diff options
Diffstat (limited to 'arch/mips/include/asm/octeon')
| -rw-r--r-- | arch/mips/include/asm/octeon/cvmx-boot-vector.h | 53 | ||||
| -rw-r--r-- | arch/mips/include/asm/octeon/cvmx-bootmem.h | 28 | ||||
| -rw-r--r-- | arch/mips/include/asm/octeon/cvmx-ciu-defs.h | 10 | ||||
| -rw-r--r-- | arch/mips/include/asm/octeon/cvmx-config.h | 1 | ||||
| -rw-r--r-- | arch/mips/include/asm/octeon/cvmx.h | 28 | ||||
| -rw-r--r-- | arch/mips/include/asm/octeon/octeon.h | 2 |
6 files changed, 122 insertions, 0 deletions
diff --git a/arch/mips/include/asm/octeon/cvmx-boot-vector.h b/arch/mips/include/asm/octeon/cvmx-boot-vector.h new file mode 100644 index 000000000000..8db08241d53c --- /dev/null +++ b/arch/mips/include/asm/octeon/cvmx-boot-vector.h @@ -0,0 +1,53 @@ +/* + * 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) 2003-2017 Cavium, Inc. + */ + +#ifndef __CVMX_BOOT_VECTOR_H__ +#define __CVMX_BOOT_VECTOR_H__ + +#include <asm/octeon/octeon.h> + +/* + * The boot vector table is made up of an array of 1024 elements of + * struct cvmx_boot_vector_element. There is one entry for each + * possible MIPS CPUNum, indexed by the CPUNum. + * + * Once cvmx_boot_vector_get() returns a non-NULL value (indicating + * success), NMI to a core will cause execution to transfer to the + * target_ptr location for that core's entry in the vector table. + * + * The struct cvmx_boot_vector_element fields app0, app1, and app2 can + * be used by the application that has set the target_ptr in any + * application specific manner, they are not touched by the vectoring + * code. + * + * The boot vector code clobbers the CP0_DESAVE register, and on + * OCTEON II and later CPUs also clobbers CP0_KScratch2. All GP + * registers are preserved, except on pre-OCTEON II CPUs, where k1 is + * clobbered. + * + */ + + +/* + * Applications install the boot bus code in cvmx-boot-vector.c, which + * uses this magic: + */ +#define OCTEON_BOOT_MOVEABLE_MAGIC1 0xdb00110ad358eacdull + +struct cvmx_boot_vector_element { + /* kseg0 or xkphys address of target code. */ + uint64_t target_ptr; + /* Three application specific arguments. */ + uint64_t app0; + uint64_t app1; + uint64_t app2; +}; + +struct cvmx_boot_vector_element *cvmx_boot_vector_get(void); + +#endif /* __CVMX_BOOT_VECTOR_H__ */ diff --git a/arch/mips/include/asm/octeon/cvmx-bootmem.h b/arch/mips/include/asm/octeon/cvmx-bootmem.h index 374562507d0b..72d2e403a6e4 100644 --- a/arch/mips/include/asm/octeon/cvmx-bootmem.h +++ b/arch/mips/include/asm/octeon/cvmx-bootmem.h @@ -255,6 +255,34 @@ extern void *cvmx_bootmem_alloc_named_range(uint64_t size, uint64_t min_addr, uint64_t max_addr, uint64_t align, char *name); +/** + * Allocate if needed a block of memory from a specific range of the + * free list that was passed to the application by the bootloader, and + * assign it a name in the global named block table. (part of the + * cvmx_bootmem_descriptor_t structure) Named blocks can later be + * freed. If the requested name block is already allocated, return + * the pointer to block of memory. If request cannot be satisfied + * within the address range specified, NULL is returned + * + * @param size Size in bytes of block to allocate + * @param min_addr minimum address of range + * @param max_addr maximum address of range + * @param align Alignment of memory to be allocated. (must be a power of 2) + * @param name name of block - must be less than CVMX_BOOTMEM_NAME_LEN bytes + * @param init Initialization function + * + * The initialization function is optional, if omitted the named block + * is initialized to all zeros when it is created, i.e. once. + * + * @return pointer to block of memory, NULL on error + */ +void *cvmx_bootmem_alloc_named_range_once(uint64_t size, + uint64_t min_addr, + uint64_t max_addr, + uint64_t align, + char *name, + void (*init) (void *)); + extern int cvmx_bootmem_free_named(char *name); /** diff --git a/arch/mips/include/asm/octeon/cvmx-ciu-defs.h b/arch/mips/include/asm/octeon/cvmx-ciu-defs.h index 0dd0e40c96d4..6e61792d9248 100644 --- a/arch/mips/include/asm/octeon/cvmx-ciu-defs.h +++ b/arch/mips/include/asm/octeon/cvmx-ciu-defs.h @@ -128,6 +128,7 @@ static inline uint64_t CVMX_CIU_PP_POKEX(unsigned long offset) case OCTEON_CN52XX & OCTEON_FAMILY_MASK: case OCTEON_CNF71XX & OCTEON_FAMILY_MASK: case OCTEON_CN61XX & OCTEON_FAMILY_MASK: + case OCTEON_CN70XX & OCTEON_FAMILY_MASK: return CVMX_ADD_IO_SEG(0x0001070000000580ull) + (offset) * 8; case OCTEON_CN31XX & OCTEON_FAMILY_MASK: case OCTEON_CN50XX & OCTEON_FAMILY_MASK: @@ -143,6 +144,10 @@ static inline uint64_t CVMX_CIU_PP_POKEX(unsigned long offset) return CVMX_ADD_IO_SEG(0x0001070000000580ull) + (offset) * 8; case OCTEON_CN68XX & OCTEON_FAMILY_MASK: return CVMX_ADD_IO_SEG(0x0001070100100200ull) + (offset) * 8; + case OCTEON_CNF75XX & OCTEON_FAMILY_MASK: + case OCTEON_CN73XX & OCTEON_FAMILY_MASK: + case OCTEON_CN78XX & OCTEON_FAMILY_MASK: + return CVMX_ADD_IO_SEG(0x0001010000030000ull) + (offset) * 8; } return CVMX_ADD_IO_SEG(0x0001070000000580ull) + (offset) * 8; } @@ -180,6 +185,7 @@ static inline uint64_t CVMX_CIU_WDOGX(unsigned long offset) case OCTEON_CN52XX & OCTEON_FAMILY_MASK: case OCTEON_CNF71XX & OCTEON_FAMILY_MASK: case OCTEON_CN61XX & OCTEON_FAMILY_MASK: + case OCTEON_CN70XX & OCTEON_FAMILY_MASK: return CVMX_ADD_IO_SEG(0x0001070000000500ull) + (offset) * 8; case OCTEON_CN31XX & OCTEON_FAMILY_MASK: case OCTEON_CN50XX & OCTEON_FAMILY_MASK: @@ -195,6 +201,10 @@ static inline uint64_t CVMX_CIU_WDOGX(unsigned long offset) return CVMX_ADD_IO_SEG(0x0001070000000500ull) + (offset) * 8; case OCTEON_CN68XX & OCTEON_FAMILY_MASK: return CVMX_ADD_IO_SEG(0x0001070100100000ull) + (offset) * 8; + case OCTEON_CNF75XX & OCTEON_FAMILY_MASK: + case OCTEON_CN73XX & OCTEON_FAMILY_MASK: + case OCTEON_CN78XX & OCTEON_FAMILY_MASK: + return CVMX_ADD_IO_SEG(0x0001010000020000ull) + (offset) * 8; } return CVMX_ADD_IO_SEG(0x0001070000000500ull) + (offset) * 8; } diff --git a/arch/mips/include/asm/octeon/cvmx-config.h b/arch/mips/include/asm/octeon/cvmx-config.h index f4f1996e0fac..a8c358c02b05 100644 --- a/arch/mips/include/asm/octeon/cvmx-config.h +++ b/arch/mips/include/asm/octeon/cvmx-config.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __CVMX_CONFIG_H__ #define __CVMX_CONFIG_H__ diff --git a/arch/mips/include/asm/octeon/cvmx.h b/arch/mips/include/asm/octeon/cvmx.h index e638735cc3ac..205ab2ce10f8 100644 --- a/arch/mips/include/asm/octeon/cvmx.h +++ b/arch/mips/include/asm/octeon/cvmx.h @@ -357,6 +357,34 @@ static inline unsigned int cvmx_get_local_core_num(void) return cvmx_get_core_num() & ((1 << CVMX_NODE_NO_SHIFT) - 1); } +#define CVMX_NODE_BITS (2) /* Number of bits to define a node */ +#define CVMX_MAX_NODES (1 << CVMX_NODE_BITS) +#define CVMX_NODE_IO_SHIFT (36) +#define CVMX_NODE_MEM_SHIFT (40) +#define CVMX_NODE_IO_MASK ((uint64_t)CVMX_NODE_MASK << CVMX_NODE_IO_SHIFT) + +static inline void cvmx_write_csr_node(uint64_t node, uint64_t csr_addr, + uint64_t val) +{ + uint64_t composite_csr_addr, node_addr; + + node_addr = (node & CVMX_NODE_MASK) << CVMX_NODE_IO_SHIFT; + composite_csr_addr = (csr_addr & ~CVMX_NODE_IO_MASK) | node_addr; + + cvmx_write64_uint64(composite_csr_addr, val); + if (((csr_addr >> 40) & 0x7ffff) == (0x118)) + cvmx_read64_uint64(CVMX_MIO_BOOT_BIST_STAT | node_addr); +} + +static inline uint64_t cvmx_read_csr_node(uint64_t node, uint64_t csr_addr) +{ + uint64_t node_addr; + + node_addr = (csr_addr & ~CVMX_NODE_IO_MASK) | + (node & CVMX_NODE_MASK) << CVMX_NODE_IO_SHIFT; + return cvmx_read_csr(node_addr); +} + /** * Returns the number of bits set in the provided value. * Simple wrapper for POP instruction. diff --git a/arch/mips/include/asm/octeon/octeon.h b/arch/mips/include/asm/octeon/octeon.h index 07c0516ef4d5..c99c4b6a79f4 100644 --- a/arch/mips/include/asm/octeon/octeon.h +++ b/arch/mips/include/asm/octeon/octeon.h @@ -362,4 +362,6 @@ extern void octeon_fixup_irqs(void); extern struct semaphore octeon_bootbus_sem; +struct irq_domain *octeon_irq_get_block_domain(int node, uint8_t block); + #endif /* __ASM_OCTEON_OCTEON_H */ |