[PATCH v7 2/4] starfive: pci: Add StarFive JH7110 pcie driver
Minda Chen
minda.chen at starfivetech.com
Thu Jul 20 13:23:31 CEST 2023
From: Mason Huo <mason.huo at starfivetech.com>
Add pcie driver for StarFive JH7110, Also add PLDA
PCIe controller common driver functions.
Several devices are tested:
a) M.2 NVMe SSD
b) Realtek 8169 Ethernet adapter.
Signed-off-by: Mason Huo <mason.huo at starfivetech.com>
Signed-off-by: Minda Chen <minda.chen at starfivetech.com>
Acked-by: Pali Rohár <pali at kernel.org>
---
drivers/pci/Kconfig | 13 ++
drivers/pci/Makefile | 2 +
drivers/pci/pcie_plda_common.c | 116 +++++++++++
drivers/pci/pcie_plda_common.h | 118 +++++++++++
drivers/pci/pcie_starfive_jh7110.c | 317 +++++++++++++++++++++++++++++
5 files changed, 566 insertions(+)
create mode 100644 drivers/pci/pcie_plda_common.c
create mode 100644 drivers/pci/pcie_plda_common.h
create mode 100644 drivers/pci/pcie_starfive_jh7110.c
diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
index 84a2ae951f..fa21d60ce9 100644
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -387,4 +387,17 @@ config PCIE_XILINX_NWL
Say 'Y' here if you want support for Xilinx / AMD NWL PCIe
controller as Root Port.
+config PCIE_PLDA_COMMON
+ bool
+
+config PCIE_STARFIVE_JH7110
+ bool "Enable Starfive JH7110 PCIe driver"
+ select PCIE_PLDA_COMMON
+ imply STARFIVE_JH7110
+ imply CLK_JH7110
+ imply RESET_JH7110
+ help
+ Say Y here if you want to enable PLDA XpressRich PCIe controller
+ support on StarFive JH7110 SoC.
+
endif
diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile
index 11f60c6991..a712a317a3 100644
--- a/drivers/pci/Makefile
+++ b/drivers/pci/Makefile
@@ -50,3 +50,5 @@ obj-$(CONFIG_PCIE_OCTEON) += pcie_octeon.o
obj-$(CONFIG_PCIE_DW_SIFIVE) += pcie_dw_sifive.o
obj-$(CONFIG_PCIE_UNIPHIER) += pcie_uniphier.o
obj-$(CONFIG_PCIE_XILINX_NWL) += pcie-xilinx-nwl.o
+obj-$(CONFIG_PCIE_PLDA_COMMON) += pcie_plda_common.o
+obj-$(CONFIG_PCIE_STARFIVE_JH7110) += pcie_starfive_jh7110.o
diff --git a/drivers/pci/pcie_plda_common.c b/drivers/pci/pcie_plda_common.c
new file mode 100644
index 0000000000..005b92616a
--- /dev/null
+++ b/drivers/pci/pcie_plda_common.c
@@ -0,0 +1,116 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * PLDA XpressRich PCIe host controller common functions.
+ *
+ * Copyright (C) 2023 StarFive Technology Co., Ltd.
+ *
+ */
+
+#include <common.h>
+#include <clk.h>
+#include <dm.h>
+#include <pci.h>
+#include <pci_ids.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+#include <dm/device_compat.h>
+#include <linux/delay.h>
+#include <linux/iopoll.h>
+#include "pcie_plda_common.h"
+
+static bool plda_pcie_addr_valid(struct pcie_plda *plda, pci_dev_t bdf)
+{
+ /*
+ * Single device limitation.
+ * PCIe controller contain HW issue that secondary bus of
+ * host bridge emumerate duplicate devices.
+ * Only can access device 0 in secondary bus.
+ */
+ if (PCI_BUS(bdf) == plda->sec_busno && PCI_DEV(bdf) > 0)
+ return false;
+
+ return true;
+}
+
+static int plda_pcie_conf_address(const struct udevice *udev, pci_dev_t bdf,
+ uint offset, void **paddr)
+{
+ struct pcie_plda *priv = dev_get_priv(udev);
+ int where = PCIE_ECAM_OFFSET(PCI_BUS(bdf), PCI_DEV(bdf),
+ PCI_FUNC(bdf), offset);
+
+ if (!plda_pcie_addr_valid(priv, bdf))
+ return -ENODEV;
+
+ *paddr = (void *)(priv->cfg_base + where);
+ return 0;
+}
+
+int plda_pcie_config_read(const struct udevice *udev, pci_dev_t bdf,
+ uint offset, ulong *valuep,
+ enum pci_size_t size)
+{
+ return pci_generic_mmap_read_config(udev, plda_pcie_conf_address,
+ bdf, offset, valuep, size);
+}
+
+int plda_pcie_config_write(struct udevice *udev, pci_dev_t bdf,
+ uint offset, ulong value,
+ enum pci_size_t size)
+{
+ struct pcie_plda *priv = dev_get_priv(udev);
+ int ret;
+
+ ret = pci_generic_mmap_write_config(udev, plda_pcie_conf_address,
+ bdf, offset, value, size);
+
+ /* record secondary bus number */
+ if (!ret && PCI_BUS(bdf) == dev_seq(udev) &&
+ PCI_DEV(bdf) == 0 && PCI_FUNC(bdf) == 0 &&
+ (offset == PCI_SECONDARY_BUS ||
+ (offset == PCI_PRIMARY_BUS && size != PCI_SIZE_8))) {
+ priv->sec_busno =
+ ((offset == PCI_PRIMARY_BUS) ? (value >> 8) : value) & 0xff;
+ debug("Secondary bus number was changed to %d\n",
+ priv->sec_busno);
+ }
+ return ret;
+}
+
+int plda_pcie_set_atr_entry(struct pcie_plda *plda, phys_addr_t src_addr,
+ phys_addr_t trsl_addr, phys_size_t window_size,
+ int trsl_param)
+{
+ void __iomem *base =
+ plda->reg_base + XR3PCI_ATR_AXI4_SLV0;
+
+ /* Support AXI4 Slave 0 Address Translation Tables 0-7. */
+ if (plda->atr_table_num >= XR3PCI_ATR_MAX_TABLE_NUM) {
+ dev_err(plda->dev, "ATR table number %d exceeds max num\n",
+ plda->atr_table_num);
+ return -EINVAL;
+ }
+ base += XR3PCI_ATR_TABLE_OFFSET * plda->atr_table_num;
+ plda->atr_table_num++;
+
+ /*
+ * X3PCI_ATR_SRC_ADDR_LOW:
+ * - bit 0: enable entry,
+ * - bits 1-6: ATR window size: total size in bytes: 2^(ATR_WSIZE + 1)
+ * - bits 7-11: reserved
+ * - bits 12-31: start of source address
+ */
+ writel((lower_32_bits(src_addr) & XR3PCI_ATR_SRC_ADDR_MASK) |
+ (fls(window_size) - 1) << XR3PCI_ATR_SRC_WIN_SIZE_SHIFT | 1,
+ base + XR3PCI_ATR_SRC_ADDR_LOW);
+ writel(upper_32_bits(src_addr), base + XR3PCI_ATR_SRC_ADDR_HIGH);
+ writel((lower_32_bits(trsl_addr) & XR3PCI_ATR_TRSL_ADDR_MASK),
+ base + XR3PCI_ATR_TRSL_ADDR_LOW);
+ writel(upper_32_bits(trsl_addr), base + XR3PCI_ATR_TRSL_ADDR_HIGH);
+ writel(trsl_param, base + XR3PCI_ATR_TRSL_PARAM);
+
+ dev_dbg(plda->dev, "ATR entry: 0x%010llx %s 0x%010llx [0x%010llx] (param: 0x%06x)\n",
+ src_addr, (trsl_param & XR3PCI_ATR_TRSL_DIR) ? "<-" : "->",
+ trsl_addr, (u64)window_size, trsl_param);
+ return 0;
+}
diff --git a/drivers/pci/pcie_plda_common.h b/drivers/pci/pcie_plda_common.h
new file mode 100644
index 0000000000..409949f534
--- /dev/null
+++ b/drivers/pci/pcie_plda_common.h
@@ -0,0 +1,118 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2023 StarFive Technology Co., Ltd.
+ * Author: Minda Chen <minda.chen at starfivetech.com>
+ *
+ */
+
+#ifndef PCIE_PLDA_COMMON_H
+#define PCIE_PLDA_COMMON_H
+
+#define GEN_SETTINGS 0x80
+#define PCIE_PCI_IDS 0x9C
+#define PCIE_WINROM 0xFC
+#define PMSG_SUPPORT_RX 0x3F0
+#define PCI_MISC 0xB4
+
+#define PLDA_EP_ENABLE 0
+#define PLDA_RP_ENABLE 1
+
+#define IDS_CLASS_CODE_SHIFT 8
+
+#define PREF_MEM_WIN_64_SUPPORT BIT(3)
+#define PMSG_LTR_SUPPORT BIT(2)
+#define PLDA_FUNCTION_DIS BIT(15)
+#define PLDA_FUNC_NUM 4
+#define PLDA_PHY_FUNC_SHIFT 9
+
+#define XR3PCI_ATR_AXI4_SLV0 0x800
+#define XR3PCI_ATR_SRC_ADDR_LOW 0x0
+#define XR3PCI_ATR_SRC_ADDR_HIGH 0x4
+#define XR3PCI_ATR_TRSL_ADDR_LOW 0x8
+#define XR3PCI_ATR_TRSL_ADDR_HIGH 0xc
+#define XR3PCI_ATR_TRSL_PARAM 0x10
+#define XR3PCI_ATR_TABLE_OFFSET 0x20
+#define XR3PCI_ATR_MAX_TABLE_NUM 8
+
+#define XR3PCI_ATR_SRC_WIN_SIZE_SHIFT 1
+#define XR3PCI_ATR_SRC_ADDR_MASK GENMASK(31, 12)
+#define XR3PCI_ATR_TRSL_ADDR_MASK GENMASK(31, 12)
+#define XR3PCI_ATR_TRSL_DIR BIT(22)
+/* IDs used in the XR3PCI_ATR_TRSL_PARAM */
+#define XR3PCI_ATR_TRSLID_PCIE_MEMORY 0x0
+#define XR3PCI_ATR_TRSLID_PCIE_CONFIG 0x1
+
+/**
+ * struct pcie_plda - PLDA PCIe controller state
+ *
+ * @reg_base: The base address of controller register space
+ * @cfg_base: The base address of configuration space
+ * @cfg_size: The size of configuration space
+ * @sec_busno: Secondary bus number.
+ * @atr_table_num: Total ATR table numbers.
+ */
+struct pcie_plda {
+ struct udevice *dev;
+ void __iomem *reg_base;
+ void __iomem *cfg_base;
+ phys_size_t cfg_size;
+ int sec_busno;
+ int atr_table_num;
+};
+
+int plda_pcie_config_read(const struct udevice *udev, pci_dev_t bdf,
+ uint offset, ulong *valuep,
+ enum pci_size_t size);
+int plda_pcie_config_write(struct udevice *udev, pci_dev_t bdf,
+ uint offset, ulong value,
+ enum pci_size_t size);
+int plda_pcie_set_atr_entry(struct pcie_plda *plda, phys_addr_t src_addr,
+ phys_addr_t trsl_addr, phys_size_t window_size,
+ int trsl_param);
+
+static inline void plda_pcie_enable_root_port(struct pcie_plda *plda)
+{
+ u32 value;
+
+ value = readl(plda->reg_base + GEN_SETTINGS);
+ value |= PLDA_RP_ENABLE;
+ writel(value, plda->reg_base + GEN_SETTINGS);
+}
+
+static inline void plda_pcie_set_standard_class(struct pcie_plda *plda)
+{
+ u32 value;
+
+ value = readl(plda->reg_base + PCIE_PCI_IDS);
+ value &= 0xff;
+ value |= (PCI_CLASS_BRIDGE_PCI_NORMAL << IDS_CLASS_CODE_SHIFT);
+ writel(value, plda->reg_base + PCIE_PCI_IDS);
+}
+
+static inline void plda_pcie_set_pref_win_64bit(struct pcie_plda *plda)
+{
+ u32 value;
+
+ value = readl(plda->reg_base + PCIE_WINROM);
+ value |= PREF_MEM_WIN_64_SUPPORT;
+ writel(value, plda->reg_base + PCIE_WINROM);
+}
+
+static inline void plda_pcie_disable_ltr(struct pcie_plda *plda)
+{
+ u32 value;
+
+ value = readl(plda->reg_base + PMSG_SUPPORT_RX);
+ value &= ~PMSG_LTR_SUPPORT;
+ writel(value, plda->reg_base + PMSG_SUPPORT_RX);
+}
+
+static inline void plda_pcie_disable_func(struct pcie_plda *plda)
+{
+ u32 value;
+
+ value = readl(plda->reg_base + PCI_MISC);
+ value |= PLDA_FUNCTION_DIS;
+ writel(value, plda->reg_base + PCI_MISC);
+}
+#endif
diff --git a/drivers/pci/pcie_starfive_jh7110.c b/drivers/pci/pcie_starfive_jh7110.c
new file mode 100644
index 0000000000..903a544d37
--- /dev/null
+++ b/drivers/pci/pcie_starfive_jh7110.c
@@ -0,0 +1,317 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * StarFive PLDA PCIe host controller driver
+ *
+ * Copyright (C) 2023 StarFive Technology Co., Ltd.
+ * Author: Mason Huo <mason.huo at starfivetech.com>
+ *
+ */
+
+#include <common.h>
+#include <clk.h>
+#include <dm.h>
+#include <pci.h>
+#include <pci_ids.h>
+#include <power-domain.h>
+#include <regmap.h>
+#include <reset.h>
+#include <syscon.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+#include <asm-generic/gpio.h>
+#include <dm/device_compat.h>
+#include <dm/pinctrl.h>
+#include <linux/delay.h>
+#include <linux/iopoll.h>
+#include "pcie_plda_common.h"
+
+/* system control */
+#define STG_SYSCON_K_RP_NEP_MASK BIT(8)
+#define STG_SYSCON_AXI4_SLVL_ARFUNC_MASK GENMASK(22, 8)
+#define STG_SYSCON_AXI4_SLVL_ARFUNC_SHIFT 8
+#define STG_SYSCON_AXI4_SLVL_AWFUNC_MASK GENMASK(14, 0)
+#define STG_SYSCON_CLKREQ_MASK BIT(22)
+#define STG_SYSCON_CKREF_SRC_SHIFT 18
+#define STG_SYSCON_CKREF_SRC_MASK GENMASK(19, 18)
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct starfive_pcie {
+ struct pcie_plda plda;
+ struct clk_bulk clks;
+ struct reset_ctl_bulk rsts;
+ struct gpio_desc reset_gpio;
+ struct regmap *regmap;
+ u32 stg_arfun;
+ u32 stg_awfun;
+ u32 stg_rp_nep;
+};
+
+static int starfive_pcie_atr_init(struct starfive_pcie *priv)
+{
+ struct udevice *ctlr = pci_get_controller(priv->plda.dev);
+ struct pci_controller *hose = dev_get_uclass_priv(ctlr);
+ int i, ret;
+
+ /*
+ * As the two host bridges in JH7110 soc have the same default
+ * address translation table, this cause the second root port can't
+ * access it's host bridge config space correctly.
+ * To workaround, config the ATR of host bridge config space by SW.
+ */
+
+ ret = plda_pcie_set_atr_entry(&priv->plda,
+ (phys_addr_t)priv->plda.cfg_base, 0,
+ priv->plda.cfg_size,
+ XR3PCI_ATR_TRSLID_PCIE_CONFIG);
+ if (ret)
+ return ret;
+
+ for (i = 0; i < hose->region_count; i++) {
+ if (hose->regions[i].flags == PCI_REGION_SYS_MEMORY)
+ continue;
+
+ /* Only support identity mappings. */
+ if (hose->regions[i].bus_start !=
+ hose->regions[i].phys_start)
+ return -EINVAL;
+
+ ret = plda_pcie_set_atr_entry(&priv->plda,
+ hose->regions[i].phys_start,
+ hose->regions[i].bus_start,
+ hose->regions[i].size,
+ XR3PCI_ATR_TRSLID_PCIE_MEMORY);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static int starfive_pcie_get_syscon(struct udevice *dev)
+{
+ struct starfive_pcie *priv = dev_get_priv(dev);
+ struct udevice *syscon;
+ struct ofnode_phandle_args syscfg_phandle;
+ u32 cells[4];
+ int ret;
+
+ /* get corresponding syscon phandle */
+ ret = dev_read_phandle_with_args(dev, "starfive,stg-syscon", NULL, 0, 0,
+ &syscfg_phandle);
+
+ if (ret < 0) {
+ dev_err(dev, "Can't get syscfg phandle: %d\n", ret);
+ return ret;
+ }
+
+ ret = uclass_get_device_by_ofnode(UCLASS_SYSCON, syscfg_phandle.node,
+ &syscon);
+ if (ret) {
+ dev_err(dev, "Unable to find syscon device (%d)\n", ret);
+ return ret;
+ }
+
+ priv->regmap = syscon_get_regmap(syscon);
+ if (!priv->regmap) {
+ dev_err(dev, "Unable to find regmap\n");
+ return -ENODEV;
+ }
+
+ /* get syscon register offset */
+ ret = dev_read_u32_array(dev, "starfive,stg-syscon",
+ cells, ARRAY_SIZE(cells));
+ if (ret) {
+ dev_err(dev, "Get syscon register err %d\n", ret);
+ return -EINVAL;
+ }
+
+ dev_dbg(dev, "Get syscon values: %x, %x, %x\n",
+ cells[1], cells[2], cells[3]);
+ priv->stg_arfun = cells[1];
+ priv->stg_awfun = cells[2];
+ priv->stg_rp_nep = cells[3];
+
+ return 0;
+}
+
+static int starfive_pcie_parse_dt(struct udevice *dev)
+{
+ struct starfive_pcie *priv = dev_get_priv(dev);
+ int ret;
+
+ priv->plda.reg_base = (void *)dev_read_addr_name(dev, "reg");
+ if (priv->plda.reg_base == (void __iomem *)FDT_ADDR_T_NONE) {
+ dev_err(dev, "Missing required reg address range\n");
+ return -EINVAL;
+ }
+
+ priv->plda.cfg_base =
+ (void *)dev_read_addr_size_name(dev,
+ "config",
+ &priv->plda.cfg_size);
+ if (priv->plda.cfg_base == (void __iomem *)FDT_ADDR_T_NONE) {
+ dev_err(dev, "Missing required config address range");
+ return -EINVAL;
+ }
+
+ ret = starfive_pcie_get_syscon(dev);
+ if (ret) {
+ dev_err(dev, "Can't get syscon: %d\n", ret);
+ return ret;
+ }
+
+ ret = reset_get_bulk(dev, &priv->rsts);
+ if (ret) {
+ dev_err(dev, "Can't get reset: %d\n", ret);
+ return ret;
+ }
+
+ ret = clk_get_bulk(dev, &priv->clks);
+ if (ret) {
+ dev_err(dev, "Can't get clock: %d\n", ret);
+ return ret;
+ }
+
+ ret = gpio_request_by_name(dev, "reset-gpios", 0, &priv->reset_gpio,
+ GPIOD_IS_OUT);
+ if (ret) {
+ dev_err(dev, "Can't get reset-gpio: %d\n", ret);
+ return ret;
+ }
+
+ if (!dm_gpio_is_valid(&priv->reset_gpio)) {
+ dev_err(dev, "reset-gpio is not valid\n");
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int starfive_pcie_init_port(struct udevice *dev)
+{
+ int ret, i;
+ struct starfive_pcie *priv = dev_get_priv(dev);
+ struct pcie_plda *plda = &priv->plda;
+
+ ret = clk_enable_bulk(&priv->clks);
+ if (ret) {
+ dev_err(dev, "Failed to enable clks (ret=%d)\n", ret);
+ return ret;
+ }
+
+ ret = reset_deassert_bulk(&priv->rsts);
+ if (ret) {
+ dev_err(dev, "Failed to deassert resets (ret=%d)\n", ret);
+ goto err_deassert_clk;
+ }
+
+ dm_gpio_set_value(&priv->reset_gpio, 1);
+ /* Disable physical functions except #0 */
+ for (i = 1; i < PLDA_FUNC_NUM; i++) {
+ regmap_update_bits(priv->regmap,
+ priv->stg_arfun,
+ STG_SYSCON_AXI4_SLVL_ARFUNC_MASK,
+ (i << PLDA_PHY_FUNC_SHIFT) <<
+ STG_SYSCON_AXI4_SLVL_ARFUNC_SHIFT);
+ regmap_update_bits(priv->regmap,
+ priv->stg_awfun,
+ STG_SYSCON_AXI4_SLVL_AWFUNC_MASK,
+ i << PLDA_PHY_FUNC_SHIFT);
+
+ plda_pcie_disable_func(plda);
+ }
+
+ /* Disable physical functions */
+ regmap_update_bits(priv->regmap,
+ priv->stg_arfun,
+ STG_SYSCON_AXI4_SLVL_ARFUNC_MASK,
+ 0);
+ regmap_update_bits(priv->regmap,
+ priv->stg_awfun,
+ STG_SYSCON_AXI4_SLVL_AWFUNC_MASK,
+ 0);
+
+ plda_pcie_enable_root_port(plda);
+
+ /* PCIe PCI Standard Configuration Identification Settings. */
+ plda_pcie_set_standard_class(plda);
+
+ /*
+ * The LTR message forwarding of PCIe Message Reception was set by core
+ * as default, but the forward id & addr are also need to be reset.
+ * If we do not disable LTR message forwarding here, or set a legal
+ * forwarding address, the kernel will get stuck after this driver probe.
+ * To workaround, disable the LTR message forwarding support on
+ * PCIe Message Reception.
+ */
+ plda_pcie_disable_ltr(plda);
+
+ /* Prefetchable memory window 64-bit addressing support */
+ plda_pcie_set_pref_win_64bit(plda);
+ starfive_pcie_atr_init(priv);
+
+ dm_gpio_set_value(&priv->reset_gpio, 0);
+ /* Ensure that PERST in default at least 300 ms */
+ mdelay(300);
+
+ return 0;
+
+err_deassert_clk:
+ clk_disable_bulk(&priv->clks);
+ return ret;
+}
+
+static int starfive_pcie_probe(struct udevice *dev)
+{
+ struct starfive_pcie *priv = dev_get_priv(dev);
+ int ret;
+
+ priv->plda.atr_table_num = 0;
+ priv->plda.dev = dev;
+
+ ret = starfive_pcie_parse_dt(dev);
+ if (ret)
+ return ret;
+
+ regmap_update_bits(priv->regmap,
+ priv->stg_rp_nep,
+ STG_SYSCON_K_RP_NEP_MASK,
+ STG_SYSCON_K_RP_NEP_MASK);
+
+ regmap_update_bits(priv->regmap,
+ priv->stg_awfun,
+ STG_SYSCON_CKREF_SRC_MASK,
+ 2 << STG_SYSCON_CKREF_SRC_SHIFT);
+
+ regmap_update_bits(priv->regmap,
+ priv->stg_awfun,
+ STG_SYSCON_CLKREQ_MASK,
+ STG_SYSCON_CLKREQ_MASK);
+
+ ret = starfive_pcie_init_port(dev);
+ if (ret)
+ return ret;
+
+ dev_err(dev, "Starfive PCIe bus probed.\n");
+
+ return 0;
+}
+
+static const struct dm_pci_ops starfive_pcie_ops = {
+ .read_config = plda_pcie_config_read,
+ .write_config = plda_pcie_config_write,
+};
+
+static const struct udevice_id starfive_pcie_ids[] = {
+ { .compatible = "starfive,jh7110-pcie" },
+ { }
+};
+
+U_BOOT_DRIVER(starfive_pcie_drv) = {
+ .name = "starfive_7110_pcie",
+ .id = UCLASS_PCI,
+ .of_match = starfive_pcie_ids,
+ .ops = &starfive_pcie_ops,
+ .probe = starfive_pcie_probe,
+ .priv_auto = sizeof(struct starfive_pcie),
+};
--
2.17.1
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