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u-boot/board/freescale/t102xqds/eth_t102xqds.c
Bin Meng a187559e3d Use correct spelling of "U-Boot" 
Correct spelling of "U-Boot" shall be used in all written text
(documentation, comments in source files etc.).

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Minkyu Kang <mk7.kang@samsung.com>
2016-02-06 12:00:59 +01:00

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/*
* Copyright 2014 Freescale Semiconductor, Inc.
*
* Shengzhou Liu <Shengzhou.Liu@freescale.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
#include <netdev.h>
#include <asm/mmu.h>
#include <asm/processor.h>
#include <asm/immap_85xx.h>
#include <asm/fsl_law.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 <fsl_dtsec.h>
#include <asm/fsl_serdes.h>
#include "../common/qixis.h"
#include "../common/fman.h"
#include "t102xqds_qixis.h"
#define EMI_NONE 0xFFFFFFFF
#define EMI1_RGMII1 0
#define EMI1_RGMII2 1
#define EMI1_SLOT1 2
#define EMI1_SLOT2 3
#define EMI1_SLOT3 4
#define EMI1_SLOT4 5
#define EMI1_SLOT5 6
#define EMI2 7
static int mdio_mux[NUM_FM_PORTS];
static const char * const mdio_names[] = {
"T1024QDS_MDIO_RGMII1",
"T1024QDS_MDIO_RGMII2",
"T1024QDS_MDIO_SLOT1",
"T1024QDS_MDIO_SLOT2",
"T1024QDS_MDIO_SLOT3",
"T1024QDS_MDIO_SLOT4",
"T1024QDS_MDIO_SLOT5",
"T1024QDS_MDIO_10GC",
"NULL",
};
/* Map SerDes1 4 lanes to default slot, will be initialized dynamically */
static u8 lane_to_slot[] = {2, 3, 4, 5};
static const char *t1024qds_mdio_name_for_muxval(u8 muxval)
{
return mdio_names[muxval];
}
struct mii_dev *mii_dev_for_muxval(u8 muxval)
{
struct mii_dev *bus;
const char *name;
if (muxval > EMI2)
return NULL;
name = t1024qds_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;
}
struct t1024qds_mdio {
u8 muxval;
struct mii_dev *realbus;
};
static void t1024qds_mux_mdio(u8 muxval)
{
u8 brdcfg4;
if (muxval < 7) {
brdcfg4 = QIXIS_READ(brdcfg[4]);
brdcfg4 &= ~BRDCFG4_EMISEL_MASK;
brdcfg4 |= (muxval << BRDCFG4_EMISEL_SHIFT);
QIXIS_WRITE(brdcfg[4], brdcfg4);
}
}
static int t1024qds_mdio_read(struct mii_dev *bus, int addr, int devad,
int regnum)
{
struct t1024qds_mdio *priv = bus->priv;
t1024qds_mux_mdio(priv->muxval);
return priv->realbus->read(priv->realbus, addr, devad, regnum);
}
static int t1024qds_mdio_write(struct mii_dev *bus, int addr, int devad,
int regnum, u16 value)
{
struct t1024qds_mdio *priv = bus->priv;
t1024qds_mux_mdio(priv->muxval);
return priv->realbus->write(priv->realbus, addr, devad, regnum, value);
}
static int t1024qds_mdio_reset(struct mii_dev *bus)
{
struct t1024qds_mdio *priv = bus->priv;
return priv->realbus->reset(priv->realbus);
}
static int t1024qds_mdio_init(char *realbusname, u8 muxval)
{
struct t1024qds_mdio *pmdio;
struct mii_dev *bus = mdio_alloc();
if (!bus) {
printf("Failed to allocate t1024qds MDIO bus\n");
return -1;
}
pmdio = malloc(sizeof(*pmdio));
if (!pmdio) {
printf("Failed to allocate t1024qds private data\n");
free(bus);
return -1;
}
bus->read = t1024qds_mdio_read;
bus->write = t1024qds_mdio_write;
bus->reset = t1024qds_mdio_reset;
strcpy(bus->name, t1024qds_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);
}
void board_ft_fman_fixup_port(void *fdt, char *compat, phys_addr_t addr,
enum fm_port port, int offset)
{
struct fixed_link f_link;
if (fm_info_get_enet_if(port) == PHY_INTERFACE_MODE_RGMII) {
if (port == FM1_DTSEC3) {
fdt_set_phy_handle(fdt, compat, addr, "rgmii_phy2");
fdt_setprop_string(fdt, offset, "phy-connection-type",
"rgmii");
fdt_status_okay_by_alias(fdt, "emi1_rgmii1");
}
} else if (fm_info_get_enet_if(port) == PHY_INTERFACE_MODE_SGMII) {
if (port == FM1_DTSEC1) {
fdt_set_phy_handle(fdt, compat, addr,
"sgmii_vsc8234_phy_s5");
} else if (port == FM1_DTSEC2) {
fdt_set_phy_handle(fdt, compat, addr,
"sgmii_vsc8234_phy_s4");
}
} else if (fm_info_get_enet_if(port) == PHY_INTERFACE_MODE_SGMII_2500) {
if (port == FM1_DTSEC3) {
fdt_set_phy_handle(fdt, compat, addr,
"sgmii_aqr105_phy_s3");
}
} else if (fm_info_get_enet_if(port) == PHY_INTERFACE_MODE_QSGMII) {
switch (port) {
case FM1_DTSEC1:
fdt_set_phy_handle(fdt, compat, addr, "qsgmii_phy_p1");
break;
case FM1_DTSEC2:
fdt_set_phy_handle(fdt, compat, addr, "qsgmii_phy_p2");
break;
case FM1_DTSEC3:
fdt_set_phy_handle(fdt, compat, addr, "qsgmii_phy_p3");
break;
case FM1_DTSEC4:
fdt_set_phy_handle(fdt, compat, addr, "qsgmii_phy_p4");
break;
default:
break;
}
fdt_delprop(fdt, offset, "phy-connection-type");
fdt_setprop_string(fdt, offset, "phy-connection-type",
"qsgmii");
fdt_status_okay_by_alias(fdt, "emi1_slot2");
} else if (fm_info_get_enet_if(port) == PHY_INTERFACE_MODE_XGMII) {
/* XFI interface */
f_link.phy_id = port;
f_link.duplex = 1;
f_link.link_speed = 10000;
f_link.pause = 0;
f_link.asym_pause = 0;
/* no PHY for XFI */
fdt_delprop(fdt, offset, "phy-handle");
fdt_setprop(fdt, offset, "fixed-link", &f_link, sizeof(f_link));
fdt_setprop_string(fdt, offset, "phy-connection-type", "xgmii");
}
}
void fdt_fixup_board_enet(void *fdt)
{
}
/*
* This function reads RCW to check if Serdes1{A:D} is configured
* to slot 1/2/3/4/5 and update the lane_to_slot[] array accordingly
*/
static void initialize_lane_to_slot(void)
{
ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
u32 srds_s1 = in_be32(&gur->rcwsr[4]) &
FSL_CORENET2_RCWSR4_SRDS1_PRTCL;
srds_s1 >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;
switch (srds_s1) {
case 0x46:
case 0x47:
lane_to_slot[1] = 2;
break;
default:
break;
}
}
int board_eth_init(bd_t *bis)
{
#if defined(CONFIG_FMAN_ENET)
int i, idx, lane, slot, interface;
struct memac_mdio_info dtsec_mdio_info;
struct memac_mdio_info tgec_mdio_info;
ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
u32 srds_s1;
srds_s1 = in_be32(&gur->rcwsr[4]) &
FSL_CORENET2_RCWSR4_SRDS1_PRTCL;
srds_s1 >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;
initialize_lane_to_slot();
/* Initialize the mdio_mux array so we can recognize empty elements */
for (i = 0; i < NUM_FM_PORTS; i++)
mdio_mux[i] = EMI_NONE;
dtsec_mdio_info.regs =
(struct memac_mdio_controller *)CONFIG_SYS_FM1_DTSEC_MDIO_ADDR;
dtsec_mdio_info.name = DEFAULT_FM_MDIO_NAME;
/* Register the 1G MDIO bus */
fm_memac_mdio_init(bis, &dtsec_mdio_info);
tgec_mdio_info.regs =
(struct memac_mdio_controller *)CONFIG_SYS_FM1_TGEC_MDIO_ADDR;
tgec_mdio_info.name = DEFAULT_FM_TGEC_MDIO_NAME;
/* Register the 10G MDIO bus */
fm_memac_mdio_init(bis, &tgec_mdio_info);
/* Register the muxing front-ends to the MDIO buses */
t1024qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_RGMII1);
t1024qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_RGMII2);
t1024qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT1);
t1024qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT2);
t1024qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT3);
t1024qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT4);
t1024qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT5);
t1024qds_mdio_init(DEFAULT_FM_TGEC_MDIO_NAME, EMI2);
/* Set the two on-board RGMII PHY address */
fm_info_set_phy_address(FM1_DTSEC3, RGMII_PHY2_ADDR);
fm_info_set_phy_address(FM1_DTSEC4, RGMII_PHY1_ADDR);
switch (srds_s1) {
case 0xd5:
case 0xd6:
/* QSGMII in Slot2 */
fm_info_set_phy_address(FM1_DTSEC1, 0x8);
fm_info_set_phy_address(FM1_DTSEC2, 0x9);
fm_info_set_phy_address(FM1_DTSEC3, 0xa);
fm_info_set_phy_address(FM1_DTSEC4, 0xb);
break;
case 0x95:
case 0x99:
/*
* XFI does not need a PHY to work, but to avoid U-Boot use
* default PHY address which is zero to a MAC when it found
* a MAC has no PHY address, we give a PHY address to XFI
* MAC, and should not use a real XAUI PHY address, since
* MDIO can access it successfully, and then MDIO thinks the
* XAUI card is used for the XFI MAC, which will cause error.
*/
fm_info_set_phy_address(FM1_10GEC1, 4);
fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT1_PHY_ADDR);
break;
case 0x6f:
/* SGMII in Slot3, Slot4, Slot5 */
fm_info_set_phy_address(FM1_DTSEC1, SGMII_CARD_AQ_PHY_ADDR_S5);
fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_AQ_PHY_ADDR_S4);
fm_info_set_phy_address(FM1_DTSEC3, SGMII_CARD_PORT1_PHY_ADDR);
break;
case 0x7f:
fm_info_set_phy_address(FM1_DTSEC1, SGMII_CARD_AQ_PHY_ADDR_S5);
fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_AQ_PHY_ADDR_S4);
fm_info_set_phy_address(FM1_DTSEC3, SGMII_CARD_AQ_PHY_ADDR_S3);
break;
case 0x47:
fm_info_set_phy_address(FM1_DTSEC1, SGMII_CARD_PORT1_PHY_ADDR);
break;
case 0x77:
fm_info_set_phy_address(FM1_DTSEC1, SGMII_CARD_PORT1_PHY_ADDR);
fm_info_set_phy_address(FM1_DTSEC3, SGMII_CARD_AQ_PHY_ADDR_S3);
break;
case 0x5a:
fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT1_PHY_ADDR);
break;
case 0x6a:
fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT1_PHY_ADDR);
fm_info_set_phy_address(FM1_DTSEC3, SGMII_CARD_PORT1_PHY_ADDR);
break;
case 0x5b:
fm_info_set_phy_address(FM1_DTSEC1, SGMII_CARD_PORT1_PHY_ADDR);
fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT1_PHY_ADDR);
break;
case 0x6b:
fm_info_set_phy_address(FM1_DTSEC1, SGMII_CARD_PORT1_PHY_ADDR);
fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT1_PHY_ADDR);
fm_info_set_phy_address(FM1_DTSEC3, SGMII_CARD_PORT1_PHY_ADDR);
break;
default:
break;
}
for (i = FM1_DTSEC1; i < FM1_DTSEC1 + CONFIG_SYS_NUM_FM1_DTSEC; i++) {
idx = i - FM1_DTSEC1;
interface = fm_info_get_enet_if(i);
switch (interface) {
case PHY_INTERFACE_MODE_SGMII:
case PHY_INTERFACE_MODE_SGMII_2500:
case PHY_INTERFACE_MODE_QSGMII:
if (interface == PHY_INTERFACE_MODE_SGMII) {
lane = serdes_get_first_lane(FSL_SRDS_1,
SGMII_FM1_DTSEC1 + idx);
} else if (interface == PHY_INTERFACE_MODE_SGMII_2500) {
lane = serdes_get_first_lane(FSL_SRDS_1,
SGMII_2500_FM1_DTSEC1 + idx);
} else {
lane = serdes_get_first_lane(FSL_SRDS_1,
QSGMII_FM1_A);
}
if (lane < 0)
break;
slot = lane_to_slot[lane];
debug("FM1@DTSEC%u expects SGMII in slot %u\n",
idx + 1, slot);
if (QIXIS_READ(present2) & (1 << (slot - 1)))
fm_disable_port(i);
switch (slot) {
case 2:
mdio_mux[i] = EMI1_SLOT2;
fm_info_set_mdio(i, mii_dev_for_muxval(
mdio_mux[i]));
break;
case 3:
mdio_mux[i] = EMI1_SLOT3;
fm_info_set_mdio(i, mii_dev_for_muxval(
mdio_mux[i]));
break;
case 4:
mdio_mux[i] = EMI1_SLOT4;
fm_info_set_mdio(i, mii_dev_for_muxval(
mdio_mux[i]));
break;
case 5:
mdio_mux[i] = EMI1_SLOT5;
fm_info_set_mdio(i, mii_dev_for_muxval(
mdio_mux[i]));
break;
}
break;
case PHY_INTERFACE_MODE_RGMII:
if (i == FM1_DTSEC3)
mdio_mux[i] = EMI1_RGMII2;
else if (i == FM1_DTSEC4)
mdio_mux[i] = EMI1_RGMII1;
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++) {
idx = i - FM1_10GEC1;
switch (fm_info_get_enet_if(i)) {
case PHY_INTERFACE_MODE_XGMII:
lane = serdes_get_first_lane(FSL_SRDS_1,
XFI_FM1_MAC1 + idx);
if (lane < 0)
break;
mdio_mux[i] = EMI2;
fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i]));
break;
default:
break;
}
}
cpu_eth_init(bis);
#endif /* CONFIG_FMAN_ENET */
return pci_eth_init(bis);
}
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