X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=blobdiff_plain;f=arch%2Farm%2Finclude%2Fasm%2Farmv7.h;h=c3cc5088ead885fc609874c3008d7e58d4492764;hp=392d6a2db5b9fa75e25452eadf35a3b84cb4334e;hb=0387848b1b2a726581536234c770fbabe7290354;hpb=aaf5e825606a70ddc8fca8e366d8c16a6fd3cc7c

diff --git a/arch/arm/include/asm/armv7.h b/arch/arm/include/asm/armv7.h
index 392d6a2db5..c3cc5088ea 100644
--- a/arch/arm/include/asm/armv7.h
+++ b/arch/arm/include/asm/armv7.h
@@ -7,7 +7,6 @@
  */
 #ifndef ARMV7_H
 #define ARMV7_H
-#include <linux/types.h>
 
 /* Cortex-A9 revisions */
 #define MIDR_CORTEX_A9_R0P1	0x410FC091
@@ -19,6 +18,22 @@
 #define MIDR_CORTEX_A15_R0P0	0x410FC0F0
 #define MIDR_CORTEX_A15_R2P2	0x412FC0F2
 
+/* Cortex-A7 revisions */
+#define MIDR_CORTEX_A7_R0P0	0x410FC070
+
+#define MIDR_PRIMARY_PART_MASK	0xFF0FFFF0
+
+/* ID_PFR1 feature fields */
+#define CPUID_ARM_SEC_SHIFT		4
+#define CPUID_ARM_SEC_MASK		(0xF << CPUID_ARM_SEC_SHIFT)
+#define CPUID_ARM_VIRT_SHIFT		12
+#define CPUID_ARM_VIRT_MASK		(0xF << CPUID_ARM_VIRT_SHIFT)
+#define CPUID_ARM_GENTIMER_SHIFT	16
+#define CPUID_ARM_GENTIMER_MASK		(0xF << CPUID_ARM_GENTIMER_SHIFT)
+
+/* valid bits in CBAR register / PERIPHBASE value */
+#define CBAR_MASK			0xFFFF8000
+
 /* CCSIDR */
 #define CCSIDR_LINE_SIZE_OFFSET		0
 #define CCSIDR_LINE_SIZE_MASK		0x7
@@ -41,6 +56,10 @@
 #define ARMV7_CLIDR_CTYPE_INSTRUCTION_DATA	3
 #define ARMV7_CLIDR_CTYPE_UNIFIED		4
 
+#ifndef __ASSEMBLY__
+#include <linux/types.h>
+#include <asm/io.h>
+
 /*
  * CP15 Barrier instructions
  * Please note that we have separate barrier instructions in ARMv7
@@ -51,6 +70,50 @@
 #define CP15DSB	asm volatile ("mcr     p15, 0, %0, c7, c10, 4" : : "r" (0))
 #define CP15DMB	asm volatile ("mcr     p15, 0, %0, c7, c10, 5" : : "r" (0))
 
+/*
+ * Workaround for ARM errata # 798870
+ * Set L2ACTLR[7] to reissue any memory transaction in the L2 that has been
+ * stalled for 1024 cycles to verify that its hazard condition still exists.
+ */
+static inline void v7_enable_l2_hazard_detect(void)
+{
+	uint32_t val;
+
+	/* L2ACTLR[7]: Enable hazard detect timeout */
+	asm volatile ("mrc     p15, 1, %0, c15, c0, 0\n\t" : "=r"(val));
+	val |= (1 << 7);
+	asm volatile ("mcr     p15, 1, %0, c15, c0, 0\n\t" : : "r"(val));
+}
+
+/*
+ * Workaround for ARM errata # 799270
+ * Ensure that the L2 logic has been used within the previous 256 cycles
+ * before modifying the ACTLR.SMP bit. This is required during boot before
+ * MMU has been enabled, or during a specified reset or power down sequence.
+ */
+static inline void v7_enable_smp(uint32_t address)
+{
+	uint32_t temp, val;
+
+	/* Read auxiliary control register */
+	asm volatile ("mrc     p15, 0, %0, c1, c0, 1\n\t" : "=r"(val));
+
+	/* Enable SMP */
+	val |= (1 << 6);
+
+	/* Dummy read to assure L2 access */
+	temp = readl(address);
+	temp &= 0;
+	val |= temp;
+
+	/* Write auxiliary control register */
+	asm volatile ("mcr     p15, 0, %0, c1, c0, 1\n\t" : : "r"(val));
+
+	CP15DSB;
+	CP15ISB;
+}
+
+void v7_en_l2_hazard_detect(void);
 void v7_outer_cache_enable(void);
 void v7_outer_cache_disable(void);
 void v7_outer_cache_flush_all(void);
@@ -58,4 +121,22 @@ void v7_outer_cache_inval_all(void);
 void v7_outer_cache_flush_range(u32 start, u32 end);
 void v7_outer_cache_inval_range(u32 start, u32 end);
 
+#if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV7_VIRT)
+
+int armv7_init_nonsec(void);
+bool armv7_boot_nonsec(void);
+
+/* defined in assembly file */
+unsigned int _nonsec_init(void);
+void _do_nonsec_entry(void *target_pc, unsigned long r0,
+		      unsigned long r1, unsigned long r2);
+void _smp_pen(void);
+
+extern char __secure_start[];
+extern char __secure_end[];
+
+#endif /* CONFIG_ARMV7_NONSEC || CONFIG_ARMV7_VIRT */
+
+#endif /* ! __ASSEMBLY__ */
+
 #endif