diff options
Diffstat (limited to 'arch/mips/cavium-octeon/executive')
17 files changed, 390 insertions, 588 deletions
diff --git a/arch/mips/cavium-octeon/executive/cvmx-bootmem.c b/arch/mips/cavium-octeon/executive/cvmx-bootmem.c index fdf5f19bfdb..504ed61a47c 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-bootmem.c +++ b/arch/mips/cavium-octeon/executive/cvmx-bootmem.c @@ -155,8 +155,8 @@ int cvmx_bootmem_init(void *mem_desc_ptr) * * Linux 64 bit: Set XKPHYS bit * Linux 32 bit: use mmap to create mapping, use virtual address - * CVMX 64 bit: use physical address directly - * CVMX 32 bit: use physical address directly + * CVMX 64 bit: use physical address directly + * CVMX 32 bit: use physical address directly * * Note that the CVMX environment assumes the use of 1-1 TLB * mappings so that the physical addresses can be used @@ -398,7 +398,7 @@ error_out: int __cvmx_bootmem_phy_free(uint64_t phy_addr, uint64_t size, uint32_t flags) { uint64_t cur_addr; - uint64_t prev_addr = 0; /* zero is invalid */ + uint64_t prev_addr = 0; /* zero is invalid */ int retval = 0; #ifdef DEBUG @@ -424,7 +424,7 @@ int __cvmx_bootmem_phy_free(uint64_t phy_addr, uint64_t size, uint32_t flags) if (cur_addr == 0 || phy_addr < cur_addr) { /* add at front of list - special case with changing head ptr */ if (cur_addr && phy_addr + size > cur_addr) - goto bootmem_free_done; /* error, overlapping section */ + goto bootmem_free_done; /* error, overlapping section */ else if (phy_addr + size == cur_addr) { /* Add to front of existing first block */ cvmx_bootmem_phy_set_next(phy_addr, @@ -611,7 +611,7 @@ int cvmx_bootmem_phy_named_block_free(char *name, uint32_t flags) } cvmx_bootmem_unlock(); - return named_block_ptr != NULL; /* 0 on failure, 1 on success */ + return named_block_ptr != NULL; /* 0 on failure, 1 on success */ } int64_t cvmx_bootmem_phy_named_block_alloc(uint64_t size, uint64_t min_addr, @@ -688,3 +688,8 @@ int64_t cvmx_bootmem_phy_named_block_alloc(uint64_t size, uint64_t min_addr, cvmx_spinlock_unlock((cvmx_spinlock_t *)&(cvmx_bootmem_desc->lock)); return addr_allocated; } + +struct cvmx_bootmem_desc *cvmx_bootmem_get_desc(void) +{ + return cvmx_bootmem_desc; +} diff --git a/arch/mips/cavium-octeon/executive/cvmx-cmd-queue.c b/arch/mips/cavium-octeon/executive/cvmx-cmd-queue.c index 132bccc66a9..8241fc6aa17 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-cmd-queue.c +++ b/arch/mips/cavium-octeon/executive/cvmx-cmd-queue.c @@ -47,6 +47,7 @@ * state. It points to a bootmem named block. */ __cvmx_cmd_queue_all_state_t *__cvmx_cmd_queue_state_ptr; +EXPORT_SYMBOL_GPL(__cvmx_cmd_queue_state_ptr); /** * Initialize the Global queue state pointer. diff --git a/arch/mips/cavium-octeon/executive/cvmx-fpa.c b/arch/mips/cavium-octeon/executive/cvmx-fpa.c deleted file mode 100644 index ad44b8bd805..00000000000 --- a/arch/mips/cavium-octeon/executive/cvmx-fpa.c +++ /dev/null @@ -1,183 +0,0 @@ -/***********************license start*************** - * Author: Cavium Networks - * - * Contact: support@caviumnetworks.com - * This file is part of the OCTEON SDK - * - * Copyright (c) 2003-2008 Cavium Networks - * - * This file is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, Version 2, as - * published by the Free Software Foundation. - * - * This file is distributed in the hope that it will be useful, but - * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or - * NONINFRINGEMENT. See the GNU General Public License for more - * details. - * - * You should have received a copy of the GNU General Public License - * along with this file; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * or visit http://www.gnu.org/licenses/. - * - * This file may also be available under a different license from Cavium. - * Contact Cavium Networks for more information - ***********************license end**************************************/ - -/** - * @file - * - * Support library for the hardware Free Pool Allocator. - * - * - */ - -#include "cvmx-config.h" -#include "cvmx.h" -#include "cvmx-fpa.h" -#include "cvmx-ipd.h" - -/** - * Current state of all the pools. Use access functions - * instead of using it directly. - */ -CVMX_SHARED cvmx_fpa_pool_info_t cvmx_fpa_pool_info[CVMX_FPA_NUM_POOLS]; - -/** - * Setup a FPA pool to control a new block of memory. The - * buffer pointer must be a physical address. - * - * @pool: Pool to initialize - * 0 <= pool < 8 - * @name: Constant character string to name this pool. - * String is not copied. - * @buffer: Pointer to the block of memory to use. This must be - * accessible by all processors and external hardware. - * @block_size: Size for each block controlled by the FPA - * @num_blocks: Number of blocks - * - * Returns 0 on Success, - * -1 on failure - */ -int cvmx_fpa_setup_pool(uint64_t pool, const char *name, void *buffer, - uint64_t block_size, uint64_t num_blocks) -{ - char *ptr; - if (!buffer) { - cvmx_dprintf - ("ERROR: cvmx_fpa_setup_pool: NULL buffer pointer!\n"); - return -1; - } - if (pool >= CVMX_FPA_NUM_POOLS) { - cvmx_dprintf("ERROR: cvmx_fpa_setup_pool: Illegal pool!\n"); - return -1; - } - - if (block_size < CVMX_FPA_MIN_BLOCK_SIZE) { - cvmx_dprintf - ("ERROR: cvmx_fpa_setup_pool: Block size too small.\n"); - return -1; - } - - if (((unsigned long)buffer & (CVMX_FPA_ALIGNMENT - 1)) != 0) { - cvmx_dprintf - ("ERROR: cvmx_fpa_setup_pool: Buffer not aligned properly.\n"); - return -1; - } - - cvmx_fpa_pool_info[pool].name = name; - cvmx_fpa_pool_info[pool].size = block_size; - cvmx_fpa_pool_info[pool].starting_element_count = num_blocks; - cvmx_fpa_pool_info[pool].base = buffer; - - ptr = (char *)buffer; - while (num_blocks--) { - cvmx_fpa_free(ptr, pool, 0); - ptr += block_size; - } - return 0; -} - -/** - * Shutdown a Memory pool and validate that it had all of - * the buffers originally placed in it. - * - * @pool: Pool to shutdown - * Returns Zero on success - * - Positive is count of missing buffers - * - Negative is too many buffers or corrupted pointers - */ -uint64_t cvmx_fpa_shutdown_pool(uint64_t pool) -{ - uint64_t errors = 0; - uint64_t count = 0; - uint64_t base = cvmx_ptr_to_phys(cvmx_fpa_pool_info[pool].base); - uint64_t finish = - base + - cvmx_fpa_pool_info[pool].size * - cvmx_fpa_pool_info[pool].starting_element_count; - void *ptr; - uint64_t address; - - count = 0; - do { - ptr = cvmx_fpa_alloc(pool); - if (ptr) - address = cvmx_ptr_to_phys(ptr); - else - address = 0; - if (address) { - if ((address >= base) && (address < finish) && - (((address - - base) % cvmx_fpa_pool_info[pool].size) == 0)) { - count++; - } else { - cvmx_dprintf - ("ERROR: cvmx_fpa_shutdown_pool: Illegal address 0x%llx in pool %s(%d)\n", - (unsigned long long)address, - cvmx_fpa_pool_info[pool].name, (int)pool); - errors++; - } - } - } while (address); - -#ifdef CVMX_ENABLE_PKO_FUNCTIONS - if (pool == 0) - cvmx_ipd_free_ptr(); -#endif - - if (errors) { - cvmx_dprintf - ("ERROR: cvmx_fpa_shutdown_pool: Pool %s(%d) started at 0x%llx, ended at 0x%llx, with a step of 0x%llx\n", - cvmx_fpa_pool_info[pool].name, (int)pool, - (unsigned long long)base, (unsigned long long)finish, - (unsigned long long)cvmx_fpa_pool_info[pool].size); - return -errors; - } else - return 0; -} - -uint64_t cvmx_fpa_get_block_size(uint64_t pool) -{ - switch (pool) { - case 0: - return CVMX_FPA_POOL_0_SIZE; - case 1: - return CVMX_FPA_POOL_1_SIZE; - case 2: - return CVMX_FPA_POOL_2_SIZE; - case 3: - return CVMX_FPA_POOL_3_SIZE; - case 4: - return CVMX_FPA_POOL_4_SIZE; - case 5: - return CVMX_FPA_POOL_5_SIZE; - case 6: - return CVMX_FPA_POOL_6_SIZE; - case 7: - return CVMX_FPA_POOL_7_SIZE; - default: - return 0; - } -} diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-board.c b/arch/mips/cavium-octeon/executive/cvmx-helper-board.c index fd2015331a2..b764df64be4 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-helper-board.c +++ b/arch/mips/cavium-octeon/executive/cvmx-helper-board.c @@ -181,6 +181,11 @@ int cvmx_helper_board_get_mii_address(int ipd_port) return ipd_port - 16 + 4; else return -1; + case CVMX_BOARD_TYPE_UBNT_E100: + if (ipd_port >= 0 && ipd_port <= 2) + return 7 - ipd_port; + else + return -1; } /* Some unknown board. Somebody forgot to update this function... */ @@ -203,10 +208,10 @@ int cvmx_helper_board_get_mii_address(int ipd_port) * enumeration from the bootloader. * * @ipd_port: IPD input port associated with the port we want to get link - * status for. + * status for. * * Returns The ports link status. If the link isn't fully resolved, this must - * return zero. + * return zero. */ cvmx_helper_link_info_t __cvmx_helper_board_link_get(int ipd_port) { @@ -357,16 +362,16 @@ cvmx_helper_link_info_t __cvmx_helper_board_link_get(int ipd_port) result.s.link_up = 1; result.s.full_duplex = ((phy_status >> 13) & 1); switch ((phy_status >> 14) & 3) { - case 0: /* 10 Mbps */ + case 0: /* 10 Mbps */ result.s.speed = 10; break; - case 1: /* 100 Mbps */ + case 1: /* 100 Mbps */ result.s.speed = 100; break; - case 2: /* 1 Gbps */ + case 2: /* 1 Gbps */ result.s.speed = 1000; break; - case 3: /* Illegal */ + case 3: /* Illegal */ result.u64 = 0; break; } @@ -391,16 +396,16 @@ cvmx_helper_link_info_t __cvmx_helper_board_link_get(int ipd_port) result.s.link_up = inband_status.s.status; result.s.full_duplex = inband_status.s.duplex; switch (inband_status.s.speed) { - case 0: /* 10 Mbps */ + case 0: /* 10 Mbps */ result.s.speed = 10; break; - case 1: /* 100 Mbps */ + case 1: /* 100 Mbps */ result.s.speed = 100; break; - case 2: /* 1 Gbps */ + case 2: /* 1 Gbps */ result.s.speed = 1000; break; - case 3: /* Illegal */ + case 3: /* Illegal */ result.u64 = 0; break; } @@ -429,9 +434,9 @@ cvmx_helper_link_info_t __cvmx_helper_board_link_get(int ipd_port) * * @phy_addr: The address of the PHY to program * @enable_autoneg: - * Non zero if you want to enable auto-negotiation. + * Non zero if you want to enable auto-negotiation. * @link_info: Link speed to program. If the speed is zero and auto-negotiation - * is enabled, all possible negotiation speeds are advertised. + * is enabled, all possible negotiation speeds are advertised. * * Returns Zero on success, negative on failure */ @@ -607,10 +612,10 @@ int cvmx_helper_board_link_set_phy(int phy_addr, * * @interface: Interface to probe * @supported_ports: - * Number of ports Octeon supports. + * Number of ports Octeon supports. * * Returns Number of ports the actual board supports. Many times this will - * simple be "support_ports". + * simple be "support_ports". */ int __cvmx_helper_board_interface_probe(int interface, int supported_ports) { @@ -706,6 +711,41 @@ int __cvmx_helper_board_hardware_enable(int interface) } } } + } else if (cvmx_sysinfo_get()->board_type == + CVMX_BOARD_TYPE_UBNT_E100) { + cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX(0, interface), 0); + cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX(0, interface), 0x10); + cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX(1, interface), 0); + cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX(1, interface), 0x10); + cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX(2, interface), 0); + cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX(2, interface), 0x10); } return 0; } + +/** + * Get the clock type used for the USB block based on board type. + * Used by the USB code for auto configuration of clock type. + * + * Return USB clock type enumeration + */ +enum cvmx_helper_board_usb_clock_types __cvmx_helper_board_usb_get_clock_type(void) +{ + switch (cvmx_sysinfo_get()->board_type) { + case CVMX_BOARD_TYPE_BBGW_REF: + case CVMX_BOARD_TYPE_LANAI2_A: + case CVMX_BOARD_TYPE_LANAI2_U: + case CVMX_BOARD_TYPE_LANAI2_G: + case CVMX_BOARD_TYPE_NIC10E_66: + case CVMX_BOARD_TYPE_UBNT_E100: + return USB_CLOCK_TYPE_CRYSTAL_12; + case CVMX_BOARD_TYPE_NIC10E: + return USB_CLOCK_TYPE_REF_12; + default: + break; + } + /* Most boards except NIC10e use a 12MHz crystal */ + if (OCTEON_IS_MODEL(OCTEON_FAM_2)) + return USB_CLOCK_TYPE_CRYSTAL_12; + return USB_CLOCK_TYPE_REF_48; +} diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-fpa.c b/arch/mips/cavium-octeon/executive/cvmx-helper-fpa.c deleted file mode 100644 index c239e5f4ab9..00000000000 --- a/arch/mips/cavium-octeon/executive/cvmx-helper-fpa.c +++ /dev/null @@ -1,243 +0,0 @@ -/***********************license start*************** - * Author: Cavium Networks - * - * Contact: support@caviumnetworks.com - * This file is part of the OCTEON SDK - * - * Copyright (c) 2003-2008 Cavium Networks - * - * This file is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, Version 2, as - * published by the Free Software Foundation. - * - * This file is distributed in the hope that it will be useful, but - * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or - * NONINFRINGEMENT. See the GNU General Public License for more - * details. - * - * You should have received a copy of the GNU General Public License - * along with this file; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * or visit http://www.gnu.org/licenses/. - * - * This file may also be available under a different license from Cavium. - * Contact Cavium Networks for more information - ***********************license end**************************************/ - -/** - * @file - * - * Helper functions for FPA setup. - * - */ -#include "executive-config.h" -#include "cvmx-config.h" -#include "cvmx.h" -#include "cvmx-bootmem.h" -#include "cvmx-fpa.h" -#include "cvmx-helper-fpa.h" - -/** - * Allocate memory for and initialize a single FPA pool. - * - * @pool: Pool to initialize - * @buffer_size: Size of buffers to allocate in bytes - * @buffers: Number of buffers to put in the pool. Zero is allowed - * @name: String name of the pool for debugging purposes - * Returns Zero on success, non-zero on failure - */ -static int __cvmx_helper_initialize_fpa_pool(int pool, uint64_t buffer_size, - uint64_t buffers, const char *name) -{ - uint64_t current_num; - void *memory; - uint64_t align = CVMX_CACHE_LINE_SIZE; - - /* - * Align the allocation so that power of 2 size buffers are - * naturally aligned. - */ - while (align < buffer_size) - align = align << 1; - - if (buffers == 0) - return 0; - - current_num = cvmx_read_csr(CVMX_FPA_QUEX_AVAILABLE(pool)); - if (current_num) { - cvmx_dprintf("Fpa pool %d(%s) already has %llu buffers. " - "Skipping setup.\n", - pool, name, (unsigned long long)current_num); - return 0; - } - - memory = cvmx_bootmem_alloc(buffer_size * buffers, align); - if (memory == NULL) { - cvmx_dprintf("Out of memory initializing fpa pool %d(%s).\n", - pool, name); - return -1; - } - cvmx_fpa_setup_pool(pool, name, memory, buffer_size, buffers); - return 0; -} - -/** - * Allocate memory and initialize the FPA pools using memory - * from cvmx-bootmem. Specifying zero for the number of - * buffers will cause that FPA pool to not be setup. This is - * useful if you aren't using some of the hardware and want - * to save memory. Use cvmx_helper_initialize_fpa instead of - * this function directly. - * - * @pip_pool: Should always be CVMX_FPA_PACKET_POOL - * @pip_size: Should always be CVMX_FPA_PACKET_POOL_SIZE - * @pip_buffers: - * Number of packet buffers. - * @wqe_pool: Should always be CVMX_FPA_WQE_POOL - * @wqe_size: Should always be CVMX_FPA_WQE_POOL_SIZE - * @wqe_entries: - * Number of work queue entries - * @pko_pool: Should always be CVMX_FPA_OUTPUT_BUFFER_POOL - * @pko_size: Should always be CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE - * @pko_buffers: - * PKO Command buffers. You should at minimum have two per - * each PKO queue. - * @tim_pool: Should always be CVMX_FPA_TIMER_POOL - * @tim_size: Should always be CVMX_FPA_TIMER_POOL_SIZE - * @tim_buffers: - * TIM ring buffer command queues. At least two per timer bucket - * is recommened. - * @dfa_pool: Should always be CVMX_FPA_DFA_POOL - * @dfa_size: Should always be CVMX_FPA_DFA_POOL_SIZE - * @dfa_buffers: - * DFA command buffer. A relatively small (32 for example) - * number should work. - * Returns Zero on success, non-zero if out of memory - */ -static int __cvmx_helper_initialize_fpa(int pip_pool, int pip_size, - int pip_buffers, int wqe_pool, - int wqe_size, int wqe_entries, - int pko_pool, int pko_size, - int pko_buffers, int tim_pool, - int tim_size, int tim_buffers, - int dfa_pool, int dfa_size, - int dfa_buffers) -{ - int status; - - cvmx_fpa_enable(); - - if ((pip_buffers > 0) && (pip_buffers <= 64)) - cvmx_dprintf - ("Warning: %d packet buffers may not be enough for hardware" - " prefetch. 65 or more is recommended.\n", pip_buffers); - - if (pip_pool >= 0) { - status = - __cvmx_helper_initialize_fpa_pool(pip_pool, pip_size, - pip_buffers, - "Packet Buffers"); - if (status) - return status; - } - - if (wqe_pool >= 0) { - status = - __cvmx_helper_initialize_fpa_pool(wqe_pool, wqe_size, - wqe_entries, - "Work Queue Entries"); - if (status) - return status; - } - - if (pko_pool >= 0) { - status = - __cvmx_helper_initialize_fpa_pool(pko_pool, pko_size, - pko_buffers, - "PKO Command Buffers"); - if (status) - return status; - } - - if (tim_pool >= 0) { - status = - __cvmx_helper_initialize_fpa_pool(tim_pool, tim_size, - tim_buffers, - "TIM Command Buffers"); - if (status) - return status; - } - - if (dfa_pool >= 0) { - status = - __cvmx_helper_initialize_fpa_pool(dfa_pool, dfa_size, - dfa_buffers, - "DFA Command Buffers"); - if (status) - return status; - } - - return 0; -} - -/** - * Allocate memory and initialize the FPA pools using memory - * from cvmx-bootmem. Sizes of each element in the pools is - * controlled by the cvmx-config.h header file. Specifying - * zero for any parameter will cause that FPA pool to not be - * setup. This is useful if you aren't using some of the - * hardware and want to save memory. - * - * @packet_buffers: - * Number of packet buffers to allocate - * @work_queue_entries: - * Number of work queue entries - * @pko_buffers: - * PKO Command buffers. You should at minimum have two per - * each PKO queue. - * @tim_buffers: - * TIM ring buffer command queues. At least two per timer bucket - * is recommened. - * @dfa_buffers: - * DFA command buffer. A relatively small (32 for example) - * number should work. - * Returns Zero on success, non-zero if out of memory - */ -int cvmx_helper_initialize_fpa(int packet_buffers, int work_queue_entries, - int pko_buffers, int tim_buffers, - int dfa_buffers) -{ -#ifndef CVMX_FPA_PACKET_POOL -#define CVMX_FPA_PACKET_POOL -1 -#define CVMX_FPA_PACKET_POOL_SIZE 0 -#endif -#ifndef CVMX_FPA_WQE_POOL -#define CVMX_FPA_WQE_POOL -1 -#define CVMX_FPA_WQE_POOL_SIZE 0 -#endif -#ifndef CVMX_FPA_OUTPUT_BUFFER_POOL -#define CVMX_FPA_OUTPUT_BUFFER_POOL -1 -#define CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE 0 -#endif -#ifndef CVMX_FPA_TIMER_POOL -#define CVMX_FPA_TIMER_POOL -1 -#define CVMX_FPA_TIMER_POOL_SIZE 0 -#endif -#ifndef CVMX_FPA_DFA_POOL -#define CVMX_FPA_DFA_POOL -1 -#define CVMX_FPA_DFA_POOL_SIZE 0 -#endif - return __cvmx_helper_initialize_fpa(CVMX_FPA_PACKET_POOL, - CVMX_FPA_PACKET_POOL_SIZE, - packet_buffers, CVMX_FPA_WQE_POOL, - CVMX_FPA_WQE_POOL_SIZE, - work_queue_entries, - CVMX_FPA_OUTPUT_BUFFER_POOL, - CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE, - pko_buffers, CVMX_FPA_TIMER_POOL, - CVMX_FPA_TIMER_POOL_SIZE, - tim_buffers, CVMX_FPA_DFA_POOL, - CVMX_FPA_DFA_POOL_SIZE, - dfa_buffers); -} diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-jtag.c b/arch/mips/cavium-octeon/executive/cvmx-helper-jtag.c index c1c54890bae..607b4e65957 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-helper-jtag.c +++ b/arch/mips/cavium-octeon/executive/cvmx-helper-jtag.c @@ -79,10 +79,10 @@ void cvmx_helper_qlm_jtag_init(void) * @qlm: QLM to shift value into * @bits: Number of bits to shift in (1-32). * @data: Data to shift in. Bit 0 enters the chain first, followed by - * bit 1, etc. + * bit 1, etc. * * Returns The low order bits of the JTAG chain that shifted out of the - * circle. + * circle. */ uint32_t cvmx_helper_qlm_jtag_shift(int qlm, int bits, uint32_t data) { diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-rgmii.c b/arch/mips/cavium-octeon/executive/cvmx-helper-rgmii.c index 82b21843421..f59c88ee9b3 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-helper-rgmii.c +++ b/arch/mips/cavium-octeon/executive/cvmx-helper-rgmii.c @@ -131,7 +131,7 @@ void cvmx_helper_rgmii_internal_loopback(int port) * @interface: Interface to setup * @port: Port to setup (0..3) * @cpu_clock_hz: - * Chip frequency in Hertz + * Chip frequency in Hertz * * Returns Zero on success, negative on failure */ @@ -409,14 +409,14 @@ int __cvmx_helper_rgmii_link_set(int ipd_port, mode.u64 = cvmx_read_csr(CVMX_GMXX_INF_MODE(interface)); /* - * Port .en .type .p0mii Configuration - * ---- --- ----- ------ ----------------------------------------- - * X 0 X X All links are disabled. - * 0 1 X 0 Port 0 is RGMII - * 0 1 X 1 Port 0 is MII - * 1 1 0 X Ports 1 and 2 are configured as RGMII ports. - * 1 1 1 X Port 1: GMII/MII; Port 2: disabled. GMII or - * MII port is selected by GMX_PRT1_CFG[SPEED]. + * Port .en .type .p0mii Configuration + * ---- --- ----- ------ ----------------------------------------- + * X 0 X X All links are disabled. + * 0 1 X 0 Port 0 is RGMII + * 0 1 X 1 Port 0 is MII + * 1 1 0 X Ports 1 and 2 are configured as RGMII ports. + * 1 1 1 X Port 1: GMII/MII; Port 2: disabled. GMII or + * MII port is selected by GMX_PRT1_CFG[SPEED]. */ /* In MII mode, CLK_CNT = 1. */ @@ -464,9 +464,9 @@ int __cvmx_helper_rgmii_link_set(int ipd_port, * * @ipd_port: IPD/PKO port to loopback. * @enable_internal: - * Non zero if you want internal loopback + * Non zero if you want internal loopback * @enable_external: - * Non zero if you want external loopback + * Non zero if you want external loopback * * Returns Zero on success, negative on failure. */ diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-sgmii.c b/arch/mips/cavium-octeon/executive/cvmx-helper-sgmii.c index 0c0bf5d30e7..45f18cce31a 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-helper-sgmii.c +++ b/arch/mips/cavium-octeon/executive/cvmx-helper-sgmii.c @@ -523,9 +523,9 @@ int __cvmx_helper_sgmii_link_set(int ipd_port, * * @ipd_port: IPD/PKO port to loopback. * @enable_internal: - * Non zero if you want internal loopback + * Non zero if you want internal loopback * @enable_external: - * Non zero if you want external loopback + * Non zero if you want external loopback * * Returns Zero on success, negative on failure. */ diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-spi.c b/arch/mips/cavium-octeon/executive/cvmx-helper-spi.c index 2830e4bdf7f..1f3030c72d8 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-helper-spi.c +++ b/arch/mips/cavium-octeon/executive/cvmx-helper-spi.c @@ -160,16 +160,16 @@ cvmx_helper_link_info_t __cvmx_helper_spi_link_get(int ipd_port) result.s.link_up = inband.s.status; result.s.full_duplex = inband.s.duplex; switch (inband.s.speed) { - case 0: /* 10 Mbps */ + case 0: /* 10 Mbps */ result.s.speed = 10; break; - case 1: /* 100 Mbps */ + case 1: /* 100 Mbps */ result.s.speed = 100; break; - case 2: /* 1 Gbps */ + case 2: /* 1 Gbps */ result.s.speed = 1000; break; - case 3: /* Illegal */ + case 3: /* Illegal */ result.s.speed = 0; result.s.link_up = 0; break; diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-util.c b/arch/mips/cavium-octeon/executive/cvmx-helper-util.c index 116dea17acf..453d7f66459 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-helper-util.c +++ b/arch/mips/cavium-octeon/executive/cvmx-helper-util.c @@ -96,9 +96,9 @@ int cvmx_helper_dump_packet(cvmx_wqe_t *work) uint8_t *end_of_data; cvmx_dprintf("Packet Length: %u\n", work->len); - cvmx_dprintf(" Input Port: %u\n", work->ipprt); - cvmx_dprintf(" QoS: %u\n", work->qos); - cvmx_dprintf(" Buffers: %u\n", work->word2.s.bufs); + cvmx_dprintf(" Input Port: %u\n", work->ipprt); + cvmx_dprintf(" QoS: %u\n", work->qos); + cvmx_dprintf(" Buffers: %u\n", work->word2.s.bufs); if (work->word2.s.bufs == 0) { union cvmx_ipd_wqe_fpa_queue wqe_pool; @@ -132,14 +132,14 @@ int cvmx_helper_dump_packet(cvmx_wqe_t *work) while (remaining_bytes) { start_of_buffer = ((buffer_ptr.s.addr >> 7) - buffer_ptr.s.back) << 7; - cvmx_dprintf(" Buffer Start:%llx\n", + cvmx_dprintf(" Buffer Start:%llx\n", (unsigned long long)start_of_buffer); - cvmx_dprintf(" Buffer I : %u\n", buffer_ptr.s.i); - cvmx_dprintf(" Buffer Back: %u\n", buffer_ptr.s.back); - cvmx_dprintf(" Buffer Pool: %u\n", buffer_ptr.s.pool); - cvmx_dprintf(" Buffer Data: %llx\n", + cvmx_dprintf(" Buffer I : %u\n", buffer_ptr.s.i); + cvmx_dprintf(" Buffer Back: %u\n", buffer_ptr.s.back); + cvmx_dprintf(" Buffer Pool: %u\n", buffer_ptr.s.pool); + cvmx_dprintf(" Buffer Data: %llx\n", (unsigned long long)buffer_ptr.s.addr); - cvmx_dprintf(" Buffer Size: %u\n", buffer_ptr.s.size); + cvmx_dprintf(" Buffer Size: %u\n", buffer_ptr.s.size); cvmx_dprintf("\t\t"); data_address = (uint8_t *) cvmx_phys_to_ptr(buffer_ptr.s.addr); @@ -172,11 +172,11 @@ int cvmx_helper_dump_packet(cvmx_wqe_t *work) * * @queue: Input queue to setup RED on (0-7) * @pass_thresh: - * Packets will begin slowly dropping when there are less than - * this many packet buffers free in FPA 0. + * Packets will begin slowly dropping when there are less than + * this many packet buffers free in FPA 0. * @drop_thresh: - * All incomming packets will be dropped when there are less - * than this many free packet buffers in FPA 0. + * All incoming packets will be dropped when there are less + * than this many free packet buffers in FPA 0. * Returns Zero on success. Negative on failure */ int cvmx_helper_setup_red_queue(int queue, int pass_thresh, int drop_thresh) @@ -207,11 +207,11 @@ int cvmx_helper_setup_red_queue(int queue, int pass_thresh, int drop_thresh) * Setup Random Early Drop to automatically begin dropping packets. * * @pass_thresh: - * Packets will begin slowly dropping when there are less than - * this many packet buffers free in FPA 0. + * Packets will begin slowly dropping when there are less than + * this many packet buffers free in FPA 0. * @drop_thresh: - * All incomming packets will be dropped when there are less - * than this many free packet buffers in FPA 0. + * All incoming packets will be dropped when there are less + * than this many free packet buffers in FPA 0. * Returns Zero on success. Negative on failure */ int cvmx_helper_setup_red(int pass_thresh, int drop_thresh) @@ -251,6 +251,7 @@ int cvmx_helper_setup_red(int pass_thresh, int drop_thresh) return 0; } +EXPORT_SYMBOL_GPL(cvmx_helper_setup_red); /** * Setup the common GMX settings that determine the number of @@ -384,6 +385,7 @@ int cvmx_helper_get_ipd_port(int interface, int port) } return -1; } +EXPORT_SYMBOL_GPL(cvmx_helper_get_ipd_port); /** * Returns the interface number for an IPD/PKO port number. @@ -408,6 +410,7 @@ int cvmx_helper_get_interface_num(int ipd_port) return -1; } +EXPORT_SYMBOL_GPL(cvmx_helper_get_interface_num); /** * Returns the interface index number for an IPD/PKO port @@ -431,3 +434,4 @@ int cvmx_helper_get_interface_index_num(int ipd_port) return -1; } +EXPORT_SYMBOL_GPL(cvmx_helper_get_interface_index_num); diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-xaui.c b/arch/mips/cavium-octeon/executive/cvmx-helper-xaui.c index 1723248e987..7653b7e9219 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-helper-xaui.c +++ b/arch/mips/cavium-octeon/executive/cvmx-helper-xaui.c @@ -321,9 +321,9 @@ int __cvmx_helper_xaui_link_set(int ipd_port, cvmx_helper_link_info_t link_info) * * @ipd_port: IPD/PKO port to loopback. * @enable_internal: - * Non zero if you want internal loopback + * Non zero if you want internal loopback * @enable_external: - * Non zero if you want external loopback + * Non zero if you want external loopback * * Returns Zero on success, negative on failure. */ diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper.c b/arch/mips/cavium-octeon/executive/cvmx-helper.c index fa496385635..7e5cf7a5e2f 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-helper.c +++ b/arch/mips/cavium-octeon/executive/cvmx-helper.c @@ -67,7 +67,7 @@ void (*cvmx_override_pko_queue_priority) (int pko_port, void (*cvmx_override_ipd_port_setup) (int ipd_port); /* Port count per interface */ -static int interface_port_count[4] = { 0, 0, 0, 0 }; +static int interface_port_count[5]; /* Port last configured link info index by IPD/PKO port */ static cvmx_helper_link_info_t @@ -88,6 +88,7 @@ int cvmx_helper_get_number_of_interfaces(void) else return 3; } +EXPORT_SYMBOL_GPL(cvmx_helper_get_number_of_interfaces); /** * Return the number of ports on an interface. Depending on the @@ -102,6 +103,159 @@ int cvmx_helper_ports_on_interface(int interface) { return interface_port_count[interface]; } +EXPORT_SYMBOL_GPL(cvmx_helper_ports_on_interface); + +/** + * @INTERNAL + * Return interface mode for CN68xx. + */ +static cvmx_helper_interface_mode_t __cvmx_get_mode_cn68xx(int interface) +{ + union cvmx_mio_qlmx_cfg qlm_cfg; + switch (interface) { + case 0: + qlm_cfg.u64 = cvmx_read_csr(CVMX_MIO_QLMX_CFG(0)); + /* QLM is disabled when QLM SPD is 15. */ + if (qlm_cfg.s.qlm_spd == 15) + return CVMX_HELPER_INTERFACE_MODE_DISABLED; + + if (qlm_cfg.s.qlm_cfg == 2) + return CVMX_HELPER_INTERFACE_MODE_SGMII; + else if (qlm_cfg.s.qlm_cfg == 3) + return CVMX_HELPER_INTERFACE_MODE_XAUI; + else + return CVMX_HELPER_INTERFACE_MODE_DISABLED; + case 2: + case 3: + case 4: + qlm_cfg.u64 = cvmx_read_csr(CVMX_MIO_QLMX_CFG(interface)); + /* QLM is disabled when QLM SPD is 15. */ + if (qlm_cfg.s.qlm_spd == 15) + return CVMX_HELPER_INTERFACE_MODE_DISABLED; + + if (qlm_cfg.s.qlm_cfg == 2) + return CVMX_HELPER_INTERFACE_MODE_SGMII; + else if (qlm_cfg.s.qlm_cfg == 3) + return CVMX_HELPER_INTERFACE_MODE_XAUI; + else + return CVMX_HELPER_INTERFACE_MODE_DISABLED; + case 7: + qlm_cfg.u64 = cvmx_read_csr(CVMX_MIO_QLMX_CFG(3)); + /* QLM is disabled when QLM SPD is 15. */ + if (qlm_cfg.s.qlm_spd == 15) { + return CVMX_HELPER_INTERFACE_MODE_DISABLED; + } else if (qlm_cfg.s.qlm_cfg != 0) { + qlm_cfg.u64 = cvmx_read_csr(CVMX_MIO_QLMX_CFG(1)); + if (qlm_cfg.s.qlm_cfg != 0) + return CVMX_HELPER_INTERFACE_MODE_DISABLED; + } + return CVMX_HELPER_INTERFACE_MODE_NPI; + case 8: + return CVMX_HELPER_INTERFACE_MODE_LOOP; + default: + return CVMX_HELPER_INTERFACE_MODE_DISABLED; + } +} + +/** + * @INTERNAL + * Return interface mode for an Octeon II + */ +static cvmx_helper_interface_mode_t __cvmx_get_mode_octeon2(int interface) +{ + union cvmx_gmxx_inf_mode mode; + + if (OCTEON_IS_MODEL(OCTEON_CN68XX)) + return __cvmx_get_mode_cn68xx(interface); + + if (interface == 2) + return CVMX_HELPER_INTERFACE_MODE_NPI; + + if (interface == 3) + return CVMX_HELPER_INTERFACE_MODE_LOOP; + + /* Only present in CN63XX & CN66XX Octeon model */ + if ((OCTEON_IS_MODEL(OCTEON_CN63XX) && + (interface == 4 || interface == 5)) || + (OCTEON_IS_MODEL(OCTEON_CN66XX) && + interface >= 4 && interface <= 7)) { + return CVMX_HELPER_INTERFACE_MODE_DISABLED; + } + + if (OCTEON_IS_MODEL(OCTEON_CN66XX)) { + union cvmx_mio_qlmx_cfg mio_qlm_cfg; + + /* QLM2 is SGMII0 and QLM1 is SGMII1 */ + if (interface == 0) + mio_qlm_cfg.u64 = cvmx_read_csr(CVMX_MIO_QLMX_CFG(2)); + else if (interface == 1) + mio_qlm_cfg.u64 = cvmx_read_csr(CVMX_MIO_QLMX_CFG(1)); + else + return CVMX_HELPER_INTERFACE_MODE_DISABLED; + + if (mio_qlm_cfg.s.qlm_spd == 15) + return CVMX_HELPER_INTERFACE_MODE_DISABLED; + + if (mio_qlm_cfg.s.qlm_cfg == 9) + return CVMX_HELPER_INTERFACE_MODE_SGMII; + else if (mio_qlm_cfg.s.qlm_cfg == 11) + return CVMX_HELPER_INTERFACE_MODE_XAUI; + else + return CVMX_HELPER_INTERFACE_MODE_DISABLED; + } else if (OCTEON_IS_MODEL(OCTEON_CN61XX)) { + union cvmx_mio_qlmx_cfg qlm_cfg; + + if (interface == 0) { + qlm_cfg.u64 = cvmx_read_csr(CVMX_MIO_QLMX_CFG(2)); + if (qlm_cfg.s.qlm_cfg == 2) + return CVMX_HELPER_INTERFACE_MODE_SGMII; + else if (qlm_cfg.s.qlm_cfg == 3) + return CVMX_HELPER_INTERFACE_MODE_XAUI; + else + return CVMX_HELPER_INTERFACE_MODE_DISABLED; + } else if (interface == 1) { + qlm_cfg.u64 = cvmx_read_csr(CVMX_MIO_QLMX_CFG(0)); + if (qlm_cfg.s.qlm_cfg == 2) + return CVMX_HELPER_INTERFACE_MODE_SGMII; + else if (qlm_cfg.s.qlm_cfg == 3) + return CVMX_HELPER_INTERFACE_MODE_XAUI; + else + return CVMX_HELPER_INTERFACE_MODE_DISABLED; + } + } else if (OCTEON_IS_MODEL(OCTEON_CNF71XX)) { + if (interface == 0) { + union cvmx_mio_qlmx_cfg qlm_cfg; + qlm_cfg.u64 = cvmx_read_csr(CVMX_MIO_QLMX_CFG(0)); + if (qlm_cfg.s.qlm_cfg == 2) + return CVMX_HELPER_INTERFACE_MODE_SGMII; + } + return CVMX_HELPER_INTERFACE_MODE_DISABLED; + } + + if (interface == 1 && OCTEON_IS_MODEL(OCTEON_CN63XX)) + return CVMX_HELPER_INTERFACE_MODE_DISABLED; + + mode.u64 = cvmx_read_csr(CVMX_GMXX_INF_MODE(interface)); + + if (OCTEON_IS_MODEL(OCTEON_CN63XX)) { + switch (mode.cn63xx.mode) { + case 0: + return CVMX_HELPER_INTERFACE_MODE_SGMII; + case 1: + return CVMX_HELPER_INTERFACE_MODE_XAUI; + default: + return CVMX_HELPER_INTERFACE_MODE_DISABLED; + } + } else { + if (!mode.s.en) + return CVMX_HELPER_INTERFACE_MODE_DISABLED; + + if (mode.s.type) + return CVMX_HELPER_INTERFACE_MODE_GMII; + else + return CVMX_HELPER_INTERFACE_MODE_RGMII; + } +} /** * Get the operating mode of an interface. Depending on the Octeon @@ -111,11 +265,25 @@ int cvmx_helper_ports_on_interface(int interface) * @interface: Interface to probe * * Returns Mode of the interface. Unknown or unsupported interfaces return - * DISABLED. + * DISABLED. */ cvmx_helper_interface_mode_t cvmx_helper_interface_get_mode(int interface) { union cvmx_gmxx_inf_mode mode; + + if (interface < 0 || + interface >= cvmx_helper_get_number_of_interfaces()) + return CVMX_HELPER_INTERFACE_MODE_DISABLED; + + /* + * Octeon II models + */ + if (OCTEON_IS_MODEL(OCTEON_CN6XXX) || OCTEON_IS_MODEL(OCTEON_CNF71XX)) + return __cvmx_get_mode_octeon2(interface); + + /* + * Octeon and Octeon Plus models + */ if (interface == 2) return CVMX_HELPER_INTERFACE_MODE_NPI; @@ -179,6 +347,7 @@ cvmx_helper_interface_mode_t cvmx_helper_interface_get_mode(int interface) return CVMX_HELPER_INTERFACE_MODE_RGMII; } } +EXPORT_SYMBOL_GPL(cvmx_helper_interface_get_mode); /** * Configure the IPD/PIP tagging and QoS options for a specific @@ -187,7 +356,7 @@ cvmx_helper_interface_mode_t cvmx_helper_interface_get_mode(int interface) * the defines in executive-config.h. * * @ipd_port: Port to configure. This follows the IPD numbering, not the - * per interface numbering + * per interface numbering * * Returns Zero on success, negative on failure */ @@ -591,7 +760,7 @@ static int __cvmx_helper_packet_hardware_enable(int interface) * Function to adjust internal IPD pointer alignments * * Returns 0 on success - * !0 on failure + * !0 on failure */ int __cvmx_helper_errata_fix_ipd_ptr_alignment(void) { @@ -825,6 +994,7 @@ int cvmx_helper_ipd_and_packet_input_enable(void) __cvmx_helper_errata_fix_ipd_ptr_alignment(); return 0; } +EXPORT_SYMBOL_GPL(cvmx_helper_ipd_and_packet_input_enable); /** * Initialize the PIP, IPD, and PKO hardware to support @@ -903,6 +1073,7 @@ int cvmx_helper_initialize_packet_io_global(void) #endif return result; } +EXPORT_SYMBOL_GPL(cvmx_helper_initialize_packet_io_global); /** * Does core local initialization for packet io @@ -947,6 +1118,7 @@ cvmx_helper_link_info_t cvmx_helper_link_autoconf(int ipd_port) */ return port_link_info[ipd_port]; } +EXPORT_SYMBOL_GPL(cvmx_helper_link_autoconf); /** * Return the link state of an IPD/PKO port as returned by @@ -1005,6 +1177,7 @@ cvmx_helper_link_info_t cvmx_helper_link_get(int ipd_port) } return result; } +EXPORT_SYMBOL_GPL(cvmx_helper_link_get); /** * Configure an IPD/PKO port for the specified link state. This @@ -1060,6 +1233,7 @@ int cvmx_helper_link_set(int ipd_port, cvmx_helper_link_info_t link_info) port_link_info[ipd_port].u64 = link_info.u64; return result; } +EXPORT_SYMBOL_GPL(cvmx_helper_link_set); /** * Configure a port for internal and/or external loopback. Internal loopback @@ -1068,9 +1242,9 @@ int cvmx_helper_link_set(int ipd_port, cvmx_helper_link_info_t link_info) * * @ipd_port: IPD/PKO port to loopback. * @enable_internal: - * Non zero if you want internal loopback + * Non zero if you want internal loopback * @enable_external: - * Non zero if you want external loopback + * Non zero if you want external loopback * * Returns Zero on success, negative on failure. */ diff --git a/arch/mips/cavium-octeon/executive/cvmx-interrupt-rsl.c b/arch/mips/cavium-octeon/executive/cvmx-interrupt-rsl.c index bea7538ea4e..fa327ec891c 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-interrupt-rsl.c +++ b/arch/mips/cavium-octeon/executive/cvmx-interrupt-rsl.c @@ -85,11 +85,11 @@ void __cvmx_interrupt_gmxx_enable(int interface) if (OCTEON_IS_MODEL(OCTEON_CN56XX) || OCTEON_IS_MODEL(OCTEON_CN52XX)) { if (mode.s.en) { switch (mode.cn56xx.mode) { - case 1: /* XAUI */ + case 1: /* XAUI */ num_ports = 1; break; - case 2: /* SGMII */ - case 3: /* PICMG */ + case 2: /* SGMII */ + case 3: /* PICMG */ num_ports = 4; break; default: /* Disabled */ @@ -130,7 +130,7 @@ void __cvmx_interrupt_gmxx_enable(int interface) if (num_ports) { if (OCTEON_IS_MODEL(OCTEON_CN38XX) || OCTEON_IS_MODEL(OCTEON_CN58XX)) - gmx_tx_int_en.s.ncb_nxa = 1; + gmx_tx_int_en.cn38xx.ncb_nxa = 1; gmx_tx_int_en.s.pko_nxa = 1; } gmx_tx_int_en.s.undflw = (1 << num_ports) - 1; diff --git a/arch/mips/cavium-octeon/executive/cvmx-l2c.c b/arch/mips/cavium-octeon/executive/cvmx-l2c.c index d38246e33dd..42e38c30b54 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-l2c.c +++ b/arch/mips/cavium-octeon/executive/cvmx-l2c.c @@ -30,6 +30,8 @@ * measurement, and debugging facilities. */ +#include <linux/compiler.h> +#include <linux/irqflags.h> #include <asm/octeon/cvmx.h> #include <asm/octeon/cvmx-l2c.h> #include <asm/octeon/cvmx-spinlock.h> @@ -145,7 +147,7 @@ int cvmx_l2c_set_hw_way_partition(uint32_t mask) mask &= valid_mask; /* A UMSK setting which blocks all L2C Ways is an error on some chips */ - if (mask == valid_mask && !OCTEON_IS_MODEL(OCTEON_CN63XX)) + if (mask == valid_mask && !OCTEON_IS_MODEL(OCTEON_CN63XX)) return -1; if (OCTEON_IS_MODEL(OCTEON_CN63XX)) @@ -284,22 +286,22 @@ uint64_t cvmx_l2c_read_perf(uint32_t counter) */ static void fault_in(uint64_t addr, int len) { - volatile char *ptr; - volatile char dummy; + char *ptr; + /* * Adjust addr and length so we get all cache lines even for * small ranges spanning two cache lines. */ len += addr & CVMX_CACHE_LINE_MASK; addr &= ~CVMX_CACHE_LINE_MASK; - ptr = (volatile char *)cvmx_phys_to_ptr(addr); + ptr = cvmx_phys_to_ptr(addr); /* * Invalidate L1 cache to make sure all loads result in data * being in L2. */ CVMX_DCACHE_INVALIDATE; while (len > 0) { - dummy += *ptr; + ACCESS_ONCE(*ptr); len -= CVMX_CACHE_LINE_SIZE; ptr += CVMX_CACHE_LINE_SIZE; } @@ -436,7 +438,7 @@ void cvmx_l2c_flush(void) for (set = 0; set < n_set; set++) { for (assoc = 0; assoc < n_assoc; assoc++) { address = CVMX_ADD_SEG(CVMX_MIPS_SPACE_XKPHYS, - (assoc << assoc_shift) | (set << set_shift)); + (assoc << assoc_shift) | (set << set_shift)); CVMX_CACHE_WBIL2I(address, 0); } } @@ -571,8 +573,8 @@ union __cvmx_l2c_tag { * @index: Index of the cacheline * * Returns The Octeon model specific tag structure. This is - * translated by a wrapper function to a generic form that is - * easier for applications to use. + * translated by a wrapper function to a generic form that is + * easier for applications to use. */ static union __cvmx_l2c_tag __read_l2_tag(uint64_t assoc, uint64_t index) { @@ -616,12 +618,12 @@ static union __cvmx_l2c_tag __read_l2_tag(uint64_t assoc, uint64_t index) ".set push\n\t" ".set mips64\n\t" ".set noreorder\n\t" - "sd %[dbg_val], 0(%[dbg_addr])\n\t" /* Enter debug mode, wait for store */ + "sd %[dbg_val], 0(%[dbg_addr])\n\t" /* Enter debug mode, wait for store */ "ld $0, 0(%[dbg_addr])\n\t" - "ld %[tag_val], 0(%[tag_addr])\n\t" /* Read L2C tag data */ - "sd $0, 0(%[dbg_addr])\n\t" /* Exit debug mode, wait for store */ + "ld %[tag_val], 0(%[tag_addr])\n\t" /* Read L2C tag data */ + "sd $0, 0(%[dbg_addr])\n\t" /* Exit debug mode, wait for store */ "ld $0, 0(%[dbg_addr])\n\t" - "cache 9, 0($0)\n\t" /* Invalidate dcache to discard debug data */ + "cache 9, 0($0)\n\t" /* Invalidate dcache to discard debug data */ ".set pop" : [tag_val] "=r" (tag_val) : [dbg_addr] "r" (dbg_addr), [dbg_val] "r" (debug_val), [tag_addr] "r" (debug_tag_addr) @@ -662,10 +664,10 @@ union cvmx_l2c_tag cvmx_l2c_get_tag(uint32_t association, uint32_t index) CVMX_SYNC; /* make sure CVMX_L2C_TADX_TAG is updated */ l2c_tadx_tag.u64 = cvmx_read_csr(CVMX_L2C_TADX_TAG(0)); - tag.s.V = l2c_tadx_tag.s.valid; - tag.s.D = l2c_tadx_tag.s.dirty; - tag.s.L = l2c_tadx_tag.s.lock; - tag.s.U = l2c_tadx_tag.s.use; + tag.s.V = l2c_tadx_tag.s.valid; + tag.s.D = l2c_tadx_tag.s.dirty; + tag.s.L = l2c_tadx_tag.s.lock; + tag.s.U = l2c_tadx_tag.s.use; tag.s.addr = l2c_tadx_tag.s.tag; } else { union __cvmx_l2c_tag tmp_tag; @@ -677,34 +679,34 @@ union cvmx_l2c_tag cvmx_l2c_get_tag(uint32_t association, uint32_t index) * as it can represent all models. */ if (OCTEON_IS_MODEL(OCTEON_CN58XX) || OCTEON_IS_MODEL(OCTEON_CN56XX)) { - tag.s.V = tmp_tag.cn58xx.V; - tag.s.D = tmp_tag.cn58xx.D; - tag.s.L = tmp_tag.cn58xx.L; - tag.s.U = tmp_tag.cn58xx.U; + tag.s.V = tmp_tag.cn58xx.V; + tag.s.D = tmp_tag.cn58xx.D; + tag.s.L = tmp_tag.cn58xx.L; + tag.s.U = tmp_tag.cn58xx.U; tag.s.addr = tmp_tag.cn58xx.addr; } else if (OCTEON_IS_MODEL(OCTEON_CN38XX)) { - tag.s.V = tmp_tag.cn38xx.V; - tag.s.D = tmp_tag.cn38xx.D; - tag.s.L = tmp_tag.cn38xx.L; - tag.s.U = tmp_tag.cn38xx.U; + tag.s.V = tmp_tag.cn38xx.V; + tag.s.D = tmp_tag.cn38xx.D; + tag.s.L = tmp_tag.cn38xx.L; + tag.s.U = tmp_tag.cn38xx.U; tag.s.addr = tmp_tag.cn38xx.addr; } else if (OCTEON_IS_MODEL(OCTEON_CN31XX) || OCTEON_IS_MODEL(OCTEON_CN52XX)) { - tag.s.V = tmp_tag.cn31xx.V; - tag.s.D = tmp_tag.cn31xx.D; - tag.s.L = tmp_tag.cn31xx.L; - tag.s.U = tmp_tag.cn31xx.U; + tag.s.V = tmp_tag.cn31xx.V; + tag.s.D = tmp_tag.cn31xx.D; + tag.s.L = tmp_tag.cn31xx.L; + tag.s.U = tmp_tag.cn31xx.U; tag.s.addr = tmp_tag.cn31xx.addr; } else if (OCTEON_IS_MODEL(OCTEON_CN30XX)) { - tag.s.V = tmp_tag.cn30xx.V; - tag.s.D = tmp_tag.cn30xx.D; - tag.s.L = tmp_tag.cn30xx.L; - tag.s.U = tmp_tag.cn30xx.U; + tag.s.V = tmp_tag.cn30xx.V; + tag.s.D = tmp_tag.cn30xx.D; + tag.s.L = tmp_tag.cn30xx.L; + tag.s.U = tmp_tag.cn30xx.U; tag.s.addr = tmp_tag.cn30xx.addr; } else if (OCTEON_IS_MODEL(OCTEON_CN50XX)) { - tag.s.V = tmp_tag.cn50xx.V; - tag.s.D = tmp_tag.cn50xx.D; - tag.s.L = tmp_tag.cn50xx.L; - tag.s.U = tmp_tag.cn50xx.U; + tag.s.V = tmp_tag.cn50xx.V; + tag.s.D = tmp_tag.cn50xx.D; + tag.s.L = tmp_tag.cn50xx.L; + tag.s.U = tmp_tag.cn50xx.U; tag.s.addr = tmp_tag.cn50xx.addr; } else { cvmx_dprintf("Unsupported OCTEON Model in %s\n", __func__); @@ -863,7 +865,7 @@ void cvmx_l2c_flush_line(uint32_t assoc, uint32_t index) uint64_t address; /* Create the address based on index and association. * Bits<20:17> select the way of the cache block involved in - * the operation + * the operation * Bits<16:7> of the effect address select the index */ address = CVMX_ADD_SEG(CVMX_MIPS_SPACE_XKPHYS, diff --git a/arch/mips/cavium-octeon/executive/cvmx-pko.c b/arch/mips/cavium-octeon/executive/cvmx-pko.c index f557084b109..008b881cdf6 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-pko.c +++ b/arch/mips/cavium-octeon/executive/cvmx-pko.c @@ -99,7 +99,7 @@ void cvmx_pko_initialize_global(void) * be called after the FPA has been initialized and filled with pages. * * Returns 0 on success - * !0 on failure + * !0 on failure */ int cvmx_pko_initialize_local(void) { @@ -140,7 +140,7 @@ void cvmx_pko_disable(void) pko_reg_flags.s.ena_pko = 0; cvmx_write_csr(CVMX_PKO_REG_FLAGS, pko_reg_flags.u64); } - +EXPORT_SYMBOL_GPL(cvmx_pko_disable); /** * Reset the packet output. @@ -182,23 +182,24 @@ void cvmx_pko_shutdown(void) } __cvmx_pko_reset(); } +EXPORT_SYMBOL_GPL(cvmx_pko_shutdown); /** * Configure a output port and the associated queues for use. * - * @port: Port to configure. + * @port: Port to configure. * @base_queue: First queue number to associate with this port. * @num_queues: Number of queues to associate with this port - * @priority: Array of priority levels for each queue. Values are - * allowed to be 0-8. A value of 8 get 8 times the traffic - * of a value of 1. A value of 0 indicates that no rounds - * will be participated in. These priorities can be changed - * on the fly while the pko is enabled. A priority of 9 - * indicates that static priority should be used. If static - * priority is used all queues with static priority must be - * contiguous starting at the base_queue, and lower numbered - * queues have higher priority than higher numbered queues. - * There must be num_queues elements in the array. + * @priority: Array of priority levels for each queue. Values are + * allowed to be 0-8. A value of 8 get 8 times the traffic + * of a value of 1. A value of 0 indicates that no rounds + * will be participated in. These priorities can be changed + * on the fly while the pko is enabled. A priority of 9 + * indicates that static priority should be used. If static + * priority is used all queues with static priority must be + * contiguous starting at the base_queue, and lower numbered + * queues have higher priority than higher numbered queues. + * There must be num_queues elements in the array. */ cvmx_pko_status_t cvmx_pko_config_port(uint64_t port, uint64_t base_queue, uint64_t num_queues, @@ -440,7 +441,7 @@ void cvmx_pko_show_queue_map() * @port: Port to rate limit * @packets_s: Maximum packet/sec * @burst: Maximum number of packets to burst in a row before rate - * limiting cuts in. + * limiting cuts in. * * Returns Zero on success, negative on failure */ @@ -473,7 +474,7 @@ int cvmx_pko_rate_limit_packets(int port, int packets_s, int burst) * @port: Port to rate limit * @bits_s: PKO rate limit in bits/sec * @burst: Maximum number of bits to burst before rate - * limiting cuts in. + * limiting cuts in. * * Returns Zero on success, negative on failure */ diff --git a/arch/mips/cavium-octeon/executive/cvmx-spi.c b/arch/mips/cavium-octeon/executive/cvmx-spi.c index 74afb1710cd..459e3b1eb61 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-spi.c +++ b/arch/mips/cavium-octeon/executive/cvmx-spi.c @@ -69,7 +69,7 @@ static cvmx_spi_callbacks_t cvmx_spi_callbacks = { /** * Get current SPI4 initialization callbacks * - * @callbacks: Pointer to the callbacks structure.to fill + * @callbacks: Pointer to the callbacks structure.to fill * * Returns Pointer to cvmx_spi_callbacks_t structure. */ @@ -92,11 +92,11 @@ void cvmx_spi_set_callbacks(cvmx_spi_callbacks_t *new_callbacks) * Initialize and start the SPI interface. * * @interface: The identifier of the packet interface to configure and - * use as a SPI interface. + * use as a SPI interface. * @mode: The operating mode for the SPI interface. The interface - * can operate as a full duplex (both Tx and Rx data paths - * active) or as a halfplex (either the Tx data path is - * active or the Rx data path is active, but not both). + * can operate as a full duplex (both Tx and Rx data paths + * active) or as a halfplex (either the Tx data path is + * active or the Rx data path is active, but not both). * @timeout: Timeout to wait for clock synchronization in seconds * @num_ports: Number of SPI ports to configure * @@ -138,11 +138,11 @@ int cvmx_spi_start_interface(int interface, cvmx_spi_mode_t mode, int timeout, * with its correspondent system. * * @interface: The identifier of the packet interface to configure and - * use as a SPI interface. + * use as a SPI interface. * @mode: The operating mode for the SPI interface. The interface - * can operate as a full duplex (both Tx and Rx data paths - * active) or as a halfplex (either the Tx data path is - * active or the Rx data path is active, but not both). + * can operate as a full duplex (both Tx and Rx data paths + * active) or as a halfplex (either the Tx data path is + * active or the Rx data path is active, but not both). * @timeout: Timeout to wait for clock synchronization in seconds * * Returns Zero on success, negative of failure. @@ -160,7 +160,7 @@ int cvmx_spi_restart_interface(int interface, cvmx_spi_mode_t mode, int timeout) INVOKE_CB(cvmx_spi_callbacks.reset_cb, interface, mode); /* NOTE: Calendar setup is not performed during restart */ - /* Refer to cvmx_spi_start_interface() for the full sequence */ + /* Refer to cvmx_spi_start_interface() for the full sequence */ /* Callback to perform clock detection */ INVOKE_CB(cvmx_spi_callbacks.clock_detect_cb, interface, mode, timeout); @@ -177,16 +177,17 @@ int cvmx_spi_restart_interface(int interface, cvmx_spi_mode_t mode, int timeout) return res; } +EXPORT_SYMBOL_GPL(cvmx_spi_restart_interface); /** * Callback to perform SPI4 reset * * @interface: The identifier of the packet interface to configure and - * use as a SPI interface. + * use as a SPI interface. * @mode: The operating mode for the SPI interface. The interface - * can operate as a full duplex (both Tx and Rx data paths - * active) or as a halfplex (either the Tx data path is - * active or the Rx data path is active, but not both). + * can operate as a full duplex (both Tx and Rx data paths + * active) or as a halfplex (either the Tx data path is + * active or the Rx data path is active, but not both). * * Returns Zero on success, non-zero error code on failure (will cause * SPI initialization to abort) @@ -297,11 +298,11 @@ int cvmx_spi_reset_cb(int interface, cvmx_spi_mode_t mode) * Callback to setup calendar and miscellaneous settings before clock detection * * @interface: The identifier of the packet interface to configure and - * use as a SPI interface. + * use as a SPI interface. * @mode: The operating mode for the SPI interface. The interface - * can operate as a full duplex (both Tx and Rx data paths - * active) or as a halfplex (either the Tx data path is - * active or the Rx data path is active, but not both). + * can operate as a full duplex (both Tx and Rx data paths + * active) or as a halfplex (either the Tx data path is + * active or the Rx data path is active, but not both). * @num_ports: Number of ports to configure on SPI * * Returns Zero on success, non-zero error code on failure (will cause @@ -382,7 +383,7 @@ int cvmx_spi_calendar_setup_cb(int interface, cvmx_spi_mode_t mode, stxx_spi4_dat.u64 = 0; /*Minimum needed by dynamic alignment */ stxx_spi4_dat.s.alpha = 32; - stxx_spi4_dat.s.max_t = 0xFFFF; /*Minimum interval is 0x20 */ + stxx_spi4_dat.s.max_t = 0xFFFF; /*Minimum interval is 0x20 */ cvmx_write_csr(CVMX_STXX_SPI4_DAT(interface), stxx_spi4_dat.u64); @@ -416,11 +417,11 @@ int cvmx_spi_calendar_setup_cb(int interface, cvmx_spi_mode_t mode, * Callback to perform clock detection * * @interface: The identifier of the packet interface to configure and - * use as a SPI interface. + * use as a SPI interface. * @mode: The operating mode for the SPI interface. The interface - * can operate as a full duplex (both Tx and Rx data paths - * active) or as a halfplex (either the Tx data path is - * active or the Rx data path is active, but not both). + * can operate as a full duplex (both Tx and Rx data paths + * active) or as a halfplex (either the Tx data path is + * active or the Rx data path is active, but not both). * @timeout: Timeout to wait for clock synchronization in seconds * * Returns Zero on success, non-zero error code on failure (will cause @@ -494,11 +495,11 @@ int cvmx_spi_clock_detect_cb(int interface, cvmx_spi_mode_t mode, int timeout) * Callback to perform link training * * @interface: The identifier of the packet interface to configure and - * use as a SPI interface. + * use as a SPI interface. * @mode: The operating mode for the SPI interface. The interface - * can operate as a full duplex (both Tx and Rx data paths - * active) or as a halfplex (either the Tx data path is - * active or the Rx data path is active, but not both). + * can operate as a full duplex (both Tx and Rx data paths + * active) or as a halfplex (either the Tx data path is + * active or the Rx data path is active, but not both). * @timeout: Timeout to wait for link to be trained (in seconds) * * Returns Zero on success, non-zero error code on failure (will cause @@ -563,11 +564,11 @@ int cvmx_spi_training_cb(int interface, cvmx_spi_mode_t mode, int timeout) * Callback to perform calendar data synchronization * * @interface: The identifier of the packet interface to configure and - * use as a SPI interface. + * use as a SPI interface. * @mode: The operating mode for the SPI interface. The interface - * can operate as a full duplex (both Tx and Rx data paths - * active) or as a halfplex (either the Tx data path is - * active or the Rx data path is active, but not both). + * can operate as a full duplex (both Tx and Rx data paths + * active) or as a halfplex (either the Tx data path is + * active or the Rx data path is active, but not both). * @timeout: Timeout to wait for calendar data in seconds * * Returns Zero on success, non-zero error code on failure (will cause @@ -620,11 +621,11 @@ int cvmx_spi_calendar_sync_cb(int interface, cvmx_spi_mode_t mode, int timeout) * Callback to handle interface up * * @interface: The identifier of the packet interface to configure and - * use as a SPI interface. + * use as a SPI interface. * @mode: The operating mode for the SPI interface. The interface - * can operate as a full duplex (both Tx and Rx data paths - * active) or as a halfplex (either the Tx data path is - * active or the Rx data path is active, but not both). + * can operate as a full duplex (both Tx and Rx data paths + * active) or as a halfplex (either the Tx data path is + * active or the Rx data path is active, but not both). * * Returns Zero on success, non-zero error code on failure (will cause * SPI initialization to abort) diff --git a/arch/mips/cavium-octeon/executive/cvmx-sysinfo.c b/arch/mips/cavium-octeon/executive/cvmx-sysinfo.c index 8b18a20cc7b..3d17fac2935 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-sysinfo.c +++ b/arch/mips/cavium-octeon/executive/cvmx-sysinfo.c @@ -74,26 +74,26 @@ EXPORT_SYMBOL(cvmx_sysinfo_get); /** * This function is used in non-simple executive environments (such as - * Linux kernel, u-boot, etc.) to configure the minimal fields that + * Linux kernel, u-boot, etc.) to configure the minimal fields that * are required to use simple executive files directly. * * Locking (if required) must be handled outside of this * function * * @phy_mem_desc_ptr: - * Pointer to global physical memory descriptor - * (bootmem descriptor) @board_type: Octeon board - * type enumeration + * Pointer to global physical memory descriptor + * (bootmem descriptor) @board_type: Octeon board + * type enumeration * * @board_rev_major: - * Board major revision + * Board major revision * @board_rev_minor: - * Board minor revision + * Board minor revision * @cpu_clock_hz: - * CPU clock freqency in hertz + * CPU clock freqency in hertz * * Returns 0: Failure - * 1: success + * 1: success */ int cvmx_sysinfo_minimal_initialize(void *phy_mem_desc_ptr, uint16_t board_type, |