diff options
Diffstat (limited to 'src/drivers/net/marvell/atl_hw.c')
| -rw-r--r-- | src/drivers/net/marvell/atl_hw.c | 321 |
1 files changed, 321 insertions, 0 deletions
diff --git a/src/drivers/net/marvell/atl_hw.c b/src/drivers/net/marvell/atl_hw.c new file mode 100644 index 00000000..2dddb718 --- /dev/null +++ b/src/drivers/net/marvell/atl_hw.c @@ -0,0 +1,321 @@ +/** @file + * + * Marvell AQtion family network card driver, hardware-specific functions. + * + * Copyright(C) 2017-2021 Marvell + * + * SPDX-License-Identifier: BSD-2-Clause + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO,THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR HOLDER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; + * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +FILE_LICENCE ( BSD2 ); + +#include <errno.h> +#include <stdio.h> +#include <unistd.h> +#include <byteswap.h> +#include <ipxe/pci.h> +#include "aqc1xx.h" +#include "atl_hw.h" +#include <compiler.h> + + +int atl_hw_reset_flb_ ( struct atl_nic *nic ) +{ + uint32_t val; + int k = 0; + + ATL_WRITE_REG ( ATL_GLB_CTRL2_MBOX_ERR_UP_RUN_STALL, ATL_GLB_CTRL2 ); + mdelay ( ATL_DELAY_50_MNS ); + + /* Cleanup SPI */ + val = ATL_READ_REG ( ATL_GLB_NVR_PROV4 ); + ATL_WRITE_REG ( val | ATL_GBL_NVR_PROV4_RESET, ATL_GLB_NVR_PROV4 ); + + ATL_WRITE_REG( (ATL_READ_REG(ATL_GLB_STD_CTRL) & + ~ATL_GLB_CTRL_RST_DIS) | ATL_GLB_STD_CTRL_RESET, + ATL_GLB_STD_CTRL ); + + /* Kickstart MAC */ + ATL_WRITE_REG ( ATL_GLB_CTRL2_FW_RESET, ATL_GLB_CTRL2 ); + ATL_WRITE_REG ( ATL_MIF_PWR_GATING_EN_CTRL_RESET, + ATL_MIF_PWR_GATING_EN_CTRL ); + + ATL_WRITE_REG ( ATL_GEN_PROV9_ENABLE, ATL_GEN_PROV9 ); + + /* Reset SPI again because of possible interrupted SPI burst */ + val = ATL_READ_REG ( ATL_GLB_NVR_PROV4 ); + ATL_WRITE_REG ( val | ATL_GBL_NVR_PROV4_RESET, ATL_GLB_NVR_PROV4 ); + mdelay ( ATL_DELAY_10_MNS ); + /* Clear SPI reset state */ + ATL_WRITE_REG ( val & ~ATL_GBL_NVR_PROV4_RESET, ATL_GLB_NVR_PROV4 ); + + /* MAC Kickstart */ + ATL_WRITE_REG ( ATL_GLB_CTRL2_MAC_KICK_START, ATL_GLB_CTRL2 ); + + for (k = 0; k < 1000; k++) { + uint32_t flb_status = ATL_READ_REG ( ATL_MPI_DAISY_CHAIN_STS ); + + flb_status = flb_status & FLB_LOAD_STS; + if ( flb_status ) + break; + mdelay ( ATL_DELAY_10_MNS ); + } + if ( k == 1000 ) { + DBGC (nic, "MAC kickstart failed\n" ); + return -EIO; + } + + /* FW reset */ + ATL_WRITE_REG ( ATL_GLB_CTRL2_FW_RESET, ATL_GLB_CTRL2 ); + mdelay ( ATL_DELAY_50_MNS ); + + ATL_WRITE_REG ( ATL_GBL_MCP_SEM1_RELEASE, ATL_GLB_MCP_SEM1 ); + + /* Global software reset*/ + ATL_WRITE_REG ( ATL_READ_REG ( ATL_RX_CTRL ) & + ~ATL_RX_CTRL_RST_DIS, ATL_RX_CTRL ); + ATL_WRITE_REG ( ATL_READ_REG ( ATL_TX_CTRL ) & + ~ATL_TX_CTRL_RST_DIS, ATL_TX_CTRL ); + + ATL_WRITE_REG ( ATL_READ_REG ( ATL_MAC_PHY_CTRL ) & + ~ATL_MAC_PHY_CTRL_RST_DIS, ATL_MAC_PHY_CTRL ); + + ATL_WRITE_REG ( ( ATL_READ_REG ( ATL_GLB_STD_CTRL ) & + ~ATL_GLB_CTRL_RST_DIS) | ATL_GLB_STD_CTRL_RESET, + ATL_GLB_STD_CTRL ); + + for (k = 0; k < 1000; k++) { + u32 fw_state = ATL_READ_REG ( ATL_FW_VER ); + + if ( fw_state ) + break; + mdelay ( ATL_DELAY_10_MNS ); + } + if ( k == 1000 ) { + DBGC ( nic, "FW kickstart failed\n" ); + return -EIO; + } + /* Old FW requires fixed delay after init */ + mdelay ( ATL_DELAY_15_MNS ); + + return 0; +} + +int atl_hw_reset_rbl_ ( struct atl_nic *nic ) +{ + uint32_t val, rbl_status; + int k; + + ATL_WRITE_REG ( ATL_GLB_CTRL2_MBOX_ERR_UP_RUN_STALL, ATL_GLB_CTRL2 ); + ATL_WRITE_REG ( ATL_GBL_MCP_SEM1_RELEASE, ATL_GLB_MCP_SEM1 ); + ATL_WRITE_REG ( ATL_MIF_PWR_GATING_EN_CTRL_RESET, + ATL_MIF_PWR_GATING_EN_CTRL ); + + /* Alter RBL status */ + ATL_WRITE_REG ( POISON_SIGN, ATL_MPI_BOOT_EXIT_CODE ); + + /* Cleanup SPI */ + val = ATL_READ_REG ( ATL_GLB_NVR_PROV4 ); + ATL_WRITE_REG ( val | ATL_GBL_NVR_PROV4_RESET, ATL_GLB_NVR_PROV4 ); + + /* Global software reset*/ + ATL_WRITE_REG ( ATL_READ_REG(ATL_RX_CTRL) & ~ATL_RX_CTRL_RST_DIS, + ATL_RX_CTRL ); + ATL_WRITE_REG ( ATL_READ_REG(ATL_TX_CTRL) & ~ATL_TX_CTRL_RST_DIS, + ATL_TX_CTRL ); + ATL_WRITE_REG ( ATL_READ_REG(ATL_MAC_PHY_CTRL) & + ~ATL_MAC_PHY_CTRL_RST_DIS, ATL_MAC_PHY_CTRL ); + + ATL_WRITE_REG ( (ATL_READ_REG(ATL_GLB_STD_CTRL) & + ~ATL_GLB_CTRL_RST_DIS) | ATL_GLB_STD_CTRL_RESET, + ATL_GLB_STD_CTRL ); + + ATL_WRITE_REG ( ATL_GLB_CTRL2_MBOX_ERR_UP_RUN_NORMAL, ATL_GLB_CTRL2 ); + + /* Wait for RBL boot */ + for ( k = 0; k < 1000; k++ ) { + rbl_status = ATL_READ_REG ( ATL_MPI_BOOT_EXIT_CODE ) & 0xFFFF; + if ( rbl_status && rbl_status != POISON_SIGN ) + break; + mdelay ( ATL_DELAY_10_MNS ); + } + if ( !rbl_status || rbl_status == POISON_SIGN ) { + DBGC ( nic, "RBL Restart failed\n" ); + return -EIO; + } + + if ( rbl_status == FW_NOT_SUPPORT ) + return -ENOTSUP; + + for ( k = 0; k < 1000; k++ ) { + u32 fw_state = ATL_READ_REG ( ATL_FW_VER ); + + if ( fw_state ) + break; + mdelay ( ATL_DELAY_10_MNS ); + } + if ( k == 1000 ) { + DBGC ( nic, "FW kickstart failed\n" ); + return -EIO; + } + /* Old FW requires fixed delay after init */ + mdelay ( ATL_DELAY_15_MNS ); + + return 0; +} + +int atl_hw_reset ( struct atl_nic *nic ) +{ + uint32_t boot_exit_code = 0; + uint32_t k; + int rbl_enabled; + uint32_t fw_ver; + uint32_t sem_timeout; + + for ( k = 0; k < 1000; ++k ) { + uint32_t flb_status = ATL_READ_REG ( ATL_MPI_DAISY_CHAIN_STS ); + boot_exit_code = ATL_READ_REG ( ATL_MPI_BOOT_EXIT_CODE ); + if ( flb_status != ATL_MPI_DAISY_CHAIN_STS_ERROR_STATUS || + boot_exit_code != 0 ) + break; + } + + if ( k == 1000 ) { + DBGC ( nic, "Neither RBL nor FLB firmware started\n" ); + return -ENOTSUP; + } + + rbl_enabled = (boot_exit_code != 0); + + fw_ver = ATL_READ_REG ( ATL_FW_VER ); + if ( ((fw_ver >> 24) & 0xFF) >= 4 ) { + sem_timeout = ATL_READ_REG ( ATL_SEM_TIMEOUT ); + if ( sem_timeout > ATL_SEM_MAX_TIMEOUT ) + sem_timeout = ATL_SEM_MAX_TIMEOUT; + + for ( k = 0; k < sem_timeout; ++k ) { + if ( ATL_READ_REG ( ATL_GLB_MCP_SEM4) ) + break; + + mdelay (ATL_DELAY_1_MNS); + } + for ( k = 0; k < sem_timeout; ++k ) { + if (ATL_READ_REG ( ATL_GLB_MCP_SEM5) ) + break; + + mdelay ( ATL_DELAY_1_MNS ); + } + } + + + if ( rbl_enabled ) + return atl_hw_reset_rbl_ ( nic ); + else + return atl_hw_reset_flb_ ( nic ); +} + +int atl_hw_start ( struct atl_nic *nic ) +{ + ATL_WRITE_REG ( ATL_LINK_ADV_AUTONEG, ATL_LINK_ADV ); + return 0; +} + +int atl_hw_stop ( struct atl_nic *nic ) +{ + ATL_WRITE_REG ( ATL_SHUT_LINK, ATL_LINK_ADV ); + return 0; +} + +int atl_hw_get_link ( struct atl_nic *nic ) +{ + return ( ATL_READ_REG ( ATL_LINK_ST) & ATL_LINK_ADV_AUTONEG ) != 0; +} + +int atl_hw_read_mem ( struct atl_nic *nic, uint32_t addr, uint32_t *buffer, + uint32_t size ) +{ + uint32_t i; + + for ( i = 0; i < 100; ++i ) { + if ( ATL_READ_REG( ATL_SEM_RAM) ) + break; + mdelay ( ATL_DELAY_1_MNS ); + } + if ( i == 100 ) { + DBGC (nic, "Semaphore Register not set\n" ); + return -EIO; + } + + ATL_WRITE_REG ( addr, ATL_MBOX_CTRL3 ); + + for ( i = 0; i < size; ++i, addr += 4 ) { + uint32_t j; + + ATL_WRITE_REG ( ATL_MBOX_CTRL1_START_MBOX_OPT, ATL_MBOX_CTRL1 ); + for ( j = 0; j < 10000; ++j ) { + if ( ATL_READ_REG (ATL_MBOX_CTRL3 ) != addr ) + break; + udelay ( ATL_DELAY_10_MNS ); + } + if ( j == 10000 ) { + DBGC (nic, "Reading from CTRL3 Register Failed\n" ); + return -EIO; + } + + buffer[i] = ATL_READ_REG ( ATL_MBOX_CTRL5 ); + } + + ATL_WRITE_REG( ATL_SEM_RAM_RESET, ATL_SEM_RAM ); + + return 0; +} + +int atl_hw_get_mac ( struct atl_nic *nic, uint8_t *mac ) +{ + uint32_t mac_addr[2] = {0}; + int err = 0; + uint32_t efuse_addr = ATL_READ_REG ( ATL_GLB_MCP_SP26 ); + + if ( efuse_addr != 0) { + uint32_t mac_efuse_addr = efuse_addr + 40 * sizeof(uint32_t); + err = atl_hw_read_mem ( nic, mac_efuse_addr, mac_addr, 2 ); + if ( err != 0 ) + return err; + + mac_addr[0] = cpu_to_be32 ( mac_addr[0] ); + mac_addr[1] = cpu_to_be32 ( mac_addr[1] ); + + memcpy ( mac, (uint8_t *)mac_addr, ATL_MAC_ADDRESS_SIZE ); + } + return 0; +} + +struct atl_hw_ops atl_hw = { + .reset = atl_hw_reset, + .start = atl_hw_start, + .stop = atl_hw_stop, + .get_link = atl_hw_get_link, + .get_mac = atl_hw_get_mac, +};
\ No newline at end of file |