mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-05 19:10:13 +00:00
8909066199
This function is also available as ofnode_is_enabled(), so use that instead. Signed-off-by: Simon Glass <sjg@chromium.org>
3370 lines
97 KiB
C
3370 lines
97 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright 2016-2018 NXP
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* Copyright 2018, Sensor-Technik Wiedemann GmbH
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* Copyright 2018-2019, Vladimir Oltean <olteanv@gmail.com>
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* Copyright 2020-2021 NXP
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*
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* Ported from Linux (drivers/net/dsa/sja1105/).
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*/
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#include <common.h>
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#include <dm/device_compat.h>
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#include <linux/bitops.h>
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#include <linux/bitrev.h>
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#include <linux/errno.h>
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#include <linux/delay.h>
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#include <linux/if_ether.h>
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#include <linux/if_vlan.h>
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#include <linux/types.h>
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#include <net/dsa.h>
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#include <stdlib.h>
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#include <spi.h>
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#include <miiphy.h>
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#include <dm/of_extra.h>
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enum packing_op {
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PACK,
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UNPACK,
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};
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#define ETHER_CRC32_POLY 0x04C11DB7
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#define ETH_P_SJA1105 0xdadb
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#define SJA1105_NUM_PORTS 5
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#define SJA1110_NUM_PORTS 11
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#define SJA1105_MAX_NUM_PORTS SJA1110_NUM_PORTS
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#define SJA1105_NUM_TC 8
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#define SJA1105ET_FDB_BIN_SIZE 4
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#define SJA1105_SIZE_CGU_CMD 4
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#define SJA1105_SIZE_RESET_CMD 4
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#define SJA1105_SIZE_MDIO_CMD 4
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#define SJA1105_SIZE_SPI_MSG_HEADER 4
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#define SJA1105_SIZE_SPI_MSG_MAXLEN (64 * 4)
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#define SJA1105_SIZE_DEVICE_ID 4
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#define SJA1105_SIZE_TABLE_HEADER 12
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#define SJA1105_SIZE_L2_POLICING_ENTRY 8
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#define SJA1105_SIZE_VLAN_LOOKUP_ENTRY 8
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#define SJA1110_SIZE_VLAN_LOOKUP_ENTRY 12
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#define SJA1105_SIZE_L2_FORWARDING_ENTRY 8
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#define SJA1105_SIZE_L2_FORWARDING_PARAMS_ENTRY 12
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#define SJA1105_SIZE_XMII_PARAMS_ENTRY 4
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#define SJA1110_SIZE_XMII_PARAMS_ENTRY 8
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#define SJA1105ET_SIZE_MAC_CONFIG_ENTRY 28
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#define SJA1105ET_SIZE_GENERAL_PARAMS_ENTRY 40
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#define SJA1105PQRS_SIZE_MAC_CONFIG_ENTRY 32
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#define SJA1105PQRS_SIZE_GENERAL_PARAMS_ENTRY 44
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#define SJA1110_SIZE_GENERAL_PARAMS_ENTRY 56
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#define SJA1105_MAX_L2_LOOKUP_COUNT 1024
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#define SJA1105_MAX_L2_POLICING_COUNT 45
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#define SJA1110_MAX_L2_POLICING_COUNT 110
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#define SJA1105_MAX_VLAN_LOOKUP_COUNT 4096
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#define SJA1105_MAX_L2_FORWARDING_COUNT 13
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#define SJA1110_MAX_L2_FORWARDING_COUNT 19
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#define SJA1105_MAX_MAC_CONFIG_COUNT 5
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#define SJA1110_MAX_MAC_CONFIG_COUNT 11
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#define SJA1105_MAX_L2_FORWARDING_PARAMS_COUNT 1
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#define SJA1105_MAX_GENERAL_PARAMS_COUNT 1
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#define SJA1105_MAX_XMII_PARAMS_COUNT 1
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#define SJA1105_MAX_FRAME_MEMORY 929
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#define SJA1105E_DEVICE_ID 0x9C00000Cull
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#define SJA1105T_DEVICE_ID 0x9E00030Eull
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#define SJA1105PR_DEVICE_ID 0xAF00030Eull
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#define SJA1105QS_DEVICE_ID 0xAE00030Eull
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#define SJA1110_DEVICE_ID 0xB700030Full
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#define SJA1105ET_PART_NO 0x9A83
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#define SJA1105P_PART_NO 0x9A84
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#define SJA1105Q_PART_NO 0x9A85
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#define SJA1105R_PART_NO 0x9A86
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#define SJA1105S_PART_NO 0x9A87
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#define SJA1110A_PART_NO 0x1110
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#define SJA1110B_PART_NO 0x1111
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#define SJA1110C_PART_NO 0x1112
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#define SJA1110D_PART_NO 0x1113
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#define SJA1110_ACU 0x1c4400
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#define SJA1110_RGU 0x1c6000
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#define SJA1110_CGU 0x1c6400
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#define SJA1110_SPI_ADDR(x) ((x) / 4)
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#define SJA1110_ACU_ADDR(x) (SJA1110_ACU + SJA1110_SPI_ADDR(x))
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#define SJA1110_CGU_ADDR(x) (SJA1110_CGU + SJA1110_SPI_ADDR(x))
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#define SJA1110_RGU_ADDR(x) (SJA1110_RGU + SJA1110_SPI_ADDR(x))
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#define SJA1105_RSV_ADDR 0xffffffffffffffffull
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#define SJA1110_PCS_BANK_REG SJA1110_SPI_ADDR(0x3fc)
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#define DSA_8021Q_DIR_TX BIT(11)
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#define DSA_8021Q_PORT_SHIFT 0
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#define DSA_8021Q_PORT_MASK GENMASK(3, 0)
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#define DSA_8021Q_PORT(x) (((x) << DSA_8021Q_PORT_SHIFT) & \
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DSA_8021Q_PORT_MASK)
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#define SJA1105_RATE_MBPS(speed) (((speed) * 64000) / 1000)
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/* XPCS registers */
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/* VR MII MMD registers offsets */
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#define DW_VR_MII_DIG_CTRL1 0x8000
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#define DW_VR_MII_AN_CTRL 0x8001
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#define DW_VR_MII_DIG_CTRL2 0x80e1
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/* VR_MII_DIG_CTRL1 */
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#define DW_VR_MII_DIG_CTRL1_MAC_AUTO_SW BIT(9)
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/* VR_MII_DIG_CTRL2 */
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#define DW_VR_MII_DIG_CTRL2_TX_POL_INV BIT(4)
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/* VR_MII_AN_CTRL */
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#define DW_VR_MII_AN_CTRL_TX_CONFIG_SHIFT 3
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#define DW_VR_MII_TX_CONFIG_MASK BIT(3)
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#define DW_VR_MII_TX_CONFIG_MAC_SIDE_SGMII 0x0
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#define DW_VR_MII_AN_CTRL_PCS_MODE_SHIFT 1
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#define DW_VR_MII_PCS_MODE_MASK GENMASK(2, 1)
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#define DW_VR_MII_PCS_MODE_C37_SGMII 0x2
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/* PMA registers */
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/* LANE_DRIVER1_0 register */
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#define SJA1110_LANE_DRIVER1_0 0x8038
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#define SJA1110_TXDRV(x) (((x) << 12) & GENMASK(14, 12))
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/* LANE_DRIVER2_0 register */
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#define SJA1110_LANE_DRIVER2_0 0x803a
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#define SJA1110_TXDRVTRIM_LSB(x) ((x) & GENMASK_ULL(15, 0))
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/* LANE_DRIVER2_1 register */
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#define SJA1110_LANE_DRIVER2_1 0x803b
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#define SJA1110_LANE_DRIVER2_1_RSV BIT(9)
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#define SJA1110_TXDRVTRIM_MSB(x) (((x) & GENMASK_ULL(23, 16)) >> 16)
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/* LANE_TRIM register */
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#define SJA1110_LANE_TRIM 0x8040
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#define SJA1110_TXTEN BIT(11)
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#define SJA1110_TXRTRIM(x) (((x) << 8) & GENMASK(10, 8))
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#define SJA1110_TXPLL_BWSEL BIT(7)
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#define SJA1110_RXTEN BIT(6)
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#define SJA1110_RXRTRIM(x) (((x) << 3) & GENMASK(5, 3))
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#define SJA1110_CDR_GAIN BIT(2)
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#define SJA1110_ACCOUPLE_RXVCM_EN BIT(0)
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/* LANE_DATAPATH_1 register */
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#define SJA1110_LANE_DATAPATH_1 0x8037
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/* POWERDOWN_ENABLE register */
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#define SJA1110_POWERDOWN_ENABLE 0x8041
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#define SJA1110_TXPLL_PD BIT(12)
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#define SJA1110_TXPD BIT(11)
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#define SJA1110_RXPKDETEN BIT(10)
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#define SJA1110_RXCH_PD BIT(9)
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#define SJA1110_RXBIAS_PD BIT(8)
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#define SJA1110_RESET_SER_EN BIT(7)
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#define SJA1110_RESET_SER BIT(6)
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#define SJA1110_RESET_DES BIT(5)
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#define SJA1110_RCVEN BIT(4)
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/* RXPLL_CTRL0 register */
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#define SJA1110_RXPLL_CTRL0 0x8065
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#define SJA1110_RXPLL_FBDIV(x) (((x) << 2) & GENMASK(9, 2))
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/* RXPLL_CTRL1 register */
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#define SJA1110_RXPLL_CTRL1 0x8066
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#define SJA1110_RXPLL_REFDIV(x) ((x) & GENMASK(4, 0))
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/* TXPLL_CTRL0 register */
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#define SJA1110_TXPLL_CTRL0 0x806d
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#define SJA1110_TXPLL_FBDIV(x) ((x) & GENMASK(11, 0))
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/* TXPLL_CTRL1 register */
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#define SJA1110_TXPLL_CTRL1 0x806e
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#define SJA1110_TXPLL_REFDIV(x) ((x) & GENMASK(5, 0))
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/* RX_DATA_DETECT register */
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#define SJA1110_RX_DATA_DETECT 0x8045
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/* RX_CDR_CTLE register */
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#define SJA1110_RX_CDR_CTLE 0x8042
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/* UM10944.pdf Page 11, Table 2. Configuration Blocks */
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enum {
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BLKID_L2_POLICING = 0x06,
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BLKID_VLAN_LOOKUP = 0x07,
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BLKID_L2_FORWARDING = 0x08,
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BLKID_MAC_CONFIG = 0x09,
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BLKID_L2_FORWARDING_PARAMS = 0x0E,
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BLKID_GENERAL_PARAMS = 0x11,
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BLKID_XMII_PARAMS = 0x4E,
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};
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enum sja1105_blk_idx {
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BLK_IDX_L2_POLICING = 0,
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BLK_IDX_VLAN_LOOKUP,
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BLK_IDX_L2_FORWARDING,
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BLK_IDX_MAC_CONFIG,
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BLK_IDX_L2_FORWARDING_PARAMS,
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BLK_IDX_GENERAL_PARAMS,
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BLK_IDX_XMII_PARAMS,
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BLK_IDX_MAX,
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};
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struct sja1105_general_params_entry {
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u64 mac_fltres1;
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u64 mac_fltres0;
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u64 mac_flt1;
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u64 mac_flt0;
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u64 casc_port;
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u64 host_port;
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u64 mirr_port;
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u64 tpid;
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u64 tpid2;
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};
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struct sja1105_vlan_lookup_entry {
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u64 vmemb_port;
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u64 vlan_bc;
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u64 tag_port;
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u64 vlanid;
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u64 type_entry; /* SJA1110 only */
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};
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struct sja1105_l2_forwarding_entry {
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u64 bc_domain;
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u64 reach_port;
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u64 fl_domain;
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};
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struct sja1105_l2_forwarding_params_entry {
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u64 part_spc[SJA1105_NUM_TC];
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};
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struct sja1105_l2_policing_entry {
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u64 sharindx;
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u64 smax;
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u64 rate;
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u64 maxlen;
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u64 partition;
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};
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struct sja1105_mac_config_entry {
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u64 top[SJA1105_NUM_TC];
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u64 base[SJA1105_NUM_TC];
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u64 enabled[SJA1105_NUM_TC];
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u64 speed;
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u64 vlanid;
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u64 egress;
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u64 ingress;
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};
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struct sja1105_xmii_params_entry {
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u64 phy_mac[SJA1105_MAX_NUM_PORTS];
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u64 xmii_mode[SJA1105_MAX_NUM_PORTS];
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u64 special[SJA1105_MAX_NUM_PORTS];
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};
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struct sja1105_table_header {
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u64 block_id;
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u64 len;
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u64 crc;
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};
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struct sja1105_table_ops {
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size_t (*packing)(void *buf, void *entry_ptr, enum packing_op op);
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size_t unpacked_entry_size;
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size_t packed_entry_size;
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size_t max_entry_count;
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};
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struct sja1105_table {
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const struct sja1105_table_ops *ops;
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size_t entry_count;
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void *entries;
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};
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struct sja1105_static_config {
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u64 device_id;
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struct sja1105_table tables[BLK_IDX_MAX];
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};
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struct sja1105_xpcs_cfg {
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bool inband_an;
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int speed;
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};
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struct sja1105_private {
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struct sja1105_static_config static_config;
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bool rgmii_rx_delay[SJA1105_MAX_NUM_PORTS];
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bool rgmii_tx_delay[SJA1105_MAX_NUM_PORTS];
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u16 pvid[SJA1105_MAX_NUM_PORTS];
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struct sja1105_xpcs_cfg xpcs_cfg[SJA1105_MAX_NUM_PORTS];
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struct mii_dev *mdio_pcs;
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const struct sja1105_info *info;
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struct udevice *dev;
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};
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typedef enum {
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SPI_READ = 0,
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SPI_WRITE = 1,
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} sja1105_spi_rw_mode_t;
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typedef enum {
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XMII_MAC = 0,
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XMII_PHY = 1,
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} sja1105_mii_role_t;
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typedef enum {
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XMII_MODE_MII = 0,
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XMII_MODE_RMII = 1,
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XMII_MODE_RGMII = 2,
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XMII_MODE_SGMII = 3,
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} sja1105_phy_interface_t;
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enum {
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SJA1105_SPEED_AUTO,
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SJA1105_SPEED_10MBPS,
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SJA1105_SPEED_100MBPS,
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SJA1105_SPEED_1000MBPS,
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SJA1105_SPEED_MAX,
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};
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enum sja1110_vlan_type {
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SJA1110_VLAN_INVALID = 0,
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SJA1110_VLAN_C_TAG = 1, /* Single inner VLAN tag */
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SJA1110_VLAN_S_TAG = 2, /* Single outer VLAN tag */
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SJA1110_VLAN_D_TAG = 3, /* Double tagged, use outer tag for lookup */
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};
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/* Keeps the different addresses between E/T and P/Q/R/S */
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struct sja1105_regs {
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u64 device_id;
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u64 prod_id;
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u64 status;
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u64 port_control;
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u64 rgu;
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u64 config;
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u64 rmii_pll1;
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u64 pad_mii_tx[SJA1105_MAX_NUM_PORTS];
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u64 pad_mii_rx[SJA1105_MAX_NUM_PORTS];
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u64 pad_mii_id[SJA1105_MAX_NUM_PORTS];
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u64 cgu_idiv[SJA1105_MAX_NUM_PORTS];
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u64 mii_tx_clk[SJA1105_MAX_NUM_PORTS];
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u64 mii_rx_clk[SJA1105_MAX_NUM_PORTS];
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u64 mii_ext_tx_clk[SJA1105_MAX_NUM_PORTS];
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u64 mii_ext_rx_clk[SJA1105_MAX_NUM_PORTS];
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u64 rgmii_tx_clk[SJA1105_MAX_NUM_PORTS];
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u64 rmii_ref_clk[SJA1105_MAX_NUM_PORTS];
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u64 rmii_ext_tx_clk[SJA1105_MAX_NUM_PORTS];
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u64 pcs_base[SJA1105_MAX_NUM_PORTS];
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};
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struct sja1105_info {
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u64 device_id;
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u64 part_no;
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const struct sja1105_table_ops *static_ops;
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const struct sja1105_regs *regs;
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int (*reset_cmd)(struct sja1105_private *priv);
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int (*setup_rgmii_delay)(struct sja1105_private *priv, int port);
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int (*pcs_mdio_read)(struct mii_dev *bus, int phy, int mmd, int reg);
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int (*pcs_mdio_write)(struct mii_dev *bus, int phy, int mmd, int reg,
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u16 val);
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int (*pma_config)(struct sja1105_private *priv, int port);
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const char *name;
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bool supports_mii[SJA1105_MAX_NUM_PORTS];
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bool supports_rmii[SJA1105_MAX_NUM_PORTS];
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bool supports_rgmii[SJA1105_MAX_NUM_PORTS];
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bool supports_sgmii[SJA1105_MAX_NUM_PORTS];
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const u64 port_speed[SJA1105_SPEED_MAX];
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};
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struct sja1105_chunk {
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u8 *buf;
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size_t len;
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u64 reg_addr;
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};
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struct sja1105_spi_message {
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u64 access;
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u64 read_count;
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u64 address;
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};
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/* Common structure for CFG_PAD_MIIx_RX and CFG_PAD_MIIx_TX */
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struct sja1105_cfg_pad_mii {
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u64 d32_os;
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u64 d32_ih;
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u64 d32_ipud;
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u64 d10_ih;
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u64 d10_os;
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u64 d10_ipud;
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u64 ctrl_os;
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u64 ctrl_ih;
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u64 ctrl_ipud;
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u64 clk_os;
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u64 clk_ih;
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u64 clk_ipud;
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};
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struct sja1105_cfg_pad_mii_id {
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u64 rxc_stable_ovr;
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u64 rxc_delay;
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u64 rxc_bypass;
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u64 rxc_pd;
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u64 txc_stable_ovr;
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u64 txc_delay;
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u64 txc_bypass;
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u64 txc_pd;
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};
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struct sja1105_cgu_idiv {
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u64 clksrc;
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u64 autoblock;
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u64 idiv;
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u64 pd;
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};
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struct sja1105_cgu_pll_ctrl {
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u64 pllclksrc;
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u64 msel;
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u64 autoblock;
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u64 psel;
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u64 direct;
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u64 fbsel;
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u64 bypass;
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u64 pd;
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};
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enum {
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CLKSRC_MII0_TX_CLK = 0x00,
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CLKSRC_MII0_RX_CLK = 0x01,
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CLKSRC_MII1_TX_CLK = 0x02,
|
|
CLKSRC_MII1_RX_CLK = 0x03,
|
|
CLKSRC_MII2_TX_CLK = 0x04,
|
|
CLKSRC_MII2_RX_CLK = 0x05,
|
|
CLKSRC_MII3_TX_CLK = 0x06,
|
|
CLKSRC_MII3_RX_CLK = 0x07,
|
|
CLKSRC_MII4_TX_CLK = 0x08,
|
|
CLKSRC_MII4_RX_CLK = 0x09,
|
|
CLKSRC_PLL0 = 0x0B,
|
|
CLKSRC_PLL1 = 0x0E,
|
|
CLKSRC_IDIV0 = 0x11,
|
|
CLKSRC_IDIV1 = 0x12,
|
|
CLKSRC_IDIV2 = 0x13,
|
|
CLKSRC_IDIV3 = 0x14,
|
|
CLKSRC_IDIV4 = 0x15,
|
|
};
|
|
|
|
struct sja1105_cgu_mii_ctrl {
|
|
u64 clksrc;
|
|
u64 autoblock;
|
|
u64 pd;
|
|
};
|
|
|
|
static int get_reverse_lsw32_offset(int offset, size_t len)
|
|
{
|
|
int closest_multiple_of_4;
|
|
int word_index;
|
|
|
|
word_index = offset / 4;
|
|
closest_multiple_of_4 = word_index * 4;
|
|
offset -= closest_multiple_of_4;
|
|
word_index = (len / 4) - word_index - 1;
|
|
return word_index * 4 + offset;
|
|
}
|
|
|
|
/* Simplified version of the "packing" function from Linux, adapted
|
|
* to support only sja1105's quirk: QUIRK_LSW32_IS_FIRST
|
|
*/
|
|
static void sja1105_packing(void *pbuf, u64 *uval, int startbit, int endbit,
|
|
size_t pbuflen, enum packing_op op)
|
|
{
|
|
int plogical_first_u8, plogical_last_u8, box;
|
|
|
|
if (op == UNPACK)
|
|
*uval = 0;
|
|
|
|
plogical_first_u8 = startbit / 8;
|
|
plogical_last_u8 = endbit / 8;
|
|
|
|
for (box = plogical_first_u8; box >= plogical_last_u8; box--) {
|
|
int box_start_bit, box_end_bit, box_addr;
|
|
int proj_start_bit, proj_end_bit;
|
|
u64 proj_mask;
|
|
u8 box_mask;
|
|
|
|
if (box == plogical_first_u8)
|
|
box_start_bit = startbit % 8;
|
|
else
|
|
box_start_bit = 7;
|
|
if (box == plogical_last_u8)
|
|
box_end_bit = endbit % 8;
|
|
else
|
|
box_end_bit = 0;
|
|
|
|
proj_start_bit = ((box * 8) + box_start_bit) - endbit;
|
|
proj_end_bit = ((box * 8) + box_end_bit) - endbit;
|
|
proj_mask = GENMASK_ULL(proj_start_bit, proj_end_bit);
|
|
box_mask = GENMASK_ULL(box_start_bit, box_end_bit);
|
|
|
|
box_addr = pbuflen - box - 1;
|
|
box_addr = get_reverse_lsw32_offset(box_addr, pbuflen);
|
|
|
|
if (op == UNPACK) {
|
|
u64 pval;
|
|
|
|
/* Read from pbuf, write to uval */
|
|
pval = ((u8 *)pbuf)[box_addr] & box_mask;
|
|
|
|
pval >>= box_end_bit;
|
|
pval <<= proj_end_bit;
|
|
*uval &= ~proj_mask;
|
|
*uval |= pval;
|
|
} else {
|
|
u64 pval;
|
|
|
|
/* Write to pbuf, read from uval */
|
|
pval = (*uval) & proj_mask;
|
|
pval >>= proj_end_bit;
|
|
|
|
pval <<= box_end_bit;
|
|
((u8 *)pbuf)[box_addr] &= ~box_mask;
|
|
((u8 *)pbuf)[box_addr] |= pval;
|
|
}
|
|
}
|
|
}
|
|
|
|
static u32 crc32_add(u32 crc, u8 byte)
|
|
{
|
|
u32 byte32 = bitrev32(byte);
|
|
int i;
|
|
|
|
for (i = 0; i < 8; i++) {
|
|
if ((crc ^ byte32) & BIT(31)) {
|
|
crc <<= 1;
|
|
crc ^= ETHER_CRC32_POLY;
|
|
} else {
|
|
crc <<= 1;
|
|
}
|
|
byte32 <<= 1;
|
|
}
|
|
return crc;
|
|
}
|
|
|
|
/* Little-endian Ethernet CRC32 of data packed as big-endian u32 words */
|
|
static uint32_t sja1105_crc32(void *buf, size_t len)
|
|
{
|
|
unsigned int i;
|
|
u64 chunk;
|
|
u32 crc;
|
|
|
|
/* seed */
|
|
crc = 0xFFFFFFFF;
|
|
for (i = 0; i < len; i += 4) {
|
|
sja1105_packing(buf + i, &chunk, 31, 0, 4, UNPACK);
|
|
crc = crc32_add(crc, chunk & 0xFF);
|
|
crc = crc32_add(crc, (chunk >> 8) & 0xFF);
|
|
crc = crc32_add(crc, (chunk >> 16) & 0xFF);
|
|
crc = crc32_add(crc, (chunk >> 24) & 0xFF);
|
|
}
|
|
return bitrev32(~crc);
|
|
}
|
|
|
|
static void sja1105_spi_message_pack(void *buf, struct sja1105_spi_message *msg)
|
|
{
|
|
const int size = SJA1105_SIZE_SPI_MSG_HEADER;
|
|
|
|
memset(buf, 0, size);
|
|
|
|
sja1105_packing(buf, &msg->access, 31, 31, size, PACK);
|
|
sja1105_packing(buf, &msg->read_count, 30, 25, size, PACK);
|
|
sja1105_packing(buf, &msg->address, 24, 4, size, PACK);
|
|
}
|
|
|
|
static int sja1105_xfer_buf(const struct sja1105_private *priv,
|
|
sja1105_spi_rw_mode_t rw, u64 reg_addr,
|
|
u8 *buf, size_t len)
|
|
{
|
|
struct udevice *dev = priv->dev;
|
|
struct sja1105_chunk chunk = {
|
|
.len = min_t(size_t, len, SJA1105_SIZE_SPI_MSG_MAXLEN),
|
|
.reg_addr = reg_addr,
|
|
.buf = buf,
|
|
};
|
|
int num_chunks;
|
|
int rc, i;
|
|
|
|
rc = dm_spi_claim_bus(dev);
|
|
if (rc)
|
|
return rc;
|
|
|
|
num_chunks = DIV_ROUND_UP(len, SJA1105_SIZE_SPI_MSG_MAXLEN);
|
|
|
|
for (i = 0; i < num_chunks; i++) {
|
|
u8 hdr_buf[SJA1105_SIZE_SPI_MSG_HEADER];
|
|
struct sja1105_spi_message msg;
|
|
u8 *rx_buf = NULL;
|
|
u8 *tx_buf = NULL;
|
|
|
|
/* Populate the transfer's header buffer */
|
|
msg.address = chunk.reg_addr;
|
|
msg.access = rw;
|
|
if (rw == SPI_READ)
|
|
msg.read_count = chunk.len / 4;
|
|
else
|
|
/* Ignored */
|
|
msg.read_count = 0;
|
|
sja1105_spi_message_pack(hdr_buf, &msg);
|
|
rc = dm_spi_xfer(dev, SJA1105_SIZE_SPI_MSG_HEADER * 8, hdr_buf,
|
|
NULL, SPI_XFER_BEGIN);
|
|
if (rc)
|
|
goto out;
|
|
|
|
/* Populate the transfer's data buffer */
|
|
if (rw == SPI_READ)
|
|
rx_buf = chunk.buf;
|
|
else
|
|
tx_buf = chunk.buf;
|
|
rc = dm_spi_xfer(dev, chunk.len * 8, tx_buf, rx_buf,
|
|
SPI_XFER_END);
|
|
if (rc)
|
|
goto out;
|
|
|
|
/* Calculate next chunk */
|
|
chunk.buf += chunk.len;
|
|
chunk.reg_addr += chunk.len / 4;
|
|
chunk.len = min_t(size_t, (ptrdiff_t)(buf + len - chunk.buf),
|
|
SJA1105_SIZE_SPI_MSG_MAXLEN);
|
|
}
|
|
|
|
out:
|
|
dm_spi_release_bus(dev);
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int sja1105et_reset_cmd(struct sja1105_private *priv)
|
|
{
|
|
const struct sja1105_regs *regs = priv->info->regs;
|
|
u8 packed_buf[SJA1105_SIZE_RESET_CMD] = {0};
|
|
const int size = SJA1105_SIZE_RESET_CMD;
|
|
u64 cold_rst = 1;
|
|
|
|
sja1105_packing(packed_buf, &cold_rst, 3, 3, size, PACK);
|
|
|
|
return sja1105_xfer_buf(priv, SPI_WRITE, regs->rgu, packed_buf,
|
|
SJA1105_SIZE_RESET_CMD);
|
|
}
|
|
|
|
static int sja1105pqrs_reset_cmd(struct sja1105_private *priv)
|
|
{
|
|
const struct sja1105_regs *regs = priv->info->regs;
|
|
u8 packed_buf[SJA1105_SIZE_RESET_CMD] = {0};
|
|
const int size = SJA1105_SIZE_RESET_CMD;
|
|
u64 cold_rst = 1;
|
|
|
|
sja1105_packing(packed_buf, &cold_rst, 2, 2, size, PACK);
|
|
|
|
return sja1105_xfer_buf(priv, SPI_WRITE, regs->rgu, packed_buf,
|
|
SJA1105_SIZE_RESET_CMD);
|
|
}
|
|
|
|
static int sja1110_reset_cmd(struct sja1105_private *priv)
|
|
{
|
|
const struct sja1105_regs *regs = priv->info->regs;
|
|
u8 packed_buf[SJA1105_SIZE_RESET_CMD] = {0};
|
|
const int size = SJA1105_SIZE_RESET_CMD;
|
|
u64 switch_rst = 1;
|
|
|
|
/* Only reset the switch core.
|
|
* A full cold reset would re-enable the BASE_MCSS_CLOCK PLL which
|
|
* would turn on the microcontroller, potentially letting it execute
|
|
* code which could interfere with our configuration.
|
|
*/
|
|
sja1105_packing(packed_buf, &switch_rst, 20, 20, size, PACK);
|
|
|
|
return sja1105_xfer_buf(priv, SPI_WRITE, regs->rgu, packed_buf,
|
|
SJA1105_SIZE_RESET_CMD);
|
|
}
|
|
|
|
static size_t sja1105et_general_params_entry_packing(void *buf, void *entry_ptr,
|
|
enum packing_op op)
|
|
{
|
|
const size_t size = SJA1105ET_SIZE_GENERAL_PARAMS_ENTRY;
|
|
struct sja1105_general_params_entry *entry = entry_ptr;
|
|
|
|
sja1105_packing(buf, &entry->mac_fltres1, 311, 264, size, op);
|
|
sja1105_packing(buf, &entry->mac_fltres0, 263, 216, size, op);
|
|
sja1105_packing(buf, &entry->mac_flt1, 215, 168, size, op);
|
|
sja1105_packing(buf, &entry->mac_flt0, 167, 120, size, op);
|
|
sja1105_packing(buf, &entry->casc_port, 115, 113, size, op);
|
|
sja1105_packing(buf, &entry->host_port, 112, 110, size, op);
|
|
sja1105_packing(buf, &entry->mirr_port, 109, 107, size, op);
|
|
sja1105_packing(buf, &entry->tpid, 42, 27, size, op);
|
|
sja1105_packing(buf, &entry->tpid2, 25, 10, size, op);
|
|
return size;
|
|
}
|
|
|
|
static size_t sja1110_general_params_entry_packing(void *buf, void *entry_ptr,
|
|
enum packing_op op)
|
|
{
|
|
struct sja1105_general_params_entry *entry = entry_ptr;
|
|
const size_t size = SJA1110_SIZE_GENERAL_PARAMS_ENTRY;
|
|
|
|
sja1105_packing(buf, &entry->mac_fltres1, 438, 391, size, op);
|
|
sja1105_packing(buf, &entry->mac_fltres0, 390, 343, size, op);
|
|
sja1105_packing(buf, &entry->mac_flt1, 342, 295, size, op);
|
|
sja1105_packing(buf, &entry->mac_flt0, 294, 247, size, op);
|
|
sja1105_packing(buf, &entry->casc_port, 242, 232, size, op);
|
|
sja1105_packing(buf, &entry->host_port, 231, 228, size, op);
|
|
sja1105_packing(buf, &entry->mirr_port, 227, 224, size, op);
|
|
sja1105_packing(buf, &entry->tpid2, 159, 144, size, op);
|
|
sja1105_packing(buf, &entry->tpid, 142, 127, size, op);
|
|
return size;
|
|
}
|
|
|
|
static size_t
|
|
sja1105pqrs_general_params_entry_packing(void *buf, void *entry_ptr,
|
|
enum packing_op op)
|
|
{
|
|
const size_t size = SJA1105PQRS_SIZE_GENERAL_PARAMS_ENTRY;
|
|
struct sja1105_general_params_entry *entry = entry_ptr;
|
|
|
|
sja1105_packing(buf, &entry->mac_fltres1, 343, 296, size, op);
|
|
sja1105_packing(buf, &entry->mac_fltres0, 295, 248, size, op);
|
|
sja1105_packing(buf, &entry->mac_flt1, 247, 200, size, op);
|
|
sja1105_packing(buf, &entry->mac_flt0, 199, 152, size, op);
|
|
sja1105_packing(buf, &entry->casc_port, 147, 145, size, op);
|
|
sja1105_packing(buf, &entry->host_port, 144, 142, size, op);
|
|
sja1105_packing(buf, &entry->mirr_port, 141, 139, size, op);
|
|
sja1105_packing(buf, &entry->tpid, 74, 59, size, op);
|
|
sja1105_packing(buf, &entry->tpid2, 57, 42, size, op);
|
|
return size;
|
|
}
|
|
|
|
static size_t
|
|
sja1105_l2_forwarding_params_entry_packing(void *buf, void *entry_ptr,
|
|
enum packing_op op)
|
|
{
|
|
const size_t size = SJA1105_SIZE_L2_FORWARDING_PARAMS_ENTRY;
|
|
struct sja1105_l2_forwarding_params_entry *entry = entry_ptr;
|
|
int offset, i;
|
|
|
|
for (i = 0, offset = 13; i < SJA1105_NUM_TC; i++, offset += 10)
|
|
sja1105_packing(buf, &entry->part_spc[i],
|
|
offset + 9, offset + 0, size, op);
|
|
return size;
|
|
}
|
|
|
|
static size_t
|
|
sja1110_l2_forwarding_params_entry_packing(void *buf, void *entry_ptr,
|
|
enum packing_op op)
|
|
{
|
|
struct sja1105_l2_forwarding_params_entry *entry = entry_ptr;
|
|
const size_t size = SJA1105_SIZE_L2_FORWARDING_PARAMS_ENTRY;
|
|
int offset, i;
|
|
|
|
for (i = 0, offset = 5; i < 8; i++, offset += 11)
|
|
sja1105_packing(buf, &entry->part_spc[i],
|
|
offset + 10, offset + 0, size, op);
|
|
return size;
|
|
}
|
|
|
|
static size_t sja1105_l2_forwarding_entry_packing(void *buf, void *entry_ptr,
|
|
enum packing_op op)
|
|
{
|
|
const size_t size = SJA1105_SIZE_L2_FORWARDING_ENTRY;
|
|
struct sja1105_l2_forwarding_entry *entry = entry_ptr;
|
|
|
|
sja1105_packing(buf, &entry->bc_domain, 63, 59, size, op);
|
|
sja1105_packing(buf, &entry->reach_port, 58, 54, size, op);
|
|
sja1105_packing(buf, &entry->fl_domain, 53, 49, size, op);
|
|
return size;
|
|
}
|
|
|
|
static size_t sja1110_l2_forwarding_entry_packing(void *buf, void *entry_ptr,
|
|
enum packing_op op)
|
|
{
|
|
struct sja1105_l2_forwarding_entry *entry = entry_ptr;
|
|
const size_t size = SJA1105_SIZE_L2_FORWARDING_ENTRY;
|
|
|
|
sja1105_packing(buf, &entry->bc_domain, 63, 53, size, op);
|
|
sja1105_packing(buf, &entry->reach_port, 52, 42, size, op);
|
|
sja1105_packing(buf, &entry->fl_domain, 41, 31, size, op);
|
|
return size;
|
|
}
|
|
|
|
static size_t sja1105_l2_policing_entry_packing(void *buf, void *entry_ptr,
|
|
enum packing_op op)
|
|
{
|
|
struct sja1105_l2_policing_entry *entry = entry_ptr;
|
|
const size_t size = SJA1105_SIZE_L2_POLICING_ENTRY;
|
|
|
|
sja1105_packing(buf, &entry->sharindx, 63, 58, size, op);
|
|
sja1105_packing(buf, &entry->smax, 57, 42, size, op);
|
|
sja1105_packing(buf, &entry->rate, 41, 26, size, op);
|
|
sja1105_packing(buf, &entry->maxlen, 25, 15, size, op);
|
|
sja1105_packing(buf, &entry->partition, 14, 12, size, op);
|
|
return size;
|
|
}
|
|
|
|
static size_t sja1110_l2_policing_entry_packing(void *buf, void *entry_ptr,
|
|
enum packing_op op)
|
|
{
|
|
struct sja1105_l2_policing_entry *entry = entry_ptr;
|
|
const size_t size = SJA1105_SIZE_L2_POLICING_ENTRY;
|
|
|
|
sja1105_packing(buf, &entry->sharindx, 63, 57, size, op);
|
|
sja1105_packing(buf, &entry->smax, 56, 39, size, op);
|
|
sja1105_packing(buf, &entry->rate, 38, 21, size, op);
|
|
sja1105_packing(buf, &entry->maxlen, 20, 10, size, op);
|
|
sja1105_packing(buf, &entry->partition, 9, 7, size, op);
|
|
return size;
|
|
}
|
|
|
|
static size_t sja1105et_mac_config_entry_packing(void *buf, void *entry_ptr,
|
|
enum packing_op op)
|
|
{
|
|
const size_t size = SJA1105ET_SIZE_MAC_CONFIG_ENTRY;
|
|
struct sja1105_mac_config_entry *entry = entry_ptr;
|
|
int offset, i;
|
|
|
|
for (i = 0, offset = 72; i < SJA1105_NUM_TC; i++, offset += 19) {
|
|
sja1105_packing(buf, &entry->enabled[i],
|
|
offset + 0, offset + 0, size, op);
|
|
sja1105_packing(buf, &entry->base[i],
|
|
offset + 9, offset + 1, size, op);
|
|
sja1105_packing(buf, &entry->top[i],
|
|
offset + 18, offset + 10, size, op);
|
|
}
|
|
sja1105_packing(buf, &entry->speed, 66, 65, size, op);
|
|
sja1105_packing(buf, &entry->vlanid, 21, 10, size, op);
|
|
sja1105_packing(buf, &entry->egress, 2, 2, size, op);
|
|
sja1105_packing(buf, &entry->ingress, 1, 1, size, op);
|
|
return size;
|
|
}
|
|
|
|
static size_t sja1105pqrs_mac_config_entry_packing(void *buf, void *entry_ptr,
|
|
enum packing_op op)
|
|
{
|
|
const size_t size = SJA1105PQRS_SIZE_MAC_CONFIG_ENTRY;
|
|
struct sja1105_mac_config_entry *entry = entry_ptr;
|
|
int offset, i;
|
|
|
|
for (i = 0, offset = 104; i < SJA1105_NUM_TC; i++, offset += 19) {
|
|
sja1105_packing(buf, &entry->enabled[i],
|
|
offset + 0, offset + 0, size, op);
|
|
sja1105_packing(buf, &entry->base[i],
|
|
offset + 9, offset + 1, size, op);
|
|
sja1105_packing(buf, &entry->top[i],
|
|
offset + 18, offset + 10, size, op);
|
|
}
|
|
sja1105_packing(buf, &entry->speed, 98, 97, size, op);
|
|
sja1105_packing(buf, &entry->vlanid, 53, 42, size, op);
|
|
sja1105_packing(buf, &entry->egress, 32, 32, size, op);
|
|
sja1105_packing(buf, &entry->ingress, 31, 31, size, op);
|
|
return size;
|
|
}
|
|
|
|
static size_t sja1110_mac_config_entry_packing(void *buf, void *entry_ptr,
|
|
enum packing_op op)
|
|
{
|
|
const size_t size = SJA1105PQRS_SIZE_MAC_CONFIG_ENTRY;
|
|
struct sja1105_mac_config_entry *entry = entry_ptr;
|
|
int offset, i;
|
|
|
|
for (i = 0, offset = 104; i < 8; i++, offset += 19) {
|
|
sja1105_packing(buf, &entry->enabled[i],
|
|
offset + 0, offset + 0, size, op);
|
|
sja1105_packing(buf, &entry->base[i],
|
|
offset + 9, offset + 1, size, op);
|
|
sja1105_packing(buf, &entry->top[i],
|
|
offset + 18, offset + 10, size, op);
|
|
}
|
|
sja1105_packing(buf, &entry->speed, 98, 96, size, op);
|
|
sja1105_packing(buf, &entry->vlanid, 52, 41, size, op);
|
|
sja1105_packing(buf, &entry->egress, 31, 31, size, op);
|
|
sja1105_packing(buf, &entry->ingress, 30, 30, size, op);
|
|
return size;
|
|
}
|
|
|
|
static size_t sja1105_vlan_lookup_entry_packing(void *buf, void *entry_ptr,
|
|
enum packing_op op)
|
|
{
|
|
const size_t size = SJA1105_SIZE_VLAN_LOOKUP_ENTRY;
|
|
struct sja1105_vlan_lookup_entry *entry = entry_ptr;
|
|
|
|
sja1105_packing(buf, &entry->vmemb_port, 53, 49, size, op);
|
|
sja1105_packing(buf, &entry->vlan_bc, 48, 44, size, op);
|
|
sja1105_packing(buf, &entry->tag_port, 43, 39, size, op);
|
|
sja1105_packing(buf, &entry->vlanid, 38, 27, size, op);
|
|
return size;
|
|
}
|
|
|
|
static size_t sja1110_vlan_lookup_entry_packing(void *buf, void *entry_ptr,
|
|
enum packing_op op)
|
|
{
|
|
struct sja1105_vlan_lookup_entry *entry = entry_ptr;
|
|
const size_t size = SJA1110_SIZE_VLAN_LOOKUP_ENTRY;
|
|
|
|
sja1105_packing(buf, &entry->vmemb_port, 73, 63, size, op);
|
|
sja1105_packing(buf, &entry->vlan_bc, 62, 52, size, op);
|
|
sja1105_packing(buf, &entry->tag_port, 51, 41, size, op);
|
|
sja1105_packing(buf, &entry->type_entry, 40, 39, size, op);
|
|
sja1105_packing(buf, &entry->vlanid, 38, 27, size, op);
|
|
return size;
|
|
}
|
|
|
|
static size_t sja1105_xmii_params_entry_packing(void *buf, void *entry_ptr,
|
|
enum packing_op op)
|
|
{
|
|
const size_t size = SJA1105_SIZE_XMII_PARAMS_ENTRY;
|
|
struct sja1105_xmii_params_entry *entry = entry_ptr;
|
|
int offset, i;
|
|
|
|
for (i = 0, offset = 17; i < SJA1105_NUM_PORTS; i++, offset += 3) {
|
|
sja1105_packing(buf, &entry->xmii_mode[i],
|
|
offset + 1, offset + 0, size, op);
|
|
sja1105_packing(buf, &entry->phy_mac[i],
|
|
offset + 2, offset + 2, size, op);
|
|
}
|
|
return size;
|
|
}
|
|
|
|
static size_t sja1110_xmii_params_entry_packing(void *buf, void *entry_ptr,
|
|
enum packing_op op)
|
|
{
|
|
const size_t size = SJA1110_SIZE_XMII_PARAMS_ENTRY;
|
|
struct sja1105_xmii_params_entry *entry = entry_ptr;
|
|
int offset, i;
|
|
|
|
for (i = 0, offset = 20; i < SJA1110_NUM_PORTS; i++, offset += 4) {
|
|
sja1105_packing(buf, &entry->xmii_mode[i],
|
|
offset + 1, offset + 0, size, op);
|
|
sja1105_packing(buf, &entry->phy_mac[i],
|
|
offset + 2, offset + 2, size, op);
|
|
sja1105_packing(buf, &entry->special[i],
|
|
offset + 3, offset + 3, size, op);
|
|
}
|
|
return size;
|
|
}
|
|
|
|
static size_t sja1105_table_header_packing(void *buf, void *entry_ptr,
|
|
enum packing_op op)
|
|
{
|
|
const size_t size = SJA1105_SIZE_TABLE_HEADER;
|
|
struct sja1105_table_header *entry = entry_ptr;
|
|
|
|
sja1105_packing(buf, &entry->block_id, 31, 24, size, op);
|
|
sja1105_packing(buf, &entry->len, 55, 32, size, op);
|
|
sja1105_packing(buf, &entry->crc, 95, 64, size, op);
|
|
return size;
|
|
}
|
|
|
|
static void
|
|
sja1105_table_header_pack_with_crc(void *buf, struct sja1105_table_header *hdr)
|
|
{
|
|
/* First pack the table as-is, then calculate the CRC, and
|
|
* finally put the proper CRC into the packed buffer
|
|
*/
|
|
memset(buf, 0, SJA1105_SIZE_TABLE_HEADER);
|
|
sja1105_table_header_packing(buf, hdr, PACK);
|
|
hdr->crc = sja1105_crc32(buf, SJA1105_SIZE_TABLE_HEADER - 4);
|
|
sja1105_packing(buf + SJA1105_SIZE_TABLE_HEADER - 4, &hdr->crc,
|
|
31, 0, 4, PACK);
|
|
}
|
|
|
|
static void sja1105_table_write_crc(u8 *table_start, u8 *crc_ptr)
|
|
{
|
|
u64 computed_crc;
|
|
int len_bytes;
|
|
|
|
len_bytes = (uintptr_t)(crc_ptr - table_start);
|
|
computed_crc = sja1105_crc32(table_start, len_bytes);
|
|
sja1105_packing(crc_ptr, &computed_crc, 31, 0, 4, PACK);
|
|
}
|
|
|
|
/* The block IDs that the switches support are unfortunately sparse, so keep a
|
|
* mapping table to "block indices" and translate back and forth.
|
|
*/
|
|
static const u64 blk_id_map[BLK_IDX_MAX] = {
|
|
[BLK_IDX_L2_POLICING] = BLKID_L2_POLICING,
|
|
[BLK_IDX_VLAN_LOOKUP] = BLKID_VLAN_LOOKUP,
|
|
[BLK_IDX_L2_FORWARDING] = BLKID_L2_FORWARDING,
|
|
[BLK_IDX_MAC_CONFIG] = BLKID_MAC_CONFIG,
|
|
[BLK_IDX_L2_FORWARDING_PARAMS] = BLKID_L2_FORWARDING_PARAMS,
|
|
[BLK_IDX_GENERAL_PARAMS] = BLKID_GENERAL_PARAMS,
|
|
[BLK_IDX_XMII_PARAMS] = BLKID_XMII_PARAMS,
|
|
};
|
|
|
|
static void
|
|
sja1105_static_config_pack(void *buf, struct sja1105_static_config *config)
|
|
{
|
|
struct sja1105_table_header header = {0};
|
|
enum sja1105_blk_idx i;
|
|
u8 *p = buf;
|
|
int j;
|
|
|
|
sja1105_packing(p, &config->device_id, 31, 0, 4, PACK);
|
|
p += SJA1105_SIZE_DEVICE_ID;
|
|
|
|
for (i = 0; i < BLK_IDX_MAX; i++) {
|
|
const struct sja1105_table *table;
|
|
u8 *table_start;
|
|
|
|
table = &config->tables[i];
|
|
if (!table->entry_count)
|
|
continue;
|
|
|
|
header.block_id = blk_id_map[i];
|
|
header.len = table->entry_count *
|
|
table->ops->packed_entry_size / 4;
|
|
sja1105_table_header_pack_with_crc(p, &header);
|
|
p += SJA1105_SIZE_TABLE_HEADER;
|
|
table_start = p;
|
|
for (j = 0; j < table->entry_count; j++) {
|
|
u8 *entry_ptr = table->entries;
|
|
|
|
entry_ptr += j * table->ops->unpacked_entry_size;
|
|
memset(p, 0, table->ops->packed_entry_size);
|
|
table->ops->packing(p, entry_ptr, PACK);
|
|
p += table->ops->packed_entry_size;
|
|
}
|
|
sja1105_table_write_crc(table_start, p);
|
|
p += 4;
|
|
}
|
|
/* Final header:
|
|
* Block ID does not matter
|
|
* Length of 0 marks that header is final
|
|
* CRC will be replaced on-the-fly
|
|
*/
|
|
header.block_id = 0;
|
|
header.len = 0;
|
|
header.crc = 0xDEADBEEF;
|
|
memset(p, 0, SJA1105_SIZE_TABLE_HEADER);
|
|
sja1105_table_header_packing(p, &header, PACK);
|
|
}
|
|
|
|
static size_t
|
|
sja1105_static_config_get_length(const struct sja1105_static_config *config)
|
|
{
|
|
unsigned int header_count;
|
|
enum sja1105_blk_idx i;
|
|
unsigned int sum;
|
|
|
|
/* Ending header */
|
|
header_count = 1;
|
|
sum = SJA1105_SIZE_DEVICE_ID;
|
|
|
|
/* Tables (headers and entries) */
|
|
for (i = 0; i < BLK_IDX_MAX; i++) {
|
|
const struct sja1105_table *table;
|
|
|
|
table = &config->tables[i];
|
|
if (table->entry_count)
|
|
header_count++;
|
|
|
|
sum += table->ops->packed_entry_size * table->entry_count;
|
|
}
|
|
/* Headers have an additional CRC at the end */
|
|
sum += header_count * (SJA1105_SIZE_TABLE_HEADER + 4);
|
|
/* Last header does not have an extra CRC because there is no data */
|
|
sum -= 4;
|
|
|
|
return sum;
|
|
}
|
|
|
|
/* Compatibility matrices */
|
|
static const struct sja1105_table_ops sja1105et_table_ops[BLK_IDX_MAX] = {
|
|
[BLK_IDX_L2_POLICING] = {
|
|
.packing = sja1105_l2_policing_entry_packing,
|
|
.unpacked_entry_size = sizeof(struct sja1105_l2_policing_entry),
|
|
.packed_entry_size = SJA1105_SIZE_L2_POLICING_ENTRY,
|
|
.max_entry_count = SJA1105_MAX_L2_POLICING_COUNT,
|
|
},
|
|
[BLK_IDX_VLAN_LOOKUP] = {
|
|
.packing = sja1105_vlan_lookup_entry_packing,
|
|
.unpacked_entry_size = sizeof(struct sja1105_vlan_lookup_entry),
|
|
.packed_entry_size = SJA1105_SIZE_VLAN_LOOKUP_ENTRY,
|
|
.max_entry_count = SJA1105_MAX_VLAN_LOOKUP_COUNT,
|
|
},
|
|
[BLK_IDX_L2_FORWARDING] = {
|
|
.packing = sja1105_l2_forwarding_entry_packing,
|
|
.unpacked_entry_size = sizeof(struct sja1105_l2_forwarding_entry),
|
|
.packed_entry_size = SJA1105_SIZE_L2_FORWARDING_ENTRY,
|
|
.max_entry_count = SJA1105_MAX_L2_FORWARDING_COUNT,
|
|
},
|
|
[BLK_IDX_MAC_CONFIG] = {
|
|
.packing = sja1105et_mac_config_entry_packing,
|
|
.unpacked_entry_size = sizeof(struct sja1105_mac_config_entry),
|
|
.packed_entry_size = SJA1105ET_SIZE_MAC_CONFIG_ENTRY,
|
|
.max_entry_count = SJA1105_MAX_MAC_CONFIG_COUNT,
|
|
},
|
|
[BLK_IDX_L2_FORWARDING_PARAMS] = {
|
|
.packing = sja1105_l2_forwarding_params_entry_packing,
|
|
.unpacked_entry_size = sizeof(struct sja1105_l2_forwarding_params_entry),
|
|
.packed_entry_size = SJA1105_SIZE_L2_FORWARDING_PARAMS_ENTRY,
|
|
.max_entry_count = SJA1105_MAX_L2_FORWARDING_PARAMS_COUNT,
|
|
},
|
|
[BLK_IDX_GENERAL_PARAMS] = {
|
|
.packing = sja1105et_general_params_entry_packing,
|
|
.unpacked_entry_size = sizeof(struct sja1105_general_params_entry),
|
|
.packed_entry_size = SJA1105ET_SIZE_GENERAL_PARAMS_ENTRY,
|
|
.max_entry_count = SJA1105_MAX_GENERAL_PARAMS_COUNT,
|
|
},
|
|
[BLK_IDX_XMII_PARAMS] = {
|
|
.packing = sja1105_xmii_params_entry_packing,
|
|
.unpacked_entry_size = sizeof(struct sja1105_xmii_params_entry),
|
|
.packed_entry_size = SJA1105_SIZE_XMII_PARAMS_ENTRY,
|
|
.max_entry_count = SJA1105_MAX_XMII_PARAMS_COUNT,
|
|
},
|
|
};
|
|
|
|
static const struct sja1105_table_ops sja1105pqrs_table_ops[BLK_IDX_MAX] = {
|
|
[BLK_IDX_L2_POLICING] = {
|
|
.packing = sja1105_l2_policing_entry_packing,
|
|
.unpacked_entry_size = sizeof(struct sja1105_l2_policing_entry),
|
|
.packed_entry_size = SJA1105_SIZE_L2_POLICING_ENTRY,
|
|
.max_entry_count = SJA1105_MAX_L2_POLICING_COUNT,
|
|
},
|
|
[BLK_IDX_VLAN_LOOKUP] = {
|
|
.packing = sja1105_vlan_lookup_entry_packing,
|
|
.unpacked_entry_size = sizeof(struct sja1105_vlan_lookup_entry),
|
|
.packed_entry_size = SJA1105_SIZE_VLAN_LOOKUP_ENTRY,
|
|
.max_entry_count = SJA1105_MAX_VLAN_LOOKUP_COUNT,
|
|
},
|
|
[BLK_IDX_L2_FORWARDING] = {
|
|
.packing = sja1105_l2_forwarding_entry_packing,
|
|
.unpacked_entry_size = sizeof(struct sja1105_l2_forwarding_entry),
|
|
.packed_entry_size = SJA1105_SIZE_L2_FORWARDING_ENTRY,
|
|
.max_entry_count = SJA1105_MAX_L2_FORWARDING_COUNT,
|
|
},
|
|
[BLK_IDX_MAC_CONFIG] = {
|
|
.packing = sja1105pqrs_mac_config_entry_packing,
|
|
.unpacked_entry_size = sizeof(struct sja1105_mac_config_entry),
|
|
.packed_entry_size = SJA1105PQRS_SIZE_MAC_CONFIG_ENTRY,
|
|
.max_entry_count = SJA1105_MAX_MAC_CONFIG_COUNT,
|
|
},
|
|
[BLK_IDX_L2_FORWARDING_PARAMS] = {
|
|
.packing = sja1105_l2_forwarding_params_entry_packing,
|
|
.unpacked_entry_size = sizeof(struct sja1105_l2_forwarding_params_entry),
|
|
.packed_entry_size = SJA1105_SIZE_L2_FORWARDING_PARAMS_ENTRY,
|
|
.max_entry_count = SJA1105_MAX_L2_FORWARDING_PARAMS_COUNT,
|
|
},
|
|
[BLK_IDX_GENERAL_PARAMS] = {
|
|
.packing = sja1105pqrs_general_params_entry_packing,
|
|
.unpacked_entry_size = sizeof(struct sja1105_general_params_entry),
|
|
.packed_entry_size = SJA1105PQRS_SIZE_GENERAL_PARAMS_ENTRY,
|
|
.max_entry_count = SJA1105_MAX_GENERAL_PARAMS_COUNT,
|
|
},
|
|
[BLK_IDX_XMII_PARAMS] = {
|
|
.packing = sja1105_xmii_params_entry_packing,
|
|
.unpacked_entry_size = sizeof(struct sja1105_xmii_params_entry),
|
|
.packed_entry_size = SJA1105_SIZE_XMII_PARAMS_ENTRY,
|
|
.max_entry_count = SJA1105_MAX_XMII_PARAMS_COUNT,
|
|
},
|
|
};
|
|
|
|
static const struct sja1105_table_ops sja1110_table_ops[BLK_IDX_MAX] = {
|
|
[BLK_IDX_L2_POLICING] = {
|
|
.packing = sja1110_l2_policing_entry_packing,
|
|
.unpacked_entry_size = sizeof(struct sja1105_l2_policing_entry),
|
|
.packed_entry_size = SJA1105_SIZE_L2_POLICING_ENTRY,
|
|
.max_entry_count = SJA1110_MAX_L2_POLICING_COUNT,
|
|
},
|
|
[BLK_IDX_VLAN_LOOKUP] = {
|
|
.packing = sja1110_vlan_lookup_entry_packing,
|
|
.unpacked_entry_size = sizeof(struct sja1105_vlan_lookup_entry),
|
|
.packed_entry_size = SJA1110_SIZE_VLAN_LOOKUP_ENTRY,
|
|
.max_entry_count = SJA1105_MAX_VLAN_LOOKUP_COUNT,
|
|
},
|
|
[BLK_IDX_L2_FORWARDING] = {
|
|
.packing = sja1110_l2_forwarding_entry_packing,
|
|
.unpacked_entry_size = sizeof(struct sja1105_l2_forwarding_entry),
|
|
.packed_entry_size = SJA1105_SIZE_L2_FORWARDING_ENTRY,
|
|
.max_entry_count = SJA1110_MAX_L2_FORWARDING_COUNT,
|
|
},
|
|
[BLK_IDX_MAC_CONFIG] = {
|
|
.packing = sja1110_mac_config_entry_packing,
|
|
.unpacked_entry_size = sizeof(struct sja1105_mac_config_entry),
|
|
.packed_entry_size = SJA1105PQRS_SIZE_MAC_CONFIG_ENTRY,
|
|
.max_entry_count = SJA1110_MAX_MAC_CONFIG_COUNT,
|
|
},
|
|
[BLK_IDX_L2_FORWARDING_PARAMS] = {
|
|
.packing = sja1110_l2_forwarding_params_entry_packing,
|
|
.unpacked_entry_size = sizeof(struct sja1105_l2_forwarding_params_entry),
|
|
.packed_entry_size = SJA1105_SIZE_L2_FORWARDING_PARAMS_ENTRY,
|
|
.max_entry_count = SJA1105_MAX_L2_FORWARDING_PARAMS_COUNT,
|
|
},
|
|
[BLK_IDX_GENERAL_PARAMS] = {
|
|
.packing = sja1110_general_params_entry_packing,
|
|
.unpacked_entry_size = sizeof(struct sja1105_general_params_entry),
|
|
.packed_entry_size = SJA1110_SIZE_GENERAL_PARAMS_ENTRY,
|
|
.max_entry_count = SJA1105_MAX_GENERAL_PARAMS_COUNT,
|
|
},
|
|
[BLK_IDX_XMII_PARAMS] = {
|
|
.packing = sja1110_xmii_params_entry_packing,
|
|
.unpacked_entry_size = sizeof(struct sja1105_xmii_params_entry),
|
|
.packed_entry_size = SJA1110_SIZE_XMII_PARAMS_ENTRY,
|
|
.max_entry_count = SJA1105_MAX_XMII_PARAMS_COUNT,
|
|
},
|
|
};
|
|
|
|
static int sja1105_init_mii_settings(struct sja1105_private *priv)
|
|
{
|
|
struct sja1105_table *table;
|
|
|
|
table = &priv->static_config.tables[BLK_IDX_XMII_PARAMS];
|
|
|
|
table->entries = calloc(SJA1105_MAX_XMII_PARAMS_COUNT,
|
|
table->ops->unpacked_entry_size);
|
|
if (!table->entries)
|
|
return -ENOMEM;
|
|
|
|
/* Table will be populated at runtime */
|
|
table->entry_count = SJA1105_MAX_XMII_PARAMS_COUNT;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void sja1105_setup_tagging(struct sja1105_private *priv, int port)
|
|
{
|
|
struct dsa_pdata *pdata = dev_get_uclass_plat(priv->dev);
|
|
struct sja1105_vlan_lookup_entry *vlan;
|
|
int cpu = pdata->cpu_port;
|
|
|
|
/* The CPU port is implicitly configured by
|
|
* configuring the front-panel ports
|
|
*/
|
|
if (port == cpu)
|
|
return;
|
|
|
|
vlan = priv->static_config.tables[BLK_IDX_VLAN_LOOKUP].entries;
|
|
|
|
priv->pvid[port] = DSA_8021Q_DIR_TX | DSA_8021Q_PORT(port);
|
|
|
|
vlan[port].vmemb_port = BIT(port) | BIT(cpu);
|
|
vlan[port].vlan_bc = BIT(port) | BIT(cpu);
|
|
vlan[port].tag_port = BIT(cpu);
|
|
vlan[port].vlanid = priv->pvid[port];
|
|
vlan[port].type_entry = SJA1110_VLAN_D_TAG;
|
|
}
|
|
|
|
static int sja1105_init_vlan(struct sja1105_private *priv)
|
|
{
|
|
struct dsa_pdata *pdata = dev_get_uclass_plat(priv->dev);
|
|
struct sja1105_table *table;
|
|
int port;
|
|
|
|
table = &priv->static_config.tables[BLK_IDX_VLAN_LOOKUP];
|
|
|
|
table->entries = calloc(pdata->num_ports,
|
|
table->ops->unpacked_entry_size);
|
|
if (!table->entries)
|
|
return -ENOMEM;
|
|
|
|
table->entry_count = pdata->num_ports;
|
|
|
|
for (port = 0; port < pdata->num_ports; port++)
|
|
sja1105_setup_tagging(priv, port);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
sja1105_port_allow_traffic(struct sja1105_l2_forwarding_entry *l2_fwd,
|
|
int from, int to)
|
|
{
|
|
l2_fwd[from].bc_domain |= BIT(to);
|
|
l2_fwd[from].reach_port |= BIT(to);
|
|
l2_fwd[from].fl_domain |= BIT(to);
|
|
}
|
|
|
|
static int sja1105_init_l2_forwarding(struct sja1105_private *priv)
|
|
{
|
|
struct dsa_pdata *pdata = dev_get_uclass_plat(priv->dev);
|
|
struct sja1105_l2_forwarding_entry *l2fwd;
|
|
struct sja1105_table *table;
|
|
int cpu = pdata->cpu_port;
|
|
int i;
|
|
|
|
table = &priv->static_config.tables[BLK_IDX_L2_FORWARDING];
|
|
|
|
table->entries = calloc(SJA1105_MAX_L2_FORWARDING_COUNT,
|
|
table->ops->unpacked_entry_size);
|
|
if (!table->entries)
|
|
return -ENOMEM;
|
|
|
|
table->entry_count = SJA1105_MAX_L2_FORWARDING_COUNT;
|
|
|
|
l2fwd = table->entries;
|
|
|
|
/* First 5 entries define the forwarding rules */
|
|
for (i = 0; i < pdata->num_ports; i++) {
|
|
if (i == cpu)
|
|
continue;
|
|
|
|
sja1105_port_allow_traffic(l2fwd, i, cpu);
|
|
sja1105_port_allow_traffic(l2fwd, cpu, i);
|
|
}
|
|
/* Next 8 entries define VLAN PCP mapping from ingress to egress.
|
|
* Leave them unpopulated (implicitly 0) but present.
|
|
*/
|
|
return 0;
|
|
}
|
|
|
|
static int sja1105_init_l2_forwarding_params(struct sja1105_private *priv)
|
|
{
|
|
struct sja1105_l2_forwarding_params_entry default_l2fwd_params = {
|
|
/* Use a single memory partition for all ingress queues */
|
|
.part_spc = { SJA1105_MAX_FRAME_MEMORY, 0, 0, 0, 0, 0, 0, 0 },
|
|
};
|
|
struct sja1105_table *table;
|
|
|
|
table = &priv->static_config.tables[BLK_IDX_L2_FORWARDING_PARAMS];
|
|
|
|
table->entries = calloc(SJA1105_MAX_L2_FORWARDING_PARAMS_COUNT,
|
|
table->ops->unpacked_entry_size);
|
|
if (!table->entries)
|
|
return -ENOMEM;
|
|
|
|
table->entry_count = SJA1105_MAX_L2_FORWARDING_PARAMS_COUNT;
|
|
|
|
/* This table only has a single entry */
|
|
((struct sja1105_l2_forwarding_params_entry *)table->entries)[0] =
|
|
default_l2fwd_params;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sja1105_init_general_params(struct sja1105_private *priv)
|
|
{
|
|
struct dsa_pdata *pdata = dev_get_uclass_plat(priv->dev);
|
|
struct sja1105_general_params_entry default_general_params = {
|
|
/* No frame trapping */
|
|
.mac_fltres1 = 0x0,
|
|
.mac_flt1 = 0xffffffffffff,
|
|
.mac_fltres0 = 0x0,
|
|
.mac_flt0 = 0xffffffffffff,
|
|
.host_port = pdata->num_ports,
|
|
/* No mirroring => specify an out-of-range port value */
|
|
.mirr_port = pdata->num_ports,
|
|
/* No link-local trapping => specify an out-of-range port value
|
|
*/
|
|
.casc_port = pdata->num_ports,
|
|
/* Force the switch to see all traffic as untagged. */
|
|
.tpid = ETH_P_SJA1105,
|
|
.tpid2 = ETH_P_SJA1105,
|
|
};
|
|
struct sja1105_table *table;
|
|
|
|
table = &priv->static_config.tables[BLK_IDX_GENERAL_PARAMS];
|
|
|
|
table->entries = calloc(SJA1105_MAX_GENERAL_PARAMS_COUNT,
|
|
table->ops->unpacked_entry_size);
|
|
if (!table->entries)
|
|
return -ENOMEM;
|
|
|
|
table->entry_count = SJA1105_MAX_GENERAL_PARAMS_COUNT;
|
|
|
|
/* This table only has a single entry */
|
|
((struct sja1105_general_params_entry *)table->entries)[0] =
|
|
default_general_params;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void sja1105_setup_policer(struct sja1105_l2_policing_entry *policing,
|
|
int index, int mtu)
|
|
{
|
|
policing[index].sharindx = index;
|
|
policing[index].smax = 65535; /* Burst size in bytes */
|
|
policing[index].rate = SJA1105_RATE_MBPS(1000);
|
|
policing[index].maxlen = mtu;
|
|
policing[index].partition = 0;
|
|
}
|
|
|
|
static int sja1105_init_l2_policing(struct sja1105_private *priv)
|
|
{
|
|
struct dsa_pdata *pdata = dev_get_uclass_plat(priv->dev);
|
|
struct sja1105_l2_policing_entry *policing;
|
|
struct sja1105_table *table;
|
|
int cpu = pdata->cpu_port;
|
|
int i, j, k;
|
|
|
|
table = &priv->static_config.tables[BLK_IDX_L2_POLICING];
|
|
|
|
table->entries = calloc(SJA1105_MAX_L2_POLICING_COUNT,
|
|
table->ops->unpacked_entry_size);
|
|
if (!table->entries)
|
|
return -ENOMEM;
|
|
|
|
table->entry_count = SJA1105_MAX_L2_POLICING_COUNT;
|
|
|
|
policing = table->entries;
|
|
|
|
/* k sweeps through all unicast policers (0-39).
|
|
* bcast sweeps through policers 40-44.
|
|
*/
|
|
for (i = 0, k = 0; i < pdata->num_ports; i++) {
|
|
int bcast = (pdata->num_ports * SJA1105_NUM_TC) + i;
|
|
int mtu = VLAN_ETH_FRAME_LEN + ETH_FCS_LEN;
|
|
|
|
if (i == cpu)
|
|
mtu += VLAN_HLEN;
|
|
|
|
for (j = 0; j < SJA1105_NUM_TC; j++, k++)
|
|
sja1105_setup_policer(policing, k, mtu);
|
|
|
|
/* Set up this port's policer for broadcast traffic */
|
|
sja1105_setup_policer(policing, bcast, mtu);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int sja1105_init_mac_settings(struct sja1105_private *priv)
|
|
{
|
|
struct sja1105_mac_config_entry default_mac = {
|
|
/* Enable 1 priority queue on egress. */
|
|
.top = {0x1FF, 0, 0, 0, 0, 0, 0},
|
|
.base = {0x0, 0, 0, 0, 0, 0, 0, 0},
|
|
.enabled = {1, 0, 0, 0, 0, 0, 0, 0},
|
|
/* Will be overridden in sja1105_port_enable. */
|
|
.speed = priv->info->port_speed[SJA1105_SPEED_AUTO],
|
|
.egress = true,
|
|
.ingress = true,
|
|
};
|
|
struct dsa_pdata *pdata = dev_get_uclass_plat(priv->dev);
|
|
struct sja1105_mac_config_entry *mac;
|
|
struct sja1105_table *table;
|
|
int port;
|
|
|
|
table = &priv->static_config.tables[BLK_IDX_MAC_CONFIG];
|
|
|
|
table->entries = calloc(pdata->num_ports,
|
|
table->ops->unpacked_entry_size);
|
|
if (!table->entries)
|
|
return -ENOMEM;
|
|
|
|
table->entry_count = pdata->num_ports;
|
|
|
|
mac = table->entries;
|
|
|
|
for (port = 0; port < pdata->num_ports; port++) {
|
|
mac[port] = default_mac;
|
|
/* Internal VLAN (pvid) to apply to untagged ingress */
|
|
mac[port].vlanid = priv->pvid[port];
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sja1105_static_config_init(struct sja1105_private *priv)
|
|
{
|
|
struct sja1105_static_config *config = &priv->static_config;
|
|
const struct sja1105_table_ops *static_ops = priv->info->static_ops;
|
|
u64 device_id = priv->info->device_id;
|
|
enum sja1105_blk_idx i;
|
|
int rc;
|
|
|
|
*config = (struct sja1105_static_config) {0};
|
|
|
|
/* Transfer static_ops array from priv into per-table ops
|
|
* for handier access
|
|
*/
|
|
for (i = 0; i < BLK_IDX_MAX; i++)
|
|
config->tables[i].ops = &static_ops[i];
|
|
|
|
config->device_id = device_id;
|
|
|
|
/* Build initial static configuration, to be fixed up during runtime */
|
|
rc = sja1105_init_vlan(priv);
|
|
if (rc < 0)
|
|
return rc;
|
|
rc = sja1105_init_mac_settings(priv);
|
|
if (rc < 0)
|
|
return rc;
|
|
rc = sja1105_init_mii_settings(priv);
|
|
if (rc < 0)
|
|
return rc;
|
|
rc = sja1105_init_l2_forwarding(priv);
|
|
if (rc < 0)
|
|
return rc;
|
|
rc = sja1105_init_l2_forwarding_params(priv);
|
|
if (rc < 0)
|
|
return rc;
|
|
rc = sja1105_init_l2_policing(priv);
|
|
if (rc < 0)
|
|
return rc;
|
|
rc = sja1105_init_general_params(priv);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void sja1105_static_config_free(struct sja1105_static_config *config)
|
|
{
|
|
enum sja1105_blk_idx i;
|
|
|
|
for (i = 0; i < BLK_IDX_MAX; i++) {
|
|
if (config->tables[i].entry_count) {
|
|
free(config->tables[i].entries);
|
|
config->tables[i].entry_count = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void sja1105_cgu_idiv_packing(void *buf, struct sja1105_cgu_idiv *idiv,
|
|
enum packing_op op)
|
|
{
|
|
const int size = 4;
|
|
|
|
sja1105_packing(buf, &idiv->clksrc, 28, 24, size, op);
|
|
sja1105_packing(buf, &idiv->autoblock, 11, 11, size, op);
|
|
sja1105_packing(buf, &idiv->idiv, 5, 2, size, op);
|
|
sja1105_packing(buf, &idiv->pd, 0, 0, size, op);
|
|
}
|
|
|
|
static int sja1105_cgu_idiv_config(struct sja1105_private *priv, int port,
|
|
bool enabled, int factor)
|
|
{
|
|
const struct sja1105_regs *regs = priv->info->regs;
|
|
u8 packed_buf[SJA1105_SIZE_CGU_CMD] = {0};
|
|
struct sja1105_cgu_idiv idiv;
|
|
|
|
if (regs->cgu_idiv[port] == SJA1105_RSV_ADDR)
|
|
return 0;
|
|
|
|
if (enabled && factor != 1 && factor != 10)
|
|
return -ERANGE;
|
|
|
|
/* Payload for packed_buf */
|
|
idiv.clksrc = 0x0A; /* 25MHz */
|
|
idiv.autoblock = 1; /* Block clk automatically */
|
|
idiv.idiv = factor - 1; /* Divide by 1 or 10 */
|
|
idiv.pd = enabled ? 0 : 1; /* Power down? */
|
|
sja1105_cgu_idiv_packing(packed_buf, &idiv, PACK);
|
|
|
|
return sja1105_xfer_buf(priv, SPI_WRITE, regs->cgu_idiv[port],
|
|
packed_buf, SJA1105_SIZE_CGU_CMD);
|
|
}
|
|
|
|
static void
|
|
sja1105_cgu_mii_control_packing(void *buf, struct sja1105_cgu_mii_ctrl *cmd,
|
|
enum packing_op op)
|
|
{
|
|
const int size = 4;
|
|
|
|
sja1105_packing(buf, &cmd->clksrc, 28, 24, size, op);
|
|
sja1105_packing(buf, &cmd->autoblock, 11, 11, size, op);
|
|
sja1105_packing(buf, &cmd->pd, 0, 0, size, op);
|
|
}
|
|
|
|
static int sja1105_cgu_mii_tx_clk_config(struct sja1105_private *priv,
|
|
int port, sja1105_mii_role_t role)
|
|
{
|
|
const struct sja1105_regs *regs = priv->info->regs;
|
|
struct sja1105_cgu_mii_ctrl mii_tx_clk;
|
|
const int mac_clk_sources[] = {
|
|
CLKSRC_MII0_TX_CLK,
|
|
CLKSRC_MII1_TX_CLK,
|
|
CLKSRC_MII2_TX_CLK,
|
|
CLKSRC_MII3_TX_CLK,
|
|
CLKSRC_MII4_TX_CLK,
|
|
};
|
|
const int phy_clk_sources[] = {
|
|
CLKSRC_IDIV0,
|
|
CLKSRC_IDIV1,
|
|
CLKSRC_IDIV2,
|
|
CLKSRC_IDIV3,
|
|
CLKSRC_IDIV4,
|
|
};
|
|
u8 packed_buf[SJA1105_SIZE_CGU_CMD] = {0};
|
|
int clksrc;
|
|
|
|
if (regs->mii_tx_clk[port] == SJA1105_RSV_ADDR)
|
|
return 0;
|
|
|
|
if (role == XMII_MAC)
|
|
clksrc = mac_clk_sources[port];
|
|
else
|
|
clksrc = phy_clk_sources[port];
|
|
|
|
/* Payload for packed_buf */
|
|
mii_tx_clk.clksrc = clksrc;
|
|
mii_tx_clk.autoblock = 1; /* Autoblock clk while changing clksrc */
|
|
mii_tx_clk.pd = 0; /* Power Down off => enabled */
|
|
sja1105_cgu_mii_control_packing(packed_buf, &mii_tx_clk, PACK);
|
|
|
|
return sja1105_xfer_buf(priv, SPI_WRITE, regs->mii_tx_clk[port],
|
|
packed_buf, SJA1105_SIZE_CGU_CMD);
|
|
}
|
|
|
|
static int
|
|
sja1105_cgu_mii_rx_clk_config(struct sja1105_private *priv, int port)
|
|
{
|
|
const struct sja1105_regs *regs = priv->info->regs;
|
|
u8 packed_buf[SJA1105_SIZE_CGU_CMD] = {0};
|
|
struct sja1105_cgu_mii_ctrl mii_rx_clk;
|
|
const int clk_sources[] = {
|
|
CLKSRC_MII0_RX_CLK,
|
|
CLKSRC_MII1_RX_CLK,
|
|
CLKSRC_MII2_RX_CLK,
|
|
CLKSRC_MII3_RX_CLK,
|
|
CLKSRC_MII4_RX_CLK,
|
|
};
|
|
|
|
if (regs->mii_rx_clk[port] == SJA1105_RSV_ADDR)
|
|
return 0;
|
|
|
|
/* Payload for packed_buf */
|
|
mii_rx_clk.clksrc = clk_sources[port];
|
|
mii_rx_clk.autoblock = 1; /* Autoblock clk while changing clksrc */
|
|
mii_rx_clk.pd = 0; /* Power Down off => enabled */
|
|
sja1105_cgu_mii_control_packing(packed_buf, &mii_rx_clk, PACK);
|
|
|
|
return sja1105_xfer_buf(priv, SPI_WRITE, regs->mii_rx_clk[port],
|
|
packed_buf, SJA1105_SIZE_CGU_CMD);
|
|
}
|
|
|
|
static int
|
|
sja1105_cgu_mii_ext_tx_clk_config(struct sja1105_private *priv, int port)
|
|
{
|
|
const struct sja1105_regs *regs = priv->info->regs;
|
|
struct sja1105_cgu_mii_ctrl mii_ext_tx_clk;
|
|
u8 packed_buf[SJA1105_SIZE_CGU_CMD] = {0};
|
|
const int clk_sources[] = {
|
|
CLKSRC_IDIV0,
|
|
CLKSRC_IDIV1,
|
|
CLKSRC_IDIV2,
|
|
CLKSRC_IDIV3,
|
|
CLKSRC_IDIV4,
|
|
};
|
|
|
|
if (regs->mii_ext_tx_clk[port] == SJA1105_RSV_ADDR)
|
|
return 0;
|
|
|
|
/* Payload for packed_buf */
|
|
mii_ext_tx_clk.clksrc = clk_sources[port];
|
|
mii_ext_tx_clk.autoblock = 1; /* Autoblock clk while changing clksrc */
|
|
mii_ext_tx_clk.pd = 0; /* Power Down off => enabled */
|
|
sja1105_cgu_mii_control_packing(packed_buf, &mii_ext_tx_clk, PACK);
|
|
|
|
return sja1105_xfer_buf(priv, SPI_WRITE, regs->mii_ext_tx_clk[port],
|
|
packed_buf, SJA1105_SIZE_CGU_CMD);
|
|
}
|
|
|
|
static int
|
|
sja1105_cgu_mii_ext_rx_clk_config(struct sja1105_private *priv, int port)
|
|
{
|
|
const struct sja1105_regs *regs = priv->info->regs;
|
|
struct sja1105_cgu_mii_ctrl mii_ext_rx_clk;
|
|
u8 packed_buf[SJA1105_SIZE_CGU_CMD] = {0};
|
|
const int clk_sources[] = {
|
|
CLKSRC_IDIV0,
|
|
CLKSRC_IDIV1,
|
|
CLKSRC_IDIV2,
|
|
CLKSRC_IDIV3,
|
|
CLKSRC_IDIV4,
|
|
};
|
|
|
|
if (regs->mii_ext_rx_clk[port] == SJA1105_RSV_ADDR)
|
|
return 0;
|
|
|
|
/* Payload for packed_buf */
|
|
mii_ext_rx_clk.clksrc = clk_sources[port];
|
|
mii_ext_rx_clk.autoblock = 1; /* Autoblock clk while changing clksrc */
|
|
mii_ext_rx_clk.pd = 0; /* Power Down off => enabled */
|
|
sja1105_cgu_mii_control_packing(packed_buf, &mii_ext_rx_clk, PACK);
|
|
|
|
return sja1105_xfer_buf(priv, SPI_WRITE, regs->mii_ext_rx_clk[port],
|
|
packed_buf, SJA1105_SIZE_CGU_CMD);
|
|
}
|
|
|
|
static int sja1105_mii_clocking_setup(struct sja1105_private *priv, int port,
|
|
sja1105_mii_role_t role)
|
|
{
|
|
int rc;
|
|
|
|
rc = sja1105_cgu_idiv_config(priv, port, (role == XMII_PHY), 1);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
rc = sja1105_cgu_mii_tx_clk_config(priv, port, role);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
rc = sja1105_cgu_mii_rx_clk_config(priv, port);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
if (role == XMII_PHY) {
|
|
rc = sja1105_cgu_mii_ext_tx_clk_config(priv, port);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
rc = sja1105_cgu_mii_ext_rx_clk_config(priv, port);
|
|
if (rc < 0)
|
|
return rc;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
sja1105_cgu_pll_control_packing(void *buf, struct sja1105_cgu_pll_ctrl *cmd,
|
|
enum packing_op op)
|
|
{
|
|
const int size = 4;
|
|
|
|
sja1105_packing(buf, &cmd->pllclksrc, 28, 24, size, op);
|
|
sja1105_packing(buf, &cmd->msel, 23, 16, size, op);
|
|
sja1105_packing(buf, &cmd->autoblock, 11, 11, size, op);
|
|
sja1105_packing(buf, &cmd->psel, 9, 8, size, op);
|
|
sja1105_packing(buf, &cmd->direct, 7, 7, size, op);
|
|
sja1105_packing(buf, &cmd->fbsel, 6, 6, size, op);
|
|
sja1105_packing(buf, &cmd->bypass, 1, 1, size, op);
|
|
sja1105_packing(buf, &cmd->pd, 0, 0, size, op);
|
|
}
|
|
|
|
static int sja1105_cgu_rgmii_tx_clk_config(struct sja1105_private *priv,
|
|
int port, u64 speed)
|
|
{
|
|
const struct sja1105_regs *regs = priv->info->regs;
|
|
struct sja1105_cgu_mii_ctrl txc;
|
|
u8 packed_buf[SJA1105_SIZE_CGU_CMD] = {0};
|
|
int clksrc;
|
|
|
|
if (regs->rgmii_tx_clk[port] == SJA1105_RSV_ADDR)
|
|
return 0;
|
|
|
|
if (speed == priv->info->port_speed[SJA1105_SPEED_1000MBPS]) {
|
|
clksrc = CLKSRC_PLL0;
|
|
} else {
|
|
int clk_sources[] = {CLKSRC_IDIV0, CLKSRC_IDIV1, CLKSRC_IDIV2,
|
|
CLKSRC_IDIV3, CLKSRC_IDIV4};
|
|
clksrc = clk_sources[port];
|
|
}
|
|
|
|
/* RGMII: 125MHz for 1000, 25MHz for 100, 2.5MHz for 10 */
|
|
txc.clksrc = clksrc;
|
|
/* Autoblock clk while changing clksrc */
|
|
txc.autoblock = 1;
|
|
/* Power Down off => enabled */
|
|
txc.pd = 0;
|
|
sja1105_cgu_mii_control_packing(packed_buf, &txc, PACK);
|
|
|
|
return sja1105_xfer_buf(priv, SPI_WRITE, regs->rgmii_tx_clk[port],
|
|
packed_buf, SJA1105_SIZE_CGU_CMD);
|
|
}
|
|
|
|
/* AGU */
|
|
static void
|
|
sja1105_cfg_pad_mii_packing(void *buf, struct sja1105_cfg_pad_mii *cmd,
|
|
enum packing_op op)
|
|
{
|
|
const int size = 4;
|
|
|
|
sja1105_packing(buf, &cmd->d32_os, 28, 27, size, op);
|
|
sja1105_packing(buf, &cmd->d32_ih, 26, 26, size, op);
|
|
sja1105_packing(buf, &cmd->d32_ipud, 25, 24, size, op);
|
|
sja1105_packing(buf, &cmd->d10_os, 20, 19, size, op);
|
|
sja1105_packing(buf, &cmd->d10_ih, 18, 18, size, op);
|
|
sja1105_packing(buf, &cmd->d10_ipud, 17, 16, size, op);
|
|
sja1105_packing(buf, &cmd->ctrl_os, 12, 11, size, op);
|
|
sja1105_packing(buf, &cmd->ctrl_ih, 10, 10, size, op);
|
|
sja1105_packing(buf, &cmd->ctrl_ipud, 9, 8, size, op);
|
|
sja1105_packing(buf, &cmd->clk_os, 4, 3, size, op);
|
|
sja1105_packing(buf, &cmd->clk_ih, 2, 2, size, op);
|
|
sja1105_packing(buf, &cmd->clk_ipud, 1, 0, size, op);
|
|
}
|
|
|
|
static void
|
|
sja1110_cfg_pad_mii_id_packing(void *buf, struct sja1105_cfg_pad_mii_id *cmd,
|
|
enum packing_op op)
|
|
{
|
|
const int size = SJA1105_SIZE_CGU_CMD;
|
|
u64 range = 4;
|
|
|
|
/* Fields RXC_RANGE and TXC_RANGE select the input frequency range:
|
|
* 0 = 2.5MHz
|
|
* 1 = 25MHz
|
|
* 2 = 50MHz
|
|
* 3 = 125MHz
|
|
* 4 = Automatically determined by port speed.
|
|
* There's no point in defining a structure different than the one for
|
|
* SJA1105, so just hardcode the frequency range to automatic, just as
|
|
* before.
|
|
*/
|
|
sja1105_packing(buf, &cmd->rxc_stable_ovr, 26, 26, size, op);
|
|
sja1105_packing(buf, &cmd->rxc_delay, 25, 21, size, op);
|
|
sja1105_packing(buf, &range, 20, 18, size, op);
|
|
sja1105_packing(buf, &cmd->rxc_bypass, 17, 17, size, op);
|
|
sja1105_packing(buf, &cmd->rxc_pd, 16, 16, size, op);
|
|
sja1105_packing(buf, &cmd->txc_stable_ovr, 10, 10, size, op);
|
|
sja1105_packing(buf, &cmd->txc_delay, 9, 5, size, op);
|
|
sja1105_packing(buf, &range, 4, 2, size, op);
|
|
sja1105_packing(buf, &cmd->txc_bypass, 1, 1, size, op);
|
|
sja1105_packing(buf, &cmd->txc_pd, 0, 0, size, op);
|
|
}
|
|
|
|
static int sja1105_rgmii_cfg_pad_tx_config(struct sja1105_private *priv,
|
|
int port)
|
|
{
|
|
const struct sja1105_regs *regs = priv->info->regs;
|
|
struct sja1105_cfg_pad_mii pad_mii_tx = {0};
|
|
u8 packed_buf[SJA1105_SIZE_CGU_CMD] = {0};
|
|
|
|
if (regs->pad_mii_tx[port] == SJA1105_RSV_ADDR)
|
|
return 0;
|
|
|
|
/* Payload */
|
|
pad_mii_tx.d32_os = 3; /* TXD[3:2] output stage: */
|
|
/* high noise/high speed */
|
|
pad_mii_tx.d10_os = 3; /* TXD[1:0] output stage: */
|
|
/* high noise/high speed */
|
|
pad_mii_tx.d32_ipud = 2; /* TXD[3:2] input stage: */
|
|
/* plain input (default) */
|
|
pad_mii_tx.d10_ipud = 2; /* TXD[1:0] input stage: */
|
|
/* plain input (default) */
|
|
pad_mii_tx.ctrl_os = 3; /* TX_CTL / TX_ER output stage */
|
|
pad_mii_tx.ctrl_ipud = 2; /* TX_CTL / TX_ER input stage (default) */
|
|
pad_mii_tx.clk_os = 3; /* TX_CLK output stage */
|
|
pad_mii_tx.clk_ih = 0; /* TX_CLK input hysteresis (default) */
|
|
pad_mii_tx.clk_ipud = 2; /* TX_CLK input stage (default) */
|
|
sja1105_cfg_pad_mii_packing(packed_buf, &pad_mii_tx, PACK);
|
|
|
|
return sja1105_xfer_buf(priv, SPI_WRITE, regs->pad_mii_tx[port],
|
|
packed_buf, SJA1105_SIZE_CGU_CMD);
|
|
}
|
|
|
|
static int sja1105_cfg_pad_rx_config(struct sja1105_private *priv, int port)
|
|
{
|
|
const struct sja1105_regs *regs = priv->info->regs;
|
|
struct sja1105_cfg_pad_mii pad_mii_rx = {0};
|
|
u8 packed_buf[SJA1105_SIZE_CGU_CMD] = {0};
|
|
|
|
if (regs->pad_mii_rx[port] == SJA1105_RSV_ADDR)
|
|
return 0;
|
|
|
|
/* Payload */
|
|
pad_mii_rx.d32_ih = 0; /* RXD[3:2] input stage hysteresis: */
|
|
/* non-Schmitt (default) */
|
|
pad_mii_rx.d32_ipud = 2; /* RXD[3:2] input weak pull-up/down */
|
|
/* plain input (default) */
|
|
pad_mii_rx.d10_ih = 0; /* RXD[1:0] input stage hysteresis: */
|
|
/* non-Schmitt (default) */
|
|
pad_mii_rx.d10_ipud = 2; /* RXD[1:0] input weak pull-up/down */
|
|
/* plain input (default) */
|
|
pad_mii_rx.ctrl_ih = 0; /* RX_DV/CRS_DV/RX_CTL and RX_ER */
|
|
/* input stage hysteresis: */
|
|
/* non-Schmitt (default) */
|
|
pad_mii_rx.ctrl_ipud = 3; /* RX_DV/CRS_DV/RX_CTL and RX_ER */
|
|
/* input stage weak pull-up/down: */
|
|
/* pull-down */
|
|
pad_mii_rx.clk_os = 2; /* RX_CLK/RXC output stage: */
|
|
/* medium noise/fast speed (default) */
|
|
pad_mii_rx.clk_ih = 0; /* RX_CLK/RXC input hysteresis: */
|
|
/* non-Schmitt (default) */
|
|
pad_mii_rx.clk_ipud = 2; /* RX_CLK/RXC input pull-up/down: */
|
|
/* plain input (default) */
|
|
sja1105_cfg_pad_mii_packing(packed_buf, &pad_mii_rx, PACK);
|
|
|
|
return sja1105_xfer_buf(priv, SPI_WRITE, regs->pad_mii_rx[port],
|
|
packed_buf, SJA1105_SIZE_CGU_CMD);
|
|
}
|
|
|
|
static void
|
|
sja1105_cfg_pad_mii_id_packing(void *buf, struct sja1105_cfg_pad_mii_id *cmd,
|
|
enum packing_op op)
|
|
{
|
|
const int size = SJA1105_SIZE_CGU_CMD;
|
|
|
|
sja1105_packing(buf, &cmd->rxc_stable_ovr, 15, 15, size, op);
|
|
sja1105_packing(buf, &cmd->rxc_delay, 14, 10, size, op);
|
|
sja1105_packing(buf, &cmd->rxc_bypass, 9, 9, size, op);
|
|
sja1105_packing(buf, &cmd->rxc_pd, 8, 8, size, op);
|
|
sja1105_packing(buf, &cmd->txc_stable_ovr, 7, 7, size, op);
|
|
sja1105_packing(buf, &cmd->txc_delay, 6, 2, size, op);
|
|
sja1105_packing(buf, &cmd->txc_bypass, 1, 1, size, op);
|
|
sja1105_packing(buf, &cmd->txc_pd, 0, 0, size, op);
|
|
}
|
|
|
|
/* Valid range in degrees is an integer between 73.8 and 101.7 */
|
|
static u64 sja1105_rgmii_delay(u64 phase)
|
|
{
|
|
/* UM11040.pdf: The delay in degree phase is 73.8 + delay_tune * 0.9.
|
|
* To avoid floating point operations we'll multiply by 10
|
|
* and get 1 decimal point precision.
|
|
*/
|
|
phase *= 10;
|
|
return (phase - 738) / 9;
|
|
}
|
|
|
|
static int sja1105pqrs_setup_rgmii_delay(struct sja1105_private *priv, int port)
|
|
{
|
|
const struct sja1105_regs *regs = priv->info->regs;
|
|
struct sja1105_cfg_pad_mii_id pad_mii_id = {0};
|
|
u8 packed_buf[SJA1105_SIZE_CGU_CMD] = {0};
|
|
int rc;
|
|
|
|
if (priv->rgmii_rx_delay[port])
|
|
pad_mii_id.rxc_delay = sja1105_rgmii_delay(90);
|
|
if (priv->rgmii_tx_delay[port])
|
|
pad_mii_id.txc_delay = sja1105_rgmii_delay(90);
|
|
|
|
/* Stage 1: Turn the RGMII delay lines off. */
|
|
pad_mii_id.rxc_bypass = 1;
|
|
pad_mii_id.rxc_pd = 1;
|
|
pad_mii_id.txc_bypass = 1;
|
|
pad_mii_id.txc_pd = 1;
|
|
sja1105_cfg_pad_mii_id_packing(packed_buf, &pad_mii_id, PACK);
|
|
|
|
rc = sja1105_xfer_buf(priv, SPI_WRITE, regs->pad_mii_id[port],
|
|
packed_buf, SJA1105_SIZE_CGU_CMD);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
/* Stage 2: Turn the RGMII delay lines on. */
|
|
if (priv->rgmii_rx_delay[port]) {
|
|
pad_mii_id.rxc_bypass = 0;
|
|
pad_mii_id.rxc_pd = 0;
|
|
}
|
|
if (priv->rgmii_tx_delay[port]) {
|
|
pad_mii_id.txc_bypass = 0;
|
|
pad_mii_id.txc_pd = 0;
|
|
}
|
|
sja1105_cfg_pad_mii_id_packing(packed_buf, &pad_mii_id, PACK);
|
|
|
|
return sja1105_xfer_buf(priv, SPI_WRITE, regs->pad_mii_id[port],
|
|
packed_buf, SJA1105_SIZE_CGU_CMD);
|
|
}
|
|
|
|
static int sja1110_setup_rgmii_delay(struct sja1105_private *priv, int port)
|
|
{
|
|
const struct sja1105_regs *regs = priv->info->regs;
|
|
struct sja1105_cfg_pad_mii_id pad_mii_id = {0};
|
|
u8 packed_buf[SJA1105_SIZE_CGU_CMD] = {0};
|
|
|
|
pad_mii_id.rxc_pd = 1;
|
|
pad_mii_id.txc_pd = 1;
|
|
|
|
if (priv->rgmii_rx_delay[port]) {
|
|
pad_mii_id.rxc_delay = sja1105_rgmii_delay(90);
|
|
/* The "BYPASS" bit in SJA1110 is actually a "don't bypass" */
|
|
pad_mii_id.rxc_bypass = 1;
|
|
pad_mii_id.rxc_pd = 0;
|
|
}
|
|
|
|
if (priv->rgmii_tx_delay[port]) {
|
|
pad_mii_id.txc_delay = sja1105_rgmii_delay(90);
|
|
pad_mii_id.txc_bypass = 1;
|
|
pad_mii_id.txc_pd = 0;
|
|
}
|
|
|
|
sja1110_cfg_pad_mii_id_packing(packed_buf, &pad_mii_id, PACK);
|
|
|
|
return sja1105_xfer_buf(priv, SPI_WRITE, regs->pad_mii_id[port],
|
|
packed_buf, SJA1105_SIZE_CGU_CMD);
|
|
}
|
|
|
|
static int sja1105_rgmii_clocking_setup(struct sja1105_private *priv, int port,
|
|
sja1105_mii_role_t role)
|
|
{
|
|
struct sja1105_mac_config_entry *mac;
|
|
struct udevice *dev = priv->dev;
|
|
u64 speed;
|
|
int rc;
|
|
|
|
mac = priv->static_config.tables[BLK_IDX_MAC_CONFIG].entries;
|
|
speed = mac[port].speed;
|
|
|
|
if (speed == priv->info->port_speed[SJA1105_SPEED_1000MBPS]) {
|
|
/* 1000Mbps, IDIV disabled (125 MHz) */
|
|
rc = sja1105_cgu_idiv_config(priv, port, false, 1);
|
|
} else if (speed == priv->info->port_speed[SJA1105_SPEED_100MBPS]) {
|
|
/* 100Mbps, IDIV enabled, divide by 1 (25 MHz) */
|
|
rc = sja1105_cgu_idiv_config(priv, port, true, 1);
|
|
} else if (speed == priv->info->port_speed[SJA1105_SPEED_10MBPS]) {
|
|
/* 10Mbps, IDIV enabled, divide by 10 (2.5 MHz) */
|
|
rc = sja1105_cgu_idiv_config(priv, port, true, 10);
|
|
} else if (speed == priv->info->port_speed[SJA1105_SPEED_AUTO]) {
|
|
/* Skip CGU configuration if there is no speed available
|
|
* (e.g. link is not established yet)
|
|
*/
|
|
dev_dbg(dev, "Speed not available, skipping CGU config\n");
|
|
return 0;
|
|
} else {
|
|
rc = -EINVAL;
|
|
}
|
|
|
|
if (rc < 0) {
|
|
dev_err(dev, "Failed to configure idiv\n");
|
|
return rc;
|
|
}
|
|
rc = sja1105_cgu_rgmii_tx_clk_config(priv, port, speed);
|
|
if (rc < 0) {
|
|
dev_err(dev, "Failed to configure RGMII Tx clock\n");
|
|
return rc;
|
|
}
|
|
rc = sja1105_rgmii_cfg_pad_tx_config(priv, port);
|
|
if (rc < 0) {
|
|
dev_err(dev, "Failed to configure Tx pad registers\n");
|
|
return rc;
|
|
}
|
|
|
|
if (!priv->info->setup_rgmii_delay)
|
|
return 0;
|
|
|
|
return priv->info->setup_rgmii_delay(priv, port);
|
|
}
|
|
|
|
static int sja1105_cgu_rmii_ref_clk_config(struct sja1105_private *priv,
|
|
int port)
|
|
{
|
|
const struct sja1105_regs *regs = priv->info->regs;
|
|
u8 packed_buf[SJA1105_SIZE_CGU_CMD] = {0};
|
|
struct sja1105_cgu_mii_ctrl ref_clk;
|
|
const int clk_sources[] = {
|
|
CLKSRC_MII0_TX_CLK,
|
|
CLKSRC_MII1_TX_CLK,
|
|
CLKSRC_MII2_TX_CLK,
|
|
CLKSRC_MII3_TX_CLK,
|
|
CLKSRC_MII4_TX_CLK,
|
|
};
|
|
|
|
if (regs->rmii_ref_clk[port] == SJA1105_RSV_ADDR)
|
|
return 0;
|
|
|
|
/* Payload for packed_buf */
|
|
ref_clk.clksrc = clk_sources[port];
|
|
ref_clk.autoblock = 1; /* Autoblock clk while changing clksrc */
|
|
ref_clk.pd = 0; /* Power Down off => enabled */
|
|
sja1105_cgu_mii_control_packing(packed_buf, &ref_clk, PACK);
|
|
|
|
return sja1105_xfer_buf(priv, SPI_WRITE, regs->rmii_ref_clk[port],
|
|
packed_buf, SJA1105_SIZE_CGU_CMD);
|
|
}
|
|
|
|
static int
|
|
sja1105_cgu_rmii_ext_tx_clk_config(struct sja1105_private *priv, int port)
|
|
{
|
|
const struct sja1105_regs *regs = priv->info->regs;
|
|
struct sja1105_cgu_mii_ctrl ext_tx_clk;
|
|
u8 packed_buf[SJA1105_SIZE_CGU_CMD] = {0};
|
|
|
|
if (regs->rmii_ext_tx_clk[port] == SJA1105_RSV_ADDR)
|
|
return 0;
|
|
|
|
/* Payload for packed_buf */
|
|
ext_tx_clk.clksrc = CLKSRC_PLL1;
|
|
ext_tx_clk.autoblock = 1; /* Autoblock clk while changing clksrc */
|
|
ext_tx_clk.pd = 0; /* Power Down off => enabled */
|
|
sja1105_cgu_mii_control_packing(packed_buf, &ext_tx_clk, PACK);
|
|
|
|
return sja1105_xfer_buf(priv, SPI_WRITE, regs->rmii_ext_tx_clk[port],
|
|
packed_buf, SJA1105_SIZE_CGU_CMD);
|
|
}
|
|
|
|
static int sja1105_cgu_rmii_pll_config(struct sja1105_private *priv)
|
|
{
|
|
const struct sja1105_regs *regs = priv->info->regs;
|
|
u8 packed_buf[SJA1105_SIZE_CGU_CMD] = {0};
|
|
struct sja1105_cgu_pll_ctrl pll = {0};
|
|
int rc;
|
|
|
|
if (regs->rmii_pll1 == SJA1105_RSV_ADDR)
|
|
return 0;
|
|
|
|
/* Step 1: PLL1 setup for 50Mhz */
|
|
pll.pllclksrc = 0xA;
|
|
pll.msel = 0x1;
|
|
pll.autoblock = 0x1;
|
|
pll.psel = 0x1;
|
|
pll.direct = 0x0;
|
|
pll.fbsel = 0x1;
|
|
pll.bypass = 0x0;
|
|
pll.pd = 0x1;
|
|
|
|
sja1105_cgu_pll_control_packing(packed_buf, &pll, PACK);
|
|
rc = sja1105_xfer_buf(priv, SPI_WRITE, regs->rmii_pll1, packed_buf,
|
|
SJA1105_SIZE_CGU_CMD);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
/* Step 2: Enable PLL1 */
|
|
pll.pd = 0x0;
|
|
|
|
sja1105_cgu_pll_control_packing(packed_buf, &pll, PACK);
|
|
rc = sja1105_xfer_buf(priv, SPI_WRITE, regs->rmii_pll1, packed_buf,
|
|
SJA1105_SIZE_CGU_CMD);
|
|
return rc;
|
|
}
|
|
|
|
static int sja1105_rmii_clocking_setup(struct sja1105_private *priv, int port,
|
|
sja1105_mii_role_t role)
|
|
{
|
|
int rc;
|
|
|
|
/* AH1601.pdf chapter 2.5.1. Sources */
|
|
if (role == XMII_MAC) {
|
|
/* Configure and enable PLL1 for 50Mhz output */
|
|
rc = sja1105_cgu_rmii_pll_config(priv);
|
|
if (rc < 0)
|
|
return rc;
|
|
}
|
|
/* Disable IDIV for this port */
|
|
rc = sja1105_cgu_idiv_config(priv, port, false, 1);
|
|
if (rc < 0)
|
|
return rc;
|
|
/* Source to sink mappings */
|
|
rc = sja1105_cgu_rmii_ref_clk_config(priv, port);
|
|
if (rc < 0)
|
|
return rc;
|
|
if (role == XMII_MAC) {
|
|
rc = sja1105_cgu_rmii_ext_tx_clk_config(priv, port);
|
|
if (rc < 0)
|
|
return rc;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int sja1105_pcs_read(struct sja1105_private *priv, int addr,
|
|
int devad, int regnum)
|
|
{
|
|
return priv->mdio_pcs->read(priv->mdio_pcs, addr, devad, regnum);
|
|
}
|
|
|
|
static int sja1105_pcs_write(struct sja1105_private *priv, int addr,
|
|
int devad, int regnum, u16 val)
|
|
{
|
|
return priv->mdio_pcs->write(priv->mdio_pcs, addr, devad, regnum, val);
|
|
}
|
|
|
|
/* In NXP SJA1105, the PCS is integrated with a PMA that has the TX lane
|
|
* polarity inverted by default (PLUS is MINUS, MINUS is PLUS). To obtain
|
|
* normal non-inverted behavior, the TX lane polarity must be inverted in the
|
|
* PCS, via the DIGITAL_CONTROL_2 register.
|
|
*/
|
|
static int sja1105_pma_config(struct sja1105_private *priv, int port)
|
|
{
|
|
return sja1105_pcs_write(priv, port, MDIO_MMD_VEND2,
|
|
DW_VR_MII_DIG_CTRL2,
|
|
DW_VR_MII_DIG_CTRL2_TX_POL_INV);
|
|
}
|
|
|
|
static int sja1110_pma_config(struct sja1105_private *priv, int port)
|
|
{
|
|
u16 txpll_fbdiv = 0x19, txpll_refdiv = 0x1;
|
|
u16 rxpll_fbdiv = 0x19, rxpll_refdiv = 0x1;
|
|
u16 rx_cdr_ctle = 0x212a;
|
|
u16 val;
|
|
int rc;
|
|
|
|
/* Program TX PLL feedback divider and reference divider settings for
|
|
* correct oscillation frequency.
|
|
*/
|
|
rc = sja1105_pcs_write(priv, port, MDIO_MMD_VEND2, SJA1110_TXPLL_CTRL0,
|
|
SJA1110_TXPLL_FBDIV(txpll_fbdiv));
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
rc = sja1105_pcs_write(priv, port, MDIO_MMD_VEND2, SJA1110_TXPLL_CTRL1,
|
|
SJA1110_TXPLL_REFDIV(txpll_refdiv));
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
/* Program transmitter amplitude and disable amplitude trimming */
|
|
rc = sja1105_pcs_write(priv, port, MDIO_MMD_VEND2,
|
|
SJA1110_LANE_DRIVER1_0, SJA1110_TXDRV(0x5));
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
val = SJA1110_TXDRVTRIM_LSB(0xffffffull);
|
|
|
|
rc = sja1105_pcs_write(priv, port, MDIO_MMD_VEND2,
|
|
SJA1110_LANE_DRIVER2_0, val);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
val = SJA1110_TXDRVTRIM_MSB(0xffffffull) | SJA1110_LANE_DRIVER2_1_RSV;
|
|
|
|
rc = sja1105_pcs_write(priv, port, MDIO_MMD_VEND2,
|
|
SJA1110_LANE_DRIVER2_1, val);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
/* Enable input and output resistor terminations for low BER. */
|
|
val = SJA1110_ACCOUPLE_RXVCM_EN | SJA1110_CDR_GAIN |
|
|
SJA1110_RXRTRIM(4) | SJA1110_RXTEN | SJA1110_TXPLL_BWSEL |
|
|
SJA1110_TXRTRIM(3) | SJA1110_TXTEN;
|
|
|
|
rc = sja1105_pcs_write(priv, port, MDIO_MMD_VEND2, SJA1110_LANE_TRIM,
|
|
val);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
/* Select PCS as transmitter data source. */
|
|
rc = sja1105_pcs_write(priv, port, MDIO_MMD_VEND2,
|
|
SJA1110_LANE_DATAPATH_1, 0);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
/* Program RX PLL feedback divider and reference divider for correct
|
|
* oscillation frequency.
|
|
*/
|
|
rc = sja1105_pcs_write(priv, port, MDIO_MMD_VEND2, SJA1110_RXPLL_CTRL0,
|
|
SJA1110_RXPLL_FBDIV(rxpll_fbdiv));
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
rc = sja1105_pcs_write(priv, port, MDIO_MMD_VEND2, SJA1110_RXPLL_CTRL1,
|
|
SJA1110_RXPLL_REFDIV(rxpll_refdiv));
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
/* Program threshold for receiver signal detector.
|
|
* Enable control of RXPLL by receiver signal detector to disable RXPLL
|
|
* when an input signal is not present.
|
|
*/
|
|
rc = sja1105_pcs_write(priv, port, MDIO_MMD_VEND2,
|
|
SJA1110_RX_DATA_DETECT, 0x0005);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
/* Enable TX and RX PLLs and circuits.
|
|
* Release reset of PMA to enable data flow to/from PCS.
|
|
*/
|
|
rc = sja1105_pcs_read(priv, port, MDIO_MMD_VEND2,
|
|
SJA1110_POWERDOWN_ENABLE);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
val = rc & ~(SJA1110_TXPLL_PD | SJA1110_TXPD | SJA1110_RXCH_PD |
|
|
SJA1110_RXBIAS_PD | SJA1110_RESET_SER_EN |
|
|
SJA1110_RESET_SER | SJA1110_RESET_DES);
|
|
val |= SJA1110_RXPKDETEN | SJA1110_RCVEN;
|
|
|
|
rc = sja1105_pcs_write(priv, port, MDIO_MMD_VEND2,
|
|
SJA1110_POWERDOWN_ENABLE, val);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
/* Program continuous-time linear equalizer (CTLE) settings. */
|
|
rc = sja1105_pcs_write(priv, port, MDIO_MMD_VEND2, SJA1110_RX_CDR_CTLE,
|
|
rx_cdr_ctle);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sja1105_xpcs_config_aneg_c37_sgmii(struct sja1105_private *priv,
|
|
int port)
|
|
{
|
|
int rc;
|
|
|
|
rc = sja1105_pcs_read(priv, port, MDIO_MMD_VEND2, MDIO_CTRL1);
|
|
if (rc < 0)
|
|
return rc;
|
|
rc &= ~MDIO_AN_CTRL1_ENABLE;
|
|
rc = sja1105_pcs_write(priv, port, MDIO_MMD_VEND2, MDIO_CTRL1,
|
|
rc);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
rc = sja1105_pcs_read(priv, port, MDIO_MMD_VEND2, DW_VR_MII_AN_CTRL);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
rc &= ~(DW_VR_MII_PCS_MODE_MASK | DW_VR_MII_TX_CONFIG_MASK);
|
|
rc |= (DW_VR_MII_PCS_MODE_C37_SGMII <<
|
|
DW_VR_MII_AN_CTRL_PCS_MODE_SHIFT &
|
|
DW_VR_MII_PCS_MODE_MASK);
|
|
rc |= (DW_VR_MII_TX_CONFIG_MAC_SIDE_SGMII <<
|
|
DW_VR_MII_AN_CTRL_TX_CONFIG_SHIFT &
|
|
DW_VR_MII_TX_CONFIG_MASK);
|
|
rc = sja1105_pcs_write(priv, port, MDIO_MMD_VEND2, DW_VR_MII_AN_CTRL,
|
|
rc);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
rc = sja1105_pcs_read(priv, port, MDIO_MMD_VEND2, DW_VR_MII_DIG_CTRL1);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
if (priv->xpcs_cfg[port].inband_an)
|
|
rc |= DW_VR_MII_DIG_CTRL1_MAC_AUTO_SW;
|
|
else
|
|
rc &= ~DW_VR_MII_DIG_CTRL1_MAC_AUTO_SW;
|
|
|
|
rc = sja1105_pcs_write(priv, port, MDIO_MMD_VEND2, DW_VR_MII_DIG_CTRL1,
|
|
rc);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
rc = sja1105_pcs_read(priv, port, MDIO_MMD_VEND2, MDIO_CTRL1);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
if (priv->xpcs_cfg[port].inband_an)
|
|
rc |= MDIO_AN_CTRL1_ENABLE;
|
|
else
|
|
rc &= ~MDIO_AN_CTRL1_ENABLE;
|
|
|
|
return sja1105_pcs_write(priv, port, MDIO_MMD_VEND2, MDIO_CTRL1, rc);
|
|
}
|
|
|
|
static int sja1105_xpcs_link_up_sgmii(struct sja1105_private *priv, int port)
|
|
{
|
|
int val = BMCR_FULLDPLX;
|
|
|
|
if (priv->xpcs_cfg[port].inband_an)
|
|
return 0;
|
|
|
|
switch (priv->xpcs_cfg[port].speed) {
|
|
case SPEED_1000:
|
|
val = BMCR_SPEED1000;
|
|
break;
|
|
case SPEED_100:
|
|
val = BMCR_SPEED100;
|
|
break;
|
|
case SPEED_10:
|
|
val = BMCR_SPEED10;
|
|
break;
|
|
default:
|
|
dev_err(priv->dev, "Invalid PCS speed %d\n",
|
|
priv->xpcs_cfg[port].speed);
|
|
return -EINVAL;
|
|
}
|
|
|
|
return sja1105_pcs_write(priv, port, MDIO_MMD_VEND2, MDIO_CTRL1, val);
|
|
}
|
|
|
|
static int sja1105_sgmii_setup(struct sja1105_private *priv, int port)
|
|
{
|
|
int rc;
|
|
|
|
rc = sja1105_xpcs_config_aneg_c37_sgmii(priv, port);
|
|
if (rc)
|
|
return rc;
|
|
|
|
rc = sja1105_xpcs_link_up_sgmii(priv, port);
|
|
if (rc)
|
|
return rc;
|
|
|
|
return priv->info->pma_config(priv, port);
|
|
}
|
|
|
|
static int sja1105_clocking_setup_port(struct sja1105_private *priv, int port)
|
|
{
|
|
struct sja1105_xmii_params_entry *mii;
|
|
sja1105_phy_interface_t phy_mode;
|
|
sja1105_mii_role_t role;
|
|
int rc;
|
|
|
|
mii = priv->static_config.tables[BLK_IDX_XMII_PARAMS].entries;
|
|
|
|
/* RGMII etc */
|
|
phy_mode = mii->xmii_mode[port];
|
|
/* MAC or PHY, for applicable types (not RGMII) */
|
|
role = mii->phy_mac[port];
|
|
|
|
switch (phy_mode) {
|
|
case XMII_MODE_MII:
|
|
rc = sja1105_mii_clocking_setup(priv, port, role);
|
|
break;
|
|
case XMII_MODE_RMII:
|
|
rc = sja1105_rmii_clocking_setup(priv, port, role);
|
|
break;
|
|
case XMII_MODE_RGMII:
|
|
rc = sja1105_rgmii_clocking_setup(priv, port, role);
|
|
break;
|
|
case XMII_MODE_SGMII:
|
|
rc = sja1105_sgmii_setup(priv, port);
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
if (rc)
|
|
return rc;
|
|
|
|
/* Internally pull down the RX_DV/CRS_DV/RX_CTL and RX_ER inputs */
|
|
return sja1105_cfg_pad_rx_config(priv, port);
|
|
}
|
|
|
|
static int sja1105_clocking_setup(struct sja1105_private *priv)
|
|
{
|
|
struct dsa_pdata *pdata = dev_get_uclass_plat(priv->dev);
|
|
int port, rc;
|
|
|
|
for (port = 0; port < pdata->num_ports; port++) {
|
|
rc = sja1105_clocking_setup_port(priv, port);
|
|
if (rc < 0)
|
|
return rc;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int sja1105_pcs_mdio_read(struct mii_dev *bus, int phy, int mmd, int reg)
|
|
{
|
|
u8 packed_buf[SJA1105_SIZE_MDIO_CMD] = {0};
|
|
struct sja1105_private *priv = bus->priv;
|
|
const int size = SJA1105_SIZE_MDIO_CMD;
|
|
u64 addr, tmp;
|
|
int rc;
|
|
|
|
if (mmd == MDIO_DEVAD_NONE)
|
|
return -ENODEV;
|
|
|
|
if (!priv->info->supports_sgmii[phy])
|
|
return -ENODEV;
|
|
|
|
addr = (mmd << 16) | (reg & GENMASK(15, 0));
|
|
|
|
if (mmd != MDIO_MMD_VEND1 && mmd != MDIO_MMD_VEND2)
|
|
return 0xffff;
|
|
|
|
rc = sja1105_xfer_buf(priv, SPI_READ, addr, packed_buf, size);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
sja1105_packing(packed_buf, &tmp, 31, 0, size, UNPACK);
|
|
|
|
return tmp & 0xffff;
|
|
}
|
|
|
|
static int sja1105_pcs_mdio_write(struct mii_dev *bus, int phy, int mmd,
|
|
int reg, u16 val)
|
|
{
|
|
u8 packed_buf[SJA1105_SIZE_MDIO_CMD] = {0};
|
|
struct sja1105_private *priv = bus->priv;
|
|
const int size = SJA1105_SIZE_MDIO_CMD;
|
|
u64 addr, tmp;
|
|
|
|
if (mmd == MDIO_DEVAD_NONE)
|
|
return -ENODEV;
|
|
|
|
if (!priv->info->supports_sgmii[phy])
|
|
return -ENODEV;
|
|
|
|
addr = (mmd << 16) | (reg & GENMASK(15, 0));
|
|
tmp = val;
|
|
|
|
if (mmd != MDIO_MMD_VEND1 && mmd != MDIO_MMD_VEND2)
|
|
return -ENODEV;
|
|
|
|
sja1105_packing(packed_buf, &tmp, 31, 0, size, PACK);
|
|
|
|
return sja1105_xfer_buf(priv, SPI_WRITE, addr, packed_buf, size);
|
|
}
|
|
|
|
static int sja1110_pcs_mdio_read(struct mii_dev *bus, int phy, int mmd, int reg)
|
|
{
|
|
struct sja1105_private *priv = bus->priv;
|
|
const struct sja1105_regs *regs = priv->info->regs;
|
|
u8 packed_buf[SJA1105_SIZE_MDIO_CMD] = {0};
|
|
const int size = SJA1105_SIZE_MDIO_CMD;
|
|
int offset, bank;
|
|
u64 addr, tmp;
|
|
int rc;
|
|
|
|
if (mmd == MDIO_DEVAD_NONE)
|
|
return -ENODEV;
|
|
|
|
if (regs->pcs_base[phy] == SJA1105_RSV_ADDR)
|
|
return -ENODEV;
|
|
|
|
addr = (mmd << 16) | (reg & GENMASK(15, 0));
|
|
|
|
bank = addr >> 8;
|
|
offset = addr & GENMASK(7, 0);
|
|
|
|
/* This addressing scheme reserves register 0xff for the bank address
|
|
* register, so that can never be addressed.
|
|
*/
|
|
if (offset == 0xff)
|
|
return -ENODEV;
|
|
|
|
tmp = bank;
|
|
|
|
sja1105_packing(packed_buf, &tmp, 31, 0, size, PACK);
|
|
|
|
rc = sja1105_xfer_buf(priv, SPI_WRITE,
|
|
regs->pcs_base[phy] + SJA1110_PCS_BANK_REG,
|
|
packed_buf, size);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
rc = sja1105_xfer_buf(priv, SPI_READ, regs->pcs_base[phy] + offset,
|
|
packed_buf, size);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
sja1105_packing(packed_buf, &tmp, 31, 0, size, UNPACK);
|
|
|
|
return tmp & 0xffff;
|
|
}
|
|
|
|
static int sja1110_pcs_mdio_write(struct mii_dev *bus, int phy, int mmd,
|
|
int reg, u16 val)
|
|
{
|
|
struct sja1105_private *priv = bus->priv;
|
|
const struct sja1105_regs *regs = priv->info->regs;
|
|
u8 packed_buf[SJA1105_SIZE_MDIO_CMD] = {0};
|
|
const int size = SJA1105_SIZE_MDIO_CMD;
|
|
int offset, bank;
|
|
u64 addr, tmp;
|
|
int rc;
|
|
|
|
if (mmd == MDIO_DEVAD_NONE)
|
|
return -ENODEV;
|
|
|
|
if (regs->pcs_base[phy] == SJA1105_RSV_ADDR)
|
|
return -ENODEV;
|
|
|
|
addr = (mmd << 16) | (reg & GENMASK(15, 0));
|
|
|
|
bank = addr >> 8;
|
|
offset = addr & GENMASK(7, 0);
|
|
|
|
/* This addressing scheme reserves register 0xff for the bank address
|
|
* register, so that can never be addressed.
|
|
*/
|
|
if (offset == 0xff)
|
|
return -ENODEV;
|
|
|
|
tmp = bank;
|
|
sja1105_packing(packed_buf, &tmp, 31, 0, size, PACK);
|
|
|
|
rc = sja1105_xfer_buf(priv, SPI_WRITE,
|
|
regs->pcs_base[phy] + SJA1110_PCS_BANK_REG,
|
|
packed_buf, size);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
tmp = val;
|
|
sja1105_packing(packed_buf, &tmp, 31, 0, size, PACK);
|
|
|
|
return sja1105_xfer_buf(priv, SPI_WRITE, regs->pcs_base[phy] + offset,
|
|
packed_buf, size);
|
|
}
|
|
|
|
static int sja1105_mdiobus_register(struct sja1105_private *priv)
|
|
{
|
|
struct udevice *dev = priv->dev;
|
|
struct mii_dev *bus;
|
|
int rc;
|
|
|
|
if (!priv->info->pcs_mdio_read || !priv->info->pcs_mdio_write)
|
|
return 0;
|
|
|
|
bus = mdio_alloc();
|
|
if (!bus)
|
|
return -ENOMEM;
|
|
|
|
snprintf(bus->name, MDIO_NAME_LEN, "%s-pcs", dev->name);
|
|
bus->read = priv->info->pcs_mdio_read;
|
|
bus->write = priv->info->pcs_mdio_write;
|
|
bus->priv = priv;
|
|
|
|
rc = mdio_register(bus);
|
|
if (rc) {
|
|
mdio_free(bus);
|
|
return rc;
|
|
}
|
|
|
|
priv->mdio_pcs = bus;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void sja1105_mdiobus_unregister(struct sja1105_private *priv)
|
|
{
|
|
if (!priv->mdio_pcs)
|
|
return;
|
|
|
|
mdio_unregister(priv->mdio_pcs);
|
|
mdio_free(priv->mdio_pcs);
|
|
}
|
|
|
|
static const struct sja1105_regs sja1105et_regs = {
|
|
.device_id = 0x0,
|
|
.prod_id = 0x100BC3,
|
|
.status = 0x1,
|
|
.port_control = 0x11,
|
|
.config = 0x020000,
|
|
.rgu = 0x100440,
|
|
/* UM10944.pdf, Table 86, ACU Register overview */
|
|
.pad_mii_tx = {0x100800, 0x100802, 0x100804, 0x100806, 0x100808},
|
|
.pad_mii_rx = {0x100801, 0x100803, 0x100805, 0x100807, 0x100809},
|
|
.rmii_pll1 = 0x10000A,
|
|
.cgu_idiv = {0x10000B, 0x10000C, 0x10000D, 0x10000E, 0x10000F},
|
|
/* UM10944.pdf, Table 78, CGU Register overview */
|
|
.mii_tx_clk = {0x100013, 0x10001A, 0x100021, 0x100028, 0x10002F},
|
|
.mii_rx_clk = {0x100014, 0x10001B, 0x100022, 0x100029, 0x100030},
|
|
.mii_ext_tx_clk = {0x100018, 0x10001F, 0x100026, 0x10002D, 0x100034},
|
|
.mii_ext_rx_clk = {0x100019, 0x100020, 0x100027, 0x10002E, 0x100035},
|
|
.rgmii_tx_clk = {0x100016, 0x10001D, 0x100024, 0x10002B, 0x100032},
|
|
.rmii_ref_clk = {0x100015, 0x10001C, 0x100023, 0x10002A, 0x100031},
|
|
.rmii_ext_tx_clk = {0x100018, 0x10001F, 0x100026, 0x10002D, 0x100034},
|
|
};
|
|
|
|
static const struct sja1105_regs sja1105pqrs_regs = {
|
|
.device_id = 0x0,
|
|
.prod_id = 0x100BC3,
|
|
.status = 0x1,
|
|
.port_control = 0x12,
|
|
.config = 0x020000,
|
|
.rgu = 0x100440,
|
|
/* UM10944.pdf, Table 86, ACU Register overview */
|
|
.pad_mii_tx = {0x100800, 0x100802, 0x100804, 0x100806, 0x100808},
|
|
.pad_mii_rx = {0x100801, 0x100803, 0x100805, 0x100807, 0x100809},
|
|
.pad_mii_id = {0x100810, 0x100811, 0x100812, 0x100813, 0x100814},
|
|
.rmii_pll1 = 0x10000A,
|
|
.cgu_idiv = {0x10000B, 0x10000C, 0x10000D, 0x10000E, 0x10000F},
|
|
/* UM11040.pdf, Table 114 */
|
|
.mii_tx_clk = {0x100013, 0x100019, 0x10001F, 0x100025, 0x10002B},
|
|
.mii_rx_clk = {0x100014, 0x10001A, 0x100020, 0x100026, 0x10002C},
|
|
.mii_ext_tx_clk = {0x100017, 0x10001D, 0x100023, 0x100029, 0x10002F},
|
|
.mii_ext_rx_clk = {0x100018, 0x10001E, 0x100024, 0x10002A, 0x100030},
|
|
.rgmii_tx_clk = {0x100016, 0x10001C, 0x100022, 0x100028, 0x10002E},
|
|
.rmii_ref_clk = {0x100015, 0x10001B, 0x100021, 0x100027, 0x10002D},
|
|
.rmii_ext_tx_clk = {0x100017, 0x10001D, 0x100023, 0x100029, 0x10002F},
|
|
};
|
|
|
|
static const struct sja1105_regs sja1110_regs = {
|
|
.device_id = SJA1110_SPI_ADDR(0x0),
|
|
.prod_id = SJA1110_ACU_ADDR(0xf00),
|
|
.status = SJA1110_SPI_ADDR(0x4),
|
|
.port_control = SJA1110_SPI_ADDR(0x50), /* actually INHIB_TX */
|
|
.config = 0x020000,
|
|
.rgu = SJA1110_RGU_ADDR(0x100), /* Reset Control Register 0 */
|
|
/* Ports 2 and 3 are capable of xMII, but there isn't anything to
|
|
* configure in the CGU/ACU for them.
|
|
*/
|
|
.pad_mii_tx = {SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR},
|
|
.pad_mii_rx = {SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR},
|
|
.pad_mii_id = {SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1110_ACU_ADDR(0x18), SJA1110_ACU_ADDR(0x28),
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR},
|
|
.rmii_pll1 = SJA1105_RSV_ADDR,
|
|
.cgu_idiv = {SJA1105_RSV_ADDR, SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR},
|
|
.mii_tx_clk = {SJA1105_RSV_ADDR, SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR},
|
|
.mii_rx_clk = {SJA1105_RSV_ADDR, SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR},
|
|
.mii_ext_tx_clk = {SJA1105_RSV_ADDR, SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR},
|
|
.mii_ext_rx_clk = {SJA1105_RSV_ADDR, SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR},
|
|
.rgmii_tx_clk = {SJA1105_RSV_ADDR, SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR},
|
|
.rmii_ref_clk = {SJA1105_RSV_ADDR, SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR},
|
|
.rmii_ext_tx_clk = {SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR},
|
|
.pcs_base = {SJA1105_RSV_ADDR, 0x1c1400, 0x1c1800, 0x1c1c00, 0x1c2000,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR, SJA1105_RSV_ADDR,
|
|
SJA1105_RSV_ADDR, SJA1105_RSV_ADDR, SJA1105_RSV_ADDR},
|
|
};
|
|
|
|
enum sja1105_switch_id {
|
|
SJA1105E = 0,
|
|
SJA1105T,
|
|
SJA1105P,
|
|
SJA1105Q,
|
|
SJA1105R,
|
|
SJA1105S,
|
|
SJA1110A,
|
|
SJA1110B,
|
|
SJA1110C,
|
|
SJA1110D,
|
|
SJA1105_MAX_SWITCH_ID,
|
|
};
|
|
|
|
static const struct sja1105_info sja1105_info[] = {
|
|
[SJA1105E] = {
|
|
.device_id = SJA1105E_DEVICE_ID,
|
|
.part_no = SJA1105ET_PART_NO,
|
|
.static_ops = sja1105et_table_ops,
|
|
.reset_cmd = sja1105et_reset_cmd,
|
|
.regs = &sja1105et_regs,
|
|
.port_speed = {
|
|
[SJA1105_SPEED_AUTO] = 0,
|
|
[SJA1105_SPEED_10MBPS] = 3,
|
|
[SJA1105_SPEED_100MBPS] = 2,
|
|
[SJA1105_SPEED_1000MBPS] = 1,
|
|
},
|
|
.supports_mii = {true, true, true, true, true},
|
|
.supports_rmii = {true, true, true, true, true},
|
|
.supports_rgmii = {true, true, true, true, true},
|
|
.name = "SJA1105E",
|
|
},
|
|
[SJA1105T] = {
|
|
.device_id = SJA1105T_DEVICE_ID,
|
|
.part_no = SJA1105ET_PART_NO,
|
|
.static_ops = sja1105et_table_ops,
|
|
.reset_cmd = sja1105et_reset_cmd,
|
|
.regs = &sja1105et_regs,
|
|
.port_speed = {
|
|
[SJA1105_SPEED_AUTO] = 0,
|
|
[SJA1105_SPEED_10MBPS] = 3,
|
|
[SJA1105_SPEED_100MBPS] = 2,
|
|
[SJA1105_SPEED_1000MBPS] = 1,
|
|
},
|
|
.supports_mii = {true, true, true, true, true},
|
|
.supports_rmii = {true, true, true, true, true},
|
|
.supports_rgmii = {true, true, true, true, true},
|
|
.name = "SJA1105T",
|
|
},
|
|
[SJA1105P] = {
|
|
.device_id = SJA1105PR_DEVICE_ID,
|
|
.part_no = SJA1105P_PART_NO,
|
|
.static_ops = sja1105pqrs_table_ops,
|
|
.setup_rgmii_delay = sja1105pqrs_setup_rgmii_delay,
|
|
.reset_cmd = sja1105pqrs_reset_cmd,
|
|
.regs = &sja1105pqrs_regs,
|
|
.port_speed = {
|
|
[SJA1105_SPEED_AUTO] = 0,
|
|
[SJA1105_SPEED_10MBPS] = 3,
|
|
[SJA1105_SPEED_100MBPS] = 2,
|
|
[SJA1105_SPEED_1000MBPS] = 1,
|
|
},
|
|
.supports_mii = {true, true, true, true, true},
|
|
.supports_rmii = {true, true, true, true, true},
|
|
.supports_rgmii = {true, true, true, true, true},
|
|
.name = "SJA1105P",
|
|
},
|
|
[SJA1105Q] = {
|
|
.device_id = SJA1105QS_DEVICE_ID,
|
|
.part_no = SJA1105Q_PART_NO,
|
|
.static_ops = sja1105pqrs_table_ops,
|
|
.setup_rgmii_delay = sja1105pqrs_setup_rgmii_delay,
|
|
.reset_cmd = sja1105pqrs_reset_cmd,
|
|
.regs = &sja1105pqrs_regs,
|
|
.port_speed = {
|
|
[SJA1105_SPEED_AUTO] = 0,
|
|
[SJA1105_SPEED_10MBPS] = 3,
|
|
[SJA1105_SPEED_100MBPS] = 2,
|
|
[SJA1105_SPEED_1000MBPS] = 1,
|
|
},
|
|
.supports_mii = {true, true, true, true, true},
|
|
.supports_rmii = {true, true, true, true, true},
|
|
.supports_rgmii = {true, true, true, true, true},
|
|
.name = "SJA1105Q",
|
|
},
|
|
[SJA1105R] = {
|
|
.device_id = SJA1105PR_DEVICE_ID,
|
|
.part_no = SJA1105R_PART_NO,
|
|
.static_ops = sja1105pqrs_table_ops,
|
|
.setup_rgmii_delay = sja1105pqrs_setup_rgmii_delay,
|
|
.reset_cmd = sja1105pqrs_reset_cmd,
|
|
.regs = &sja1105pqrs_regs,
|
|
.pcs_mdio_read = sja1105_pcs_mdio_read,
|
|
.pcs_mdio_write = sja1105_pcs_mdio_write,
|
|
.pma_config = sja1105_pma_config,
|
|
.port_speed = {
|
|
[SJA1105_SPEED_AUTO] = 0,
|
|
[SJA1105_SPEED_10MBPS] = 3,
|
|
[SJA1105_SPEED_100MBPS] = 2,
|
|
[SJA1105_SPEED_1000MBPS] = 1,
|
|
},
|
|
.supports_mii = {true, true, true, true, true},
|
|
.supports_rmii = {true, true, true, true, true},
|
|
.supports_rgmii = {true, true, true, true, true},
|
|
.supports_sgmii = {false, false, false, false, true},
|
|
.name = "SJA1105R",
|
|
},
|
|
[SJA1105S] = {
|
|
.device_id = SJA1105QS_DEVICE_ID,
|
|
.part_no = SJA1105S_PART_NO,
|
|
.static_ops = sja1105pqrs_table_ops,
|
|
.setup_rgmii_delay = sja1105pqrs_setup_rgmii_delay,
|
|
.reset_cmd = sja1105pqrs_reset_cmd,
|
|
.regs = &sja1105pqrs_regs,
|
|
.pcs_mdio_read = sja1105_pcs_mdio_read,
|
|
.pcs_mdio_write = sja1105_pcs_mdio_write,
|
|
.pma_config = sja1105_pma_config,
|
|
.port_speed = {
|
|
[SJA1105_SPEED_AUTO] = 0,
|
|
[SJA1105_SPEED_10MBPS] = 3,
|
|
[SJA1105_SPEED_100MBPS] = 2,
|
|
[SJA1105_SPEED_1000MBPS] = 1,
|
|
},
|
|
.supports_mii = {true, true, true, true, true},
|
|
.supports_rmii = {true, true, true, true, true},
|
|
.supports_rgmii = {true, true, true, true, true},
|
|
.supports_sgmii = {false, false, false, false, true},
|
|
.name = "SJA1105S",
|
|
},
|
|
[SJA1110A] = {
|
|
.device_id = SJA1110_DEVICE_ID,
|
|
.part_no = SJA1110A_PART_NO,
|
|
.static_ops = sja1110_table_ops,
|
|
.setup_rgmii_delay = sja1110_setup_rgmii_delay,
|
|
.reset_cmd = sja1110_reset_cmd,
|
|
.regs = &sja1110_regs,
|
|
.pcs_mdio_read = sja1110_pcs_mdio_read,
|
|
.pcs_mdio_write = sja1110_pcs_mdio_write,
|
|
.pma_config = sja1110_pma_config,
|
|
.port_speed = {
|
|
[SJA1105_SPEED_AUTO] = 0,
|
|
[SJA1105_SPEED_10MBPS] = 4,
|
|
[SJA1105_SPEED_100MBPS] = 3,
|
|
[SJA1105_SPEED_1000MBPS] = 2,
|
|
},
|
|
.supports_mii = {true, true, true, true, false,
|
|
true, true, true, true, true, true},
|
|
.supports_rmii = {false, false, true, true, false,
|
|
false, false, false, false, false, false},
|
|
.supports_rgmii = {false, false, true, true, false,
|
|
false, false, false, false, false, false},
|
|
.supports_sgmii = {false, true, true, true, true,
|
|
false, false, false, false, false, false},
|
|
.name = "SJA1110A",
|
|
},
|
|
[SJA1110B] = {
|
|
.device_id = SJA1110_DEVICE_ID,
|
|
.part_no = SJA1110B_PART_NO,
|
|
.static_ops = sja1110_table_ops,
|
|
.setup_rgmii_delay = sja1110_setup_rgmii_delay,
|
|
.reset_cmd = sja1110_reset_cmd,
|
|
.regs = &sja1110_regs,
|
|
.pcs_mdio_read = sja1110_pcs_mdio_read,
|
|
.pcs_mdio_write = sja1110_pcs_mdio_write,
|
|
.pma_config = sja1110_pma_config,
|
|
.port_speed = {
|
|
[SJA1105_SPEED_AUTO] = 0,
|
|
[SJA1105_SPEED_10MBPS] = 4,
|
|
[SJA1105_SPEED_100MBPS] = 3,
|
|
[SJA1105_SPEED_1000MBPS] = 2,
|
|
},
|
|
.supports_mii = {true, true, true, true, false,
|
|
true, true, true, true, true, false},
|
|
.supports_rmii = {false, false, true, true, false,
|
|
false, false, false, false, false, false},
|
|
.supports_rgmii = {false, false, true, true, false,
|
|
false, false, false, false, false, false},
|
|
.supports_sgmii = {false, false, false, true, true,
|
|
false, false, false, false, false, false},
|
|
.name = "SJA1110B",
|
|
},
|
|
[SJA1110C] = {
|
|
.device_id = SJA1110_DEVICE_ID,
|
|
.part_no = SJA1110C_PART_NO,
|
|
.static_ops = sja1110_table_ops,
|
|
.setup_rgmii_delay = sja1110_setup_rgmii_delay,
|
|
.reset_cmd = sja1110_reset_cmd,
|
|
.regs = &sja1110_regs,
|
|
.pcs_mdio_read = sja1110_pcs_mdio_read,
|
|
.pcs_mdio_write = sja1110_pcs_mdio_write,
|
|
.pma_config = sja1110_pma_config,
|
|
.port_speed = {
|
|
[SJA1105_SPEED_AUTO] = 0,
|
|
[SJA1105_SPEED_10MBPS] = 4,
|
|
[SJA1105_SPEED_100MBPS] = 3,
|
|
[SJA1105_SPEED_1000MBPS] = 2,
|
|
},
|
|
.supports_mii = {true, true, true, true, false,
|
|
true, true, true, false, false, false},
|
|
.supports_rmii = {false, false, true, true, false,
|
|
false, false, false, false, false, false},
|
|
.supports_rgmii = {false, false, true, true, false,
|
|
false, false, false, false, false, false},
|
|
.supports_sgmii = {false, false, false, false, true,
|
|
false, false, false, false, false, false},
|
|
.name = "SJA1110C",
|
|
},
|
|
[SJA1110D] = {
|
|
.device_id = SJA1110_DEVICE_ID,
|
|
.part_no = SJA1110D_PART_NO,
|
|
.static_ops = sja1110_table_ops,
|
|
.setup_rgmii_delay = sja1110_setup_rgmii_delay,
|
|
.reset_cmd = sja1110_reset_cmd,
|
|
.regs = &sja1110_regs,
|
|
.pcs_mdio_read = sja1110_pcs_mdio_read,
|
|
.pcs_mdio_write = sja1110_pcs_mdio_write,
|
|
.pma_config = sja1110_pma_config,
|
|
.port_speed = {
|
|
[SJA1105_SPEED_AUTO] = 0,
|
|
[SJA1105_SPEED_10MBPS] = 4,
|
|
[SJA1105_SPEED_100MBPS] = 3,
|
|
[SJA1105_SPEED_1000MBPS] = 2,
|
|
},
|
|
.supports_mii = {true, false, true, false, false,
|
|
true, true, true, false, false, false},
|
|
.supports_rmii = {false, false, true, false, false,
|
|
false, false, false, false, false, false},
|
|
.supports_rgmii = {false, false, true, false, false,
|
|
false, false, false, false, false, false},
|
|
.supports_sgmii = {false, true, true, true, true,
|
|
false, false, false, false, false, false},
|
|
.name = "SJA1110D",
|
|
},
|
|
};
|
|
|
|
struct sja1105_status {
|
|
u64 configs;
|
|
u64 crcchkl;
|
|
u64 ids;
|
|
u64 crcchkg;
|
|
};
|
|
|
|
static void sja1105_status_unpack(void *buf, struct sja1105_status *status)
|
|
{
|
|
sja1105_packing(buf, &status->configs, 31, 31, 4, UNPACK);
|
|
sja1105_packing(buf, &status->crcchkl, 30, 30, 4, UNPACK);
|
|
sja1105_packing(buf, &status->ids, 29, 29, 4, UNPACK);
|
|
sja1105_packing(buf, &status->crcchkg, 28, 28, 4, UNPACK);
|
|
}
|
|
|
|
static int sja1105_status_get(struct sja1105_private *priv,
|
|
struct sja1105_status *status)
|
|
{
|
|
const struct sja1105_regs *regs = priv->info->regs;
|
|
u8 packed_buf[4];
|
|
int rc;
|
|
|
|
rc = sja1105_xfer_buf(priv, SPI_READ, regs->status, packed_buf, 4);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
sja1105_status_unpack(packed_buf, status);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Not const because unpacking priv->static_config into buffers and preparing
|
|
* for upload requires the recalculation of table CRCs and updating the
|
|
* structures with these.
|
|
*/
|
|
static int
|
|
static_config_buf_prepare_for_upload(struct sja1105_private *priv,
|
|
void *config_buf, int buf_len)
|
|
{
|
|
struct sja1105_static_config *config = &priv->static_config;
|
|
struct sja1105_table_header final_header;
|
|
char *final_header_ptr;
|
|
int crc_len;
|
|
|
|
/* Write Device ID and config tables to config_buf */
|
|
sja1105_static_config_pack(config_buf, config);
|
|
/* Recalculate CRC of the last header (right now 0xDEADBEEF).
|
|
* Don't include the CRC field itself.
|
|
*/
|
|
crc_len = buf_len - 4;
|
|
/* Read the whole table header */
|
|
final_header_ptr = config_buf + buf_len - SJA1105_SIZE_TABLE_HEADER;
|
|
sja1105_table_header_packing(final_header_ptr, &final_header, UNPACK);
|
|
/* Modify */
|
|
final_header.crc = sja1105_crc32(config_buf, crc_len);
|
|
/* Rewrite */
|
|
sja1105_table_header_packing(final_header_ptr, &final_header, PACK);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sja1105_static_config_upload(struct sja1105_private *priv)
|
|
{
|
|
struct sja1105_static_config *config = &priv->static_config;
|
|
const struct sja1105_regs *regs = priv->info->regs;
|
|
struct sja1105_status status;
|
|
u8 *config_buf;
|
|
int buf_len;
|
|
int rc;
|
|
|
|
buf_len = sja1105_static_config_get_length(config);
|
|
config_buf = calloc(buf_len, sizeof(char));
|
|
if (!config_buf)
|
|
return -ENOMEM;
|
|
|
|
rc = static_config_buf_prepare_for_upload(priv, config_buf, buf_len);
|
|
if (rc < 0) {
|
|
printf("Invalid config, cannot upload\n");
|
|
rc = -EINVAL;
|
|
goto out;
|
|
}
|
|
/* Put the SJA1105 in programming mode */
|
|
rc = priv->info->reset_cmd(priv);
|
|
if (rc < 0) {
|
|
printf("Failed to reset switch\n");
|
|
goto out;
|
|
}
|
|
/* Wait for the switch to come out of reset */
|
|
udelay(1000);
|
|
/* Upload the static config to the device */
|
|
rc = sja1105_xfer_buf(priv, SPI_WRITE, regs->config,
|
|
config_buf, buf_len);
|
|
if (rc < 0) {
|
|
printf("Failed to upload config\n");
|
|
goto out;
|
|
}
|
|
/* Check that SJA1105 responded well to the config upload */
|
|
rc = sja1105_status_get(priv, &status);
|
|
if (rc < 0)
|
|
goto out;
|
|
|
|
if (status.ids == 1) {
|
|
printf("Mismatch between hardware and static config device id. "
|
|
"Wrote 0x%llx, wants 0x%llx\n",
|
|
config->device_id, priv->info->device_id);
|
|
rc = -EIO;
|
|
goto out;
|
|
}
|
|
if (status.crcchkl == 1 || status.crcchkg == 1) {
|
|
printf("Switch reported invalid CRC on static config\n");
|
|
rc = -EIO;
|
|
goto out;
|
|
}
|
|
if (status.configs == 0) {
|
|
printf("Switch reported that config is invalid\n");
|
|
rc = -EIO;
|
|
goto out;
|
|
}
|
|
|
|
out:
|
|
free(config_buf);
|
|
return rc;
|
|
}
|
|
|
|
static int sja1105_static_config_reload(struct sja1105_private *priv)
|
|
{
|
|
int rc;
|
|
|
|
rc = sja1105_static_config_upload(priv);
|
|
if (rc < 0) {
|
|
printf("Failed to load static config: %d\n", rc);
|
|
return rc;
|
|
}
|
|
|
|
/* Configure the CGU (PHY link modes and speeds) */
|
|
rc = sja1105_clocking_setup(priv);
|
|
if (rc < 0) {
|
|
printf("Failed to configure MII clocking: %d\n", rc);
|
|
return rc;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sja1105_port_probe(struct udevice *dev, int port,
|
|
struct phy_device *phy)
|
|
{
|
|
struct sja1105_private *priv = dev_get_priv(dev);
|
|
ofnode node = dsa_port_get_ofnode(dev, port);
|
|
phy_interface_t phy_mode = phy->interface;
|
|
|
|
priv->xpcs_cfg[port].inband_an = ofnode_eth_uses_inband_aneg(node);
|
|
|
|
if (phy_mode == PHY_INTERFACE_MODE_MII ||
|
|
phy_mode == PHY_INTERFACE_MODE_RMII) {
|
|
phy->supported &= PHY_BASIC_FEATURES;
|
|
phy->advertising &= PHY_BASIC_FEATURES;
|
|
} else {
|
|
phy->supported &= PHY_GBIT_FEATURES;
|
|
phy->advertising &= PHY_GBIT_FEATURES;
|
|
}
|
|
|
|
return phy_config(phy);
|
|
}
|
|
|
|
static int sja1105_port_enable(struct udevice *dev, int port,
|
|
struct phy_device *phy)
|
|
{
|
|
struct sja1105_private *priv = dev_get_priv(dev);
|
|
phy_interface_t phy_mode = phy->interface;
|
|
struct sja1105_xmii_params_entry *mii;
|
|
struct sja1105_mac_config_entry *mac;
|
|
int rc;
|
|
|
|
rc = phy_startup(phy);
|
|
if (rc)
|
|
return rc;
|
|
|
|
mii = priv->static_config.tables[BLK_IDX_XMII_PARAMS].entries;
|
|
mac = priv->static_config.tables[BLK_IDX_MAC_CONFIG].entries;
|
|
|
|
switch (phy_mode) {
|
|
case PHY_INTERFACE_MODE_MII:
|
|
if (!priv->info->supports_mii[port])
|
|
goto unsupported;
|
|
|
|
mii->xmii_mode[port] = XMII_MODE_MII;
|
|
break;
|
|
case PHY_INTERFACE_MODE_RMII:
|
|
if (!priv->info->supports_rmii[port])
|
|
goto unsupported;
|
|
|
|
mii->xmii_mode[port] = XMII_MODE_RMII;
|
|
break;
|
|
case PHY_INTERFACE_MODE_RGMII:
|
|
case PHY_INTERFACE_MODE_RGMII_ID:
|
|
case PHY_INTERFACE_MODE_RGMII_RXID:
|
|
case PHY_INTERFACE_MODE_RGMII_TXID:
|
|
if (!priv->info->supports_rgmii[port])
|
|
goto unsupported;
|
|
|
|
mii->xmii_mode[port] = XMII_MODE_RGMII;
|
|
break;
|
|
case PHY_INTERFACE_MODE_SGMII:
|
|
if (!priv->info->supports_sgmii[port])
|
|
goto unsupported;
|
|
|
|
mii->xmii_mode[port] = XMII_MODE_SGMII;
|
|
mii->special[port] = true;
|
|
break;
|
|
unsupported:
|
|
default:
|
|
dev_err(dev, "Unsupported PHY mode %d on port %d!\n",
|
|
phy_mode, port);
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* RevMII, RevRMII not supported */
|
|
mii->phy_mac[port] = XMII_MAC;
|
|
|
|
/* Let the PHY handle the RGMII delays, if present. */
|
|
if (phy->phy_id == PHY_FIXED_ID) {
|
|
if (phy_mode == PHY_INTERFACE_MODE_RGMII_RXID ||
|
|
phy_mode == PHY_INTERFACE_MODE_RGMII_ID)
|
|
priv->rgmii_rx_delay[port] = true;
|
|
|
|
if (phy_mode == PHY_INTERFACE_MODE_RGMII_TXID ||
|
|
phy_mode == PHY_INTERFACE_MODE_RGMII_ID)
|
|
priv->rgmii_tx_delay[port] = true;
|
|
|
|
if ((priv->rgmii_rx_delay[port] ||
|
|
priv->rgmii_tx_delay[port]) &&
|
|
!priv->info->setup_rgmii_delay) {
|
|
printf("Chip does not support internal RGMII delays\n");
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
if (mii->xmii_mode[port] == XMII_MODE_SGMII) {
|
|
mac[port].speed = priv->info->port_speed[SJA1105_SPEED_1000MBPS];
|
|
priv->xpcs_cfg[port].speed = phy->speed;
|
|
} else if (phy->speed == SPEED_1000) {
|
|
mac[port].speed = priv->info->port_speed[SJA1105_SPEED_1000MBPS];
|
|
} else if (phy->speed == SPEED_100) {
|
|
mac[port].speed = priv->info->port_speed[SJA1105_SPEED_100MBPS];
|
|
} else if (phy->speed == SPEED_10) {
|
|
mac[port].speed = priv->info->port_speed[SJA1105_SPEED_10MBPS];
|
|
} else {
|
|
printf("Invalid PHY speed %d on port %d\n", phy->speed, port);
|
|
return -EINVAL;
|
|
}
|
|
|
|
return sja1105_static_config_reload(priv);
|
|
}
|
|
|
|
static void sja1105_port_disable(struct udevice *dev, int port,
|
|
struct phy_device *phy)
|
|
{
|
|
phy_shutdown(phy);
|
|
}
|
|
|
|
static int sja1105_xmit(struct udevice *dev, int port, void *packet, int length)
|
|
{
|
|
struct sja1105_private *priv = dev_get_priv(dev);
|
|
u8 *from = (u8 *)packet + VLAN_HLEN;
|
|
struct vlan_ethhdr *hdr = packet;
|
|
u8 *dest = (u8 *)packet;
|
|
|
|
memmove(dest, from, 2 * ETH_ALEN);
|
|
hdr->h_vlan_proto = htons(ETH_P_SJA1105);
|
|
hdr->h_vlan_TCI = htons(priv->pvid[port]);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sja1105_rcv(struct udevice *dev, int *port, void *packet, int length)
|
|
{
|
|
struct vlan_ethhdr *hdr = packet;
|
|
u8 *dest = packet + VLAN_HLEN;
|
|
u8 *from = packet;
|
|
|
|
if (ntohs(hdr->h_vlan_proto) != ETH_P_SJA1105)
|
|
return -EINVAL;
|
|
|
|
*port = ntohs(hdr->h_vlan_TCI) & DSA_8021Q_PORT_MASK;
|
|
memmove(dest, from, 2 * ETH_ALEN);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct dsa_ops sja1105_dsa_ops = {
|
|
.port_probe = sja1105_port_probe,
|
|
.port_enable = sja1105_port_enable,
|
|
.port_disable = sja1105_port_disable,
|
|
.xmit = sja1105_xmit,
|
|
.rcv = sja1105_rcv,
|
|
};
|
|
|
|
static int sja1105_init(struct sja1105_private *priv)
|
|
{
|
|
int rc;
|
|
|
|
rc = sja1105_static_config_init(priv);
|
|
if (rc) {
|
|
printf("Failed to initialize static config: %d\n", rc);
|
|
return rc;
|
|
}
|
|
|
|
rc = sja1105_mdiobus_register(priv);
|
|
if (rc) {
|
|
printf("Failed to register MDIO bus: %d\n", rc);
|
|
goto err_mdiobus_register;
|
|
}
|
|
|
|
return 0;
|
|
|
|
err_mdiobus_register:
|
|
sja1105_static_config_free(&priv->static_config);
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int sja1105_check_device_id(struct sja1105_private *priv)
|
|
{
|
|
const struct sja1105_regs *regs = priv->info->regs;
|
|
u8 packed_buf[SJA1105_SIZE_DEVICE_ID] = {0};
|
|
enum sja1105_switch_id id;
|
|
u64 device_id;
|
|
u64 part_no;
|
|
int rc;
|
|
|
|
rc = sja1105_xfer_buf(priv, SPI_READ, regs->device_id, packed_buf,
|
|
SJA1105_SIZE_DEVICE_ID);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
sja1105_packing(packed_buf, &device_id, 31, 0, SJA1105_SIZE_DEVICE_ID,
|
|
UNPACK);
|
|
|
|
rc = sja1105_xfer_buf(priv, SPI_READ, regs->prod_id, packed_buf,
|
|
SJA1105_SIZE_DEVICE_ID);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
sja1105_packing(packed_buf, &part_no, 19, 4, SJA1105_SIZE_DEVICE_ID,
|
|
UNPACK);
|
|
|
|
for (id = 0; id < SJA1105_MAX_SWITCH_ID; id++) {
|
|
const struct sja1105_info *info = &sja1105_info[id];
|
|
|
|
/* Is what's been probed in our match table at all? */
|
|
if (info->device_id != device_id || info->part_no != part_no)
|
|
continue;
|
|
|
|
/* But is it what's in the device tree? */
|
|
if (priv->info->device_id != device_id ||
|
|
priv->info->part_no != part_no) {
|
|
printf("Device tree specifies chip %s but found %s, please fix it!\n",
|
|
priv->info->name, info->name);
|
|
/* It isn't. No problem, pick that up. */
|
|
priv->info = info;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
printf("Unexpected {device ID, part number}: 0x%llx 0x%llx\n",
|
|
device_id, part_no);
|
|
|
|
return -ENODEV;
|
|
}
|
|
|
|
static int sja1105_probe(struct udevice *dev)
|
|
{
|
|
enum sja1105_switch_id id = dev_get_driver_data(dev);
|
|
struct sja1105_private *priv = dev_get_priv(dev);
|
|
int rc;
|
|
|
|
if (ofnode_valid(dev_ofnode(dev)) &&
|
|
!ofnode_is_enabled(dev_ofnode(dev))) {
|
|
dev_dbg(dev, "switch disabled\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
priv->info = &sja1105_info[id];
|
|
priv->dev = dev;
|
|
|
|
rc = sja1105_check_device_id(priv);
|
|
if (rc < 0) {
|
|
dev_err(dev, "Device ID check failed: %d\n", rc);
|
|
return rc;
|
|
}
|
|
|
|
dsa_set_tagging(dev, VLAN_HLEN, 0);
|
|
|
|
return sja1105_init(priv);
|
|
}
|
|
|
|
static int sja1105_remove(struct udevice *dev)
|
|
{
|
|
struct sja1105_private *priv = dev_get_priv(dev);
|
|
|
|
sja1105_mdiobus_unregister(priv);
|
|
sja1105_static_config_free(&priv->static_config);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct udevice_id sja1105_ids[] = {
|
|
{ .compatible = "nxp,sja1105e", .data = SJA1105E },
|
|
{ .compatible = "nxp,sja1105t", .data = SJA1105T },
|
|
{ .compatible = "nxp,sja1105p", .data = SJA1105P },
|
|
{ .compatible = "nxp,sja1105q", .data = SJA1105Q },
|
|
{ .compatible = "nxp,sja1105r", .data = SJA1105R },
|
|
{ .compatible = "nxp,sja1105s", .data = SJA1105S },
|
|
{ .compatible = "nxp,sja1110a", .data = SJA1110A },
|
|
{ .compatible = "nxp,sja1110b", .data = SJA1110B },
|
|
{ .compatible = "nxp,sja1110c", .data = SJA1110C },
|
|
{ .compatible = "nxp,sja1110d", .data = SJA1110D },
|
|
{ }
|
|
};
|
|
|
|
U_BOOT_DRIVER(sja1105) = {
|
|
.name = "sja1105",
|
|
.id = UCLASS_DSA,
|
|
.of_match = sja1105_ids,
|
|
.probe = sja1105_probe,
|
|
.remove = sja1105_remove,
|
|
.ops = &sja1105_dsa_ops,
|
|
.priv_auto = sizeof(struct sja1105_private),
|
|
};
|