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u-boot/arch/mips/mach-octeon/cvmx-helper-pki.c
Aaron Williams 755a6ea953 mips: octeon: Add cvmx-helper-pki.c 
Import cvmx-helper-pki.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

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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2018-2022 Marvell International Ltd.
*
* PKI helper functions.
*/
#include <time.h>
#include <log.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-ipd-defs.h>
#include <mach/cvmx-pexp-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-sli-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-helper.h>
#include <mach/cvmx-helper-board.h>
#include <mach/cvmx-helper-cfg.h>
#include <mach/cvmx-helper-pki.h>
#include <mach/cvmx-global-resources.h>
#include <mach/cvmx-pko-internal-ports-range.h>
#include <mach/cvmx-ilk.h>
#include <mach/cvmx-pip.h>
static int pki_helper_debug;
bool cvmx_pki_dflt_init[CVMX_MAX_NODES] = { [0 ... CVMX_MAX_NODES - 1] = 1 };
static bool cvmx_pki_dflt_bp_en[CVMX_MAX_NODES] = { [0 ... CVMX_MAX_NODES - 1] =
true };
static struct cvmx_pki_cluster_grp_config pki_dflt_clgrp[CVMX_MAX_NODES] = {
{ 0, 0xf },
{ 0, 0xf }
};
struct cvmx_pki_pool_config pki_dflt_pool[CVMX_MAX_NODES] = {
[0 ... CVMX_MAX_NODES -
1] = { .pool_num = -1, .buffer_size = 2048, .buffer_count = 0 }
};
struct cvmx_pki_aura_config pki_dflt_aura[CVMX_MAX_NODES] = {
[0 ... CVMX_MAX_NODES -
1] = { .aura_num = 0, .pool_num = -1, .buffer_count = 0 }
};
struct cvmx_pki_style_config pki_dflt_style[CVMX_MAX_NODES] = {
[0 ... CVMX_MAX_NODES - 1] = { .parm_cfg = { .lenerr_en = 1,
.maxerr_en = 1,
.minerr_en = 1,
.fcs_strip = 1,
.fcs_chk = 1,
.first_skip = 40,
.mbuff_size = 2048 } }
};
struct cvmx_pki_sso_grp_config pki_dflt_sso_grp[CVMX_MAX_NODES];
struct cvmx_pki_qpg_config pki_dflt_qpg[CVMX_MAX_NODES];
struct cvmx_pki_pkind_config pki_dflt_pkind[CVMX_MAX_NODES];
u64 pkind_style_map[CVMX_MAX_NODES][CVMX_PKI_NUM_PKIND] = {
[0 ... CVMX_MAX_NODES -
1] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63 }
};
/* To store the qos watcher values before they are written to pcam when watcher
* is enabled. There is no cvmx-pip.c file exist so it ended up here
*/
struct cvmx_pki_legacy_qos_watcher qos_watcher[8];
/** @INTERNAL
* This function setsup default ltype map
* @param node node number
*/
void __cvmx_helper_pki_set_dflt_ltype_map(int node)
{
cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_NONE,
CVMX_PKI_BELTYPE_NONE);
cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_ENET,
CVMX_PKI_BELTYPE_MISC);
cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_VLAN,
CVMX_PKI_BELTYPE_MISC);
cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_SNAP_PAYLD,
CVMX_PKI_BELTYPE_MISC);
cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_ARP,
CVMX_PKI_BELTYPE_MISC);
cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_RARP,
CVMX_PKI_BELTYPE_MISC);
cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_IP4,
CVMX_PKI_BELTYPE_IP4);
cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_IP4_OPT,
CVMX_PKI_BELTYPE_IP4);
cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_IP6,
CVMX_PKI_BELTYPE_IP6);
cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_IP6_OPT,
CVMX_PKI_BELTYPE_IP6);
cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_IPSEC_ESP,
CVMX_PKI_BELTYPE_MISC);
cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_IPFRAG,
CVMX_PKI_BELTYPE_MISC);
cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_IPCOMP,
CVMX_PKI_BELTYPE_MISC);
cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_TCP,
CVMX_PKI_BELTYPE_TCP);
cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_UDP,
CVMX_PKI_BELTYPE_UDP);
cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_SCTP,
CVMX_PKI_BELTYPE_SCTP);
cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_UDP_VXLAN,
CVMX_PKI_BELTYPE_UDP);
cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_GRE,
CVMX_PKI_BELTYPE_MISC);
cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_NVGRE,
CVMX_PKI_BELTYPE_MISC);
cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_GTP,
CVMX_PKI_BELTYPE_MISC);
cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_SW28,
CVMX_PKI_BELTYPE_MISC);
cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_SW29,
CVMX_PKI_BELTYPE_MISC);
cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_SW30,
CVMX_PKI_BELTYPE_MISC);
cvmx_pki_write_ltype_map(node, CVMX_PKI_LTYPE_E_SW31,
CVMX_PKI_BELTYPE_MISC);
}
/** @INTERNAL
* This function installs the default VLAN entries to identify
* the VLAN and set WQE[vv], WQE[vs] if VLAN is found. In 78XX
* hardware (PKI) is not hardwired to recognize any 802.1Q VLAN
* Ethertypes
*
* @param node node number
*/
int __cvmx_helper_pki_install_dflt_vlan(int node)
{
struct cvmx_pki_pcam_input pcam_input;
struct cvmx_pki_pcam_action pcam_action;
enum cvmx_pki_term field;
int index;
int bank;
u64 cl_mask = CVMX_PKI_CLUSTER_ALL;
memset(&pcam_input, 0, sizeof(pcam_input));
memset(&pcam_action, 0, sizeof(pcam_action));
if (OCTEON_IS_MODEL(OCTEON_CN78XX_PASS1_X)) {
/* PKI-20858 */
int i;
for (i = 0; i < 4; i++) {
union cvmx_pki_clx_ecc_ctl ecc_ctl;
ecc_ctl.u64 =
csr_rd_node(node, CVMX_PKI_CLX_ECC_CTL(i));
ecc_ctl.s.pcam_en = 0;
ecc_ctl.s.pcam0_cdis = 1;
ecc_ctl.s.pcam1_cdis = 1;
csr_wr_node(node, CVMX_PKI_CLX_ECC_CTL(i), ecc_ctl.u64);
}
}
for (field = CVMX_PKI_PCAM_TERM_ETHTYPE0;
field < CVMX_PKI_PCAM_TERM_ETHTYPE2; field++) {
bank = field & 0x01;
index = cvmx_pki_pcam_entry_alloc(
node, CVMX_PKI_FIND_AVAL_ENTRY, bank, cl_mask);
if (index < 0) {
debug("ERROR: Allocating pcam entry node=%d bank=%d\n",
node, bank);
return -1;
}
pcam_input.style = 0;
pcam_input.style_mask = 0;
pcam_input.field = field;
pcam_input.field_mask = 0xfd;
pcam_input.data = 0x81000000;
pcam_input.data_mask = 0xffff0000;
pcam_action.parse_mode_chg = CVMX_PKI_PARSE_NO_CHG;
pcam_action.layer_type_set = CVMX_PKI_LTYPE_E_VLAN;
pcam_action.style_add = 0;
pcam_action.pointer_advance = 4;
cvmx_pki_pcam_write_entry(
node, index, cl_mask, pcam_input,
pcam_action); /*cluster_mask in pass2*/
index = cvmx_pki_pcam_entry_alloc(
node, CVMX_PKI_FIND_AVAL_ENTRY, bank, cl_mask);
if (index < 0) {
debug("ERROR: Allocating pcam entry node=%d bank=%d\n",
node, bank);
return -1;
}
pcam_input.data = 0x88a80000;
cvmx_pki_pcam_write_entry(node, index, cl_mask, pcam_input,
pcam_action);
index = cvmx_pki_pcam_entry_alloc(
node, CVMX_PKI_FIND_AVAL_ENTRY, bank, cl_mask);
if (index < 0) {
debug("ERROR: Allocating pcam entry node=%d bank=%d\n",
node, bank);
return -1;
}
pcam_input.data = 0x92000000;
cvmx_pki_pcam_write_entry(
node, index, cl_mask, pcam_input,
pcam_action); /* cluster_mask in pass2*/
index = cvmx_pki_pcam_entry_alloc(
node, CVMX_PKI_FIND_AVAL_ENTRY, bank, cl_mask);
if (index < 0) {
debug("ERROR: Allocating pcam entry node=%d bank=%d\n",
node, bank);
return -1;
}
pcam_input.data = 0x91000000;
cvmx_pki_pcam_write_entry(node, index, cl_mask, pcam_input,
pcam_action);
}
return 0;
}
static int __cvmx_helper_setup_pki_cluster_groups(int node)
{
u64 cl_mask;
int cl_group;
cl_group =
cvmx_pki_cluster_grp_alloc(node, pki_dflt_clgrp[node].grp_num);
if (cl_group == CVMX_RESOURCE_ALLOC_FAILED)
return -1;
else if (cl_group == CVMX_RESOURCE_ALREADY_RESERVED) {
if (pki_dflt_clgrp[node].grp_num == -1)
return -1;
else
return 0; /* cluster already configured, share it */
}
cl_mask = pki_dflt_clgrp[node].cluster_mask;
if (pki_helper_debug)
debug("pki-helper: setup pki cluster grp %d with cl_mask 0x%llx\n",
(int)cl_group, (unsigned long long)cl_mask);
cvmx_pki_attach_cluster_to_group(node, cl_group, cl_mask);
return 0;
}
/**
* This function sets up pools/auras to be used by PKI
* @param node node number
*/
static int __cvmx_helper_pki_setup_fpa_pools(int node)
{
u64 buffer_count;
u64 buffer_size;
if (__cvmx_fpa3_aura_valid(pki_dflt_aura[node].aura))
return 0; /* aura already configured, share it */
buffer_count = pki_dflt_pool[node].buffer_count;
buffer_size = pki_dflt_pool[node].buffer_size;
if (buffer_count != 0) {
pki_dflt_pool[node].pool = cvmx_fpa3_setup_fill_pool(
node, pki_dflt_pool[node].pool_num, "PKI POOL DFLT",
buffer_size, buffer_count, NULL);
if (!__cvmx_fpa3_pool_valid(pki_dflt_pool[node].pool)) {
cvmx_printf("ERROR: %s: Failed to allocate pool %d\n",
__func__, pki_dflt_pool[node].pool_num);
return -1;
}
pki_dflt_pool[node].pool_num = pki_dflt_pool[node].pool.lpool;
if (pki_helper_debug)
debug("%s pool %d with buffer size %d cnt %d\n",
__func__, pki_dflt_pool[node].pool_num,
(int)buffer_size, (int)buffer_count);
pki_dflt_aura[node].pool_num = pki_dflt_pool[node].pool_num;
pki_dflt_aura[node].pool = pki_dflt_pool[node].pool;
}
buffer_count = pki_dflt_aura[node].buffer_count;
if (buffer_count != 0) {
pki_dflt_aura[node].aura = cvmx_fpa3_set_aura_for_pool(
pki_dflt_aura[node].pool, pki_dflt_aura[node].aura_num,
"PKI DFLT AURA", buffer_size, buffer_count);
if (!__cvmx_fpa3_aura_valid(pki_dflt_aura[node].aura)) {
debug("ERROR: %sL Failed to allocate aura %d\n",
__func__, pki_dflt_aura[node].aura_num);
return -1;
}
}
return 0;
}
static int __cvmx_helper_setup_pki_qpg_table(int node)
{
int offset;
offset = cvmx_pki_qpg_entry_alloc(node, pki_dflt_qpg[node].qpg_base, 1);
if (offset == CVMX_RESOURCE_ALLOC_FAILED)
return -1;
else if (offset == CVMX_RESOURCE_ALREADY_RESERVED)
return 0; /* share the qpg table entry */
if (pki_helper_debug)
debug("pki-helper: set qpg entry at offset %d with port add %d aura %d grp_ok %d grp_bad %d\n",
offset, pki_dflt_qpg[node].port_add,
pki_dflt_qpg[node].aura_num, pki_dflt_qpg[node].grp_ok,
pki_dflt_qpg[node].grp_bad);
cvmx_pki_write_qpg_entry(node, offset, &pki_dflt_qpg[node]);
return 0;
}
int __cvmx_helper_pki_port_setup(int node, int ipd_port)
{
int xiface, index;
int pknd, style_num;
int rs;
struct cvmx_pki_pkind_config pkind_cfg;
if (!cvmx_pki_dflt_init[node])
return 0;
xiface = cvmx_helper_get_interface_num(ipd_port);
index = cvmx_helper_get_interface_index_num(ipd_port);
pknd = cvmx_helper_get_pknd(xiface, index);
style_num = pkind_style_map[node][pknd];
/* try to reserve the style, if it is not configured already, reserve
and configure it */
rs = cvmx_pki_style_alloc(node, style_num);
if (rs < 0) {
if (rs == CVMX_RESOURCE_ALLOC_FAILED)
return -1;
} else {
if (pki_helper_debug)
debug("pki-helper: set style %d with default parameters\n",
style_num);
pkind_style_map[node][pknd] = style_num;
/* configure style with default parameters */
cvmx_pki_write_style_config(node, style_num,
CVMX_PKI_CLUSTER_ALL,
&pki_dflt_style[node]);
}
if (pki_helper_debug)
debug("pki-helper: set pkind %d with initial style %d\n", pknd,
style_num);
/* write pkind configuration */
pkind_cfg = pki_dflt_pkind[node];
pkind_cfg.initial_style = style_num;
cvmx_pki_write_pkind_config(node, pknd, &pkind_cfg);
return 0;
}
int __cvmx_helper_pki_global_setup(int node)
{
__cvmx_helper_pki_set_dflt_ltype_map(node);
if (!cvmx_pki_dflt_init[node])
return 0;
/* Setup the packet pools*/
__cvmx_helper_pki_setup_fpa_pools(node);
/*set up default cluster*/
__cvmx_helper_setup_pki_cluster_groups(node);
//__cvmx_helper_pki_setup_sso_groups(node);
__cvmx_helper_setup_pki_qpg_table(node);
/*
* errata PKI-19103 backward compat has only 1 aura
* no head line blocking
*/
if (OCTEON_IS_MODEL(OCTEON_CN78XX_PASS1_X)) {
cvmx_pki_buf_ctl_t buf_ctl;
buf_ctl.u64 = csr_rd_node(node, CVMX_PKI_BUF_CTL);
buf_ctl.s.fpa_wait = 1;
csr_wr_node(node, CVMX_PKI_BUF_CTL, buf_ctl.u64);
}
return 0;
}
/**
* This function Enabled the PKI hardware to
* start accepting/processing packets.
*
* @param node node number
*/
void cvmx_helper_pki_enable(int node)
{
if (pki_helper_debug)
debug("enable PKI on node %d\n", node);
__cvmx_helper_pki_install_dflt_vlan(node);
cvmx_pki_setup_clusters(node);
if (cvmx_pki_dflt_bp_en[node])
cvmx_pki_enable_backpressure(node);
cvmx_pki_parse_enable(node, 0);
cvmx_pki_enable(node);
}
/**
* This function setups the qos table by allocating qpg entry and writing
* the provided parameters to that entry (offset).
* @param node node number.
* @param qpg_cfg pointer to struct containing qpg configuration
*/
int cvmx_helper_pki_set_qpg_entry(int node, struct cvmx_pki_qpg_config *qpg_cfg)
{
int offset;
offset = cvmx_pki_qpg_entry_alloc(node, qpg_cfg->qpg_base, 1);
if (pki_helper_debug)
debug("pki-helper:set qpg entry at offset %d\n", offset);
if (offset == CVMX_RESOURCE_ALREADY_RESERVED) {
debug("INFO:setup_qpg_table: offset %d already reserved\n",
qpg_cfg->qpg_base);
return CVMX_RESOURCE_ALREADY_RESERVED;
} else if (offset == CVMX_RESOURCE_ALLOC_FAILED) {
debug("ERROR:setup_qpg_table: no more entries available\n");
return CVMX_RESOURCE_ALLOC_FAILED;
}
qpg_cfg->qpg_base = offset;
cvmx_pki_write_qpg_entry(node, offset, qpg_cfg);
return offset;
}
/**
* This function gets all the PKI parameters related to that
* particular port from hardware.
* @param xipd_port xipd_port port number with node to get parameter of
* @param port_cfg pointer to structure where to store read parameters
*/
void cvmx_pki_get_port_config(int xipd_port,
struct cvmx_pki_port_config *port_cfg)
{
int xiface, index, pknd;
int style, cl_mask;
cvmx_pki_icgx_cfg_t pki_cl_msk;
struct cvmx_xport xp = cvmx_helper_ipd_port_to_xport(xipd_port);
/* get the pkind used by this ipd port */
xiface = cvmx_helper_get_interface_num(xipd_port);
index = cvmx_helper_get_interface_index_num(xipd_port);
pknd = cvmx_helper_get_pknd(xiface, index);
cvmx_pki_read_pkind_config(xp.node, pknd, &port_cfg->pkind_cfg);
style = port_cfg->pkind_cfg.initial_style;
pki_cl_msk.u64 = csr_rd_node(
xp.node, CVMX_PKI_ICGX_CFG(port_cfg->pkind_cfg.cluster_grp));
cl_mask = pki_cl_msk.s.clusters;
cvmx_pki_read_style_config(xp.node, style, cl_mask,
&port_cfg->style_cfg);
}
/**
* This function sets all the PKI parameters related to that
* particular port in hardware.
* @param xipd_port ipd port number with node to get parameter of
* @param port_cfg pointer to structure containing port parameters
*/
void cvmx_pki_set_port_config(int xipd_port,
struct cvmx_pki_port_config *port_cfg)
{
int xiface, index, pknd;
int style, cl_mask;
cvmx_pki_icgx_cfg_t pki_cl_msk;
struct cvmx_xport xp = cvmx_helper_ipd_port_to_xport(xipd_port);
/* get the pkind used by this ipd port */
xiface = cvmx_helper_get_interface_num(xipd_port);
index = cvmx_helper_get_interface_index_num(xipd_port);
pknd = cvmx_helper_get_pknd(xiface, index);
if (cvmx_pki_write_pkind_config(xp.node, pknd, &port_cfg->pkind_cfg))
return;
style = port_cfg->pkind_cfg.initial_style;
pki_cl_msk.u64 = csr_rd_node(
xp.node, CVMX_PKI_ICGX_CFG(port_cfg->pkind_cfg.cluster_grp));
cl_mask = pki_cl_msk.s.clusters;
cvmx_pki_write_style_config(xp.node, style, cl_mask,
&port_cfg->style_cfg);
}
/**
* This function sets up all th eports of particular interface
* for chosen fcs mode. (only use for backward compatibility).
* New application can control it via init_interface calls.
* @param node node number.
* @param interface interface number.
* @param nports number of ports
* @param has_fcs 1 -- enable fcs check and fcs strip.
* 0 -- disable fcs check.
*/
void cvmx_helper_pki_set_fcs_op(int node, int interface, int nports,
int has_fcs)
{
int xiface, index;
int pknd;
unsigned int cluster = 0;
cvmx_pki_clx_pkindx_cfg_t pkind_cfg;
xiface = cvmx_helper_node_interface_to_xiface(node, interface);
for (index = 0; index < nports; index++) {
pknd = cvmx_helper_get_pknd(xiface, index);
while (cluster < CVMX_PKI_NUM_CLUSTER) {
/*find the cluster in use pass2*/
pkind_cfg.u64 = csr_rd_node(
node, CVMX_PKI_CLX_PKINDX_CFG(pknd, cluster));
pkind_cfg.s.fcs_pres = has_fcs;
csr_wr_node(node,
CVMX_PKI_CLX_PKINDX_CFG(pknd, cluster),
pkind_cfg.u64);
cluster++;
}
/* make sure fcs_strip and fcs_check is also enable/disable
* for the style used by that port
*/
cvmx_pki_endis_fcs_check(node, pknd, has_fcs, has_fcs);
cluster = 0;
}
}
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