Updates and fixes for ls1028a, lx2160a, ls1012a, ls1021a, ls2080a,
ls1088a platforms:
- lx2-rev2 pcie support, enetc related updates, layerscape-pcie fixes
This commit is contained in:
Tom Rini
2020-01-25 12:20:51 -05:00
48 changed files with 481 additions and 133 deletions

View File

@@ -14,6 +14,69 @@
#include "fsl_enetc.h"
#define ENETC_DRIVER_NAME "enetc_eth"
/*
* sets the MAC address in IERB registers, this setting is persistent and
* carried over to Linux.
*/
static void enetc_set_ierb_primary_mac(struct udevice *dev, int devfn,
const u8 *enetaddr)
{
#ifdef CONFIG_ARCH_LS1028A
/*
* LS1028A is the only part with IERB at this time and there are plans to change
* its structure, keep this LS1028A specific for now
*/
#define IERB_BASE 0x1f0800000ULL
#define IERB_PFMAC(pf, vf, n) (IERB_BASE + 0x8000 + (pf) * 0x100 + (vf) * 8 \
+ (n) * 4)
static int ierb_fn_to_pf[] = {0, 1, 2, -1, -1, -1, 3};
u16 lower = *(const u16 *)(enetaddr + 4);
u32 upper = *(const u32 *)enetaddr;
if (ierb_fn_to_pf[devfn] < 0)
return;
out_le32(IERB_PFMAC(ierb_fn_to_pf[devfn], 0, 0), upper);
out_le32(IERB_PFMAC(ierb_fn_to_pf[devfn], 0, 1), (u32)lower);
#endif
}
/* sets up primary MAC addresses in DT/IERB */
void fdt_fixup_enetc_mac(void *blob)
{
struct pci_child_platdata *ppdata;
struct eth_pdata *pdata;
struct udevice *dev;
struct uclass *uc;
char path[256];
int offset;
int devfn;
uclass_get(UCLASS_ETH, &uc);
uclass_foreach_dev(dev, uc) {
if (!dev->driver || !dev->driver->name ||
strcmp(dev->driver->name, ENETC_DRIVER_NAME))
continue;
pdata = dev_get_platdata(dev);
ppdata = dev_get_parent_platdata(dev);
devfn = PCI_FUNC(ppdata->devfn);
enetc_set_ierb_primary_mac(dev, devfn, pdata->enetaddr);
snprintf(path, 256, "/soc/pcie@1f0000000/ethernet@%x,%x",
PCI_DEV(ppdata->devfn), PCI_FUNC(ppdata->devfn));
offset = fdt_path_offset(blob, path);
if (offset < 0)
continue;
fdt_setprop(blob, offset, "mac-address", pdata->enetaddr, 6);
}
}
/*
* Bind the device:
* - set a more explicit name on the interface
@@ -122,16 +185,34 @@ static int enetc_init_rgmii(struct udevice *dev)
return 0;
}
/* set up MAC and serdes for SXGMII */
static int enetc_init_sxgmii(struct udevice *dev)
/* set up MAC configuration for the given interface type */
static void enetc_setup_mac_iface(struct udevice *dev)
{
struct enetc_priv *priv = dev_get_priv(dev);
u32 if_mode;
/* set ifmode to (US)XGMII */
if_mode = enetc_read_port(priv, ENETC_PM_IF_MODE);
if_mode &= ~ENETC_PM_IF_IFMODE_MASK;
enetc_write_port(priv, ENETC_PM_IF_MODE, if_mode);
switch (priv->if_type) {
case PHY_INTERFACE_MODE_RGMII:
case PHY_INTERFACE_MODE_RGMII_ID:
case PHY_INTERFACE_MODE_RGMII_RXID:
case PHY_INTERFACE_MODE_RGMII_TXID:
enetc_init_rgmii(dev);
break;
case PHY_INTERFACE_MODE_XGMII:
case PHY_INTERFACE_MODE_USXGMII:
case PHY_INTERFACE_MODE_XFI:
/* set ifmode to (US)XGMII */
if_mode = enetc_read_port(priv, ENETC_PM_IF_MODE);
if_mode &= ~ENETC_PM_IF_IFMODE_MASK;
enetc_write_port(priv, ENETC_PM_IF_MODE, if_mode);
break;
};
}
/* set up serdes for SXGMII */
static int enetc_init_sxgmii(struct udevice *dev)
{
struct enetc_priv *priv = dev_get_priv(dev);
if (!enetc_has_imdio(dev))
return 0;
@@ -267,14 +348,57 @@ static int enetc_remove(struct udevice *dev)
return 0;
}
/* ENETC Port MAC address registers, accepts big-endian format */
static void enetc_set_primary_mac_addr(struct enetc_priv *priv, const u8 *addr)
/*
* LS1028A is the only part with IERB at this time and there are plans to
* change its structure, keep this LS1028A specific for now.
*/
#define LS1028A_IERB_BASE 0x1f0800000ULL
#define LS1028A_IERB_PSIPMAR0(pf, vf) (LS1028A_IERB_BASE + 0x8000 \
+ (pf) * 0x100 + (vf) * 8)
#define LS1028A_IERB_PSIPMAR1(pf, vf) (LS1028A_IERB_PSIPMAR0(pf, vf) + 4)
static int enetc_ls1028a_write_hwaddr(struct udevice *dev)
{
struct pci_child_platdata *ppdata = dev_get_parent_platdata(dev);
const int devfn_to_pf[] = {0, 1, 2, -1, -1, -1, 3};
struct eth_pdata *plat = dev_get_platdata(dev);
int devfn = PCI_FUNC(ppdata->devfn);
u8 *addr = plat->enetaddr;
u32 lower, upper;
int pf;
if (devfn >= ARRAY_SIZE(devfn_to_pf))
return 0;
pf = devfn_to_pf[devfn];
if (pf < 0)
return 0;
lower = *(const u16 *)(addr + 4);
upper = *(const u32 *)addr;
out_le32(LS1028A_IERB_PSIPMAR0(pf, 0), upper);
out_le32(LS1028A_IERB_PSIPMAR1(pf, 0), lower);
return 0;
}
static int enetc_write_hwaddr(struct udevice *dev)
{
struct eth_pdata *plat = dev_get_platdata(dev);
struct enetc_priv *priv = dev_get_priv(dev);
u8 *addr = plat->enetaddr;
if (IS_ENABLED(CONFIG_ARCH_LS1028A))
return enetc_ls1028a_write_hwaddr(dev);
u16 lower = *(const u16 *)(addr + 4);
u32 upper = *(const u32 *)addr;
enetc_write_port(priv, ENETC_PSIPMAR0, upper);
enetc_write_port(priv, ENETC_PSIPMAR1, lower);
return 0;
}
/* Configure port parameters (# of rings, frame size, enable port) */
@@ -405,7 +529,6 @@ static void enetc_setup_rx_bdr(struct udevice *dev)
*/
static int enetc_start(struct udevice *dev)
{
struct eth_pdata *plat = dev_get_platdata(dev);
struct enetc_priv *priv = dev_get_priv(dev);
/* reset and enable the PCI device */
@@ -413,23 +536,13 @@ static int enetc_start(struct udevice *dev)
dm_pci_clrset_config16(dev, PCI_COMMAND, 0,
PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER);
if (!is_valid_ethaddr(plat->enetaddr)) {
enetc_dbg(dev, "invalid MAC address, generate random ...\n");
net_random_ethaddr(plat->enetaddr);
}
enetc_set_primary_mac_addr(priv, plat->enetaddr);
enetc_enable_si_port(priv);
/* setup Tx/Rx buffer descriptors */
enetc_setup_tx_bdr(dev);
enetc_setup_rx_bdr(dev);
if (priv->if_type == PHY_INTERFACE_MODE_RGMII ||
priv->if_type == PHY_INTERFACE_MODE_RGMII_ID ||
priv->if_type == PHY_INTERFACE_MODE_RGMII_RXID ||
priv->if_type == PHY_INTERFACE_MODE_RGMII_TXID)
enetc_init_rgmii(dev);
enetc_setup_mac_iface(dev);
if (priv->phy)
phy_startup(priv->phy);
@@ -548,10 +661,11 @@ static const struct eth_ops enetc_ops = {
.send = enetc_send,
.recv = enetc_recv,
.stop = enetc_stop,
.write_hwaddr = enetc_write_hwaddr,
};
U_BOOT_DRIVER(eth_enetc) = {
.name = "enetc_eth",
.name = ENETC_DRIVER_NAME,
.id = UCLASS_ETH,
.bind = enetc_bind,
.probe = enetc_probe,

View File

@@ -227,4 +227,7 @@ int enetc_mdio_read_priv(struct enetc_mdio_priv *priv, int addr, int devad,
int enetc_mdio_write_priv(struct enetc_mdio_priv *priv, int addr, int devad,
int reg, u16 val);
/* sets up primary MAC addresses in DT/IERB */
void fdt_fixup_enetc_mac(void *blob);
#endif /* _ENETC_H */

View File

@@ -34,9 +34,10 @@ obj-$(CONFIG_PCI_AARDVARK) += pci-aardvark.o
obj-$(CONFIG_PCIE_DW_MVEBU) += pcie_dw_mvebu.o
obj-$(CONFIG_PCIE_FSL) += pcie_fsl.o pcie_fsl_fixup.o
obj-$(CONFIG_PCIE_LAYERSCAPE) += pcie_layerscape.o
obj-$(CONFIG_PCIE_LAYERSCAPE) += pcie_layerscape_fixup.o
obj-$(CONFIG_PCIE_LAYERSCAPE) += pcie_layerscape_fixup.o pcie_layerscape_fixup_common.o
obj-$(CONFIG_PCIE_LAYERSCAPE_GEN4) += pcie_layerscape_gen4.o \
pcie_layerscape_gen4_fixup.o pcie_layerscape.o
pcie_layerscape_gen4_fixup.o \
pcie_layerscape_fixup_common.o
obj-$(CONFIG_PCI_XILINX) += pcie_xilinx.o
obj-$(CONFIG_PCI_PHYTIUM) += pcie_phytium.o
obj-$(CONFIG_PCIE_INTEL_FPGA) += pcie_intel_fpga.o

View File

@@ -312,20 +312,9 @@ static void ls_pcie_drop_msg_tlp(struct ls_pcie *pcie)
/* Disable all bars in RC mode */
static void ls_pcie_disable_bars(struct ls_pcie *pcie)
{
u32 sriov;
sriov = in_le32(pcie->dbi + PCIE_SRIOV);
/*
* TODO: For PCIe controller with SRIOV, the method to disable bars
* is different and more complex, so will add later.
*/
if (PCI_EXT_CAP_ID(sriov) == PCI_EXT_CAP_ID_SRIOV)
return;
dbi_writel(pcie, 0, PCIE_CS2_OFFSET + PCI_BASE_ADDRESS_0);
dbi_writel(pcie, 0, PCIE_CS2_OFFSET + PCI_BASE_ADDRESS_1);
dbi_writel(pcie, 0, PCIE_CS2_OFFSET + PCI_ROM_ADDRESS1);
dbi_writel(pcie, 0xfffffffe, PCIE_CS2_OFFSET + PCI_ROM_ADDRESS1);
}
static void ls_pcie_setup_ctrl(struct ls_pcie *pcie)

View File

@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2017-2019 NXP
* Copyright 2017-2020 NXP
* Copyright 2014-2015 Freescale Semiconductor, Inc.
* Layerscape PCIe driver
*/
@@ -17,6 +17,7 @@
#include <asm/arch/clock.h>
#endif
#include "pcie_layerscape.h"
#include "pcie_layerscape_fixup_common.h"
#if defined(CONFIG_FSL_LSCH3) || defined(CONFIG_FSL_LSCH2)
/*
@@ -30,17 +31,6 @@ static int ls_pcie_next_lut_index(struct ls_pcie *pcie)
return -ENOSPC; /* LUT is full */
}
/* returns the next available streamid for pcie, -errno if failed */
static int ls_pcie_next_streamid(void)
{
static int next_stream_id = FSL_PEX_STREAM_ID_START;
if (next_stream_id > FSL_PEX_STREAM_ID_END)
return -EINVAL;
return next_stream_id++;
}
static void lut_writel(struct ls_pcie *pcie, unsigned int value,
unsigned int offset)
{
@@ -191,10 +181,12 @@ static void fdt_fixup_pcie_ls(void *blob)
bus = bus->parent;
pcie = dev_get_priv(bus);
streamid = ls_pcie_next_streamid();
streamid = pcie_next_streamid(pcie->stream_id_cur, pcie->idx);
if (streamid < 0) {
debug("ERROR: no stream ids free\n");
continue;
} else {
pcie->stream_id_cur++;
}
index = ls_pcie_next_lut_index(pcie);
@@ -215,6 +207,7 @@ static void fdt_fixup_pcie_ls(void *blob)
fdt_pcie_set_iommu_map_entry_ls(blob, pcie, bdf >> 8,
streamid);
}
pcie_board_fix_fdt(blob);
}
#endif
@@ -271,7 +264,7 @@ static void ft_pcie_ls_setup(void *blob, struct ls_pcie *pcie)
}
/* Fixup Kernel DT for PCIe */
void ft_pci_setup(void *blob, bd_t *bd)
void ft_pci_setup_ls(void *blob, bd_t *bd)
{
struct ls_pcie *pcie;
@@ -284,7 +277,7 @@ void ft_pci_setup(void *blob, bd_t *bd)
}
#else /* !CONFIG_OF_BOARD_SETUP */
void ft_pci_setup(void *blob, bd_t *bd)
void ft_pci_setup_ls(void *blob, bd_t *bd)
{
}
#endif

View File

@@ -0,0 +1,124 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2019-2020 NXP
*
* PCIe DT fixup for NXP Layerscape SoCs
* Author: Wasim Khan <wasim.khan@nxp.com>
*
*/
#include <common.h>
#include <asm/arch/clock.h>
#include <asm/arch/soc.h>
#include "pcie_layerscape_fixup_common.h"
void ft_pci_setup(void *blob, bd_t *bd)
{
#if defined(CONFIG_PCIE_LAYERSCAPE_GEN4)
uint svr;
svr = SVR_SOC_VER(get_svr());
if (svr == SVR_LX2160A && IS_SVR_REV(get_svr(), 1, 0))
ft_pci_setup_ls_gen4(blob, bd);
else
#endif /* CONFIG_PCIE_LAYERSCAPE_GEN4 */
ft_pci_setup_ls(blob, bd);
}
#if defined(CONFIG_FSL_LAYERSCAPE)
int lx2_board_fix_fdt(void *fdt)
{
char *reg_name, *old_str, *new_str;
const char *reg_names;
int names_len, old_str_len, new_str_len, remaining_str_len;
struct str_map {
char *old_str;
char *new_str;
} reg_names_map[] = {
{ "csr_axi_slave", "regs" },
{ "config_axi_slave", "config" }
};
int off = -1, i;
off = fdt_node_offset_by_compatible(fdt, -1, "fsl,lx2160a-pcie");
while (off != -FDT_ERR_NOTFOUND) {
fdt_setprop(fdt, off, "compatible", "fsl,ls2088a-pcie",
strlen("fsl,ls2088a-pcie") + 1);
reg_names = fdt_getprop(fdt, off, "reg-names", &names_len);
if (!reg_names)
continue;
reg_name = (char *)reg_names;
remaining_str_len = names_len - (reg_name - reg_names);
i = 0;
while ((i < ARRAY_SIZE(reg_names_map)) && remaining_str_len) {
old_str = reg_names_map[i].old_str;
new_str = reg_names_map[i].new_str;
old_str_len = strlen(old_str);
new_str_len = strlen(new_str);
if (memcmp(reg_name, old_str, old_str_len) == 0) {
/* first only leave required bytes for new_str
* and copy rest of the string after it
*/
memcpy(reg_name + new_str_len,
reg_name + old_str_len,
remaining_str_len - old_str_len);
/* Now copy new_str */
memcpy(reg_name, new_str, new_str_len);
names_len -= old_str_len;
names_len += new_str_len;
i++;
}
reg_name = memchr(reg_name, '\0', remaining_str_len);
if (!reg_name)
break;
reg_name += 1;
remaining_str_len = names_len - (reg_name - reg_names);
}
fdt_setprop(fdt, off, "reg-names", reg_names, names_len);
fdt_delprop(fdt, off, "apio-wins");
fdt_delprop(fdt, off, "ppio-wins");
off = fdt_node_offset_by_compatible(fdt, off,
"fsl,lx2160a-pcie");
}
return 0;
}
int pcie_board_fix_fdt(void *fdt)
{
uint svr;
svr = SVR_SOC_VER(get_svr());
if (svr == SVR_LX2160A && IS_SVR_REV(get_svr(), 2, 0))
return lx2_board_fix_fdt(fdt);
return 0;
}
#ifdef CONFIG_ARCH_LX2160A
/* returns the next available streamid for pcie, -errno if failed */
int pcie_next_streamid(int currentid, int idx)
{
if (currentid > FSL_PEX_STREAM_ID_END)
return -EINVAL;
return currentid | ((idx + 1) << 11);
}
#else
/* returns the next available streamid for pcie, -errno if failed */
int pcie_next_streamid(int currentid, int idx)
{
static int next_stream_id = FSL_PEX_STREAM_ID_START;
if (next_stream_id > FSL_PEX_STREAM_ID_END)
return -EINVAL;
return next_stream_id++;
}
#endif
#endif /* CONFIG_FSL_LAYERSCAPE */

View File

@@ -0,0 +1,22 @@
/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright 2019-2020 NXP
*
* PCIe DT fixup for NXP Layerscape SoCs
* Author: Wasim Khan <wasim.khan@nxp.com>
*
*/
#ifndef _PCIE_LAYERSCAPE_FIXUP_COMMON_H_
#define _PCIE_LAYERSCAPE_FIXUP_COMMON_H_
#include <common.h>
void ft_pci_setup_ls(void *blob, bd_t *bd);
#ifdef CONFIG_PCIE_LAYERSCAPE_GEN4
void ft_pci_setup_ls_gen4(void *blob, bd_t *bd);
#endif /* CONFIG_PCIE_LAYERSCAPE_GEN4 */
int pcie_next_streamid(int currentid, int id);
int pcie_board_fix_fdt(void *fdt);
#endif //_PCIE_LAYERSCAPE_FIXUP_COMMON_H_

View File

@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0+ OR X11
/*
* Copyright 2018-2019 NXP
* Copyright 2018-2020 NXP
*
* PCIe Gen4 driver for NXP Layerscape SoCs
* Author: Hou Zhiqiang <Minder.Hou@gmail.com>
@@ -19,6 +19,7 @@
#include <asm/arch/clock.h>
#endif
#include "pcie_layerscape_gen4.h"
#include "pcie_layerscape_fixup_common.h"
#if defined(CONFIG_FSL_LSCH3) || defined(CONFIG_FSL_LSCH2)
/*
@@ -32,19 +33,6 @@ static int ls_pcie_g4_next_lut_index(struct ls_pcie_g4 *pcie)
return -ENOSPC; /* LUT is full */
}
/* returns the next available streamid for pcie, -errno if failed */
static int ls_pcie_g4_next_streamid(struct ls_pcie_g4 *pcie)
{
int stream_id = pcie->stream_id_cur;
if (stream_id > FSL_PEX_STREAM_ID_END)
return -EINVAL;
pcie->stream_id_cur++;
return stream_id | ((pcie->idx + 1) << 11);
}
/*
* Program a single LUT entry
*/
@@ -161,10 +149,12 @@ static void fdt_fixup_pcie_ls_gen4(void *blob)
bus = bus->parent;
pcie = dev_get_priv(bus);
streamid = ls_pcie_g4_next_streamid(pcie);
streamid = pcie_next_streamid(pcie->stream_id_cur, pcie->idx);
if (streamid < 0) {
debug("ERROR: no stream ids free\n");
continue;
} else {
pcie->stream_id_cur++;
}
index = ls_pcie_g4_next_lut_index(pcie);
@@ -234,7 +224,7 @@ static void ft_pcie_layerscape_gen4_setup(void *blob, struct ls_pcie_g4 *pcie)
}
/* Fixup Kernel DT for PCIe */
void ft_pci_setup(void *blob, bd_t *bd)
void ft_pci_setup_ls_gen4(void *blob, bd_t *bd)
{
struct ls_pcie_g4 *pcie;
@@ -247,7 +237,7 @@ void ft_pci_setup(void *blob, bd_t *bd)
}
#else /* !CONFIG_OF_BOARD_SETUP */
void ft_pci_setup(void *blob, bd_t *bd)
void ft_pci_setup_ls_gen4(void *blob, bd_t *bd)
{
}
#endif