mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-14 08:57:58 +00:00
046922ea78
Import cvmx-helper-npi.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>
137 lines
3.6 KiB
C
137 lines
3.6 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Copyright (C) 2018-2022 Marvell International Ltd.
|
|
*
|
|
* Functions for NPI initialization, configuration,
|
|
* and monitoring.
|
|
*/
|
|
|
|
#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>
|
|
|
|
static int cvmx_npi_num_pipes = -1;
|
|
|
|
/**
|
|
* @INTERNAL
|
|
* Probe a NPI interface and determine the number of ports
|
|
* connected to it. The NPI interface should still be down
|
|
* after this call.
|
|
*
|
|
* @param interface to probe
|
|
*
|
|
* @return Number of ports on the interface. Zero to disable.
|
|
*/
|
|
int __cvmx_helper_npi_probe(int interface)
|
|
{
|
|
if (OCTEON_IS_MODEL(OCTEON_CN68XX))
|
|
return 32;
|
|
else if (OCTEON_IS_MODEL(OCTEON_CN73XX))
|
|
return 128;
|
|
else if (OCTEON_IS_MODEL(OCTEON_CN78XX))
|
|
return 64;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* @INTERNAL
|
|
* Bringup and enable a NPI interface. After this call packet
|
|
* I/O should be fully functional. This is called with IPD
|
|
* enabled but PKO disabled.
|
|
*
|
|
* @param xiface Interface to bring up
|
|
*
|
|
* @return Zero on success, negative on failure
|
|
*/
|
|
int __cvmx_helper_npi_enable(int xiface)
|
|
{
|
|
struct cvmx_xiface xi = cvmx_helper_xiface_to_node_interface(xiface);
|
|
int interface = xi.interface;
|
|
int port;
|
|
int num_ports = cvmx_helper_ports_on_interface(interface);
|
|
|
|
/*
|
|
* On CN50XX, CN52XX, and CN56XX we need to disable length
|
|
* checking so packet < 64 bytes and jumbo frames don't get
|
|
* errors.
|
|
*/
|
|
for (port = 0; port < num_ports; port++) {
|
|
union cvmx_pip_prt_cfgx port_cfg;
|
|
int ipd_port =
|
|
(octeon_has_feature(OCTEON_FEATURE_PKND)) ?
|
|
cvmx_helper_get_pknd(interface, port) :
|
|
cvmx_helper_get_ipd_port(interface, port);
|
|
if (octeon_has_feature(OCTEON_FEATURE_PKI)) {
|
|
unsigned int node = cvmx_get_node_num();
|
|
|
|
cvmx_pki_endis_l2_errs(node, ipd_port, 0, 0, 0);
|
|
|
|
} else {
|
|
port_cfg.u64 = csr_rd(CVMX_PIP_PRT_CFGX(ipd_port));
|
|
port_cfg.s.lenerr_en = 0;
|
|
port_cfg.s.maxerr_en = 0;
|
|
port_cfg.s.minerr_en = 0;
|
|
csr_wr(CVMX_PIP_PRT_CFGX(ipd_port), port_cfg.u64);
|
|
}
|
|
if (OCTEON_IS_MODEL(OCTEON_CN68XX)) {
|
|
/* Set up pknd and bpid */
|
|
union cvmx_sli_portx_pkind config;
|
|
|
|
config.u64 = csr_rd(CVMX_PEXP_SLI_PORTX_PKIND(port));
|
|
config.s.bpkind = cvmx_helper_get_bpid(interface, port);
|
|
config.s.pkind = cvmx_helper_get_pknd(interface, port);
|
|
csr_wr(CVMX_PEXP_SLI_PORTX_PKIND(port), config.u64);
|
|
}
|
|
}
|
|
|
|
if (OCTEON_IS_MODEL(OCTEON_CN68XX)) {
|
|
/*
|
|
* Set up pko pipes.
|
|
*/
|
|
union cvmx_sli_tx_pipe config;
|
|
|
|
config.u64 = csr_rd(CVMX_PEXP_SLI_TX_PIPE);
|
|
config.s.base = __cvmx_pko_get_pipe(interface, 0);
|
|
config.s.nump =
|
|
cvmx_npi_num_pipes < 0 ? num_ports : cvmx_npi_num_pipes;
|
|
csr_wr(CVMX_PEXP_SLI_TX_PIPE, config.u64);
|
|
}
|
|
|
|
/* Enables are controlled by the remote host, so nothing to do here */
|
|
return 0;
|
|
}
|