blob: d2f965486116b0711643a45475971108146f08b8 [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2018 Marvell International Ltd.
*/
#include <dm.h>
#include <errno.h>
#include <malloc.h>
#include <misc.h>
#include <net.h>
#include <pci_ids.h>
#include <linux/list.h>
#include <asm/io.h>
#include <asm/arch/board.h>
#include <asm/arch/csrs/csrs-npa.h>
#include "nix.h"
struct udevice *rvu_af_dev;
inline struct rvu_af *get_af(void)
{
return rvu_af_dev ? dev_get_priv(rvu_af_dev) : NULL;
}
void rvu_get_lfid_for_pf(int pf, int *nixid, int *npaid)
{
union nixx_af_rvu_lf_cfg_debug nix_lf_dbg;
union npa_af_rvu_lf_cfg_debug npa_lf_dbg;
union rvu_pf_func_s pf_func;
struct rvu_af *af = dev_get_priv(rvu_af_dev);
struct nix_af *nix_af = af->nix_af;
pf_func.u = 0;
pf_func.s.pf = pf;
nix_lf_dbg.u = 0;
nix_lf_dbg.s.pf_func = pf_func.u & 0xFFFF;
nix_lf_dbg.s.exec = 1;
nix_af_reg_write(nix_af, NIXX_AF_RVU_LF_CFG_DEBUG(),
nix_lf_dbg.u);
do {
nix_lf_dbg.u = nix_af_reg_read(nix_af,
NIXX_AF_RVU_LF_CFG_DEBUG());
} while (nix_lf_dbg.s.exec);
if (nix_lf_dbg.s.lf_valid)
*nixid = nix_lf_dbg.s.lf;
debug("%s: nix lf_valid %d lf %d nixid %d\n", __func__,
nix_lf_dbg.s.lf_valid, nix_lf_dbg.s.lf, *nixid);
npa_lf_dbg.u = 0;
npa_lf_dbg.s.pf_func = pf_func.u & 0xFFFF;
npa_lf_dbg.s.exec = 1;
npa_af_reg_write(nix_af->npa_af, NPA_AF_RVU_LF_CFG_DEBUG(),
npa_lf_dbg.u);
do {
npa_lf_dbg.u = npa_af_reg_read(nix_af->npa_af,
NPA_AF_RVU_LF_CFG_DEBUG());
} while (npa_lf_dbg.s.exec);
if (npa_lf_dbg.s.lf_valid)
*npaid = npa_lf_dbg.s.lf;
debug("%s: npa lf_valid %d lf %d npaid %d\n", __func__,
npa_lf_dbg.s.lf_valid, npa_lf_dbg.s.lf, *npaid);
}
struct nix_af *rvu_af_init(struct rvu_af *rvu_af)
{
struct nix_af *nix_af;
union rvu_af_addr_s block_addr;
int err;
nix_af = (struct nix_af *)calloc(1, sizeof(struct nix_af));
if (!nix_af) {
printf("%s: out of memory\n", __func__);
goto error;
}
nix_af->dev = rvu_af->dev;
block_addr.u = 0;
block_addr.s.block = RVU_BLOCK_ADDR_E_NIXX(0);
nix_af->nix_af_base = rvu_af->af_base + block_addr.u;
nix_af->npa_af = (struct npa_af *)calloc(1, sizeof(struct npa_af));
if (!nix_af->npa_af) {
printf("%s: out of memory\n", __func__);
goto error;
}
block_addr.u = 0;
block_addr.s.block = RVU_BLOCK_ADDR_E_NPA;
nix_af->npa_af->npa_af_base = rvu_af->af_base + block_addr.u;
block_addr.u = 0;
block_addr.s.block = RVU_BLOCK_ADDR_E_NPC;
nix_af->npc_af_base = rvu_af->af_base + block_addr.u;
debug("%s: Setting up npa admin\n", __func__);
err = npa_af_setup(nix_af->npa_af);
if (err) {
printf("%s: Error %d setting up NPA admin\n", __func__, err);
goto error;
}
debug("%s: Setting up nix af\n", __func__);
err = nix_af_setup(nix_af);
if (err) {
printf("%s: Error %d setting up NIX admin\n", __func__, err);
goto error;
}
debug("%s: nix_af: %p\n", __func__, nix_af);
return nix_af;
error:
if (nix_af->npa_af) {
free(nix_af->npa_af);
memset(nix_af, 0, sizeof(*nix_af));
}
if (nix_af)
free(nix_af);
return NULL;
}
int rvu_af_probe(struct udevice *dev)
{
struct rvu_af *af_ptr = dev_get_priv(dev);
af_ptr->af_base = dm_pci_map_bar(dev, PCI_BASE_ADDRESS_0,
PCI_REGION_MEM);
debug("%s RVU AF BAR %p\n", __func__, af_ptr->af_base);
af_ptr->dev = dev;
rvu_af_dev = dev;
af_ptr->nix_af = rvu_af_init(af_ptr);
if (!af_ptr->nix_af) {
printf("%s: Error: could not initialize NIX AF\n", __func__);
return -1;
}
debug("%s: Done\n", __func__);
return 0;
}
int rvu_af_remove(struct udevice *dev)
{
struct rvu_af *rvu_af = dev_get_priv(dev);
nix_af_shutdown(rvu_af->nix_af);
npa_af_shutdown(rvu_af->nix_af->npa_af);
npc_af_shutdown(rvu_af->nix_af);
debug("%s: rvu af down --\n", __func__);
return 0;
}
U_BOOT_DRIVER(rvu_af) = {
.name = "rvu_af",
.id = UCLASS_MISC,
.probe = rvu_af_probe,
.remove = rvu_af_remove,
.priv_auto = sizeof(struct rvu_af),
};
static struct pci_device_id rvu_af_supported[] = {
{ PCI_VDEVICE(CAVIUM, PCI_DEVICE_ID_CAVIUM_RVU_AF) },
{}
};
U_BOOT_PCI_DEVICE(rvu_af, rvu_af_supported);