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 868ea54b4fef2c2d9d9819a986ca58f5e9c7800b..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
 
 /*
@@ -14,9 +17,15 @@
 #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)
 
 #ifndef __ASSEMBLY__
 
@@ -71,6 +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);
@@ -88,6 +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 */
@@ -136,7 +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
@@ -194,7 +234,7 @@ void save_boot_params_ret(void);
 static inline unsigned int get_cr(void)
 {
        unsigned int val;
-       asm("mrc p15, 0, %0, c1, c0, 0  @ get CR" : "=r" (val) : : "cc");
+       asm volatile("mrc p15, 0, %0, c1, c0, 0 @ get CR" : "=r" (val) : : "cc");
        return val;
 }
 
@@ -278,11 +318,6 @@ enum {
  */
 void mmu_page_table_flush(unsigned long start, unsigned long stop);
 
-#ifdef CONFIG_SYS_NONCACHED_MEMORY
-void noncached_init(void);
-phys_addr_t noncached_alloc(size_t size, size_t align);
-#endif /* CONFIG_SYS_NONCACHED_MEMORY */
-
 #endif /* __ASSEMBLY__ */
 
 #define arch_align_stack(x) (x)
@@ -302,6 +337,11 @@ phys_addr_t noncached_alloc(size_t size, size_t align);
 void mmu_set_region_dcache_behaviour(phys_addr_t start, size_t size,
                                     enum dcache_option option);
 
+#ifdef CONFIG_SYS_NONCACHED_MEMORY
+void noncached_init(void);
+phys_addr_t noncached_alloc(size_t size, size_t align);
+#endif /* CONFIG_SYS_NONCACHED_MEMORY */
+
 #endif /* __ASSEMBLY__ */
 
 #endif