sifive.e.prci"
+
+#define SIFIVE_E_PRCI(obj) \
+ OBJECT_CHECK(SiFiveEPRCIState, (obj), TYPE_SIFIVE_E_PRCI)
+
+typedef struct SiFiveEPRCIState {
+ /*< private >*/
+ SysBusDevice parent_obj;
+
+ /*< public >*/
+ MemoryRegion mmio;
+ uint32_t hfrosccfg;
+ uint32_t hfxosccfg;
+ uint32_t pllcfg;
+ uint32_t plloutdiv;
+} SiFiveEPRCIState;
+
+DeviceState *sifive_e_prci_create(hwaddr addr);
+
+#endif