blob: b4ef60738ebf379941badb446e50196dea2ee7a7 [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2015-2016 Freescale Semiconductor, Inc.
* Copyright 2017 NXP
*/
#include <common.h>
#include <dm.h>
#include <asm/io.h>
#include <netdev.h>
#include <fm_eth.h>
#include <fsl_mdio.h>
#include <malloc.h>
#include <asm/types.h>
#include <fsl_dtsec.h>
#include <asm/arch/soc.h>
#include <asm/arch-fsl-layerscape/config.h>
#include <asm/arch-fsl-layerscape/immap_lsch2.h>
#include <asm/arch/fsl_serdes.h>
#include <linux/delay.h>
#include "../common/qixis.h"
#include <net/pfe_eth/pfe_eth.h>
#include <dm/platform_data/pfe_dm_eth.h>
#include "ls1012aqds_qixis.h"
#define EMI_NONE 0xFF
#define EMI1_RGMII 1
#define EMI1_SLOT1 2
#define EMI1_SLOT2 3
#define DEFAULT_PFE_MDIO_NAME "PFE_MDIO"
#define DEFAULT_PFE_MDIO1_NAME "PFE_MDIO1"
static const char * const mdio_names[] = {
"NULL",
"LS1012AQDS_MDIO_RGMII",
"LS1012AQDS_MDIO_SLOT1",
"LS1012AQDS_MDIO_SLOT2",
"NULL",
};
static const char *ls1012aqds_mdio_name_for_muxval(u8 muxval)
{
return mdio_names[muxval];
}
struct ls1012aqds_mdio {
u8 muxval;
struct mii_dev *realbus;
};
static void ls1012aqds_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 ls1012aqds_mdio_read(struct mii_dev *bus, int addr, int devad,
int regnum)
{
struct ls1012aqds_mdio *priv = bus->priv;
ls1012aqds_mux_mdio(priv->muxval);
return priv->realbus->read(priv->realbus, addr, devad, regnum);
}
static int ls1012aqds_mdio_write(struct mii_dev *bus, int addr, int devad,
int regnum, u16 value)
{
struct ls1012aqds_mdio *priv = bus->priv;
ls1012aqds_mux_mdio(priv->muxval);
return priv->realbus->write(priv->realbus, addr, devad, regnum, value);
}
static int ls1012aqds_mdio_reset(struct mii_dev *bus)
{
struct ls1012aqds_mdio *priv = bus->priv;
if (priv->realbus->reset)
return priv->realbus->reset(priv->realbus);
else
return -1;
}
static int ls1012aqds_mdio_init(char *realbusname, u8 muxval)
{
struct ls1012aqds_mdio *pmdio;
struct mii_dev *bus = mdio_alloc();
if (!bus) {
printf("Failed to allocate ls1012aqds MDIO bus\n");
return -1;
}
pmdio = malloc(sizeof(*pmdio));
if (!pmdio) {
printf("Failed to allocate ls1012aqds private data\n");
free(bus);
return -1;
}
bus->read = ls1012aqds_mdio_read;
bus->write = ls1012aqds_mdio_write;
bus->reset = ls1012aqds_mdio_reset;
sprintf(bus->name, ls1012aqds_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);
}
int pfe_eth_board_init(struct udevice *dev)
{
static int init_done;
struct mii_dev *bus;
static const char *mdio_name;
struct pfe_mdio_info mac_mdio_info;
struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
u8 data8;
struct pfe_eth_dev *priv = dev_get_priv(dev);
int srds_s1 = in_be32(&gur->rcwsr[4]) &
FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_MASK;
srds_s1 >>= FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_SHIFT;
ls1012aqds_mux_mdio(EMI1_SLOT1);
if (!init_done) {
mac_mdio_info.reg_base = (void *)EMAC1_BASE_ADDR;
mac_mdio_info.name = DEFAULT_PFE_MDIO_NAME;
bus = pfe_mdio_init(&mac_mdio_info);
if (!bus) {
printf("Failed to register mdio\n");
return -1;
}
init_done = 1;
}
if (priv->gemac_port) {
mac_mdio_info.reg_base = (void *)EMAC2_BASE_ADDR;
mac_mdio_info.name = DEFAULT_PFE_MDIO1_NAME;
bus = pfe_mdio_init(&mac_mdio_info);
if (!bus) {
printf("Failed to register mdio\n");
return -1;
}
}
switch (srds_s1) {
case 0x3508:
printf("ls1012aqds:supported SerDes PRCTL= %d\n", srds_s1);
#ifdef CONFIG_PFE_RGMII_RESET_WA
/*
* Work around for FPGA registers initialization
* This is needed for RGMII to work.
*/
printf("Reset RGMII WA....\n");
data8 = QIXIS_READ(rst_frc[0]);
data8 |= 0x2;
QIXIS_WRITE(rst_frc[0], data8);
data8 = QIXIS_READ(rst_frc[0]);
data8 = QIXIS_READ(res8[6]);
data8 |= 0xff;
QIXIS_WRITE(res8[6], data8);
data8 = QIXIS_READ(res8[6]);
#endif
if (priv->gemac_port) {
mdio_name = ls1012aqds_mdio_name_for_muxval(EMI1_RGMII);
if (ls1012aqds_mdio_init(DEFAULT_PFE_MDIO_NAME, EMI1_RGMII)
< 0) {
printf("Failed to register mdio for %s\n", mdio_name);
}
/* MAC2 */
mdio_name = ls1012aqds_mdio_name_for_muxval(EMI1_RGMII);
bus = miiphy_get_dev_by_name(mdio_name);
pfe_set_mdio(priv->gemac_port, bus);
pfe_set_phy_address_mode(priv->gemac_port,
CONFIG_PFE_EMAC2_PHY_ADDR,
PHY_INTERFACE_MODE_RGMII);
} else {
mdio_name = ls1012aqds_mdio_name_for_muxval(EMI1_SLOT1);
if (ls1012aqds_mdio_init(DEFAULT_PFE_MDIO_NAME, EMI1_SLOT1)
< 0) {
printf("Failed to register mdio for %s\n", mdio_name);
}
/* MAC1 */
mdio_name = ls1012aqds_mdio_name_for_muxval(EMI1_SLOT1);
bus = miiphy_get_dev_by_name(mdio_name);
pfe_set_mdio(priv->gemac_port, bus);
pfe_set_phy_address_mode(priv->gemac_port,
CONFIG_PFE_EMAC1_PHY_ADDR,
PHY_INTERFACE_MODE_SGMII);
}
break;
case 0x2205:
printf("ls1012aqds:supported SerDes PRCTL= %d\n", srds_s1);
/*
* Work around for FPGA registers initialization
* This is needed for RGMII to work.
*/
printf("Reset SLOT1 SLOT2....\n");
data8 = QIXIS_READ(rst_frc[2]);
data8 |= 0xc0;
QIXIS_WRITE(rst_frc[2], data8);
mdelay(100);
data8 = QIXIS_READ(rst_frc[2]);
data8 &= 0x3f;
QIXIS_WRITE(rst_frc[2], data8);
if (priv->gemac_port) {
mdio_name = ls1012aqds_mdio_name_for_muxval(EMI1_SLOT2);
if (ls1012aqds_mdio_init(DEFAULT_PFE_MDIO_NAME, EMI1_SLOT2)
< 0) {
printf("Failed to register mdio for %s\n", mdio_name);
}
/* MAC2 */
mdio_name = ls1012aqds_mdio_name_for_muxval(EMI1_SLOT2);
bus = miiphy_get_dev_by_name(mdio_name);
pfe_set_mdio(1, bus);
pfe_set_phy_address_mode(1, CONFIG_PFE_SGMII_2500_PHY2_ADDR,
PHY_INTERFACE_MODE_SGMII_2500);
data8 = QIXIS_READ(brdcfg[12]);
data8 |= 0x20;
QIXIS_WRITE(brdcfg[12], data8);
} else {
mdio_name = ls1012aqds_mdio_name_for_muxval(EMI1_SLOT1);
if (ls1012aqds_mdio_init(DEFAULT_PFE_MDIO_NAME, EMI1_SLOT1)
< 0) {
printf("Failed to register mdio for %s\n", mdio_name);
}
/* MAC1 */
mdio_name = ls1012aqds_mdio_name_for_muxval(EMI1_SLOT1);
bus = miiphy_get_dev_by_name(mdio_name);
pfe_set_mdio(0, bus);
pfe_set_phy_address_mode(0,
CONFIG_PFE_SGMII_2500_PHY1_ADDR,
PHY_INTERFACE_MODE_SGMII_2500);
}
break;
default:
printf("ls1012aqds:unsupported SerDes PRCTL= %d\n", srds_s1);
break;
}
return 0;
}
static struct pfe_eth_pdata pfe_pdata0 = {
.pfe_eth_pdata_mac = {
.iobase = (phys_addr_t)EMAC1_BASE_ADDR,
.phy_interface = 0,
},
.pfe_ddr_addr = {
.ddr_pfe_baseaddr = (void *)CONFIG_DDR_PFE_BASEADDR,
.ddr_pfe_phys_baseaddr = CONFIG_DDR_PFE_PHYS_BASEADDR,
},
};
static struct pfe_eth_pdata pfe_pdata1 = {
.pfe_eth_pdata_mac = {
.iobase = (phys_addr_t)EMAC2_BASE_ADDR,
.phy_interface = 1,
},
.pfe_ddr_addr = {
.ddr_pfe_baseaddr = (void *)CONFIG_DDR_PFE_BASEADDR,
.ddr_pfe_phys_baseaddr = CONFIG_DDR_PFE_PHYS_BASEADDR,
},
};
U_BOOT_DEVICE(ls1012a_pfe0) = {
.name = "pfe_eth",
.platdata = &pfe_pdata0,
};
U_BOOT_DEVICE(ls1012a_pfe1) = {
.name = "pfe_eth",
.platdata = &pfe_pdata1,
};