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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-08-22 14:04:41 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-08-22 14:04:41 -0700 |
| commit | 433bcf67370bc170a345634aa1be4ee8ac905de9 (patch) | |
| tree | f2a7afc2ccc3346515e8e12208f3b2bff4e84f33 /arch/xtensa | |
| parent | b372115311942202346d93849991f07382783ef1 (diff) | |
| parent | 35d231db53a60b76e218a56da30ad071d4717b56 (diff) | |
| download | lwn-433bcf67370bc170a345634aa1be4ee8ac905de9.tar.gz lwn-433bcf67370bc170a345634aa1be4ee8ac905de9.zip | |
Merge tag 'xtensa-20180820' of git://github.com/jcmvbkbc/linux-xtensa
Pull Xtensa updates from Max Filippov:
- switch xtensa arch to the generic noncoherent direct mapping
operations
- add support for DMA_ATTR_NO_KERNEL_MAPPING attribute
- clean up users of platform/hardware.h in generic Xtensa code
- fix assembly cache maintenance code for long cache lines
- rework noMMU cache attributes initialization
- add big-endian HiFi2 test_kc705_be CPU variant
* tag 'xtensa-20180820' of git://github.com/jcmvbkbc/linux-xtensa:
xtensa: add test_kc705_be variant
xtensa: clean up boot-elf/bootstrap.S
xtensa: make bootparam parsing optional
xtensa: drop variant IRQ support
xtensa: drop unneeded platform/hardware.h headers
xtensa: move PLATFORM_NR_IRQS to Kconfig
xtensa: rework {CONFIG,PLATFORM}_DEFAULT_MEM_START
xtensa: drop unused {CONFIG,PLATFORM}_DEFAULT_MEM_SIZE
xtensa: rework noMMU cache attributes initialization
xtensa: increase ranges in ___invalidate_{i,d}cache_all
xtensa: limit offsets in __loop_cache_{all,page}
xtensa: platform-specific handling of coherent memory
xtensa: support DMA_ATTR_NO_KERNEL_MAPPING attribute
xtensa: use generic dma_noncoherent_ops
Diffstat (limited to 'arch/xtensa')
25 files changed, 1300 insertions, 310 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index 801491e98890..04d038f3b6fa 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -4,12 +4,15 @@ config ZONE_DMA config XTENSA def_bool y + select ARCH_HAS_SYNC_DMA_FOR_CPU + select ARCH_HAS_SYNC_DMA_FOR_DEVICE select ARCH_NO_COHERENT_DMA_MMAP if !MMU select ARCH_WANT_FRAME_POINTERS select ARCH_WANT_IPC_PARSE_VERSION select BUILDTIME_EXTABLE_SORT select CLONE_BACKWARDS select COMMON_CLK + select DMA_NONCOHERENT_OPS select GENERIC_ATOMIC64 select GENERIC_CLOCKEVENTS select GENERIC_IRQ_SHOW @@ -72,9 +75,6 @@ config TRACE_IRQFLAGS_SUPPORT config MMU def_bool n -config VARIANT_IRQ_SWITCH - def_bool n - config HAVE_XTENSA_GPIO32 def_bool n @@ -244,6 +244,23 @@ config INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX If in doubt, say Y. +config MEMMAP_CACHEATTR + hex "Cache attributes for the memory address space" + depends on !MMU + default 0x22222222 + help + These cache attributes are set up for noMMU systems. Each hex digit + specifies cache attributes for the corresponding 512MB memory + region: bits 0..3 -- for addresses 0x00000000..0x1fffffff, + bits 4..7 -- for addresses 0x20000000..0x3fffffff, and so on. + + Cache attribute values are specific for the MMU type, so e.g. + for region protection MMUs: 2 is cache bypass, 4 is WB cached, + 1 is WT cached, f is illegal. For ful MMU: bit 0 makes it executable, + bit 1 makes it writable, bits 2..3 meaning is 0: cache bypass, + 1: WB cache, 2: WT cache, 3: special (c and e are illegal, f is + reserved). + config KSEG_PADDR hex "Physical address of the KSEG mapping" depends on INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX && MMU @@ -413,6 +430,10 @@ config XTENSA_PLATFORM_XTFPGA endchoice +config PLATFORM_NR_IRQS + int + default 3 if XTENSA_PLATFORM_XT2000 + default 0 config XTENSA_CPU_CLOCK int "CPU clock rate [MHz]" @@ -450,6 +471,15 @@ config BUILTIN_DTB string "DTB to build into the kernel image" depends on OF +config PARSE_BOOTPARAM + bool "Parse bootparam block" + default y + help + Parse parameters passed to the kernel from the bootloader. It may + be disabled if the kernel is known to run without the bootloader. + + If unsure, say Y. + config BLK_DEV_SIMDISK tristate "Host file-based simulated block device support" default n @@ -506,25 +536,13 @@ config PLATFORM_WANT_DEFAULT_MEM def_bool n config DEFAULT_MEM_START - hex "Physical address of the default memory area start" - depends on PLATFORM_WANT_DEFAULT_MEM - default 0x00000000 if MMU - default 0x60000000 if !MMU - help - This is the base address of the default memory area. - Default memory area has platform-specific meaning, it may be used - for e.g. early cache initialization. - - If unsure, leave the default value here. - -config DEFAULT_MEM_SIZE - hex "Maximal size of the default memory area" - depends on PLATFORM_WANT_DEFAULT_MEM - default 0x04000000 + hex + prompt "PAGE_OFFSET/PHYS_OFFSET" if !MMU && PLATFORM_WANT_DEFAULT_MEM + default 0x60000000 if PLATFORM_WANT_DEFAULT_MEM + default 0x00000000 help - This is the size of the default memory area. - Default memory area has platform-specific meaning, it may be used - for e.g. early cache initialization. + This is the base address used for both PAGE_OFFSET and PHYS_OFFSET + in noMMU configurations. If unsure, leave the default value here. diff --git a/arch/xtensa/boot/boot-elf/bootstrap.S b/arch/xtensa/boot/boot-elf/bootstrap.S index b6aa85328ac0..29c68426ab56 100644 --- a/arch/xtensa/boot/boot-elf/bootstrap.S +++ b/arch/xtensa/boot/boot-elf/bootstrap.S @@ -15,10 +15,6 @@ */ #include <asm/bootparam.h> -#include <asm/processor.h> -#include <asm/pgtable.h> -#include <asm/page.h> -#include <asm/cacheasm.h> #include <asm/initialize_mmu.h> #include <asm/vectors.h> #include <linux/linkage.h> @@ -33,16 +29,18 @@ _ResetVector: .begin no-absolute-literals .literal_position - .align 4 -RomInitAddr: #if defined(CONFIG_INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX) && \ XCHAL_HAVE_PTP_MMU && XCHAL_HAVE_SPANNING_WAY - .word CONFIG_KERNEL_LOAD_ADDRESS + .literal RomInitAddr, CONFIG_KERNEL_LOAD_ADDRESS #else - .word KERNELOFFSET + .literal RomInitAddr, KERNELOFFSET #endif -RomBootParam: - .word _bootparam +#ifndef CONFIG_PARSE_BOOTPARAM + .literal RomBootParam, 0 +#else + .literal RomBootParam, _bootparam + + .align 4 _bootparam: .short BP_TAG_FIRST .short 4 @@ -50,6 +48,7 @@ _bootparam: .short BP_TAG_LAST .short 0 .long 0 +#endif .align 4 _SetupMMU: diff --git a/arch/xtensa/configs/nommu_kc705_defconfig b/arch/xtensa/configs/nommu_kc705_defconfig index 624f9b3a3878..f3fc4f970ca8 100644 --- a/arch/xtensa/configs/nommu_kc705_defconfig +++ b/arch/xtensa/configs/nommu_kc705_defconfig @@ -33,13 +33,13 @@ CONFIG_XTENSA_VARIANT_CUSTOM_NAME="de212" # CONFIG_XTENSA_VARIANT_MMU is not set CONFIG_XTENSA_UNALIGNED_USER=y CONFIG_PREEMPT=y +CONFIG_MEMMAP_CACHEATTR=0xfff2442f # CONFIG_PCI is not set CONFIG_XTENSA_PLATFORM_XTFPGA=y CONFIG_CMDLINE_BOOL=y CONFIG_CMDLINE="earlycon=uart8250,mmio32native,0x9d050020,115200n8 console=ttyS0,115200n8 ip=dhcp root=/dev/nfs rw debug memmap=256M@0x60000000" CONFIG_USE_OF=y CONFIG_BUILTIN_DTB="kc705_nommu" -CONFIG_DEFAULT_MEM_SIZE=0x10000000 CONFIG_BINFMT_FLAT=y CONFIG_NET=y CONFIG_PACKET=y diff --git a/arch/xtensa/include/asm/Kbuild b/arch/xtensa/include/asm/Kbuild index e5e1e61c538c..82c756431b49 100644 --- a/arch/xtensa/include/asm/Kbuild +++ b/arch/xtensa/include/asm/Kbuild @@ -3,6 +3,7 @@ generic-y += compat.h generic-y += device.h generic-y += div64.h generic-y += dma-contiguous.h +generic-y += dma-mapping.h generic-y += emergency-restart.h generic-y += exec.h generic-y += extable.h diff --git a/arch/xtensa/include/asm/cacheasm.h b/arch/xtensa/include/asm/cacheasm.h index 2041abb10a23..34545ecfdd6b 100644 --- a/arch/xtensa/include/asm/cacheasm.h +++ b/arch/xtensa/include/asm/cacheasm.h @@ -31,16 +31,32 @@ * */ - .macro __loop_cache_all ar at insn size line_width - movi \ar, 0 + .macro __loop_cache_unroll ar at insn size line_width max_immed + + .if (1 << (\line_width)) > (\max_immed) + .set _reps, 1 + .elseif (2 << (\line_width)) > (\max_immed) + .set _reps, 2 + .else + .set _reps, 4 + .endif + + __loopi \ar, \at, \size, (_reps << (\line_width)) + .set _index, 0 + .rep _reps + \insn \ar, _index << (\line_width) + .set _index, _index + 1 + .endr + __endla \ar, \at, _reps << (\line_width) + + .endm + - __loopi \ar, \at, \size, (4 << (\line_width)) - \insn \ar, 0 << (\line_width) - \insn \ar, 1 << (\line_width) - \insn \ar, 2 << (\line_width) - \insn \ar, 3 << (\line_width) - __endla \ar, \at, 4 << (\line_width) + .macro __loop_cache_all ar at insn size line_width max_immed + + movi \ar, 0 + __loop_cache_unroll \ar, \at, \insn, \size, \line_width, \max_immed .endm @@ -57,14 +73,9 @@ .endm - .macro __loop_cache_page ar at insn line_width + .macro __loop_cache_page ar at insn line_width max_immed - __loopi \ar, \at, PAGE_SIZE, 4 << (\line_width) - \insn \ar, 0 << (\line_width) - \insn \ar, 1 << (\line_width) - \insn \ar, 2 << (\line_width) - \insn \ar, 3 << (\line_width) - __endla \ar, \at, 4 << (\line_width) + __loop_cache_unroll \ar, \at, \insn, PAGE_SIZE, \line_width, \max_immed .endm @@ -72,7 +83,8 @@ .macro ___unlock_dcache_all ar at #if XCHAL_DCACHE_LINE_LOCKABLE && XCHAL_DCACHE_SIZE - __loop_cache_all \ar \at diu XCHAL_DCACHE_SIZE XCHAL_DCACHE_LINEWIDTH + __loop_cache_all \ar \at diu XCHAL_DCACHE_SIZE \ + XCHAL_DCACHE_LINEWIDTH 240 #endif .endm @@ -81,7 +93,8 @@ .macro ___unlock_icache_all ar at #if XCHAL_ICACHE_LINE_LOCKABLE && XCHAL_ICACHE_SIZE - __loop_cache_all \ar \at iiu XCHAL_ICACHE_SIZE XCHAL_ICACHE_LINEWIDTH + __loop_cache_all \ar \at iiu XCHAL_ICACHE_SIZE \ + XCHAL_ICACHE_LINEWIDTH 240 #endif .endm @@ -90,7 +103,8 @@ .macro ___flush_invalidate_dcache_all ar at #if XCHAL_DCACHE_SIZE - __loop_cache_all \ar \at diwbi XCHAL_DCACHE_SIZE XCHAL_DCACHE_LINEWIDTH + __loop_cache_all \ar \at diwbi XCHAL_DCACHE_SIZE \ + XCHAL_DCACHE_LINEWIDTH 240 #endif .endm @@ -99,7 +113,8 @@ .macro ___flush_dcache_all ar at #if XCHAL_DCACHE_SIZE - __loop_cache_all \ar \at diwb XCHAL_DCACHE_SIZE XCHAL_DCACHE_LINEWIDTH + __loop_cache_all \ar \at diwb XCHAL_DCACHE_SIZE \ + XCHAL_DCACHE_LINEWIDTH 240 #endif .endm @@ -108,8 +123,8 @@ .macro ___invalidate_dcache_all ar at #if XCHAL_DCACHE_SIZE - __loop_cache_all \ar \at dii __stringify(DCACHE_WAY_SIZE) \ - XCHAL_DCACHE_LINEWIDTH + __loop_cache_all \ar \at dii XCHAL_DCACHE_SIZE \ + XCHAL_DCACHE_LINEWIDTH 1020 #endif .endm @@ -118,8 +133,8 @@ .macro ___invalidate_icache_all ar at #if XCHAL_ICACHE_SIZE - __loop_cache_all \ar \at iii __stringify(ICACHE_WAY_SIZE) \ - XCHAL_ICACHE_LINEWIDTH + __loop_cache_all \ar \at iii XCHAL_ICACHE_SIZE \ + XCHAL_ICACHE_LINEWIDTH 1020 #endif .endm @@ -166,7 +181,7 @@ .macro ___flush_invalidate_dcache_page ar as #if XCHAL_DCACHE_SIZE - __loop_cache_page \ar \as dhwbi XCHAL_DCACHE_LINEWIDTH + __loop_cache_page \ar \as dhwbi XCHAL_DCACHE_LINEWIDTH 1020 #endif .endm @@ -175,7 +190,7 @@ .macro ___flush_dcache_page ar as #if XCHAL_DCACHE_SIZE - __loop_cache_page \ar \as dhwb XCHAL_DCACHE_LINEWIDTH + __loop_cache_page \ar \as dhwb XCHAL_DCACHE_LINEWIDTH 1020 #endif .endm @@ -184,7 +199,7 @@ .macro ___invalidate_dcache_page ar as #if XCHAL_DCACHE_SIZE - __loop_cache_page \ar \as dhi XCHAL_DCACHE_LINEWIDTH + __loop_cache_page \ar \as dhi XCHAL_DCACHE_LINEWIDTH 1020 #endif .endm @@ -193,7 +208,7 @@ .macro ___invalidate_icache_page ar as #if XCHAL_ICACHE_SIZE - __loop_cache_page \ar \as ihi XCHAL_ICACHE_LINEWIDTH + __loop_cache_page \ar \as ihi XCHAL_ICACHE_LINEWIDTH 1020 #endif .endm diff --git a/arch/xtensa/include/asm/dma-mapping.h b/arch/xtensa/include/asm/dma-mapping.h deleted file mode 100644 index 44098800dad7..000000000000 --- a/arch/xtensa/include/asm/dma-mapping.h +++ /dev/null @@ -1,26 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2003 - 2005 Tensilica Inc. - * Copyright (C) 2015 Cadence Design Systems Inc. - */ - -#ifndef _XTENSA_DMA_MAPPING_H -#define _XTENSA_DMA_MAPPING_H - -#include <asm/cache.h> -#include <asm/io.h> - -#include <linux/mm.h> -#include <linux/scatterlist.h> - -extern const struct dma_map_ops xtensa_dma_map_ops; - -static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) -{ - return &xtensa_dma_map_ops; -} - -#endif /* _XTENSA_DMA_MAPPING_H */ diff --git a/arch/xtensa/include/asm/initialize_mmu.h b/arch/xtensa/include/asm/initialize_mmu.h index 42410f253597..10e9852b2fb4 100644 --- a/arch/xtensa/include/asm/initialize_mmu.h +++ b/arch/xtensa/include/asm/initialize_mmu.h @@ -177,36 +177,36 @@ #endif /* defined(CONFIG_MMU) && XCHAL_HAVE_PTP_MMU && XCHAL_HAVE_SPANNING_WAY */ -#if !defined(CONFIG_MMU) && XCHAL_HAVE_TLBS && \ - (XCHAL_DCACHE_SIZE || XCHAL_ICACHE_SIZE) - /* Enable data and instruction cache in the DEFAULT_MEMORY region - * if the processor has DTLB and ITLB. - */ + .endm + + .macro initialize_cacheattr - movi a5, PLATFORM_DEFAULT_MEM_START | XCHAL_SPANNING_WAY +#if !defined(CONFIG_MMU) && XCHAL_HAVE_TLBS +#if CONFIG_MEMMAP_CACHEATTR == 0x22222222 && XCHAL_HAVE_PTP_MMU +#error Default MEMMAP_CACHEATTR of 0x22222222 does not work with full MMU. +#endif + + movi a5, XCHAL_SPANNING_WAY movi a6, ~_PAGE_ATTRIB_MASK - movi a7, CA_WRITEBACK + movi a4, CONFIG_MEMMAP_CACHEATTR movi a8, 0x20000000 - movi a9, PLATFORM_DEFAULT_MEM_SIZE - j 2f 1: - sub a9, a9, a8 -2: -#if XCHAL_DCACHE_SIZE rdtlb1 a3, a5 + xor a3, a3, a4 and a3, a3, a6 - or a3, a3, a7 + xor a3, a3, a4 wdtlb a3, a5 -#endif -#if XCHAL_ICACHE_SIZE - ritlb1 a4, a5 - and a4, a4, a6 - or a4, a4, a7 - witlb a4, a5 -#endif + ritlb1 a3, a5 + xor a3, a3, a4 + and a3, a3, a6 + xor a3, a3, a4 + witlb a3, a5 + add a5, a5, a8 - bltu a8, a9, 1b + srli a4, a4, 4 + bgeu a5, a8, 1b + isync #endif .endm diff --git a/arch/xtensa/include/asm/irq.h b/arch/xtensa/include/asm/irq.h index 19707db966f1..6c6ed23e0c79 100644 --- a/arch/xtensa/include/asm/irq.h +++ b/arch/xtensa/include/asm/irq.h @@ -12,32 +12,17 @@ #define _XTENSA_IRQ_H #include <linux/init.h> -#include <platform/hardware.h> #include <variant/core.h> -#ifdef CONFIG_VARIANT_IRQ_SWITCH -#include <variant/irq.h> +#ifdef CONFIG_PLATFORM_NR_IRQS +# define PLATFORM_NR_IRQS CONFIG_PLATFORM_NR_IRQS #else -static inline void variant_irq_enable(unsigned int irq) { } -static inline void variant_irq_disable(unsigned int irq) { } -#endif - -#ifndef VARIANT_NR_IRQS -# define VARIANT_NR_IRQS 0 -#endif -#ifndef PLATFORM_NR_IRQS # define PLATFORM_NR_IRQS 0 #endif #define XTENSA_NR_IRQS XCHAL_NUM_INTERRUPTS -#define NR_IRQS (XTENSA_NR_IRQS + VARIANT_NR_IRQS + PLATFORM_NR_IRQS + 1) +#define NR_IRQS (XTENSA_NR_IRQS + PLATFORM_NR_IRQS + 1) #define XTENSA_PIC_LINUX_IRQ(hwirq) ((hwirq) + 1) -#if VARIANT_NR_IRQS == 0 -static inline void variant_init_irq(void) { } -#else -void variant_init_irq(void) __init; -#endif - static __inline__ int irq_canonicalize(int irq) { return (irq); diff --git a/arch/xtensa/include/asm/kmem_layout.h b/arch/xtensa/include/asm/kmem_layout.h index 2317c835a4db..9c12babc016c 100644 --- a/arch/xtensa/include/asm/kmem_layout.h +++ b/arch/xtensa/include/asm/kmem_layout.h @@ -63,12 +63,6 @@ #error XCHAL_KSEG_PADDR is not properly aligned to XCHAL_KSEG_ALIGNMENT #endif -#else - -#define XCHAL_KSEG_CACHED_VADDR __XTENSA_UL_CONST(0xd0000000) -#define XCHAL_KSEG_BYPASS_VADDR __XTENSA_UL_CONST(0xd8000000) -#define XCHAL_KSEG_SIZE __XTENSA_UL_CONST(0x08000000) - #endif #ifndef CONFIG_KASAN diff --git a/arch/xtensa/include/asm/page.h b/arch/xtensa/include/asm/page.h index 5d69c11c01b8..09c56cba442e 100644 --- a/arch/xtensa/include/asm/page.h +++ b/arch/xtensa/include/asm/page.h @@ -14,7 +14,6 @@ #include <asm/processor.h> #include <asm/types.h> #include <asm/cache.h> -#include <platform/hardware.h> #include <asm/kmem_layout.h> /* @@ -31,8 +30,8 @@ #define MAX_LOW_PFN (PHYS_PFN(XCHAL_KSEG_PADDR) + \ PHYS_PFN(XCHAL_KSEG_SIZE)) #else -#define PAGE_OFFSET PLATFORM_DEFAULT_MEM_START -#define PHYS_OFFSET PLATFORM_DEFAULT_MEM_START +#define PAGE_OFFSET _AC(CONFIG_DEFAULT_MEM_START, UL) +#define PHYS_OFFSET _AC(CONFIG_DEFAULT_MEM_START, UL) #define MAX_LOW_PFN PHYS_PFN(0xfffffffful) #endif diff --git a/arch/xtensa/include/asm/pgtable.h b/arch/xtensa/include/asm/pgtable.h index 38802259978f..29cfe421cf41 100644 --- a/arch/xtensa/include/asm/pgtable.h +++ b/arch/xtensa/include/asm/pgtable.h @@ -66,6 +66,7 @@ #define FIRST_USER_ADDRESS 0UL #define FIRST_USER_PGD_NR (FIRST_USER_ADDRESS >> PGDIR_SHIFT) +#ifdef CONFIG_MMU /* * Virtual memory area. We keep a distance to other memory regions to be * on the safe side. We also use this area for cache aliasing. @@ -80,6 +81,13 @@ #define TLBTEMP_SIZE ICACHE_WAY_SIZE #endif +#else + +#define VMALLOC_START __XTENSA_UL_CONST(0) +#define VMALLOC_END __XTENSA_UL_CONST(0xffffffff) + +#endif + /* * For the Xtensa architecture, the PTE layout is as follows: * diff --git a/arch/xtensa/include/asm/platform.h b/arch/xtensa/include/asm/platform.h index f8fbef67bc5f..560483356a06 100644 --- a/arch/xtensa/include/asm/platform.h +++ b/arch/xtensa/include/asm/platform.h @@ -75,4 +75,31 @@ extern void platform_calibrate_ccount (void); */ void cpu_reset(void) __attribute__((noreturn)); +/* + * Memory caching is platform-dependent in noMMU xtensa configurations. + * The following set of functions should be implemented in platform code + * in order to enable coherent DMA memory operations when CONFIG_MMU is not + * enabled. Default implementations do nothing and issue a warning. + */ + +/* + * Check whether p points to a cached memory. + */ +bool platform_vaddr_cached(const void *p); + +/* + * Check whether p points to an uncached memory. + */ +bool platform_vaddr_uncached(const void *p); + +/* + * Return pointer to an uncached view of the cached sddress p. + */ +void *platform_vaddr_to_uncached(void *p); + +/* + * Return pointer to a cached view of the uncached sddress p. + */ +void *platform_vaddr_to_cached(void *p); + #endif /* _XTENSA_PLATFORM_H */ diff --git a/arch/xtensa/include/asm/processor.h b/arch/xtensa/include/asm/processor.h index 5b0027d4ecc0..e4ccb88b7996 100644 --- a/arch/xtensa/include/asm/processor.h +++ b/arch/xtensa/include/asm/processor.h @@ -11,7 +11,6 @@ #define _XTENSA_PROCESSOR_H #include <variant/core.h> -#include <platform/hardware.h> #include <linux/compiler.h> #include <asm/ptrace.h> diff --git a/arch/xtensa/include/asm/vectors.h b/arch/xtensa/include/asm/vectors.h index 65d3da9db19b..7111280c8842 100644 --- a/arch/xtensa/include/asm/vectors.h +++ b/arch/xtensa/include/asm/vectors.h @@ -19,7 +19,6 @@ #define _XTENSA_VECTORS_H #include <variant/core.h> -#include <platform/hardware.h> #include <asm/kmem_layout.h> #if XCHAL_HAVE_PTP_MMU diff --git a/arch/xtensa/kernel/head.S b/arch/xtensa/kernel/head.S index 9c4e9433e536..2f76118ecf62 100644 --- a/arch/xtensa/kernel/head.S +++ b/arch/xtensa/kernel/head.S @@ -181,6 +181,8 @@ ENTRY(_startup) isync + initialize_cacheattr + #ifdef CONFIG_HAVE_SMP movi a2, CCON # MX External Register to Configure Cache movi a3, 1 diff --git a/arch/xtensa/kernel/irq.c b/arch/xtensa/kernel/irq.c index 18e4ef34ac45..a48bf2d10ac2 100644 --- a/arch/xtensa/kernel/irq.c +++ b/arch/xtensa/kernel/irq.c @@ -158,7 +158,6 @@ void __init init_IRQ(void) #ifdef CONFIG_SMP ipi_init(); #endif - variant_init_irq(); } #ifdef CONFIG_HOTPLUG_CPU diff --git a/arch/xtensa/kernel/pci-dma.c b/arch/xtensa/kernel/pci-dma.c index a02dc563d290..1fc138b6bc0a 100644 --- a/arch/xtensa/kernel/pci-dma.c +++ b/arch/xtensa/kernel/pci-dma.c @@ -16,26 +16,25 @@ */ #include <linux/dma-contiguous.h> +#include <linux/dma-noncoherent.h> #include <linux/dma-direct.h> #include <linux/gfp.h> #include <linux/highmem.h> #include <linux/mm.h> -#include <linux/module.h> -#include <linux/pci.h> -#include <linux/string.h> #include <linux/types.h> #include <asm/cacheflush.h> #include <asm/io.h> +#include <asm/platform.h> -static void do_cache_op(dma_addr_t dma_handle, size_t size, +static void do_cache_op(phys_addr_t paddr, size_t size, void (*fn)(unsigned long, unsigned long)) { - unsigned long off = dma_handle & (PAGE_SIZE - 1); - unsigned long pfn = PFN_DOWN(dma_handle); + unsigned long off = paddr & (PAGE_SIZE - 1); + unsigned long pfn = PFN_DOWN(paddr); struct page *page = pfn_to_page(pfn); if (!PageHighMem(page)) - fn((unsigned long)bus_to_virt(dma_handle), size); + fn((unsigned long)phys_to_virt(paddr), size); else while (size > 0) { size_t sz = min_t(size_t, size, PAGE_SIZE - off); @@ -49,14 +48,13 @@ static void do_cache_op(dma_addr_t dma_handle, size_t size, } } -static void xtensa_sync_single_for_cpu(struct device *dev, - dma_addr_t dma_handle, size_t size, - enum dma_data_direction dir) +void arch_sync_dma_for_cpu(struct device *dev, phys_addr_t paddr, + size_t size, enum dma_data_direction dir) { switch (dir) { case DMA_BIDIRECTIONAL: case DMA_FROM_DEVICE: - do_cache_op(dma_handle, size, __invalidate_dcache_range); + do_cache_op(paddr, size, __invalidate_dcache_range); break; case DMA_NONE: @@ -68,15 +66,14 @@ static void xtensa_sync_single_for_cpu(struct device *dev, } } -static void xtensa_sync_single_for_device(struct device *dev, - dma_addr_t dma_handle, size_t size, - enum dma_data_direction dir) +void arch_sync_dma_for_device(struct device *dev, phys_addr_t paddr, + size_t size, enum dma_data_direction dir) { switch (dir) { case DMA_BIDIRECTIONAL: case DMA_TO_DEVICE: if (XCHAL_DCACHE_IS_WRITEBACK) - do_cache_op(dma_handle, size, __flush_dcache_range); + do_cache_op(paddr, size, __flush_dcache_range); break; case DMA_NONE: @@ -88,43 +85,66 @@ static void xtensa_sync_single_for_device(struct device *dev, } } -static void xtensa_sync_sg_for_cpu(struct device *dev, - struct scatterlist *sg, int nents, - enum dma_data_direction dir) +#ifdef CONFIG_MMU +bool platform_vaddr_cached(const void *p) { - struct scatterlist *s; - int i; + unsigned long addr = (unsigned long)p; - for_each_sg(sg, s, nents, i) { - xtensa_sync_single_for_cpu(dev, sg_dma_address(s), - sg_dma_len(s), dir); - } + return addr >= XCHAL_KSEG_CACHED_VADDR && + addr - XCHAL_KSEG_CACHED_VADDR < XCHAL_KSEG_SIZE; } -static void xtensa_sync_sg_for_device(struct device *dev, - struct scatterlist *sg, int nents, - enum dma_data_direction dir) +bool platform_vaddr_uncached(const void *p) { - struct scatterlist *s; - int i; + unsigned long addr = (unsigned long)p; - for_each_sg(sg, s, nents, i) { - xtensa_sync_single_for_device(dev, sg_dma_address(s), - sg_dma_len(s), dir); - } + return addr >= XCHAL_KSEG_BYPASS_VADDR && + addr - XCHAL_KSEG_BYPASS_VADDR < XCHAL_KSEG_SIZE; +} + +void *platform_vaddr_to_uncached(void *p) +{ + return p + XCHAL_KSEG_BYPASS_VADDR - XCHAL_KSEG_CACHED_VADDR; +} + +void *platform_vaddr_to_cached(void *p) +{ + return p + XCHAL_KSEG_CACHED_VADDR - XCHAL_KSEG_BYPASS_VADDR; +} +#else +bool __attribute__((weak)) platform_vaddr_cached(const void *p) +{ + WARN_ONCE(1, "Default %s implementation is used\n", __func__); + return true; +} + +bool __attribute__((weak)) platform_vaddr_uncached(const void *p) +{ + WARN_ONCE(1, "Default %s implementation is used\n", __func__); + return false; +} + +void __attribute__((weak)) *platform_vaddr_to_uncached(void *p) +{ + WARN_ONCE(1, "Default %s implementation is used\n", __func__); + return p; +} + +void __attribute__((weak)) *platform_vaddr_to_cached(void *p) +{ + WARN_ONCE(1, "Default %s implementation is used\n", __func__); + return p; } +#endif /* * Note: We assume that the full memory space is always mapped to 'kseg' * Otherwise we have to use page attributes (not implemented). */ -static void *xtensa_dma_alloc(struct device *dev, size_t size, - dma_addr_t *handle, gfp_t flag, - unsigned long attrs) +void *arch_dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, + gfp_t flag, unsigned long attrs) { - unsigned long ret; - unsigned long uncached; unsigned long count = PAGE_ALIGN(size) >> PAGE_SHIFT; struct page *page = NULL; @@ -147,6 +167,10 @@ static void *xtensa_dma_alloc(struct device *dev, size_t size, *handle = phys_to_dma(dev, page_to_phys(page)); + if (attrs & DMA_ATTR_NO_KERNEL_MAPPING) { + return page; + } + #ifdef CONFIG_MMU if (PageHighMem(page)) { void *p; @@ -161,27 +185,21 @@ static void *xtensa_dma_alloc(struct device *dev, size_t size, return p; } #endif - ret = (unsigned long)page_address(page); - BUG_ON(ret < XCHAL_KSEG_CACHED_VADDR || - ret > XCHAL_KSEG_CACHED_VADDR + XCHAL_KSEG_SIZE - 1); - - uncached = ret + XCHAL_KSEG_BYPASS_VADDR - XCHAL_KSEG_CACHED_VADDR; - __invalidate_dcache_range(ret, size); - - return (void *)uncached; + BUG_ON(!platform_vaddr_cached(page_address(page))); + __invalidate_dcache_range((unsigned long)page_address(page), size); + return platform_vaddr_to_uncached(page_address(page)); } -static void xtensa_dma_free(struct device *dev, size_t size, void *vaddr, - dma_addr_t dma_handle, unsigned long attrs) +void arch_dma_free(struct device *dev, size_t size, void *vaddr, + dma_addr_t dma_handle, unsigned long attrs) { unsigned long count = PAGE_ALIGN(size) >> PAGE_SHIFT; - unsigned long addr = (unsigned long)vaddr; struct page *page; - if (addr >= XCHAL_KSEG_BYPASS_VADDR && - addr - XCHAL_KSEG_BYPASS_VADDR < XCHAL_KSEG_SIZE) { - addr += XCHAL_KSEG_CACHED_VADDR - XCHAL_KSEG_BYPASS_VADDR; - page = virt_to_page(addr); + if (attrs & DMA_ATTR_NO_KERNEL_MAPPING) { + page = vaddr; + } else if (platform_vaddr_uncached(vaddr)) { + page = virt_to_page(platform_vaddr_to_cached(vaddr)); } else { #ifdef CONFIG_MMU dma_common_free_remap(vaddr, size, VM_MAP); @@ -192,72 +210,3 @@ static void xtensa_dma_free(struct device *dev, size_t size, void *vaddr, if (!dma_release_from_contiguous(dev, page, count)) __free_pages(page, get_order(size)); } - -static dma_addr_t xtensa_map_page(struct device *dev, struct page *page, - unsigned long offset, size_t size, - enum dma_data_direction dir, - unsigned long attrs) -{ - dma_addr_t dma_handle = page_to_phys(page) + offset; - - if (!(attrs & DMA_ATTR_SKIP_CPU_SYNC)) - xtensa_sync_single_for_device(dev, dma_handle, size, dir); - - return dma_handle; -} - -static void xtensa_unmap_page(struct device *dev, dma_addr_t dma_handle, - size_t size, enum dma_data_direction dir, - unsigned long attrs) -{ - if (!(attrs & DMA_ATTR_SKIP_CPU_SYNC)) - xtensa_sync_single_for_cpu(dev, dma_handle, size, dir); -} - -static int xtensa_map_sg(struct device *dev, struct scatterlist *sg, - int nents, enum dma_data_direction dir, - unsigned long attrs) -{ - struct scatterlist *s; - int i; - - for_each_sg(sg, s, nents, i) { - s->dma_address = xtensa_map_page(dev, sg_page(s), s->offset, - s->length, dir, attrs); - } - return nents; -} - -static void xtensa_unmap_sg(struct device *dev, - struct scatterlist *sg, int nents, - enum dma_data_direction dir, - unsigned long attrs) -{ - struct scatterlist *s; - int i; - - for_each_sg(sg, s, nents, i) { - xtensa_unmap_page(dev, sg_dma_address(s), - sg_dma_len(s), dir, attrs); - } -} - -int xtensa_dma_mapping_error(struct device *dev, dma_addr_t dma_addr) -{ - return 0; -} - -const struct dma_map_ops xtensa_dma_map_ops = { - .alloc = xtensa_dma_alloc, - .free = xtensa_dma_free, - .map_page = xtensa_map_page, - .unmap_page = xtensa_unmap_page, - .map_sg = xtensa_map_sg, - .unmap_sg = xtensa_unmap_sg, - .sync_single_for_cpu = xtensa_sync_single_for_cpu, - .sync_single_for_device = xtensa_sync_single_for_device, - .sync_sg_for_cpu = xtensa_sync_sg_for_cpu, - .sync_sg_for_device = xtensa_sync_sg_for_device, - .mapping_error = xtensa_dma_mapping_error, -}; -EXPORT_SYMBOL(xtensa_dma_map_ops); diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c index 686a27444bba..351283b60df6 100644 --- a/arch/xtensa/kernel/setup.c +++ b/arch/xtensa/kernel/setup.c @@ -47,8 +47,6 @@ #include <asm/smp.h> #include <asm/sysmem.h> -#include <platform/hardware.h> - #if defined(CONFIG_VGA_CONSOLE) || defined(CONFIG_DUMMY_CONSOLE) struct screen_info screen_info = { .orig_x = 0, @@ -81,6 +79,7 @@ static char __initdata command_line[COMMAND_LINE_SIZE]; static char default_command_line[COMMAND_LINE_SIZE] __initdata = CONFIG_CMDLINE; #endif +#ifdef CONFIG_PARSE_BOOTPARAM /* * Boot parameter parsing. * @@ -178,6 +177,13 @@ static int __init parse_bootparam(const bp_tag_t* tag) return 0; } +#else +static int __init parse_bootparam(const bp_tag_t *tag) +{ + pr_info("Ignoring boot parameters at %p\n", tag); + return 0; +} +#endif #ifdef CONFIG_OF diff --git a/arch/xtensa/kernel/vmlinux.lds.S b/arch/xtensa/kernel/vmlinux.lds.S index 70b731edc7b8..a1c3edb8ad56 100644 --- a/arch/xtensa/kernel/vmlinux.lds.S +++ b/arch/xtensa/kernel/vmlinux.lds.S @@ -20,7 +20,7 @@ #include <asm/vectors.h> #include <variant/core.h> -#include <platform/hardware.h> + OUTPUT_ARCH(xtensa) ENTRY(_start) diff --git a/arch/xtensa/platforms/iss/include/platform/hardware.h b/arch/xtensa/platforms/iss/include/platform/hardware.h deleted file mode 100644 index 6930c12adc16..000000000000 --- a/arch/xtensa/platforms/iss/include/platform/hardware.h +++ /dev/null @@ -1,29 +0,0 @@ -/* - * include/asm-xtensa/platform-iss/hardware.h - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2001 Tensilica Inc. - */ - -/* - * This file contains the default configuration of ISS. - */ - -#ifndef _XTENSA_PLATFORM_ISS_HARDWARE_H -#define _XTENSA_PLATFORM_ISS_HARDWARE_H - -/* - * Memory configuration. - */ - -#define PLATFORM_DEFAULT_MEM_START 0x00000000 -#define PLATFORM_DEFAULT_MEM_SIZE 0x08000000 - -/* - * Interrupt configuration. - */ - -#endif /* _XTENSA_PLATFORM_ISS_HARDWARE_H */ diff --git a/arch/xtensa/platforms/xt2000/include/platform/hardware.h b/arch/xtensa/platforms/xt2000/include/platform/hardware.h index 886ef156ded3..8e5e0d6a81ec 100644 --- a/arch/xtensa/platforms/xt2000/include/platform/hardware.h +++ b/arch/xtensa/platforms/xt2000/include/platform/hardware.h @@ -17,17 +17,6 @@ #include <variant/core.h> -/* - * Memory configuration. - */ - -#define PLATFORM_DEFAULT_MEM_START 0x00000000 -#define PLATFORM_DEFAULT_MEM_SIZE 0x08000000 - -/* - * Number of platform IRQs - */ -#define PLATFORM_NR_IRQS 3 /* * On-board components. */ diff --git a/arch/xtensa/platforms/xtfpga/include/platform/hardware.h b/arch/xtensa/platforms/xtfpga/include/platform/hardware.h index 1fda7e20dfcb..30d9cb6cf168 100644 --- a/arch/xtensa/platforms/xtfpga/include/platform/hardware.h +++ b/arch/xtensa/platforms/xtfpga/include/platform/hardware.h @@ -17,15 +17,6 @@ #ifndef __XTENSA_XTAVNET_HARDWARE_H #define __XTENSA_XTAVNET_HARDWARE_H -/* Memory configuration. */ - -#define PLATFORM_DEFAULT_MEM_START __XTENSA_UL(CONFIG_DEFAULT_MEM_START) -#define PLATFORM_DEFAULT_MEM_SIZE __XTENSA_UL(CONFIG_DEFAULT_MEM_SIZE) - -/* Interrupt configuration. */ - -#define PLATFORM_NR_IRQS 0 - /* Default assignment of LX60 devices to external interrupts. */ #ifdef CONFIG_XTENSA_MX diff --git a/arch/xtensa/variants/test_kc705_be/include/variant/core.h b/arch/xtensa/variants/test_kc705_be/include/variant/core.h new file mode 100644 index 000000000000..a4ebdf7197d7 --- /dev/null +++ b/arch/xtensa/variants/test_kc705_be/include/variant/core.h @@ -0,0 +1,575 @@ +/* + * xtensa/config/core-isa.h -- HAL definitions that are dependent on Xtensa + * processor CORE configuration + * + * See <xtensa/config/core.h>, which includes this file, for more details. + */ + +/* Xtensa processor core configuration information. + + Copyright (c) 1999-2015 Tensilica Inc. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +#ifndef _XTENSA_CORE_CONFIGURATION_H +#define _XTENSA_CORE_CONFIGURATION_H + + +/**************************************************************************** + Parameters Useful for Any Code, USER or PRIVILEGED + ****************************************************************************/ + +/* + * Note: Macros of the form XCHAL_HAVE_*** have a value of 1 if the option is + * configured, and a value of 0 otherwise. These macros are always defined. + */ + + +/*---------------------------------------------------------------------- + ISA + ----------------------------------------------------------------------*/ + +#define XCHAL_HAVE_BE 1 /* big-endian byte ordering */ +#define XCHAL_HAVE_WINDOWED 1 /* windowed registers option */ +#define XCHAL_NUM_AREGS 32 /* num of physical addr regs */ +#define XCHAL_NUM_AREGS_LOG2 5 /* log2(XCHAL_NUM_AREGS) */ +#define XCHAL_MAX_INSTRUCTION_SIZE 8 /* max instr bytes (3..8) */ +#define XCHAL_HAVE_DEBUG 1 /* debug option */ +#define XCHAL_HAVE_DENSITY 1 /* 16-bit instructions */ +#define XCHAL_HAVE_LOOPS 1 /* zero-overhead loops */ +#define XCHAL_LOOP_BUFFER_SIZE 0 /* zero-ov. loop instr buffer size */ +#define XCHAL_HAVE_NSA 1 /* NSA/NSAU instructions */ +#define XCHAL_HAVE_MINMAX 1 /* MIN/MAX instructions */ +#define XCHAL_HAVE_SEXT 1 /* SEXT instruction */ +#define XCHAL_HAVE_DEPBITS 0 /* DEPBITS instruction */ +#define XCHAL_HAVE_CLAMPS 1 /* CLAMPS instruction */ +#define XCHAL_HAVE_MUL16 1 /* MUL16S/MUL16U instructions */ +#define XCHAL_HAVE_MUL32 1 /* MULL instruction */ +#define XCHAL_HAVE_MUL32_HIGH 1 /* MULUH/MULSH instructions */ +#define XCHAL_HAVE_DIV32 1 /* QUOS/QUOU/REMS/REMU instructions */ +#define XCHAL_HAVE_L32R 1 /* L32R instruction */ +#define XCHAL_HAVE_ABSOLUTE_LITERALS 0 /* non-PC-rel (extended) L32R */ +#define XCHAL_HAVE_CONST16 0 /* CONST16 instruction */ +#define XCHAL_HAVE_ADDX 1 /* ADDX#/SUBX# instructions */ +#define XCHAL_HAVE_WIDE_BRANCHES 0 /* B*.W18 or B*.W15 instr's */ +#define XCHAL_HAVE_PREDICTED_BRANCHES 0 /* B[EQ/EQZ/NE/NEZ]T instr's */ +#define XCHAL_HAVE_CALL4AND12 1 /* (obsolete option) */ +#define XCHAL_HAVE_ABS 1 /* ABS instruction */ +/*#define XCHAL_HAVE_POPC 0*/ /* POPC instruction */ +/*#define XCHAL_HAVE_CRC 0*/ /* CRC instruction */ +#define XCHAL_HAVE_RELEASE_SYNC 1 /* L32AI/S32RI instructions */ +#define XCHAL_HAVE_S32C1I 1 /* S32C1I instruction */ +#define XCHAL_HAVE_SPECULATION 0 /* speculation */ +#define XCHAL_HAVE_FULL_RESET 1 /* all regs/state reset */ +#define XCHAL_NUM_CONTEXTS 1 /* */ +#define XCHAL_NUM_MISC_REGS 2 /* num of scratch regs (0..4) */ +#define XCHAL_HAVE_TAP_MASTER 0 /* JTAG TAP control instr's */ +#define XCHAL_HAVE_PRID 1 /* processor ID register */ +#define XCHAL_HAVE_EXTERN_REGS 1 /* WER/RER instructions */ +#define XCHAL_HAVE_MX 0 /* MX core (Tensilica internal) */ +#define XCHAL_HAVE_MP_INTERRUPTS 0 /* interrupt distributor port */ +#define XCHAL_HAVE_MP_RUNSTALL 0 /* core RunStall control port */ +#define XCHAL_HAVE_PSO 0 /* Power Shut-Off */ +#define XCHAL_HAVE_PSO_CDM 0 /* core/debug/mem pwr domains */ +#define XCHAL_HAVE_PSO_FULL_RETENTION 0 /* all regs preserved on PSO */ +#define XCHAL_HAVE_THREADPTR 1 /* THREADPTR register */ +#define XCHAL_HAVE_BOOLEANS 1 /* boolean registers */ +#define XCHAL_HAVE_CP 1 /* CPENABLE reg (coprocessor) */ +#define XCHAL_CP_MAXCFG 8 /* max allowed cp id plus one */ +#define XCHAL_HAVE_MAC16 1 /* MAC16 package */ + +#define XCHAL_HAVE_FUSION 0 /* Fusion*/ +#define XCHAL_HAVE_FUSION_FP 0 /* Fusion FP option */ +#define XCHAL_HAVE_FUSION_LOW_POWER 0 /* Fusion Low Power option */ +#define XCHAL_HAVE_FUSION_AES 0 /* Fusion BLE/Wifi AES-128 CCM option */ +#define XCHAL_HAVE_FUSION_CONVENC 0 /* Fusion Conv Encode option */ +#define XCHAL_HAVE_FUSION_LFSR_CRC 0 /* Fusion LFSR-CRC option */ +#define XCHAL_HAVE_FUSION_BITOPS 0 /* Fusion Bit Operations Support option */ +#define XCHAL_HAVE_FUSION_AVS 0 /* Fusion AVS option */ +#define XCHAL_HAVE_FUSION_16BIT_BASEBAND 0 /* Fusion 16-bit Baseband option */ +#define XCHAL_HAVE_HIFIPRO 0 /* HiFiPro Audio Engine pkg */ +#define XCHAL_HAVE_HIFI4 0 /* HiFi4 Audio Engine pkg */ +#define XCHAL_HAVE_HIFI4_VFPU 0 /* HiFi4 Audio Engine VFPU option */ +#define XCHAL_HAVE_HIFI3 0 /* HiFi3 Audio Engine pkg */ +#define XCHAL_HAVE_HIFI3_VFPU 0 /* HiFi3 Audio Engine VFPU option */ +#define XCHAL_HAVE_HIFI2 1 /* HiFi2 Audio Engine pkg */ +#define XCHAL_HAVE_HIFI2_MUL32X24 1 /* HiFi2 and 32x24 MACs */ +#define XCHAL_HAVE_HIFI2EP 1 /* HiFi2EP */ +#define XCHAL_HAVE_HIFI_MINI 0 + + +#define XCHAL_HAVE_VECTORFPU2005 0 /* vector or user floating-point pkg */ +#define XCHAL_HAVE_USER_DPFPU 0 /* user DP floating-point pkg */ +#define XCHAL_HAVE_USER_SPFPU 0 /* user DP floating-point pkg */ +#define XCHAL_HAVE_FP 0 /* single prec floating point */ +#define XCHAL_HAVE_FP_DIV 0 /* FP with DIV instructions */ +#define XCHAL_HAVE_FP_RECIP 0 /* FP with RECIP instructions */ +#define XCHAL_HAVE_FP_SQRT 0 /* FP with SQRT instructions */ +#define XCHAL_HAVE_FP_RSQRT 0 /* FP with RSQRT instructions */ +#define XCHAL_HAVE_DFP 0 /* double precision FP pkg */ +#define XCHAL_HAVE_DFP_DIV 0 /* DFP with DIV instructions */ +#define XCHAL_HAVE_DFP_RECIP 0 /* DFP with RECIP instructions*/ +#define XCHAL_HAVE_DFP_SQRT 0 /* DFP with SQRT instructions */ +#define XCHAL_HAVE_DFP_RSQRT 0 /* DFP with RSQRT instructions*/ +#define XCHAL_HAVE_DFP_ACCEL 0 /* double precision FP acceleration pkg */ +#define XCHAL_HAVE_DFP_accel XCHAL_HAVE_DFP_ACCEL /* for backward compatibility */ + +#define XCHAL_HAVE_DFPU_SINGLE_ONLY 0 /* DFPU Coprocessor, single precision only */ +#define XCHAL_HAVE_DFPU_SINGLE_DOUBLE 0 /* DFPU Coprocessor, single and double precision */ +#define XCHAL_HAVE_VECTRA1 0 /* Vectra I pkg */ +#define XCHAL_HAVE_VECTRALX 0 /* Vectra LX pkg */ +#define XCHAL_HAVE_PDX4 0 /* PDX4 */ +#define XCHAL_HAVE_CONNXD2 0 /* ConnX D2 pkg */ +#define XCHAL_HAVE_CONNXD2_DUALLSFLIX 0 /* ConnX D2 & Dual LoadStore Flix */ +#define XCHAL_HAVE_BBE16 0 /* ConnX BBE16 pkg */ +#define XCHAL_HAVE_BBE16_RSQRT 0 /* BBE16 & vector recip sqrt */ +#define XCHAL_HAVE_BBE16_VECDIV 0 /* BBE16 & vector divide */ +#define XCHAL_HAVE_BBE16_DESPREAD 0 /* BBE16 & despread */ +#define XCHAL_HAVE_BBENEP 0 /* ConnX BBENEP pkgs */ +#define XCHAL_HAVE_BSP3 0 /* ConnX BSP3 pkg */ +#define XCHAL_HAVE_BSP3_TRANSPOSE 0 /* BSP3 & transpose32x32 */ +#define XCHAL_HAVE_SSP16 0 /* ConnX SSP16 pkg */ +#define XCHAL_HAVE_SSP16_VITERBI 0 /* SSP16 & viterbi */ +#define XCHAL_HAVE_TURBO16 0 /* ConnX Turbo16 pkg */ +#define XCHAL_HAVE_BBP16 0 /* ConnX BBP16 pkg */ +#define XCHAL_HAVE_FLIX3 0 /* basic 3-way FLIX option */ +#define XCHAL_HAVE_GRIVPEP 0 /* GRIVPEP is General Release of IVPEP */ +#define XCHAL_HAVE_GRIVPEP_HISTOGRAM 0 /* Histogram option on GRIVPEP */ + + +/*---------------------------------------------------------------------- + MISC + ----------------------------------------------------------------------*/ + +#define XCHAL_NUM_LOADSTORE_UNITS 1 /* load/store units */ +#define XCHAL_NUM_WRITEBUFFER_ENTRIES 8 /* size of write buffer */ +#define XCHAL_INST_FETCH_WIDTH 8 /* instr-fetch width in bytes */ +#define XCHAL_DATA_WIDTH 8 /* data width in bytes */ +#define XCHAL_DATA_PIPE_DELAY 1 /* d-side pipeline delay + (1 = 5-stage, 2 = 7-stage) */ +#define XCHAL_CLOCK_GATING_GLOBAL 0 /* global clock gating */ +#define XCHAL_CLOCK_GATING_FUNCUNIT 0 /* funct. unit clock gating */ +/* In T1050, applies to selected core load and store instructions (see ISA): */ +#define XCHAL_UNALIGNED_LOAD_EXCEPTION 1 /* unaligned loads cause exc. */ +#define XCHAL_UNALIGNED_STORE_EXCEPTION 1 /* unaligned stores cause exc.*/ +#define XCHAL_UNALIGNED_LOAD_HW 0 /* unaligned loads work in hw */ +#define XCHAL_UNALIGNED_STORE_HW 0 /* unaligned stores work in hw*/ + +#define XCHAL_SW_VERSION 1100002 /* sw version of this header */ + +#define XCHAL_CORE_ID "test_kc705_be" /* alphanum core name + (CoreID) set in the Xtensa + Processor Generator */ + +#define XCHAL_BUILD_UNIQUE_ID 0x00058D8C /* 22-bit sw build ID */ + +/* + * These definitions describe the hardware targeted by this software. + */ +#define XCHAL_HW_CONFIGID0 0xC1B3FFFF /* ConfigID hi 32 bits*/ +#define XCHAL_HW_CONFIGID1 0x1C858D8C /* ConfigID lo 32 bits*/ +#define XCHAL_HW_VERSION_NAME "LX6.0.2" /* full version name */ +#define XCHAL_HW_VERSION_MAJOR 2600 /* major ver# of targeted hw */ +#define XCHAL_HW_VERSION_MINOR 2 /* minor ver# of targeted hw */ +#define XCHAL_HW_VERSION 260002 /* major*100+minor */ +#define XCHAL_HW_REL_LX6 1 +#define XCHAL_HW_REL_LX6_0 1 +#define XCHAL_HW_REL_LX6_0_2 1 +#define XCHAL_HW_CONFIGID_RELIABLE 1 +/* If software targets a *range* of hardware versions, these are the bounds: */ +#define XCHAL_HW_MIN_VERSION_MAJOR 2600 /* major v of earliest tgt hw */ +#define XCHAL_HW_MIN_VERSION_MINOR 2 /* minor v of earliest tgt hw */ +#define XCHAL_HW_MIN_VERSION 260002 /* earliest targeted hw */ +#define XCHAL_HW_MAX_VERSION_MAJOR 2600 /* major v of latest tgt hw */ +#define XCHAL_HW_MAX_VERSION_MINOR 2 /* minor v of latest tgt hw */ +#define XCHAL_HW_MAX_VERSION 260002 /* latest targeted hw */ + + +/*---------------------------------------------------------------------- + CACHE + ----------------------------------------------------------------------*/ + +#define XCHAL_ICACHE_LINESIZE 32 /* I-cache line size in bytes */ +#define XCHAL_DCACHE_LINESIZE 32 /* D-cache line size in bytes */ +#define XCHAL_ICACHE_LINEWIDTH 5 /* log2(I line size in bytes) */ +#define XCHAL_DCACHE_LINEWIDTH 5 /* log2(D line size in bytes) */ + +#define XCHAL_ICACHE_SIZE 16384 /* I-cache size in bytes or 0 */ +#define XCHAL_DCACHE_SIZE 16384 /* D-cache size in bytes or 0 */ + +#define XCHAL_DCACHE_IS_WRITEBACK 1 /* writeback feature */ +#define XCHAL_DCACHE_IS_COHERENT 0 /* MP coherence feature */ + +#define XCHAL_HAVE_PREFETCH 1 /* PREFCTL register */ +#define XCHAL_HAVE_PREFETCH_L1 0 /* prefetch to L1 dcache */ +#define XCHAL_PREFETCH_CASTOUT_LINES 1 /* dcache pref. castout bufsz */ +#define XCHAL_PREFETCH_ENTRIES 8 /* cache prefetch entries */ +#define XCHAL_PREFETCH_BLOCK_ENTRIES 0 /* prefetch block streams */ +#define XCHAL_HAVE_CACHE_BLOCKOPS 0 /* block prefetch for caches */ +#define XCHAL_HAVE_ICACHE_TEST 1 /* Icache test instructions */ +#define XCHAL_HAVE_DCACHE_TEST 1 /* Dcache test instructions */ +#define XCHAL_HAVE_ICACHE_DYN_WAYS 0 /* Icache dynamic way support */ +#define XCHAL_HAVE_DCACHE_DYN_WAYS 0 /* Dcache dynamic way support */ + + + + +/**************************************************************************** + Parameters Useful for PRIVILEGED (Supervisory or Non-Virtualized) Code + ****************************************************************************/ + + +#ifndef XTENSA_HAL_NON_PRIVILEGED_ONLY + +/*---------------------------------------------------------------------- + CACHE + ----------------------------------------------------------------------*/ + +#define XCHAL_HAVE_PIF 1 /* any outbound PIF present */ + +/* If present, cache size in bytes == (ways * 2^(linewidth + setwidth)). */ + +/* Number of cache sets in log2(lines per way): */ +#define XCHAL_ICACHE_SETWIDTH 7 +#define XCHAL_DCACHE_SETWIDTH 7 + +/* Cache set associativity (number of ways): */ +#define XCHAL_ICACHE_WAYS 4 +#define XCHAL_DCACHE_WAYS 4 + +/* Cache features: */ +#define XCHAL_ICACHE_LINE_LOCKABLE 1 +#define XCHAL_DCACHE_LINE_LOCKABLE 1 +#define XCHAL_ICACHE_ECC_PARITY 0 +#define XCHAL_DCACHE_ECC_PARITY 0 + +/* Cache access size in bytes (affects operation of SICW instruction): */ +#define XCHAL_ICACHE_ACCESS_SIZE 8 +#define XCHAL_DCACHE_ACCESS_SIZE 8 + +#define XCHAL_DCACHE_BANKS 1 /* number of banks */ + +/* Number of encoded cache attr bits (see <xtensa/hal.h> for decoded bits): */ +#define XCHAL_CA_BITS 4 + +/* Whether MEMCTL register has anything useful */ +#define XCHAL_USE_MEMCTL (((XCHAL_LOOP_BUFFER_SIZE > 0) || \ + XCHAL_DCACHE_IS_COHERENT || \ + XCHAL_HAVE_ICACHE_DYN_WAYS || \ + XCHAL_HAVE_DCACHE_DYN_WAYS) && \ + (XCHAL_HW_MIN_VERSION >= XTENSA_HWVERSION_RE_2012_0)) + + +/*---------------------------------------------------------------------- + INTERNAL I/D RAM/ROMs and XLMI + ----------------------------------------------------------------------*/ + +#define XCHAL_NUM_INSTROM 0 /* number of core instr. ROMs */ +#define XCHAL_NUM_INSTRAM 0 /* number of core instr. RAMs */ +#define XCHAL_NUM_DATAROM 0 /* number of core data ROMs */ +#define XCHAL_NUM_DATARAM 0 /* number of core data RAMs */ +#define XCHAL_NUM_URAM 0 /* number of core unified RAMs*/ +#define XCHAL_NUM_XLMI 0 /* number of core XLMI ports */ + +#define XCHAL_HAVE_IMEM_LOADSTORE 1 /* can load/store to IROM/IRAM*/ + + +/*---------------------------------------------------------------------- + INTERRUPTS and TIMERS + ----------------------------------------------------------------------*/ + +#define XCHAL_HAVE_INTERRUPTS 1 /* interrupt option */ +#define XCHAL_HAVE_HIGHPRI_INTERRUPTS 1 /* med/high-pri. interrupts */ +#define XCHAL_HAVE_NMI 1 /* non-maskable interrupt */ +#define XCHAL_HAVE_CCOUNT 1 /* CCOUNT reg. (timer option) */ +#define XCHAL_NUM_TIMERS 3 /* number of CCOMPAREn regs */ +#define XCHAL_NUM_INTERRUPTS 22 /* number of interrupts */ +#define XCHAL_NUM_INTERRUPTS_LOG2 5 /* ceil(log2(NUM_INTERRUPTS)) */ +#define XCHAL_NUM_EXTINTERRUPTS 16 /* num of external interrupts */ +#define XCHAL_NUM_INTLEVELS 6 /* number of interrupt levels + (not including level zero) */ +#define XCHAL_EXCM_LEVEL 4 /* level masked by PS.EXCM */ + /* (always 1 in XEA1; levels 2 .. EXCM_LEVEL are "medium priority") */ + +/* Masks of interrupts at each interrupt level: */ +#define XCHAL_INTLEVEL1_MASK 0x001F00BF +#define XCHAL_INTLEVEL2_MASK 0x00000140 +#define XCHAL_INTLEVEL3_MASK 0x00200E00 +#define XCHAL_INTLEVEL4_MASK 0x00008000 +#define XCHAL_INTLEVEL5_MASK 0x00003000 +#define XCHAL_INTLEVEL6_MASK 0x00000000 +#define XCHAL_INTLEVEL7_MASK 0x00004000 + +/* Masks of interrupts at each range 1..n of interrupt levels: */ +#define XCHAL_INTLEVEL1_ANDBELOW_MASK 0x001F00BF +#define XCHAL_INTLEVEL2_ANDBELOW_MASK 0x001F01FF +#define XCHAL_INTLEVEL3_ANDBELOW_MASK 0x003F0FFF +#define XCHAL_INTLEVEL4_ANDBELOW_MASK 0x003F8FFF +#define XCHAL_INTLEVEL5_ANDBELOW_MASK 0x003FBFFF +#define XCHAL_INTLEVEL6_ANDBELOW_MASK 0x003FBFFF +#define XCHAL_INTLEVEL7_ANDBELOW_MASK 0x003FFFFF + +/* Level of each interrupt: */ +#define XCHAL_INT0_LEVEL 1 +#define XCHAL_INT1_LEVEL 1 +#define XCHAL_INT2_LEVEL 1 +#define XCHAL_INT3_LEVEL 1 +#define XCHAL_INT4_LEVEL 1 +#define XCHAL_INT5_LEVEL 1 +#define XCHAL_INT6_LEVEL 2 +#define XCHAL_INT7_LEVEL 1 +#define XCHAL_INT8_LEVEL 2 +#define XCHAL_INT9_LEVEL 3 +#define XCHAL_INT10_LEVEL 3 +#define XCHAL_INT11_LEVEL 3 +#define XCHAL_INT12_LEVEL 5 +#define XCHAL_INT13_LEVEL 5 +#define XCHAL_INT14_LEVEL 7 +#define XCHAL_INT15_LEVEL 4 +#define XCHAL_INT16_LEVEL 1 +#define XCHAL_INT17_LEVEL 1 +#define XCHAL_INT18_LEVEL 1 +#define XCHAL_INT19_LEVEL 1 +#define XCHAL_INT20_LEVEL 1 +#define XCHAL_INT21_LEVEL 3 +#define XCHAL_DEBUGLEVEL 6 /* debug interrupt level */ +#define XCHAL_HAVE_DEBUG_EXTERN_INT 1 /* OCD external db interrupt */ +#define XCHAL_NMILEVEL 7 /* NMI "level" (for use with + EXCSAVE/EPS/EPC_n, RFI n) */ + +/* Type of each interrupt: */ +#define XCHAL_INT0_TYPE XTHAL_INTTYPE_EXTERN_LEVEL +#define XCHAL_INT1_TYPE XTHAL_INTTYPE_EXTERN_LEVEL +#define XCHAL_INT2_TYPE XTHAL_INTTYPE_EXTERN_LEVEL +#define XCHAL_INT3_TYPE XTHAL_INTTYPE_EXTERN_LEVEL +#define XCHAL_INT4_TYPE XTHAL_INTTYPE_EXTERN_LEVEL +#define XCHAL_INT5_TYPE XTHAL_INTTYPE_EXTERN_LEVEL +#define XCHAL_INT6_TYPE XTHAL_INTTYPE_TIMER +#define XCHAL_INT7_TYPE XTHAL_INTTYPE_SOFTWARE +#define XCHAL_INT8_TYPE XTHAL_INTTYPE_EXTERN_LEVEL +#define XCHAL_INT9_TYPE XTHAL_INTTYPE_EXTERN_LEVEL +#define XCHAL_INT10_TYPE XTHAL_INTTYPE_TIMER +#define XCHAL_INT11_TYPE XTHAL_INTTYPE_SOFTWARE +#define XCHAL_INT12_TYPE XTHAL_INTTYPE_EXTERN_LEVEL +#define XCHAL_INT13_TYPE XTHAL_INTTYPE_TIMER +#define XCHAL_INT14_TYPE XTHAL_INTTYPE_NMI +#define XCHAL_INT15_TYPE XTHAL_INTTYPE_PROFILING +#define XCHAL_INT16_TYPE XTHAL_INTTYPE_EXTERN_EDGE +#define XCHAL_INT17_TYPE XTHAL_INTTYPE_EXTERN_EDGE +#define XCHAL_INT18_TYPE XTHAL_INTTYPE_EXTERN_EDGE +#define XCHAL_INT19_TYPE XTHAL_INTTYPE_EXTERN_EDGE +#define XCHAL_INT20_TYPE XTHAL_INTTYPE_EXTERN_EDGE +#define XCHAL_INT21_TYPE XTHAL_INTTYPE_EXTERN_EDGE + +/* Masks of interrupts for each type of interrupt: */ +#define XCHAL_INTTYPE_MASK_UNCONFIGURED 0xFFC00000 +#define XCHAL_INTTYPE_MASK_SOFTWARE 0x00000880 +#define XCHAL_INTTYPE_MASK_EXTERN_EDGE 0x003F0000 +#define XCHAL_INTTYPE_MASK_EXTERN_LEVEL 0x0000133F +#define XCHAL_INTTYPE_MASK_TIMER 0x00002440 +#define XCHAL_INTTYPE_MASK_NMI 0x00004000 +#define XCHAL_INTTYPE_MASK_WRITE_ERROR 0x00000000 +#define XCHAL_INTTYPE_MASK_PROFILING 0x00008000 + +/* Interrupt numbers assigned to specific interrupt sources: */ +#define XCHAL_TIMER0_INTERRUPT 6 /* CCOMPARE0 */ +#define XCHAL_TIMER1_INTERRUPT 10 /* CCOMPARE1 */ +#define XCHAL_TIMER2_INTERRUPT 13 /* CCOMPARE2 */ +#define XCHAL_TIMER3_INTERRUPT XTHAL_TIMER_UNCONFIGURED +#define XCHAL_NMI_INTERRUPT 14 /* non-maskable interrupt */ +#define XCHAL_PROFILING_INTERRUPT 15 /* profiling interrupt */ + +/* Interrupt numbers for levels at which only one interrupt is configured: */ +#define XCHAL_INTLEVEL4_NUM 15 +#define XCHAL_INTLEVEL7_NUM 14 +/* (There are many interrupts each at level(s) 1, 2, 3, 5.) */ + + +/* + * External interrupt mapping. + * These macros describe how Xtensa processor interrupt numbers + * (as numbered internally, eg. in INTERRUPT and INTENABLE registers) + * map to external BInterrupt<n> pins, for those interrupts + * configured as external (level-triggered, edge-triggered, or NMI). + * See the Xtensa processor databook for more details. + */ + +/* Core interrupt numbers mapped to each EXTERNAL BInterrupt pin number: */ +#define XCHAL_EXTINT0_NUM 0 /* (intlevel 1) */ +#define XCHAL_EXTINT1_NUM 1 /* (intlevel 1) */ +#define XCHAL_EXTINT2_NUM 2 /* (intlevel 1) */ +#define XCHAL_EXTINT3_NUM 3 /* (intlevel 1) */ +#define XCHAL_EXTINT4_NUM 4 /* (intlevel 1) */ +#define XCHAL_EXTINT5_NUM 5 /* (intlevel 1) */ +#define XCHAL_EXTINT6_NUM 8 /* (intlevel 2) */ +#define XCHAL_EXTINT7_NUM 9 /* (intlevel 3) */ +#define XCHAL_EXTINT8_NUM 12 /* (intlevel 5) */ +#define XCHAL_EXTINT9_NUM 14 /* (intlevel 7) */ +#define XCHAL_EXTINT10_NUM 16 /* (intlevel 1) */ +#define XCHAL_EXTINT11_NUM 17 /* (intlevel 1) */ +#define XCHAL_EXTINT12_NUM 18 /* (intlevel 1) */ +#define XCHAL_EXTINT13_NUM 19 /* (intlevel 1) */ +#define XCHAL_EXTINT14_NUM 20 /* (intlevel 1) */ +#define XCHAL_EXTINT15_NUM 21 /* (intlevel 3) */ +/* EXTERNAL BInterrupt pin numbers mapped to each core interrupt number: */ +#define XCHAL_INT0_EXTNUM 0 /* (intlevel 1) */ +#define XCHAL_INT1_EXTNUM 1 /* (intlevel 1) */ +#define XCHAL_INT2_EXTNUM 2 /* (intlevel 1) */ +#define XCHAL_INT3_EXTNUM 3 /* (intlevel 1) */ +#define XCHAL_INT4_EXTNUM 4 /* (intlevel 1) */ +#define XCHAL_INT5_EXTNUM 5 /* (intlevel 1) */ +#define XCHAL_INT8_EXTNUM 6 /* (intlevel 2) */ +#define XCHAL_INT9_EXTNUM 7 /* (intlevel 3) */ +#define XCHAL_INT12_EXTNUM 8 /* (intlevel 5) */ +#define XCHAL_INT14_EXTNUM 9 /* (intlevel 7) */ +#define XCHAL_INT16_EXTNUM 10 /* (intlevel 1) */ +#define XCHAL_INT17_EXTNUM 11 /* (intlevel 1) */ +#define XCHAL_INT18_EXTNUM 12 /* (intlevel 1) */ +#define XCHAL_INT19_EXTNUM 13 /* (intlevel 1) */ +#define XCHAL_INT20_EXTNUM 14 /* (intlevel 1) */ +#define XCHAL_INT21_EXTNUM 15 /* (intlevel 3) */ + + +/*---------------------------------------------------------------------- + EXCEPTIONS and VECTORS + ----------------------------------------------------------------------*/ + +#define XCHAL_XEA_VERSION 2 /* Xtensa Exception Architecture + number: 1 == XEA1 (old) + 2 == XEA2 (new) + 0 == XEAX (extern) or TX */ +#define XCHAL_HAVE_XEA1 0 /* Exception Architecture 1 */ +#define XCHAL_HAVE_XEA2 1 /* Exception Architecture 2 */ +#define XCHAL_HAVE_XEAX 0 /* External Exception Arch. */ +#define XCHAL_HAVE_EXCEPTIONS 1 /* exception option */ +#define XCHAL_HAVE_HALT 0 /* halt architecture option */ +#define XCHAL_HAVE_BOOTLOADER 0 /* boot loader (for TX) */ +#define XCHAL_HAVE_MEM_ECC_PARITY 0 /* local memory ECC/parity */ +#define XCHAL_HAVE_VECTOR_SELECT 1 /* relocatable vectors */ +#define XCHAL_HAVE_VECBASE 1 /* relocatable vectors */ +#define XCHAL_VECBASE_RESET_VADDR 0x00002000 /* VECBASE reset value */ +#define XCHAL_VECBASE_RESET_PADDR 0x00002000 +#define XCHAL_RESET_VECBASE_OVERLAP 0 + +#define XCHAL_RESET_VECTOR0_VADDR 0xFE000000 +#define XCHAL_RESET_VECTOR0_PADDR 0xFE000000 +#define XCHAL_RESET_VECTOR1_VADDR 0x00001000 +#define XCHAL_RESET_VECTOR1_PADDR 0x00001000 +#define XCHAL_RESET_VECTOR_VADDR 0xFE000000 +#define XCHAL_RESET_VECTOR_PADDR 0xFE000000 +#define XCHAL_USER_VECOFS 0x00000340 +#define XCHAL_USER_VECTOR_VADDR 0x00002340 +#define XCHAL_USER_VECTOR_PADDR 0x00002340 +#define XCHAL_KERNEL_VECOFS 0x00000300 +#define XCHAL_KERNEL_VECTOR_VADDR 0x00002300 +#define XCHAL_KERNEL_VECTOR_PADDR 0x00002300 +#define XCHAL_DOUBLEEXC_VECOFS 0x000003C0 +#define XCHAL_DOUBLEEXC_VECTOR_VADDR 0x000023C0 +#define XCHAL_DOUBLEEXC_VECTOR_PADDR 0x000023C0 +#define XCHAL_WINDOW_OF4_VECOFS 0x00000000 +#define XCHAL_WINDOW_UF4_VECOFS 0x00000040 +#define XCHAL_WINDOW_OF8_VECOFS 0x00000080 +#define XCHAL_WINDOW_UF8_VECOFS 0x000000C0 +#define XCHAL_WINDOW_OF12_VECOFS 0x00000100 +#define XCHAL_WINDOW_UF12_VECOFS 0x00000140 +#define XCHAL_WINDOW_VECTORS_VADDR 0x00002000 +#define XCHAL_WINDOW_VECTORS_PADDR 0x00002000 +#define XCHAL_INTLEVEL2_VECOFS 0x00000180 +#define XCHAL_INTLEVEL2_VECTOR_VADDR 0x00002180 +#define XCHAL_INTLEVEL2_VECTOR_PADDR 0x00002180 +#define XCHAL_INTLEVEL3_VECOFS 0x000001C0 +#define XCHAL_INTLEVEL3_VECTOR_VADDR 0x000021C0 +#define XCHAL_INTLEVEL3_VECTOR_PADDR 0x000021C0 +#define XCHAL_INTLEVEL4_VECOFS 0x00000200 +#define XCHAL_INTLEVEL4_VECTOR_VADDR 0x00002200 +#define XCHAL_INTLEVEL4_VECTOR_PADDR 0x00002200 +#define XCHAL_INTLEVEL5_VECOFS 0x00000240 +#define XCHAL_INTLEVEL5_VECTOR_VADDR 0x00002240 +#define XCHAL_INTLEVEL5_VECTOR_PADDR 0x00002240 +#define XCHAL_INTLEVEL6_VECOFS 0x00000280 +#define XCHAL_INTLEVEL6_VECTOR_VADDR 0x00002280 +#define XCHAL_INTLEVEL6_VECTOR_PADDR 0x00002280 +#define XCHAL_DEBUG_VECOFS XCHAL_INTLEVEL6_VECOFS +#define XCHAL_DEBUG_VECTOR_VADDR XCHAL_INTLEVEL6_VECTOR_VADDR +#define XCHAL_DEBUG_VECTOR_PADDR XCHAL_INTLEVEL6_VECTOR_PADDR +#define XCHAL_NMI_VECOFS 0x000002C0 +#define XCHAL_NMI_VECTOR_VADDR 0x000022C0 +#define XCHAL_NMI_VECTOR_PADDR 0x000022C0 +#define XCHAL_INTLEVEL7_VECOFS XCHAL_NMI_VECOFS +#define XCHAL_INTLEVEL7_VECTOR_VADDR XCHAL_NMI_VECTOR_VADDR +#define XCHAL_INTLEVEL7_VECTOR_PADDR XCHAL_NMI_VECTOR_PADDR + + +/*---------------------------------------------------------------------- + DEBUG MODULE + ----------------------------------------------------------------------*/ + +/* Misc */ +#define XCHAL_HAVE_DEBUG_ERI 1 /* ERI to debug module */ +#define XCHAL_HAVE_DEBUG_APB 0 /* APB to debug module */ +#define XCHAL_HAVE_DEBUG_JTAG 1 /* JTAG to debug module */ + +/* On-Chip Debug (OCD) */ +#define XCHAL_HAVE_OCD 1 /* OnChipDebug option */ +#define XCHAL_NUM_IBREAK 2 /* number of IBREAKn regs */ +#define XCHAL_NUM_DBREAK 2 /* number of DBREAKn regs */ +#define XCHAL_HAVE_OCD_DIR_ARRAY 0 /* faster OCD option (to LX4) */ +#define XCHAL_HAVE_OCD_LS32DDR 1 /* L32DDR/S32DDR (faster OCD) */ + +/* TRAX (in core) */ +#define XCHAL_HAVE_TRAX 1 /* TRAX in debug module */ +#define XCHAL_TRAX_MEM_SIZE 262144 /* TRAX memory size in bytes */ +#define XCHAL_TRAX_MEM_SHAREABLE 1 /* start/end regs; ready sig. */ +#define XCHAL_TRAX_ATB_WIDTH 0 /* ATB width (bits), 0=no ATB */ +#define XCHAL_TRAX_TIME_WIDTH 0 /* timestamp bitwidth, 0=none */ + +/* Perf counters */ +#define XCHAL_NUM_PERF_COUNTERS 8 /* performance counters */ + + +/*---------------------------------------------------------------------- + MMU + ----------------------------------------------------------------------*/ + +/* See core-matmap.h header file for more details. */ + +#define XCHAL_HAVE_TLBS 1 /* inverse of HAVE_CACHEATTR */ +#define XCHAL_HAVE_SPANNING_WAY 1 /* one way maps I+D 4GB vaddr */ +#define XCHAL_SPANNING_WAY 6 /* TLB spanning way number */ +#define XCHAL_HAVE_IDENTITY_MAP 0 /* vaddr == paddr always */ +#define XCHAL_HAVE_CACHEATTR 0 /* CACHEATTR register present */ +#define XCHAL_HAVE_MIMIC_CACHEATTR 0 /* region protection */ +#define XCHAL_HAVE_XLT_CACHEATTR 0 /* region prot. w/translation */ +#define XCHAL_HAVE_PTP_MMU 1 /* full MMU (with page table + [autorefill] and protection) + usable for an MMU-based OS */ +/* If none of the above last 4 are set, it's a custom TLB configuration. */ +#define XCHAL_ITLB_ARF_ENTRIES_LOG2 2 /* log2(autorefill way size) */ +#define XCHAL_DTLB_ARF_ENTRIES_LOG2 2 /* log2(autorefill way size) */ + +#define XCHAL_MMU_ASID_BITS 8 /* number of bits in ASIDs */ +#define XCHAL_MMU_RINGS 4 /* number of rings (1..4) */ +#define XCHAL_MMU_RING_BITS 2 /* num of bits in RING field */ + +#endif /* !XTENSA_HAL_NON_PRIVILEGED_ONLY */ + + +#endif /* _XTENSA_CORE_CONFIGURATION_H */ + diff --git a/arch/xtensa/variants/test_kc705_be/include/variant/tie-asm.h b/arch/xtensa/variants/test_kc705_be/include/variant/tie-asm.h new file mode 100644 index 000000000000..b87fe1a5177b --- /dev/null +++ b/arch/xtensa/variants/test_kc705_be/include/variant/tie-asm.h @@ -0,0 +1,308 @@ +/* + * tie-asm.h -- compile-time HAL assembler definitions dependent on CORE & TIE + * + * NOTE: This header file is not meant to be included directly. + */ + +/* This header file contains assembly-language definitions (assembly + macros, etc.) for this specific Xtensa processor's TIE extensions + and options. It is customized to this Xtensa processor configuration. + + Copyright (c) 1999-2015 Cadence Design Systems Inc. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +#ifndef _XTENSA_CORE_TIE_ASM_H +#define _XTENSA_CORE_TIE_ASM_H + +/* Selection parameter values for save-area save/restore macros: */ +/* Option vs. TIE: */ +#define XTHAL_SAS_TIE 0x0001 /* custom extension or coprocessor */ +#define XTHAL_SAS_OPT 0x0002 /* optional (and not a coprocessor) */ +#define XTHAL_SAS_ANYOT 0x0003 /* both of the above */ +/* Whether used automatically by compiler: */ +#define XTHAL_SAS_NOCC 0x0004 /* not used by compiler w/o special opts/code */ +#define XTHAL_SAS_CC 0x0008 /* used by compiler without special opts/code */ +#define XTHAL_SAS_ANYCC 0x000C /* both of the above */ +/* ABI handling across function calls: */ +#define XTHAL_SAS_CALR 0x0010 /* caller-saved */ +#define XTHAL_SAS_CALE 0x0020 /* callee-saved */ +#define XTHAL_SAS_GLOB 0x0040 /* global across function calls (in thread) */ +#define XTHAL_SAS_ANYABI 0x0070 /* all of the above three */ +/* Misc */ +#define XTHAL_SAS_ALL 0xFFFF /* include all default NCP contents */ +#define XTHAL_SAS3(optie,ccuse,abi) ( ((optie) & XTHAL_SAS_ANYOT) \ + | ((ccuse) & XTHAL_SAS_ANYCC) \ + | ((abi) & XTHAL_SAS_ANYABI) ) + + + /* + * Macro to store all non-coprocessor (extra) custom TIE and optional state + * (not including zero-overhead loop registers). + * Required parameters: + * ptr Save area pointer address register (clobbered) + * (register must contain a 4 byte aligned address). + * at1..at4 Four temporary address registers (first XCHAL_NCP_NUM_ATMPS + * registers are clobbered, the remaining are unused). + * Optional parameters: + * continue If macro invoked as part of a larger store sequence, set to 1 + * if this is not the first in the sequence. Defaults to 0. + * ofs Offset from start of larger sequence (from value of first ptr + * in sequence) at which to store. Defaults to next available space + * (or 0 if <continue> is 0). + * select Select what category(ies) of registers to store, as a bitmask + * (see XTHAL_SAS_xxx constants). Defaults to all registers. + * alloc Select what category(ies) of registers to allocate; if any + * category is selected here that is not in <select>, space for + * the corresponding registers is skipped without doing any store. + */ + .macro xchal_ncp_store ptr at1 at2 at3 at4 continue=0 ofs=-1 select=XTHAL_SAS_ALL alloc=0 + xchal_sa_start \continue, \ofs + // Optional global registers used by default by the compiler: + .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_GLOB) & ~(\select) + xchal_sa_align \ptr, 0, 1020, 4, 4 + rur.THREADPTR \at1 // threadptr option + s32i \at1, \ptr, .Lxchal_ofs_+0 + .set .Lxchal_ofs_, .Lxchal_ofs_ + 4 + .elseif ((XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_GLOB) & ~(\alloc)) == 0 + xchal_sa_align \ptr, 0, 1020, 4, 4 + .set .Lxchal_ofs_, .Lxchal_ofs_ + 4 + .endif + // Optional caller-saved registers used by default by the compiler: + .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_CALR) & ~(\select) + xchal_sa_align \ptr, 0, 1016, 4, 4 + rsr.ACCLO \at1 // MAC16 option + s32i \at1, \ptr, .Lxchal_ofs_+0 + rsr.ACCHI \at1 // MAC16 option + s32i \at1, \ptr, .Lxchal_ofs_+4 + .set .Lxchal_ofs_, .Lxchal_ofs_ + 8 + .elseif ((XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_CALR) & ~(\alloc)) == 0 + xchal_sa_align \ptr, 0, 1016, 4, 4 + .set .Lxchal_ofs_, .Lxchal_ofs_ + 8 + .endif + // Optional caller-saved registers not used by default by the compiler: + .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~(\select) + xchal_sa_align \ptr, 0, 1000, 4, 4 + rsr.BR \at1 // boolean option + s32i \at1, \ptr, .Lxchal_ofs_+0 + rsr.SCOMPARE1 \at1 // conditional store option + s32i \at1, \ptr, .Lxchal_ofs_+4 + rsr.M0 \at1 // MAC16 option + s32i \at1, \ptr, .Lxchal_ofs_+8 + rsr.M1 \at1 // MAC16 option + s32i \at1, \ptr, .Lxchal_ofs_+12 + rsr.M2 \at1 // MAC16 option + s32i \at1, \ptr, .Lxchal_ofs_+16 + rsr.M3 \at1 // MAC16 option + s32i \at1, \ptr, .Lxchal_ofs_+20 + .set .Lxchal_ofs_, .Lxchal_ofs_ + 24 + .elseif ((XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~(\alloc)) == 0 + xchal_sa_align \ptr, 0, 1000, 4, 4 + .set .Lxchal_ofs_, .Lxchal_ofs_ + 24 + .endif + .endm // xchal_ncp_store + + /* + * Macro to load all non-coprocessor (extra) custom TIE and optional state + * (not including zero-overhead loop registers). + * Required parameters: + * ptr Save area pointer address register (clobbered) + * (register must contain a 4 byte aligned address). + * at1..at4 Four temporary address registers (first XCHAL_NCP_NUM_ATMPS + * registers are clobbered, the remaining are unused). + * Optional parameters: + * continue If macro invoked as part of a larger load sequence, set to 1 + * if this is not the first in the sequence. Defaults to 0. + * ofs Offset from start of larger sequence (from value of first ptr + * in sequence) at which to load. Defaults to next available space + * (or 0 if <continue> is 0). + * select Select what category(ies) of registers to load, as a bitmask + * (see XTHAL_SAS_xxx constants). Defaults to all registers. + * alloc Select what category(ies) of registers to allocate; if any + * category is selected here that is not in <select>, space for + * the corresponding registers is skipped without doing any load. + */ + .macro xchal_ncp_load ptr at1 at2 at3 at4 continue=0 ofs=-1 select=XTHAL_SAS_ALL alloc=0 + xchal_sa_start \continue, \ofs + // Optional global registers used by default by the compiler: + .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_GLOB) & ~(\select) + xchal_sa_align \ptr, 0, 1020, 4, 4 + l32i \at1, \ptr, .Lxchal_ofs_+0 + wur.THREADPTR \at1 // threadptr option + .set .Lxchal_ofs_, .Lxchal_ofs_ + 4 + .elseif ((XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_GLOB) & ~(\alloc)) == 0 + xchal_sa_align \ptr, 0, 1020, 4, 4 + .set .Lxchal_ofs_, .Lxchal_ofs_ + 4 + .endif + // Optional caller-saved registers used by default by the compiler: + .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_CALR) & ~(\select) + xchal_sa_align \ptr, 0, 1016, 4, 4 + l32i \at1, \ptr, .Lxchal_ofs_+0 + wsr.ACCLO \at1 // MAC16 option + l32i \at1, \ptr, .Lxchal_ofs_+4 + wsr.ACCHI \at1 // MAC16 option + .set .Lxchal_ofs_, .Lxchal_ofs_ + 8 + .elseif ((XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_CALR) & ~(\alloc)) == 0 + xchal_sa_align \ptr, 0, 1016, 4, 4 + .set .Lxchal_ofs_, .Lxchal_ofs_ + 8 + .endif + // Optional caller-saved registers not used by default by the compiler: + .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~(\select) + xchal_sa_align \ptr, 0, 1000, 4, 4 + l32i \at1, \ptr, .Lxchal_ofs_+0 + wsr.BR \at1 // boolean option + l32i \at1, \ptr, .Lxchal_ofs_+4 + wsr.SCOMPARE1 \at1 // conditional store option + l32i \at1, \ptr, .Lxchal_ofs_+8 + wsr.M0 \at1 // MAC16 option + l32i \at1, \ptr, .Lxchal_ofs_+12 + wsr.M1 \at1 // MAC16 option + l32i \at1, \ptr, .Lxchal_ofs_+16 + wsr.M2 \at1 // MAC16 option + l32i \at1, \ptr, .Lxchal_ofs_+20 + wsr.M3 \at1 // MAC16 option + .set .Lxchal_ofs_, .Lxchal_ofs_ + 24 + .elseif ((XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~(\alloc)) == 0 + xchal_sa_align \ptr, 0, 1000, 4, 4 + .set .Lxchal_ofs_, .Lxchal_ofs_ + 24 + .endif + .endm // xchal_ncp_load + + +#define XCHAL_NCP_NUM_ATMPS 1 + + /* + * Macro to store the state of TIE coprocessor AudioEngineLX. + * Required parameters: + * ptr Save area pointer address register (clobbered) + * (register must contain a 8 byte aligned address). + * at1..at4 Four temporary address registers (first XCHAL_CP1_NUM_ATMPS + * registers are clobbered, the remaining are unused). + * Optional parameters are the same as for xchal_ncp_store. + */ +#define xchal_cp_AudioEngineLX_store xchal_cp1_store + .macro xchal_cp1_store ptr at1 at2 at3 at4 continue=0 ofs=-1 select=XTHAL_SAS_ALL alloc=0 + xchal_sa_start \continue, \ofs + // Custom caller-saved registers not used by default by the compiler: + .ifeq (XTHAL_SAS_TIE | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~(\select) + xchal_sa_align \ptr, 0, 0, 8, 8 + rur.AE_OVF_SAR \at1 // ureg 240 + s32i \at1, \ptr, .Lxchal_ofs_+0 + rur.AE_BITHEAD \at1 // ureg 241 + s32i \at1, \ptr, .Lxchal_ofs_+4 + rur.AE_TS_FTS_BU_BP \at1 // ureg 242 + s32i \at1, \ptr, .Lxchal_ofs_+8 + rur.AE_SD_NO \at1 // ureg 243 + s32i \at1, \ptr, .Lxchal_ofs_+12 + rur.AE_CBEGIN0 \at1 // ureg 246 + s32i \at1, \ptr, .Lxchal_ofs_+16 + rur.AE_CEND0 \at1 // ureg 247 + s32i \at1, \ptr, .Lxchal_ofs_+20 + ae_sp24x2s.i aep0, \ptr, .Lxchal_ofs_+24 + ae_sp24x2s.i aep1, \ptr, .Lxchal_ofs_+32 + ae_sp24x2s.i aep2, \ptr, .Lxchal_ofs_+40 + ae_sp24x2s.i aep3, \ptr, .Lxchal_ofs_+48 + ae_sp24x2s.i aep4, \ptr, .Lxchal_ofs_+56 + addi \ptr, \ptr, 64 + ae_sp24x2s.i aep5, \ptr, .Lxchal_ofs_+0 + ae_sp24x2s.i aep6, \ptr, .Lxchal_ofs_+8 + ae_sp24x2s.i aep7, \ptr, .Lxchal_ofs_+16 + ae_sq56s.i aeq0, \ptr, .Lxchal_ofs_+24 + ae_sq56s.i aeq1, \ptr, .Lxchal_ofs_+32 + ae_sq56s.i aeq2, \ptr, .Lxchal_ofs_+40 + ae_sq56s.i aeq3, \ptr, .Lxchal_ofs_+48 + .set .Lxchal_pofs_, .Lxchal_pofs_ + 64 + .set .Lxchal_ofs_, .Lxchal_ofs_ + 56 + .elseif ((XTHAL_SAS_TIE | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~(\alloc)) == 0 + xchal_sa_align \ptr, 0, 0, 8, 8 + .set .Lxchal_ofs_, .Lxchal_ofs_ + 120 + .endif + .endm // xchal_cp1_store + + /* + * Macro to load the state of TIE coprocessor AudioEngineLX. + * Required parameters: + * ptr Save area pointer address register (clobbered) + * (register must contain a 8 byte aligned address). + * at1..at4 Four temporary address registers (first XCHAL_CP1_NUM_ATMPS + * registers are clobbered, the remaining are unused). + * Optional parameters are the same as for xchal_ncp_load. + */ +#define xchal_cp_AudioEngineLX_load xchal_cp1_load + .macro xchal_cp1_load ptr at1 at2 at3 at4 continue=0 ofs=-1 select=XTHAL_SAS_ALL alloc=0 + xchal_sa_start \continue, \ofs + // Custom caller-saved registers not used by default by the compiler: + .ifeq (XTHAL_SAS_TIE | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~(\select) + xchal_sa_align \ptr, 0, 0, 8, 8 + l32i \at1, \ptr, .Lxchal_ofs_+0 + wur.AE_OVF_SAR \at1 // ureg 240 + l32i \at1, \ptr, .Lxchal_ofs_+4 + wur.AE_BITHEAD \at1 // ureg 241 + l32i \at1, \ptr, .Lxchal_ofs_+8 + wur.AE_TS_FTS_BU_BP \at1 // ureg 242 + l32i \at1, \ptr, .Lxchal_ofs_+12 + wur.AE_SD_NO \at1 // ureg 243 + l32i \at1, \ptr, .Lxchal_ofs_+16 + wur.AE_CBEGIN0 \at1 // ureg 246 + l32i \at1, \ptr, .Lxchal_ofs_+20 + wur.AE_CEND0 \at1 // ureg 247 + ae_lp24x2.i aep0, \ptr, .Lxchal_ofs_+24 + ae_lp24x2.i aep1, \ptr, .Lxchal_ofs_+32 + ae_lp24x2.i aep2, \ptr, .Lxchal_ofs_+40 + ae_lp24x2.i aep3, \ptr, .Lxchal_ofs_+48 + ae_lp24x2.i aep4, \ptr, .Lxchal_ofs_+56 + addi \ptr, \ptr, 64 + ae_lp24x2.i aep5, \ptr, .Lxchal_ofs_+0 + ae_lp24x2.i aep6, \ptr, .Lxchal_ofs_+8 + ae_lp24x2.i aep7, \ptr, .Lxchal_ofs_+16 + addi \ptr, \ptr, 24 + ae_lq56.i aeq0, \ptr, .Lxchal_ofs_+0 + ae_lq56.i aeq1, \ptr, .Lxchal_ofs_+8 + ae_lq56.i aeq2, \ptr, .Lxchal_ofs_+16 + ae_lq56.i aeq3, \ptr, .Lxchal_ofs_+24 + .set .Lxchal_pofs_, .Lxchal_pofs_ + 88 + .set .Lxchal_ofs_, .Lxchal_ofs_ + 32 + .elseif ((XTHAL_SAS_TIE | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~(\alloc)) == 0 + xchal_sa_align \ptr, 0, 0, 8, 8 + .set .Lxchal_ofs_, .Lxchal_ofs_ + 120 + .endif + .endm // xchal_cp1_load + +#define XCHAL_CP1_NUM_ATMPS 1 +#define XCHAL_SA_NUM_ATMPS 1 + + /* Empty macros for unconfigured coprocessors: */ + .macro xchal_cp0_store p a b c d continue=0 ofs=-1 select=-1 ; .endm + .macro xchal_cp0_load p a b c d continue=0 ofs=-1 select=-1 ; .endm + .macro xchal_cp2_store p a b c d continue=0 ofs=-1 select=-1 ; .endm + .macro xchal_cp2_load p a b c d continue=0 ofs=-1 select=-1 ; .endm + .macro xchal_cp3_store p a b c d continue=0 ofs=-1 select=-1 ; .endm + .macro xchal_cp3_load p a b c d continue=0 ofs=-1 select=-1 ; .endm + .macro xchal_cp4_store p a b c d continue=0 ofs=-1 select=-1 ; .endm + .macro xchal_cp4_load p a b c d continue=0 ofs=-1 select=-1 ; .endm + .macro xchal_cp5_store p a b c d continue=0 ofs=-1 select=-1 ; .endm + .macro xchal_cp5_load p a b c d continue=0 ofs=-1 select=-1 ; .endm + .macro xchal_cp6_store p a b c d continue=0 ofs=-1 select=-1 ; .endm + .macro xchal_cp6_load p a b c d continue=0 ofs=-1 select=-1 ; .endm + .macro xchal_cp7_store p a b c d continue=0 ofs=-1 select=-1 ; .endm + .macro xchal_cp7_load p a b c d continue=0 ofs=-1 select=-1 ; .endm + +#endif /*_XTENSA_CORE_TIE_ASM_H*/ + diff --git a/arch/xtensa/variants/test_kc705_be/include/variant/tie.h b/arch/xtensa/variants/test_kc705_be/include/variant/tie.h new file mode 100644 index 000000000000..4e1b4baac8e2 --- /dev/null +++ b/arch/xtensa/variants/test_kc705_be/include/variant/tie.h @@ -0,0 +1,182 @@ +/* + * tie.h -- compile-time HAL definitions dependent on CORE & TIE configuration + * + * NOTE: This header file is not meant to be included directly. + */ + +/* This header file describes this specific Xtensa processor's TIE extensions + that extend basic Xtensa core functionality. It is customized to this + Xtensa processor configuration. + + Copyright (c) 1999-2015 Cadence Design Systems Inc. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +#ifndef _XTENSA_CORE_TIE_H +#define _XTENSA_CORE_TIE_H + +#define XCHAL_CP_NUM 2 /* number of coprocessors */ +#define XCHAL_CP_MAX 8 /* max CP ID + 1 (0 if none) */ +#define XCHAL_CP_MASK 0x82 /* bitmask of all CPs by ID */ +#define XCHAL_CP_PORT_MASK 0x80 /* bitmask of only port CPs */ + +/* Basic parameters of each coprocessor: */ +#define XCHAL_CP1_NAME "AudioEngineLX" +#define XCHAL_CP1_IDENT AudioEngineLX +#define XCHAL_CP1_SA_SIZE 120 /* size of state save area */ +#define XCHAL_CP1_SA_ALIGN 8 /* min alignment of save area */ +#define XCHAL_CP_ID_AUDIOENGINELX 1 /* coprocessor ID (0..7) */ +#define XCHAL_CP7_NAME "XTIOP" +#define XCHAL_CP7_IDENT XTIOP +#define XCHAL_CP7_SA_SIZE 0 /* size of state save area */ +#define XCHAL_CP7_SA_ALIGN 1 /* min alignment of save area */ +#define XCHAL_CP_ID_XTIOP 7 /* coprocessor ID (0..7) */ + +/* Filler info for unassigned coprocessors, to simplify arrays etc: */ +#define XCHAL_CP0_SA_SIZE 0 +#define XCHAL_CP0_SA_ALIGN 1 +#define XCHAL_CP2_SA_SIZE 0 +#define XCHAL_CP2_SA_ALIGN 1 +#define XCHAL_CP3_SA_SIZE 0 +#define XCHAL_CP3_SA_ALIGN 1 +#define XCHAL_CP4_SA_SIZE 0 +#define XCHAL_CP4_SA_ALIGN 1 +#define XCHAL_CP5_SA_SIZE 0 +#define XCHAL_CP5_SA_ALIGN 1 +#define XCHAL_CP6_SA_SIZE 0 +#define XCHAL_CP6_SA_ALIGN 1 + +/* Save area for non-coprocessor optional and custom (TIE) state: */ +#define XCHAL_NCP_SA_SIZE 36 +#define XCHAL_NCP_SA_ALIGN 4 + +/* Total save area for optional and custom state (NCP + CPn): */ +#define XCHAL_TOTAL_SA_SIZE 160 /* with 16-byte align padding */ +#define XCHAL_TOTAL_SA_ALIGN 8 /* actual minimum alignment */ + +/* + * Detailed contents of save areas. + * NOTE: caller must define the XCHAL_SA_REG macro (not defined here) + * before expanding the XCHAL_xxx_SA_LIST() macros. + * + * XCHAL_SA_REG(s,ccused,abikind,kind,opt,name,galign,align,asize, + * dbnum,base,regnum,bitsz,gapsz,reset,x...) + * + * s = passed from XCHAL_*_LIST(s), eg. to select how to expand + * ccused = set if used by compiler without special options or code + * abikind = 0 (caller-saved), 1 (callee-saved), or 2 (thread-global) + * kind = 0 (special reg), 1 (TIE user reg), or 2 (TIE regfile reg) + * opt = 0 (custom TIE extension or coprocessor), or 1 (optional reg) + * name = lowercase reg name (no quotes) + * galign = group byte alignment (power of 2) (galign >= align) + * align = register byte alignment (power of 2) + * asize = allocated size in bytes (asize*8 == bitsz + gapsz + padsz) + * (not including any pad bytes required to galign this or next reg) + * dbnum = unique target number f/debug (see <xtensa-libdb-macros.h>) + * base = reg shortname w/o index (or sr=special, ur=TIE user reg) + * regnum = reg index in regfile, or special/TIE-user reg number + * bitsz = number of significant bits (regfile width, or ur/sr mask bits) + * gapsz = intervening bits, if bitsz bits not stored contiguously + * (padsz = pad bits at end [TIE regfile] or at msbits [ur,sr] of asize) + * reset = register reset value (or 0 if undefined at reset) + * x = reserved for future use (0 until then) + * + * To filter out certain registers, e.g. to expand only the non-global + * registers used by the compiler, you can do something like this: + * + * #define XCHAL_SA_REG(s,ccused,p...) SELCC##ccused(p) + * #define SELCC0(p...) + * #define SELCC1(abikind,p...) SELAK##abikind(p) + * #define SELAK0(p...) REG(p) + * #define SELAK1(p...) REG(p) + * #define SELAK2(p...) + * #define REG(kind,tie,name,galn,aln,asz,csz,dbnum,base,rnum,bsz,rst,x...) \ + * ...what you want to expand... + */ + +#define XCHAL_NCP_SA_NUM 9 +#define XCHAL_NCP_SA_LIST(s) \ + XCHAL_SA_REG(s,1,2,1,1, threadptr, 4, 4, 4,0x03E7, ur,231, 32,0,0,0) \ + XCHAL_SA_REG(s,1,0,0,1, acclo, 4, 4, 4,0x0210, sr,16 , 32,0,0,0) \ + XCHAL_SA_REG(s,1,0,0,1, acchi, 4, 4, 4,0x0211, sr,17 , 8,0,0,0) \ + XCHAL_SA_REG(s,0,0,0,1, br, 4, 4, 4,0x0204, sr,4 , 16,0,0,0) \ + XCHAL_SA_REG(s,0,0,0,1, scompare1, 4, 4, 4,0x020C, sr,12 , 32,0,0,0) \ + XCHAL_SA_REG(s,0,0,0,1, m0, 4, 4, 4,0x0220, sr,32 , 32,0,0,0) \ + XCHAL_SA_REG(s,0,0,0,1, m1, 4, 4, 4,0x0221, sr,33 , 32,0,0,0) \ + XCHAL_SA_REG(s,0,0,0,1, m2, 4, 4, 4,0x0222, sr,34 , 32,0,0,0) \ + XCHAL_SA_REG(s,0,0,0,1, m3, 4, 4, 4,0x0223, sr,35 , 32,0,0,0) + +#define XCHAL_CP0_SA_NUM 0 +#define XCHAL_CP0_SA_LIST(s) /* empty */ + +#define XCHAL_CP1_SA_NUM 18 +#define XCHAL_CP1_SA_LIST(s) \ + XCHAL_SA_REG(s,0,0,1,0, ae_ovf_sar, 8, 4, 4,0x03F0, ur,240, 7,0,0,0) \ + XCHAL_SA_REG(s,0,0,1,0, ae_bithead, 4, 4, 4,0x03F1, ur,241, 32,0,0,0) \ + XCHAL_SA_REG(s,0,0,1,0,ae_ts_fts_bu_bp, 4, 4, 4,0x03F2, ur,242, 16,0,0,0) \ + XCHAL_SA_REG(s,0,0,1,0, ae_sd_no, 4, 4, 4,0x03F3, ur,243, 28,0,0,0) \ + XCHAL_SA_REG(s,0,0,1,0, ae_cbegin0, 4, 4, 4,0x03F6, ur,246, 32,0,0,0) \ + XCHAL_SA_REG(s,0,0,1,0, ae_cend0, 4, 4, 4,0x03F7, ur,247, 32,0,0,0) \ + XCHAL_SA_REG(s,0,0,2,0, aep0, 8, 8, 8,0x0060, aep,0 , 48,0,0,0) \ + XCHAL_SA_REG(s,0,0,2,0, aep1, 8, 8, 8,0x0061, aep,1 , 48,0,0,0) \ + XCHAL_SA_REG(s,0,0,2,0, aep2, 8, 8, 8,0x0062, aep,2 , 48,0,0,0) \ + XCHAL_SA_REG(s,0,0,2,0, aep3, 8, 8, 8,0x0063, aep,3 , 48,0,0,0) \ + XCHAL_SA_REG(s,0,0,2,0, aep4, 8, 8, 8,0x0064, aep,4 , 48,0,0,0) \ + XCHAL_SA_REG(s,0,0,2,0, aep5, 8, 8, 8,0x0065, aep,5 , 48,0,0,0) \ + XCHAL_SA_REG(s,0,0,2,0, aep6, 8, 8, 8,0x0066, aep,6 , 48,0,0,0) \ + XCHAL_SA_REG(s,0,0,2,0, aep7, 8, 8, 8,0x0067, aep,7 , 48,0,0,0) \ + XCHAL_SA_REG(s,0,0,2,0, aeq0, 8, 8, 8,0x0068, aeq,0 , 56,0,0,0) \ + XCHAL_SA_REG(s,0,0,2,0, aeq1, 8, 8, 8,0x0069, aeq,1 , 56,0,0,0) \ + XCHAL_SA_REG(s,0,0,2,0, aeq2, 8, 8, 8,0x006A, aeq,2 , 56,0,0,0) \ + XCHAL_SA_REG(s,0,0,2,0, aeq3, 8, 8, 8,0x006B, aeq,3 , 56,0,0,0) + +#define XCHAL_CP2_SA_NUM 0 +#define XCHAL_CP2_SA_LIST(s) /* empty */ + +#define XCHAL_CP3_SA_NUM 0 +#define XCHAL_CP3_SA_LIST(s) /* empty */ + +#define XCHAL_CP4_SA_NUM 0 +#define XCHAL_CP4_SA_LIST(s) /* empty */ + +#define XCHAL_CP5_SA_NUM 0 +#define XCHAL_CP5_SA_LIST(s) /* empty */ + +#define XCHAL_CP6_SA_NUM 0 +#define XCHAL_CP6_SA_LIST(s) /* empty */ + +#define XCHAL_CP7_SA_NUM 0 +#define XCHAL_CP7_SA_LIST(s) /* empty */ + +/* Byte length of instruction from its first nibble (op0 field), per FLIX. */ +#define XCHAL_OP0_FORMAT_LENGTHS 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,8 +/* Byte length of instruction from its first byte, per FLIX. */ +#define XCHAL_BYTE0_FORMAT_LENGTHS \ + 3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3, 3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,\ + 3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3, 3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,\ + 3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3, 3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,\ + 3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3, 3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,\ + 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,\ + 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,\ + 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,\ + 3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3, 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8 + +#endif /*_XTENSA_CORE_TIE_H*/ + |