Exynos542x: Add and enable get_periph_rate support

[u-boot] / arch / arm / include / asm / arch-s5pc1xx / cpu.h

diff --git a/arch/arm/include/asm/arch-s5pc1xx/cpu.h b/arch/arm/include/asm/arch-s5pc1xx/cpu.h
index 2362b9985b7ee865442ba5258ab31eac7f8f39b8..5ae5c871693f76e035ca593bc2f58ed54dc2c018 100644 (file)
--- a/arch/arm/include/asm/arch-s5pc1xx/cpu.h
+++ b/arch/arm/include/asm/arch-s5pc1xx/cpu.h
@@ -3,21 +3,7 @@
  * Minkyu Kang <mk7.kang@samsung.com>
  * Heungjun Kim <riverful.kim@samsung.com>
  *
- * 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+
  */
 
 #ifndef _S5PC1XX_CPU_H
@@ -65,10 +51,17 @@
 #include <asm/io.h>
 /* CPU detection macros */
 extern unsigned int s5p_cpu_id;
+extern unsigned int s5p_cpu_rev;
+
+static inline int s5p_get_cpu_rev(void)
+{
+       return s5p_cpu_rev;
+}
 
 static inline void s5p_set_cpu_id(void)
 {
        s5p_cpu_id = readl(S5PC100_PRO_ID);
+       s5p_cpu_rev = s5p_cpu_id & 0x000000FF;
        s5p_cpu_id = 0xC000 | ((s5p_cpu_id & 0x00FFF000) >> 12);
 }