armv8: ls2040a: Add support of LS2040A SoC

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

diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h
index 71b31085b41f192251b6330cdc16dc45cfa57fc7..67cbbc261066e1e5547ac05a080a4a5f49ff3969 100644 (file)
--- a/arch/arm/include/asm/system.h
+++ b/arch/arm/include/asm/system.h
@@ -1,6 +1,9 @@
 #ifndef __ASM_ARM_SYSTEM_H
 #define __ASM_ARM_SYSTEM_H
 
+#include <common.h>
+#include <linux/compiler.h>
+
 #ifdef CONFIG_ARM64
 
 /*
@@ -14,7 +17,12 @@
 #define CR_WXN         (1 << 19)       /* Write Permision Imply XN     */
 #define CR_EE          (1 << 25)       /* Exception (Big) Endian       */
 
+#ifndef CONFIG_SYS_FULL_VA
 #define PGTABLE_SIZE   (0x10000)
+#else
+#define PGTABLE_SIZE   CONFIG_SYS_PGTABLE_SIZE
+#endif
+
 /* 2MB granularity */
 #define MMU_SECTION_SHIFT      21
 #define MMU_SECTION_SIZE       (1 << MMU_SECTION_SHIFT)
@@ -72,6 +80,17 @@ static inline void set_sctlr(unsigned int val)
        asm volatile("isb");
 }
 
+static inline unsigned long read_mpidr(void)
+{
+       unsigned long val;
+
+       asm volatile("mrs %0, mpidr_el1" : "=r" (val));
+
+       return val;
+}
+
+#define BSP_COREID     0
+
 void __asm_flush_dcache_all(void);
 void __asm_invalidate_dcache_all(void);
 void __asm_flush_dcache_range(u64 start, u64 end);
@@ -89,6 +108,24 @@ void smp_kick_all_cpus(void);
 
 void flush_l3_cache(void);
 
+/*
+ *Issue a hypervisor call in accordance with ARM "SMC Calling convention",
+ * DEN0028A
+ *
+ * @args: input and output arguments
+ *
+ */
+void hvc_call(struct pt_regs *args);
+
+/*
+ *Issue a secure monitor call in accordance with ARM "SMC Calling convention",
+ * DEN0028A
+ *
+ * @args: input and output arguments
+ *
+ */
+void smc_call(struct pt_regs *args);
+
 #endif /* __ASSEMBLY__ */
 
 #else /* CONFIG_ARM64 */
@@ -137,7 +174,9 @@ void flush_l3_cache(void);
 #define CR_AFE (1 << 29)       /* Access flag enable                   */
 #define CR_TE  (1 << 30)       /* Thumb exception enable               */
 
+#ifndef PGTABLE_SIZE
 #define PGTABLE_SIZE           (4096 * 4)
+#endif
 
 /*
  * This is used to ensure the compiler did actually allocate the register we