1 // SPDX-License-Identifier: GPL-2.0
3 * Qualcomm PCIe root complex driver
5 * Copyright (c) 2014-2015, The Linux Foundation. All rights reserved.
6 * Copyright 2015 Linaro Limited.
8 * Author: Stanimir Varbanov <svarbanov@mm-sol.com>
11 #include <linux/clk.h>
12 #include <linux/delay.h>
13 #include <linux/gpio/consumer.h>
14 #include <linux/interrupt.h>
16 #include <linux/iopoll.h>
17 #include <linux/kernel.h>
18 #include <linux/init.h>
19 #include <linux/of_device.h>
20 #include <linux/of_gpio.h>
21 #include <linux/pci.h>
22 #include <linux/pm_runtime.h>
23 #include <linux/platform_device.h>
24 #include <linux/phy/phy.h>
25 #include <linux/regulator/consumer.h>
26 #include <linux/reset.h>
27 #include <linux/slab.h>
28 #include <linux/types.h>
30 #include "pcie-designware.h"
32 #define PCIE20_PARF_SYS_CTRL 0x00
33 #define MST_WAKEUP_EN BIT(13)
34 #define SLV_WAKEUP_EN BIT(12)
35 #define MSTR_ACLK_CGC_DIS BIT(10)
36 #define SLV_ACLK_CGC_DIS BIT(9)
37 #define CORE_CLK_CGC_DIS BIT(6)
38 #define AUX_PWR_DET BIT(4)
39 #define L23_CLK_RMV_DIS BIT(2)
40 #define L1_CLK_RMV_DIS BIT(1)
42 #define PCIE20_COMMAND_STATUS 0x04
43 #define CMD_BME_VAL 0x4
44 #define PCIE20_DEVICE_CONTROL2_STATUS2 0x98
45 #define PCIE_CAP_CPL_TIMEOUT_DISABLE 0x10
47 #define PCIE20_PARF_PHY_CTRL 0x40
48 #define PCIE20_PARF_PHY_REFCLK 0x4C
49 #define PCIE20_PARF_DBI_BASE_ADDR 0x168
50 #define PCIE20_PARF_SLV_ADDR_SPACE_SIZE 0x16C
51 #define PCIE20_PARF_MHI_CLOCK_RESET_CTRL 0x174
52 #define PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT 0x178
53 #define PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT_V2 0x1A8
54 #define PCIE20_PARF_LTSSM 0x1B0
55 #define PCIE20_PARF_SID_OFFSET 0x234
56 #define PCIE20_PARF_BDF_TRANSLATE_CFG 0x24C
57 #define PCIE20_PARF_DEVICE_TYPE 0x1000
59 #define PCIE20_ELBI_SYS_CTRL 0x04
60 #define PCIE20_ELBI_SYS_CTRL_LT_ENABLE BIT(0)
62 #define PCIE20_AXI_MSTR_RESP_COMP_CTRL0 0x818
63 #define CFG_REMOTE_RD_REQ_BRIDGE_SIZE_2K 0x4
64 #define CFG_REMOTE_RD_REQ_BRIDGE_SIZE_4K 0x5
65 #define PCIE20_AXI_MSTR_RESP_COMP_CTRL1 0x81c
66 #define CFG_BRIDGE_SB_INIT BIT(0)
68 #define PCIE20_CAP 0x70
69 #define PCIE20_CAP_LINK_CAPABILITIES (PCIE20_CAP + 0xC)
70 #define PCIE20_CAP_ACTIVE_STATE_LINK_PM_SUPPORT (BIT(10) | BIT(11))
71 #define PCIE20_CAP_LINK_1 (PCIE20_CAP + 0x14)
72 #define PCIE_CAP_LINK1_VAL 0x2FD7F
74 #define PCIE20_PARF_Q2A_FLUSH 0x1AC
76 #define PCIE20_MISC_CONTROL_1_REG 0x8BC
77 #define DBI_RO_WR_EN 1
79 #define PERST_DELAY_US 1000
81 #define PCIE20_v3_PARF_SLV_ADDR_SPACE_SIZE 0x358
82 #define SLV_ADDR_SPACE_SZ 0x10000000
84 #define DEVICE_TYPE_RC 0x4
86 #define QCOM_PCIE_2_1_0_MAX_SUPPLY 3
87 #define QCOM_PCIE_2_1_0_MAX_CLOCKS 5
88 struct qcom_pcie_resources_2_1_0 {
89 struct clk_bulk_data clks[QCOM_PCIE_2_1_0_MAX_CLOCKS];
90 struct reset_control *pci_reset;
91 struct reset_control *axi_reset;
92 struct reset_control *ahb_reset;
93 struct reset_control *por_reset;
94 struct reset_control *phy_reset;
95 struct reset_control *ext_reset;
96 struct regulator_bulk_data supplies[QCOM_PCIE_2_1_0_MAX_SUPPLY];
99 struct qcom_pcie_resources_1_0_0 {
102 struct clk *master_bus;
103 struct clk *slave_bus;
104 struct reset_control *core;
105 struct regulator *vdda;
108 #define QCOM_PCIE_2_3_2_MAX_SUPPLY 2
109 struct qcom_pcie_resources_2_3_2 {
111 struct clk *master_clk;
112 struct clk *slave_clk;
114 struct clk *pipe_clk;
115 struct regulator_bulk_data supplies[QCOM_PCIE_2_3_2_MAX_SUPPLY];
118 #define QCOM_PCIE_2_4_0_MAX_CLOCKS 4
119 struct qcom_pcie_resources_2_4_0 {
120 struct clk_bulk_data clks[QCOM_PCIE_2_4_0_MAX_CLOCKS];
122 struct reset_control *axi_m_reset;
123 struct reset_control *axi_s_reset;
124 struct reset_control *pipe_reset;
125 struct reset_control *axi_m_vmid_reset;
126 struct reset_control *axi_s_xpu_reset;
127 struct reset_control *parf_reset;
128 struct reset_control *phy_reset;
129 struct reset_control *axi_m_sticky_reset;
130 struct reset_control *pipe_sticky_reset;
131 struct reset_control *pwr_reset;
132 struct reset_control *ahb_reset;
133 struct reset_control *phy_ahb_reset;
136 struct qcom_pcie_resources_2_3_3 {
138 struct clk *axi_m_clk;
139 struct clk *axi_s_clk;
142 struct reset_control *rst[7];
145 struct qcom_pcie_resources_2_7_0 {
146 struct clk_bulk_data clks[6];
147 struct regulator_bulk_data supplies[2];
148 struct reset_control *pci_reset;
149 struct clk *pipe_clk;
152 union qcom_pcie_resources {
153 struct qcom_pcie_resources_1_0_0 v1_0_0;
154 struct qcom_pcie_resources_2_1_0 v2_1_0;
155 struct qcom_pcie_resources_2_3_2 v2_3_2;
156 struct qcom_pcie_resources_2_3_3 v2_3_3;
157 struct qcom_pcie_resources_2_4_0 v2_4_0;
158 struct qcom_pcie_resources_2_7_0 v2_7_0;
163 struct qcom_pcie_ops {
164 int (*get_resources)(struct qcom_pcie *pcie);
165 int (*init)(struct qcom_pcie *pcie);
166 int (*post_init)(struct qcom_pcie *pcie);
167 void (*deinit)(struct qcom_pcie *pcie);
168 void (*post_deinit)(struct qcom_pcie *pcie);
169 void (*ltssm_enable)(struct qcom_pcie *pcie);
174 void __iomem *parf; /* DT parf */
175 void __iomem *elbi; /* DT elbi */
176 union qcom_pcie_resources res;
178 struct gpio_desc *reset;
179 const struct qcom_pcie_ops *ops;
182 #define to_qcom_pcie(x) dev_get_drvdata((x)->dev)
184 static void qcom_ep_reset_assert(struct qcom_pcie *pcie)
186 gpiod_set_value_cansleep(pcie->reset, 1);
187 usleep_range(PERST_DELAY_US, PERST_DELAY_US + 500);
190 static void qcom_ep_reset_deassert(struct qcom_pcie *pcie)
192 /* Ensure that PERST has been asserted for at least 100 ms */
194 gpiod_set_value_cansleep(pcie->reset, 0);
195 usleep_range(PERST_DELAY_US, PERST_DELAY_US + 500);
198 static int qcom_pcie_establish_link(struct qcom_pcie *pcie)
200 struct dw_pcie *pci = pcie->pci;
202 if (dw_pcie_link_up(pci))
205 /* Enable Link Training state machine */
206 if (pcie->ops->ltssm_enable)
207 pcie->ops->ltssm_enable(pcie);
209 return dw_pcie_wait_for_link(pci);
212 static void qcom_pcie_2_1_0_ltssm_enable(struct qcom_pcie *pcie)
216 /* enable link training */
217 val = readl(pcie->elbi + PCIE20_ELBI_SYS_CTRL);
218 val |= PCIE20_ELBI_SYS_CTRL_LT_ENABLE;
219 writel(val, pcie->elbi + PCIE20_ELBI_SYS_CTRL);
222 static int qcom_pcie_get_resources_2_1_0(struct qcom_pcie *pcie)
224 struct qcom_pcie_resources_2_1_0 *res = &pcie->res.v2_1_0;
225 struct dw_pcie *pci = pcie->pci;
226 struct device *dev = pci->dev;
229 res->supplies[0].supply = "vdda";
230 res->supplies[1].supply = "vdda_phy";
231 res->supplies[2].supply = "vdda_refclk";
232 ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(res->supplies),
237 res->clks[0].id = "iface";
238 res->clks[1].id = "core";
239 res->clks[2].id = "phy";
240 res->clks[3].id = "aux";
241 res->clks[4].id = "ref";
243 /* iface, core, phy are required */
244 ret = devm_clk_bulk_get(dev, 3, res->clks);
248 /* aux, ref are optional */
249 ret = devm_clk_bulk_get_optional(dev, 2, res->clks + 3);
253 res->pci_reset = devm_reset_control_get_exclusive(dev, "pci");
254 if (IS_ERR(res->pci_reset))
255 return PTR_ERR(res->pci_reset);
257 res->axi_reset = devm_reset_control_get_exclusive(dev, "axi");
258 if (IS_ERR(res->axi_reset))
259 return PTR_ERR(res->axi_reset);
261 res->ahb_reset = devm_reset_control_get_exclusive(dev, "ahb");
262 if (IS_ERR(res->ahb_reset))
263 return PTR_ERR(res->ahb_reset);
265 res->por_reset = devm_reset_control_get_exclusive(dev, "por");
266 if (IS_ERR(res->por_reset))
267 return PTR_ERR(res->por_reset);
269 res->ext_reset = devm_reset_control_get_optional_exclusive(dev, "ext");
270 if (IS_ERR(res->ext_reset))
271 return PTR_ERR(res->ext_reset);
273 res->phy_reset = devm_reset_control_get_exclusive(dev, "phy");
274 return PTR_ERR_OR_ZERO(res->phy_reset);
277 static void qcom_pcie_deinit_2_1_0(struct qcom_pcie *pcie)
279 struct qcom_pcie_resources_2_1_0 *res = &pcie->res.v2_1_0;
281 clk_bulk_disable_unprepare(ARRAY_SIZE(res->clks), res->clks);
282 reset_control_assert(res->pci_reset);
283 reset_control_assert(res->axi_reset);
284 reset_control_assert(res->ahb_reset);
285 reset_control_assert(res->por_reset);
286 reset_control_assert(res->ext_reset);
287 reset_control_assert(res->phy_reset);
288 regulator_bulk_disable(ARRAY_SIZE(res->supplies), res->supplies);
291 static int qcom_pcie_init_2_1_0(struct qcom_pcie *pcie)
293 struct qcom_pcie_resources_2_1_0 *res = &pcie->res.v2_1_0;
294 struct dw_pcie *pci = pcie->pci;
295 struct device *dev = pci->dev;
299 ret = regulator_bulk_enable(ARRAY_SIZE(res->supplies), res->supplies);
301 dev_err(dev, "cannot enable regulators\n");
305 ret = reset_control_deassert(res->ahb_reset);
307 dev_err(dev, "cannot deassert ahb reset\n");
308 goto err_deassert_ahb;
311 ret = reset_control_deassert(res->ext_reset);
313 dev_err(dev, "cannot deassert ext reset\n");
314 goto err_deassert_ext;
317 ret = reset_control_deassert(res->phy_reset);
319 dev_err(dev, "cannot deassert phy reset\n");
320 goto err_deassert_phy;
323 ret = reset_control_deassert(res->pci_reset);
325 dev_err(dev, "cannot deassert pci reset\n");
326 goto err_deassert_pci;
329 ret = reset_control_deassert(res->por_reset);
331 dev_err(dev, "cannot deassert por reset\n");
332 goto err_deassert_por;
335 ret = reset_control_deassert(res->axi_reset);
337 dev_err(dev, "cannot deassert axi reset\n");
338 goto err_deassert_axi;
341 ret = clk_bulk_prepare_enable(ARRAY_SIZE(res->clks), res->clks);
345 /* enable PCIe clocks and resets */
346 val = readl(pcie->parf + PCIE20_PARF_PHY_CTRL);
348 writel(val, pcie->parf + PCIE20_PARF_PHY_CTRL);
350 /* enable external reference clock */
351 val = readl(pcie->parf + PCIE20_PARF_PHY_REFCLK);
353 writel(val, pcie->parf + PCIE20_PARF_PHY_REFCLK);
355 /* wait for clock acquisition */
356 usleep_range(1000, 1500);
359 /* Set the Max TLP size to 2K, instead of using default of 4K */
360 writel(CFG_REMOTE_RD_REQ_BRIDGE_SIZE_2K,
361 pci->dbi_base + PCIE20_AXI_MSTR_RESP_COMP_CTRL0);
362 writel(CFG_BRIDGE_SB_INIT,
363 pci->dbi_base + PCIE20_AXI_MSTR_RESP_COMP_CTRL1);
368 reset_control_assert(res->axi_reset);
370 reset_control_assert(res->por_reset);
372 reset_control_assert(res->pci_reset);
374 reset_control_assert(res->phy_reset);
376 reset_control_assert(res->ext_reset);
378 reset_control_assert(res->ahb_reset);
380 regulator_bulk_disable(ARRAY_SIZE(res->supplies), res->supplies);
385 static int qcom_pcie_get_resources_1_0_0(struct qcom_pcie *pcie)
387 struct qcom_pcie_resources_1_0_0 *res = &pcie->res.v1_0_0;
388 struct dw_pcie *pci = pcie->pci;
389 struct device *dev = pci->dev;
391 res->vdda = devm_regulator_get(dev, "vdda");
392 if (IS_ERR(res->vdda))
393 return PTR_ERR(res->vdda);
395 res->iface = devm_clk_get(dev, "iface");
396 if (IS_ERR(res->iface))
397 return PTR_ERR(res->iface);
399 res->aux = devm_clk_get(dev, "aux");
400 if (IS_ERR(res->aux))
401 return PTR_ERR(res->aux);
403 res->master_bus = devm_clk_get(dev, "master_bus");
404 if (IS_ERR(res->master_bus))
405 return PTR_ERR(res->master_bus);
407 res->slave_bus = devm_clk_get(dev, "slave_bus");
408 if (IS_ERR(res->slave_bus))
409 return PTR_ERR(res->slave_bus);
411 res->core = devm_reset_control_get_exclusive(dev, "core");
412 return PTR_ERR_OR_ZERO(res->core);
415 static void qcom_pcie_deinit_1_0_0(struct qcom_pcie *pcie)
417 struct qcom_pcie_resources_1_0_0 *res = &pcie->res.v1_0_0;
419 reset_control_assert(res->core);
420 clk_disable_unprepare(res->slave_bus);
421 clk_disable_unprepare(res->master_bus);
422 clk_disable_unprepare(res->iface);
423 clk_disable_unprepare(res->aux);
424 regulator_disable(res->vdda);
427 static int qcom_pcie_init_1_0_0(struct qcom_pcie *pcie)
429 struct qcom_pcie_resources_1_0_0 *res = &pcie->res.v1_0_0;
430 struct dw_pcie *pci = pcie->pci;
431 struct device *dev = pci->dev;
434 ret = reset_control_deassert(res->core);
436 dev_err(dev, "cannot deassert core reset\n");
440 ret = clk_prepare_enable(res->aux);
442 dev_err(dev, "cannot prepare/enable aux clock\n");
446 ret = clk_prepare_enable(res->iface);
448 dev_err(dev, "cannot prepare/enable iface clock\n");
452 ret = clk_prepare_enable(res->master_bus);
454 dev_err(dev, "cannot prepare/enable master_bus clock\n");
458 ret = clk_prepare_enable(res->slave_bus);
460 dev_err(dev, "cannot prepare/enable slave_bus clock\n");
464 ret = regulator_enable(res->vdda);
466 dev_err(dev, "cannot enable vdda regulator\n");
470 /* change DBI base address */
471 writel(0, pcie->parf + PCIE20_PARF_DBI_BASE_ADDR);
473 if (IS_ENABLED(CONFIG_PCI_MSI)) {
474 u32 val = readl(pcie->parf + PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT);
477 writel(val, pcie->parf + PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT);
482 clk_disable_unprepare(res->slave_bus);
484 clk_disable_unprepare(res->master_bus);
486 clk_disable_unprepare(res->iface);
488 clk_disable_unprepare(res->aux);
490 reset_control_assert(res->core);
495 static void qcom_pcie_2_3_2_ltssm_enable(struct qcom_pcie *pcie)
499 /* enable link training */
500 val = readl(pcie->parf + PCIE20_PARF_LTSSM);
502 writel(val, pcie->parf + PCIE20_PARF_LTSSM);
505 static int qcom_pcie_get_resources_2_3_2(struct qcom_pcie *pcie)
507 struct qcom_pcie_resources_2_3_2 *res = &pcie->res.v2_3_2;
508 struct dw_pcie *pci = pcie->pci;
509 struct device *dev = pci->dev;
512 res->supplies[0].supply = "vdda";
513 res->supplies[1].supply = "vddpe-3v3";
514 ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(res->supplies),
519 res->aux_clk = devm_clk_get(dev, "aux");
520 if (IS_ERR(res->aux_clk))
521 return PTR_ERR(res->aux_clk);
523 res->cfg_clk = devm_clk_get(dev, "cfg");
524 if (IS_ERR(res->cfg_clk))
525 return PTR_ERR(res->cfg_clk);
527 res->master_clk = devm_clk_get(dev, "bus_master");
528 if (IS_ERR(res->master_clk))
529 return PTR_ERR(res->master_clk);
531 res->slave_clk = devm_clk_get(dev, "bus_slave");
532 if (IS_ERR(res->slave_clk))
533 return PTR_ERR(res->slave_clk);
535 res->pipe_clk = devm_clk_get(dev, "pipe");
536 return PTR_ERR_OR_ZERO(res->pipe_clk);
539 static void qcom_pcie_deinit_2_3_2(struct qcom_pcie *pcie)
541 struct qcom_pcie_resources_2_3_2 *res = &pcie->res.v2_3_2;
543 clk_disable_unprepare(res->slave_clk);
544 clk_disable_unprepare(res->master_clk);
545 clk_disable_unprepare(res->cfg_clk);
546 clk_disable_unprepare(res->aux_clk);
548 regulator_bulk_disable(ARRAY_SIZE(res->supplies), res->supplies);
551 static void qcom_pcie_post_deinit_2_3_2(struct qcom_pcie *pcie)
553 struct qcom_pcie_resources_2_3_2 *res = &pcie->res.v2_3_2;
555 clk_disable_unprepare(res->pipe_clk);
558 static int qcom_pcie_init_2_3_2(struct qcom_pcie *pcie)
560 struct qcom_pcie_resources_2_3_2 *res = &pcie->res.v2_3_2;
561 struct dw_pcie *pci = pcie->pci;
562 struct device *dev = pci->dev;
566 ret = regulator_bulk_enable(ARRAY_SIZE(res->supplies), res->supplies);
568 dev_err(dev, "cannot enable regulators\n");
572 ret = clk_prepare_enable(res->aux_clk);
574 dev_err(dev, "cannot prepare/enable aux clock\n");
578 ret = clk_prepare_enable(res->cfg_clk);
580 dev_err(dev, "cannot prepare/enable cfg clock\n");
584 ret = clk_prepare_enable(res->master_clk);
586 dev_err(dev, "cannot prepare/enable master clock\n");
590 ret = clk_prepare_enable(res->slave_clk);
592 dev_err(dev, "cannot prepare/enable slave clock\n");
596 /* enable PCIe clocks and resets */
597 val = readl(pcie->parf + PCIE20_PARF_PHY_CTRL);
599 writel(val, pcie->parf + PCIE20_PARF_PHY_CTRL);
601 /* change DBI base address */
602 writel(0, pcie->parf + PCIE20_PARF_DBI_BASE_ADDR);
604 /* MAC PHY_POWERDOWN MUX DISABLE */
605 val = readl(pcie->parf + PCIE20_PARF_SYS_CTRL);
607 writel(val, pcie->parf + PCIE20_PARF_SYS_CTRL);
609 val = readl(pcie->parf + PCIE20_PARF_MHI_CLOCK_RESET_CTRL);
611 writel(val, pcie->parf + PCIE20_PARF_MHI_CLOCK_RESET_CTRL);
613 val = readl(pcie->parf + PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT_V2);
615 writel(val, pcie->parf + PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT_V2);
620 clk_disable_unprepare(res->master_clk);
622 clk_disable_unprepare(res->cfg_clk);
624 clk_disable_unprepare(res->aux_clk);
627 regulator_bulk_disable(ARRAY_SIZE(res->supplies), res->supplies);
632 static int qcom_pcie_post_init_2_3_2(struct qcom_pcie *pcie)
634 struct qcom_pcie_resources_2_3_2 *res = &pcie->res.v2_3_2;
635 struct dw_pcie *pci = pcie->pci;
636 struct device *dev = pci->dev;
639 ret = clk_prepare_enable(res->pipe_clk);
641 dev_err(dev, "cannot prepare/enable pipe clock\n");
648 static int qcom_pcie_get_resources_2_4_0(struct qcom_pcie *pcie)
650 struct qcom_pcie_resources_2_4_0 *res = &pcie->res.v2_4_0;
651 struct dw_pcie *pci = pcie->pci;
652 struct device *dev = pci->dev;
653 bool is_ipq = of_device_is_compatible(dev->of_node, "qcom,pcie-ipq4019");
656 res->clks[0].id = "aux";
657 res->clks[1].id = "master_bus";
658 res->clks[2].id = "slave_bus";
659 res->clks[3].id = "iface";
661 /* qcom,pcie-ipq4019 is defined without "iface" */
662 res->num_clks = is_ipq ? 3 : 4;
664 ret = devm_clk_bulk_get(dev, res->num_clks, res->clks);
668 res->axi_m_reset = devm_reset_control_get_exclusive(dev, "axi_m");
669 if (IS_ERR(res->axi_m_reset))
670 return PTR_ERR(res->axi_m_reset);
672 res->axi_s_reset = devm_reset_control_get_exclusive(dev, "axi_s");
673 if (IS_ERR(res->axi_s_reset))
674 return PTR_ERR(res->axi_s_reset);
678 * These resources relates to the PHY or are secure clocks, but
679 * are controlled here for IPQ4019
681 res->pipe_reset = devm_reset_control_get_exclusive(dev, "pipe");
682 if (IS_ERR(res->pipe_reset))
683 return PTR_ERR(res->pipe_reset);
685 res->axi_m_vmid_reset = devm_reset_control_get_exclusive(dev,
687 if (IS_ERR(res->axi_m_vmid_reset))
688 return PTR_ERR(res->axi_m_vmid_reset);
690 res->axi_s_xpu_reset = devm_reset_control_get_exclusive(dev,
692 if (IS_ERR(res->axi_s_xpu_reset))
693 return PTR_ERR(res->axi_s_xpu_reset);
695 res->parf_reset = devm_reset_control_get_exclusive(dev, "parf");
696 if (IS_ERR(res->parf_reset))
697 return PTR_ERR(res->parf_reset);
699 res->phy_reset = devm_reset_control_get_exclusive(dev, "phy");
700 if (IS_ERR(res->phy_reset))
701 return PTR_ERR(res->phy_reset);
704 res->axi_m_sticky_reset = devm_reset_control_get_exclusive(dev,
706 if (IS_ERR(res->axi_m_sticky_reset))
707 return PTR_ERR(res->axi_m_sticky_reset);
709 res->pipe_sticky_reset = devm_reset_control_get_exclusive(dev,
711 if (IS_ERR(res->pipe_sticky_reset))
712 return PTR_ERR(res->pipe_sticky_reset);
714 res->pwr_reset = devm_reset_control_get_exclusive(dev, "pwr");
715 if (IS_ERR(res->pwr_reset))
716 return PTR_ERR(res->pwr_reset);
718 res->ahb_reset = devm_reset_control_get_exclusive(dev, "ahb");
719 if (IS_ERR(res->ahb_reset))
720 return PTR_ERR(res->ahb_reset);
723 res->phy_ahb_reset = devm_reset_control_get_exclusive(dev, "phy_ahb");
724 if (IS_ERR(res->phy_ahb_reset))
725 return PTR_ERR(res->phy_ahb_reset);
731 static void qcom_pcie_deinit_2_4_0(struct qcom_pcie *pcie)
733 struct qcom_pcie_resources_2_4_0 *res = &pcie->res.v2_4_0;
735 reset_control_assert(res->axi_m_reset);
736 reset_control_assert(res->axi_s_reset);
737 reset_control_assert(res->pipe_reset);
738 reset_control_assert(res->pipe_sticky_reset);
739 reset_control_assert(res->phy_reset);
740 reset_control_assert(res->phy_ahb_reset);
741 reset_control_assert(res->axi_m_sticky_reset);
742 reset_control_assert(res->pwr_reset);
743 reset_control_assert(res->ahb_reset);
744 clk_bulk_disable_unprepare(res->num_clks, res->clks);
747 static int qcom_pcie_init_2_4_0(struct qcom_pcie *pcie)
749 struct qcom_pcie_resources_2_4_0 *res = &pcie->res.v2_4_0;
750 struct dw_pcie *pci = pcie->pci;
751 struct device *dev = pci->dev;
755 ret = reset_control_assert(res->axi_m_reset);
757 dev_err(dev, "cannot assert axi master reset\n");
761 ret = reset_control_assert(res->axi_s_reset);
763 dev_err(dev, "cannot assert axi slave reset\n");
767 usleep_range(10000, 12000);
769 ret = reset_control_assert(res->pipe_reset);
771 dev_err(dev, "cannot assert pipe reset\n");
775 ret = reset_control_assert(res->pipe_sticky_reset);
777 dev_err(dev, "cannot assert pipe sticky reset\n");
781 ret = reset_control_assert(res->phy_reset);
783 dev_err(dev, "cannot assert phy reset\n");
787 ret = reset_control_assert(res->phy_ahb_reset);
789 dev_err(dev, "cannot assert phy ahb reset\n");
793 usleep_range(10000, 12000);
795 ret = reset_control_assert(res->axi_m_sticky_reset);
797 dev_err(dev, "cannot assert axi master sticky reset\n");
801 ret = reset_control_assert(res->pwr_reset);
803 dev_err(dev, "cannot assert power reset\n");
807 ret = reset_control_assert(res->ahb_reset);
809 dev_err(dev, "cannot assert ahb reset\n");
813 usleep_range(10000, 12000);
815 ret = reset_control_deassert(res->phy_ahb_reset);
817 dev_err(dev, "cannot deassert phy ahb reset\n");
821 ret = reset_control_deassert(res->phy_reset);
823 dev_err(dev, "cannot deassert phy reset\n");
827 ret = reset_control_deassert(res->pipe_reset);
829 dev_err(dev, "cannot deassert pipe reset\n");
833 ret = reset_control_deassert(res->pipe_sticky_reset);
835 dev_err(dev, "cannot deassert pipe sticky reset\n");
836 goto err_rst_pipe_sticky;
839 usleep_range(10000, 12000);
841 ret = reset_control_deassert(res->axi_m_reset);
843 dev_err(dev, "cannot deassert axi master reset\n");
847 ret = reset_control_deassert(res->axi_m_sticky_reset);
849 dev_err(dev, "cannot deassert axi master sticky reset\n");
850 goto err_rst_axi_m_sticky;
853 ret = reset_control_deassert(res->axi_s_reset);
855 dev_err(dev, "cannot deassert axi slave reset\n");
859 ret = reset_control_deassert(res->pwr_reset);
861 dev_err(dev, "cannot deassert power reset\n");
865 ret = reset_control_deassert(res->ahb_reset);
867 dev_err(dev, "cannot deassert ahb reset\n");
871 usleep_range(10000, 12000);
873 ret = clk_bulk_prepare_enable(res->num_clks, res->clks);
877 /* enable PCIe clocks and resets */
878 val = readl(pcie->parf + PCIE20_PARF_PHY_CTRL);
880 writel(val, pcie->parf + PCIE20_PARF_PHY_CTRL);
882 /* change DBI base address */
883 writel(0, pcie->parf + PCIE20_PARF_DBI_BASE_ADDR);
885 /* MAC PHY_POWERDOWN MUX DISABLE */
886 val = readl(pcie->parf + PCIE20_PARF_SYS_CTRL);
888 writel(val, pcie->parf + PCIE20_PARF_SYS_CTRL);
890 val = readl(pcie->parf + PCIE20_PARF_MHI_CLOCK_RESET_CTRL);
892 writel(val, pcie->parf + PCIE20_PARF_MHI_CLOCK_RESET_CTRL);
894 val = readl(pcie->parf + PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT_V2);
896 writel(val, pcie->parf + PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT_V2);
901 reset_control_assert(res->ahb_reset);
903 reset_control_assert(res->pwr_reset);
905 reset_control_assert(res->axi_s_reset);
907 reset_control_assert(res->axi_m_sticky_reset);
908 err_rst_axi_m_sticky:
909 reset_control_assert(res->axi_m_reset);
911 reset_control_assert(res->pipe_sticky_reset);
913 reset_control_assert(res->pipe_reset);
915 reset_control_assert(res->phy_reset);
917 reset_control_assert(res->phy_ahb_reset);
921 static int qcom_pcie_get_resources_2_3_3(struct qcom_pcie *pcie)
923 struct qcom_pcie_resources_2_3_3 *res = &pcie->res.v2_3_3;
924 struct dw_pcie *pci = pcie->pci;
925 struct device *dev = pci->dev;
927 const char *rst_names[] = { "axi_m", "axi_s", "pipe",
928 "axi_m_sticky", "sticky",
931 res->iface = devm_clk_get(dev, "iface");
932 if (IS_ERR(res->iface))
933 return PTR_ERR(res->iface);
935 res->axi_m_clk = devm_clk_get(dev, "axi_m");
936 if (IS_ERR(res->axi_m_clk))
937 return PTR_ERR(res->axi_m_clk);
939 res->axi_s_clk = devm_clk_get(dev, "axi_s");
940 if (IS_ERR(res->axi_s_clk))
941 return PTR_ERR(res->axi_s_clk);
943 res->ahb_clk = devm_clk_get(dev, "ahb");
944 if (IS_ERR(res->ahb_clk))
945 return PTR_ERR(res->ahb_clk);
947 res->aux_clk = devm_clk_get(dev, "aux");
948 if (IS_ERR(res->aux_clk))
949 return PTR_ERR(res->aux_clk);
951 for (i = 0; i < ARRAY_SIZE(rst_names); i++) {
952 res->rst[i] = devm_reset_control_get(dev, rst_names[i]);
953 if (IS_ERR(res->rst[i]))
954 return PTR_ERR(res->rst[i]);
960 static void qcom_pcie_deinit_2_3_3(struct qcom_pcie *pcie)
962 struct qcom_pcie_resources_2_3_3 *res = &pcie->res.v2_3_3;
964 clk_disable_unprepare(res->iface);
965 clk_disable_unprepare(res->axi_m_clk);
966 clk_disable_unprepare(res->axi_s_clk);
967 clk_disable_unprepare(res->ahb_clk);
968 clk_disable_unprepare(res->aux_clk);
971 static int qcom_pcie_init_2_3_3(struct qcom_pcie *pcie)
973 struct qcom_pcie_resources_2_3_3 *res = &pcie->res.v2_3_3;
974 struct dw_pcie *pci = pcie->pci;
975 struct device *dev = pci->dev;
979 for (i = 0; i < ARRAY_SIZE(res->rst); i++) {
980 ret = reset_control_assert(res->rst[i]);
982 dev_err(dev, "reset #%d assert failed (%d)\n", i, ret);
987 usleep_range(2000, 2500);
989 for (i = 0; i < ARRAY_SIZE(res->rst); i++) {
990 ret = reset_control_deassert(res->rst[i]);
992 dev_err(dev, "reset #%d deassert failed (%d)\n", i,
999 * Don't have a way to see if the reset has completed.
1000 * Wait for some time.
1002 usleep_range(2000, 2500);
1004 ret = clk_prepare_enable(res->iface);
1006 dev_err(dev, "cannot prepare/enable core clock\n");
1010 ret = clk_prepare_enable(res->axi_m_clk);
1012 dev_err(dev, "cannot prepare/enable core clock\n");
1016 ret = clk_prepare_enable(res->axi_s_clk);
1018 dev_err(dev, "cannot prepare/enable axi slave clock\n");
1022 ret = clk_prepare_enable(res->ahb_clk);
1024 dev_err(dev, "cannot prepare/enable ahb clock\n");
1028 ret = clk_prepare_enable(res->aux_clk);
1030 dev_err(dev, "cannot prepare/enable aux clock\n");
1034 writel(SLV_ADDR_SPACE_SZ,
1035 pcie->parf + PCIE20_v3_PARF_SLV_ADDR_SPACE_SIZE);
1037 val = readl(pcie->parf + PCIE20_PARF_PHY_CTRL);
1039 writel(val, pcie->parf + PCIE20_PARF_PHY_CTRL);
1041 writel(0, pcie->parf + PCIE20_PARF_DBI_BASE_ADDR);
1043 writel(MST_WAKEUP_EN | SLV_WAKEUP_EN | MSTR_ACLK_CGC_DIS
1044 | SLV_ACLK_CGC_DIS | CORE_CLK_CGC_DIS |
1045 AUX_PWR_DET | L23_CLK_RMV_DIS | L1_CLK_RMV_DIS,
1046 pcie->parf + PCIE20_PARF_SYS_CTRL);
1047 writel(0, pcie->parf + PCIE20_PARF_Q2A_FLUSH);
1049 writel(CMD_BME_VAL, pci->dbi_base + PCIE20_COMMAND_STATUS);
1050 writel(DBI_RO_WR_EN, pci->dbi_base + PCIE20_MISC_CONTROL_1_REG);
1051 writel(PCIE_CAP_LINK1_VAL, pci->dbi_base + PCIE20_CAP_LINK_1);
1053 val = readl(pci->dbi_base + PCIE20_CAP_LINK_CAPABILITIES);
1054 val &= ~PCIE20_CAP_ACTIVE_STATE_LINK_PM_SUPPORT;
1055 writel(val, pci->dbi_base + PCIE20_CAP_LINK_CAPABILITIES);
1057 writel(PCIE_CAP_CPL_TIMEOUT_DISABLE, pci->dbi_base +
1058 PCIE20_DEVICE_CONTROL2_STATUS2);
1063 clk_disable_unprepare(res->ahb_clk);
1065 clk_disable_unprepare(res->axi_s_clk);
1067 clk_disable_unprepare(res->axi_m_clk);
1069 clk_disable_unprepare(res->iface);
1072 * Not checking for failure, will anyway return
1073 * the original failure in 'ret'.
1075 for (i = 0; i < ARRAY_SIZE(res->rst); i++)
1076 reset_control_assert(res->rst[i]);
1081 static int qcom_pcie_get_resources_2_7_0(struct qcom_pcie *pcie)
1083 struct qcom_pcie_resources_2_7_0 *res = &pcie->res.v2_7_0;
1084 struct dw_pcie *pci = pcie->pci;
1085 struct device *dev = pci->dev;
1088 res->pci_reset = devm_reset_control_get_exclusive(dev, "pci");
1089 if (IS_ERR(res->pci_reset))
1090 return PTR_ERR(res->pci_reset);
1092 res->supplies[0].supply = "vdda";
1093 res->supplies[1].supply = "vddpe-3v3";
1094 ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(res->supplies),
1099 res->clks[0].id = "aux";
1100 res->clks[1].id = "cfg";
1101 res->clks[2].id = "bus_master";
1102 res->clks[3].id = "bus_slave";
1103 res->clks[4].id = "slave_q2a";
1104 res->clks[5].id = "tbu";
1106 ret = devm_clk_bulk_get(dev, ARRAY_SIZE(res->clks), res->clks);
1110 res->pipe_clk = devm_clk_get(dev, "pipe");
1111 return PTR_ERR_OR_ZERO(res->pipe_clk);
1114 static int qcom_pcie_init_2_7_0(struct qcom_pcie *pcie)
1116 struct qcom_pcie_resources_2_7_0 *res = &pcie->res.v2_7_0;
1117 struct dw_pcie *pci = pcie->pci;
1118 struct device *dev = pci->dev;
1122 ret = regulator_bulk_enable(ARRAY_SIZE(res->supplies), res->supplies);
1124 dev_err(dev, "cannot enable regulators\n");
1128 ret = clk_bulk_prepare_enable(ARRAY_SIZE(res->clks), res->clks);
1130 goto err_disable_regulators;
1132 ret = reset_control_assert(res->pci_reset);
1134 dev_err(dev, "cannot deassert pci reset\n");
1135 goto err_disable_clocks;
1138 usleep_range(1000, 1500);
1140 ret = reset_control_deassert(res->pci_reset);
1142 dev_err(dev, "cannot deassert pci reset\n");
1143 goto err_disable_clocks;
1146 ret = clk_prepare_enable(res->pipe_clk);
1148 dev_err(dev, "cannot prepare/enable pipe clock\n");
1149 goto err_disable_clocks;
1152 /* configure PCIe to RC mode */
1153 writel(DEVICE_TYPE_RC, pcie->parf + PCIE20_PARF_DEVICE_TYPE);
1155 /* enable PCIe clocks and resets */
1156 val = readl(pcie->parf + PCIE20_PARF_PHY_CTRL);
1158 writel(val, pcie->parf + PCIE20_PARF_PHY_CTRL);
1160 /* change DBI base address */
1161 writel(0, pcie->parf + PCIE20_PARF_DBI_BASE_ADDR);
1163 /* MAC PHY_POWERDOWN MUX DISABLE */
1164 val = readl(pcie->parf + PCIE20_PARF_SYS_CTRL);
1166 writel(val, pcie->parf + PCIE20_PARF_SYS_CTRL);
1168 val = readl(pcie->parf + PCIE20_PARF_MHI_CLOCK_RESET_CTRL);
1170 writel(val, pcie->parf + PCIE20_PARF_MHI_CLOCK_RESET_CTRL);
1172 if (IS_ENABLED(CONFIG_PCI_MSI)) {
1173 val = readl(pcie->parf + PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT);
1175 writel(val, pcie->parf + PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT);
1180 clk_bulk_disable_unprepare(ARRAY_SIZE(res->clks), res->clks);
1181 err_disable_regulators:
1182 regulator_bulk_disable(ARRAY_SIZE(res->supplies), res->supplies);
1187 static void qcom_pcie_deinit_2_7_0(struct qcom_pcie *pcie)
1189 struct qcom_pcie_resources_2_7_0 *res = &pcie->res.v2_7_0;
1191 clk_bulk_disable_unprepare(ARRAY_SIZE(res->clks), res->clks);
1192 regulator_bulk_disable(ARRAY_SIZE(res->supplies), res->supplies);
1195 static int qcom_pcie_post_init_2_7_0(struct qcom_pcie *pcie)
1197 struct qcom_pcie_resources_2_7_0 *res = &pcie->res.v2_7_0;
1199 return clk_prepare_enable(res->pipe_clk);
1202 static void qcom_pcie_post_deinit_2_7_0(struct qcom_pcie *pcie)
1204 struct qcom_pcie_resources_2_7_0 *res = &pcie->res.v2_7_0;
1206 clk_disable_unprepare(res->pipe_clk);
1209 static int qcom_pcie_link_up(struct dw_pcie *pci)
1211 u16 val = readw(pci->dbi_base + PCIE20_CAP + PCI_EXP_LNKSTA);
1213 return !!(val & PCI_EXP_LNKSTA_DLLLA);
1216 static int qcom_pcie_host_init(struct pcie_port *pp)
1218 struct dw_pcie *pci = to_dw_pcie_from_pp(pp);
1219 struct qcom_pcie *pcie = to_qcom_pcie(pci);
1222 qcom_ep_reset_assert(pcie);
1224 ret = pcie->ops->init(pcie);
1228 ret = phy_power_on(pcie->phy);
1232 if (pcie->ops->post_init) {
1233 ret = pcie->ops->post_init(pcie);
1235 goto err_disable_phy;
1238 dw_pcie_setup_rc(pp);
1240 if (IS_ENABLED(CONFIG_PCI_MSI))
1241 dw_pcie_msi_init(pp);
1243 qcom_ep_reset_deassert(pcie);
1245 ret = qcom_pcie_establish_link(pcie);
1251 qcom_ep_reset_assert(pcie);
1252 if (pcie->ops->post_deinit)
1253 pcie->ops->post_deinit(pcie);
1255 phy_power_off(pcie->phy);
1257 pcie->ops->deinit(pcie);
1262 static const struct dw_pcie_host_ops qcom_pcie_dw_ops = {
1263 .host_init = qcom_pcie_host_init,
1266 /* Qcom IP rev.: 2.1.0 Synopsys IP rev.: 4.01a */
1267 static const struct qcom_pcie_ops ops_2_1_0 = {
1268 .get_resources = qcom_pcie_get_resources_2_1_0,
1269 .init = qcom_pcie_init_2_1_0,
1270 .deinit = qcom_pcie_deinit_2_1_0,
1271 .ltssm_enable = qcom_pcie_2_1_0_ltssm_enable,
1274 /* Qcom IP rev.: 1.0.0 Synopsys IP rev.: 4.11a */
1275 static const struct qcom_pcie_ops ops_1_0_0 = {
1276 .get_resources = qcom_pcie_get_resources_1_0_0,
1277 .init = qcom_pcie_init_1_0_0,
1278 .deinit = qcom_pcie_deinit_1_0_0,
1279 .ltssm_enable = qcom_pcie_2_1_0_ltssm_enable,
1282 /* Qcom IP rev.: 2.3.2 Synopsys IP rev.: 4.21a */
1283 static const struct qcom_pcie_ops ops_2_3_2 = {
1284 .get_resources = qcom_pcie_get_resources_2_3_2,
1285 .init = qcom_pcie_init_2_3_2,
1286 .post_init = qcom_pcie_post_init_2_3_2,
1287 .deinit = qcom_pcie_deinit_2_3_2,
1288 .post_deinit = qcom_pcie_post_deinit_2_3_2,
1289 .ltssm_enable = qcom_pcie_2_3_2_ltssm_enable,
1292 /* Qcom IP rev.: 2.4.0 Synopsys IP rev.: 4.20a */
1293 static const struct qcom_pcie_ops ops_2_4_0 = {
1294 .get_resources = qcom_pcie_get_resources_2_4_0,
1295 .init = qcom_pcie_init_2_4_0,
1296 .deinit = qcom_pcie_deinit_2_4_0,
1297 .ltssm_enable = qcom_pcie_2_3_2_ltssm_enable,
1300 /* Qcom IP rev.: 2.3.3 Synopsys IP rev.: 4.30a */
1301 static const struct qcom_pcie_ops ops_2_3_3 = {
1302 .get_resources = qcom_pcie_get_resources_2_3_3,
1303 .init = qcom_pcie_init_2_3_3,
1304 .deinit = qcom_pcie_deinit_2_3_3,
1305 .ltssm_enable = qcom_pcie_2_3_2_ltssm_enable,
1308 /* Qcom IP rev.: 2.7.0 Synopsys IP rev.: 4.30a */
1309 static const struct qcom_pcie_ops ops_2_7_0 = {
1310 .get_resources = qcom_pcie_get_resources_2_7_0,
1311 .init = qcom_pcie_init_2_7_0,
1312 .deinit = qcom_pcie_deinit_2_7_0,
1313 .ltssm_enable = qcom_pcie_2_3_2_ltssm_enable,
1314 .post_init = qcom_pcie_post_init_2_7_0,
1315 .post_deinit = qcom_pcie_post_deinit_2_7_0,
1318 static const struct dw_pcie_ops dw_pcie_ops = {
1319 .link_up = qcom_pcie_link_up,
1322 static int qcom_pcie_probe(struct platform_device *pdev)
1324 struct device *dev = &pdev->dev;
1325 struct resource *res;
1326 struct pcie_port *pp;
1327 struct dw_pcie *pci;
1328 struct qcom_pcie *pcie;
1331 pcie = devm_kzalloc(dev, sizeof(*pcie), GFP_KERNEL);
1335 pci = devm_kzalloc(dev, sizeof(*pci), GFP_KERNEL);
1339 pm_runtime_enable(dev);
1340 ret = pm_runtime_get_sync(dev);
1342 pm_runtime_disable(dev);
1347 pci->ops = &dw_pcie_ops;
1352 pcie->ops = of_device_get_match_data(dev);
1354 pcie->reset = devm_gpiod_get_optional(dev, "perst", GPIOD_OUT_HIGH);
1355 if (IS_ERR(pcie->reset)) {
1356 ret = PTR_ERR(pcie->reset);
1357 goto err_pm_runtime_put;
1360 res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "parf");
1361 pcie->parf = devm_ioremap_resource(dev, res);
1362 if (IS_ERR(pcie->parf)) {
1363 ret = PTR_ERR(pcie->parf);
1364 goto err_pm_runtime_put;
1367 res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dbi");
1368 pci->dbi_base = devm_pci_remap_cfg_resource(dev, res);
1369 if (IS_ERR(pci->dbi_base)) {
1370 ret = PTR_ERR(pci->dbi_base);
1371 goto err_pm_runtime_put;
1374 res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "elbi");
1375 pcie->elbi = devm_ioremap_resource(dev, res);
1376 if (IS_ERR(pcie->elbi)) {
1377 ret = PTR_ERR(pcie->elbi);
1378 goto err_pm_runtime_put;
1381 pcie->phy = devm_phy_optional_get(dev, "pciephy");
1382 if (IS_ERR(pcie->phy)) {
1383 ret = PTR_ERR(pcie->phy);
1384 goto err_pm_runtime_put;
1387 ret = pcie->ops->get_resources(pcie);
1389 goto err_pm_runtime_put;
1391 pp->ops = &qcom_pcie_dw_ops;
1393 if (IS_ENABLED(CONFIG_PCI_MSI)) {
1394 pp->msi_irq = platform_get_irq_byname(pdev, "msi");
1395 if (pp->msi_irq < 0) {
1397 goto err_pm_runtime_put;
1401 ret = phy_init(pcie->phy);
1403 pm_runtime_disable(&pdev->dev);
1404 goto err_pm_runtime_put;
1407 platform_set_drvdata(pdev, pcie);
1409 ret = dw_pcie_host_init(pp);
1411 dev_err(dev, "cannot initialize host\n");
1412 pm_runtime_disable(&pdev->dev);
1413 goto err_pm_runtime_put;
1419 pm_runtime_put(dev);
1420 pm_runtime_disable(dev);
1425 static const struct of_device_id qcom_pcie_match[] = {
1426 { .compatible = "qcom,pcie-apq8084", .data = &ops_1_0_0 },
1427 { .compatible = "qcom,pcie-ipq8064", .data = &ops_2_1_0 },
1428 { .compatible = "qcom,pcie-apq8064", .data = &ops_2_1_0 },
1429 { .compatible = "qcom,pcie-msm8996", .data = &ops_2_3_2 },
1430 { .compatible = "qcom,pcie-ipq8074", .data = &ops_2_3_3 },
1431 { .compatible = "qcom,pcie-ipq4019", .data = &ops_2_4_0 },
1432 { .compatible = "qcom,pcie-qcs404", .data = &ops_2_4_0 },
1433 { .compatible = "qcom,pcie-sdm845", .data = &ops_2_7_0 },
1437 static void qcom_fixup_class(struct pci_dev *dev)
1439 dev->class = PCI_CLASS_BRIDGE_PCI << 8;
1441 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, 0x0101, qcom_fixup_class);
1442 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, 0x0104, qcom_fixup_class);
1443 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, 0x0106, qcom_fixup_class);
1444 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, 0x0107, qcom_fixup_class);
1445 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, 0x0302, qcom_fixup_class);
1446 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, 0x1000, qcom_fixup_class);
1447 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, 0x1001, qcom_fixup_class);
1449 static struct platform_driver qcom_pcie_driver = {
1450 .probe = qcom_pcie_probe,
1452 .name = "qcom-pcie",
1453 .suppress_bind_attrs = true,
1454 .of_match_table = qcom_pcie_match,
1457 builtin_platform_driver(qcom_pcie_driver);