mb/qemu-riscv: update to match current qemu version

Boots again to payload not found on qemu.

Change-Id: Ie107eb882cbaac5a5a06c1ff990e7b9364377640
Signed-off-by: Philipp Hug <philipp@hug.cx>
Reviewed-on: https://review.coreboot.org/c/30554
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

1 files changed, 25 insertions, 0 deletions

diff --git a/src/mainboard/emulation/qemu-riscv/clint.c b/src/mainboard/emulation/qemu-riscv/clint.c
new file mode 100644
index 0000000000..367d48d4ae
--- /dev/null
+++ b/src/mainboard/emulation/qemu-riscv/clint.c
@@ -0,0 +1,25 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2018 HardenedLinux
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that 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.
+ */
+
+#include <mcall.h>
+#include <mainboard/addressmap.h>
+
+/* This function is used to initialize HLS()->time/HLS()->timecmp  */
+void mtime_init(void)
+{
+	long hart_id = read_csr(mhartid);
+	HLS()->time = (uint64_t *)(QEMU_VIRT_CLINT + 0xbff8);
+	HLS()->timecmp = (uint64_t *)(QEMU_VIRT_CLINT + 0x4000 + 8 * hart_id);
+}