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u-boot/drivers/net/mscc_eswitch/jr2_switch.c

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net: Add MSCC Jaguar2 network driver. Add network driver for Microsemi Ethernet switch. It is present on Jaguar2 SoCs. Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com> Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
2019-04-03 17:54:45 +00:00
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright (c) 2018 Microsemi Corporation
*/
#include <common.h>
#include <config.h>
#include <dm.h>
#include <dm/of_access.h>
#include <dm/of_addr.h>
#include <fdt_support.h>
#include <linux/io.h>
#include <linux/ioport.h>
#include <miiphy.h>
#include <net.h>
#include <wait_bit.h>
#include <dt-bindings/mscc/jr2_data.h>
#include "mscc_xfer.h"
#define GCB_MIIM_MII_STATUS 0x0
#define GCB_MIIM_STAT_BUSY BIT(3)
#define GCB_MIIM_MII_CMD 0x8
#define GCB_MIIM_MII_CMD_SCAN BIT(0)
#define GCB_MIIM_MII_CMD_OPR_WRITE BIT(1)
#define GCB_MIIM_MII_CMD_OPR_READ BIT(2)
#define GCB_MIIM_MII_CMD_SINGLE_SCAN BIT(3)
#define GCB_MIIM_MII_CMD_WRDATA(x) ((x) << 4)
#define GCB_MIIM_MII_CMD_REGAD(x) ((x) << 20)
#define GCB_MIIM_MII_CMD_PHYAD(x) ((x) << 25)
#define GCB_MIIM_MII_CMD_VLD BIT(31)
#define GCB_MIIM_DATA 0xC
#define GCB_MIIM_DATA_ERROR (0x3 << 16)
#define ANA_AC_RAM_CTRL_RAM_INIT 0x94358
#define ANA_AC_STAT_GLOBAL_CFG_PORT_RESET 0x94370
#define ANA_CL_PORT_VLAN_CFG(x) (0x24018 + 0xc8 * (x))
#define ANA_CL_PORT_VLAN_CFG_AWARE_ENA BIT(19)
#define ANA_CL_PORT_VLAN_CFG_POP_CNT(x) ((x) << 17)
#define ANA_L2_COMMON_FWD_CFG 0x8a2a8
#define ANA_L2_COMMON_FWD_CFG_CPU_DMAC_COPY_ENA BIT(6)
#define ASM_CFG_STAT_CFG 0x3508
#define ASM_CFG_PORT(x) (0x36c4 + 0x4 * (x))
#define ASM_CFG_PORT_NO_PREAMBLE_ENA BIT(8)
#define ASM_CFG_PORT_INJ_FORMAT_CFG(x) ((x) << 1)
#define ASM_RAM_CTRL_RAM_INIT 0x39b8
#define DEV_DEV_CFG_DEV_RST_CTRL 0x0
#define DEV_DEV_CFG_DEV_RST_CTRL_SPEED_SEL(x) ((x) << 20)
#define DEV_MAC_CFG_MAC_ENA 0x1c
#define DEV_MAC_CFG_MAC_ENA_RX_ENA BIT(4)
#define DEV_MAC_CFG_MAC_ENA_TX_ENA BIT(0)
#define DEV_MAC_CFG_MAC_IFG 0x34
#define DEV_MAC_CFG_MAC_IFG_TX_IFG(x) ((x) << 8)
#define DEV_MAC_CFG_MAC_IFG_RX_IFG2(x) ((x) << 4)
#define DEV_MAC_CFG_MAC_IFG_RX_IFG1(x) (x)
#define DEV_PCS1G_CFG_PCS1G_CFG 0x40
#define DEV_PCS1G_CFG_PCS1G_CFG_PCS_ENA BIT(0)
#define DEV_PCS1G_CFG_PCS1G_MODE 0x44
#define DEV_PCS1G_CFG_PCS1G_SD 0x48
#define DEV_PCS1G_CFG_PCS1G_ANEG 0x4c
#define DEV_PCS1G_CFG_PCS1G_ANEG_ADV_ABILITY(x) ((x) << 16)
#define DSM_RAM_CTRL_RAM_INIT 0x8
#define HSIO_ANA_SERDES1G_DES_CFG 0xac
#define HSIO_ANA_SERDES1G_DES_CFG_BW_HYST(x) ((x) << 1)
#define HSIO_ANA_SERDES1G_DES_CFG_BW_ANA(x) ((x) << 5)
#define HSIO_ANA_SERDES1G_DES_CFG_MBTR_CTRL(x) ((x) << 8)
#define HSIO_ANA_SERDES1G_DES_CFG_PHS_CTRL(x) ((x) << 13)
#define HSIO_ANA_SERDES1G_IB_CFG 0xb0
#define HSIO_ANA_SERDES1G_IB_CFG_RESISTOR_CTRL(x) (x)
#define HSIO_ANA_SERDES1G_IB_CFG_EQ_GAIN(x) ((x) << 6)
#define HSIO_ANA_SERDES1G_IB_CFG_ENA_OFFSET_COMP BIT(9)
#define HSIO_ANA_SERDES1G_IB_CFG_ENA_DETLEV BIT(11)
#define HSIO_ANA_SERDES1G_IB_CFG_ENA_CMV_TERM BIT(13)
#define HSIO_ANA_SERDES1G_IB_CFG_DET_LEV(x) ((x) << 19)
#define HSIO_ANA_SERDES1G_IB_CFG_ACJTAG_HYST(x) ((x) << 24)
#define HSIO_ANA_SERDES1G_OB_CFG 0xb4
#define HSIO_ANA_SERDES1G_OB_CFG_RESISTOR_CTRL(x) (x)
#define HSIO_ANA_SERDES1G_OB_CFG_VCM_CTRL(x) ((x) << 4)
#define HSIO_ANA_SERDES1G_OB_CFG_CMM_BIAS_CTRL(x) ((x) << 10)
#define HSIO_ANA_SERDES1G_OB_CFG_AMP_CTRL(x) ((x) << 13)
#define HSIO_ANA_SERDES1G_OB_CFG_SLP(x) ((x) << 17)
#define HSIO_ANA_SERDES1G_SER_CFG 0xb8
#define HSIO_ANA_SERDES1G_COMMON_CFG 0xbc
#define HSIO_ANA_SERDES1G_COMMON_CFG_IF_MODE BIT(0)
#define HSIO_ANA_SERDES1G_COMMON_CFG_ENA_LANE BIT(18)
#define HSIO_ANA_SERDES1G_COMMON_CFG_SYS_RST BIT(31)
#define HSIO_ANA_SERDES1G_PLL_CFG 0xc0
#define HSIO_ANA_SERDES1G_PLL_CFG_FSM_ENA BIT(7)
#define HSIO_ANA_SERDES1G_PLL_CFG_FSM_CTRL_DATA(x) ((x) << 8)
#define HSIO_ANA_SERDES1G_PLL_CFG_ENA_RC_DIV2 BIT(21)
#define HSIO_DIG_SERDES1G_DFT_CFG0 0xc8
#define HSIO_DIG_SERDES1G_TP_CFG 0xd4
#define HSIO_DIG_SERDES1G_MISC_CFG 0xdc
#define HSIO_DIG_SERDES1G_MISC_CFG_LANE_RST BIT(0)
#define HSIO_MCB_SERDES1G_CFG 0xe8
#define HSIO_MCB_SERDES1G_CFG_WR_ONE_SHOT BIT(31)
#define HSIO_MCB_SERDES1G_CFG_ADDR(x) (x)
#define HSIO_ANA_SERDES6G_DES_CFG 0x11c
#define HSIO_ANA_SERDES6G_DES_CFG_SWAP_ANA BIT(0)
#define HSIO_ANA_SERDES6G_DES_CFG_BW_ANA(x) ((x) << 1)
#define HSIO_ANA_SERDES6G_DES_CFG_SWAP_HYST BIT(4)
#define HSIO_ANA_SERDES6G_DES_CFG_BW_HYST(x) ((x) << 5)
#define HSIO_ANA_SERDES6G_DES_CFG_CPMD_SEL(x) ((x) << 8)
#define HSIO_ANA_SERDES6G_DES_CFG_MBTR_CTRL(x) ((x) << 10)
#define HSIO_ANA_SERDES6G_DES_CFG_PHS_CTRL(x) ((x) << 13)
#define HSIO_ANA_SERDES6G_IB_CFG 0x120
#define HSIO_ANA_SERDES6G_IB_CFG_REG_ENA BIT(0)
#define HSIO_ANA_SERDES6G_IB_CFG_EQZ_ENA BIT(1)
#define HSIO_ANA_SERDES6G_IB_CFG_SAM_ENA BIT(2)
#define HSIO_ANA_SERDES6G_IB_CFG_CAL_ENA(x) ((x) << 3)
#define HSIO_ANA_SERDES6G_IB_CFG_CONCUR BIT(4)
#define HSIO_ANA_SERDES6G_IB_CFG_SIG_DET_ENA BIT(5)
#define HSIO_ANA_SERDES6G_IB_CFG_REG_PAT_SEL_OFF(x) ((x) << 7)
#define HSIO_ANA_SERDES6G_IB_CFG_REG_PAT_SEL_LP(x) ((x) << 9)
#define HSIO_ANA_SERDES6G_IB_CFG_REG_PAT_SEL_MID(x) ((x) << 11)
#define HSIO_ANA_SERDES6G_IB_CFG_REG_PAT_SEL_HP(x) ((x) << 13)
#define HSIO_ANA_SERDES6G_IB_CFG_SIG_DET_CLK_SEL(x) ((x) << 15)
#define HSIO_ANA_SERDES6G_IB_CFG_TERM_MODE_SEL(x) ((x) << 18)
#define HSIO_ANA_SERDES6G_IB_CFG_ICML_ADJ(x) ((x) << 20)
#define HSIO_ANA_SERDES6G_IB_CFG_RTRM_ADJ(x) ((x) << 24)
#define HSIO_ANA_SERDES6G_IB_CFG_VBULK_SEL BIT(28)
#define HSIO_ANA_SERDES6G_IB_CFG_SOFSI(x) ((x) << 29)
#define HSIO_ANA_SERDES6G_IB_CFG1 0x124
#define HSIO_ANA_SERDES6G_IB_CFG1_FILT_OFFSET BIT(4)
#define HSIO_ANA_SERDES6G_IB_CFG1_FILT_LP BIT(5)
#define HSIO_ANA_SERDES6G_IB_CFG1_FILT_MID BIT(6)
#define HSIO_ANA_SERDES6G_IB_CFG1_FILT_HP BIT(7)
#define HSIO_ANA_SERDES6G_IB_CFG1_SCALY(x) ((x) << 8)
#define HSIO_ANA_SERDES6G_IB_CFG1_TSDET(x) ((x) << 12)
#define HSIO_ANA_SERDES6G_IB_CFG1_TJTAG(x) ((x) << 17)
#define HSIO_ANA_SERDES6G_IB_CFG2 0x128
#define HSIO_ANA_SERDES6G_IB_CFG2_UREG(x) (x)
#define HSIO_ANA_SERDES6G_IB_CFG2_UMAX(x) ((x) << 3)
#define HSIO_ANA_SERDES6G_IB_CFG2_TCALV(x) ((x) << 5)
#define HSIO_ANA_SERDES6G_IB_CFG2_OCALS(x) ((x) << 10)
#define HSIO_ANA_SERDES6G_IB_CFG2_OINFS(x) ((x) << 16)
#define HSIO_ANA_SERDES6G_IB_CFG2_OINFI(x) ((x) << 22)
#define HSIO_ANA_SERDES6G_IB_CFG2_TINFV(x) ((x) << 27)
#define HSIO_ANA_SERDES6G_IB_CFG3 0x12c
#define HSIO_ANA_SERDES6G_IB_CFG3_INI_OFFSET(x) (x)
#define HSIO_ANA_SERDES6G_IB_CFG3_INI_LP(x) ((x) << 6)
#define HSIO_ANA_SERDES6G_IB_CFG3_INI_MID(x) ((x) << 12)
#define HSIO_ANA_SERDES6G_IB_CFG3_INI_HP(x) ((x) << 18)
#define HSIO_ANA_SERDES6G_IB_CFG4 0x130
#define HSIO_ANA_SERDES6G_IB_CFG4_MAX_OFFSET(x) (x)
#define HSIO_ANA_SERDES6G_IB_CFG4_MAX_LP(x) ((x) << 6)
#define HSIO_ANA_SERDES6G_IB_CFG4_MAX_MID(x) ((x) << 12)
#define HSIO_ANA_SERDES6G_IB_CFG4_MAX_HP(x) ((x) << 18)
#define HSIO_ANA_SERDES6G_IB_CFG5 0x134
#define HSIO_ANA_SERDES6G_IB_CFG4_MIN_OFFSET(x) (x)
#define HSIO_ANA_SERDES6G_IB_CFG4_MIN_LP(x) ((x) << 6)
#define HSIO_ANA_SERDES6G_IB_CFG4_MIN_MID(x) ((x) << 12)
#define HSIO_ANA_SERDES6G_IB_CFG4_MIN_HP(x) ((x) << 18)
#define HSIO_ANA_SERDES6G_OB_CFG 0x138
#define HSIO_ANA_SERDES6G_OB_CFG_RESISTOR_CTRL(x) (x)
#define HSIO_ANA_SERDES6G_OB_CFG_SR(x) ((x) << 4)
#define HSIO_ANA_SERDES6G_OB_CFG_SR_H BIT(8)
#define HSIO_ANA_SERDES6G_OB_CFG_SEL_RCTRL BIT(9)
#define HSIO_ANA_SERDES6G_OB_CFG_R_COR BIT(10)
#define HSIO_ANA_SERDES6G_OB_CFG_POST1(x) ((x) << 11)
#define HSIO_ANA_SERDES6G_OB_CFG_R_ADJ_PDR BIT(16)
#define HSIO_ANA_SERDES6G_OB_CFG_R_ADJ_MUX BIT(17)
#define HSIO_ANA_SERDES6G_OB_CFG_PREC(x) ((x) << 18)
#define HSIO_ANA_SERDES6G_OB_CFG_POST0(x) ((x) << 23)
#define HSIO_ANA_SERDES6G_OB_CFG_POL BIT(29)
#define HSIO_ANA_SERDES6G_OB_CFG_ENA1V_MODE(x) ((x) << 30)
#define HSIO_ANA_SERDES6G_OB_CFG_IDLE BIT(31)
#define HSIO_ANA_SERDES6G_OB_CFG1 0x13c
#define HSIO_ANA_SERDES6G_OB_CFG1_LEV(x) (x)
#define HSIO_ANA_SERDES6G_OB_CFG1_ENA_CAS(x) ((x) << 6)
#define HSIO_ANA_SERDES6G_SER_CFG 0x140
#define HSIO_ANA_SERDES6G_COMMON_CFG 0x144
#define HSIO_ANA_SERDES6G_COMMON_CFG_IF_MODE(x) (x)
#define HSIO_ANA_SERDES6G_COMMON_CFG_QRATE(x) (x << 2)
#define HSIO_ANA_SERDES6G_COMMON_CFG_ENA_LANE BIT(14)
#define HSIO_ANA_SERDES6G_COMMON_CFG_SYS_RST BIT(16)
#define HSIO_ANA_SERDES6G_PLL_CFG 0x148
#define HSIO_ANA_SERDES6G_PLL_CFG_ROT_FRQ BIT(0)
#define HSIO_ANA_SERDES6G_PLL_CFG_ROT_DIR BIT(1)
#define HSIO_ANA_SERDES6G_PLL_CFG_RB_DATA_SEL BIT(2)
#define HSIO_ANA_SERDES6G_PLL_CFG_FSM_OOR_RECAL_ENA BIT(3)
#define HSIO_ANA_SERDES6G_PLL_CFG_FSM_FORCE_SET_ENA BIT(4)
#define HSIO_ANA_SERDES6G_PLL_CFG_FSM_ENA BIT(5)
#define HSIO_ANA_SERDES6G_PLL_CFG_FSM_CTRL_DATA(x) ((x) << 6)
#define HSIO_ANA_SERDES6G_PLL_CFG_ENA_ROT BIT(14)
#define HSIO_ANA_SERDES6G_PLL_CFG_DIV4 BIT(15)
#define HSIO_ANA_SERDES6G_PLL_CFG_ENA_OFFS(x) ((x) << 16)
#define HSIO_DIG_SERDES6G_MISC_CFG 0x108
#define HSIO_DIG_SERDES6G_MISC_CFG_LANE_RST BIT(0)
#define HSIO_MCB_SERDES6G_CFG 0x168
#define HSIO_MCB_SERDES6G_CFG_WR_ONE_SHOT BIT(31)
#define HSIO_MCB_SERDES6G_CFG_ADDR(x) (x)
#define HSIO_HW_CFGSTAT_HW_CFG 0x16c
#define LRN_COMMON_ACCESS_CTRL 0x0
#define LRN_COMMON_ACCESS_CTRL_MAC_TABLE_ACCESS_SHOT BIT(0)
#define LRN_COMMON_MAC_ACCESS_CFG0 0x4
#define LRN_COMMON_MAC_ACCESS_CFG1 0x8
#define LRN_COMMON_MAC_ACCESS_CFG2 0xc
#define LRN_COMMON_MAC_ACCESS_CFG2_MAC_ENTRY_ADDR(x) (x)
#define LRN_COMMON_MAC_ACCESS_CFG2_MAC_ENTRY_TYPE(x) ((x) << 12)
#define LRN_COMMON_MAC_ACCESS_CFG2_MAC_ENTRY_VLD BIT(15)
#define LRN_COMMON_MAC_ACCESS_CFG2_MAC_ENTRY_LOCKED BIT(16)
#define LRN_COMMON_MAC_ACCESS_CFG2_MAC_ENTRY_CPU_COPY BIT(23)
#define LRN_COMMON_MAC_ACCESS_CFG2_MAC_ENTRY_CPU_QU(x) ((x) << 24)
#define QFWD_SYSTEM_SWITCH_PORT_MODE(x) (0x4 * (x))
#define QFWD_SYSTEM_SWITCH_PORT_MODE_PORT_ENA BIT(17)
#define QS_XTR_GRP_CFG(x) (0x0 + 4 * (x))
#define QS_INJ_GRP_CFG(x) (0x24 + (x) * 4)
#define QSYS_SYSTEM_RESET_CFG 0xf0
#define QSYS_CALCFG_CAL_AUTO(x) (0x3d4 + 4 * (x))
#define QSYS_CALCFG_CAL_CTRL 0x3e8
#define QSYS_CALCFG_CAL_CTRL_CAL_MODE(x) ((x) << 11)
#define QSYS_RAM_CTRL_RAM_INIT 0x3ec
#define REW_RAM_CTRL_RAM_INIT 0x53528
#define VOP_RAM_CTRL_RAM_INIT 0x43638
#define XTR_VALID_BYTES(x) (4 - ((x) & 3))
#define MAC_VID 0
#define CPU_PORT 53
#define IFH_LEN 7
#define JR2_BUF_CELL_SZ 60
#define ETH_ALEN 6
#define PGID_BROADCAST 510
#define PGID_UNICAST 511
static const char * const regs_names[] = {
"port0", "port1", "port2", "port3", "port4", "port5", "port6", "port7",
"port8", "port9", "port10", "port11", "port12", "port13", "port14",
"port15", "port16", "port17", "port18", "port19", "port20", "port21",
"port22", "port23", "port24", "port25", "port26", "port27", "port28",
"port29", "port30", "port31", "port32", "port33", "port34", "port35",
"port36", "port37", "port38", "port39", "port40", "port41", "port42",
"port43", "port44", "port45", "port46", "port47",
"ana_ac", "ana_cl", "ana_l2", "asm", "hsio", "lrn",
"qfwd", "qs", "qsys", "rew",
};
#define REGS_NAMES_COUNT ARRAY_SIZE(regs_names) + 1
#define MAX_PORT 48
enum jr2_ctrl_regs {
ANA_AC = MAX_PORT,
ANA_CL,
ANA_L2,
ASM,
HSIO,
LRN,
QFWD,
QS,
QSYS,
REW,
};
#define JR2_MIIM_BUS_COUNT 3
struct jr2_phy_port_t {
size_t phy_addr;
struct mii_dev *bus;
u8 serdes_index;
u8 phy_mode;
};
struct jr2_private {
void __iomem *regs[REGS_NAMES_COUNT];
struct mii_dev *bus[JR2_MIIM_BUS_COUNT];
struct jr2_phy_port_t ports[MAX_PORT];
};
struct jr2_miim_dev {
void __iomem *regs;
phys_addr_t miim_base;
unsigned long miim_size;
struct mii_dev *bus;
};
static const unsigned long jr2_regs_qs[] = {
[MSCC_QS_XTR_RD] = 0x8,
[MSCC_QS_XTR_FLUSH] = 0x18,
[MSCC_QS_XTR_DATA_PRESENT] = 0x1c,
[MSCC_QS_INJ_WR] = 0x2c,
[MSCC_QS_INJ_CTRL] = 0x34,
};
static struct jr2_miim_dev miim[JR2_MIIM_BUS_COUNT];
static int miim_count = -1;
static int mscc_miim_wait_ready(struct jr2_miim_dev *miim)
{
unsigned long deadline;
u32 val;
deadline = timer_get_us() + 250000;
do {
val = readl(miim->regs + GCB_MIIM_MII_STATUS);
} while (timer_get_us() <= deadline && (val & GCB_MIIM_STAT_BUSY));
if (val & GCB_MIIM_STAT_BUSY)
return -ETIMEDOUT;
return 0;
}
static int mscc_miim_read(struct mii_dev *bus, int addr, int devad, int reg)
{
struct jr2_miim_dev *miim = (struct jr2_miim_dev *)bus->priv;
u32 val;
int ret;
ret = mscc_miim_wait_ready(miim);
if (ret)
goto out;
writel(GCB_MIIM_MII_CMD_VLD | GCB_MIIM_MII_CMD_PHYAD(addr) |
GCB_MIIM_MII_CMD_REGAD(reg) | GCB_MIIM_MII_CMD_OPR_READ,
miim->regs + GCB_MIIM_MII_CMD);
ret = mscc_miim_wait_ready(miim);
if (ret)
goto out;
val = readl(miim->regs + GCB_MIIM_DATA);
if (val & GCB_MIIM_DATA_ERROR) {
ret = -EIO;
goto out;
}
ret = val & 0xFFFF;
out:
return ret;
}
static int mscc_miim_write(struct mii_dev *bus, int addr, int devad, int reg,
u16 val)
{
struct jr2_miim_dev *miim = (struct jr2_miim_dev *)bus->priv;
int ret;
ret = mscc_miim_wait_ready(miim);
if (ret < 0)
goto out;
writel(GCB_MIIM_MII_CMD_VLD | GCB_MIIM_MII_CMD_PHYAD(addr) |
GCB_MIIM_MII_CMD_REGAD(reg) | GCB_MIIM_MII_CMD_WRDATA(val) |
GCB_MIIM_MII_CMD_OPR_WRITE, miim->regs + GCB_MIIM_MII_CMD);
out:
return ret;
}
static struct mii_dev *jr2_mdiobus_init(phys_addr_t miim_base,
unsigned long miim_size)
{
struct mii_dev *bus;
bus = mdio_alloc();
if (!bus)
return NULL;
++miim_count;
sprintf(bus->name, "miim-bus%d", miim_count);
miim[miim_count].regs = ioremap(miim_base, miim_size);
miim[miim_count].miim_base = miim_base;
miim[miim_count].miim_size = miim_size;
bus->priv = &miim[miim_count];
bus->read = mscc_miim_read;
bus->write = mscc_miim_write;
if (mdio_register(bus))
return NULL;
miim[miim_count].bus = bus;
return bus;
}
static void jr2_cpu_capture_setup(struct jr2_private *priv)
{
/* ASM: No preamble and IFH prefix on CPU injected frames */
writel(ASM_CFG_PORT_NO_PREAMBLE_ENA |
ASM_CFG_PORT_INJ_FORMAT_CFG(1),
priv->regs[ASM] + ASM_CFG_PORT(CPU_PORT));
/* Set Manual injection via DEVCPU_QS registers for CPU queue 0 */
writel(0x5, priv->regs[QS] + QS_INJ_GRP_CFG(0));
/* Set Manual extraction via DEVCPU_QS registers for CPU queue 0 */
writel(0x7, priv->regs[QS] + QS_XTR_GRP_CFG(0));
/* Enable CPU port for any frame transfer */
setbits_le32(priv->regs[QFWD] + QFWD_SYSTEM_SWITCH_PORT_MODE(CPU_PORT),
QFWD_SYSTEM_SWITCH_PORT_MODE_PORT_ENA);
/* Send a copy to CPU when found as forwarding entry */
setbits_le32(priv->regs[ANA_L2] + ANA_L2_COMMON_FWD_CFG,
ANA_L2_COMMON_FWD_CFG_CPU_DMAC_COPY_ENA);
}
static void jr2_port_init(struct jr2_private *priv, int port)
{
void __iomem *regs = priv->regs[port];
/* Enable PCS */
writel(DEV_PCS1G_CFG_PCS1G_CFG_PCS_ENA,
regs + DEV_PCS1G_CFG_PCS1G_CFG);
/* Disable Signal Detect */
writel(0, regs + DEV_PCS1G_CFG_PCS1G_SD);
/* Enable MAC RX and TX */
writel(DEV_MAC_CFG_MAC_ENA_RX_ENA |
DEV_MAC_CFG_MAC_ENA_TX_ENA,
regs + DEV_MAC_CFG_MAC_ENA);
/* Clear sgmii_mode_ena */
writel(0, regs + DEV_PCS1G_CFG_PCS1G_MODE);
/*
* Clear sw_resolve_ena(bit 0) and set adv_ability to
* something meaningful just in case
*/
writel(DEV_PCS1G_CFG_PCS1G_ANEG_ADV_ABILITY(0x20),
regs + DEV_PCS1G_CFG_PCS1G_ANEG);
/* Set MAC IFG Gaps */
writel(DEV_MAC_CFG_MAC_IFG_TX_IFG(4) |
DEV_MAC_CFG_MAC_IFG_RX_IFG1(5) |
DEV_MAC_CFG_MAC_IFG_RX_IFG2(1),
regs + DEV_MAC_CFG_MAC_IFG);
/* Set link speed and release all resets */
writel(DEV_DEV_CFG_DEV_RST_CTRL_SPEED_SEL(2),
regs + DEV_DEV_CFG_DEV_RST_CTRL);
/* Make VLAN aware for CPU traffic */
writel(ANA_CL_PORT_VLAN_CFG_AWARE_ENA |
ANA_CL_PORT_VLAN_CFG_POP_CNT(1) |
MAC_VID,
priv->regs[ANA_CL] + ANA_CL_PORT_VLAN_CFG(port));
/* Enable CPU port for any frame transfer */
setbits_le32(priv->regs[QFWD] + QFWD_SYSTEM_SWITCH_PORT_MODE(port),
QFWD_SYSTEM_SWITCH_PORT_MODE_PORT_ENA);
}
static void serdes6g_write(void __iomem *base, u32 addr)
{
u32 data;
writel(HSIO_MCB_SERDES6G_CFG_WR_ONE_SHOT |
HSIO_MCB_SERDES6G_CFG_ADDR(addr),
base + HSIO_MCB_SERDES6G_CFG);
do {
data = readl(base + HSIO_MCB_SERDES6G_CFG);
} while (data & HSIO_MCB_SERDES6G_CFG_WR_ONE_SHOT);
}
static void serdes6g_setup(void __iomem *base, uint32_t addr,
phy_interface_t interface)
{
u32 ib_if_mode = 0;
u32 ib_qrate = 0;
u32 ib_cal_ena = 0;
u32 ib1_tsdet = 0;
u32 ob_lev = 0;
u32 ob_ena_cas = 0;
u32 ob_ena1v_mode = 0;
u32 des_bw_ana = 0;
u32 pll_fsm_ctrl_data = 0;
switch (interface) {
case PHY_INTERFACE_MODE_SGMII:
ib_if_mode = 1;
ib_qrate = 1;
ib_cal_ena = 1;
ib1_tsdet = 3;
ob_lev = 48;
ob_ena_cas = 2;
ob_ena1v_mode = 1;
des_bw_ana = 3;
pll_fsm_ctrl_data = 60;
break;
case PHY_INTERFACE_MODE_QSGMII:
ib_if_mode = 3;
ib1_tsdet = 16;
ob_lev = 24;
des_bw_ana = 5;
pll_fsm_ctrl_data = 120;
break;
default:
pr_err("Interface not supported\n");
return;
}
if (interface == PHY_INTERFACE_MODE_QSGMII)
writel(0xfff, base + HSIO_HW_CFGSTAT_HW_CFG);
writel(HSIO_ANA_SERDES6G_COMMON_CFG_IF_MODE(3),
base + HSIO_ANA_SERDES6G_COMMON_CFG);
writel(HSIO_ANA_SERDES6G_PLL_CFG_FSM_CTRL_DATA(120) |
HSIO_ANA_SERDES6G_PLL_CFG_ENA_OFFS(3),
base + HSIO_ANA_SERDES6G_PLL_CFG);
writel(HSIO_ANA_SERDES6G_IB_CFG_REG_ENA |
HSIO_ANA_SERDES6G_IB_CFG_EQZ_ENA |
HSIO_ANA_SERDES6G_IB_CFG_SAM_ENA |
HSIO_ANA_SERDES6G_IB_CFG_CONCUR |
HSIO_ANA_SERDES6G_IB_CFG_SIG_DET_ENA |
HSIO_ANA_SERDES6G_IB_CFG_REG_PAT_SEL_OFF(0) |
HSIO_ANA_SERDES6G_IB_CFG_REG_PAT_SEL_LP(2) |
HSIO_ANA_SERDES6G_IB_CFG_REG_PAT_SEL_MID(1) |
HSIO_ANA_SERDES6G_IB_CFG_REG_PAT_SEL_HP(1) |
HSIO_ANA_SERDES6G_IB_CFG_SIG_DET_CLK_SEL(7) |
HSIO_ANA_SERDES6G_IB_CFG_TERM_MODE_SEL(1) |
HSIO_ANA_SERDES6G_IB_CFG_ICML_ADJ(5) |
HSIO_ANA_SERDES6G_IB_CFG_RTRM_ADJ(13) |
HSIO_ANA_SERDES6G_IB_CFG_VBULK_SEL |
HSIO_ANA_SERDES6G_IB_CFG_SOFSI(1),
base + HSIO_ANA_SERDES6G_IB_CFG);
writel(HSIO_ANA_SERDES6G_IB_CFG1_FILT_OFFSET |
HSIO_ANA_SERDES6G_IB_CFG1_FILT_LP |
HSIO_ANA_SERDES6G_IB_CFG1_FILT_MID |
HSIO_ANA_SERDES6G_IB_CFG1_FILT_HP |
HSIO_ANA_SERDES6G_IB_CFG1_SCALY(15) |
HSIO_ANA_SERDES6G_IB_CFG1_TSDET(3) |
HSIO_ANA_SERDES6G_IB_CFG1_TJTAG(8),
base + HSIO_ANA_SERDES6G_IB_CFG1);
writel(HSIO_DIG_SERDES6G_MISC_CFG_LANE_RST,
base + HSIO_DIG_SERDES6G_MISC_CFG);
serdes6g_write(base, addr);
writel(HSIO_ANA_SERDES6G_IB_CFG_REG_ENA |
HSIO_ANA_SERDES6G_IB_CFG_EQZ_ENA |
HSIO_ANA_SERDES6G_IB_CFG_SAM_ENA |
HSIO_ANA_SERDES6G_IB_CFG_CONCUR |
HSIO_ANA_SERDES6G_IB_CFG_SIG_DET_ENA |
HSIO_ANA_SERDES6G_IB_CFG_REG_PAT_SEL_OFF(0) |
HSIO_ANA_SERDES6G_IB_CFG_REG_PAT_SEL_LP(2) |
HSIO_ANA_SERDES6G_IB_CFG_REG_PAT_SEL_MID(1) |
HSIO_ANA_SERDES6G_IB_CFG_REG_PAT_SEL_HP(1) |
HSIO_ANA_SERDES6G_IB_CFG_SIG_DET_CLK_SEL(0) |
HSIO_ANA_SERDES6G_IB_CFG_TERM_MODE_SEL(1) |
HSIO_ANA_SERDES6G_IB_CFG_ICML_ADJ(5) |
HSIO_ANA_SERDES6G_IB_CFG_RTRM_ADJ(13) |
HSIO_ANA_SERDES6G_IB_CFG_VBULK_SEL |
HSIO_ANA_SERDES6G_IB_CFG_SOFSI(1),
base + HSIO_ANA_SERDES6G_IB_CFG);
writel(HSIO_ANA_SERDES6G_IB_CFG1_FILT_OFFSET |
HSIO_ANA_SERDES6G_IB_CFG1_FILT_LP |
HSIO_ANA_SERDES6G_IB_CFG1_FILT_MID |
HSIO_ANA_SERDES6G_IB_CFG1_FILT_HP |
HSIO_ANA_SERDES6G_IB_CFG1_SCALY(15) |
HSIO_ANA_SERDES6G_IB_CFG1_TSDET(16) |
HSIO_ANA_SERDES6G_IB_CFG1_TJTAG(8),
base + HSIO_ANA_SERDES6G_IB_CFG1);
writel(0x0, base + HSIO_ANA_SERDES6G_SER_CFG);
writel(HSIO_ANA_SERDES6G_COMMON_CFG_IF_MODE(ib_if_mode) |
HSIO_ANA_SERDES6G_COMMON_CFG_QRATE(ib_qrate) |
HSIO_ANA_SERDES6G_COMMON_CFG_ENA_LANE |
HSIO_ANA_SERDES6G_COMMON_CFG_SYS_RST,
base + HSIO_ANA_SERDES6G_COMMON_CFG);
writel(HSIO_DIG_SERDES6G_MISC_CFG_LANE_RST,
base + HSIO_DIG_SERDES6G_MISC_CFG);
writel(HSIO_ANA_SERDES6G_OB_CFG_RESISTOR_CTRL(1) |
HSIO_ANA_SERDES6G_OB_CFG_SR(7) |
HSIO_ANA_SERDES6G_OB_CFG_SR_H |
HSIO_ANA_SERDES6G_OB_CFG_ENA1V_MODE(ob_ena1v_mode) |
HSIO_ANA_SERDES6G_OB_CFG_POL, base + HSIO_ANA_SERDES6G_OB_CFG);
writel(HSIO_ANA_SERDES6G_OB_CFG1_LEV(ob_lev) |
HSIO_ANA_SERDES6G_OB_CFG1_ENA_CAS(ob_ena_cas),
base + HSIO_ANA_SERDES6G_OB_CFG1);
writel(HSIO_ANA_SERDES6G_DES_CFG_BW_ANA(des_bw_ana) |
HSIO_ANA_SERDES6G_DES_CFG_BW_HYST(5) |
HSIO_ANA_SERDES6G_DES_CFG_MBTR_CTRL(2) |
HSIO_ANA_SERDES6G_DES_CFG_PHS_CTRL(6),
base + HSIO_ANA_SERDES6G_DES_CFG);
writel(HSIO_ANA_SERDES6G_PLL_CFG_FSM_CTRL_DATA(pll_fsm_ctrl_data) |
HSIO_ANA_SERDES6G_PLL_CFG_ENA_OFFS(3),
base + HSIO_ANA_SERDES6G_PLL_CFG);
serdes6g_write(base, addr);
/* set pll_fsm_ena = 1 */
writel(HSIO_ANA_SERDES6G_PLL_CFG_FSM_ENA |
HSIO_ANA_SERDES6G_PLL_CFG_FSM_CTRL_DATA(pll_fsm_ctrl_data) |
HSIO_ANA_SERDES6G_PLL_CFG_ENA_OFFS(3),
base + HSIO_ANA_SERDES6G_PLL_CFG);
serdes6g_write(base, addr);
/* wait 20ms for pll bringup */
mdelay(20);
/* start IB calibration by setting ib_cal_ena and clearing lane_rst */
writel(HSIO_ANA_SERDES6G_IB_CFG_REG_ENA |
HSIO_ANA_SERDES6G_IB_CFG_EQZ_ENA |
HSIO_ANA_SERDES6G_IB_CFG_SAM_ENA |
HSIO_ANA_SERDES6G_IB_CFG_CAL_ENA(ib_cal_ena) |
HSIO_ANA_SERDES6G_IB_CFG_CONCUR |
HSIO_ANA_SERDES6G_IB_CFG_SIG_DET_ENA |
HSIO_ANA_SERDES6G_IB_CFG_REG_PAT_SEL_OFF(0) |
HSIO_ANA_SERDES6G_IB_CFG_REG_PAT_SEL_LP(2) |
HSIO_ANA_SERDES6G_IB_CFG_REG_PAT_SEL_MID(1) |
HSIO_ANA_SERDES6G_IB_CFG_REG_PAT_SEL_HP(1) |
HSIO_ANA_SERDES6G_IB_CFG_SIG_DET_CLK_SEL(0) |
HSIO_ANA_SERDES6G_IB_CFG_TERM_MODE_SEL(1) |
HSIO_ANA_SERDES6G_IB_CFG_ICML_ADJ(5) |
HSIO_ANA_SERDES6G_IB_CFG_RTRM_ADJ(13) |
HSIO_ANA_SERDES6G_IB_CFG_VBULK_SEL |
HSIO_ANA_SERDES6G_IB_CFG_SOFSI(1),
base + HSIO_ANA_SERDES6G_IB_CFG);
writel(0x0, base + HSIO_DIG_SERDES6G_MISC_CFG);
serdes6g_write(base, addr);
/* wait 60 for calibration */
mdelay(60);
/* set ib_tsdet and ib_reg_pat_sel_offset back to correct values */
writel(HSIO_ANA_SERDES6G_IB_CFG_REG_ENA |
HSIO_ANA_SERDES6G_IB_CFG_EQZ_ENA |
HSIO_ANA_SERDES6G_IB_CFG_SAM_ENA |
HSIO_ANA_SERDES6G_IB_CFG_CAL_ENA(ib_cal_ena) |
HSIO_ANA_SERDES6G_IB_CFG_CONCUR |
HSIO_ANA_SERDES6G_IB_CFG_SIG_DET_ENA |
HSIO_ANA_SERDES6G_IB_CFG_REG_PAT_SEL_OFF(0) |
HSIO_ANA_SERDES6G_IB_CFG_REG_PAT_SEL_LP(2) |
HSIO_ANA_SERDES6G_IB_CFG_REG_PAT_SEL_MID(1) |
HSIO_ANA_SERDES6G_IB_CFG_REG_PAT_SEL_HP(1) |
HSIO_ANA_SERDES6G_IB_CFG_SIG_DET_CLK_SEL(7) |
HSIO_ANA_SERDES6G_IB_CFG_TERM_MODE_SEL(1) |
HSIO_ANA_SERDES6G_IB_CFG_ICML_ADJ(5) |
HSIO_ANA_SERDES6G_IB_CFG_RTRM_ADJ(13) |
HSIO_ANA_SERDES6G_IB_CFG_VBULK_SEL |
HSIO_ANA_SERDES6G_IB_CFG_SOFSI(1),
base + HSIO_ANA_SERDES6G_IB_CFG);
writel(HSIO_ANA_SERDES6G_IB_CFG1_FILT_OFFSET |
HSIO_ANA_SERDES6G_IB_CFG1_FILT_LP |
HSIO_ANA_SERDES6G_IB_CFG1_FILT_MID |
HSIO_ANA_SERDES6G_IB_CFG1_FILT_HP |
HSIO_ANA_SERDES6G_IB_CFG1_SCALY(15) |
HSIO_ANA_SERDES6G_IB_CFG1_TSDET(ib1_tsdet) |
HSIO_ANA_SERDES6G_IB_CFG1_TJTAG(8),
base + HSIO_ANA_SERDES6G_IB_CFG1);
serdes6g_write(base, addr);
}
static void serdes1g_write(void __iomem *base, u32 addr)
{
u32 data;
writel(HSIO_MCB_SERDES1G_CFG_WR_ONE_SHOT |
HSIO_MCB_SERDES1G_CFG_ADDR(addr),
base + HSIO_MCB_SERDES1G_CFG);
do {
data = readl(base + HSIO_MCB_SERDES1G_CFG);
} while (data & HSIO_MCB_SERDES1G_CFG_WR_ONE_SHOT);
}
static void serdes1g_setup(void __iomem *base, uint32_t addr,
phy_interface_t interface)
{
writel(0x0, base + HSIO_ANA_SERDES1G_SER_CFG);
writel(0x0, base + HSIO_DIG_SERDES1G_TP_CFG);
writel(0x0, base + HSIO_DIG_SERDES1G_DFT_CFG0);
writel(HSIO_ANA_SERDES1G_OB_CFG_RESISTOR_CTRL(1) |
HSIO_ANA_SERDES1G_OB_CFG_VCM_CTRL(4) |
HSIO_ANA_SERDES1G_OB_CFG_CMM_BIAS_CTRL(2) |
HSIO_ANA_SERDES1G_OB_CFG_AMP_CTRL(12) |
HSIO_ANA_SERDES1G_OB_CFG_SLP(3),
base + HSIO_ANA_SERDES1G_OB_CFG);
writel(HSIO_ANA_SERDES1G_IB_CFG_RESISTOR_CTRL(13) |
HSIO_ANA_SERDES1G_IB_CFG_EQ_GAIN(2) |
HSIO_ANA_SERDES1G_IB_CFG_ENA_OFFSET_COMP |
HSIO_ANA_SERDES1G_IB_CFG_ENA_DETLEV |
HSIO_ANA_SERDES1G_IB_CFG_ENA_CMV_TERM |
HSIO_ANA_SERDES1G_IB_CFG_DET_LEV(3) |
HSIO_ANA_SERDES1G_IB_CFG_ACJTAG_HYST(1),
base + HSIO_ANA_SERDES1G_IB_CFG);
writel(HSIO_ANA_SERDES1G_DES_CFG_BW_HYST(7) |
HSIO_ANA_SERDES1G_DES_CFG_BW_ANA(6) |
HSIO_ANA_SERDES1G_DES_CFG_MBTR_CTRL(2) |
HSIO_ANA_SERDES1G_DES_CFG_PHS_CTRL(6),
base + HSIO_ANA_SERDES1G_DES_CFG);
writel(HSIO_DIG_SERDES1G_MISC_CFG_LANE_RST,
base + HSIO_DIG_SERDES1G_MISC_CFG);
writel(HSIO_ANA_SERDES1G_PLL_CFG_FSM_ENA |
HSIO_ANA_SERDES1G_PLL_CFG_FSM_CTRL_DATA(0xc8) |
HSIO_ANA_SERDES1G_PLL_CFG_ENA_RC_DIV2,
base + HSIO_ANA_SERDES1G_PLL_CFG);
writel(HSIO_ANA_SERDES1G_COMMON_CFG_IF_MODE |
HSIO_ANA_SERDES1G_COMMON_CFG_ENA_LANE |
HSIO_ANA_SERDES1G_COMMON_CFG_SYS_RST,
base + HSIO_ANA_SERDES1G_COMMON_CFG);
serdes1g_write(base, addr);
setbits_le32(base + HSIO_ANA_SERDES1G_COMMON_CFG,
HSIO_ANA_SERDES1G_COMMON_CFG_SYS_RST);
serdes1g_write(base, addr);
clrbits_le32(base + HSIO_DIG_SERDES1G_MISC_CFG,
HSIO_DIG_SERDES1G_MISC_CFG_LANE_RST);
serdes1g_write(base, addr);
}
static int ram_init(u32 val, void __iomem *addr)
{
writel(val, addr);
if (wait_for_bit_le32(addr, BIT(1), false, 2000, false)) {
printf("Timeout in memory reset, reg = 0x%08x\n", val);
return 1;
}
return 0;
}
static int jr2_switch_init(struct jr2_private *priv)
{
/* Initialize memories */
ram_init(0x3, priv->regs[QSYS] + QSYS_RAM_CTRL_RAM_INIT);
ram_init(0x3, priv->regs[ASM] + ASM_RAM_CTRL_RAM_INIT);
ram_init(0x3, priv->regs[ANA_AC] + ANA_AC_RAM_CTRL_RAM_INIT);
ram_init(0x3, priv->regs[REW] + REW_RAM_CTRL_RAM_INIT);
/* Reset counters */
writel(0x1, priv->regs[ANA_AC] + ANA_AC_STAT_GLOBAL_CFG_PORT_RESET);
writel(0x1, priv->regs[ASM] + ASM_CFG_STAT_CFG);
/* Enable switch-core and queue system */
writel(0x1, priv->regs[QSYS] + QSYS_SYSTEM_RESET_CFG);
return 0;
}
static void jr2_switch_config(struct jr2_private *priv)
{
writel(0x55555555, priv->regs[QSYS] + QSYS_CALCFG_CAL_AUTO(0));
writel(0x55555555, priv->regs[QSYS] + QSYS_CALCFG_CAL_AUTO(1));
writel(0x55555555, priv->regs[QSYS] + QSYS_CALCFG_CAL_AUTO(2));
writel(0x55555555, priv->regs[QSYS] + QSYS_CALCFG_CAL_AUTO(3));
writel(readl(priv->regs[QSYS] + QSYS_CALCFG_CAL_CTRL) |
QSYS_CALCFG_CAL_CTRL_CAL_MODE(8),
priv->regs[QSYS] + QSYS_CALCFG_CAL_CTRL);
}
static int jr2_initialize(struct jr2_private *priv)
{
int ret, i;
/* Initialize switch memories, enable core */
ret = jr2_switch_init(priv);
if (ret)
return ret;
jr2_switch_config(priv);
for (i = 0; i < MAX_PORT; i++)
jr2_port_init(priv, i);
jr2_cpu_capture_setup(priv);
return 0;
}
static inline int jr2_vlant_wait_for_completion(struct jr2_private *priv)
{
if (wait_for_bit_le32(priv->regs[LRN] + LRN_COMMON_ACCESS_CTRL,
LRN_COMMON_ACCESS_CTRL_MAC_TABLE_ACCESS_SHOT,
false, 2000, false))
return -ETIMEDOUT;
return 0;
}
static int jr2_mac_table_add(struct jr2_private *priv,
const unsigned char mac[ETH_ALEN], int pgid)
{
u32 macl = 0, mach = 0;
/*
* Set the MAC address to handle and the vlan associated in a format
* understood by the hardware.
*/
mach |= MAC_VID << 16;
mach |= ((u32)mac[0]) << 8;
mach |= ((u32)mac[1]) << 0;
macl |= ((u32)mac[2]) << 24;
macl |= ((u32)mac[3]) << 16;
macl |= ((u32)mac[4]) << 8;
macl |= ((u32)mac[5]) << 0;
writel(mach, priv->regs[LRN] + LRN_COMMON_MAC_ACCESS_CFG0);
writel(macl, priv->regs[LRN] + LRN_COMMON_MAC_ACCESS_CFG1);
writel(LRN_COMMON_MAC_ACCESS_CFG2_MAC_ENTRY_ADDR(pgid) |
LRN_COMMON_MAC_ACCESS_CFG2_MAC_ENTRY_TYPE(0x3) |
LRN_COMMON_MAC_ACCESS_CFG2_MAC_ENTRY_CPU_COPY |
LRN_COMMON_MAC_ACCESS_CFG2_MAC_ENTRY_CPU_QU(0) |
LRN_COMMON_MAC_ACCESS_CFG2_MAC_ENTRY_VLD |
LRN_COMMON_MAC_ACCESS_CFG2_MAC_ENTRY_LOCKED,
priv->regs[LRN] + LRN_COMMON_MAC_ACCESS_CFG2);
writel(LRN_COMMON_ACCESS_CTRL_MAC_TABLE_ACCESS_SHOT,
priv->regs[LRN] + LRN_COMMON_ACCESS_CTRL);
return jr2_vlant_wait_for_completion(priv);
}
static int jr2_write_hwaddr(struct udevice *dev)
{
struct jr2_private *priv = dev_get_priv(dev);
struct eth_pdata *pdata = dev_get_platdata(dev);
return jr2_mac_table_add(priv, pdata->enetaddr, PGID_UNICAST);
}
static void serdes_setup(struct jr2_private *priv)
{
size_t mask;
int i = 0;
for (i = 0; i < MAX_PORT; ++i) {
if (!priv->ports[i].bus || priv->ports[i].serdes_index == 0xff)
continue;
mask = BIT(priv->ports[i].serdes_index);
if (priv->ports[i].serdes_index < SERDES1G_MAX) {
serdes1g_setup(priv->regs[HSIO], mask,
priv->ports[i].phy_mode);
} else {
mask >>= SERDES6G(0);
serdes6g_setup(priv->regs[HSIO], mask,
priv->ports[i].phy_mode);
}
}
}
static int jr2_start(struct udevice *dev)
{
struct jr2_private *priv = dev_get_priv(dev);
struct eth_pdata *pdata = dev_get_platdata(dev);
const unsigned char mac[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff,
0xff };
int ret;
ret = jr2_initialize(priv);
if (ret)
return ret;
/* Set MAC address tables entries for CPU redirection */
ret = jr2_mac_table_add(priv, mac, PGID_BROADCAST);
if (ret)
return ret;
ret = jr2_mac_table_add(priv, pdata->enetaddr, PGID_UNICAST);
if (ret)
return ret;
serdes_setup(priv);
return 0;
}
static void jr2_stop(struct udevice *dev)
{
}
static int jr2_send(struct udevice *dev, void *packet, int length)
{
struct jr2_private *priv = dev_get_priv(dev);
u32 ifh[IFH_LEN];
u32 *buf = packet;
memset(ifh, '\0', IFH_LEN);
/* Set DST PORT_MASK */
ifh[0] = htonl(0);
ifh[1] = htonl(0x1FFFFF);
ifh[2] = htonl(~0);
/* Set DST_MODE to INJECT and UPDATE_FCS */
ifh[5] = htonl(0x4c0);
return mscc_send(priv->regs[QS], jr2_regs_qs,
ifh, IFH_LEN, buf, length);
}
static int jr2_recv(struct udevice *dev, int flags, uchar **packetp)
{
struct jr2_private *priv = dev_get_priv(dev);
u32 *rxbuf = (u32 *)net_rx_packets[0];
int byte_cnt = 0;
byte_cnt = mscc_recv(priv->regs[QS], jr2_regs_qs, rxbuf, IFH_LEN,
false);
*packetp = net_rx_packets[0];
return byte_cnt;
}
static struct mii_dev *get_mdiobus(phys_addr_t base, unsigned long size)
{
int i = 0;
for (i = 0; i < JR2_MIIM_BUS_COUNT; ++i)
if (miim[i].miim_base == base && miim[i].miim_size == size)
return miim[i].bus;
return NULL;
}
static void add_port_entry(struct jr2_private *priv, size_t index,
size_t phy_addr, struct mii_dev *bus,
u8 serdes_index, u8 phy_mode)
{
priv->ports[index].phy_addr = phy_addr;
priv->ports[index].bus = bus;
priv->ports[index].serdes_index = serdes_index;
priv->ports[index].phy_mode = phy_mode;
}
static int jr2_probe(struct udevice *dev)
{
struct jr2_private *priv = dev_get_priv(dev);
int i;
int ret;
struct resource res;
fdt32_t faddr;
phys_addr_t addr_base;
unsigned long addr_size;
ofnode eth_node, node, mdio_node;
size_t phy_addr;
struct mii_dev *bus;
struct ofnode_phandle_args phandle;
struct phy_device *phy;
if (!priv)
return -EINVAL;
/* Get registers and map them to the private structure */
for (i = 0; i < ARRAY_SIZE(regs_names); i++) {
priv->regs[i] = dev_remap_addr_name(dev, regs_names[i]);
if (!priv->regs[i]) {
debug
("Error can't get regs base addresses for %s\n",
regs_names[i]);
return -ENOMEM;
}
}
/* Initialize miim buses */
memset(&miim, 0x0, sizeof(struct jr2_miim_dev) * JR2_MIIM_BUS_COUNT);
/* iterate all the ports and find out on which bus they are */
i = 0;
eth_node = dev_read_first_subnode(dev);
for (node = ofnode_first_subnode(eth_node);
ofnode_valid(node);
node = ofnode_next_subnode(node)) {
if (ofnode_read_resource(node, 0, &res))
return -ENOMEM;
i = res.start;
ret = ofnode_parse_phandle_with_args(node, "phy-handle", NULL,
0, 0, &phandle);
if (ret)
continue;
/* Get phy address on mdio bus */
if (ofnode_read_resource(phandle.node, 0, &res))
return -ENOMEM;
phy_addr = res.start;
/* Get mdio node */
mdio_node = ofnode_get_parent(phandle.node);
if (ofnode_read_resource(mdio_node, 0, &res))
return -ENOMEM;
faddr = cpu_to_fdt32(res.start);
addr_base = ofnode_translate_address(mdio_node, &faddr);
addr_size = res.end - res.start;
/* If the bus is new then create a new bus */
if (!get_mdiobus(addr_base, addr_size))
priv->bus[miim_count] =
jr2_mdiobus_init(addr_base, addr_size);
/* Connect mdio bus with the port */
bus = get_mdiobus(addr_base, addr_size);
/* Get serdes info */
ret = ofnode_parse_phandle_with_args(node, "phys", NULL,
3, 0, &phandle);
if (ret)
return -ENOMEM;
add_port_entry(priv, i, phy_addr, bus, phandle.args[1],
phandle.args[2]);
}
for (i = 0; i < MAX_PORT; i++) {
if (!priv->ports[i].bus)
continue;
phy = phy_connect(priv->ports[i].bus,
priv->ports[i].phy_addr, dev,
PHY_INTERFACE_MODE_NONE);
if (phy)
board_phy_config(phy);
}
return 0;
}
static int jr2_remove(struct udevice *dev)
{
struct jr2_private *priv = dev_get_priv(dev);
int i;
for (i = 0; i < JR2_MIIM_BUS_COUNT; i++) {
mdio_unregister(priv->bus[i]);
mdio_free(priv->bus[i]);
}
return 0;
}
static const struct eth_ops jr2_ops = {
.start = jr2_start,
.stop = jr2_stop,
.send = jr2_send,
.recv = jr2_recv,
.write_hwaddr = jr2_write_hwaddr,
};
static const struct udevice_id mscc_jr2_ids[] = {
{.compatible = "mscc,vsc7454-switch" },
{ /* Sentinel */ }
};
U_BOOT_DRIVER(jr2) = {
.name = "jr2-switch",
.id = UCLASS_ETH,
.of_match = mscc_jr2_ids,
.probe = jr2_probe,
.remove = jr2_remove,
.ops = &jr2_ops,
.priv_auto_alloc_size = sizeof(struct jr2_private),
.platdata_auto_alloc_size = sizeof(struct eth_pdata),
};
Reference in a new issue Copy permalink