Merge branch 'next' of git://git.denx.de/u-boot-mpc83xx

[karo-tx-uboot.git] / arch / nds32 / cpu / n1213 / ag101 / cpu.c

diff --git a/arch/nds32/cpu/n1213/ag101/cpu.c b/arch/nds32/cpu/n1213/ag101/cpu.c
index 0ab666e8d744af5cab0d5768ab7372ec99685064..31d72712f3e140aa06e0c4faea3c1946062b0012 100644 (file)
--- a/arch/nds32/cpu/n1213/ag101/cpu.c
+++ b/arch/nds32/cpu/n1213/ag101/cpu.c
@@ -10,23 +10,7 @@
  * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
  * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.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+
  */
 
 /* CPU specific code */
@@ -45,10 +29,6 @@
  */
 int cleanup_before_linux(void)
 {
-#ifdef CONFIG_MMU
-       unsigned long i;
-#endif
-
        disable_interrupts();
 
 #ifdef CONFIG_MMU
@@ -86,115 +66,3 @@ int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 
        /*NOTREACHED*/
 }
-
-static inline unsigned long CACHE_LINE_SIZE(enum cache_t cache)
-{
-       if (cache == ICACHE)
-               return 8 << (((GET_ICM_CFG() & ICM_CFG_MSK_ISZ) \
-                                       >> ICM_CFG_OFF_ISZ) - 1);
-       else
-               return 8 << (((GET_DCM_CFG() & DCM_CFG_MSK_DSZ) \
-                                       >> DCM_CFG_OFF_DSZ) - 1);
-}
-
-void dcache_flush_range(unsigned long start, unsigned long end)
-{
-       unsigned long line_size;
-
-       line_size = CACHE_LINE_SIZE(DCACHE);
-
-       while (end > start) {
-               __asm__ volatile ("\n\tcctl %0, L1D_VA_WB" : : "r"(start));
-               __asm__ volatile ("\n\tcctl %0, L1D_VA_INVAL" : : "r"(start));
-               start += line_size;
-       }
-}
-
-void icache_inval_range(unsigned long start, unsigned long end)
-{
-       unsigned long line_size;
-
-       line_size = CACHE_LINE_SIZE(ICACHE);
-       while (end > start) {
-               __asm__ volatile ("\n\tcctl %0, L1I_VA_INVAL" : : "r"(start));
-               start += line_size;
-       }
-}
-
-void flush_cache(unsigned long addr, unsigned long size)
-{
-       dcache_flush_range(addr , addr + size);
-       icache_inval_range(addr , addr + size);
-}
-
-void icache_enable(void)
-{
-       __asm__ __volatile__ (
-               "mfsr   $p0, $mr8\n\t"
-               "ori    $p0, $p0, 0x01\n\t"
-               "mtsr   $p0, $mr8\n\t"
-               "isb\n\t"
-       );
-}
-
-void icache_disable(void)
-{
-       __asm__ __volatile__ (
-               "mfsr   $p0, $mr8\n\t"
-               "li     $p1, ~0x01\n\t"
-               "and    $p0, $p0, $p1\n\t"
-               "mtsr   $p0, $mr8\n\t"
-               "isb\n\t"
-       );
-}
-
-int icache_status(void)
-{
-       int ret;
-
-        __asm__ __volatile__ (
-               "mfsr   $p0, $mr8\n\t"
-               "andi   %0,  $p0, 0x01\n\t"
-               : "=r" (ret)
-               :
-               : "memory"
-       );
-
-        return ret;
-}
-
-void dcache_enable(void)
-{
-        __asm__ __volatile__ (
-               "mfsr   $p0, $mr8\n\t"
-               "ori    $p0, $p0, 0x02\n\t"
-               "mtsr   $p0, $mr8\n\t"
-               "isb\n\t"
-       );
-}
-
-void dcache_disable(void)
-{
-        __asm__ __volatile__ (
-               "mfsr   $p0, $mr8\n\t"
-               "li     $p1, ~0x02\n\t"
-               "and    $p0, $p0, $p1\n\t"
-               "mtsr   $p0, $mr8\n\t"
-               "isb\n\t"
-       );
-}
-
-int dcache_status(void)
-{
-       int ret;
-
-       __asm__ __volatile__ (
-               "mfsr   $p0, $mr8\n\t"
-               "andi   %0, $p0, 0x02\n\t"
-               : "=r" (ret)
-               :
-               : "memory"
-        );
-
-        return ret;
-}