5543e587c7
Intelligent NIC driver. The submission conconsists of firmware binary file and driver sources. Submitted by: pkanneganti@cavium.com (Prasad V Kanneganti) Relnotes: Yes Sponsored by: Cavium Networks Differential Revision: https://reviews.freebsd.org/D11927
942 lines
25 KiB
C
942 lines
25 KiB
C
/*
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* BSD LICENSE
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*
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* Copyright(c) 2017 Cavium, Inc.. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Cavium, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*$FreeBSD$*/
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/*
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* @file lio_console.c
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*/
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#include "lio_bsd.h"
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#include "lio_common.h"
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#include "lio_droq.h"
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#include "lio_iq.h"
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#include "lio_response_manager.h"
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#include "lio_device.h"
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#include "lio_image.h"
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#include "lio_mem_ops.h"
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#include "lio_main.h"
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static void lio_get_uboot_version(struct octeon_device *oct);
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static void lio_remote_lock(void);
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static void lio_remote_unlock(void);
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static uint64_t cvmx_bootmem_phy_named_block_find(struct octeon_device *oct,
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const char *name,
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uint32_t flags);
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static int lio_console_read(struct octeon_device *oct,
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uint32_t console_num, char *buffer,
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uint32_t buf_size);
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#define CAST_ULL(v) ((unsigned long long)(v))
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#define LIO_BOOTLOADER_PCI_READ_BUFFER_DATA_ADDR 0x0006c008
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#define LIO_BOOTLOADER_PCI_READ_BUFFER_LEN_ADDR 0x0006c004
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#define LIO_BOOTLOADER_PCI_READ_BUFFER_OWNER_ADDR 0x0006c000
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#define LIO_BOOTLOADER_PCI_READ_DESC_ADDR 0x0006c100
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#define LIO_BOOTLOADER_PCI_WRITE_BUFFER_STR_LEN 248
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#define LIO_PCI_IO_BUF_OWNER_OCTEON 0x00000001
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#define LIO_PCI_IO_BUF_OWNER_HOST 0x00000002
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#define LIO_PCI_CONSOLE_BLOCK_NAME "__pci_console"
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#define LIO_CONSOLE_POLL_INTERVAL_MS 100 /* 10 times per second */
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/*
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* First three members of cvmx_bootmem_desc are left in original positions
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* for backwards compatibility. Assumes big endian target
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*/
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struct cvmx_bootmem_desc {
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/* lock to control access to list */
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uint32_t lock;
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/* flags for indicating various conditions */
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uint32_t flags;
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uint64_t head_addr;
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/* incremented changed when incompatible changes made */
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uint32_t major_version;
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/*
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* incremented changed when compatible changes made, reset to zero
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* when major incremented
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*/
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uint32_t minor_version;
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uint64_t app_data_addr;
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uint64_t app_data_size;
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/* number of elements in named blocks array */
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uint32_t nb_num_blocks;
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/* length of name array in bootmem blocks */
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uint32_t named_block_name_len;
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/* address of named memory block descriptors */
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uint64_t named_block_array_addr;
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};
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/*
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* Structure that defines a single console.
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*
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* Note: when read_index == write_index, the buffer is empty. The actual usable
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* size of each console is console_buf_size -1;
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*/
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struct lio_pci_console {
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uint64_t input_base_addr;
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uint32_t input_read_index;
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uint32_t input_write_index;
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uint64_t output_base_addr;
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uint32_t output_read_index;
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uint32_t output_write_index;
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uint32_t lock;
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uint32_t buf_size;
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};
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/*
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* This is the main container structure that contains all the information
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* about all PCI consoles. The address of this structure is passed to
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* various routines that operation on PCI consoles.
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*/
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struct lio_pci_console_desc {
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uint32_t major_version;
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uint32_t minor_version;
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uint32_t lock;
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uint32_t flags;
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uint32_t num_consoles;
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uint32_t pad;
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/* must be 64 bit aligned here... */
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/* Array of addresses of octeon_pci_console structures */
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uint64_t console_addr_array[1];
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/* Implicit storage for console_addr_array */
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};
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/*
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* This macro returns the size of a member of a structure. Logically it is
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* the same as "sizeof(s::field)" in C++, but C lacks the "::" operator.
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*/
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#define SIZEOF_FIELD(s, field) sizeof(((s *)NULL)->field)
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/*
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* This function is the implementation of the get macros defined
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* for individual structure members. The argument are generated
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* by the macros inorder to read only the needed memory.
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*
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* @param oct Pointer to current octeon device
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* @param base 64bit physical address of the complete structure
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* @param offset Offset from the beginning of the structure to the member being
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* accessed.
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* @param size Size of the structure member.
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*
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* @return Value of the structure member promoted into a uint64_t.
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*/
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static inline uint64_t
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__cvmx_bootmem_desc_get(struct octeon_device *oct, uint64_t base,
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uint32_t offset, uint32_t size)
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{
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base = (1ull << 63) | (base + offset);
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switch (size) {
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case 4:
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return (lio_read_device_mem32(oct, base));
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case 8:
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return (lio_read_device_mem64(oct, base));
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default:
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return (0);
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}
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}
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/*
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* This function retrieves the string name of a named block. It is
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* more complicated than a simple memcpy() since the named block
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* descriptor may not be directly accessible.
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*
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* @param oct Pointer to current octeon device
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* @param addr Physical address of the named block descriptor
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* @param str String to receive the named block string name
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* @param len Length of the string buffer, which must match the length
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* stored in the bootmem descriptor.
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*/
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static void
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lio_bootmem_named_get_name(struct octeon_device *oct, uint64_t addr, char *str,
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uint32_t len)
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{
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addr += offsetof(struct cvmx_bootmem_named_block_desc, name);
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lio_pci_read_core_mem(oct, addr, (uint8_t *) str, len);
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str[len] = 0;
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}
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/* See header file for descriptions of functions */
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/*
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* Check the version information on the bootmem descriptor
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*
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* @param oct Pointer to current octeon device
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* @param exact_match
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* Exact major version to check against. A zero means
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* check that the version supports named blocks.
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*
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* @return Zero if the version is correct. Negative if the version is
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* incorrect. Failures also cause a message to be displayed.
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*/
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static int
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__cvmx_bootmem_check_version(struct octeon_device *oct, uint32_t exact_match)
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{
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uint32_t major_version;
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uint32_t minor_version;
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if (!oct->bootmem_desc_addr)
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oct->bootmem_desc_addr =
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lio_read_device_mem64(oct,
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LIO_BOOTLOADER_PCI_READ_DESC_ADDR);
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major_version = (uint32_t) __cvmx_bootmem_desc_get(oct,
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oct->bootmem_desc_addr,
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offsetof(struct cvmx_bootmem_desc, major_version),
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SIZEOF_FIELD(struct cvmx_bootmem_desc, major_version));
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minor_version = (uint32_t) __cvmx_bootmem_desc_get(oct,
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oct->bootmem_desc_addr,
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offsetof(struct cvmx_bootmem_desc, minor_version),
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SIZEOF_FIELD(struct cvmx_bootmem_desc, minor_version));
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lio_dev_dbg(oct, "%s: major_version=%d\n", __func__, major_version);
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if ((major_version > 3) ||
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(exact_match && major_version != exact_match)) {
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lio_dev_err(oct, "bootmem ver mismatch %d.%d addr:0x%llx\n",
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major_version, minor_version,
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CAST_ULL(oct->bootmem_desc_addr));
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return (-1);
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} else {
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return (0);
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}
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}
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static const struct cvmx_bootmem_named_block_desc *
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__cvmx_bootmem_find_named_block_flags(struct octeon_device *oct,
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const char *name, uint32_t flags)
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{
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struct cvmx_bootmem_named_block_desc *desc =
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&oct->bootmem_named_block_desc;
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uint64_t named_addr;
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named_addr = cvmx_bootmem_phy_named_block_find(oct, name,
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flags);
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if (named_addr) {
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desc->base_addr = __cvmx_bootmem_desc_get(oct, named_addr,
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offsetof(struct cvmx_bootmem_named_block_desc,
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base_addr),
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SIZEOF_FIELD(struct cvmx_bootmem_named_block_desc,
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base_addr));
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desc->size = __cvmx_bootmem_desc_get(oct, named_addr,
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offsetof(struct cvmx_bootmem_named_block_desc, size),
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SIZEOF_FIELD(struct cvmx_bootmem_named_block_desc,
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size));
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strncpy(desc->name, name, sizeof(desc->name));
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desc->name[sizeof(desc->name) - 1] = 0;
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return (&oct->bootmem_named_block_desc);
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} else {
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return (NULL);
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}
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}
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static uint64_t
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cvmx_bootmem_phy_named_block_find(struct octeon_device *oct, const char *name,
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uint32_t flags)
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{
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uint64_t result = 0;
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if (!__cvmx_bootmem_check_version(oct, 3)) {
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uint32_t i;
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uint64_t named_block_array_addr =
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__cvmx_bootmem_desc_get(oct, oct->bootmem_desc_addr,
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offsetof(struct cvmx_bootmem_desc,
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named_block_array_addr),
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SIZEOF_FIELD(struct cvmx_bootmem_desc,
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named_block_array_addr));
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uint32_t num_blocks =
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(uint32_t) __cvmx_bootmem_desc_get(oct,
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oct->bootmem_desc_addr,
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offsetof(struct cvmx_bootmem_desc,
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nb_num_blocks),
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SIZEOF_FIELD(struct cvmx_bootmem_desc,
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nb_num_blocks));
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uint32_t name_length =
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(uint32_t) __cvmx_bootmem_desc_get(oct,
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oct->bootmem_desc_addr,
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offsetof(struct cvmx_bootmem_desc,
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named_block_name_len),
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SIZEOF_FIELD(struct cvmx_bootmem_desc,
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named_block_name_len));
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uint64_t named_addr = named_block_array_addr;
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for (i = 0; i < num_blocks; i++) {
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uint64_t named_size =
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__cvmx_bootmem_desc_get(oct, named_addr,
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offsetof(struct cvmx_bootmem_named_block_desc,
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size),
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SIZEOF_FIELD(struct cvmx_bootmem_named_block_desc,
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size));
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if (name && named_size) {
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char *name_tmp = malloc(name_length + 1,
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M_DEVBUF, M_NOWAIT |
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M_ZERO);
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if (!name_tmp)
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break;
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lio_bootmem_named_get_name(oct, named_addr,
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name_tmp,
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name_length);
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if (!strncmp(name, name_tmp, name_length)) {
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result = named_addr;
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free(name_tmp, M_DEVBUF);
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break;
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}
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free(name_tmp, M_DEVBUF);
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} else if (!name && !named_size) {
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result = named_addr;
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break;
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}
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named_addr +=
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sizeof(struct cvmx_bootmem_named_block_desc);
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}
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}
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return (result);
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}
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/*
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* Find a named block on the remote Octeon
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*
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* @param oct Pointer to current octeon device
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* @param name Name of block to find
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* @param base_addr Address the block is at (OUTPUT)
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* @param size The size of the block (OUTPUT)
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*
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* @return Zero on success, One on failure.
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*/
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static int
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lio_named_block_find(struct octeon_device *oct, const char *name,
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uint64_t * base_addr, uint64_t * size)
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{
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const struct cvmx_bootmem_named_block_desc *named_block;
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lio_remote_lock();
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named_block = __cvmx_bootmem_find_named_block_flags(oct, name, 0);
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lio_remote_unlock();
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if (named_block != NULL) {
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*base_addr = named_block->base_addr;
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*size = named_block->size;
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return (0);
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}
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return (1);
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}
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static void
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lio_remote_lock(void)
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{
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/* fill this in if any sharing is needed */
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}
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static void
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lio_remote_unlock(void)
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{
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/* fill this in if any sharing is needed */
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}
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int
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lio_console_send_cmd(struct octeon_device *oct, char *cmd_str,
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uint32_t wait_hundredths)
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{
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uint32_t len = (uint32_t) strlen(cmd_str);
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lio_dev_dbg(oct, "sending \"%s\" to bootloader\n", cmd_str);
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if (len > LIO_BOOTLOADER_PCI_WRITE_BUFFER_STR_LEN - 1) {
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lio_dev_err(oct, "Command string too long, max length is: %d\n",
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LIO_BOOTLOADER_PCI_WRITE_BUFFER_STR_LEN - 1);
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return (-1);
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}
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if (lio_wait_for_bootloader(oct, wait_hundredths)) {
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lio_dev_err(oct, "Bootloader not ready for command.\n");
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return (-1);
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}
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/* Write command to bootloader */
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lio_remote_lock();
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lio_pci_write_core_mem(oct, LIO_BOOTLOADER_PCI_READ_BUFFER_DATA_ADDR,
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(uint8_t *) cmd_str, len);
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lio_write_device_mem32(oct, LIO_BOOTLOADER_PCI_READ_BUFFER_LEN_ADDR,
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len);
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lio_write_device_mem32(oct, LIO_BOOTLOADER_PCI_READ_BUFFER_OWNER_ADDR,
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LIO_PCI_IO_BUF_OWNER_OCTEON);
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/*
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* Bootloader should accept command very quickly if it really was
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* ready
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*/
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if (lio_wait_for_bootloader(oct, 200)) {
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lio_remote_unlock();
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lio_dev_err(oct, "Bootloader did not accept command.\n");
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return (-1);
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}
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lio_remote_unlock();
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return (0);
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}
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int
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lio_wait_for_bootloader(struct octeon_device *oct,
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uint32_t wait_time_hundredths)
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{
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lio_dev_dbg(oct, "waiting %d0 ms for bootloader\n",
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wait_time_hundredths);
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if (lio_mem_access_ok(oct))
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return (-1);
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while (wait_time_hundredths > 0 &&
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lio_read_device_mem32(oct,
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LIO_BOOTLOADER_PCI_READ_BUFFER_OWNER_ADDR) !=
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LIO_PCI_IO_BUF_OWNER_HOST) {
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if (--wait_time_hundredths <= 0)
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return (-1);
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lio_sleep_timeout(10);
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}
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return (0);
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}
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static void
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lio_console_handle_result(struct octeon_device *oct, size_t console_num)
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{
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struct lio_console *console;
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console = &oct->console[console_num];
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console->waiting = 0;
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}
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static char console_buffer[LIO_MAX_CONSOLE_READ_BYTES];
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|
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static void
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lio_output_console_line(struct octeon_device *oct, struct lio_console *console,
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size_t console_num, char *console_buffer,
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int32_t bytes_read)
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{
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size_t len;
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int32_t i;
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char *line;
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line = console_buffer;
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for (i = 0; i < bytes_read; i++) {
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/* Output a line at a time, prefixed */
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if (console_buffer[i] == '\n') {
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console_buffer[i] = '\0';
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/* We need to output 'line', prefaced by 'leftover'.
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* However, it is possible we're being called to
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* output 'leftover' by itself (in the case of nothing
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* having been read from the console).
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*
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* To avoid duplication, check for this condition.
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*/
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if (console->leftover[0] &&
|
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(line != console->leftover)) {
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if (console->print)
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(*console->print)(oct,
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(uint32_t)console_num,
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console->leftover,line);
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console->leftover[0] = '\0';
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} else {
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if (console->print)
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(*console->print)(oct,
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(uint32_t)console_num,
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line, NULL);
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}
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line = &console_buffer[i + 1];
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}
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}
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|
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/* Save off any leftovers */
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if (line != &console_buffer[bytes_read]) {
|
|
console_buffer[bytes_read] = '\0';
|
|
len = strlen(console->leftover);
|
|
strncpy(&console->leftover[len], line,
|
|
sizeof(console->leftover) - len);
|
|
}
|
|
}
|
|
|
|
static void
|
|
lio_check_console(void *arg)
|
|
{
|
|
struct lio_console *console;
|
|
struct lio_callout *console_callout = arg;
|
|
struct octeon_device *oct =
|
|
(struct octeon_device *)console_callout->ctxptr;
|
|
size_t len;
|
|
uint32_t console_num = (uint32_t) console_callout->ctxul;
|
|
int32_t bytes_read, total_read, tries;
|
|
|
|
console = &oct->console[console_num];
|
|
tries = 0;
|
|
total_read = 0;
|
|
|
|
if (callout_pending(&console_callout->timer) ||
|
|
(callout_active(&console_callout->timer) == 0))
|
|
return;
|
|
|
|
do {
|
|
/*
|
|
* Take console output regardless of whether it will be
|
|
* logged
|
|
*/
|
|
bytes_read = lio_console_read(oct, console_num, console_buffer,
|
|
sizeof(console_buffer) - 1);
|
|
if (bytes_read > 0) {
|
|
total_read += bytes_read;
|
|
if (console->waiting)
|
|
lio_console_handle_result(oct, console_num);
|
|
|
|
if (console->print) {
|
|
lio_output_console_line(oct, console,
|
|
console_num,
|
|
console_buffer,
|
|
bytes_read);
|
|
}
|
|
|
|
} else if (bytes_read < 0) {
|
|
lio_dev_err(oct, "Error reading console %u, ret=%d\n",
|
|
console_num, bytes_read);
|
|
}
|
|
|
|
tries++;
|
|
} while ((bytes_read > 0) && (tries < 16));
|
|
|
|
/*
|
|
* If nothing is read after polling the console, output any leftovers
|
|
* if any
|
|
*/
|
|
if (console->print && (total_read == 0) && (console->leftover[0])) {
|
|
/* append '\n' as terminator for 'output_console_line' */
|
|
len = strlen(console->leftover);
|
|
console->leftover[len] = '\n';
|
|
lio_output_console_line(oct, console, console_num,
|
|
console->leftover, (int32_t)(len + 1));
|
|
console->leftover[0] = '\0';
|
|
}
|
|
callout_schedule(&oct->console_timer[console_num].timer,
|
|
lio_ms_to_ticks(LIO_CONSOLE_POLL_INTERVAL_MS));
|
|
}
|
|
|
|
|
|
int
|
|
lio_init_consoles(struct octeon_device *oct)
|
|
{
|
|
uint64_t addr, size;
|
|
int ret = 0;
|
|
|
|
ret = lio_mem_access_ok(oct);
|
|
if (ret) {
|
|
lio_dev_err(oct, "Memory access not okay'\n");
|
|
return (ret);
|
|
}
|
|
ret = lio_named_block_find(oct, LIO_PCI_CONSOLE_BLOCK_NAME, &addr,
|
|
&size);
|
|
if (ret) {
|
|
lio_dev_err(oct, "Could not find console '%s'\n",
|
|
LIO_PCI_CONSOLE_BLOCK_NAME);
|
|
return (ret);
|
|
}
|
|
|
|
/*
|
|
* Use BAR1_INDEX15 to create a static mapping to a region of
|
|
* Octeon's DRAM that contains the PCI console named block.
|
|
*/
|
|
oct->console_nb_info.bar1_index = 15;
|
|
oct->fn_list.bar1_idx_setup(oct, addr, oct->console_nb_info.bar1_index,
|
|
1);
|
|
oct->console_nb_info.dram_region_base = addr & 0xFFFFFFFFFFC00000ULL;
|
|
|
|
/*
|
|
* num_consoles > 0, is an indication that the consoles are
|
|
* accessible
|
|
*/
|
|
oct->num_consoles = lio_read_device_mem32(oct,
|
|
addr + offsetof(struct lio_pci_console_desc,
|
|
num_consoles));
|
|
oct->console_desc_addr = addr;
|
|
|
|
lio_dev_dbg(oct, "Initialized consoles. %d available\n",
|
|
oct->num_consoles);
|
|
|
|
return (ret);
|
|
}
|
|
|
|
int
|
|
lio_add_console(struct octeon_device *oct, uint32_t console_num, char *dbg_enb)
|
|
{
|
|
struct callout *timer;
|
|
struct lio_console *console;
|
|
uint64_t coreaddr;
|
|
int ret = 0;
|
|
|
|
if (console_num >= oct->num_consoles) {
|
|
lio_dev_err(oct, "trying to read from console number %d when only 0 to %d exist\n",
|
|
console_num, oct->num_consoles);
|
|
} else {
|
|
console = &oct->console[console_num];
|
|
|
|
console->waiting = 0;
|
|
|
|
coreaddr = oct->console_desc_addr + console_num * 8 +
|
|
offsetof(struct lio_pci_console_desc,
|
|
console_addr_array);
|
|
console->addr = lio_read_device_mem64(oct, coreaddr);
|
|
coreaddr = console->addr + offsetof(struct lio_pci_console,
|
|
buf_size);
|
|
console->buffer_size = lio_read_device_mem32(oct, coreaddr);
|
|
coreaddr = console->addr + offsetof(struct lio_pci_console,
|
|
input_base_addr);
|
|
console->input_base_addr = lio_read_device_mem64(oct, coreaddr);
|
|
coreaddr = console->addr + offsetof(struct lio_pci_console,
|
|
output_base_addr);
|
|
console->output_base_addr =
|
|
lio_read_device_mem64(oct, coreaddr);
|
|
console->leftover[0] = '\0';
|
|
|
|
timer = &oct->console_timer[console_num].timer;
|
|
|
|
if (oct->uboot_len == 0)
|
|
lio_get_uboot_version(oct);
|
|
|
|
callout_init(timer, 0);
|
|
oct->console_timer[console_num].ctxptr = (void *)oct;
|
|
oct->console_timer[console_num].ctxul = console_num;
|
|
callout_reset(timer,
|
|
lio_ms_to_ticks(LIO_CONSOLE_POLL_INTERVAL_MS),
|
|
lio_check_console, timer);
|
|
/* an empty string means use default debug console enablement */
|
|
if (dbg_enb && !dbg_enb[0])
|
|
dbg_enb = "setenv pci_console_active 1";
|
|
|
|
if (dbg_enb)
|
|
ret = lio_console_send_cmd(oct, dbg_enb, 2000);
|
|
|
|
console->active = 1;
|
|
}
|
|
|
|
return (ret);
|
|
}
|
|
|
|
/*
|
|
* Removes all consoles
|
|
*
|
|
* @param oct octeon device
|
|
*/
|
|
void
|
|
lio_remove_consoles(struct octeon_device *oct)
|
|
{
|
|
struct lio_console *console;
|
|
uint32_t i;
|
|
|
|
for (i = 0; i < oct->num_consoles; i++) {
|
|
console = &oct->console[i];
|
|
|
|
if (!console->active)
|
|
continue;
|
|
|
|
callout_stop(&oct->console_timer[i].timer);
|
|
console->addr = 0;
|
|
console->buffer_size = 0;
|
|
console->input_base_addr = 0;
|
|
console->output_base_addr = 0;
|
|
}
|
|
|
|
oct->num_consoles = 0;
|
|
}
|
|
|
|
static inline int
|
|
lio_console_free_bytes(uint32_t buffer_size, uint32_t wr_idx, uint32_t rd_idx)
|
|
{
|
|
|
|
if (rd_idx >= buffer_size || wr_idx >= buffer_size)
|
|
return (-1);
|
|
|
|
return (((buffer_size - 1) - (wr_idx - rd_idx)) % buffer_size);
|
|
}
|
|
|
|
static inline int
|
|
lio_console_avail_bytes(uint32_t buffer_size, uint32_t wr_idx, uint32_t rd_idx)
|
|
{
|
|
|
|
if (rd_idx >= buffer_size || wr_idx >= buffer_size)
|
|
return (-1);
|
|
|
|
return (buffer_size - 1 -
|
|
lio_console_free_bytes(buffer_size, wr_idx, rd_idx));
|
|
}
|
|
|
|
static int
|
|
lio_console_read(struct octeon_device *oct, uint32_t console_num, char *buffer,
|
|
uint32_t buf_size)
|
|
{
|
|
struct lio_console *console;
|
|
int bytes_to_read;
|
|
uint32_t rd_idx, wr_idx;
|
|
|
|
if (console_num >= oct->num_consoles) {
|
|
lio_dev_err(oct, "Attempted to read from disabled console %d\n",
|
|
console_num);
|
|
return (0);
|
|
}
|
|
|
|
console = &oct->console[console_num];
|
|
|
|
/*
|
|
* Check to see if any data is available. Maybe optimize this with
|
|
* 64-bit read.
|
|
*/
|
|
rd_idx = lio_read_device_mem32(oct, console->addr +
|
|
offsetof(struct lio_pci_console, output_read_index));
|
|
wr_idx = lio_read_device_mem32(oct, console->addr +
|
|
offsetof(struct lio_pci_console, output_write_index));
|
|
|
|
bytes_to_read = lio_console_avail_bytes(console->buffer_size,
|
|
wr_idx, rd_idx);
|
|
if (bytes_to_read <= 0)
|
|
return (bytes_to_read);
|
|
|
|
bytes_to_read = min(bytes_to_read, buf_size);
|
|
|
|
/*
|
|
* Check to see if what we want to read is not contiguous, and limit
|
|
* ourselves to the contiguous block
|
|
*/
|
|
if (rd_idx + bytes_to_read >= console->buffer_size)
|
|
bytes_to_read = console->buffer_size - rd_idx;
|
|
|
|
lio_pci_read_core_mem(oct, console->output_base_addr + rd_idx,
|
|
(uint8_t *) buffer, bytes_to_read);
|
|
lio_write_device_mem32(oct, console->addr +
|
|
offsetof(struct lio_pci_console,
|
|
output_read_index),
|
|
(rd_idx + bytes_to_read) % console->buffer_size);
|
|
|
|
return (bytes_to_read);
|
|
}
|
|
|
|
static void
|
|
lio_get_uboot_version(struct octeon_device *oct)
|
|
{
|
|
struct lio_console *console;
|
|
int32_t bytes_read, total_read, tries;
|
|
uint32_t console_num = 0;
|
|
int i, ret = 0;
|
|
|
|
ret = lio_console_send_cmd(oct, "setenv stdout pci", 50);
|
|
|
|
console = &oct->console[console_num];
|
|
tries = 0;
|
|
total_read = 0;
|
|
|
|
ret = lio_console_send_cmd(oct, "version", 1);
|
|
|
|
do {
|
|
/*
|
|
* Take console output regardless of whether it will be
|
|
* logged
|
|
*/
|
|
bytes_read = lio_console_read(oct,
|
|
console_num, oct->uboot_version +
|
|
total_read,
|
|
OCTEON_UBOOT_BUFFER_SIZE - 1 -
|
|
total_read);
|
|
if (bytes_read > 0) {
|
|
oct->uboot_version[bytes_read] = 0x0;
|
|
|
|
total_read += bytes_read;
|
|
if (console->waiting)
|
|
lio_console_handle_result(oct, console_num);
|
|
|
|
} else if (bytes_read < 0) {
|
|
lio_dev_err(oct, "Error reading console %u, ret=%d\n",
|
|
console_num, bytes_read);
|
|
}
|
|
|
|
tries++;
|
|
} while ((bytes_read > 0) && (tries < 16));
|
|
|
|
/*
|
|
* If nothing is read after polling the console, output any leftovers
|
|
* if any
|
|
*/
|
|
if ((total_read == 0) && (console->leftover[0])) {
|
|
lio_dev_dbg(oct, "%u: %s\n", console_num, console->leftover);
|
|
console->leftover[0] = '\0';
|
|
}
|
|
|
|
ret = lio_console_send_cmd(oct, "setenv stdout serial", 50);
|
|
|
|
/* U-Boot */
|
|
for (i = 0; i < (OCTEON_UBOOT_BUFFER_SIZE - 9); i++) {
|
|
if (oct->uboot_version[i] == 'U' &&
|
|
oct->uboot_version[i + 2] == 'B' &&
|
|
oct->uboot_version[i + 3] == 'o' &&
|
|
oct->uboot_version[i + 4] == 'o' &&
|
|
oct->uboot_version[i + 5] == 't') {
|
|
oct->uboot_sidx = i;
|
|
i++;
|
|
for (; oct->uboot_version[i] != 0x0; i++) {
|
|
if (oct->uboot_version[i] == 'm' &&
|
|
oct->uboot_version[i + 1] == 'i' &&
|
|
oct->uboot_version[i + 2] == 'p' &&
|
|
oct->uboot_version[i + 3] == 's') {
|
|
oct->uboot_eidx = i - 1;
|
|
oct->uboot_version[i - 1] = 0x0;
|
|
oct->uboot_len = oct->uboot_eidx -
|
|
oct->uboot_sidx + 1;
|
|
lio_dev_info(oct, "%s\n",
|
|
&oct->uboot_version
|
|
[oct->uboot_sidx]);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
#define FBUF_SIZE (4 * 1024 * 1024)
|
|
|
|
int
|
|
lio_download_firmware(struct octeon_device *oct, const uint8_t * data,
|
|
size_t size)
|
|
{
|
|
struct lio_firmware_file_header *h;
|
|
uint64_t load_addr;
|
|
uint32_t crc32_result, i, image_len, rem;
|
|
int ret = 0;
|
|
|
|
if (size < sizeof(struct lio_firmware_file_header)) {
|
|
lio_dev_err(oct, "Firmware file too small (%d < %d).\n",
|
|
(uint32_t) size,
|
|
(uint32_t) sizeof(struct lio_firmware_file_header));
|
|
return (-EINVAL);
|
|
}
|
|
|
|
h = __DECONST(struct lio_firmware_file_header *, data);
|
|
|
|
if (be32toh(h->magic) != LIO_NIC_MAGIC) {
|
|
lio_dev_err(oct, "Unrecognized firmware file.\n");
|
|
return (-EINVAL);
|
|
}
|
|
|
|
crc32_result = crc32(data, sizeof(struct lio_firmware_file_header) -
|
|
sizeof(uint32_t));
|
|
if (crc32_result != be32toh(h->crc32)) {
|
|
lio_dev_err(oct, "Firmware CRC mismatch (0x%08x != 0x%08x).\n",
|
|
crc32_result, be32toh(h->crc32));
|
|
return (-EINVAL);
|
|
}
|
|
|
|
if (memcmp(LIO_BASE_VERSION, h->version,
|
|
strlen(LIO_BASE_VERSION))) {
|
|
lio_dev_err(oct, "Unmatched firmware version. Expected %s.x, got %s.\n",
|
|
LIO_BASE_VERSION, h->version);
|
|
return (-EINVAL);
|
|
}
|
|
|
|
if (be32toh(h->num_images) > LIO_MAX_IMAGES) {
|
|
lio_dev_err(oct, "Too many images in firmware file (%d).\n",
|
|
be32toh(h->num_images));
|
|
return (-EINVAL);
|
|
}
|
|
|
|
lio_dev_info(oct, "Firmware version: %s\n", h->version);
|
|
snprintf(oct->fw_info.lio_firmware_version, 32, "LIQUIDIO: %s",
|
|
h->version);
|
|
|
|
data += sizeof(struct lio_firmware_file_header);
|
|
|
|
lio_dev_info(oct, "Loading %d image(s)\n", be32toh(h->num_images));
|
|
|
|
/* load all images */
|
|
for (i = 0; i < be32toh(h->num_images); i++) {
|
|
load_addr = be64toh(h->desc[i].addr);
|
|
image_len = be32toh(h->desc[i].len);
|
|
|
|
lio_dev_info(oct, "Loading firmware %d at %llx\n", image_len,
|
|
(unsigned long long)load_addr);
|
|
|
|
/* Write in 4MB chunks */
|
|
rem = image_len;
|
|
|
|
while (rem) {
|
|
if (rem < FBUF_SIZE)
|
|
size = rem;
|
|
else
|
|
size = FBUF_SIZE;
|
|
|
|
/* download the image */
|
|
lio_pci_write_core_mem(oct, load_addr,
|
|
__DECONST(uint8_t *, data),
|
|
(uint32_t) size);
|
|
|
|
data += size;
|
|
rem -= (uint32_t) size;
|
|
load_addr += size;
|
|
}
|
|
}
|
|
|
|
lio_dev_info(oct, "Writing boot command: %s\n", h->bootcmd);
|
|
|
|
/* Invoke the bootcmd */
|
|
ret = lio_console_send_cmd(oct, h->bootcmd, 50);
|
|
return (0);
|
|
}
|