Add GPL-2.0+ SPDX-License-Identifier to source files

[karo-tx-uboot.git] / arch / nios2 / cpu / cpu.c

diff --git a/arch/nios2/cpu/cpu.c b/arch/nios2/cpu/cpu.c
index 6379534a0b5c59175332a11b317fbd5f35fec39d..e0dcbc201f32fe6fa34f6fbece7d92cd4cfa9903 100644 (file)
--- a/arch/nios2/cpu/cpu.c
+++ b/arch/nios2/cpu/cpu.c
@@ -2,28 +2,13 @@
  * (C) Copyright 2004, Psyent Corporation <www.psyent.com>
  * Scott McNutt <smcnutt@psyent.com>
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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; either version 2 of
- * the License, or (at your option) any later version.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * 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);
@@ -40,11 +25,25 @@ int checkcpu (void)
        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);
+}
 
-int do_reset (void)
+void dcache_disable(void)
 {
-       void (*rst)(void) = (void(*)(void))CONFIG_SYS_RESET_ADDR;
-       disable_interrupts ();
-       rst();
-       return(0);
+       flush_dcache(CONFIG_SYS_DCACHE_SIZE, CONFIG_SYS_DCACHELINE_SIZE);
 }