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octeon
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octeon.h
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/* * 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) 2004-2008 Cavium Networks */ #ifndef __ASM_OCTEON_OCTEON_H #define __ASM_OCTEON_OCTEON_H #include <asm/octeon/cvmx.h> #include <asm/bitfield.h> extern uint64_t octeon_bootmem_alloc_range_phys(uint64_t size, uint64_t alignment, uint64_t min_addr, uint64_t max_addr, int do_locking); extern void *octeon_bootmem_alloc(uint64_t size, uint64_t alignment, int do_locking); extern void *octeon_bootmem_alloc_range(uint64_t size, uint64_t alignment, uint64_t min_addr, uint64_t max_addr, int do_locking); extern void *octeon_bootmem_alloc_named(uint64_t size, uint64_t alignment, char *name); extern void *octeon_bootmem_alloc_named_range(uint64_t size, uint64_t min_addr, uint64_t max_addr, uint64_t align, char *name); extern void *octeon_bootmem_alloc_named_address(uint64_t size, uint64_t address, char *name); extern int octeon_bootmem_free_named(char *name); extern void octeon_bootmem_lock(void); extern void octeon_bootmem_unlock(void); extern int octeon_is_simulation(void); extern int octeon_is_pci_host(void); extern int octeon_usb_is_ref_clk(void); extern uint64_t octeon_get_clock_rate(void); extern u64 octeon_get_io_clock_rate(void); extern const char *octeon_board_type_string(void); extern const char *octeon_get_pci_interrupts(void); extern int octeon_get_southbridge_interrupt(void); extern int octeon_get_boot_coremask(void); extern int octeon_get_boot_num_arguments(void); extern const char *octeon_get_boot_argument(int arg); extern void octeon_hal_setup_reserved32(void); extern void octeon_user_io_init(void); extern void octeon_init_cvmcount(void); extern void octeon_setup_delays(void); extern void octeon_io_clk_delay(unsigned long); #define OCTEON_ARGV_MAX_ARGS 64 #define OCTEON_SERIAL_LEN 20 struct octeon_boot_descriptor { #ifdef __BIG_ENDIAN_BITFIELD /* Start of block referenced by assembly code - do not change! */ uint32_t desc_version; uint32_t desc_size; uint64_t stack_top; uint64_t heap_base; uint64_t heap_end; /* Only used by bootloader */ uint64_t entry_point; uint64_t desc_vaddr; /* End of This block referenced by assembly code - do not change! */ uint32_t exception_base_addr; uint32_t stack_size; uint32_t heap_size; /* Argc count for application. */ uint32_t argc; uint32_t argv[OCTEON_ARGV_MAX_ARGS]; #define BOOT_FLAG_INIT_CORE (1 << 0) #define OCTEON_BL_FLAG_DEBUG (1 << 1) #define OCTEON_BL_FLAG_NO_MAGIC (1 << 2) /* If set, use uart1 for console */ #define OCTEON_BL_FLAG_CONSOLE_UART1 (1 << 3) /* If set, use PCI console */ #define OCTEON_BL_FLAG_CONSOLE_PCI (1 << 4) /* Call exit on break on serial port */ #define OCTEON_BL_FLAG_BREAK (1 << 5) uint32_t flags; uint32_t core_mask; /* DRAM size in megabyes. */ uint32_t dram_size; /* physical address of free memory descriptor block. */ uint32_t phy_mem_desc_addr; /* used to pass flags from app to debugger. */ uint32_t debugger_flags_base_addr; /* CPU clock speed, in hz. */ uint32_t eclock_hz; /* DRAM clock speed, in hz. */ uint32_t dclock_hz; /* SPI4 clock in hz. */ uint32_t spi_clock_hz; uint16_t board_type; uint8_t board_rev_major; uint8_t board_rev_minor; uint16_t chip_type; uint8_t chip_rev_major; uint8_t chip_rev_minor; char board_serial_number[OCTEON_SERIAL_LEN]; uint8_t mac_addr_base[6]; uint8_t mac_addr_count; uint64_t cvmx_desc_vaddr; #else uint32_t desc_size; uint32_t desc_version; uint64_t stack_top; uint64_t heap_base; uint64_t heap_end; /* Only used by bootloader */ uint64_t entry_point; uint64_t desc_vaddr; /* End of This block referenced by assembly code - do not change! */ uint32_t stack_size; uint32_t exception_base_addr; uint32_t argc; uint32_t heap_size; /* * Argc count for application. * Warning low bit scrambled in little-endian. */ uint32_t argv[OCTEON_ARGV_MAX_ARGS]; #define BOOT_FLAG_INIT_CORE (1 << 0) #define OCTEON_BL_FLAG_DEBUG (1 << 1) #define OCTEON_BL_FLAG_NO_MAGIC (1 << 2) /* If set, use uart1 for console */ #define OCTEON_BL_FLAG_CONSOLE_UART1 (1 << 3) /* If set, use PCI console */ #define OCTEON_BL_FLAG_CONSOLE_PCI (1 << 4) /* Call exit on break on serial port */ #define OCTEON_BL_FLAG_BREAK (1 << 5) uint32_t core_mask; uint32_t flags; /* physical address of free memory descriptor block. */ uint32_t phy_mem_desc_addr; /* DRAM size in megabyes. */ uint32_t dram_size; /* CPU clock speed, in hz. */ uint32_t eclock_hz; /* used to pass flags from app to debugger. */ uint32_t debugger_flags_base_addr; /* SPI4 clock in hz. */ uint32_t spi_clock_hz; /* DRAM clock speed, in hz. */ uint32_t dclock_hz; uint8_t chip_rev_minor; uint8_t chip_rev_major; uint16_t chip_type; uint8_t board_rev_minor; uint8_t board_rev_major; uint16_t board_type; uint64_t unused1[4]; /* Not even filled in by bootloader. */ uint64_t cvmx_desc_vaddr; #endif }; union octeon_cvmemctl { uint64_t u64; struct { /* RO 1 = BIST fail, 0 = BIST pass */ __BITFIELD_FIELD(uint64_t tlbbist:1, /* RO 1 = BIST fail, 0 = BIST pass */ __BITFIELD_FIELD(uint64_t l1cbist:1, /* RO 1 = BIST fail, 0 = BIST pass */ __BITFIELD_FIELD(uint64_t l1dbist:1, /* RO 1 = BIST fail, 0 = BIST pass */ __BITFIELD_FIELD(uint64_t dcmbist:1, /* RO 1 = BIST fail, 0 = BIST pass */ __BITFIELD_FIELD(uint64_t ptgbist:1, /* RO 1 = BIST fail, 0 = BIST pass */ __BITFIELD_FIELD(uint64_t wbfbist:1, /* Reserved */ __BITFIELD_FIELD(uint64_t reserved:17, /* OCTEON II - TLB replacement policy: 0 = bitmask LRU; 1 = NLU. * This field selects between the TLB replacement policies: * bitmask LRU or NLU. Bitmask LRU maintains a mask of * recently used TLB entries and avoids them as new entries * are allocated. NLU simply guarantees that the next * allocation is not the last used TLB entry. */ __BITFIELD_FIELD(uint64_t tlbnlu:1, /* OCTEON II - Selects the bit in the counter used for * releasing a PAUSE. This counter trips every 2(8+PAUSETIME) * cycles. If not already released, the cnMIPS II core will * always release a given PAUSE instruction within * 2(8+PAUSETIME). If the counter trip happens to line up, * the cnMIPS II core may release the PAUSE instantly. */ __BITFIELD_FIELD(uint64_t pausetime:3, /* OCTEON II - This field is an extension of * CvmMemCtl[DIDTTO] */ __BITFIELD_FIELD(uint64_t didtto2:1, /* R/W If set, marked write-buffer entries time out * the same as as other entries; if clear, marked * write-buffer entries use the maximum timeout. */ __BITFIELD_FIELD(uint64_t dismarkwblongto:1, /* R/W If set, a merged store does not clear the * write-buffer entry timeout state. */ __BITFIELD_FIELD(uint64_t dismrgclrwbto:1, /* R/W Two bits that are the MSBs of the resultant * CVMSEG LM word location for an IOBDMA. The other 8 * bits come from the SCRADDR field of the IOBDMA. */ __BITFIELD_FIELD(uint64_t iobdmascrmsb:2, /* R/W If set, SYNCWS and SYNCS only order marked * stores; if clear, SYNCWS and SYNCS only order * unmarked stores. SYNCWSMARKED has no effect when * DISSYNCWS is set. */ __BITFIELD_FIELD(uint64_t syncwsmarked:1, /* R/W If set, SYNCWS acts as SYNCW and SYNCS acts as * SYNC. */ __BITFIELD_FIELD(uint64_t dissyncws:1, /* R/W If set, no stall happens on write buffer * full. */ __BITFIELD_FIELD(uint64_t diswbfst:1, /* R/W If set (and SX set), supervisor-level * loads/stores can use XKPHYS addresses with * VA<48>==0 */ __BITFIELD_FIELD(uint64_t xkmemenas:1, /* R/W If set (and UX set), user-level loads/stores * can use XKPHYS addresses with VA<48>==0 */ __BITFIELD_FIELD(uint64_t xkmemenau:1, /* R/W If set (and SX set), supervisor-level * loads/stores can use XKPHYS addresses with * VA<48>==1 */ __BITFIELD_FIELD(uint64_t xkioenas:1, /* R/W If set (and UX set), user-level loads/stores * can use XKPHYS addresses with VA<48>==1 */ __BITFIELD_FIELD(uint64_t xkioenau:1, /* R/W If set, all stores act as SYNCW (NOMERGE must * be set when this is set) RW, reset to 0. */ __BITFIELD_FIELD(uint64_t allsyncw:1, /* R/W If set, no stores merge, and all stores reach * the coherent bus in order. */ __BITFIELD_FIELD(uint64_t nomerge:1, /* R/W Selects the bit in the counter used for DID * time-outs 0 = 231, 1 = 230, 2 = 229, 3 = * 214. Actual time-out is between 1x and 2x this * interval. For example, with DIDTTO=3, expiration * interval is between 16K and 32K. */ __BITFIELD_FIELD(uint64_t didtto:2, /* R/W If set, the (mem) CSR clock never turns off. */ __BITFIELD_FIELD(uint64_t csrckalwys:1, /* R/W If set, mclk never turns off. */ __BITFIELD_FIELD(uint64_t mclkalwys:1, /* R/W Selects the bit in the counter used for write * buffer flush time-outs (WBFLT+11) is the bit * position in an internal counter used to determine * expiration. The write buffer expires between 1x and * 2x this interval. For example, with WBFLT = 0, a * write buffer expires between 2K and 4K cycles after * the write buffer entry is allocated. */ __BITFIELD_FIELD(uint64_t wbfltime:3, /* R/W If set, do not put Istream in the L2 cache. */ __BITFIELD_FIELD(uint64_t istrnol2:1, /* R/W The write buffer threshold. */ __BITFIELD_FIELD(uint64_t wbthresh:4, /* Reserved */ __BITFIELD_FIELD(uint64_t reserved2:2, /* R/W If set, CVMSEG is available for loads/stores in * kernel/debug mode. */ __BITFIELD_FIELD(uint64_t cvmsegenak:1, /* R/W If set, CVMSEG is available for loads/stores in * supervisor mode. */ __BITFIELD_FIELD(uint64_t cvmsegenas:1, /* R/W If set, CVMSEG is available for loads/stores in * user mode. */ __BITFIELD_FIELD(uint64_t cvmsegenau:1, /* R/W Size of local memory in cache blocks, 54 (6912 * bytes) is max legal value. */ __BITFIELD_FIELD(uint64_t lmemsz:6, ;))))))))))))))))))))))))))))))))) } s; }; extern void octeon_check_cpu_bist(void); int octeon_prune_device_tree(void); extern const char __appended_dtb; extern const char __dtb_octeon_3xxx_begin; extern const char __dtb_octeon_68xx_begin; /** * Write a 32bit value to the Octeon NPI register space * * @address: Address to write to * @val: Value to write */ static inline void octeon_npi_write32(uint64_t address, uint32_t val) { cvmx_write64_uint32(address ^ 4, val); cvmx_read64_uint32(address ^ 4); } #ifdef CONFIG_SMP void octeon_setup_smp(void); #else static inline void octeon_setup_smp(void) {} #endif struct irq_domain; struct device_node; struct irq_data; struct irq_chip; void octeon_ciu3_mbox_send(int cpu, unsigned int mbox); int octeon_irq_ciu3_xlat(struct irq_domain *d, struct device_node *node, const u32 *intspec, unsigned int intsize, unsigned long *out_hwirq, unsigned int *out_type); void octeon_irq_ciu3_enable(struct irq_data *data); void octeon_irq_ciu3_disable(struct irq_data *data); void octeon_irq_ciu3_ack(struct irq_data *data); void octeon_irq_ciu3_mask(struct irq_data *data); void octeon_irq_ciu3_mask_ack(struct irq_data *data); int octeon_irq_ciu3_mapx(struct irq_domain *d, unsigned int virq, irq_hw_number_t hw, struct irq_chip *chip); /* Octeon multiplier save/restore routines from octeon_switch.S */ void octeon_mult_save(void); void octeon_mult_restore(void); void octeon_mult_save_end(void); void octeon_mult_restore_end(void); void octeon_mult_save3(void); void octeon_mult_save3_end(void); void octeon_mult_save2(void); void octeon_mult_save2_end(void); void octeon_mult_restore3(void); void octeon_mult_restore3_end(void); void octeon_mult_restore2(void); void octeon_mult_restore2_end(void); /** * Read a 32bit value from the Octeon NPI register space * * @address: Address to read * Returns The result */ static inline uint32_t octeon_npi_read32(uint64_t address) { return cvmx_read64_uint32(address ^ 4); } extern struct cvmx_bootinfo *octeon_bootinfo; extern uint64_t octeon_bootloader_entry_addr; extern void (*octeon_irq_setup_secondary)(void); typedef void (*octeon_irq_ip4_handler_t)(void); void octeon_irq_set_ip4_handler(octeon_irq_ip4_handler_t); 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 */