diff options
author | Tom Rini | 2019-05-04 20:02:31 -0400 |
---|---|---|
committer | Tom Rini | 2019-05-04 20:02:42 -0400 |
commit | 86f578ee85a697afb980233312f9aac1d98816df (patch) | |
tree | c15c40d7885eac1dff3bdd1e3236e9d42e26c820 /drivers | |
parent | c9baea6d0e96eb4bf55061d516e91e22236ed198 (diff) | |
parent | 5c629b1b69f780540e6e3bcc57d29438749f97c5 (diff) |
Merge tag 'mips-pull-2019-05-03' of git://git.denx.de/u-boot-mips
- mscc: small fixes, enhance network support for Serval, Luton and Ocelot
- mt7620: rename arch to more generic name mtmips
- mips: pass initrd addresses via DT as physical addresses
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/gpio/Kconfig | 2 | ||||
-rw-r--r-- | drivers/net/Kconfig | 2 | ||||
-rw-r--r-- | drivers/net/mscc_eswitch/Kconfig | 7 | ||||
-rw-r--r-- | drivers/net/mscc_eswitch/Makefile | 5 | ||||
-rw-r--r-- | drivers/net/mscc_eswitch/luton_switch.c | 415 | ||||
-rw-r--r-- | drivers/net/mscc_eswitch/ocelot_switch.c | 434 | ||||
-rw-r--r-- | drivers/net/mscc_eswitch/serval_switch.c | 703 | ||||
-rw-r--r-- | drivers/spi/Kconfig | 2 | ||||
-rw-r--r-- | drivers/watchdog/Kconfig | 2 |
9 files changed, 1310 insertions, 262 deletions
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index b3e4ecc50e1..684ca9d868f 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -351,7 +351,7 @@ config MPC8XXX_GPIO config MT7621_GPIO bool "MediaTek MT7621 GPIO driver" - depends on DM_GPIO && ARCH_MT7620 + depends on DM_GPIO && SOC_MT7628 default y help Say yes here to support MediaTek MT7621 compatible GPIOs. diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 6e436b56abf..64cdc58f92c 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -269,7 +269,7 @@ config MACB_ZYNQ config MT7628_ETH bool "MediaTek MT7628 Ethernet Interface" - depends on ARCH_MT7620 + depends on SOC_MT7628 help The MediaTek MT7628 ethernet interface is used on MT7628 and MT7688 based boards. diff --git a/drivers/net/mscc_eswitch/Kconfig b/drivers/net/mscc_eswitch/Kconfig index 6359d0b6101..80dd22f98b7 100644 --- a/drivers/net/mscc_eswitch/Kconfig +++ b/drivers/net/mscc_eswitch/Kconfig @@ -29,3 +29,10 @@ config MSCC_SERVALT_SWITCH select PHYLIB help This driver supports the Servalt network switch device. + +config MSCC_SERVAL_SWITCH + bool "Serval switch driver" + depends on DM_ETH && ARCH_MSCC + select PHYLIB + help + This driver supports the Serval network switch device. diff --git a/drivers/net/mscc_eswitch/Makefile b/drivers/net/mscc_eswitch/Makefile index bffd8ec77b0..02f39a76bb0 100644 --- a/drivers/net/mscc_eswitch/Makefile +++ b/drivers/net/mscc_eswitch/Makefile @@ -1,5 +1,6 @@ -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-$(CONFIG_MSCC_OCELOT_SWITCH) += ocelot_switch.o mscc_xfer.o mscc_mac_table.o +obj-$(CONFIG_MSCC_LUTON_SWITCH) += luton_switch.o mscc_xfer.o mscc_mac_table.o obj-$(CONFIG_MSCC_JR2_SWITCH) += jr2_switch.o mscc_xfer.o obj-$(CONFIG_MSCC_SERVALT_SWITCH) += servalt_switch.o mscc_xfer.o +obj-$(CONFIG_MSCC_SERVAL_SWITCH) += serval_switch.o mscc_xfer.o mscc_mac_table.o diff --git a/drivers/net/mscc_eswitch/luton_switch.c b/drivers/net/mscc_eswitch/luton_switch.c index 6667614966d..94852b06e74 100644 --- a/drivers/net/mscc_eswitch/luton_switch.c +++ b/drivers/net/mscc_eswitch/luton_switch.c @@ -15,10 +15,21 @@ #include <net.h> #include <wait_bit.h> -#include "mscc_miim.h" #include "mscc_xfer.h" #include "mscc_mac_table.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_OPR_WRITE BIT(1) +#define GCB_MIIM_MII_CMD_OPR_READ BIT(2) +#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 (0x2 << 16) + #define ANA_PORT_VLAN_CFG(x) (0x00 + 0x80 * (x)) #define ANA_PORT_VLAN_CFG_AWARE_ENA BIT(20) #define ANA_PORT_VLAN_CFG_POP_CNT(x) ((x) << 18) @@ -136,61 +147,53 @@ #define PGID_UNICAST 29 #define PGID_SRC 80 -enum luton_target { - PORT0, - PORT1, - PORT2, - PORT3, - PORT4, - PORT5, - PORT6, - PORT7, - PORT8, - PORT9, - PORT10, - PORT11, - PORT12, - PORT13, - PORT14, - PORT15, - PORT16, - PORT17, - PORT18, - PORT19, - PORT20, - PORT21, - PORT22, - PORT23, - SYS, +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", + "sys", "ana", "rew", "gcb", "qs", "hsio", +}; + +#define REGS_NAMES_COUNT ARRAY_SIZE(regs_names) + 1 +#define MAX_PORT 24 + +enum luton_ctrl_regs { + SYS = MAX_PORT, ANA, REW, GCB, QS, - HSIO, - TARGET_MAX, + HSIO }; -#define MAX_PORT (PORT23 - PORT0 + 1) +#define MIN_INT_PORT 0 +#define PORT10 10 +#define PORT11 11 +#define MAX_INT_PORT 12 +#define MIN_EXT_PORT MAX_INT_PORT +#define MAX_EXT_PORT MAX_PORT -#define MIN_INT_PORT PORT0 -#define MAX_INT_PORT (PORT11 - PORT0 + 1) -#define MIN_EXT_PORT PORT12 -#define MAX_EXT_PORT MAX_PORT +#define LUTON_MIIM_BUS_COUNT 2 -enum luton_mdio_target { - MIIM, - TARGET_MDIO_MAX, +struct luton_phy_port_t { + size_t phy_addr; + struct mii_dev *bus; + u8 serdes_index; + u8 phy_mode; }; -enum luton_phy_id { - INTERNAL, - EXTERNAL, - NUM_PHY, +struct luton_private { + void __iomem *regs[REGS_NAMES_COUNT]; + struct mii_dev *bus[LUTON_MIIM_BUS_COUNT]; + struct luton_phy_port_t ports[MAX_PORT]; }; -struct luton_private { - void __iomem *regs[TARGET_MAX]; - struct mii_dev *bus[NUM_PHY]; +struct mscc_miim_dev { + void __iomem *regs; + phys_addr_t miim_base; + unsigned long miim_size; + struct mii_dev *bus; }; static const unsigned long luton_regs_qs[] = { @@ -207,53 +210,85 @@ static const unsigned long luton_regs_ana_table[] = { [MSCC_ANA_TABLES_MACACCESS] = 0x11b8, }; -static struct mscc_miim_dev miim[NUM_PHY]; +static struct mscc_miim_dev miim[LUTON_MIIM_BUS_COUNT]; +static int miim_count = -1; -static struct mii_dev *luton_mdiobus_init(struct udevice *dev, - int mdiobus_id) +static int mscc_miim_wait_ready(struct mscc_miim_dev *miim) +{ + return wait_for_bit_le32(miim->regs + GCB_MIIM_MII_STATUS, + GCB_MIIM_STAT_BUSY, false, 250, false); +} + +static int mscc_miim_read(struct mii_dev *bus, int addr, int devad, int reg) +{ + struct mscc_miim_dev *miim = (struct mscc_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 mscc_miim_dev *miim = (struct mscc_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 *serval_mdiobus_init(phys_addr_t miim_base, + unsigned long miim_size) { - unsigned long phy_size[NUM_PHY]; - phys_addr_t phy_base[NUM_PHY]; - struct ofnode_phandle_args phandle; - ofnode eth_node, node, mdio_node; - struct resource res; struct mii_dev *bus; - fdt32_t faddr; - int i; bus = mdio_alloc(); if (!bus) return NULL; - /* gather only the first mdio bus */ - eth_node = dev_read_first_subnode(dev); - node = ofnode_first_subnode(eth_node); - ofnode_parse_phandle_with_args(node, "phy-handle", NULL, 0, 0, - &phandle); - mdio_node = ofnode_get_parent(phandle.node); - - for (i = 0; i < TARGET_MDIO_MAX; i++) { - if (ofnode_read_resource(mdio_node, i, &res)) { - pr_err("%s: get OF resource failed\n", __func__); - return NULL; - } - - faddr = cpu_to_fdt32(res.start); - phy_base[i] = ofnode_translate_address(mdio_node, &faddr); - phy_size[i] = res.end - res.start; - } + ++miim_count; + sprintf(bus->name, "miim-bus%d", miim_count); - strcpy(bus->name, "miim-internal"); - miim[mdiobus_id].regs = ioremap(phy_base[mdiobus_id], - phy_size[mdiobus_id]); - bus->priv = &miim[mdiobus_id]; + 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; - else - return bus; + + miim[miim_count].bus = bus; + return bus; } static void luton_stop(struct udevice *dev) @@ -324,10 +359,10 @@ static void luton_gmii_port_init(struct luton_private *priv, int port) writel(ANA_PORT_VLAN_CFG_AWARE_ENA | ANA_PORT_VLAN_CFG_POP_CNT(1) | MAC_VID, - priv->regs[ANA] + ANA_PORT_VLAN_CFG(port - PORT0)); + priv->regs[ANA] + ANA_PORT_VLAN_CFG(port)); /* Enable switching to/from port */ - setbits_le32(priv->regs[SYS] + SYS_SWITCH_PORT_MODE(port - PORT0), + setbits_le32(priv->regs[SYS] + SYS_SWITCH_PORT_MODE(port), SYS_SWITCH_PORT_MODE_PORT_ENA); } @@ -346,10 +381,10 @@ static void luton_port_init(struct luton_private *priv, int port) writel(ANA_PORT_VLAN_CFG_AWARE_ENA | ANA_PORT_VLAN_CFG_POP_CNT(1) | MAC_VID, - priv->regs[ANA] + ANA_PORT_VLAN_CFG(port - PORT0)); + priv->regs[ANA] + ANA_PORT_VLAN_CFG(port)); /* Enable switching to/from port */ - setbits_le32(priv->regs[SYS] + SYS_SWITCH_PORT_MODE(port - PORT0), + setbits_le32(priv->regs[SYS] + SYS_SWITCH_PORT_MODE(port), SYS_SWITCH_PORT_MODE_PORT_ENA); } @@ -393,35 +428,34 @@ static void luton_ext_port_init(struct luton_private *priv, int port) writel(ANA_PORT_VLAN_CFG_AWARE_ENA | ANA_PORT_VLAN_CFG_POP_CNT(1) | MAC_VID, - priv->regs[ANA] + ANA_PORT_VLAN_CFG(port - PORT0)); + priv->regs[ANA] + ANA_PORT_VLAN_CFG(port)); /* Enable switching to/from port */ - setbits_le32(priv->regs[SYS] + SYS_SWITCH_PORT_MODE(port - PORT0), + setbits_le32(priv->regs[SYS] + SYS_SWITCH_PORT_MODE(port), SYS_SWITCH_PORT_MODE_PORT_ENA); } -static void serdes6g_write(struct luton_private *priv, u32 addr) +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), - priv->regs[HSIO] + HSIO_MCB_SERDES6G_CFG); + base + HSIO_MCB_SERDES6G_CFG); do { - data = readl(priv->regs[HSIO] + HSIO_MCB_SERDES6G_CFG); + data = readl(base + HSIO_MCB_SERDES6G_CFG); } while (data & HSIO_MCB_SERDES6G_CFG_WR_ONE_SHOT); - - mdelay(100); } -static void serdes6g_cfg(struct luton_private *priv) +static void serdes6g_setup(void __iomem *base, uint32_t addr, + phy_interface_t interface) { writel(HSIO_RCOMP_CFG_CFG0_MODE_SEL(0x3) | HSIO_RCOMP_CFG_CFG0_RUN_CAL, - priv->regs[HSIO] + HSIO_RCOMP_CFG_CFG0); + base + HSIO_RCOMP_CFG_CFG0); - while (readl(priv->regs[HSIO] + HSIO_RCOMP_STATUS) & + while (readl(base + HSIO_RCOMP_STATUS) & HSIO_RCOMP_STATUS_BUSY) ; @@ -430,50 +464,64 @@ static void serdes6g_cfg(struct luton_private *priv) HSIO_SERDES6G_ANA_CFG_OB_CFG_POST0(0x10) | HSIO_SERDES6G_ANA_CFG_OB_CFG_POL | HSIO_SERDES6G_ANA_CFG_OB_CFG_ENA1V_MODE, - priv->regs[HSIO] + HSIO_SERDES6G_ANA_CFG_OB_CFG); + base + HSIO_SERDES6G_ANA_CFG_OB_CFG); writel(HSIO_SERDES6G_ANA_CFG_OB_CFG1_LEV(0x18) | HSIO_SERDES6G_ANA_CFG_OB_CFG1_ENA_CAS(0x1), - priv->regs[HSIO] + HSIO_SERDES6G_ANA_CFG_OB_CFG1); + base + HSIO_SERDES6G_ANA_CFG_OB_CFG1); writel(HSIO_SERDES6G_ANA_CFG_IB_CFG_RESISTOR_CTRL(0xc) | HSIO_SERDES6G_ANA_CFG_IB_CFG_VBCOM(0x4) | HSIO_SERDES6G_ANA_CFG_IB_CFG_VBAC(0x5) | HSIO_SERDES6G_ANA_CFG_IB_CFG_RT(0xf) | HSIO_SERDES6G_ANA_CFG_IB_CFG_RF(0x4), - priv->regs[HSIO] + HSIO_SERDES6G_ANA_CFG_IB_CFG); + base + HSIO_SERDES6G_ANA_CFG_IB_CFG); writel(HSIO_SERDES6G_ANA_CFG_IB_CFG1_RST | HSIO_SERDES6G_ANA_CFG_IB_CFG1_ENA_OFFSDC | HSIO_SERDES6G_ANA_CFG_IB_CFG1_ENA_OFFSAC | HSIO_SERDES6G_ANA_CFG_IB_CFG1_ANEG_MODE | HSIO_SERDES6G_ANA_CFG_IB_CFG1_CHF | HSIO_SERDES6G_ANA_CFG_IB_CFG1_C(0x4), - priv->regs[HSIO] + HSIO_SERDES6G_ANA_CFG_IB_CFG1); + base + HSIO_SERDES6G_ANA_CFG_IB_CFG1); writel(HSIO_SERDES6G_ANA_CFG_DES_CFG_BW_ANA(0x5) | HSIO_SERDES6G_ANA_CFG_DES_CFG_BW_HYST(0x5) | HSIO_SERDES6G_ANA_CFG_DES_CFG_MBTR_CTRL(0x2) | HSIO_SERDES6G_ANA_CFG_DES_CFG_PHS_CTRL(0x6), - priv->regs[HSIO] + HSIO_SERDES6G_ANA_CFG_DES_CFG); + base + HSIO_SERDES6G_ANA_CFG_DES_CFG); writel(HSIO_SERDES6G_ANA_CFG_PLL_CFG_FSM_ENA | HSIO_SERDES6G_ANA_CFG_PLL_CFG_FSM_CTRL_DATA(0x78), - priv->regs[HSIO] + HSIO_SERDES6G_ANA_CFG_PLL_CFG); + base + HSIO_SERDES6G_ANA_CFG_PLL_CFG); writel(HSIO_SERDES6G_ANA_CFG_COMMON_CFG_IF_MODE(0x30) | HSIO_SERDES6G_ANA_CFG_COMMON_CFG_ENA_LANE, - priv->regs[HSIO] + HSIO_SERDES6G_ANA_CFG_COMMON_CFG); + base + HSIO_SERDES6G_ANA_CFG_COMMON_CFG); /* * There are 4 serdes6g, configure all except serdes6g0, therefore * the address is b1110 */ - serdes6g_write(priv, 0xe); + serdes6g_write(base, addr); - writel(readl(priv->regs[HSIO] + HSIO_SERDES6G_ANA_CFG_COMMON_CFG) | + writel(readl(base + HSIO_SERDES6G_ANA_CFG_COMMON_CFG) | HSIO_SERDES6G_ANA_CFG_COMMON_CFG_SYS_RST, - priv->regs[HSIO] + HSIO_SERDES6G_ANA_CFG_COMMON_CFG); - serdes6g_write(priv, 0xe); + base + HSIO_SERDES6G_ANA_CFG_COMMON_CFG); + serdes6g_write(base, addr); - clrbits_le32(priv->regs[HSIO] + HSIO_SERDES6G_ANA_CFG_IB_CFG1, + clrbits_le32(base + HSIO_SERDES6G_ANA_CFG_IB_CFG1, HSIO_SERDES6G_ANA_CFG_IB_CFG1_RST); writel(HSIO_SERDES6G_DIG_CFG_MISC_CFG_LANE_RST, - priv->regs[HSIO] + HSIO_SERDES6G_DIG_CFG_MISC_CFG); - serdes6g_write(priv, 0xe); + base + HSIO_SERDES6G_DIG_CFG_MISC_CFG); + serdes6g_write(base, addr); +} + +static void serdes_setup(struct luton_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); + serdes6g_setup(priv->regs[HSIO], mask, priv->ports[i].phy_mode); + } } static int luton_switch_init(struct luton_private *priv) @@ -495,8 +543,8 @@ static int luton_switch_init(struct luton_private *priv) setbits_le32(priv->regs[SYS] + SYS_SYSTEM_RST_CFG, SYS_SYSTEM_RST_CORE_ENA); - /* Setup the Serdes6g macros */ - serdes6g_cfg(priv); + /* Setup the Serdes macros */ + serdes_setup(priv); return 0; } @@ -525,7 +573,7 @@ static int luton_initialize(struct luton_private *priv) writel(2000000000 / 4, priv->regs[SYS] + SYS_FRM_AGING); - for (i = PORT0; i < MAX_PORT; i++) { + for (i = 0; i < MAX_PORT; i++) { if (i < PORT10) luton_gmii_port_init(priv, i); else @@ -608,56 +656,51 @@ static int luton_recv(struct udevice *dev, int flags, uchar **packetp) return byte_cnt; } +static struct mii_dev *get_mdiobus(phys_addr_t base, unsigned long size) +{ + int i = 0; + + for (i = 0; i < LUTON_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 luton_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 luton_probe(struct udevice *dev) { struct luton_private *priv = dev_get_priv(dev); - int i; - - struct { - enum luton_target id; - char *name; - } reg[] = { - { PORT0, "port0" }, - { PORT1, "port1" }, - { PORT2, "port2" }, - { PORT3, "port3" }, - { PORT4, "port4" }, - { PORT5, "port5" }, - { PORT6, "port6" }, - { PORT7, "port7" }, - { PORT8, "port8" }, - { PORT9, "port9" }, - { PORT10, "port10" }, - { PORT11, "port11" }, - { PORT12, "port12" }, - { PORT13, "port13" }, - { PORT14, "port14" }, - { PORT15, "port15" }, - { PORT16, "port16" }, - { PORT17, "port17" }, - { PORT18, "port18" }, - { PORT19, "port19" }, - { PORT20, "port20" }, - { PORT21, "port21" }, - { PORT22, "port22" }, - { PORT23, "port23" }, - { SYS, "sys" }, - { ANA, "ana" }, - { REW, "rew" }, - { GCB, "gcb" }, - { QS, "qs" }, - { HSIO, "hsio" }, - }; + int i, 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; - for (i = 0; i < ARRAY_SIZE(reg); i++) { - priv->regs[reg[i].id] = dev_remap_addr_name(dev, reg[i].name); - if (!priv->regs[reg[i].id]) { + /* 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", - reg[i].name); + regs_names[i]); return -ENOMEM; } } @@ -666,7 +709,7 @@ static int luton_probe(struct udevice *dev) writel(0, priv->regs[GCB] + GCB_DEVCPU_RST_SOFT_CHIP_RST); /* Ports with ext phy don't need to reset clk */ - for (i = PORT0; i < MAX_INT_PORT; i++) { + for (i = 0; i < MAX_INT_PORT; i++) { if (i < PORT10) clrbits_le32(priv->regs[i] + DEV_GMII_PORT_MODE_CLK, DEV_GMII_PORT_MODE_CLK_PHY_RST); @@ -680,20 +723,76 @@ static int luton_probe(struct udevice *dev) GCB_MISC_STAT_PHY_READY, true, 500, false)) return -EACCES; - priv->bus[INTERNAL] = luton_mdiobus_init(dev, INTERNAL); - for (i = 0; i < MAX_INT_PORT; i++) { - phy_connect(priv->bus[INTERNAL], i, dev, - PHY_INTERFACE_MODE_NONE); + /* Initialize miim buses */ + memset(&miim, 0x0, sizeof(miim) * LUTON_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] = + serval_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) + add_port_entry(priv, i, phy_addr, bus, 0xff, 0xff); + else + 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 && i >= MAX_INT_PORT) + board_phy_config(phy); } /* * coma_mode is need on only one phy, because all the other phys * will be affected. */ - mscc_miim_write(priv->bus[INTERNAL], 0, 0, 31, 0x10); - mscc_miim_write(priv->bus[INTERNAL], 0, 0, 14, 0x800); - mscc_miim_write(priv->bus[INTERNAL], 0, 0, 31, 0); + mscc_miim_write(priv->ports[0].bus, 0, 0, 31, 0x10); + mscc_miim_write(priv->ports[0].bus, 0, 0, 14, 0x800); + mscc_miim_write(priv->ports[0].bus, 0, 0, 31, 0); return 0; } @@ -703,7 +802,7 @@ static int luton_remove(struct udevice *dev) struct luton_private *priv = dev_get_priv(dev); int i; - for (i = 0; i < NUM_PHY; i++) { + for (i = 0; i < LUTON_MIIM_BUS_COUNT; i++) { mdio_unregister(priv->bus[i]); mdio_free(priv->bus[i]); } diff --git a/drivers/net/mscc_eswitch/ocelot_switch.c b/drivers/net/mscc_eswitch/ocelot_switch.c index 815c2da2646..5c7e6961be4 100644 --- a/drivers/net/mscc_eswitch/ocelot_switch.c +++ b/drivers/net/mscc_eswitch/ocelot_switch.c @@ -15,7 +15,6 @@ #include <net.h> #include <wait_bit.h> -#include "mscc_miim.h" #include "mscc_xfer.h" #include "mscc_mac_table.h" @@ -26,6 +25,20 @@ #define PHY_STAT 0x4 #define PHY_STAT_SUPERVISOR_COMPLETE BIT(0) +#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_PORT_VLAN_CFG(x) (0x7000 + 0x100 * (x)) #define ANA_PORT_VLAN_CFG_AWARE_ENA BIT(20) #define ANA_PORT_VLAN_CFG_POP_CNT(x) ((x) << 18) @@ -33,6 +46,41 @@ #define ANA_PORT_PORT_CFG_RECV_ENA BIT(6) #define ANA_PGID(x) (0x8c00 + 4 * (x)) +#define HSIO_ANA_SERDES1G_DES_CFG 0x4c +#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 0x50 +#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_ACJTAG_HYST(x) ((x) << 24) +#define HSIO_ANA_SERDES1G_OB_CFG 0x54 +#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 0x58 +#define HSIO_ANA_SERDES1G_COMMON_CFG 0x5c +#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 0x60 +#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 0x68 +#define HSIO_DIG_SERDES1G_MISC_CFG 0x7c +#define HSIO_DIG_SERDES1G_MISC_CFG_LANE_RST BIT(0) +#define HSIO_MCB_SERDES1G_CFG 0x88 +#define HSIO_MCB_SERDES1G_CFG_WR_ONE_SHOT BIT(31) +#define HSIO_MCB_SERDES1G_CFG_ADDR(x) (x) +#define HSIO_HW_CFGSTAT_HW_CFG 0x10c + #define SYS_FRM_AGING 0x574 #define SYS_FRM_AGING_ENA BIT(20) @@ -83,49 +131,58 @@ #define QS_INJ_GRP_CFG_BYTE_SWAP BIT(0) #define IFH_INJ_BYPASS BIT(31) -#define IFH_TAG_TYPE_C 0 -#define MAC_VID 1 +#define IFH_TAG_TYPE_C 0 +#define MAC_VID 1 #define CPU_PORT 11 -#define INTERNAL_PORT_MSK 0xF +#define INTERNAL_PORT_MSK 0x2FF #define IFH_LEN 4 #define ETH_ALEN 6 -#define PGID_BROADCAST 13 -#define PGID_UNICAST 14 -#define PGID_SRC 80 +#define PGID_BROADCAST 13 +#define PGID_UNICAST 14 +#define PGID_SRC 80 -enum ocelot_target { - ANA, - QS, - QSYS, +static const char * const regs_names[] = { + "port0", "port1", "port2", "port3", "port4", "port5", "port6", "port7", + "port8", "port9", "port10", "sys", "rew", "qs", "hsio", "qsys", "ana", +}; + +#define REGS_NAMES_COUNT ARRAY_SIZE(regs_names) + 1 +#define MAX_PORT 11 + +enum ocelot_ctrl_regs { + SYS = MAX_PORT, REW, - SYS, + QS, HSIO, - PORT0, - PORT1, - PORT2, - PORT3, - TARGET_MAX, + QSYS, + ANA, }; -#define MAX_PORT (PORT3 - PORT0) +#define OCELOT_MIIM_BUS_COUNT 2 -enum ocelot_mdio_target { - MIIM, - PHY, - TARGET_MDIO_MAX, +struct ocelot_phy_port_t { + size_t phy_addr; + struct mii_dev *bus; + u8 serdes_index; + u8 phy_mode; }; -enum ocelot_phy_id { - INTERNAL, - EXTERNAL, - NUM_PHY, +struct ocelot_private { + void __iomem *regs[REGS_NAMES_COUNT]; + struct mii_dev *bus[OCELOT_MIIM_BUS_COUNT]; + struct ocelot_phy_port_t ports[MAX_PORT]; }; -struct ocelot_private { - void __iomem *regs[TARGET_MAX]; - struct mii_dev *bus[NUM_PHY]; +struct mscc_miim_dev { + void __iomem *regs; + phys_addr_t miim_base; + unsigned long miim_size; + struct mii_dev *bus; }; +static struct mscc_miim_dev miim[OCELOT_MIIM_BUS_COUNT]; +static int miim_count = -1; + static const unsigned long ocelot_regs_qs[] = { [MSCC_QS_XTR_RD] = 0x8, [MSCC_QS_XTR_FLUSH] = 0x18, @@ -140,65 +197,95 @@ static const unsigned long ocelot_regs_ana_table[] = { [MSCC_ANA_TABLES_MACACCESS] = 0x8b3c, }; -static struct mscc_miim_dev miim[NUM_PHY]; - static void mscc_phy_reset(void) { - writel(0, miim[INTERNAL].phy_regs + PHY_CFG); + writel(0, BASE_DEVCPU_GCB + PERF_PHY_CFG + PHY_CFG); writel(PHY_CFG_RST | PHY_CFG_COMMON_RST - | PHY_CFG_ENA, miim[INTERNAL].phy_regs + PHY_CFG); - if (wait_for_bit_le32(miim[INTERNAL].phy_regs + PHY_STAT, - PHY_STAT_SUPERVISOR_COMPLETE, + | PHY_CFG_ENA, BASE_DEVCPU_GCB + PERF_PHY_CFG + PHY_CFG); + if (wait_for_bit_le32((const void *)(BASE_DEVCPU_GCB + PERF_PHY_CFG) + + PHY_STAT, PHY_STAT_SUPERVISOR_COMPLETE, true, 2000, false)) { pr_err("Timeout in phy reset\n"); } } -/* For now only setup the internal mdio bus */ -static struct mii_dev *ocelot_mdiobus_init(struct udevice *dev) +static int mscc_miim_wait_ready(struct mscc_miim_dev *miim) +{ + return wait_for_bit_le32(miim->regs + GCB_MIIM_MII_STATUS, + GCB_MIIM_STAT_BUSY, false, 250, false); +} + +static int mscc_miim_read(struct mii_dev *bus, int addr, int devad, int reg) +{ + struct mscc_miim_dev *miim = (struct mscc_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 mscc_miim_dev *miim = (struct mscc_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 *ocelot_mdiobus_init(phys_addr_t miim_base, + unsigned long miim_size) { - unsigned long phy_size[TARGET_MAX]; - phys_addr_t phy_base[TARGET_MAX]; - struct ofnode_phandle_args phandle; - ofnode eth_node, node, mdio_node; - struct resource res; struct mii_dev *bus; - fdt32_t faddr; - int i; bus = mdio_alloc(); if (!bus) return NULL; - /* gathered only the first mdio bus */ - eth_node = dev_read_first_subnode(dev); - node = ofnode_first_subnode(eth_node); - ofnode_parse_phandle_with_args(node, "phy-handle", NULL, 0, 0, - &phandle); - mdio_node = ofnode_get_parent(phandle.node); - - for (i = 0; i < TARGET_MDIO_MAX; i++) { - if (ofnode_read_resource(mdio_node, i, &res)) { - pr_err("%s: get OF resource failed\n", __func__); - return NULL; - } - faddr = cpu_to_fdt32(res.start); - phy_base[i] = ofnode_translate_address(mdio_node, &faddr); - phy_size[i] = res.end - res.start; - } + ++miim_count; + sprintf(bus->name, "miim-bus%d", miim_count); - strcpy(bus->name, "miim-internal"); - miim[INTERNAL].phy_regs = ioremap(phy_base[PHY], phy_size[PHY]); - miim[INTERNAL].regs = ioremap(phy_base[MIIM], phy_size[MIIM]); - bus->priv = &miim[INTERNAL]; + 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; - else - return bus; + + miim[miim_count].bus = bus; + return bus; } __weak void mscc_switch_reset(void) @@ -291,13 +378,87 @@ static void ocelot_port_init(struct ocelot_private *priv, int port) /* Make VLAN aware for CPU traffic */ writel(ANA_PORT_VLAN_CFG_AWARE_ENA | ANA_PORT_VLAN_CFG_POP_CNT(1) | - MAC_VID, priv->regs[ANA] + ANA_PORT_VLAN_CFG(port - PORT0)); + MAC_VID, priv->regs[ANA] + ANA_PORT_VLAN_CFG(port)); /* Enable the port in the core */ - setbits_le32(priv->regs[QSYS] + QSYS_SWITCH_PORT_MODE(port - PORT0), + setbits_le32(priv->regs[QSYS] + QSYS_SWITCH_PORT_MODE(port), QSYS_SWITCH_PORT_MODE_PORT_ENA); } +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(0x34, base + HSIO_HW_CFGSTAT_HW_CFG); + + writel(0x0, base + HSIO_ANA_SERDES1G_SER_CFG); + writel(0x0, base + HSIO_DIG_SERDES1G_DFT_CFG0); + writel(HSIO_ANA_SERDES1G_IB_CFG_RESISTOR_CTRL(11) | + HSIO_ANA_SERDES1G_IB_CFG_EQ_GAIN(0) | + HSIO_ANA_SERDES1G_IB_CFG_ENA_OFFSET_COMP | + HSIO_ANA_SERDES1G_IB_CFG_ENA_CMV_TERM | + 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_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_COMMON_CFG_IF_MODE | + HSIO_ANA_SERDES1G_COMMON_CFG_ENA_LANE, + base + HSIO_ANA_SERDES1G_COMMON_CFG); + writel(HSIO_ANA_SERDES1G_PLL_CFG_FSM_ENA | + HSIO_ANA_SERDES1G_PLL_CFG_FSM_CTRL_DATA(200) | + HSIO_ANA_SERDES1G_PLL_CFG_ENA_RC_DIV2, + base + HSIO_ANA_SERDES1G_PLL_CFG); + writel(HSIO_DIG_SERDES1G_MISC_CFG_LANE_RST, + base + HSIO_DIG_SERDES1G_MISC_CFG); + + serdes1g_write(base, addr); + + 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); + + writel(0x0, base + HSIO_DIG_SERDES1G_MISC_CFG); + serdes1g_write(base, addr); +} + +static void serdes_setup(struct ocelot_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); + serdes1g_setup(priv->regs[HSIO], mask, + priv->ports[i].phy_mode); + } +} + static int ocelot_switch_init(struct ocelot_private *priv) { /* Reset switch & memories */ @@ -315,6 +476,7 @@ static int ocelot_switch_init(struct ocelot_private *priv) setbits_le32(priv->regs[SYS] + SYS_SYSTEM_RST_CFG, SYS_SYSTEM_RST_CORE_ENA); + serdes_setup(priv); return 0; } @@ -331,7 +493,7 @@ static int ocelot_initialize(struct ocelot_private *priv) * Put fron ports in "port isolation modes" - i.e. they cant send * to other ports - via the PGID sorce masks. */ - for (i = 0; i <= MAX_PORT; i++) + for (i = 0; i < MAX_PORT; i++) writel(0, priv->regs[ANA] + ANA_PGID(PGID_SRC + i)); /* Flush queues */ @@ -341,7 +503,7 @@ static int ocelot_initialize(struct ocelot_private *priv) writel(SYS_FRM_AGING_ENA | (20000000 / 65), priv->regs[SYS] + SYS_FRM_AGING); - for (i = PORT0; i <= PORT3; i++) + for (i = 0; i < MAX_PORT; i++) ocelot_port_init(priv, i); ocelot_cpu_capture_setup(priv); @@ -433,43 +595,119 @@ static int ocelot_recv(struct udevice *dev, int flags, uchar **packetp) return byte_cnt; } +static struct mii_dev *get_mdiobus(phys_addr_t base, unsigned long size) +{ + int i = 0; + + for (i = 0; i < OCELOT_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 ocelot_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 external_bus(struct ocelot_private *priv, size_t port_index) +{ + return priv->ports[port_index].serdes_index != 0xff; +} + static int ocelot_probe(struct udevice *dev) { struct ocelot_private *priv = dev_get_priv(dev); - int ret, i; + int i, 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; - struct { - enum ocelot_target id; - char *name; - } reg[] = { - { SYS, "sys" }, - { REW, "rew" }, - { QSYS, "qsys" }, - { ANA, "ana" }, - { QS, "qs" }, - { HSIO, "hsio" }, - { PORT0, "port0" }, - { PORT1, "port1" }, - { PORT2, "port2" }, - { PORT3, "port3" }, - }; - - for (i = 0; i < ARRAY_SIZE(reg); i++) { - priv->regs[reg[i].id] = dev_remap_addr_name(dev, reg[i].name); - if (!priv->regs[reg[i].id]) { - pr_err - ("Error %d: can't get regs base addresses for %s\n", - ret, reg[i].name); + 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; } } - priv->bus[INTERNAL] = ocelot_mdiobus_init(dev); + /* Initialize miim buses */ + memset(&miim, 0x0, sizeof(struct mscc_miim_dev) * + OCELOT_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] = + ocelot_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) + add_port_entry(priv, i, phy_addr, bus, 0xff, 0xff); + else + add_port_entry(priv, i, phy_addr, bus, phandle.args[1], + phandle.args[2]); + } + mscc_phy_reset(); - for (i = 0; i < 4; i++) { - phy_connect(priv->bus[INTERNAL], i, dev, - PHY_INTERFACE_MODE_NONE); + 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 && external_bus(priv, i)) + board_phy_config(phy); } return 0; @@ -480,7 +718,7 @@ static int ocelot_remove(struct udevice *dev) struct ocelot_private *priv = dev_get_priv(dev); int i; - for (i = 0; i < NUM_PHY; i++) { + for (i = 0; i < OCELOT_MIIM_BUS_COUNT; i++) { mdio_unregister(priv->bus[i]); mdio_free(priv->bus[i]); } diff --git a/drivers/net/mscc_eswitch/serval_switch.c b/drivers/net/mscc_eswitch/serval_switch.c new file mode 100644 index 00000000000..2559f5d0cd1 --- /dev/null +++ b/drivers/net/mscc_eswitch/serval_switch.c @@ -0,0 +1,703 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2019 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" +#include "mscc_mac_table.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_OPR_WRITE BIT(1) +#define GCB_MIIM_MII_CMD_OPR_READ BIT(2) +#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 (0x2 << 16) + +#define ANA_PORT_VLAN_CFG(x) (0xc000 + 0x100 * (x)) +#define ANA_PORT_VLAN_CFG_AWARE_ENA BIT(20) +#define ANA_PORT_VLAN_CFG_POP_CNT(x) ((x) << 18) +#define ANA_PORT_PORT_CFG(x) (0xc070 + 0x100 * (x)) +#define ANA_PORT_PORT_CFG_RECV_ENA BIT(6) +#define ANA_PGID(x) (0x9c00 + 4 * (x)) + +#define HSIO_ANA_SERDES1G_DES_CFG 0x3c +#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 0x40 +#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 0x44 +#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 0x48 +#define HSIO_ANA_SERDES1G_COMMON_CFG 0x4c +#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 0x50 +#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 0x58 +#define HSIO_DIG_SERDES1G_MISC_CFG 0x6c +#define HSIO_DIG_SERDES1G_MISC_CFG_LANE_RST BIT(0) +#define HSIO_MCB_SERDES1G_CFG 0x74 +#define HSIO_MCB_SERDES1G_CFG_WR_ONE_SHOT BIT(31) +#define HSIO_MCB_SERDES1G_CFG_ADDR(x) (x) + +#define SYS_FRM_AGING 0x584 +#define SYS_FRM_AGING_ENA BIT(20) +#define SYS_SYSTEM_RST_CFG 0x518 +#define SYS_SYSTEM_RST_MEM_INIT BIT(5) +#define SYS_SYSTEM_RST_MEM_ENA BIT(6) +#define SYS_SYSTEM_RST_CORE_ENA BIT(7) +#define SYS_PORT_MODE(x) (0x524 + 0x4 * (x)) +#define SYS_PORT_MODE_INCL_INJ_HDR(x) ((x) << 4) +#define SYS_PORT_MODE_INCL_XTR_HDR(x) ((x) << 2) +#define SYS_PAUSE_CFG(x) (0x65c + 0x4 * (x)) +#define SYS_PAUSE_CFG_PAUSE_ENA BIT(0) + +#define QSYS_SWITCH_PORT_MODE(x) (0x15a34 + 0x4 * (x)) +#define QSYS_SWITCH_PORT_MODE_PORT_ENA BIT(13) +#define QSYS_EGR_NO_SHARING 0x15a9c +#define QSYS_QMAP 0x15adc + +/* Port registers */ +#define DEV_CLOCK_CFG 0x0 +#define DEV_CLOCK_CFG_LINK_SPEED_1000 1 +#define DEV_MAC_ENA_CFG 0x10 +#define DEV_MAC_ENA_CFG_RX_ENA BIT(4) +#define DEV_MAC_ENA_CFG_TX_ENA BIT(0) +#define DEV_MAC_IFG_CFG 0x24 +#define DEV_MAC_IFG_CFG_TX_IFG(x) ((x) << 8) +#define DEV_MAC_IFG_CFG_RX_IFG2(x) ((x) << 4) +#define DEV_MAC_IFG_CFG_RX_IFG1(x) (x) +#define PCS1G_CFG 0x3c +#define PCS1G_MODE_CFG_SGMII_MODE_ENA BIT(0) +#define PCS1G_MODE_CFG 0x40 +#define PCS1G_SD_CFG 0x44 +#define PCS1G_ANEG_CFG 0x48 +#define PCS1G_ANEG_CFG_ADV_ABILITY(x) ((x) << 16) + +#define QS_XTR_GRP_CFG(x) (4 * (x)) +#define QS_XTR_GRP_CFG_MODE(x) ((x) << 2) +#define QS_XTR_GRP_CFG_BYTE_SWAP BIT(0) +#define QS_INJ_GRP_CFG(x) (0x24 + (x) * 4) +#define QS_INJ_GRP_CFG_MODE(x) ((x) << 2) +#define QS_INJ_GRP_CFG_BYTE_SWAP BIT(0) + +#define IFH_INJ_BYPASS BIT(31) +#define IFH_TAG_TYPE_C 0 +#define MAC_VID 1 +#define CPU_PORT 11 +#define INTERNAL_PORT_MSK 0xFF +#define IFH_LEN 4 +#define ETH_ALEN 6 +#define PGID_BROADCAST 13 +#define PGID_UNICAST 14 + +static const char *const regs_names[] = { + "port0", "port1", "port2", "port3", "port4", "port5", "port6", + "port7", "port8", "port9", "port10", + "ana", "qs", "qsys", "rew", "sys", "hsio", +}; + +#define REGS_NAMES_COUNT ARRAY_SIZE(regs_names) + 1 +#define MAX_PORT 11 + +enum serval_ctrl_regs { + ANA = MAX_PORT, + QS, + QSYS, + REW, + SYS, + HSIO, +}; + +#define SERVAL_MIIM_BUS_COUNT 2 + +struct serval_phy_port_t { + size_t phy_addr; + struct mii_dev *bus; + u8 serdes_index; + u8 phy_mode; +}; + +struct serval_private { + void __iomem *regs[REGS_NAMES_COUNT]; + struct mii_dev *bus[SERVAL_MIIM_BUS_COUNT]; + struct serval_phy_port_t ports[MAX_PORT]; +}; + +struct mscc_miim_dev { + void __iomem *regs; + phys_addr_t miim_base; + unsigned long miim_size; + struct mii_dev *bus; +}; + +static const unsigned long serval_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 const unsigned long serval_regs_ana_table[] = { + [MSCC_ANA_TABLES_MACHDATA] = 0x9b34, + [MSCC_ANA_TABLES_MACLDATA] = 0x9b38, + [MSCC_ANA_TABLES_MACACCESS] = 0x9b3c, +}; + +static struct mscc_miim_dev miim[SERVAL_MIIM_BUS_COUNT]; +static int miim_count = -1; + +static int mscc_miim_wait_ready(struct mscc_miim_dev *miim) +{ + return wait_for_bit_le32(miim->regs + GCB_MIIM_MII_STATUS, + GCB_MIIM_STAT_BUSY, false, 250, false); +} + +static int mscc_miim_read(struct mii_dev *bus, int addr, int devad, int reg) +{ + struct mscc_miim_dev *miim = (struct mscc_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 mscc_miim_dev *miim = (struct mscc_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 *serval_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 serval_cpu_capture_setup(struct serval_private *priv) +{ + int i; + + /* map the 8 CPU extraction queues to CPU port 11 */ + writel(0, priv->regs[QSYS] + QSYS_QMAP); + + for (i = 0; i <= 1; i++) { + /* + * Do byte-swap and expect status after last data word + * Extraction: Mode: manual extraction) | Byte_swap + */ + writel(QS_XTR_GRP_CFG_MODE(1) | QS_XTR_GRP_CFG_BYTE_SWAP, + priv->regs[QS] + QS_XTR_GRP_CFG(i)); + /* + * Injection: Mode: manual extraction | Byte_swap + */ + writel(QS_INJ_GRP_CFG_MODE(1) | QS_INJ_GRP_CFG_BYTE_SWAP, + priv->regs[QS] + QS_INJ_GRP_CFG(i)); + } + + for (i = 0; i <= 1; i++) + /* Enable IFH insertion/parsing on CPU ports */ + writel(SYS_PORT_MODE_INCL_INJ_HDR(1) | + SYS_PORT_MODE_INCL_XTR_HDR(1), + priv->regs[SYS] + SYS_PORT_MODE(CPU_PORT + i)); + /* + * Setup the CPU port as VLAN aware to support switching frames + * based on tags + */ + writel(ANA_PORT_VLAN_CFG_AWARE_ENA | ANA_PORT_VLAN_CFG_POP_CNT(1) | + MAC_VID, priv->regs[ANA] + ANA_PORT_VLAN_CFG(CPU_PORT)); + + /* Disable learning (only RECV_ENA must be set) */ + writel(ANA_PORT_PORT_CFG_RECV_ENA, + priv->regs[ANA] + ANA_PORT_PORT_CFG(CPU_PORT)); + + /* Enable switching to/from cpu port */ + setbits_le32(priv->regs[QSYS] + QSYS_SWITCH_PORT_MODE(CPU_PORT), + QSYS_SWITCH_PORT_MODE_PORT_ENA); + + /* No pause on CPU port - not needed (off by default) */ + clrbits_le32(priv->regs[SYS] + SYS_PAUSE_CFG(CPU_PORT), + SYS_PAUSE_CFG_PAUSE_ENA); + + setbits_le32(priv->regs[QSYS] + QSYS_EGR_NO_SHARING, BIT(CPU_PORT)); +} + +static void serval_port_init(struct serval_private *priv, int port) +{ + void __iomem *regs = priv->regs[port]; + + /* Enable PCS */ + writel(PCS1G_MODE_CFG_SGMII_MODE_ENA, regs + PCS1G_CFG); + + /* Disable Signal Detect */ + writel(0, regs + PCS1G_SD_CFG); + + /* Enable MAC RX and TX */ + writel(DEV_MAC_ENA_CFG_RX_ENA | DEV_MAC_ENA_CFG_TX_ENA, + regs + DEV_MAC_ENA_CFG); + + /* Clear sgmii_mode_ena */ + writel(0, regs + PCS1G_MODE_CFG); + + /* + * Clear sw_resolve_ena(bit 0) and set adv_ability to + * something meaningful just in case + */ + writel(PCS1G_ANEG_CFG_ADV_ABILITY(0x20), regs + PCS1G_ANEG_CFG); + + /* Set MAC IFG Gaps */ + writel(DEV_MAC_IFG_CFG_TX_IFG(5) | DEV_MAC_IFG_CFG_RX_IFG1(5) | + DEV_MAC_IFG_CFG_RX_IFG2(1), regs + DEV_MAC_IFG_CFG); + + /* Set link speed and release all resets */ + writel(DEV_CLOCK_CFG_LINK_SPEED_1000, regs + DEV_CLOCK_CFG); + + /* Make VLAN aware for CPU traffic */ + writel(ANA_PORT_VLAN_CFG_AWARE_ENA | ANA_PORT_VLAN_CFG_POP_CNT(1) | + MAC_VID, priv->regs[ANA] + ANA_PORT_VLAN_CFG(port)); + + /* Enable the port in the core */ + setbits_le32(priv->regs[QSYS] + QSYS_SWITCH_PORT_MODE(port), + QSYS_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); +} + +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_DFT_CFG0); + writel(HSIO_ANA_SERDES1G_IB_CFG_RESISTOR_CTRL(11) | + HSIO_ANA_SERDES1G_IB_CFG_EQ_GAIN(0) | + HSIO_ANA_SERDES1G_IB_CFG_ENA_OFFSET_COMP | + HSIO_ANA_SERDES1G_IB_CFG_ENA_CMV_TERM | + 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_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_COMMON_CFG_IF_MODE | + HSIO_ANA_SERDES1G_COMMON_CFG_ENA_LANE, + base + HSIO_ANA_SERDES1G_COMMON_CFG); + writel(HSIO_ANA_SERDES1G_PLL_CFG_FSM_ENA | + HSIO_ANA_SERDES1G_PLL_CFG_FSM_CTRL_DATA(200) | + HSIO_ANA_SERDES1G_PLL_CFG_ENA_RC_DIV2, + base + HSIO_ANA_SERDES1G_PLL_CFG); + writel(HSIO_DIG_SERDES1G_MISC_CFG_LANE_RST, + base + HSIO_DIG_SERDES1G_MISC_CFG); + serdes_write(base, addr); + + 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, addr); + + writel(0x0, base + HSIO_DIG_SERDES1G_MISC_CFG); + serdes_write(base, addr); +} + +static void serdes_setup(struct serval_private *priv) +{ + size_t mask; + int i = 0; + + for (i = 0; i < MAX_PORT; ++i) { + if (!priv->ports[i].bus) + continue; + + mask = BIT(priv->ports[i].serdes_index); + serdes1g_setup(priv->regs[HSIO], mask, + priv->ports[i].phy_mode); + } +} + +static int serval_switch_init(struct serval_private *priv) +{ + /* Reset switch & memories */ + writel(SYS_SYSTEM_RST_MEM_ENA | SYS_SYSTEM_RST_MEM_INIT, + priv->regs[SYS] + SYS_SYSTEM_RST_CFG); + + if (wait_for_bit_le32(priv->regs[SYS] + SYS_SYSTEM_RST_CFG, + SYS_SYSTEM_RST_MEM_INIT, false, 2000, false)) { + pr_err("Timeout in memory reset\n"); + return -EIO; + } + + /* Enable switch core */ + setbits_le32(priv->regs[SYS] + SYS_SYSTEM_RST_CFG, + SYS_SYSTEM_RST_CORE_ENA); + + serdes_setup(priv); + + return 0; +} + +static int serval_initialize(struct serval_private *priv) +{ + int ret, i; + + /* Initialize switch memories, enable core */ + ret = serval_switch_init(priv); + if (ret) + return ret; + + /* Flush queues */ + mscc_flush(priv->regs[QS], serval_regs_qs); + + /* Setup frame ageing - "2 sec" - The unit is 6.5us on serval */ + writel(SYS_FRM_AGING_ENA | (20000000 / 65), + priv->regs[SYS] + SYS_FRM_AGING); + + for (i = 0; i < MAX_PORT; i++) + serval_port_init(priv, i); + + serval_cpu_capture_setup(priv); + + debug("Ports enabled\n"); + + return 0; +} + +static int serval_write_hwaddr(struct udevice *dev) +{ + struct serval_private *priv = dev_get_priv(dev); + struct eth_pdata *pdata = dev_get_platdata(dev); + + mscc_mac_table_add(priv->regs[ANA], serval_regs_ana_table, + pdata->enetaddr, PGID_UNICAST); + + writel(BIT(CPU_PORT), priv->regs[ANA] + ANA_PGID(PGID_UNICAST)); + + return 0; +} + +static int serval_start(struct udevice *dev) +{ + struct serval_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 = serval_initialize(priv); + if (ret) + return ret; + + /* Set MAC address tables entries for CPU redirection */ + mscc_mac_table_add(priv->regs[ANA], serval_regs_ana_table, mac, + PGID_BROADCAST); + + writel(BIT(CPU_PORT) | INTERNAL_PORT_MSK, + priv->regs[ANA] + ANA_PGID(PGID_BROADCAST)); + + /* It should be setup latter in serval_write_hwaddr */ + mscc_mac_table_add(priv->regs[ANA], serval_regs_ana_table, + pdata->enetaddr, PGID_UNICAST); + + writel(BIT(CPU_PORT), priv->regs[ANA] + ANA_PGID(PGID_UNICAST)); + return 0; +} + +static void serval_stop(struct udevice *dev) +{ + writel(ICPU_RESET_CORE_RST_PROTECT, BASE_CFG + ICPU_RESET); + writel(PERF_SOFT_RST_SOFT_CHIP_RST, BASE_DEVCPU_GCB + PERF_SOFT_RST); +} + +static int serval_send(struct udevice *dev, void *packet, int length) +{ + struct serval_private *priv = dev_get_priv(dev); + u32 ifh[IFH_LEN]; + u32 *buf = packet; + + /* + * Generate the IFH for frame injection + * + * The IFH is a 128bit-value + * bit 127: bypass the analyzer processing + * bit 57-67: destination mask + * bit 28-29: pop_cnt: 3 disables all rewriting of the frame + * bit 20-27: cpu extraction queue mask + * bit 16: tag type 0: C-tag, 1: S-tag + * bit 0-11: VID + */ + ifh[0] = IFH_INJ_BYPASS; + ifh[1] = (0x07); + ifh[2] = (0x7f) << 25; + ifh[3] = (IFH_TAG_TYPE_C << 16); + + return mscc_send(priv->regs[QS], serval_regs_qs, + ifh, IFH_LEN, buf, length); +} + +static int serval_recv(struct udevice *dev, int flags, uchar **packetp) +{ + struct serval_private *priv = dev_get_priv(dev); + u32 *rxbuf = (u32 *)net_rx_packets[0]; + int byte_cnt = 0; + + byte_cnt = mscc_recv(priv->regs[QS], serval_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 < SERVAL_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 serval_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 serval_probe(struct udevice *dev) +{ + struct serval_private *priv = dev_get_priv(dev); + int i, 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(miim) * SERVAL_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] = + serval_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 serval_remove(struct udevice *dev) +{ + struct serval_private *priv = dev_get_priv(dev); + int i; + + for (i = 0; i < SERVAL_MIIM_BUS_COUNT; i++) { + mdio_unregister(priv->bus[i]); + mdio_free(priv->bus[i]); + } + + return 0; +} + +static const struct eth_ops serval_ops = { + .start = serval_start, + .stop = serval_stop, + .send = serval_send, + .recv = serval_recv, + .write_hwaddr = serval_write_hwaddr, +}; + +static const struct udevice_id mscc_serval_ids[] = { + {.compatible = "mscc,vsc7418-switch"}, + { /* Sentinel */ } +}; + +U_BOOT_DRIVER(serval) = { + .name = "serval-switch", + .id = UCLASS_ETH, + .of_match = mscc_serval_ids, + .probe = serval_probe, + .remove = serval_remove, + .ops = &serval_ops, + .priv_auto_alloc_size = sizeof(struct serval_private), + .platdata_auto_alloc_size = sizeof(struct eth_pdata), +}; diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index fb794adae72..2830f765877 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -133,7 +133,7 @@ config MPC8XX_SPI config MT7621_SPI bool "MediaTek MT7621 SPI driver" - depends on ARCH_MT7620 + depends on SOC_MT7628 help Enable the MT7621 SPI driver. This driver can be used to access the SPI NOR flash on platforms embedding this Ralink / MediaTek diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index 16d47b88858..f909d40f455 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -143,7 +143,7 @@ config WDT_AT91 config WDT_MT7621 bool "MediaTek MT7621 watchdog timer support" - depends on WDT && ARCH_MT7620 + depends on WDT && SOC_MT7628 help Select this to enable Ralink / Mediatek watchdog timer, which can be found on some MediaTek chips. |