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u-boot/board/freescale/t2080qds/eth_t2080qds.c
Shengzhou Liu c4d0e81156 powerpc/t2080qds: add support for t2080qds board 
The T2080QDS is a high-performance computing evaluation, development and
test platform supporting the T2080 QorIQ Power Architecture processor.

T2080QDS feature overview
Processor:
 - T2080 SoC integrating four 64-bit dual-threads e6500 cores up to 1.8GHz
Memory:
 - Single memory controller capable of supporting DDR3 and DDR3-LV devices
 - Two DDR3 DIMMs up to 4GB, Dual rank @ 2133MT/s and ECC support
Ethernet interfaces:
 - Two 1Gbps RGMII on-board ports
 - Four 10Gbps XFI on-board cages
 - 1Gbps/2.5Gbps SGMII Riser card
 - 10Gbps XAUI Riser card
Accelerator:
 - DPAA components consist of FMan, BMan, QMan, PME, DCE and SEC
SerDes:
 - 16 lanes up to 10.3125GHz
 - Supports Aurora debug, PEX, SATA, SGMII, sRIO, HiGig, XFI and XAUI
IFC:
 - 128MB NOR Flash, 512MB NAND Flash, PromJet debug port and FPGA
eSPI:
 - Three SPI flash (16MB N25Q128A + 16MB EN25S64 + 512KB SST25WF040)
USB:
 - Two USB2.0 ports with internal PHY (one Type-A + one micro Type-AB)
PCIE:
 - Four PCI Express controllers (two PCIe 2.0 and two PCIe 3.0 with SR-IOV)
SATA:
 - Two SATA 2.0 ports on-board
SRIO:
 - Two Serial RapidIO 2.0 ports up to 5 GHz
eSDHC:
 - Supports SD/SDHC/SDXC/eMMC Card
I2C:
 - Four I2C controllers.
UART:
 - Dual 4-pins UART serial ports
System Logic:
 - QIXIS-II FPGA system controll
Debug Features:
 - Support Legacy, COP/JTAG, Aurora, Event and EVT

Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com>
[York Sun: removed Makefile blank line at EOF,
           fix conflicts with moving DDR driver]
Acked-by: York Sun <yorksun@freescale.com>
2013-11-25 12:36:11 -08:00

511 lines
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/*
* Copyright 2013 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 <asm/fsl_dtsec.h>
#include <asm/fsl_serdes.h>
#include "../common/qixis.h"
#include "../common/fman.h"
#include "t2080qds_qixis.h"
#define EMI_NONE 0xFFFFFFFF
#define EMI1_RGMII1 0
#define EMI1_RGMII2 1
#define EMI1_SLOT1 2
#define EMI1_SLOT2 6
#define EMI1_SLOT3 3
#define EMI1_SLOT4 4
#define EMI1_SLOT5 5
#define EMI2 7
static int mdio_mux[NUM_FM_PORTS];
static const char * const mdio_names[] = {
"T2080QDS_MDIO_RGMII1",
"T2080QDS_MDIO_RGMII2",
"T2080QDS_MDIO_SLOT1",
"T2080QDS_MDIO_SLOT3",
"T2080QDS_MDIO_SLOT4",
"T2080QDS_MDIO_SLOT5",
"T2080QDS_MDIO_SLOT2",
"T2080QDS_MDIO_10GC",
};
/* Map SerDes1 8 lanes to default slot, will be initialized dynamically */
static u8 lane_to_slot[] = {3, 3, 3, 3, 1, 1, 1, 1};
static const char *T2080qds_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 = T2080qds_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 T2080qds_mdio {
u8 muxval;
struct mii_dev *realbus;
};
static void T2080qds_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 T2080qds_mdio_read(struct mii_dev *bus, int addr, int devad,
int regnum)
{
struct T2080qds_mdio *priv = bus->priv;
T2080qds_mux_mdio(priv->muxval);
return priv->realbus->read(priv->realbus, addr, devad, regnum);
}
static int T2080qds_mdio_write(struct mii_dev *bus, int addr, int devad,
int regnum, u16 value)
{
struct T2080qds_mdio *priv = bus->priv;
T2080qds_mux_mdio(priv->muxval);
return priv->realbus->write(priv->realbus, addr, devad, regnum, value);
}
static int T2080qds_mdio_reset(struct mii_dev *bus)
{
struct T2080qds_mdio *priv = bus->priv;
return priv->realbus->reset(priv->realbus);
}
static int T2080qds_mdio_init(char *realbusname, u8 muxval)
{
struct T2080qds_mdio *pmdio;
struct mii_dev *bus = mdio_alloc();
if (!bus) {
printf("Failed to allocate T2080QDS MDIO bus\n");
return -1;
}
pmdio = malloc(sizeof(*pmdio));
if (!pmdio) {
printf("Failed to allocate T2080QDS private data\n");
free(bus);
return -1;
}
bus->read = T2080qds_mdio_read;
bus->write = T2080qds_mdio_write;
bus->reset = T2080qds_mdio_reset;
sprintf(bus->name, T2080qds_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)
{
int phy;
char alias[20];
struct fixed_link f_link;
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;
if (fm_info_get_enet_if(port) == PHY_INTERFACE_MODE_SGMII) {
phy = fm_info_get_phy_address(port);
switch (port) {
case FM1_DTSEC1:
case FM1_DTSEC2:
case FM1_DTSEC9:
case FM1_DTSEC10:
sprintf(alias, "phy_sgmii_s3_%x", phy);
fdt_set_phy_handle(fdt, compat, addr, alias);
fdt_status_okay_by_alias(fdt, "emi1_slot3");
break;
case FM1_DTSEC5:
case FM1_DTSEC6:
if (mdio_mux[port] == EMI1_SLOT1) {
sprintf(alias, "phy_sgmii_s1_%x", phy);
fdt_set_phy_handle(fdt, compat, addr, alias);
fdt_status_okay_by_alias(fdt, "emi1_slot1");
} else if (mdio_mux[port] == EMI1_SLOT2) {
sprintf(alias, "phy_sgmii_s2_%x", phy);
fdt_set_phy_handle(fdt, compat, addr, alias);
fdt_status_okay_by_alias(fdt, "emi1_slot2");
}
break;
default:
break;
}
} else if (fm_info_get_enet_if(port) == PHY_INTERFACE_MODE_XGMII) {
switch (srds_s1) {
case 0x66: /* XFI interface */
case 0x6b:
case 0x6c:
case 0x6d:
case 0x71:
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));
break;
default:
break;
}
}
}
void fdt_fixup_board_enet(void *fdt)
{
return;
}
/*
* This function reads RCW to check if Serdes1{E,F,G,H} is configured
* as slot 1/2/3 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 0x51:
case 0x5f:
case 0x65:
case 0x6b:
case 0x71:
lane_to_slot[5] = 2;
lane_to_slot[6] = 2;
lane_to_slot[7] = 2;
break;
case 0xa6:
case 0x8e:
case 0x8f:
case 0x82:
case 0x83:
case 0xd3:
case 0xd9:
case 0xcb:
lane_to_slot[6] = 2;
lane_to_slot[7] = 2;
break;
case 0xda:
lane_to_slot[4] = 3;
lane_to_slot[5] = 3;
lane_to_slot[6] = 3;
lane_to_slot[7] = 3;
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 rcwsr13 = in_be32(&gur->rcwsr[13]);
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 */
T2080qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_RGMII1);
T2080qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_RGMII2);
T2080qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT1);
T2080qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT2);
T2080qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT3);
T2080qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT4);
T2080qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT5);
T2080qds_mdio_init(DEFAULT_FM_TGEC_MDIO_NAME, EMI2);
/* Set the two on-board RGMII PHY address */
fm_info_set_phy_address(FM1_DTSEC3, RGMII_PHY1_ADDR);
if ((rcwsr13 & FSL_CORENET_RCWSR13_EC2) ==
FSL_CORENET_RCWSR13_EC2_DTSEC4_RGMII)
fm_info_set_phy_address(FM1_DTSEC4, RGMII_PHY2_ADDR);
else
fm_info_set_phy_address(FM1_DTSEC10, RGMII_PHY2_ADDR);
switch (srds_s1) {
case 0x1c:
case 0x95:
case 0xa2:
case 0x94:
/* SGMII in Slot3 */
fm_info_set_phy_address(FM1_DTSEC9, SGMII_CARD_PORT1_PHY_ADDR);
fm_info_set_phy_address(FM1_DTSEC10, SGMII_CARD_PORT2_PHY_ADDR);
fm_info_set_phy_address(FM1_DTSEC1, SGMII_CARD_PORT3_PHY_ADDR);
fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT4_PHY_ADDR);
/* SGMII in Slot2 */
fm_info_set_phy_address(FM1_DTSEC5, SGMII_CARD_PORT3_PHY_ADDR);
fm_info_set_phy_address(FM1_DTSEC6, SGMII_CARD_PORT4_PHY_ADDR);
break;
case 0x51:
case 0x5f:
case 0x65:
/* XAUI/HiGig in Slot3 */
fm_info_set_phy_address(FM1_10GEC1, FM1_10GEC1_PHY_ADDR);
/* SGMII in Slot2 */
fm_info_set_phy_address(FM1_DTSEC5, SGMII_CARD_PORT3_PHY_ADDR);
fm_info_set_phy_address(FM1_DTSEC6, SGMII_CARD_PORT4_PHY_ADDR);
break;
case 0x66:
/*
* 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_10GEC2, 5);
fm_info_set_phy_address(FM1_10GEC3, 6);
fm_info_set_phy_address(FM1_10GEC4, 7);
break;
case 0x6b:
fm_info_set_phy_address(FM1_10GEC1, 4);
fm_info_set_phy_address(FM1_10GEC2, 5);
fm_info_set_phy_address(FM1_10GEC3, 6);
fm_info_set_phy_address(FM1_10GEC4, 7);
/* SGMII in Slot2 */
fm_info_set_phy_address(FM1_DTSEC5, SGMII_CARD_PORT3_PHY_ADDR);
fm_info_set_phy_address(FM1_DTSEC6, SGMII_CARD_PORT2_PHY_ADDR);
break;
case 0x6c:
case 0x6d:
/* SGMII in Slot3 */
fm_info_set_phy_address(FM1_DTSEC1, SGMII_CARD_PORT3_PHY_ADDR);
fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT2_PHY_ADDR);
break;
case 0x71:
/* SGMII in Slot3 */
fm_info_set_phy_address(FM1_DTSEC1, SGMII_CARD_PORT3_PHY_ADDR);
fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT4_PHY_ADDR);
/* SGMII in Slot2 */
fm_info_set_phy_address(FM1_DTSEC5, SGMII_CARD_PORT3_PHY_ADDR);
fm_info_set_phy_address(FM1_DTSEC6, SGMII_CARD_PORT2_PHY_ADDR);
break;
case 0xa6:
case 0x8e:
case 0x8f:
case 0x82:
case 0x83:
/* SGMII in Slot3 */
fm_info_set_phy_address(FM1_DTSEC9, SGMII_CARD_PORT1_PHY_ADDR);
fm_info_set_phy_address(FM1_DTSEC10, SGMII_CARD_PORT2_PHY_ADDR);
fm_info_set_phy_address(FM1_DTSEC1, SGMII_CARD_PORT3_PHY_ADDR);
fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT4_PHY_ADDR);
/* SGMII in Slot2 */
fm_info_set_phy_address(FM1_DTSEC5, SGMII_CARD_PORT3_PHY_ADDR);
fm_info_set_phy_address(FM1_DTSEC6, SGMII_CARD_PORT2_PHY_ADDR);
break;
case 0xa4:
case 0x96:
case 0x8a:
/* SGMII in Slot3 */
fm_info_set_phy_address(FM1_DTSEC9, SGMII_CARD_PORT1_PHY_ADDR);
fm_info_set_phy_address(FM1_DTSEC10, SGMII_CARD_PORT2_PHY_ADDR);
fm_info_set_phy_address(FM1_DTSEC1, SGMII_CARD_PORT3_PHY_ADDR);
fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT4_PHY_ADDR);
break;
case 0xd9:
case 0xd3:
case 0xcb:
/* SGMII in Slot3 */
fm_info_set_phy_address(FM1_DTSEC10, SGMII_CARD_PORT2_PHY_ADDR);
fm_info_set_phy_address(FM1_DTSEC1, SGMII_CARD_PORT3_PHY_ADDR);
fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT4_PHY_ADDR);
/* SGMII in Slot2 */
fm_info_set_phy_address(FM1_DTSEC5, SGMII_CARD_PORT3_PHY_ADDR);
fm_info_set_phy_address(FM1_DTSEC6, SGMII_CARD_PORT2_PHY_ADDR);
break;
default:
puts("Invalid SerDes1 protocol for T2080QDS\n");
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:
lane = serdes_get_first_lane(FSL_SRDS_1,
SGMII_FM1_DTSEC1 + idx);
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 1:
mdio_mux[i] = EMI1_SLOT1;
fm_info_set_mdio(i, mii_dev_for_muxval(
mdio_mux[i]));
break;
case 2:
mdio_mux[i] = EMI1_SLOT2;
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_RGMII1;
else if (i == FM1_DTSEC4 || FM1_DTSEC10)
mdio_mux[i] = EMI1_RGMII2;
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:
if (srds_s1 == 0x51) {
lane = serdes_get_first_lane(FSL_SRDS_1,
XAUI_FM1_MAC9 + idx);
} else if ((srds_s1 == 0x5f) || (srds_s1 == 0x65)) {
lane = serdes_get_first_lane(FSL_SRDS_1,
HIGIG_FM1_MAC9 + idx);
} else {
if (i == FM1_10GEC1 || i == FM1_10GEC2)
lane = serdes_get_first_lane(FSL_SRDS_1,
XFI_FM1_MAC9 + idx);
else
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]));
if ((srds_s1 == 0x66) || (srds_s1 == 0x6b) ||
(srds_s1 == 0x6c) || (srds_s1 == 0x6d) ||
(srds_s1 == 0x71)) {
/* As XFI is in cage intead of a slot, so
* ensure doesn't disable the corresponding port
*/
break;
}
slot = lane_to_slot[lane];
if (QIXIS_READ(present2) & (1 << (slot - 1)))
fm_disable_port(i);
break;
default:
break;
}
}
cpu_eth_init(bis);
#endif /* CONFIG_FMAN_ENET */
return pci_eth_init(bis);
}
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