blob: 404cbf60d3f2ffecfc59ffb3308fcabfa2e2949c [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0-only
/* Atlantic Network Driver
*
* Copyright (C) 2014-2019 aQuantia Corporation
* Copyright (C) 2019-2020 Marvell International Ltd.
*/
/* File hw_atl_utils.c: Definition of common functions for Atlantic hardware
* abstraction layer.
*/
#include "../aq_nic.h"
#include "../aq_hw_utils.h"
#include "hw_atl_utils.h"
#include "hw_atl_llh.h"
#include "hw_atl_llh_internal.h"
#include <linux/random.h>
#define HW_ATL_UCP_0X370_REG 0x0370U
#define HW_ATL_MIF_CMD 0x0200U
#define HW_ATL_MIF_ADDR 0x0208U
#define HW_ATL_MIF_VAL 0x020CU
#define HW_ATL_MPI_RPC_ADDR 0x0334U
#define HW_ATL_RPC_CONTROL_ADR 0x0338U
#define HW_ATL_RPC_STATE_ADR 0x033CU
#define HW_ATL_MPI_FW_VERSION 0x18
#define HW_ATL_MPI_CONTROL_ADR 0x0368U
#define HW_ATL_MPI_STATE_ADR 0x036CU
#define HW_ATL_MPI_STATE_MSK 0x00FFU
#define HW_ATL_MPI_STATE_SHIFT 0U
#define HW_ATL_MPI_SPEED_MSK 0x00FF0000U
#define HW_ATL_MPI_SPEED_SHIFT 16U
#define HW_ATL_MPI_DIRTY_WAKE_MSK 0x02000000U
#define HW_ATL_MPI_DAISY_CHAIN_STATUS 0x704
#define HW_ATL_MPI_BOOT_EXIT_CODE 0x388
#define HW_ATL_MAC_PHY_CONTROL 0x4000
#define HW_ATL_MAC_PHY_MPI_RESET_BIT 0x1D
#define HW_ATL_FW_VER_1X 0x01050006U
#define HW_ATL_FW_VER_2X 0x02000000U
#define HW_ATL_FW_VER_3X 0x03000000U
#define HW_ATL_FW_VER_4X 0x04000000U
#define FORCE_FLASHLESS 0
enum mcp_area {
MCP_AREA_CONFIG = 0x80000000,
MCP_AREA_SETTINGS = 0x20000000,
};
static int hw_atl_utils_mpi_set_state(struct aq_hw_s *self,
enum hal_atl_utils_fw_state_e state);
static u32 hw_atl_utils_get_mpi_mbox_tid(struct aq_hw_s *self);
static u32 hw_atl_utils_mpi_get_state(struct aq_hw_s *self);
static u32 hw_atl_utils_mif_cmd_get(struct aq_hw_s *self);
static u32 hw_atl_utils_mif_addr_get(struct aq_hw_s *self);
static u32 hw_atl_utils_rpc_state_get(struct aq_hw_s *self);
static u32 aq_fw1x_rpc_get(struct aq_hw_s *self);
int hw_atl_utils_initfw(struct aq_hw_s *self, const struct aq_fw_ops **fw_ops)
{
int err = 0;
hw_atl_utils_hw_chip_features_init(self,
&self->chip_features);
self->fw_ver_actual = hw_atl_utils_get_fw_version(self);
if (hw_atl_utils_ver_match(HW_ATL_FW_VER_1X, self->fw_ver_actual)) {
*fw_ops = &aq_fw_1x_ops;
} else if (hw_atl_utils_ver_match(HW_ATL_FW_VER_2X, self->fw_ver_actual)) {
*fw_ops = &aq_fw_2x_ops;
} else if (hw_atl_utils_ver_match(HW_ATL_FW_VER_3X, self->fw_ver_actual)) {
*fw_ops = &aq_fw_2x_ops;
} else if (hw_atl_utils_ver_match(HW_ATL_FW_VER_4X, self->fw_ver_actual)) {
*fw_ops = &aq_fw_2x_ops;
} else {
aq_pr_err("Bad FW version detected: %x\n",
self->fw_ver_actual);
return -EOPNOTSUPP;
}
self->aq_fw_ops = *fw_ops;
err = self->aq_fw_ops->init(self);
return err;
}
static int hw_atl_utils_soft_reset_flb(struct aq_hw_s *self)
{
u32 gsr, val;
int k = 0;
aq_hw_write_reg(self, 0x404, 0x40e1);
AQ_HW_SLEEP(50);
/* Cleanup SPI */
val = aq_hw_read_reg(self, 0x53C);
aq_hw_write_reg(self, 0x53C, val | 0x10);
gsr = aq_hw_read_reg(self, HW_ATL_GLB_SOFT_RES_ADR);
aq_hw_write_reg(self, HW_ATL_GLB_SOFT_RES_ADR, (gsr & 0xBFFF) | 0x8000);
/* Kickstart MAC */
aq_hw_write_reg(self, 0x404, 0x80e0);
aq_hw_write_reg(self, 0x32a8, 0x0);
aq_hw_write_reg(self, 0x520, 0x1);
/* Reset SPI again because of possible interrupted SPI burst */
val = aq_hw_read_reg(self, 0x53C);
aq_hw_write_reg(self, 0x53C, val | 0x10);
AQ_HW_SLEEP(10);
/* Clear SPI reset state */
aq_hw_write_reg(self, 0x53C, val & ~0x10);
aq_hw_write_reg(self, 0x404, 0x180e0);
for (k = 0; k < 1000; k++) {
u32 flb_status = aq_hw_read_reg(self,
HW_ATL_MPI_DAISY_CHAIN_STATUS);
flb_status = flb_status & 0x10;
if (flb_status)
break;
AQ_HW_SLEEP(10);
}
if (k == 1000) {
aq_pr_err("MAC kickstart failed\n");
return -EIO;
}
/* FW reset */
aq_hw_write_reg(self, 0x404, 0x80e0);
AQ_HW_SLEEP(50);
aq_hw_write_reg(self, 0x3a0, 0x1);
/* Kickstart PHY - skipped */
/* Global software reset*/
hw_atl_rx_rx_reg_res_dis_set(self, 0U);
hw_atl_tx_tx_reg_res_dis_set(self, 0U);
aq_hw_write_reg_bit(self, HW_ATL_MAC_PHY_CONTROL,
BIT(HW_ATL_MAC_PHY_MPI_RESET_BIT),
HW_ATL_MAC_PHY_MPI_RESET_BIT, 0x0);
gsr = aq_hw_read_reg(self, HW_ATL_GLB_SOFT_RES_ADR);
aq_hw_write_reg(self, HW_ATL_GLB_SOFT_RES_ADR, (gsr & 0xBFFF) | 0x8000);
for (k = 0; k < 1000; k++) {
u32 fw_state = aq_hw_read_reg(self, HW_ATL_MPI_FW_VERSION);
if (fw_state)
break;
AQ_HW_SLEEP(10);
}
if (k == 1000) {
aq_pr_err("FW kickstart failed\n");
return -EIO;
}
/* Old FW requires fixed delay after init */
AQ_HW_SLEEP(15);
return 0;
}
static int hw_atl_utils_soft_reset_rbl(struct aq_hw_s *self)
{
u32 gsr, val, rbl_status;
int k;
aq_hw_write_reg(self, 0x404, 0x40e1);
aq_hw_write_reg(self, 0x3a0, 0x1);
aq_hw_write_reg(self, 0x32a8, 0x0);
/* Alter RBL status */
aq_hw_write_reg(self, 0x388, 0xDEAD);
/* Cleanup SPI */
val = aq_hw_read_reg(self, 0x53C);
aq_hw_write_reg(self, 0x53C, val | 0x10);
/* Global software reset*/
hw_atl_rx_rx_reg_res_dis_set(self, 0U);
hw_atl_tx_tx_reg_res_dis_set(self, 0U);
aq_hw_write_reg_bit(self, HW_ATL_MAC_PHY_CONTROL,
BIT(HW_ATL_MAC_PHY_MPI_RESET_BIT),
HW_ATL_MAC_PHY_MPI_RESET_BIT, 0x0);
gsr = aq_hw_read_reg(self, HW_ATL_GLB_SOFT_RES_ADR);
aq_hw_write_reg(self, HW_ATL_GLB_SOFT_RES_ADR,
(gsr & 0xFFFFBFFF) | 0x8000);
if (FORCE_FLASHLESS)
aq_hw_write_reg(self, 0x534, 0x0);
aq_hw_write_reg(self, 0x404, 0x40e0);
/* Wait for RBL boot */
for (k = 0; k < 1000; k++) {
rbl_status = aq_hw_read_reg(self, 0x388) & 0xFFFF;
if (rbl_status && rbl_status != 0xDEAD)
break;
AQ_HW_SLEEP(10);
}
if (!rbl_status || rbl_status == 0xDEAD) {
aq_pr_err("RBL Restart failed");
return -EIO;
}
/* Restore NVR */
if (FORCE_FLASHLESS)
aq_hw_write_reg(self, 0x534, 0xA0);
if (rbl_status == 0xF1A7) {
aq_pr_err("No FW detected. Dynamic FW load not implemented\n");
return -EOPNOTSUPP;
}
for (k = 0; k < 1000; k++) {
u32 fw_state = aq_hw_read_reg(self, HW_ATL_MPI_FW_VERSION);
if (fw_state)
break;
AQ_HW_SLEEP(10);
}
if (k == 1000) {
aq_pr_err("FW kickstart failed\n");
return -EIO;
}
/* Old FW requires fixed delay after init */
AQ_HW_SLEEP(15);
return 0;
}
int hw_atl_utils_soft_reset(struct aq_hw_s *self)
{
int ver = hw_atl_utils_get_fw_version(self);
u32 boot_exit_code = 0;
u32 val;
int k;
for (k = 0; k < 1000; ++k) {
u32 flb_status = aq_hw_read_reg(self,
HW_ATL_MPI_DAISY_CHAIN_STATUS);
boot_exit_code = aq_hw_read_reg(self,
HW_ATL_MPI_BOOT_EXIT_CODE);
if (flb_status != 0x06000000 || boot_exit_code != 0)
break;
}
if (k == 1000) {
aq_pr_err("Neither RBL nor FLB firmware started\n");
return -EOPNOTSUPP;
}
self->rbl_enabled = (boot_exit_code != 0);
if (hw_atl_utils_ver_match(HW_ATL_FW_VER_1X, ver)) {
int err = 0;
/* FW 1.x may bootup in an invalid POWER state (WOL feature).
* We should work around this by forcing its state back to DEINIT
*/
hw_atl_utils_mpi_set_state(self, MPI_DEINIT);
err = readx_poll_timeout_atomic(hw_atl_utils_mpi_get_state,
self, val,
(val & HW_ATL_MPI_STATE_MSK) ==
MPI_DEINIT,
10, 10000U);
if (err)
return err;
} else if (hw_atl_utils_ver_match(HW_ATL_FW_VER_4X, ver)) {
u64 sem_timeout = aq_hw_read_reg(self, HW_ATL_MIF_RESET_TIMEOUT_ADR);
/* Acquire 2 semaphores before issuing reset for FW 4.x */
if (sem_timeout > 3000)
sem_timeout = 3000;
sem_timeout = sem_timeout * 1000;
if (sem_timeout != 0) {
int err;
err = readx_poll_timeout_atomic(hw_atl_sem_reset1_get, self, val,
val == 1U, 1U, sem_timeout);
if (err)
aq_pr_err("reset sema1 timeout");
err = readx_poll_timeout_atomic(hw_atl_sem_reset2_get, self, val,
val == 1U, 1U, sem_timeout);
if (err)
aq_pr_err("reset sema2 timeout");
}
}
if (self->rbl_enabled)
return hw_atl_utils_soft_reset_rbl(self);
else
return hw_atl_utils_soft_reset_flb(self);
}
int hw_atl_utils_fw_downld_dwords(struct aq_hw_s *self, u32 a,
u32 *p, u32 cnt)
{
int err = 0;
u32 val;
err = readx_poll_timeout_atomic(hw_atl_sem_ram_get,
self, val, val == 1U,
1U, 10000U);
if (err < 0) {
bool is_locked;
hw_atl_reg_glb_cpu_sem_set(self, 1U, HW_ATL_FW_SM_RAM);
is_locked = hw_atl_sem_ram_get(self);
if (!is_locked) {
err = -ETIME;
goto err_exit;
}
}
aq_hw_write_reg(self, HW_ATL_MIF_ADDR, a);
for (++cnt; --cnt && !err;) {
aq_hw_write_reg(self, HW_ATL_MIF_CMD, 0x00008000U);
if (ATL_HW_IS_CHIP_FEATURE(self, REVISION_B1))
err = readx_poll_timeout_atomic(hw_atl_utils_mif_addr_get,
self, val, val != a,
1U, 1000U);
else
err = readx_poll_timeout_atomic(hw_atl_utils_mif_cmd_get,
self, val,
!(val & 0x100),
1U, 1000U);
*(p++) = aq_hw_read_reg(self, HW_ATL_MIF_VAL);
a += 4;
}
hw_atl_reg_glb_cpu_sem_set(self, 1U, HW_ATL_FW_SM_RAM);
err_exit:
return err;
}
static int hw_atl_utils_write_b1_mbox(struct aq_hw_s *self, u32 addr,
u32 *p, u32 cnt, enum mcp_area area)
{
u32 data_offset = 0;
u32 offset = addr;
int err = 0;
u32 val;
switch (area) {
case MCP_AREA_CONFIG:
offset -= self->rpc_addr;
break;
case MCP_AREA_SETTINGS:
offset -= self->settings_addr;
break;
}
offset = offset / sizeof(u32);
for (; data_offset < cnt; ++data_offset, ++offset) {
aq_hw_write_reg(self, 0x328, p[data_offset]);
aq_hw_write_reg(self, 0x32C,
(area | (0xFFFF & (offset * 4))));
hw_atl_mcp_up_force_intr_set(self, 1);
/* 1000 times by 10us = 10ms */
err = readx_poll_timeout_atomic(hw_atl_scrpad12_get,
self, val,
(val & 0xF0000000) !=
area,
10U, 10000U);
if (err < 0)
break;
}
return err;
}
static int hw_atl_utils_write_b0_mbox(struct aq_hw_s *self, u32 addr,
u32 *p, u32 cnt)
{
u32 offset = 0;
int err = 0;
u32 val;
aq_hw_write_reg(self, 0x208, addr);
for (; offset < cnt; ++offset) {
aq_hw_write_reg(self, 0x20C, p[offset]);
aq_hw_write_reg(self, 0x200, 0xC000);
err = readx_poll_timeout_atomic(hw_atl_utils_mif_cmd_get,
self, val,
(val & 0x100) == 0U,
10U, 10000U);
if (err < 0)
break;
}
return err;
}
static int hw_atl_utils_fw_upload_dwords(struct aq_hw_s *self, u32 addr, u32 *p,
u32 cnt, enum mcp_area area)
{
int err = 0;
u32 val;
err = readx_poll_timeout_atomic(hw_atl_sem_ram_get, self,
val, val == 1U,
10U, 100000U);
if (err < 0)
goto err_exit;
if (ATL_HW_IS_CHIP_FEATURE(self, REVISION_B1))
err = hw_atl_utils_write_b1_mbox(self, addr, p, cnt, area);
else
err = hw_atl_utils_write_b0_mbox(self, addr, p, cnt);
hw_atl_reg_glb_cpu_sem_set(self, 1U, HW_ATL_FW_SM_RAM);
if (err < 0)
goto err_exit;
err = aq_hw_err_from_flags(self);
err_exit:
return err;
}
int hw_atl_write_fwcfg_dwords(struct aq_hw_s *self, u32 *p, u32 cnt)
{
return hw_atl_utils_fw_upload_dwords(self, self->rpc_addr, p,
cnt, MCP_AREA_CONFIG);
}
int hw_atl_write_fwsettings_dwords(struct aq_hw_s *self, u32 offset, u32 *p,
u32 cnt)
{
return hw_atl_utils_fw_upload_dwords(self, self->settings_addr + offset,
p, cnt, MCP_AREA_SETTINGS);
}
bool hw_atl_utils_ver_match(u32 ver_expected, u32 ver_actual)
{
const u32 dw_major_mask = 0xff000000U;
const u32 dw_minor_mask = 0x00ffffffU;
bool ver_match;
ver_match = (dw_major_mask & (ver_expected ^ ver_actual)) ? false : true;
if (!ver_match)
goto err_exit;
ver_match = ((dw_minor_mask & ver_expected) > (dw_minor_mask & ver_actual)) ?
false : true;
err_exit:
return ver_match;
}
static int hw_atl_utils_init_ucp(struct aq_hw_s *self,
const struct aq_hw_caps_s *aq_hw_caps)
{
int err = 0;
if (!aq_hw_read_reg(self, 0x370U)) {
unsigned int rnd = 0U;
unsigned int ucp_0x370 = 0U;
get_random_bytes(&rnd, sizeof(unsigned int));
ucp_0x370 = 0x02020202U | (0xFEFEFEFEU & rnd);
aq_hw_write_reg(self, HW_ATL_UCP_0X370_REG, ucp_0x370);
}
hw_atl_reg_glb_cpu_scratch_scp_set(self, 0x00000000U, 25U);
/* check 10 times by 1ms */
err = readx_poll_timeout_atomic(hw_atl_scrpad25_get,
self, self->mbox_addr,
self->mbox_addr != 0U,
1000U, 10000U);
err = readx_poll_timeout_atomic(aq_fw1x_rpc_get, self,
self->rpc_addr,
self->rpc_addr != 0U,
1000U, 100000U);
return err;
}
struct aq_hw_atl_utils_fw_rpc_tid_s {
union {
u32 val;
struct {
u16 tid;
u16 len;
};
};
};
#define hw_atl_utils_fw_rpc_init(_H_) hw_atl_utils_fw_rpc_wait(_H_, NULL)
int hw_atl_utils_fw_rpc_call(struct aq_hw_s *self, unsigned int rpc_size)
{
struct aq_hw_atl_utils_fw_rpc_tid_s sw;
int err = 0;
if (!ATL_HW_IS_CHIP_FEATURE(self, MIPS)) {
err = -1;
goto err_exit;
}
err = hw_atl_write_fwcfg_dwords(self, (u32 *)(void *)&self->rpc,
(rpc_size + sizeof(u32) -
sizeof(u8)) / sizeof(u32));
if (err < 0)
goto err_exit;
sw.tid = 0xFFFFU & (++self->rpc_tid);
sw.len = (u16)rpc_size;
aq_hw_write_reg(self, HW_ATL_RPC_CONTROL_ADR, sw.val);
err_exit:
return err;
}
int hw_atl_utils_fw_rpc_wait(struct aq_hw_s *self,
struct hw_atl_utils_fw_rpc **rpc)
{
struct aq_hw_atl_utils_fw_rpc_tid_s sw;
struct aq_hw_atl_utils_fw_rpc_tid_s fw;
int err = 0;
do {
sw.val = aq_hw_read_reg(self, HW_ATL_RPC_CONTROL_ADR);
self->rpc_tid = sw.tid;
err = readx_poll_timeout_atomic(hw_atl_utils_rpc_state_get,
self, fw.val,
sw.tid == fw.tid,
1000U, 100000U);
if (err < 0)
goto err_exit;
err = aq_hw_err_from_flags(self);
if (err < 0)
goto err_exit;
if (fw.len == 0xFFFFU) {
err = hw_atl_utils_fw_rpc_call(self, sw.len);
if (err < 0)
goto err_exit;
}
} while (sw.tid != fw.tid || 0xFFFFU == fw.len);
if (rpc) {
if (fw.len) {
err =
hw_atl_utils_fw_downld_dwords(self,
self->rpc_addr,
(u32 *)(void *)
&self->rpc,
(fw.len + sizeof(u32) -
sizeof(u8)) /
sizeof(u32));
if (err < 0)
goto err_exit;
}
*rpc = &self->rpc;
}
err_exit:
return err;
}
static int hw_atl_utils_mpi_create(struct aq_hw_s *self)
{
int err = 0;
err = hw_atl_utils_init_ucp(self, self->aq_nic_cfg->aq_hw_caps);
if (err < 0)
goto err_exit;
err = hw_atl_utils_fw_rpc_init(self);
if (err < 0)
goto err_exit;
err_exit:
return err;
}
int hw_atl_utils_mpi_read_mbox(struct aq_hw_s *self,
struct hw_atl_utils_mbox_header *pmbox)
{
return hw_atl_utils_fw_downld_dwords(self,
self->mbox_addr,
(u32 *)(void *)pmbox,
sizeof(*pmbox) / sizeof(u32));
}
void hw_atl_utils_mpi_read_stats(struct aq_hw_s *self,
struct hw_atl_utils_mbox *pmbox)
{
int err = 0;
err = hw_atl_utils_fw_downld_dwords(self,
self->mbox_addr,
(u32 *)(void *)pmbox,
sizeof(*pmbox) / sizeof(u32));
if (err < 0)
goto err_exit;
if (ATL_HW_IS_CHIP_FEATURE(self, REVISION_A0)) {
unsigned int mtu = self->aq_nic_cfg ?
self->aq_nic_cfg->mtu : 1514U;
pmbox->stats.ubrc = pmbox->stats.uprc * mtu;
pmbox->stats.ubtc = pmbox->stats.uptc * mtu;
pmbox->stats.dpc = atomic_read(&self->dpc);
} else {
pmbox->stats.dpc = hw_atl_rpb_rx_dma_drop_pkt_cnt_get(self);
}
err_exit:;
}
static int hw_atl_utils_mpi_set_speed(struct aq_hw_s *self, u32 speed)
{
u32 val = aq_hw_read_reg(self, HW_ATL_MPI_CONTROL_ADR);
val = val & ~HW_ATL_MPI_SPEED_MSK;
val |= speed << HW_ATL_MPI_SPEED_SHIFT;
aq_hw_write_reg(self, HW_ATL_MPI_CONTROL_ADR, val);
return 0;
}
static int hw_atl_utils_mpi_set_state(struct aq_hw_s *self,
enum hal_atl_utils_fw_state_e state)
{
u32 val = aq_hw_read_reg(self, HW_ATL_MPI_CONTROL_ADR);
struct hw_atl_utils_mbox_header mbox;
u32 transaction_id = 0;
int err = 0;
if (state == MPI_RESET) {
hw_atl_utils_mpi_read_mbox(self, &mbox);
transaction_id = mbox.transaction_id;
err = readx_poll_timeout_atomic(hw_atl_utils_get_mpi_mbox_tid,
self, mbox.transaction_id,
transaction_id !=
mbox.transaction_id,
1000U, 100000U);
if (err < 0)
goto err_exit;
}
/* On interface DEINIT we disable DW (raise bit)
* Otherwise enable DW (clear bit)
*/
if (state == MPI_DEINIT || state == MPI_POWER)
val |= HW_ATL_MPI_DIRTY_WAKE_MSK;
else
val &= ~HW_ATL_MPI_DIRTY_WAKE_MSK;
/* Set new state bits */
val = val & ~HW_ATL_MPI_STATE_MSK;
val |= state & HW_ATL_MPI_STATE_MSK;
aq_hw_write_reg(self, HW_ATL_MPI_CONTROL_ADR, val);
err_exit:
return err;
}
int hw_atl_utils_mpi_get_link_status(struct aq_hw_s *self)
{
struct aq_hw_link_status_s *link_status = &self->aq_link_status;
u32 mpi_state;
u32 speed;
mpi_state = hw_atl_utils_mpi_get_state(self);
speed = mpi_state >> HW_ATL_MPI_SPEED_SHIFT;
if (!speed) {
link_status->mbps = 0U;
} else {
switch (speed) {
case HAL_ATLANTIC_RATE_10G:
link_status->mbps = 10000U;
break;
case HAL_ATLANTIC_RATE_5G:
case HAL_ATLANTIC_RATE_5GSR:
link_status->mbps = 5000U;
break;
case HAL_ATLANTIC_RATE_2G5:
link_status->mbps = 2500U;
break;
case HAL_ATLANTIC_RATE_1G:
link_status->mbps = 1000U;
break;
case HAL_ATLANTIC_RATE_100M:
link_status->mbps = 100U;
break;
default:
return -EBUSY;
}
}
link_status->full_duplex = true;
return 0;
}
int hw_atl_utils_get_mac_permanent(struct aq_hw_s *self,
u8 *mac)
{
u32 mac_addr[2];
u32 efuse_addr;
int err = 0;
u32 h = 0U;
u32 l = 0U;
if (!aq_hw_read_reg(self, HW_ATL_UCP_0X370_REG)) {
unsigned int ucp_0x370 = 0;
unsigned int rnd = 0;
get_random_bytes(&rnd, sizeof(unsigned int));
ucp_0x370 = 0x02020202 | (0xFEFEFEFE & rnd);
aq_hw_write_reg(self, HW_ATL_UCP_0X370_REG, ucp_0x370);
}
efuse_addr = aq_hw_read_reg(self, 0x00000374U);
err = hw_atl_utils_fw_downld_dwords(self, efuse_addr + (40U * 4U),
mac_addr, ARRAY_SIZE(mac_addr));
if (err < 0) {
mac_addr[0] = 0U;
mac_addr[1] = 0U;
err = 0;
} else {
mac_addr[0] = __swab32(mac_addr[0]);
mac_addr[1] = __swab32(mac_addr[1]);
}
ether_addr_copy(mac, (u8 *)mac_addr);
if ((mac[0] & 0x01U) || ((mac[0] | mac[1] | mac[2]) == 0x00U)) {
/* chip revision */
l = 0xE3000000U |
(0xFFFFU & aq_hw_read_reg(self, HW_ATL_UCP_0X370_REG)) |
(0x00 << 16);
h = 0x8001300EU;
mac[5] = (u8)(0xFFU & l);
l >>= 8;
mac[4] = (u8)(0xFFU & l);
l >>= 8;
mac[3] = (u8)(0xFFU & l);
l >>= 8;
mac[2] = (u8)(0xFFU & l);
mac[1] = (u8)(0xFFU & h);
h >>= 8;
mac[0] = (u8)(0xFFU & h);
}
return err;
}
unsigned int hw_atl_utils_mbps_2_speed_index(unsigned int mbps)
{
unsigned int ret = 0U;
switch (mbps) {
case 100U:
ret = 5U;
break;
case 1000U:
ret = 4U;
break;
case 2500U:
ret = 3U;
break;
case 5000U:
ret = 1U;
break;
case 10000U:
ret = 0U;
break;
default:
break;
}
return ret;
}
void hw_atl_utils_hw_chip_features_init(struct aq_hw_s *self, u32 *p)
{
u32 val = hw_atl_reg_glb_mif_id_get(self);
u32 mif_rev = val & 0xFFU;
u32 chip_features = 0U;
chip_features |= ATL_HW_CHIP_ATLANTIC;
if ((0xFU & mif_rev) == 1U) {
chip_features |= ATL_HW_CHIP_REVISION_A0 |
ATL_HW_CHIP_MPI_AQ |
ATL_HW_CHIP_MIPS;
} else if ((0xFU & mif_rev) == 2U) {
chip_features |= ATL_HW_CHIP_REVISION_B0 |
ATL_HW_CHIP_MPI_AQ |
ATL_HW_CHIP_MIPS |
ATL_HW_CHIP_TPO2 |
ATL_HW_CHIP_RPF2;
} else if ((0xFU & mif_rev) == 0xAU) {
chip_features |= ATL_HW_CHIP_REVISION_B1 |
ATL_HW_CHIP_MPI_AQ |
ATL_HW_CHIP_MIPS |
ATL_HW_CHIP_TPO2 |
ATL_HW_CHIP_RPF2;
}
*p = chip_features;
}
static int hw_atl_fw1x_deinit(struct aq_hw_s *self)
{
hw_atl_utils_mpi_set_speed(self, 0);
hw_atl_utils_mpi_set_state(self, MPI_DEINIT);
return 0;
}
int hw_atl_utils_update_stats(struct aq_hw_s *self)
{
struct aq_stats_s *cs = &self->curr_stats;
struct hw_atl_utils_mbox mbox;
hw_atl_utils_mpi_read_stats(self, &mbox);
#define AQ_SDELTA(_N_) (self->curr_stats._N_ += \
mbox.stats._N_ - self->last_stats._N_)
if (self->aq_link_status.mbps) {
AQ_SDELTA(uprc);
AQ_SDELTA(mprc);
AQ_SDELTA(bprc);
AQ_SDELTA(erpt);
AQ_SDELTA(uptc);
AQ_SDELTA(mptc);
AQ_SDELTA(bptc);
AQ_SDELTA(erpr);
AQ_SDELTA(ubrc);
AQ_SDELTA(ubtc);
AQ_SDELTA(mbrc);
AQ_SDELTA(mbtc);
AQ_SDELTA(bbrc);
AQ_SDELTA(bbtc);
AQ_SDELTA(dpc);
}
#undef AQ_SDELTA
cs->dma_pkt_rc = hw_atl_stats_rx_dma_good_pkt_counter_get(self);
cs->dma_pkt_tc = hw_atl_stats_tx_dma_good_pkt_counter_get(self);
cs->dma_oct_rc = hw_atl_stats_rx_dma_good_octet_counter_get(self);
cs->dma_oct_tc = hw_atl_stats_tx_dma_good_octet_counter_get(self);
memcpy(&self->last_stats, &mbox.stats, sizeof(mbox.stats));
return 0;
}
struct aq_stats_s *hw_atl_utils_get_hw_stats(struct aq_hw_s *self)
{
return &self->curr_stats;
}
static const u32 hw_atl_utils_hw_mac_regs[] = {
0x00005580U, 0x00005590U, 0x000055B0U, 0x000055B4U,
0x000055C0U, 0x00005B00U, 0x00005B04U, 0x00005B08U,
0x00005B0CU, 0x00005B10U, 0x00005B14U, 0x00005B18U,
0x00005B1CU, 0x00005B20U, 0x00005B24U, 0x00005B28U,
0x00005B2CU, 0x00005B30U, 0x00005B34U, 0x00005B38U,
0x00005B3CU, 0x00005B40U, 0x00005B44U, 0x00005B48U,
0x00005B4CU, 0x00005B50U, 0x00005B54U, 0x00005B58U,
0x00005B5CU, 0x00005B60U, 0x00005B64U, 0x00005B68U,
0x00005B6CU, 0x00005B70U, 0x00005B74U, 0x00005B78U,
0x00005B7CU, 0x00007C00U, 0x00007C04U, 0x00007C08U,
0x00007C0CU, 0x00007C10U, 0x00007C14U, 0x00007C18U,
0x00007C1CU, 0x00007C20U, 0x00007C40U, 0x00007C44U,
0x00007C48U, 0x00007C4CU, 0x00007C50U, 0x00007C54U,
0x00007C58U, 0x00007C5CU, 0x00007C60U, 0x00007C80U,
0x00007C84U, 0x00007C88U, 0x00007C8CU, 0x00007C90U,
0x00007C94U, 0x00007C98U, 0x00007C9CU, 0x00007CA0U,
0x00007CC0U, 0x00007CC4U, 0x00007CC8U, 0x00007CCCU,
0x00007CD0U, 0x00007CD4U, 0x00007CD8U, 0x00007CDCU,
0x00007CE0U, 0x00000300U, 0x00000304U, 0x00000308U,
0x0000030cU, 0x00000310U, 0x00000314U, 0x00000318U,
0x0000031cU, 0x00000360U, 0x00000364U, 0x00000368U,
0x0000036cU, 0x00000370U, 0x00000374U, 0x00006900U,
};
int hw_atl_utils_hw_get_regs(struct aq_hw_s *self,
const struct aq_hw_caps_s *aq_hw_caps,
u32 *regs_buff)
{
unsigned int i = 0U;
for (i = 0; i < aq_hw_caps->mac_regs_count; i++)
regs_buff[i] = aq_hw_read_reg(self,
hw_atl_utils_hw_mac_regs[i]);
return 0;
}
u32 hw_atl_utils_get_fw_version(struct aq_hw_s *self)
{
return aq_hw_read_reg(self, HW_ATL_MPI_FW_VERSION);
}
static int aq_fw1x_set_wake_magic(struct aq_hw_s *self, bool wol_enabled,
u8 *mac)
{
struct hw_atl_utils_fw_rpc *prpc = NULL;
unsigned int rpc_size = 0U;
int err = 0;
err = hw_atl_utils_fw_rpc_wait(self, &prpc);
if (err < 0)
goto err_exit;
memset(prpc, 0, sizeof(*prpc));
if (wol_enabled) {
rpc_size = offsetof(struct hw_atl_utils_fw_rpc, msg_wol_add) +
sizeof(prpc->msg_wol_add);
prpc->msg_id = HAL_ATLANTIC_UTILS_FW_MSG_WOL_ADD;
prpc->msg_wol_add.priority =
HAL_ATLANTIC_UTILS_FW_MSG_WOL_PRIOR;
prpc->msg_wol_add.pattern_id =
HAL_ATLANTIC_UTILS_FW_MSG_WOL_PATTERN;
prpc->msg_wol_add.packet_type =
HAL_ATLANTIC_UTILS_FW_MSG_WOL_MAG_PKT;
ether_addr_copy((u8 *)&prpc->msg_wol_add.magic_packet_pattern,
mac);
} else {
rpc_size = sizeof(prpc->msg_wol_remove) +
offsetof(struct hw_atl_utils_fw_rpc, msg_wol_remove);
prpc->msg_id = HAL_ATLANTIC_UTILS_FW_MSG_WOL_DEL;
prpc->msg_wol_add.pattern_id =
HAL_ATLANTIC_UTILS_FW_MSG_WOL_PATTERN;
}
err = hw_atl_utils_fw_rpc_call(self, rpc_size);
err_exit:
return err;
}
static int aq_fw1x_set_power(struct aq_hw_s *self, unsigned int power_state,
u8 *mac)
{
struct hw_atl_utils_fw_rpc *prpc = NULL;
unsigned int rpc_size = 0U;
int err = 0;
if (self->aq_nic_cfg->wol & WAKE_MAGIC) {
err = aq_fw1x_set_wake_magic(self, 1, mac);
if (err < 0)
goto err_exit;
rpc_size = sizeof(prpc->msg_id) +
sizeof(prpc->msg_enable_wakeup);
err = hw_atl_utils_fw_rpc_wait(self, &prpc);
if (err < 0)
goto err_exit;
memset(prpc, 0, rpc_size);
prpc->msg_id = HAL_ATLANTIC_UTILS_FW_MSG_ENABLE_WAKEUP;
prpc->msg_enable_wakeup.pattern_mask = 0x00000002;
err = hw_atl_utils_fw_rpc_call(self, rpc_size);
if (err < 0)
goto err_exit;
}
hw_atl_utils_mpi_set_speed(self, 0);
hw_atl_utils_mpi_set_state(self, MPI_POWER);
err_exit:
return err;
}
static u32 hw_atl_utils_get_mpi_mbox_tid(struct aq_hw_s *self)
{
struct hw_atl_utils_mbox_header mbox;
hw_atl_utils_mpi_read_mbox(self, &mbox);
return mbox.transaction_id;
}
static u32 hw_atl_utils_mpi_get_state(struct aq_hw_s *self)
{
return aq_hw_read_reg(self, HW_ATL_MPI_STATE_ADR);
}
static u32 hw_atl_utils_mif_cmd_get(struct aq_hw_s *self)
{
return aq_hw_read_reg(self, HW_ATL_MIF_CMD);
}
static u32 hw_atl_utils_mif_addr_get(struct aq_hw_s *self)
{
return aq_hw_read_reg(self, HW_ATL_MIF_ADDR);
}
static u32 hw_atl_utils_rpc_state_get(struct aq_hw_s *self)
{
return aq_hw_read_reg(self, HW_ATL_RPC_STATE_ADR);
}
static u32 aq_fw1x_rpc_get(struct aq_hw_s *self)
{
return aq_hw_read_reg(self, HW_ATL_MPI_RPC_ADDR);
}
const struct aq_fw_ops aq_fw_1x_ops = {
.init = hw_atl_utils_mpi_create,
.deinit = hw_atl_fw1x_deinit,
.reset = NULL,
.get_mac_permanent = hw_atl_utils_get_mac_permanent,
.set_link_speed = hw_atl_utils_mpi_set_speed,
.set_state = hw_atl_utils_mpi_set_state,
.update_link_status = hw_atl_utils_mpi_get_link_status,
.update_stats = hw_atl_utils_update_stats,
.get_mac_temp = NULL,
.get_phy_temp = NULL,
.set_power = aq_fw1x_set_power,
.set_eee_rate = NULL,
.get_eee_rate = NULL,
.set_flow_control = NULL,
.send_fw_request = NULL,
.enable_ptp = NULL,
.led_control = NULL,
};