u-boot/arch/mips/mach-octeon/cvmx-fpa-resource.c
Aaron Williams e36125d9c2 mips: octeon: Add cvmx-fpa-resource.c
Import cvmx-fpa-resource.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>
2022-05-04 03:38:21 +02:00

219 lines
5.2 KiB
C

// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2018-2022 Marvell International Ltd.
*/
#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-range.h>
#include <mach/cvmx-global-resources.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-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-ipd.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>
static struct global_resource_tag get_fpa1_resource_tag(void)
{
return CVMX_GR_TAG_FPA;
}
static struct global_resource_tag get_fpa3_aura_resource_tag(int node)
{
return cvmx_get_gr_tag('c', 'v', 'm', '_', 'a', 'u', 'r', 'a', '_',
node + '0', '.', '.', '.', '.', '.', '.');
}
static struct global_resource_tag get_fpa3_pool_resource_tag(int node)
{
return cvmx_get_gr_tag('c', 'v', 'm', '_', 'p', 'o', 'o', 'l', '_',
node + '0', '.', '.', '.', '.', '.', '.');
}
int cvmx_fpa_get_max_pools(void)
{
if (octeon_has_feature(OCTEON_FEATURE_FPA3))
return cvmx_fpa3_num_auras();
else if (OCTEON_IS_MODEL(OCTEON_CN68XX))
/* 68xx pool 8 is not available via API */
return CVMX_FPA1_NUM_POOLS;
else
return CVMX_FPA1_NUM_POOLS;
}
cvmx_fpa3_gaura_t cvmx_fpa3_reserve_aura(int node, int desired_aura_num)
{
u64 owner = cvmx_get_app_id();
int rv = 0;
struct global_resource_tag tag;
cvmx_fpa3_gaura_t aura;
if (node == -1)
node = cvmx_get_node_num();
tag = get_fpa3_aura_resource_tag(node);
if (cvmx_create_global_resource_range(tag, cvmx_fpa3_num_auras()) !=
0) {
printf("ERROR: %s: global resource create node=%u\n", __func__,
node);
return CVMX_FPA3_INVALID_GAURA;
}
if (desired_aura_num >= 0)
rv = cvmx_reserve_global_resource_range(tag, owner,
desired_aura_num, 1);
else
rv = cvmx_resource_alloc_reverse(tag, owner);
if (rv < 0) {
printf("ERROR: %s: node=%u desired aura=%d\n", __func__, node,
desired_aura_num);
return CVMX_FPA3_INVALID_GAURA;
}
aura = __cvmx_fpa3_gaura(node, rv);
return aura;
}
int cvmx_fpa3_release_aura(cvmx_fpa3_gaura_t aura)
{
struct global_resource_tag tag = get_fpa3_aura_resource_tag(aura.node);
int laura = aura.laura;
if (!__cvmx_fpa3_aura_valid(aura))
return -1;
return cvmx_free_global_resource_range_multiple(tag, &laura, 1);
}
/**
*/
cvmx_fpa3_pool_t cvmx_fpa3_reserve_pool(int node, int desired_pool_num)
{
u64 owner = cvmx_get_app_id();
int rv = 0;
struct global_resource_tag tag;
cvmx_fpa3_pool_t pool;
if (node == -1)
node = cvmx_get_node_num();
tag = get_fpa3_pool_resource_tag(node);
if (cvmx_create_global_resource_range(tag, cvmx_fpa3_num_pools()) !=
0) {
printf("ERROR: %s: global resource create node=%u\n", __func__,
node);
return CVMX_FPA3_INVALID_POOL;
}
if (desired_pool_num >= 0)
rv = cvmx_reserve_global_resource_range(tag, owner,
desired_pool_num, 1);
else
rv = cvmx_resource_alloc_reverse(tag, owner);
if (rv < 0) {
/* Desired pool is already in use */
return CVMX_FPA3_INVALID_POOL;
}
pool = __cvmx_fpa3_pool(node, rv);
return pool;
}
int cvmx_fpa3_release_pool(cvmx_fpa3_pool_t pool)
{
struct global_resource_tag tag = get_fpa3_pool_resource_tag(pool.node);
int lpool = pool.lpool;
if (!__cvmx_fpa3_pool_valid(pool))
return -1;
if (cvmx_create_global_resource_range(tag, cvmx_fpa3_num_pools()) !=
0) {
printf("ERROR: %s: global resource create node=%u\n", __func__,
pool.node);
return -1;
}
return cvmx_free_global_resource_range_multiple(tag, &lpool, 1);
}
cvmx_fpa1_pool_t cvmx_fpa1_reserve_pool(int desired_pool_num)
{
u64 owner = cvmx_get_app_id();
struct global_resource_tag tag;
int rv;
tag = get_fpa1_resource_tag();
if (cvmx_create_global_resource_range(tag, CVMX_FPA1_NUM_POOLS) != 0) {
printf("ERROR: %s: global resource not created\n", __func__);
return -1;
}
if (desired_pool_num >= 0) {
rv = cvmx_reserve_global_resource_range(tag, owner,
desired_pool_num, 1);
} else {
rv = cvmx_resource_alloc_reverse(tag, owner);
}
if (rv < 0) {
printf("ERROR: %s: FPA_POOL %d unavailable\n", __func__,
desired_pool_num);
return CVMX_RESOURCE_ALREADY_RESERVED;
}
return (cvmx_fpa1_pool_t)rv;
}
int cvmx_fpa1_release_pool(cvmx_fpa1_pool_t pool)
{
struct global_resource_tag tag;
tag = get_fpa1_resource_tag();
return cvmx_free_global_resource_range_multiple(tag, &pool, 1);
}