[U-Boot] [PATCH 1/4] net: Add MSCC Jaguar2 network driver.
Horatiu Vultur
horatiu.vultur at microchip.com
Tue Mar 5 11:57:38 UTC 2019
Add network driver for Microsemi Ethernet switch.
It is present on Jaguar2 SoCs.
Signed-off-by: Horatiu Vultur <horatiu.vultur at microchip.com>
---
drivers/net/mscc_eswitch/Kconfig | 7 +
drivers/net/mscc_eswitch/Makefile | 1 +
drivers/net/mscc_eswitch/jr2_switch.c | 735 ++++++++++++++++++++++++++++++++++
include/configs/vcoreiii.h | 2 +-
4 files changed, 744 insertions(+), 1 deletion(-)
create mode 100644 drivers/net/mscc_eswitch/jr2_switch.c
diff --git a/drivers/net/mscc_eswitch/Kconfig b/drivers/net/mscc_eswitch/Kconfig
index 88e5a97..3f9d14b 100644
--- a/drivers/net/mscc_eswitch/Kconfig
+++ b/drivers/net/mscc_eswitch/Kconfig
@@ -15,3 +15,10 @@ config MSCC_LUTON_SWITCH
select PHYLIB
help
This driver supports the Luton network switch device.
+
+config MSCC_JR2_SWITCH
+ bool "Jaguar2 switch driver"
+ depends on DM_ETH && ARCH_MSCC
+ select PHYLIB
+ help
+ This driver supports the Jaguar2 network switch device.
diff --git a/drivers/net/mscc_eswitch/Makefile b/drivers/net/mscc_eswitch/Makefile
index 751a839..0a1b863 100644
--- a/drivers/net/mscc_eswitch/Makefile
+++ b/drivers/net/mscc_eswitch/Makefile
@@ -1,3 +1,4 @@
obj-$(CONFIG_MSCC_OCELOT_SWITCH) += ocelot_switch.o mscc_miim.o mscc_xfer.o mscc_mac_table.o
obj-$(CONFIG_MSCC_LUTON_SWITCH) += luton_switch.o mscc_miim.o mscc_xfer.o mscc_mac_table.o
+obj-$(CONFIG_MSCC_JR2_SWITCH) += jr2_switch.o mscc_xfer.o
diff --git a/drivers/net/mscc_eswitch/jr2_switch.c b/drivers/net/mscc_eswitch/jr2_switch.c
new file mode 100644
index 0000000..27b72ee
--- /dev/null
+++ b/drivers/net/mscc_eswitch/jr2_switch.c
@@ -0,0 +1,735 @@
+// 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 "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 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 char *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;
+};
+
+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 serdes_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);
+
+ mdelay(100);
+}
+
+__weak void serdes_cfg(void __iomem *base)
+{
+ 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);
+
+ serdes_write(base, 0x1fe);
+
+ setbits_le32(base + HSIO_ANA_SERDES1G_COMMON_CFG,
+ HSIO_ANA_SERDES1G_COMMON_CFG_SYS_RST);
+
+ serdes_write(base, 0x1fe);
+
+ clrbits_le32(base + HSIO_DIG_SERDES1G_MISC_CFG,
+ HSIO_DIG_SERDES1G_MISC_CFG_LANE_RST);
+
+ serdes_write(base, 0x1fe);
+}
+
+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);
+
+ /* enable serdes */
+ serdes_cfg(priv->regs[HSIO]);
+
+ 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 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;
+
+ 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)
+{
+ priv->ports[index].phy_addr = phy_addr;
+ priv->ports[index].bus = bus;
+}
+
+static int jr2_probe(struct udevice *dev)
+{
+ struct jr2_private *priv = dev_get_priv(dev);
+ int i;
+ 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;
+
+ ofnode_parse_phandle_with_args(node, "phy-handle", NULL, 0, 0,
+ &phandle);
+
+ /* 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);
+ add_port_entry(priv, i, phy_addr, bus);
+ }
+
+ 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),
+};
diff --git a/include/configs/vcoreiii.h b/include/configs/vcoreiii.h
index 8c30c6f..5690146 100644
--- a/include/configs/vcoreiii.h
+++ b/include/configs/vcoreiii.h
@@ -10,7 +10,7 @@
/* Onboard devices */
-#define CONFIG_SYS_MALLOC_LEN 0x100000
+#define CONFIG_SYS_MALLOC_LEN 0x1F0000
#define CONFIG_SYS_LOAD_ADDR 0x00100000
#define CONFIG_SYS_INIT_SP_OFFSET 0x400000
--
2.7.4
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