Mirrors/u-boot
2
0
Fork 0
mirror of https://github.com/AsahiLinux/u-boot synced 2024-12-21 02:33:07 +00:00
Code Issues Projects Releases Packages Wiki Activity
u-boot/arch/mips/mach-octeon/cvmx-pko.c

789 lines
21 KiB
C
Raw Normal View History

mips: octeon: Add cvmx-pko.c Import cvmx-pko.c from 2013 U-Boot. It will be used by the later added drivers to support networking on the MIPS Octeon II / III platforms. Signed-off-by: Aaron Williams <awilliams@marvell.com> Signed-off-by: Stefan Roese <sr@denx.de>
2022-04-07 07:11:36 +00:00
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2018-2022 Marvell International Ltd.
*
* Support library for the hardware Packet Output unit.
*/
#include <errno.h>
#include <log.h>
#include <time.h>
#include <linux/delay.h>
#include <mach/cvmx-regs.h>
#include <mach/cvmx-csr.h>
#include <mach/cvmx-bootmem.h>
#include <mach/octeon-model.h>
#include <mach/cvmx-fuse.h>
#include <mach/octeon-feature.h>
#include <mach/cvmx-qlm.h>
#include <mach/octeon_qlm.h>
#include <mach/cvmx-pcie.h>
#include <mach/cvmx-coremask.h>
#include <mach/cvmx-agl-defs.h>
#include <mach/cvmx-bgxx-defs.h>
#include <mach/cvmx-ciu-defs.h>
#include <mach/cvmx-gmxx-defs.h>
#include <mach/cvmx-gserx-defs.h>
#include <mach/cvmx-ilk-defs.h>
#include <mach/cvmx-iob-defs.h>
#include <mach/cvmx-ipd-defs.h>
#include <mach/cvmx-pcsx-defs.h>
#include <mach/cvmx-pcsxx-defs.h>
#include <mach/cvmx-pki-defs.h>
#include <mach/cvmx-pko-defs.h>
#include <mach/cvmx-xcv-defs.h>
#include <mach/cvmx-hwpko.h>
#include <mach/cvmx-ilk.h>
#include <mach/cvmx-pki.h>
#include <mach/cvmx-pko3.h>
#include <mach/cvmx-pko3-queue.h>
#include <mach/cvmx-pko3-resources.h>
#include <mach/cvmx-helper.h>
#include <mach/cvmx-helper-board.h>
#include <mach/cvmx-helper-cfg.h>
#include <mach/cvmx-helper-bgx.h>
#include <mach/cvmx-helper-cfg.h>
#include <mach/cvmx-helper-util.h>
#include <mach/cvmx-helper-pki.h>
#include <mach/cvmx-helper-pko.h>
DECLARE_GLOBAL_DATA_PTR;
#define CVMX_PKO_NQ_PER_PORT_MAX 32
static cvmx_pko_return_value_t cvmx_pko2_config_port(short ipd_port,
int base_queue,
int num_queues,
const u8 priority[]);
static const int debug;
/**
* Internal state of packet output
*/
/*
* PKO port iterator
* XXX this macro only works for 68XX
*/
#define pko_for_each_port(__p) \
for (__p = 0; __p < CVMX_HELPER_CFG_MAX_PKO_PORT; __p++) \
if (__cvmx_helper_cfg_pko_queue_base(__p) != \
CVMX_HELPER_CFG_INVALID_VALUE)
/*
* @INTERNAL
*
* Get INT for a port
*
* @param interface
* @param index
* @return the INT value on success and -1 on error
*
* This function is only for CN68XX.
*/
static int __cvmx_pko_int(int interface, int index)
{
cvmx_helper_cfg_assert(interface < CVMX_HELPER_MAX_IFACE);
cvmx_helper_cfg_assert(index >= 0);
switch (interface) {
case 0:
cvmx_helper_cfg_assert(index < 4);
return index;
case 1:
cvmx_helper_cfg_assert(index == 0);
return 4;
case 2:
cvmx_helper_cfg_assert(index < 4);
return index + 8;
case 3:
cvmx_helper_cfg_assert(index < 4);
return index + 0xC;
case 4:
cvmx_helper_cfg_assert(index < 4);
return index + 0x10;
case 5:
cvmx_helper_cfg_assert(index < 256);
return 0x1C;
case 6:
cvmx_helper_cfg_assert(index < 256);
return 0x1D;
case 7:
cvmx_helper_cfg_assert(index < 32);
return 0x1E;
case 8:
cvmx_helper_cfg_assert(index < 8);
return 0x1F;
}
return -1;
}
int cvmx_pko_get_base_pko_port(int interface, int index)
{
if (octeon_has_feature(OCTEON_FEATURE_CN78XX_WQE))
return cvmx_helper_get_ipd_port(interface, index);
else if (octeon_has_feature(OCTEON_FEATURE_PKND))
return __cvmx_helper_cfg_pko_port_base(interface, index);
else
return cvmx_helper_get_ipd_port(interface, index);
}
int cvmx_pko_get_base_queue(int port)
{
if (octeon_has_feature(OCTEON_FEATURE_CN78XX_WQE)) {
return cvmx_pko3_get_queue_base(port);
} else if (octeon_has_feature(OCTEON_FEATURE_PKND)) {
return __cvmx_helper_cfg_pko_queue_base(
cvmx_helper_cfg_ipd2pko_port_base(port));
} else {
if (port < 48)
return cvmx_pko_queue_table[port].ccppp_queue_base;
else
return CVMX_PKO_ILLEGAL_QUEUE;
}
}
int cvmx_pko_get_num_queues(int port)
{
if (octeon_has_feature(OCTEON_FEATURE_CN78XX_WQE)) {
return cvmx_pko3_get_queue_num(port);
} else if (octeon_has_feature(OCTEON_FEATURE_PKND)) {
return __cvmx_helper_cfg_pko_queue_num(
cvmx_helper_cfg_ipd2pko_port_base(port));
} else {
if (port < 48)
return cvmx_pko_queue_table[port].ccppp_num_queues;
}
return 0;
}
/*
* Allocate memory for PKO engines.
*
* @param engine is the PKO engine ID.
* @return # of 2KB-chunks allocated to this PKO engine.
*/
static int __cvmx_pko_memory_per_engine_o68(int engine)
{
/* CN68XX has 40KB to devide between the engines in 2KB chunks */
int max_engine;
int size_per_engine;
int size;
max_engine = __cvmx_helper_cfg_pko_max_engine();
size_per_engine = 40 / 2 / max_engine;
if (engine >= max_engine)
/* Unused engines get no space */
size = 0;
else if (engine == max_engine - 1)
/*
* The last engine gets all the space lost by rounding. This means
* the ILK gets the most space
*/
size = 40 / 2 - engine * size_per_engine;
else
/* All other engines get the same space */
size = size_per_engine;
return size;
}
/*
* Setup one-to-one mapping between PKO2 iport and eport.
* @INTERNAL
*/
static void __cvmx_pko2_chip_init(void)
{
int i;
int interface, index, port;
cvmx_helper_interface_mode_t mode;
union cvmx_pko_mem_iport_ptrs config;
/*
* Initialize every iport with the invalid eid.
*/
#define CVMX_O68_PKO2_INVALID_EID 31
config.u64 = 0;
config.s.eid = CVMX_O68_PKO2_INVALID_EID;
for (i = 0; i < CVMX_HELPER_CFG_MAX_PKO_PORT; i++) {
config.s.ipid = i;
csr_wr(CVMX_PKO_MEM_IPORT_PTRS, config.u64);
}
/*
* Set up PKO_MEM_IPORT_PTRS
*/
pko_for_each_port(port) {
interface = __cvmx_helper_cfg_pko_port_interface(port);
index = __cvmx_helper_cfg_pko_port_index(port);
mode = cvmx_helper_interface_get_mode(interface);
if (mode == CVMX_HELPER_INTERFACE_MODE_DISABLED)
continue;
config.s.ipid = port;
config.s.qos_mask = 0xff;
config.s.crc = __cvmx_helper_get_has_fcs(interface);
config.s.min_pkt = __cvmx_helper_get_pko_padding(interface);
config.s.intr = __cvmx_pko_int(interface, index);
config.s.eid = __cvmx_helper_cfg_pko_port_eid(port);
config.s.pipe = (mode == CVMX_HELPER_INTERFACE_MODE_LOOP) ?
index :
port;
csr_wr(CVMX_PKO_MEM_IPORT_PTRS, config.u64);
}
}
int __cvmx_pko_get_pipe(int interface, int index)
{
/* The loopback ports do not have pipes */
if (cvmx_helper_interface_get_mode(interface) ==
CVMX_HELPER_INTERFACE_MODE_LOOP)
return -1;
/* We use pko_port as the pipe. See __cvmx_pko_port_map_o68(). */
return cvmx_helper_get_pko_port(interface, index);
}
static void __cvmx_pko1_chip_init(void)
{
int queue;
union cvmx_pko_mem_queue_ptrs config;
union cvmx_pko_reg_queue_ptrs1 config1;
const int port = CVMX_PKO_MEM_QUEUE_PTRS_ILLEGAL_PID;
/* Initialize all queues to connect to port 63 (ILLEGAL_PID) */
for (queue = 0; queue < CVMX_PKO_MAX_OUTPUT_QUEUES; queue++) {
config1.u64 = 0;
config1.s.idx3 = 0;
config1.s.qid7 = queue >> 7;
config.u64 = 0;
config.s.tail = 1;
config.s.index = 0;
config.s.port = port;
config.s.queue = queue;
config.s.buf_ptr = 0;
csr_wr(CVMX_PKO_REG_QUEUE_PTRS1, config1.u64);
csr_wr(CVMX_PKO_MEM_QUEUE_PTRS, config.u64);
}
}
/**
* Call before any other calls to initialize the packet
* output system. This does chip global config, and should only be
* done by one core.
*/
void cvmx_pko_hw_init(u8 pool, unsigned int bufsize)
{
union cvmx_pko_reg_cmd_buf config;
union cvmx_iob_fau_timeout fau_to;
int i;
if (debug)
debug("%s: pool=%u bufsz=%u\n", __func__, pool, bufsize);
/* chip-specific setup. */
if (OCTEON_IS_MODEL(OCTEON_CN68XX))
__cvmx_pko2_chip_init();
else
__cvmx_pko1_chip_init();
/*
* Set the size of the PKO command buffers to an odd number of
* 64bit words. This allows the normal two word send to stay
* aligned and never span a command word buffer.
*/
config.u64 = 0;
config.s.pool = pool;
config.s.size = bufsize / 8 - 1;
csr_wr(CVMX_PKO_REG_CMD_BUF, config.u64);
/*
* Disable tagwait FAU timeout. This needs to be done before
* anyone might start packet output using tags.
*/
fau_to.u64 = 0;
fau_to.s.tout_val = 0xfff;
fau_to.s.tout_enb = 0;
csr_wr(CVMX_IOB_FAU_TIMEOUT, fau_to.u64);
if (OCTEON_IS_MODEL(OCTEON_CN68XX)) {
union cvmx_pko_reg_min_pkt min_pkt;
min_pkt.u64 = 0;
min_pkt.s.size1 = 59;
min_pkt.s.size2 = 59;
min_pkt.s.size3 = 59;
min_pkt.s.size4 = 59;
min_pkt.s.size5 = 59;
min_pkt.s.size6 = 59;
min_pkt.s.size7 = 59;
csr_wr(CVMX_PKO_REG_MIN_PKT, min_pkt.u64);
}
/*
* If we aren't using all of the queues optimize PKO's
* internal memory.
*/
if (OCTEON_IS_OCTEON2() || OCTEON_IS_MODEL(OCTEON_CN70XX)) {
int max_queues = __cvmx_helper_cfg_pko_max_queue();
if (OCTEON_IS_MODEL(OCTEON_CN68XX) && max_queues <= 32)
csr_wr(CVMX_PKO_REG_QUEUE_MODE, 3);
else if (max_queues <= 64)
csr_wr(CVMX_PKO_REG_QUEUE_MODE, 2);
else if (max_queues <= 128)
csr_wr(CVMX_PKO_REG_QUEUE_MODE, 1);
else
csr_wr(CVMX_PKO_REG_QUEUE_MODE, 0);
if (OCTEON_IS_MODEL(OCTEON_CN68XX)) {
for (i = 0; i < 2; i++) {
union cvmx_pko_reg_engine_storagex
engine_storage;
#define PKO_ASSIGN_ENGINE_STORAGE(index) \
engine_storage.s.engine##index = \
__cvmx_pko_memory_per_engine_o68(16 * i + (index))
engine_storage.u64 = 0;
PKO_ASSIGN_ENGINE_STORAGE(0);
PKO_ASSIGN_ENGINE_STORAGE(1);
PKO_ASSIGN_ENGINE_STORAGE(2);
PKO_ASSIGN_ENGINE_STORAGE(3);
PKO_ASSIGN_ENGINE_STORAGE(4);
PKO_ASSIGN_ENGINE_STORAGE(5);
PKO_ASSIGN_ENGINE_STORAGE(6);
PKO_ASSIGN_ENGINE_STORAGE(7);
PKO_ASSIGN_ENGINE_STORAGE(8);
PKO_ASSIGN_ENGINE_STORAGE(9);
PKO_ASSIGN_ENGINE_STORAGE(10);
PKO_ASSIGN_ENGINE_STORAGE(11);
PKO_ASSIGN_ENGINE_STORAGE(12);
PKO_ASSIGN_ENGINE_STORAGE(13);
PKO_ASSIGN_ENGINE_STORAGE(14);
PKO_ASSIGN_ENGINE_STORAGE(15);
csr_wr(CVMX_PKO_REG_ENGINE_STORAGEX(i),
engine_storage.u64);
}
}
}
}
/**
* Enables the packet output hardware. It must already be
* configured.
*/
void cvmx_pko_enable(void)
{
union cvmx_pko_reg_flags flags;
flags.u64 = csr_rd(CVMX_PKO_REG_FLAGS);
if (flags.s.ena_pko)
debug("Warning: Enabling PKO when PKO already enabled.\n");
flags.s.ena_dwb = cvmx_helper_cfg_opt_get(CVMX_HELPER_CFG_OPT_USE_DWB);
flags.s.ena_pko = 1;
/*
* always enable big endian for 3-word command. Does nothing
* for 2-word.
*/
flags.s.store_be = 1;
csr_wr(CVMX_PKO_REG_FLAGS, flags.u64);
}
/**
* Configure a output port and the associated queues for use.
*
* @param port Port to configure.
* @param base_queue First queue number to associate with this port.
* @param num_queues Number of queues to associate with this port
* @param 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_return_value_t cvmx_pko_config_port(int port, int base_queue,
int num_queues,
const u8 priority[])
{
cvmx_pko_return_value_t result_code;
int queue;
union cvmx_pko_mem_queue_ptrs config;
union cvmx_pko_reg_queue_ptrs1 config1;
int static_priority_base = -1;
int static_priority_end = -1;
int outputbuffer_pool = (int)cvmx_fpa_get_pko_pool();
u64 outputbuffer_pool_size = cvmx_fpa_get_pko_pool_block_size();
/* This function is not used for CN68XX */
if (OCTEON_IS_MODEL(OCTEON_CN68XX))
return cvmx_pko2_config_port(port, base_queue, num_queues,
priority);
if (debug)
debug("%s: port=%d queue=%d-%d pri %#x %#x %#x %#x\n", __func__,
port, base_queue, (base_queue + num_queues - 1),
priority[0], priority[1], priority[2], priority[3]);
/* The need to handle ILLEGAL_PID port argument
* is obsolete now, the code here can be simplified.
*/
if (port >= CVMX_PKO_NUM_OUTPUT_PORTS &&
port != CVMX_PKO_MEM_QUEUE_PTRS_ILLEGAL_PID) {
debug("ERROR: %s: Invalid port %llu\n", __func__,
(unsigned long long)port);
return CVMX_PKO_INVALID_PORT;
}
if (base_queue + num_queues > CVMX_PKO_MAX_OUTPUT_QUEUES) {
debug("ERROR: %s: Invalid queue range port = %lld base=%llu numques=%lld\n",
__func__, (unsigned long long)port,
(unsigned long long)base_queue,
(unsigned long long)num_queues);
return CVMX_PKO_INVALID_QUEUE;
}
if (port != CVMX_PKO_MEM_QUEUE_PTRS_ILLEGAL_PID) {
/*
* Validate the static queue priority setup and set
* static_priority_base and static_priority_end
* accordingly.
*/
for (queue = 0; queue < num_queues; queue++) {
/* Find first queue of static priority */
int p_queue = queue % 16;
if (static_priority_base == -1 &&
priority[p_queue] == CVMX_PKO_QUEUE_STATIC_PRIORITY)
static_priority_base = queue;
/* Find last queue of static priority */
if (static_priority_base != -1 &&
static_priority_end == -1 &&
priority[p_queue] !=
CVMX_PKO_QUEUE_STATIC_PRIORITY &&
queue)
static_priority_end = queue - 1;
else if (static_priority_base != -1 &&
static_priority_end == -1 &&
queue == num_queues - 1)
/* all queues're static priority */
static_priority_end = queue;
/*
* Check to make sure all static priority
* queues are contiguous. Also catches some
* cases of static priorites not starting at
* queue 0.
*/
if (static_priority_end != -1 &&
(int)queue > static_priority_end &&
priority[p_queue] ==
CVMX_PKO_QUEUE_STATIC_PRIORITY) {
debug("ERROR: %s: Static priority queues aren't contiguous or don't start at base queue. q: %d, eq: %d\n",
__func__, (int)queue, static_priority_end);
return CVMX_PKO_INVALID_PRIORITY;
}
}
if (static_priority_base > 0) {
debug("ERROR: %s: Static priority queues don't start at base queue. sq: %d\n",
__func__, static_priority_base);
return CVMX_PKO_INVALID_PRIORITY;
}
}
/*
* At this point, static_priority_base and static_priority_end
* are either both -1, or are valid start/end queue numbers
*/
result_code = CVMX_PKO_SUCCESS;
for (queue = 0; queue < num_queues; queue++) {
u64 *buf_ptr = NULL;
int p_queue = queue % 16;
config1.u64 = 0;
config1.s.idx3 = queue >> 3;
config1.s.qid7 = (base_queue + queue) >> 7;
config.u64 = 0;
config.s.tail = queue == (num_queues - 1);
config.s.index = queue;
config.s.port = port;
config.s.queue = base_queue + queue;
config.s.static_p = static_priority_base >= 0;
config.s.static_q = (int)queue <= static_priority_end;
config.s.s_tail = (int)queue == static_priority_end;
/*
* Convert the priority into an enable bit field. Try
* to space the bits out evenly so the packet don't
* get grouped up.
*/
switch ((int)priority[p_queue]) {
case 0:
config.s.qos_mask = 0x00;
break;
case 1:
config.s.qos_mask = 0x01;
break;
case 2:
config.s.qos_mask = 0x11;
break;
case 3:
config.s.qos_mask = 0x49;
break;
case 4:
config.s.qos_mask = 0x55;
break;
case 5:
config.s.qos_mask = 0x57;
break;
case 6:
config.s.qos_mask = 0x77;
break;
case 7:
config.s.qos_mask = 0x7f;
break;
case 8:
config.s.qos_mask = 0xff;
break;
case CVMX_PKO_QUEUE_STATIC_PRIORITY:
config.s.qos_mask = 0xff;
break;
default:
debug("ERROR: %s: Invalid priority %llu\n", __func__,
(unsigned long long)priority[p_queue]);
config.s.qos_mask = 0xff;
result_code = CVMX_PKO_INVALID_PRIORITY;
break;
}
if (port != CVMX_PKO_MEM_QUEUE_PTRS_ILLEGAL_PID) {
cvmx_cmd_queue_result_t cmd_res;
cmd_res = cvmx_cmd_queue_initialize(
CVMX_CMD_QUEUE_PKO(base_queue + queue),
CVMX_PKO_MAX_QUEUE_DEPTH, outputbuffer_pool,
outputbuffer_pool_size -
CVMX_PKO_COMMAND_BUFFER_SIZE_ADJUST *
8);
if (cmd_res != CVMX_CMD_QUEUE_SUCCESS) {
switch (cmd_res) {
case CVMX_CMD_QUEUE_NO_MEMORY:
debug("ERROR: %s: Unable to allocate output buffer\n",
__func__);
return CVMX_PKO_NO_MEMORY;
case CVMX_CMD_QUEUE_ALREADY_SETUP:
debug("ERROR: %s: Port already setup. port=%d\n",
__func__, (int)port);
return CVMX_PKO_PORT_ALREADY_SETUP;
case CVMX_CMD_QUEUE_INVALID_PARAM:
default:
debug("ERROR: %s: Command queue initialization failed.\n",
__func__);
return CVMX_PKO_CMD_QUEUE_INIT_ERROR;
}
}
buf_ptr = (u64 *)cvmx_cmd_queue_buffer(
CVMX_CMD_QUEUE_PKO(base_queue + queue));
config.s.buf_ptr = cvmx_ptr_to_phys(buf_ptr);
} else {
config.s.buf_ptr = 0;
}
CVMX_SYNCWS;
csr_wr(CVMX_PKO_REG_QUEUE_PTRS1, config1.u64);
csr_wr(CVMX_PKO_MEM_QUEUE_PTRS, config.u64);
}
return result_code;
}
/*
* Configure queues for an internal port.
* @INTERNAL
* @param pko_port PKO internal port number
* @note this is the PKO2 equivalent to cvmx_pko_config_port()
*/
static cvmx_pko_return_value_t cvmx_pko2_config_port(short ipd_port,
int base_queue,
int num_queues,
const u8 priority[])
{
int queue, pko_port;
int static_priority_base;
int static_priority_end;
union cvmx_pko_mem_iqueue_ptrs config;
u64 *buf_ptr = NULL;
int outputbuffer_pool = (int)cvmx_fpa_get_pko_pool();
u64 outputbuffer_pool_size = cvmx_fpa_get_pko_pool_block_size();
pko_port = cvmx_helper_cfg_ipd2pko_port_base(ipd_port);
if (debug)
debug("%s: ipd_port %d pko_iport %d qbase %d qnum %d\n",
__func__, ipd_port, pko_port, base_queue, num_queues);
static_priority_base = -1;
static_priority_end = -1;
/*
* static queue priority validation
*/
for (queue = 0; queue < num_queues; queue++) {
int p_queue = queue % 16;
if (static_priority_base == -1 &&
priority[p_queue] == CVMX_PKO_QUEUE_STATIC_PRIORITY)
static_priority_base = queue;
if (static_priority_base != -1 && static_priority_end == -1 &&
priority[p_queue] != CVMX_PKO_QUEUE_STATIC_PRIORITY &&
queue)
static_priority_end = queue - 1;
else if (static_priority_base != -1 &&
static_priority_end == -1 && queue == num_queues - 1)
static_priority_end =
queue; /* all queues are static priority */
/*
* Check to make sure all static priority queues are contiguous.
* Also catches some cases of static priorites not starting from
* queue 0.
*/
if (static_priority_end != -1 &&
(int)queue > static_priority_end &&
priority[p_queue] == CVMX_PKO_QUEUE_STATIC_PRIORITY) {
debug("ERROR: %s: Static priority queues aren't contiguous or don't start at base queue. q: %d, eq: %d\n",
__func__, (int)queue, static_priority_end);
}
if (static_priority_base > 0) {
debug("ERROR: %s: Static priority queues don't start at base queue. sq: %d\n",
__func__, static_priority_base);
}
}
/*
* main loop to set the fields of CVMX_PKO_MEM_IQUEUE_PTRS for
* each queue
*/
for (queue = 0; queue < num_queues; queue++) {
int p_queue = queue % 8;
config.u64 = 0;
config.s.index = queue;
config.s.qid = base_queue + queue;
config.s.ipid = pko_port;
config.s.tail = (queue == (num_queues - 1));
config.s.s_tail = (queue == static_priority_end);
config.s.static_p = (static_priority_base >= 0);
config.s.static_q = (queue <= static_priority_end);
/*
* Convert the priority into an enable bit field.
* Try to space the bits out evenly so the packet
* don't get grouped up.
*/
switch ((int)priority[p_queue]) {
case 0:
config.s.qos_mask = 0x00;
break;
case 1:
config.s.qos_mask = 0x01;
break;
case 2:
config.s.qos_mask = 0x11;
break;
case 3:
config.s.qos_mask = 0x49;
break;
case 4:
config.s.qos_mask = 0x55;
break;
case 5:
config.s.qos_mask = 0x57;
break;
case 6:
config.s.qos_mask = 0x77;
break;
case 7:
config.s.qos_mask = 0x7f;
break;
case 8:
config.s.qos_mask = 0xff;
break;
case CVMX_PKO_QUEUE_STATIC_PRIORITY:
config.s.qos_mask = 0xff;
break;
default:
debug("ERROR: %s: Invalid priority %llu\n", __func__,
(unsigned long long)priority[p_queue]);
config.s.qos_mask = 0xff;
break;
}
/*
* The command queues
*/
{
cvmx_cmd_queue_result_t cmd_res;
cmd_res = cvmx_cmd_queue_initialize(
CVMX_CMD_QUEUE_PKO(base_queue + queue),
CVMX_PKO_MAX_QUEUE_DEPTH, outputbuffer_pool,
(outputbuffer_pool_size -
CVMX_PKO_COMMAND_BUFFER_SIZE_ADJUST * 8));
if (cmd_res != CVMX_CMD_QUEUE_SUCCESS) {
switch (cmd_res) {
case CVMX_CMD_QUEUE_NO_MEMORY:
debug("ERROR: %s: Unable to allocate output buffer\n",
__func__);
break;
case CVMX_CMD_QUEUE_ALREADY_SETUP:
debug("ERROR: %s: Port already setup\n",
__func__);
break;
case CVMX_CMD_QUEUE_INVALID_PARAM:
default:
debug("ERROR: %s: Command queue initialization failed.",
__func__);
break;
}
debug(" pko_port%d base_queue%d num_queues%d queue%d.\n",
pko_port, base_queue, num_queues, queue);
}
buf_ptr = (u64 *)cvmx_cmd_queue_buffer(
CVMX_CMD_QUEUE_PKO(base_queue + queue));
config.s.buf_ptr = cvmx_ptr_to_phys(buf_ptr) >> 7;
}
CVMX_SYNCWS;
csr_wr(CVMX_PKO_MEM_IQUEUE_PTRS, config.u64);
}
/* Error detection is resirable here */
return 0;
}
Reference in a new issue Copy permalink