diff options
Diffstat (limited to 'roms/u-boot/arch/arm/include/asm/armv7.h')
-rw-r--r-- | roms/u-boot/arch/arm/include/asm/armv7.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/include/asm/armv7.h b/roms/u-boot/arch/arm/include/asm/armv7.h new file mode 100644 index 00000000..395444ee --- /dev/null +++ b/roms/u-boot/arch/arm/include/asm/armv7.h @@ -0,0 +1,92 @@ +/* + * (C) Copyright 2010 + * Texas Instruments, <www.ti.com> + * Aneesh V <aneesh@ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#ifndef ARMV7_H +#define ARMV7_H + +/* Cortex-A9 revisions */ +#define MIDR_CORTEX_A9_R0P1 0x410FC091 +#define MIDR_CORTEX_A9_R1P2 0x411FC092 +#define MIDR_CORTEX_A9_R1P3 0x411FC093 +#define MIDR_CORTEX_A9_R2P10 0x412FC09A + +/* Cortex-A15 revisions */ +#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 +#define CCSIDR_ASSOCIATIVITY_OFFSET 3 +#define CCSIDR_ASSOCIATIVITY_MASK (0x3FF << 3) +#define CCSIDR_NUM_SETS_OFFSET 13 +#define CCSIDR_NUM_SETS_MASK (0x7FFF << 13) + +/* + * Values for InD field in CSSELR + * Selects the type of cache + */ +#define ARMV7_CSSELR_IND_DATA_UNIFIED 0 +#define ARMV7_CSSELR_IND_INSTRUCTION 1 + +/* Values for Ctype fields in CLIDR */ +#define ARMV7_CLIDR_CTYPE_NO_CACHE 0 +#define ARMV7_CLIDR_CTYPE_INSTRUCTION_ONLY 1 +#define ARMV7_CLIDR_CTYPE_DATA_ONLY 2 +#define ARMV7_CLIDR_CTYPE_INSTRUCTION_DATA 3 +#define ARMV7_CLIDR_CTYPE_UNIFIED 4 + +#ifndef __ASSEMBLY__ +#include <linux/types.h> + +/* + * CP15 Barrier instructions + * Please note that we have separate barrier instructions in ARMv7 + * However, we use the CP15 based instructtions because we use + * -march=armv5 in U-Boot + */ +#define CP15ISB asm volatile ("mcr p15, 0, %0, c7, c5, 4" : : "r" (0)) +#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)) + +void v7_outer_cache_enable(void); +void v7_outer_cache_disable(void); +void v7_outer_cache_flush_all(void); +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_switch_nonsec(void); +int armv7_switch_hyp(void); + +/* defined in assembly file */ +unsigned int _nonsec_init(void); +void _smp_pen(void); +void _switch_to_hyp(void); +#endif /* CONFIG_ARMV7_NONSEC || CONFIG_ARMV7_VIRT */ + +#endif /* ! __ASSEMBLY__ */ + +#endif |