2 * ***************************************************************************
3 * Copyright (C) 2015 Marvell International Ltd.
4 * ***************************************************************************
5 * This program is free software: you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the Free
7 * Software Foundation, either version 2 of the License, or any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
16 * ***************************************************************************
20 * Ported from Linux driver - driver/pci/host/pci-aardvark.c
22 * Author: Victor Gu <xigu@marvell.com>
23 * Hezi Shahmoon <hezi.shahmoon@marvell.com>
31 #include <asm-generic/gpio.h>
32 #include <dm/device_compat.h>
33 #include <linux/bitops.h>
34 #include <linux/delay.h>
35 #include <linux/ioport.h>
37 /* PCIe core registers */
38 #define PCIE_CORE_CMD_STATUS_REG 0x4
39 #define PCIE_CORE_CMD_IO_ACCESS_EN BIT(0)
40 #define PCIE_CORE_CMD_MEM_ACCESS_EN BIT(1)
41 #define PCIE_CORE_CMD_MEM_IO_REQ_EN BIT(2)
42 #define PCIE_CORE_DEV_CTRL_STATS_REG 0xc8
43 #define PCIE_CORE_DEV_CTRL_STATS_RELAX_ORDER_DISABLE (0 << 4)
44 #define PCIE_CORE_DEV_CTRL_STATS_SNOOP_DISABLE (0 << 11)
45 #define PCIE_CORE_LINK_CTRL_STAT_REG 0xd0
46 #define PCIE_CORE_LINK_TRAINING BIT(5)
47 #define PCIE_CORE_ERR_CAPCTL_REG 0x118
48 #define PCIE_CORE_ERR_CAPCTL_ECRC_CHK_TX BIT(5)
49 #define PCIE_CORE_ERR_CAPCTL_ECRC_CHK_TX_EN BIT(6)
50 #define PCIE_CORE_ERR_CAPCTL_ECRC_CHECK BIT(7)
51 #define PCIE_CORE_ERR_CAPCTL_ECRC_CHECK_RCV BIT(8)
53 /* PIO registers base address and register offsets */
54 #define PIO_BASE_ADDR 0x4000
55 #define PIO_CTRL (PIO_BASE_ADDR + 0x0)
56 #define PIO_CTRL_TYPE_MASK GENMASK(3, 0)
57 #define PIO_CTRL_ADDR_WIN_DISABLE BIT(24)
58 #define PIO_STAT (PIO_BASE_ADDR + 0x4)
59 #define PIO_COMPLETION_STATUS_SHIFT 7
60 #define PIO_COMPLETION_STATUS_MASK GENMASK(9, 7)
61 #define PIO_COMPLETION_STATUS_OK 0
62 #define PIO_COMPLETION_STATUS_UR 1
63 #define PIO_COMPLETION_STATUS_CRS 2
64 #define PIO_COMPLETION_STATUS_CA 4
65 #define PIO_NON_POSTED_REQ BIT(10)
66 #define PIO_ERR_STATUS BIT(11)
67 #define PIO_ADDR_LS (PIO_BASE_ADDR + 0x8)
68 #define PIO_ADDR_MS (PIO_BASE_ADDR + 0xc)
69 #define PIO_WR_DATA (PIO_BASE_ADDR + 0x10)
70 #define PIO_WR_DATA_STRB (PIO_BASE_ADDR + 0x14)
71 #define PIO_RD_DATA (PIO_BASE_ADDR + 0x18)
72 #define PIO_START (PIO_BASE_ADDR + 0x1c)
73 #define PIO_ISR (PIO_BASE_ADDR + 0x20)
75 /* Aardvark Control registers */
76 #define CONTROL_BASE_ADDR 0x4800
77 #define PCIE_CORE_CTRL0_REG (CONTROL_BASE_ADDR + 0x0)
78 #define PCIE_GEN_SEL_MSK 0x3
79 #define PCIE_GEN_SEL_SHIFT 0x0
85 #define LANE_CNT_MSK 0x18
86 #define LANE_CNT_SHIFT 0x3
87 #define LANE_COUNT_1 (0 << LANE_CNT_SHIFT)
88 #define LANE_COUNT_2 (1 << LANE_CNT_SHIFT)
89 #define LANE_COUNT_4 (2 << LANE_CNT_SHIFT)
90 #define LANE_COUNT_8 (3 << LANE_CNT_SHIFT)
91 #define LINK_TRAINING_EN BIT(6)
92 #define PCIE_CORE_CTRL2_REG (CONTROL_BASE_ADDR + 0x8)
93 #define PCIE_CORE_CTRL2_RESERVED 0x7
94 #define PCIE_CORE_CTRL2_TD_ENABLE BIT(4)
95 #define PCIE_CORE_CTRL2_STRICT_ORDER_ENABLE BIT(5)
96 #define PCIE_CORE_CTRL2_ADDRWIN_MAP_ENABLE BIT(6)
98 /* LMI registers base address and register offsets */
99 #define LMI_BASE_ADDR 0x6000
100 #define CFG_REG (LMI_BASE_ADDR + 0x0)
101 #define LTSSM_SHIFT 24
102 #define LTSSM_MASK 0x3f
103 #define LTSSM_L0 0x10
105 /* PCIe core controller registers */
106 #define CTRL_CORE_BASE_ADDR 0x18000
107 #define CTRL_CONFIG_REG (CTRL_CORE_BASE_ADDR + 0x0)
108 #define CTRL_MODE_SHIFT 0x0
109 #define CTRL_MODE_MASK 0x1
110 #define PCIE_CORE_MODE_DIRECT 0x0
111 #define PCIE_CORE_MODE_COMMAND 0x1
113 /* Transaction types */
114 #define PCIE_CONFIG_RD_TYPE0 0x8
115 #define PCIE_CONFIG_RD_TYPE1 0x9
116 #define PCIE_CONFIG_WR_TYPE0 0xa
117 #define PCIE_CONFIG_WR_TYPE1 0xb
119 /* PCI_BDF shifts 8bit, so we need extra 4bit shift */
120 #define PCIE_BDF(dev) (dev << 4)
121 #define PCIE_CONF_BUS(bus) (((bus) & 0xff) << 20)
122 #define PCIE_CONF_DEV(dev) (((dev) & 0x1f) << 15)
123 #define PCIE_CONF_FUNC(fun) (((fun) & 0x7) << 12)
124 #define PCIE_CONF_REG(reg) ((reg) & 0xffc)
125 #define PCIE_CONF_ADDR(bus, devfn, where) \
126 (PCIE_CONF_BUS(bus) | PCIE_CONF_DEV(PCI_SLOT(devfn)) | \
127 PCIE_CONF_FUNC(PCI_FUNC(devfn)) | PCIE_CONF_REG(where))
129 /* PCIe Retries & Timeout definitions */
130 #define MAX_RETRIES 10
131 #define PIO_WAIT_TIMEOUT 100
132 #define LINK_WAIT_TIMEOUT 100000
134 #define CFG_RD_UR_VAL 0xFFFFFFFF
135 #define CFG_RD_CRS_VAL 0xFFFF0001
138 * struct pcie_advk - Advk PCIe controller state
140 * @reg_base: The base address of the register space.
141 * @first_busno: This driver supports multiple PCIe controllers.
142 * first_busno stores the bus number of the PCIe root-port
143 * number which may vary depending on the PCIe setup
144 * (PEX switches etc).
145 * @device: The pointer to PCI uclass device.
151 struct gpio_desc reset_gpio;
154 static inline void advk_writel(struct pcie_advk *pcie, uint val, uint reg)
156 writel(val, pcie->base + reg);
159 static inline uint advk_readl(struct pcie_advk *pcie, uint reg)
161 return readl(pcie->base + reg);
165 * pcie_advk_addr_valid() - Check for valid bus address
167 * @bdf: The PCI device to access
168 * @first_busno: Bus number of the PCIe controller root complex
170 * Return: 1 on valid, 0 on invalid
172 static int pcie_advk_addr_valid(pci_dev_t bdf, int first_busno)
175 * In PCIE-E only a single device (0) can exist
176 * on the local bus. Beyound the local bus, there might be
177 * a Switch and everything is possible.
179 if ((PCI_BUS(bdf) == first_busno) && (PCI_DEV(bdf) > 0))
186 * pcie_advk_wait_pio() - Wait for PIO access to be accomplished
188 * @pcie: The PCI device to access
190 * Wait up to 1 micro second for PIO access to be accomplished.
192 * Return 1 (true) if PIO access is accomplished.
193 * Return 0 (false) if PIO access is timed out.
195 static int pcie_advk_wait_pio(struct pcie_advk *pcie)
200 for (count = 0; count < MAX_RETRIES; count++) {
201 start = advk_readl(pcie, PIO_START);
202 isr = advk_readl(pcie, PIO_ISR);
206 * Do not check the PIO state too frequently,
207 * 100us delay is appropriate.
209 udelay(PIO_WAIT_TIMEOUT);
212 dev_err(pcie->dev, "config read/write timed out\n");
217 * pcie_advk_check_pio_status() - Validate PIO status and get the read result
219 * @pcie: Pointer to the PCI bus
220 * @read: Read from or write to configuration space - true(read) false(write)
221 * @read_val: Pointer to the read result, only valid when read is true
224 static int pcie_advk_check_pio_status(struct pcie_advk *pcie,
230 char *strcomp_status, *str_posted;
232 reg = advk_readl(pcie, PIO_STAT);
233 status = (reg & PIO_COMPLETION_STATUS_MASK) >>
234 PIO_COMPLETION_STATUS_SHIFT;
237 case PIO_COMPLETION_STATUS_OK:
238 if (reg & PIO_ERR_STATUS) {
239 strcomp_status = "COMP_ERR";
242 /* Get the read result */
244 *read_val = advk_readl(pcie, PIO_RD_DATA);
246 strcomp_status = NULL;
248 case PIO_COMPLETION_STATUS_UR:
250 /* For reading, UR is not an error status. */
251 *read_val = CFG_RD_UR_VAL;
252 strcomp_status = NULL;
254 strcomp_status = "UR";
257 case PIO_COMPLETION_STATUS_CRS:
259 /* For reading, CRS is not an error status. */
260 *read_val = CFG_RD_CRS_VAL;
261 strcomp_status = NULL;
263 strcomp_status = "CRS";
266 case PIO_COMPLETION_STATUS_CA:
267 strcomp_status = "CA";
270 strcomp_status = "Unknown";
277 if (reg & PIO_NON_POSTED_REQ)
278 str_posted = "Non-posted";
280 str_posted = "Posted";
282 dev_err(pcie->dev, "%s PIO Response Status: %s, %#x @ %#x\n",
283 str_posted, strcomp_status, reg,
284 advk_readl(pcie, PIO_ADDR_LS));
290 * pcie_advk_read_config() - Read from configuration space
292 * @bus: Pointer to the PCI bus
293 * @bdf: Identifies the PCIe device to access
294 * @offset: The offset into the device's configuration space
295 * @valuep: A pointer at which to store the read value
296 * @size: Indicates the size of access to perform
298 * Read a value of size @size from offset @offset within the configuration
299 * space of the device identified by the bus, device & function numbers in @bdf
300 * on the PCI bus @bus.
302 * Return: 0 on success
304 static int pcie_advk_read_config(const struct udevice *bus, pci_dev_t bdf,
305 uint offset, ulong *valuep,
306 enum pci_size_t size)
308 struct pcie_advk *pcie = dev_get_priv(bus);
312 dev_dbg(pcie->dev, "PCIE CFG read: (b,d,f)=(%2d,%2d,%2d) ",
313 PCI_BUS(bdf), PCI_DEV(bdf), PCI_FUNC(bdf));
315 if (!pcie_advk_addr_valid(bdf, pcie->first_busno)) {
316 dev_dbg(pcie->dev, "- out of range\n");
317 *valuep = pci_get_ff(size);
322 advk_writel(pcie, 0, PIO_START);
323 advk_writel(pcie, 1, PIO_ISR);
325 /* Program the control register */
326 reg = advk_readl(pcie, PIO_CTRL);
327 reg &= ~PIO_CTRL_TYPE_MASK;
328 if (PCI_BUS(bdf) == pcie->first_busno)
329 reg |= PCIE_CONFIG_RD_TYPE0;
331 reg |= PCIE_CONFIG_RD_TYPE1;
332 advk_writel(pcie, reg, PIO_CTRL);
334 /* Program the address registers */
335 reg = PCIE_BDF(bdf) | PCIE_CONF_REG(offset);
336 advk_writel(pcie, reg, PIO_ADDR_LS);
337 advk_writel(pcie, 0, PIO_ADDR_MS);
339 /* Start the transfer */
340 advk_writel(pcie, 1, PIO_START);
342 if (!pcie_advk_wait_pio(pcie))
345 /* Check PIO status and get the read result */
346 ret = pcie_advk_check_pio_status(pcie, true, ®);
350 dev_dbg(pcie->dev, "(addr,size,val)=(0x%04x, %d, 0x%08x)\n",
352 *valuep = pci_conv_32_to_size(reg, offset, size);
358 * pcie_calc_datastrobe() - Calculate data strobe
360 * @offset: The offset into the device's configuration space
361 * @size: Indicates the size of access to perform
363 * Calculate data strobe according to offset and size
366 static uint pcie_calc_datastrobe(uint offset, enum pci_size_t size)
368 uint bytes, data_strobe;
381 data_strobe = GENMASK(bytes - 1, 0) << (offset & 0x3);
387 * pcie_advk_write_config() - Write to configuration space
389 * @bus: Pointer to the PCI bus
390 * @bdf: Identifies the PCIe device to access
391 * @offset: The offset into the device's configuration space
392 * @value: The value to write
393 * @size: Indicates the size of access to perform
395 * Write the value @value of size @size from offset @offset within the
396 * configuration space of the device identified by the bus, device & function
397 * numbers in @bdf on the PCI bus @bus.
399 * Return: 0 on success
401 static int pcie_advk_write_config(struct udevice *bus, pci_dev_t bdf,
402 uint offset, ulong value,
403 enum pci_size_t size)
405 struct pcie_advk *pcie = dev_get_priv(bus);
408 dev_dbg(pcie->dev, "PCIE CFG write: (b,d,f)=(%2d,%2d,%2d) ",
409 PCI_BUS(bdf), PCI_DEV(bdf), PCI_FUNC(bdf));
410 dev_dbg(pcie->dev, "(addr,size,val)=(0x%04x, %d, 0x%08lx)\n",
411 offset, size, value);
413 if (!pcie_advk_addr_valid(bdf, pcie->first_busno)) {
414 dev_dbg(pcie->dev, "- out of range\n");
419 advk_writel(pcie, 0, PIO_START);
420 advk_writel(pcie, 1, PIO_ISR);
422 /* Program the control register */
423 reg = advk_readl(pcie, PIO_CTRL);
424 reg &= ~PIO_CTRL_TYPE_MASK;
425 if (PCI_BUS(bdf) == pcie->first_busno)
426 reg |= PCIE_CONFIG_WR_TYPE0;
428 reg |= PCIE_CONFIG_WR_TYPE1;
429 advk_writel(pcie, reg, PIO_CTRL);
431 /* Program the address registers */
432 reg = PCIE_BDF(bdf) | PCIE_CONF_REG(offset);
433 advk_writel(pcie, reg, PIO_ADDR_LS);
434 advk_writel(pcie, 0, PIO_ADDR_MS);
435 dev_dbg(pcie->dev, "\tPIO req. - addr = 0x%08x\n", reg);
437 /* Program the data register */
438 reg = pci_conv_size_to_32(0, value, offset, size);
439 advk_writel(pcie, reg, PIO_WR_DATA);
440 dev_dbg(pcie->dev, "\tPIO req. - val = 0x%08x\n", reg);
442 /* Program the data strobe */
443 reg = pcie_calc_datastrobe(offset, size);
444 advk_writel(pcie, reg, PIO_WR_DATA_STRB);
445 dev_dbg(pcie->dev, "\tPIO req. - strb = 0x%02x\n", reg);
447 /* Start the transfer */
448 advk_writel(pcie, 1, PIO_START);
450 if (!pcie_advk_wait_pio(pcie)) {
451 dev_dbg(pcie->dev, "- wait pio timeout\n");
455 /* Check PIO status */
456 pcie_advk_check_pio_status(pcie, false, ®);
462 * pcie_advk_link_up() - Check if PCIe link is up or not
464 * @pcie: The PCI device to access
466 * Return 1 (true) on link up.
467 * Return 0 (false) on link down.
469 static int pcie_advk_link_up(struct pcie_advk *pcie)
471 u32 val, ltssm_state;
473 val = advk_readl(pcie, CFG_REG);
474 ltssm_state = (val >> LTSSM_SHIFT) & LTSSM_MASK;
475 return ltssm_state >= LTSSM_L0;
479 * pcie_advk_wait_for_link() - Wait for link training to be accomplished
481 * @pcie: The PCI device to access
483 * Wait up to 1 second for link training to be accomplished.
485 * Return 1 (true) if link training ends up with link up success.
486 * Return 0 (false) if link training ends up with link up failure.
488 static int pcie_advk_wait_for_link(struct pcie_advk *pcie)
492 /* check if the link is up or not */
493 for (retries = 0; retries < MAX_RETRIES; retries++) {
494 if (pcie_advk_link_up(pcie)) {
495 printf("PCIE-%d: Link up\n", pcie->first_busno);
499 udelay(LINK_WAIT_TIMEOUT);
502 printf("PCIE-%d: Link down\n", pcie->first_busno);
508 * pcie_advk_setup_hw() - PCIe initailzation
510 * @pcie: The PCI device to access
512 * Return: 0 on success
514 static int pcie_advk_setup_hw(struct pcie_advk *pcie)
518 /* Set to Direct mode */
519 reg = advk_readl(pcie, CTRL_CONFIG_REG);
520 reg &= ~(CTRL_MODE_MASK << CTRL_MODE_SHIFT);
521 reg |= ((PCIE_CORE_MODE_DIRECT & CTRL_MODE_MASK) << CTRL_MODE_SHIFT);
522 advk_writel(pcie, reg, CTRL_CONFIG_REG);
524 /* Set PCI global control register to RC mode */
525 reg = advk_readl(pcie, PCIE_CORE_CTRL0_REG);
526 reg |= (IS_RC_MSK << IS_RC_SHIFT);
527 advk_writel(pcie, reg, PCIE_CORE_CTRL0_REG);
529 /* Set Advanced Error Capabilities and Control PF0 register */
530 reg = PCIE_CORE_ERR_CAPCTL_ECRC_CHK_TX |
531 PCIE_CORE_ERR_CAPCTL_ECRC_CHK_TX_EN |
532 PCIE_CORE_ERR_CAPCTL_ECRC_CHECK |
533 PCIE_CORE_ERR_CAPCTL_ECRC_CHECK_RCV;
534 advk_writel(pcie, reg, PCIE_CORE_ERR_CAPCTL_REG);
536 /* Set PCIe Device Control and Status 1 PF0 register */
537 reg = PCIE_CORE_DEV_CTRL_STATS_RELAX_ORDER_DISABLE |
538 PCIE_CORE_DEV_CTRL_STATS_SNOOP_DISABLE;
539 advk_writel(pcie, reg, PCIE_CORE_DEV_CTRL_STATS_REG);
541 /* Program PCIe Control 2 to disable strict ordering */
542 reg = PCIE_CORE_CTRL2_RESERVED |
543 PCIE_CORE_CTRL2_TD_ENABLE;
544 advk_writel(pcie, reg, PCIE_CORE_CTRL2_REG);
547 reg = advk_readl(pcie, PCIE_CORE_CTRL0_REG);
548 reg &= ~PCIE_GEN_SEL_MSK;
550 advk_writel(pcie, reg, PCIE_CORE_CTRL0_REG);
553 reg = advk_readl(pcie, PCIE_CORE_CTRL0_REG);
554 reg &= ~LANE_CNT_MSK;
556 advk_writel(pcie, reg, PCIE_CORE_CTRL0_REG);
558 /* Enable link training */
559 reg = advk_readl(pcie, PCIE_CORE_CTRL0_REG);
560 reg |= LINK_TRAINING_EN;
561 advk_writel(pcie, reg, PCIE_CORE_CTRL0_REG);
564 * Enable AXI address window location generation:
565 * When it is enabled, the default outbound window
566 * configurations (Default User Field: 0xD0074CFC)
567 * are used to transparent address translation for
568 * the outbound transactions. Thus, PCIe address
569 * windows are not required.
571 reg = advk_readl(pcie, PCIE_CORE_CTRL2_REG);
572 reg |= PCIE_CORE_CTRL2_ADDRWIN_MAP_ENABLE;
573 advk_writel(pcie, reg, PCIE_CORE_CTRL2_REG);
576 * Bypass the address window mapping for PIO:
577 * Since PIO access already contains all required
578 * info over AXI interface by PIO registers, the
579 * address window is not required.
581 reg = advk_readl(pcie, PIO_CTRL);
582 reg |= PIO_CTRL_ADDR_WIN_DISABLE;
583 advk_writel(pcie, reg, PIO_CTRL);
585 /* Start link training */
586 reg = advk_readl(pcie, PCIE_CORE_LINK_CTRL_STAT_REG);
587 reg |= PCIE_CORE_LINK_TRAINING;
588 advk_writel(pcie, reg, PCIE_CORE_LINK_CTRL_STAT_REG);
590 /* Wait for PCIe link up */
591 if (pcie_advk_wait_for_link(pcie))
594 reg = advk_readl(pcie, PCIE_CORE_CMD_STATUS_REG);
595 reg |= PCIE_CORE_CMD_MEM_ACCESS_EN |
596 PCIE_CORE_CMD_IO_ACCESS_EN |
597 PCIE_CORE_CMD_MEM_IO_REQ_EN;
598 advk_writel(pcie, reg, PCIE_CORE_CMD_STATUS_REG);
604 * pcie_advk_probe() - Probe the PCIe bus for active link
606 * @dev: A pointer to the device being operated on
608 * Probe for an active link on the PCIe bus and configure the controller
609 * to enable this port.
611 * Return: 0 on success, else -ENODEV
613 static int pcie_advk_probe(struct udevice *dev)
615 struct pcie_advk *pcie = dev_get_priv(dev);
617 gpio_request_by_name(dev, "reset-gpios", 0, &pcie->reset_gpio,
620 * Issue reset to add-in card through the dedicated GPIO.
621 * Some boards are connecting the card reset pin to common system
622 * reset wire and others are using separate GPIO port.
623 * In the last case we have to release a reset of the addon card
627 * The PCIe RESET signal is not supposed to be released along
628 * with the SOC RESET signal. It should be lowered as early as
629 * possible before PCIe PHY initialization. Moreover, the PCIe
630 * clock should be gated as well.
632 if (dm_gpio_is_valid(&pcie->reset_gpio)) {
633 dev_dbg(pcie->dev, "Toggle PCIE Reset GPIO ...\n");
634 dm_gpio_set_value(&pcie->reset_gpio, 1);
636 dm_gpio_set_value(&pcie->reset_gpio, 0);
638 dev_warn(pcie->dev, "PCIE Reset on GPIO support is missing\n");
641 pcie->first_busno = dev->seq;
642 pcie->dev = pci_get_controller(dev);
644 return pcie_advk_setup_hw(pcie);
647 static int pcie_advk_remove(struct udevice *dev)
649 struct pcie_advk *pcie = dev_get_priv(dev);
651 if (dm_gpio_is_valid(&pcie->reset_gpio))
652 dm_gpio_set_value(&pcie->reset_gpio, 1);
658 * pcie_advk_ofdata_to_platdata() - Translate from DT to device state
660 * @dev: A pointer to the device being operated on
662 * Translate relevant data from the device tree pertaining to device @dev into
663 * state that the driver will later make use of. This state is stored in the
664 * device's private data structure.
666 * Return: 0 on success, else -EINVAL
668 static int pcie_advk_ofdata_to_platdata(struct udevice *dev)
670 struct pcie_advk *pcie = dev_get_priv(dev);
672 /* Get the register base address */
673 pcie->base = (void *)dev_read_addr_index(dev, 0);
674 if ((fdt_addr_t)pcie->base == FDT_ADDR_T_NONE)
680 static const struct dm_pci_ops pcie_advk_ops = {
681 .read_config = pcie_advk_read_config,
682 .write_config = pcie_advk_write_config,
685 static const struct udevice_id pcie_advk_ids[] = {
686 { .compatible = "marvell,armada-37xx-pcie" },
690 U_BOOT_DRIVER(pcie_advk) = {
693 .of_match = pcie_advk_ids,
694 .ops = &pcie_advk_ops,
695 .ofdata_to_platdata = pcie_advk_ofdata_to_platdata,
696 .probe = pcie_advk_probe,
697 .remove = pcie_advk_remove,
698 .flags = DM_FLAG_OS_PREPARE,
699 .priv_auto_alloc_size = sizeof(struct pcie_advk),