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>

diff --git a/arch/mips/mach-octeon/cvmx-fpa-resource.c b/arch/mips/mach-octeon/cvmx-fpa-resource.c
new file mode 100644 (file)
index 0000000..e502564
--- /dev/null
+++ b/arch/mips/mach-octeon/cvmx-fpa-resource.c
@@ -0,0 +1,219 @@
+// 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);
+}