From e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb Mon Sep 17 00:00:00 2001
From: Yang Zhang <yang.z.zhang@intel.com>
Date: Fri, 28 Aug 2015 09:58:54 +0800
Subject: Add qemu 2.4.0

Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
---
 qemu/roms/u-boot/arch/nios2/cpu/cpu.c | 49 +++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 qemu/roms/u-boot/arch/nios2/cpu/cpu.c

(limited to 'qemu/roms/u-boot/arch/nios2/cpu/cpu.c')

diff --git a/qemu/roms/u-boot/arch/nios2/cpu/cpu.c b/qemu/roms/u-boot/arch/nios2/cpu/cpu.c
new file mode 100644
index 000000000..e0dcbc201
--- /dev/null
+++ b/qemu/roms/u-boot/arch/nios2/cpu/cpu.c
@@ -0,0 +1,49 @@
+/*
+ * (C) Copyright 2004, Psyent Corporation <www.psyent.com>
+ * Scott McNutt <smcnutt@psyent.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <nios2.h>
+#include <nios2-io.h>
+#include <asm/cache.h>
+
+#if defined (CONFIG_SYS_NIOS_SYSID_BASE)
+extern void display_sysid (void);
+#endif /* CONFIG_SYS_NIOS_SYSID_BASE */
+
+int checkcpu (void)
+{
+	printf ("CPU   : Nios-II\n");
+#if !defined(CONFIG_SYS_NIOS_SYSID_BASE)
+	printf ("SYSID : <unknown>\n");
+#else
+	display_sysid ();
+#endif
+	return (0);
+}
+
+int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+	disable_interrupts();
+	/* indirect call to go beyond 256MB limitation of toolchain */
+	nios2_callr(CONFIG_SYS_RESET_ADDR);
+	return 0;
+}
+
+int dcache_status(void)
+{
+	return 1;
+}
+
+void dcache_enable(void)
+{
+	flush_dcache(CONFIG_SYS_DCACHE_SIZE, CONFIG_SYS_DCACHELINE_SIZE);
+}
+
+void dcache_disable(void)
+{
+	flush_dcache(CONFIG_SYS_DCACHE_SIZE, CONFIG_SYS_DCACHELINE_SIZE);
+}
-- 
cgit 1.2.3-korg