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