--- /dev/null
+/*
+ * Copyright 2009-2011 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <command.h>
+#include <netdev.h>
+#include <asm/mmu.h>
+#include <asm/processor.h>
+#include <asm/cache.h>
+#include <asm/immap_85xx.h>
+#include <asm/fsl_law.h>
+#include <asm/fsl_ddr_sdram.h>
+#include <asm/fsl_serdes.h>
+#include <asm/fsl_portals.h>
+#include <asm/fsl_liodn.h>
+#include <malloc.h>
+#include <fm_eth.h>
+#include <fsl_mdio.h>
+#include <miiphy.h>
+#include <phy.h>
+
+#include "../common/ngpixis.h"
+#include "../common/fman.h"
+#include <asm/fsl_dtsec.h>
+
+#define EMI_NONE 0xffffffff
+#define EMI_MASK 0xf0000000
+#define EMI1_RGMII 0x0
+#define EMI1_SLOT3 0x80000000 /* bank1 EFGH */
+#define EMI1_SLOT4 0x40000000 /* bank2 ABCD */
+#define EMI1_SLOT5 0xc0000000 /* bank3 ABCD */
+#define EMI2_SLOT4 0x10000000 /* bank2 ABCD */
+#define EMI2_SLOT5 0x30000000 /* bank3 ABCD */
+#define EMI1_MASK 0xc0000000
+#define EMI2_MASK 0x30000000
+
+static int mdio_mux[NUM_FM_PORTS];
+
+static char *mdio_names[16] = {
+ "P4080DS_MDIO0",
+ "P4080DS_MDIO1",
+ NULL,
+ "P4080DS_MDIO3",
+ "P4080DS_MDIO4",
+ NULL, NULL, NULL,
+ "P4080DS_MDIO8",
+ NULL, NULL, NULL,
+ "P4080DS_MDIO12",
+ NULL, NULL, NULL,
+};
+
+static char *p4080ds_mdio_name_for_muxval(u32 muxval)
+{
+ return mdio_names[(muxval & EMI_MASK) >> 28];
+}
+
+struct mii_dev *mii_dev_for_muxval(u32 muxval)
+{
+ struct mii_dev *bus;
+ char *name = p4080ds_mdio_name_for_muxval(muxval);
+
+ if (!name) {
+ printf("No bus for muxval %x\n", muxval);
+ return NULL;
+ }
+
+ bus = miiphy_get_dev_by_name(name);
+
+ if (!bus) {
+ printf("No bus by name %s\n", name);
+ return NULL;
+ }
+
+ return bus;
+}
+
+#ifdef CONFIG_SYS_P4080_ERRATUM_SERDES9
+int board_phy_config(struct phy_device *phydev)
+{
+ /*
+ * If this is the 10G PHY, and we switched it to fiber,
+ * we need to reset the serdes link for SERDES9
+ */
+ if ((phydev->port == PORT_FIBRE) && (phydev->drv->uid == 0x00a19410)) {
+ enum srds_prtcl device;
+
+ switch (phydev->addr) {
+ case 4:
+ device = XAUI_FM1;
+ break;
+ case 0:
+ device = XAUI_FM2;
+ break;
+ default:
+ device = NONE;
+ }
+
+ serdes_reset_rx(device);
+ }
+
+ return 0;
+}
+#endif
+
+struct p4080ds_mdio {
+ u32 muxval;
+ struct mii_dev *realbus;
+};
+
+static void p4080ds_mux_mdio(u32 muxval)
+{
+ ccsr_gpio_t *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR);
+ uint gpioval = in_be32(&pgpio->gpdat) & ~(EMI_MASK);
+ gpioval |= muxval;
+
+ out_be32(&pgpio->gpdat, gpioval);
+}
+
+static int p4080ds_mdio_read(struct mii_dev *bus, int addr, int devad,
+ int regnum)
+{
+ struct p4080ds_mdio *priv = bus->priv;
+
+ p4080ds_mux_mdio(priv->muxval);
+
+ return priv->realbus->read(priv->realbus, addr, devad, regnum);
+}
+
+static int p4080ds_mdio_write(struct mii_dev *bus, int addr, int devad,
+ int regnum, u16 value)
+{
+ struct p4080ds_mdio *priv = bus->priv;
+
+ p4080ds_mux_mdio(priv->muxval);
+
+ return priv->realbus->write(priv->realbus, addr, devad, regnum, value);
+}
+
+static int p4080ds_mdio_reset(struct mii_dev *bus)
+{
+ struct p4080ds_mdio *priv = bus->priv;
+
+ return priv->realbus->reset(priv->realbus);
+}
+
+static int p4080ds_mdio_init(char *realbusname, u32 muxval)
+{
+ struct p4080ds_mdio *pmdio;
+ struct mii_dev *bus = mdio_alloc();
+
+ if (!bus) {
+ printf("Failed to allocate P4080DS MDIO bus\n");
+ return -1;
+ }
+
+ pmdio = malloc(sizeof(*pmdio));
+ if (!pmdio) {
+ printf("Failed to allocate P4080DS private data\n");
+ free(bus);
+ return -1;
+ }
+
+ bus->read = p4080ds_mdio_read;
+ bus->write = p4080ds_mdio_write;
+ bus->reset = p4080ds_mdio_reset;
+ sprintf(bus->name, p4080ds_mdio_name_for_muxval(muxval));
+
+ pmdio->realbus = miiphy_get_dev_by_name(realbusname);
+
+ if (!pmdio->realbus) {
+ printf("No bus with name %s\n", realbusname);
+ free(bus);
+ free(pmdio);
+ return -1;
+ }
+
+ pmdio->muxval = muxval;
+ bus->priv = pmdio;
+
+ return mdio_register(bus);
+}
+
+/*
+ * Sets the specified node's status to the value contained in "status"
+ * If the first character of the specified path is "/" then we use
+ * alias as a path. Otherwise, we look for an alias of that name
+ */
+static void fdt_set_node_status(void *fdt, const char *alias,
+ const char *status)
+{
+ const char *path = fdt_get_alias(fdt, alias);
+
+ if (!path)
+ path = alias;
+
+ do_fixup_by_path(fdt, path, "status", status, strlen(status) + 1, 1);
+}
+
+void board_ft_fman_fixup_port(void *blob, char * prop, phys_addr_t pa,
+ enum fm_port port, int offset)
+{
+ if (mdio_mux[port] == EMI1_RGMII)
+ fdt_set_phy_handle(blob, prop, pa, "phy_rgmii");
+
+ if (mdio_mux[port] == EMI1_SLOT3) {
+ int idx = port - FM2_DTSEC1 + 5;
+ char phy[16];
+
+ sprintf(phy, "phy%d_slot3", idx);
+
+ fdt_set_phy_handle(blob, prop, pa, phy);
+ }
+}
+
+void fdt_fixup_board_enet(void *fdt)
+{
+ int i;
+
+ /*
+ * P4080DS can be configured in many different ways, supporting a number
+ * of combinations of ethernet devices and phy types. In order to
+ * have just one device tree for all of those configurations, we fix up
+ * the tree here. By default, the device tree configures FM1 and FM2
+ * for SGMII, and configures XAUI on both 10G interfaces. So we have
+ * a number of different variables to track:
+ *
+ * 1) Whether the device is configured at all. Whichever devices are
+ * not enabled should be disabled by setting the "status" property
+ * to "disabled".
+ * 2) What the PHY interface is. If this is an RGMII connection,
+ * we should change the "phy-connection-type" property to
+ * "rgmii"
+ * 3) Which PHY is being used. Because the MDIO buses are muxed,
+ * we need to redirect the "phy-handle" property to point at the
+ * PHY on the right slot/bus.
+ */
+
+ /* We've got six MDIO nodes that may or may not need to exist */
+ fdt_set_node_status(fdt, "emi1_slot3", "disabled");
+ fdt_set_node_status(fdt, "emi1_slot4", "disabled");
+ fdt_set_node_status(fdt, "emi1_slot5", "disabled");
+ fdt_set_node_status(fdt, "emi2_slot4", "disabled");
+ fdt_set_node_status(fdt, "emi2_slot5", "disabled");
+
+ for (i = 0; i < NUM_FM_PORTS; i++) {
+ switch (mdio_mux[i]) {
+ case EMI1_SLOT3:
+ fdt_set_node_status(fdt, "emi1_slot3", "okay");
+ break;
+ case EMI1_SLOT4:
+ fdt_set_node_status(fdt, "emi1_slot4", "okay");
+ break;
+ case EMI1_SLOT5:
+ fdt_set_node_status(fdt, "emi1_slot5", "okay");
+ break;
+ case EMI2_SLOT4:
+ fdt_set_node_status(fdt, "emi2_slot4", "okay");
+ break;
+ case EMI2_SLOT5:
+ fdt_set_node_status(fdt, "emi2_slot5", "okay");
+ break;
+ }
+ }
+}
+
+enum board_slots {
+ SLOT1 = 1,
+ SLOT2,
+ SLOT3,
+ SLOT4,
+ SLOT5,
+ SLOT6,
+};
+
+int board_eth_init(bd_t *bis)
+{
+#ifdef CONFIG_FMAN_ENET
+ ccsr_gpio_t *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR);
+ struct dtsec *tsec = (void *)CONFIG_SYS_FSL_FM1_DTSEC1_ADDR;
+ int i;
+ struct fsl_pq_mdio_info dtsec_mdio_info;
+ struct tgec_mdio_info tgec_mdio_info;
+
+ u8 lane_to_slot[] = {
+ SLOT1, /* 0 - Bank 1:A */
+ SLOT1, /* 1 - Bank 1:B */
+ SLOT2, /* 2 - Bank 1:C */
+ SLOT2, /* 3 - Bank 1:D */
+ SLOT3, /* 4 - Bank 1:E */
+ SLOT3, /* 5 - Bank 1:F */
+ SLOT3, /* 6 - Bank 1:G */
+ SLOT3, /* 7 - Bank 1:H */
+ SLOT6, /* 8 - Bank 1:I */
+ SLOT6, /* 9 - Bank 1:J */
+ SLOT4, /* 10 - Bank 2:A */
+ SLOT4, /* 11 - Bank 2:B */
+ SLOT4, /* 12 - Bank 2:C */
+ SLOT4, /* 13 - Bank 2:D */
+ SLOT5, /* 14 - Bank 3:A */
+ SLOT5, /* 15 - Bank 3:B */
+ SLOT5, /* 16 - Bank 3:C */
+ SLOT5, /* 17 - Bank 3:D */
+ };
+
+ /*
+ * Set TBIPA on FM1@DTSEC1. This is needed for configurations
+ * where FM1@DTSEC1 isn't used directly, since it provides
+ * MDIO for other ports.
+ */
+ out_be32(&tsec->tbipa, CONFIG_SYS_TBIPA_VALUE);
+
+ /* Initialize the mdio_mux array so we can recognize empty elements */
+ for (i = 0; i < NUM_FM_PORTS; i++)
+ mdio_mux[i] = EMI_NONE;
+
+ /* The first 4 GPIOs are outputs to control MDIO bus muxing */
+ out_be32(&pgpio->gpdir, EMI_MASK);
+
+ dtsec_mdio_info.regs =
+ (struct tsec_mii_mng *)CONFIG_SYS_FM1_DTSEC1_MDIO_ADDR;
+ dtsec_mdio_info.name = DEFAULT_FM_MDIO_NAME;
+
+ /* Register the 1G MDIO bus */
+ fsl_pq_mdio_init(bis, &dtsec_mdio_info);
+
+ tgec_mdio_info.regs =
+ (struct tgec_mdio_controller *)CONFIG_SYS_FM1_TGEC_MDIO_ADDR;
+ tgec_mdio_info.name = DEFAULT_FM_TGEC_MDIO_NAME;
+
+ /* Register the 10G MDIO bus */
+ fm_tgec_mdio_init(bis, &tgec_mdio_info);
+
+ /* Register the 6 muxing front-ends to the MDIO buses */
+ p4080ds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_RGMII);
+ p4080ds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT3);
+ p4080ds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT4);
+ p4080ds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT5);
+ p4080ds_mdio_init(DEFAULT_FM_TGEC_MDIO_NAME, EMI2_SLOT4);
+ p4080ds_mdio_init(DEFAULT_FM_TGEC_MDIO_NAME, EMI2_SLOT5);
+
+ fm_info_set_phy_address(FM1_DTSEC1, CONFIG_SYS_FM1_DTSEC1_PHY_ADDR);
+ fm_info_set_phy_address(FM1_DTSEC2, CONFIG_SYS_FM1_DTSEC2_PHY_ADDR);
+ fm_info_set_phy_address(FM1_DTSEC3, CONFIG_SYS_FM1_DTSEC3_PHY_ADDR);
+ fm_info_set_phy_address(FM1_DTSEC4, CONFIG_SYS_FM1_DTSEC4_PHY_ADDR);
+ fm_info_set_phy_address(FM1_10GEC1, CONFIG_SYS_FM1_10GEC1_PHY_ADDR);
+
+#if (CONFIG_SYS_NUM_FMAN == 2)
+ fm_info_set_phy_address(FM2_DTSEC1, CONFIG_SYS_FM2_DTSEC1_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC2, CONFIG_SYS_FM2_DTSEC2_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC3, CONFIG_SYS_FM2_DTSEC3_PHY_ADDR);
+ fm_info_set_phy_address(FM2_DTSEC4, CONFIG_SYS_FM2_DTSEC4_PHY_ADDR);
+ fm_info_set_phy_address(FM2_10GEC1, CONFIG_SYS_FM2_10GEC1_PHY_ADDR);
+#endif
+
+ for (i = FM1_DTSEC1; i < FM1_DTSEC1 + CONFIG_SYS_NUM_FM1_DTSEC; i++) {
+ int idx = i - FM1_DTSEC1, lane, slot;
+ switch (fm_info_get_enet_if(i)) {
+ case PHY_INTERFACE_MODE_SGMII:
+ lane = serdes_get_first_lane(SGMII_FM1_DTSEC1 + idx);
+ if (lane < 0)
+ break;
+ slot = lane_to_slot[lane];
+ switch (slot) {
+ case SLOT3:
+ mdio_mux[i] = EMI1_SLOT3;
+ fm_info_set_mdio(i,
+ mii_dev_for_muxval(mdio_mux[i]));
+ break;
+ case SLOT4:
+ mdio_mux[i] = EMI1_SLOT4;
+ fm_info_set_mdio(i,
+ mii_dev_for_muxval(mdio_mux[i]));
+ break;
+ case SLOT5:
+ mdio_mux[i] = EMI1_SLOT5;
+ fm_info_set_mdio(i,
+ mii_dev_for_muxval(mdio_mux[i]));
+ break;
+ };
+ break;
+ case PHY_INTERFACE_MODE_RGMII:
+ fm_info_set_phy_address(i, 0);
+ mdio_mux[i] = EMI1_RGMII;
+ fm_info_set_mdio(i,
+ mii_dev_for_muxval(mdio_mux[i]));
+ break;
+ default:
+ break;
+ }
+ }
+
+ for (i = FM1_10GEC1; i < FM1_10GEC1 + CONFIG_SYS_NUM_FM1_10GEC; i++) {
+ int idx = i - FM1_10GEC1, lane, slot;
+ switch (fm_info_get_enet_if(i)) {
+ case PHY_INTERFACE_MODE_XGMII:
+ lane = serdes_get_first_lane(XAUI_FM1 + idx);
+ if (lane < 0)
+ break;
+ slot = lane_to_slot[lane];
+ switch (slot) {
+ case SLOT4:
+ mdio_mux[i] = EMI2_SLOT4;
+ fm_info_set_mdio(i,
+ mii_dev_for_muxval(mdio_mux[i]));
+ break;
+ case SLOT5:
+ mdio_mux[i] = EMI2_SLOT5;
+ fm_info_set_mdio(i,
+ mii_dev_for_muxval(mdio_mux[i]));
+ break;
+ };
+ break;
+ default:
+ break;
+ }
+ }
+
+#if (CONFIG_SYS_NUM_FMAN == 2)
+ for (i = FM2_DTSEC1; i < FM2_DTSEC1 + CONFIG_SYS_NUM_FM2_DTSEC; i++) {
+ int idx = i - FM2_DTSEC1, lane, slot;
+ switch (fm_info_get_enet_if(i)) {
+ case PHY_INTERFACE_MODE_SGMII:
+ lane = serdes_get_first_lane(SGMII_FM2_DTSEC1 + idx);
+ if (lane < 0)
+ break;
+ slot = lane_to_slot[lane];
+ switch (slot) {
+ case SLOT3:
+ mdio_mux[i] = EMI1_SLOT3;
+ fm_info_set_mdio(i,
+ mii_dev_for_muxval(mdio_mux[i]));
+ break;
+ case SLOT4:
+ mdio_mux[i] = EMI1_SLOT4;
+ fm_info_set_mdio(i,
+ mii_dev_for_muxval(mdio_mux[i]));
+ break;
+ case SLOT5:
+ mdio_mux[i] = EMI1_SLOT5;
+ fm_info_set_mdio(i,
+ mii_dev_for_muxval(mdio_mux[i]));
+ break;
+ };
+ break;
+ case PHY_INTERFACE_MODE_RGMII:
+ fm_info_set_phy_address(i, 0);
+ mdio_mux[i] = EMI1_RGMII;
+ fm_info_set_mdio(i,
+ mii_dev_for_muxval(mdio_mux[i]));
+ break;
+ default:
+ break;
+ }
+ }
+
+ for (i = FM2_10GEC1; i < FM2_10GEC1 + CONFIG_SYS_NUM_FM2_10GEC; i++) {
+ int idx = i - FM2_10GEC1, lane, slot;
+ switch (fm_info_get_enet_if(i)) {
+ case PHY_INTERFACE_MODE_XGMII:
+ lane = serdes_get_first_lane(XAUI_FM2 + idx);
+ if (lane < 0)
+ break;
+ slot = lane_to_slot[lane];
+ switch (slot) {
+ case SLOT4:
+ mdio_mux[i] = EMI2_SLOT4;
+ fm_info_set_mdio(i,
+ mii_dev_for_muxval(mdio_mux[i]));
+ break;
+ case SLOT5:
+ mdio_mux[i] = EMI2_SLOT5;
+ fm_info_set_mdio(i,
+ mii_dev_for_muxval(mdio_mux[i]));
+ break;
+ };
+ break;
+ default:
+ break;
+ }
+ }
+#endif
+
+ cpu_eth_init(bis);
+#endif /* CONFIG_FMAN_ENET */
+
+ return pci_eth_init(bis);
+}
projects / u-boot.git / commitdiff
