#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)
#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[] = {
[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)
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);
}
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);
}
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)
;
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)
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;
}
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
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;
}
}
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);
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;
}
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]);
}
projects / platform / kernel / u-boot.git / commitdiff