~hc/RK356X_SDK_RELEASE.git

..	..	@@ -27,6 +27,7 @@
27	27	#include <linux/slab.h>
28	28	#include <linux/types.h>
29	29
	30	+#include "../../pci.h"
30	31	#include "pcie-designware.h"
31	32
32	33	#define PCIE20_PARF_SYS_CTRL 0x00
..	..	@@ -38,11 +39,6 @@
38	39	#define AUX_PWR_DET BIT(4)
39	40	#define L23_CLK_RMV_DIS BIT(2)
40	41	#define L1_CLK_RMV_DIS BIT(1)
41		-
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
46	42
47	43	#define PCIE20_PARF_PHY_CTRL 0x40
48	44	#define PHY_CTRL_PHY_TX0_TERM_OFFSET_MASK GENMASK(20, 16)
..	..	@@ -60,6 +56,7 @@
60	56	#define PCIE20_PARF_LTSSM 0x1B0
61	57	#define PCIE20_PARF_SID_OFFSET 0x234
62	58	#define PCIE20_PARF_BDF_TRANSLATE_CFG 0x24C
	59	+#define PCIE20_PARF_DEVICE_TYPE 0x1000
63	60
64	61	#define PCIE20_ELBI_SYS_CTRL 0x04
65	62	#define PCIE20_ELBI_SYS_CTRL_LT_ENABLE BIT(0)
..	..	@@ -70,10 +67,6 @@
70	67	#define PCIE20_AXI_MSTR_RESP_COMP_CTRL1 0x81c
71	68	#define CFG_BRIDGE_SB_INIT BIT(0)
72	69
73		-#define PCIE20_CAP 0x70
74		-#define PCIE20_CAP_LINK_CAPABILITIES (PCIE20_CAP + 0xC)
75		-#define PCIE20_CAP_ACTIVE_STATE_LINK_PM_SUPPORT (BIT(10) \| BIT(11))
76		-#define PCIE20_CAP_LINK_1 (PCIE20_CAP + 0x14)
77	70	#define PCIE_CAP_LINK1_VAL 0x2FD7F
78	71
79	72	#define PCIE20_PARF_Q2A_FLUSH 0x1AC
..	..	@@ -98,11 +91,14 @@
98	91	#define PCIE20_v3_PARF_SLV_ADDR_SPACE_SIZE 0x358
99	92	#define SLV_ADDR_SPACE_SZ 0x10000000
100	93
	94	+#define PCIE20_LNK_CONTROL2_LINK_STATUS2 0xa0
	95	+
	96	+#define DEVICE_TYPE_RC 0x4
	97	+
101	98	#define QCOM_PCIE_2_1_0_MAX_SUPPLY 3
	99	+#define QCOM_PCIE_2_1_0_MAX_CLOCKS 5
102	100	struct qcom_pcie_resources_2_1_0 {
103		- struct clk *iface_clk;
104		- struct clk *core_clk;
105		- struct clk *phy_clk;
	101	+ struct clk_bulk_data clks[QCOM_PCIE_2_1_0_MAX_CLOCKS];
106	102	struct reset_control *pci_reset;
107	103	struct reset_control *axi_reset;
108	104	struct reset_control *ahb_reset;
..	..	@@ -131,10 +127,10 @@
131	127	struct regulator_bulk_data supplies[QCOM_PCIE_2_3_2_MAX_SUPPLY];
132	128	};
133	129
	130	+#define QCOM_PCIE_2_4_0_MAX_CLOCKS 4
134	131	struct qcom_pcie_resources_2_4_0 {
135		- struct clk *aux_clk;
136		- struct clk *master_clk;
137		- struct clk *slave_clk;
	132	+ struct clk_bulk_data clks[QCOM_PCIE_2_4_0_MAX_CLOCKS];
	133	+ int num_clks;
138	134	struct reset_control *axi_m_reset;
139	135	struct reset_control *axi_s_reset;
140	136	struct reset_control *pipe_reset;
..	..	@@ -158,12 +154,20 @@
158	154	struct reset_control *rst[7];
159	155	};
160	156
	157	+struct qcom_pcie_resources_2_7_0 {
	158	+ struct clk_bulk_data clks[6];
	159	+ struct regulator_bulk_data supplies[2];
	160	+ struct reset_control *pci_reset;
	161	+ struct clk *pipe_clk;
	162	+};
	163	+
161	164	union qcom_pcie_resources {
162	165	struct qcom_pcie_resources_1_0_0 v1_0_0;
163	166	struct qcom_pcie_resources_2_1_0 v2_1_0;
164	167	struct qcom_pcie_resources_2_3_2 v2_3_2;
165	168	struct qcom_pcie_resources_2_3_3 v2_3_3;
166	169	struct qcom_pcie_resources_2_4_0 v2_4_0;
	170	+ struct qcom_pcie_resources_2_7_0 v2_7_0;
167	171	};
168	172
169	173	struct qcom_pcie;
..	..	@@ -242,17 +246,21 @@
242	246	if (ret)
243	247	return ret;
244	248
245		- res->iface_clk = devm_clk_get(dev, "iface");
246		- if (IS_ERR(res->iface_clk))
247		- return PTR_ERR(res->iface_clk);
	249	+ res->clks[0].id = "iface";
	250	+ res->clks[1].id = "core";
	251	+ res->clks[2].id = "phy";
	252	+ res->clks[3].id = "aux";
	253	+ res->clks[4].id = "ref";
248	254
249		- res->core_clk = devm_clk_get(dev, "core");
250		- if (IS_ERR(res->core_clk))
251		- return PTR_ERR(res->core_clk);
	255	+ /* iface, core, phy are required */
	256	+ ret = devm_clk_bulk_get(dev, 3, res->clks);
	257	+ if (ret < 0)
	258	+ return ret;
252	259
253		- res->phy_clk = devm_clk_get(dev, "phy");
254		- if (IS_ERR(res->phy_clk))
255		- return PTR_ERR(res->phy_clk);
	260	+ /* aux, ref are optional */
	261	+ ret = devm_clk_bulk_get_optional(dev, 2, res->clks + 3);
	262	+ if (ret < 0)
	263	+ return ret;
256	264
257	265	res->pci_reset = devm_reset_control_get_exclusive(dev, "pci");
258	266	if (IS_ERR(res->pci_reset))
..	..	@@ -282,15 +290,16 @@
282	290	{
283	291	struct qcom_pcie_resources_2_1_0 *res = &pcie->res.v2_1_0;
284	292
	293	+ clk_bulk_disable_unprepare(ARRAY_SIZE(res->clks), res->clks);
285	294	reset_control_assert(res->pci_reset);
286	295	reset_control_assert(res->axi_reset);
287	296	reset_control_assert(res->ahb_reset);
288	297	reset_control_assert(res->por_reset);
289	298	reset_control_assert(res->ext_reset);
290		- reset_control_assert(res->pci_reset);
291		- clk_disable_unprepare(res->iface_clk);
292		- clk_disable_unprepare(res->core_clk);
293		- clk_disable_unprepare(res->phy_clk);
	299	+ reset_control_assert(res->phy_reset);
	300	+
	301	+ writel(1, pcie->parf + PCIE20_PARF_PHY_CTRL);
	302	+
294	303	regulator_bulk_disable(ARRAY_SIZE(res->supplies), res->supplies);
295	304	}
296	305
..	..	@@ -303,34 +312,18 @@
303	312	u32 val;
304	313	int ret;
305	314
	315	+ /* reset the PCIe interface as uboot can leave it undefined state */
	316	+ reset_control_assert(res->pci_reset);
	317	+ reset_control_assert(res->axi_reset);
	318	+ reset_control_assert(res->ahb_reset);
	319	+ reset_control_assert(res->por_reset);
	320	+ reset_control_assert(res->ext_reset);
	321	+ reset_control_assert(res->phy_reset);
	322	+
306	323	ret = regulator_bulk_enable(ARRAY_SIZE(res->supplies), res->supplies);
307	324	if (ret < 0) {
308	325	dev_err(dev, "cannot enable regulators\n");
309	326	return ret;
310		- }
311		-
312		- ret = reset_control_assert(res->ahb_reset);
313		- if (ret) {
314		- dev_err(dev, "cannot assert ahb reset\n");
315		- goto err_assert_ahb;
316		- }
317		-
318		- ret = clk_prepare_enable(res->iface_clk);
319		- if (ret) {
320		- dev_err(dev, "cannot prepare/enable iface clock\n");
321		- goto err_assert_ahb;
322		- }
323		-
324		- ret = clk_prepare_enable(res->phy_clk);
325		- if (ret) {
326		- dev_err(dev, "cannot prepare/enable phy clock\n");
327		- goto err_clk_phy;
328		- }
329		-
330		- ret = clk_prepare_enable(res->core_clk);
331		- if (ret) {
332		- dev_err(dev, "cannot prepare/enable core clock\n");
333		- goto err_clk_core;
334	327	}
335	328
336	329	ret = reset_control_deassert(res->ahb_reset);
..	..	@@ -342,7 +335,31 @@
342	335	ret = reset_control_deassert(res->ext_reset);
343	336	if (ret) {
344	337	dev_err(dev, "cannot deassert ext reset\n");
345		- goto err_deassert_ahb;
	338	+ goto err_deassert_ext;
	339	+ }
	340	+
	341	+ ret = reset_control_deassert(res->phy_reset);
	342	+ if (ret) {
	343	+ dev_err(dev, "cannot deassert phy reset\n");
	344	+ goto err_deassert_phy;
	345	+ }
	346	+
	347	+ ret = reset_control_deassert(res->pci_reset);
	348	+ if (ret) {
	349	+ dev_err(dev, "cannot deassert pci reset\n");
	350	+ goto err_deassert_pci;
	351	+ }
	352	+
	353	+ ret = reset_control_deassert(res->por_reset);
	354	+ if (ret) {
	355	+ dev_err(dev, "cannot deassert por reset\n");
	356	+ goto err_deassert_por;
	357	+ }
	358	+
	359	+ ret = reset_control_deassert(res->axi_reset);
	360	+ if (ret) {
	361	+ dev_err(dev, "cannot deassert axi reset\n");
	362	+ goto err_deassert_axi;
346	363	}
347	364
348	365	/* enable PCIe clocks and resets */
..	..	@@ -350,7 +367,12 @@
350	367	val &= ~BIT(0);
351	368	writel(val, pcie->parf + PCIE20_PARF_PHY_CTRL);
352	369
353		- if (of_device_is_compatible(node, "qcom,pcie-ipq8064")) {
	370	+ ret = clk_bulk_prepare_enable(ARRAY_SIZE(res->clks), res->clks);
	371	+ if (ret)
	372	+ goto err_clks;
	373	+
	374	+ if (of_device_is_compatible(node, "qcom,pcie-ipq8064") \|\|
	375	+ of_device_is_compatible(node, "qcom,pcie-ipq8064-v2")) {
354	376	writel(PCS_DEEMPH_TX_DEEMPH_GEN1(24) \|
355	377	PCS_DEEMPH_TX_DEEMPH_GEN2_3_5DB(24) \|
356	378	PCS_DEEMPH_TX_DEEMPH_GEN2_6DB(34),
..	..	@@ -377,33 +399,8 @@
377	399	val \|= PHY_REFCLK_SSP_EN;
378	400	writel(val, pcie->parf + PCIE20_PARF_PHY_REFCLK);
379	401
380		- ret = reset_control_deassert(res->phy_reset);
381		- if (ret) {
382		- dev_err(dev, "cannot deassert phy reset\n");
383		- return ret;
384		- }
385		-
386		- ret = reset_control_deassert(res->pci_reset);
387		- if (ret) {
388		- dev_err(dev, "cannot deassert pci reset\n");
389		- return ret;
390		- }
391		-
392		- ret = reset_control_deassert(res->por_reset);
393		- if (ret) {
394		- dev_err(dev, "cannot deassert por reset\n");
395		- return ret;
396		- }
397		-
398		- ret = reset_control_deassert(res->axi_reset);
399		- if (ret) {
400		- dev_err(dev, "cannot deassert axi reset\n");
401		- return ret;
402		- }
403		-
404	402	/* wait for clock acquisition */
405	403	usleep_range(1000, 1500);
406		-
407	404
408	405	/* Set the Max TLP size to 2K, instead of using default of 4K */
409	406	writel(CFG_REMOTE_RD_REQ_BRIDGE_SIZE_2K,
..	..	@@ -413,13 +410,19 @@
413	410
414	411	return 0;
415	412
	413	+err_clks:
	414	+ reset_control_assert(res->axi_reset);
	415	+err_deassert_axi:
	416	+ reset_control_assert(res->por_reset);
	417	+err_deassert_por:
	418	+ reset_control_assert(res->pci_reset);
	419	+err_deassert_pci:
	420	+ reset_control_assert(res->phy_reset);
	421	+err_deassert_phy:
	422	+ reset_control_assert(res->ext_reset);
	423	+err_deassert_ext:
	424	+ reset_control_assert(res->ahb_reset);
416	425	err_deassert_ahb:
417		- clk_disable_unprepare(res->core_clk);
418		-err_clk_core:
419		- clk_disable_unprepare(res->phy_clk);
420		-err_clk_phy:
421		- clk_disable_unprepare(res->iface_clk);
422		-err_assert_ahb:
423	426	regulator_bulk_disable(ARRAY_SIZE(res->supplies), res->supplies);
424	427
425	428	return ret;
..	..	@@ -693,18 +696,20 @@
693	696	struct qcom_pcie_resources_2_4_0 *res = &pcie->res.v2_4_0;
694	697	struct dw_pcie *pci = pcie->pci;
695	698	struct device *dev = pci->dev;
	699	+ bool is_ipq = of_device_is_compatible(dev->of_node, "qcom,pcie-ipq4019");
	700	+ int ret;
696	701
697		- res->aux_clk = devm_clk_get(dev, "aux");
698		- if (IS_ERR(res->aux_clk))
699		- return PTR_ERR(res->aux_clk);
	702	+ res->clks[0].id = "aux";
	703	+ res->clks[1].id = "master_bus";
	704	+ res->clks[2].id = "slave_bus";
	705	+ res->clks[3].id = "iface";
700	706
701		- res->master_clk = devm_clk_get(dev, "master_bus");
702		- if (IS_ERR(res->master_clk))
703		- return PTR_ERR(res->master_clk);
	707	+ /* qcom,pcie-ipq4019 is defined without "iface" */
	708	+ res->num_clks = is_ipq ? 3 : 4;
704	709
705		- res->slave_clk = devm_clk_get(dev, "slave_bus");
706		- if (IS_ERR(res->slave_clk))
707		- return PTR_ERR(res->slave_clk);
	710	+ ret = devm_clk_bulk_get(dev, res->num_clks, res->clks);
	711	+ if (ret < 0)
	712	+ return ret;
708	713
709	714	res->axi_m_reset = devm_reset_control_get_exclusive(dev, "axi_m");
710	715	if (IS_ERR(res->axi_m_reset))
..	..	@@ -714,27 +719,33 @@
714	719	if (IS_ERR(res->axi_s_reset))
715	720	return PTR_ERR(res->axi_s_reset);
716	721
717		- res->pipe_reset = devm_reset_control_get_exclusive(dev, "pipe");
718		- if (IS_ERR(res->pipe_reset))
719		- return PTR_ERR(res->pipe_reset);
	722	+ if (is_ipq) {
	723	+ /*
	724	+ * These resources relates to the PHY or are secure clocks, but
	725	+ * are controlled here for IPQ4019
	726	+ */
	727	+ res->pipe_reset = devm_reset_control_get_exclusive(dev, "pipe");
	728	+ if (IS_ERR(res->pipe_reset))
	729	+ return PTR_ERR(res->pipe_reset);
720	730
721		- res->axi_m_vmid_reset = devm_reset_control_get_exclusive(dev,
722		- "axi_m_vmid");
723		- if (IS_ERR(res->axi_m_vmid_reset))
724		- return PTR_ERR(res->axi_m_vmid_reset);
	731	+ res->axi_m_vmid_reset = devm_reset_control_get_exclusive(dev,
	732	+ "axi_m_vmid");
	733	+ if (IS_ERR(res->axi_m_vmid_reset))
	734	+ return PTR_ERR(res->axi_m_vmid_reset);
725	735
726		- res->axi_s_xpu_reset = devm_reset_control_get_exclusive(dev,
727		- "axi_s_xpu");
728		- if (IS_ERR(res->axi_s_xpu_reset))
729		- return PTR_ERR(res->axi_s_xpu_reset);
	736	+ res->axi_s_xpu_reset = devm_reset_control_get_exclusive(dev,
	737	+ "axi_s_xpu");
	738	+ if (IS_ERR(res->axi_s_xpu_reset))
	739	+ return PTR_ERR(res->axi_s_xpu_reset);
730	740
731		- res->parf_reset = devm_reset_control_get_exclusive(dev, "parf");
732		- if (IS_ERR(res->parf_reset))
733		- return PTR_ERR(res->parf_reset);
	741	+ res->parf_reset = devm_reset_control_get_exclusive(dev, "parf");
	742	+ if (IS_ERR(res->parf_reset))
	743	+ return PTR_ERR(res->parf_reset);
734	744
735		- res->phy_reset = devm_reset_control_get_exclusive(dev, "phy");
736		- if (IS_ERR(res->phy_reset))
737		- return PTR_ERR(res->phy_reset);
	745	+ res->phy_reset = devm_reset_control_get_exclusive(dev, "phy");
	746	+ if (IS_ERR(res->phy_reset))
	747	+ return PTR_ERR(res->phy_reset);
	748	+ }
738	749
739	750	res->axi_m_sticky_reset = devm_reset_control_get_exclusive(dev,
740	751	"axi_m_sticky");
..	..	@@ -754,9 +765,11 @@
754	765	if (IS_ERR(res->ahb_reset))
755	766	return PTR_ERR(res->ahb_reset);
756	767
757		- res->phy_ahb_reset = devm_reset_control_get_exclusive(dev, "phy_ahb");
758		- if (IS_ERR(res->phy_ahb_reset))
759		- return PTR_ERR(res->phy_ahb_reset);
	768	+ if (is_ipq) {
	769	+ res->phy_ahb_reset = devm_reset_control_get_exclusive(dev, "phy_ahb");
	770	+ if (IS_ERR(res->phy_ahb_reset))
	771	+ return PTR_ERR(res->phy_ahb_reset);
	772	+ }
760	773
761	774	return 0;
762	775	}
..	..	@@ -774,9 +787,7 @@
774	787	reset_control_assert(res->axi_m_sticky_reset);
775	788	reset_control_assert(res->pwr_reset);
776	789	reset_control_assert(res->ahb_reset);
777		- clk_disable_unprepare(res->aux_clk);
778		- clk_disable_unprepare(res->master_clk);
779		- clk_disable_unprepare(res->slave_clk);
	790	+ clk_bulk_disable_unprepare(res->num_clks, res->clks);
780	791	}
781	792
782	793	static int qcom_pcie_init_2_4_0(struct qcom_pcie *pcie)
..	..	@@ -905,23 +916,9 @@
905	916
906	917	usleep_range(10000, 12000);
907	918
908		- ret = clk_prepare_enable(res->aux_clk);
909		- if (ret) {
910		- dev_err(dev, "cannot prepare/enable iface clock\n");
911		- goto err_clk_aux;
912		- }
913		-
914		- ret = clk_prepare_enable(res->master_clk);
915		- if (ret) {
916		- dev_err(dev, "cannot prepare/enable core clock\n");
917		- goto err_clk_axi_m;
918		- }
919		-
920		- ret = clk_prepare_enable(res->slave_clk);
921		- if (ret) {
922		- dev_err(dev, "cannot prepare/enable phy clock\n");
923		- goto err_clk_axi_s;
924		- }
	919	+ ret = clk_bulk_prepare_enable(res->num_clks, res->clks);
	920	+ if (ret)
	921	+ goto err_clks;
925	922
926	923	/* enable PCIe clocks and resets */
927	924	val = readl(pcie->parf + PCIE20_PARF_PHY_CTRL);
..	..	@@ -946,11 +943,7 @@
946	943
947	944	return 0;
948	945
949		-err_clk_axi_s:
950		- clk_disable_unprepare(res->master_clk);
951		-err_clk_axi_m:
952		- clk_disable_unprepare(res->aux_clk);
953		-err_clk_aux:
	946	+err_clks:
954	947	reset_control_assert(res->ahb_reset);
955	948	err_rst_ahb:
956	949	reset_control_assert(res->pwr_reset);
..	..	@@ -1026,6 +1019,7 @@
1026	1019	struct qcom_pcie_resources_2_3_3 *res = &pcie->res.v2_3_3;
1027	1020	struct dw_pcie *pci = pcie->pci;
1028	1021	struct device *dev = pci->dev;
	1022	+ u16 offset = dw_pcie_find_capability(pci, PCI_CAP_ID_EXP);
1029	1023	int i, ret;
1030	1024	u32 val;
1031	1025
..	..	@@ -1099,16 +1093,16 @@
1099	1093	pcie->parf + PCIE20_PARF_SYS_CTRL);
1100	1094	writel(0, pcie->parf + PCIE20_PARF_Q2A_FLUSH);
1101	1095
1102		- writel(CMD_BME_VAL, pci->dbi_base + PCIE20_COMMAND_STATUS);
	1096	+ writel(PCI_COMMAND_MASTER, pci->dbi_base + PCI_COMMAND);
1103	1097	writel(DBI_RO_WR_EN, pci->dbi_base + PCIE20_MISC_CONTROL_1_REG);
1104		- writel(PCIE_CAP_LINK1_VAL, pci->dbi_base + PCIE20_CAP_LINK_1);
	1098	+ writel(PCIE_CAP_LINK1_VAL, pci->dbi_base + offset + PCI_EXP_SLTCAP);
1105	1099
1106		- val = readl(pci->dbi_base + PCIE20_CAP_LINK_CAPABILITIES);
1107		- val &= ~PCIE20_CAP_ACTIVE_STATE_LINK_PM_SUPPORT;
1108		- writel(val, pci->dbi_base + PCIE20_CAP_LINK_CAPABILITIES);
	1100	+ val = readl(pci->dbi_base + offset + PCI_EXP_LNKCAP);
	1101	+ val &= ~PCI_EXP_LNKCAP_ASPMS;
	1102	+ writel(val, pci->dbi_base + offset + PCI_EXP_LNKCAP);
1109	1103
1110		- writel(PCIE_CAP_CPL_TIMEOUT_DISABLE, pci->dbi_base +
1111		- PCIE20_DEVICE_CONTROL2_STATUS2);
	1104	+ writel(PCI_EXP_DEVCTL2_COMP_TMOUT_DIS, pci->dbi_base + offset +
	1105	+ PCI_EXP_DEVCTL2);
1112	1106
1113	1107	return 0;
1114	1108
..	..	@@ -1131,9 +1125,130 @@
1131	1125	return ret;
1132	1126	}
1133	1127
	1128	+static int qcom_pcie_get_resources_2_7_0(struct qcom_pcie *pcie)
	1129	+{
	1130	+ struct qcom_pcie_resources_2_7_0 *res = &pcie->res.v2_7_0;
	1131	+ struct dw_pcie *pci = pcie->pci;
	1132	+ struct device *dev = pci->dev;
	1133	+ int ret;
	1134	+
	1135	+ res->pci_reset = devm_reset_control_get_exclusive(dev, "pci");
	1136	+ if (IS_ERR(res->pci_reset))
	1137	+ return PTR_ERR(res->pci_reset);
	1138	+
	1139	+ res->supplies[0].supply = "vdda";
	1140	+ res->supplies[1].supply = "vddpe-3v3";
	1141	+ ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(res->supplies),
	1142	+ res->supplies);
	1143	+ if (ret)
	1144	+ return ret;
	1145	+
	1146	+ res->clks[0].id = "aux";
	1147	+ res->clks[1].id = "cfg";
	1148	+ res->clks[2].id = "bus_master";
	1149	+ res->clks[3].id = "bus_slave";
	1150	+ res->clks[4].id = "slave_q2a";
	1151	+ res->clks[5].id = "tbu";
	1152	+
	1153	+ ret = devm_clk_bulk_get(dev, ARRAY_SIZE(res->clks), res->clks);
	1154	+ if (ret < 0)
	1155	+ return ret;
	1156	+
	1157	+ res->pipe_clk = devm_clk_get(dev, "pipe");
	1158	+ return PTR_ERR_OR_ZERO(res->pipe_clk);
	1159	+}
	1160	+
	1161	+static int qcom_pcie_init_2_7_0(struct qcom_pcie *pcie)
	1162	+{
	1163	+ struct qcom_pcie_resources_2_7_0 *res = &pcie->res.v2_7_0;
	1164	+ struct dw_pcie *pci = pcie->pci;
	1165	+ struct device *dev = pci->dev;
	1166	+ u32 val;
	1167	+ int ret;
	1168	+
	1169	+ ret = regulator_bulk_enable(ARRAY_SIZE(res->supplies), res->supplies);
	1170	+ if (ret < 0) {
	1171	+ dev_err(dev, "cannot enable regulators\n");
	1172	+ return ret;
	1173	+ }
	1174	+
	1175	+ ret = clk_bulk_prepare_enable(ARRAY_SIZE(res->clks), res->clks);
	1176	+ if (ret < 0)
	1177	+ goto err_disable_regulators;
	1178	+
	1179	+ ret = reset_control_assert(res->pci_reset);
	1180	+ if (ret < 0) {
	1181	+ dev_err(dev, "cannot deassert pci reset\n");
	1182	+ goto err_disable_clocks;
	1183	+ }
	1184	+
	1185	+ usleep_range(1000, 1500);
	1186	+
	1187	+ ret = reset_control_deassert(res->pci_reset);
	1188	+ if (ret < 0) {
	1189	+ dev_err(dev, "cannot deassert pci reset\n");
	1190	+ goto err_disable_clocks;
	1191	+ }
	1192	+
	1193	+ /* configure PCIe to RC mode */
	1194	+ writel(DEVICE_TYPE_RC, pcie->parf + PCIE20_PARF_DEVICE_TYPE);
	1195	+
	1196	+ /* enable PCIe clocks and resets */
	1197	+ val = readl(pcie->parf + PCIE20_PARF_PHY_CTRL);
	1198	+ val &= ~BIT(0);
	1199	+ writel(val, pcie->parf + PCIE20_PARF_PHY_CTRL);
	1200	+
	1201	+ /* change DBI base address */
	1202	+ writel(0, pcie->parf + PCIE20_PARF_DBI_BASE_ADDR);
	1203	+
	1204	+ /* MAC PHY_POWERDOWN MUX DISABLE */
	1205	+ val = readl(pcie->parf + PCIE20_PARF_SYS_CTRL);
	1206	+ val &= ~BIT(29);
	1207	+ writel(val, pcie->parf + PCIE20_PARF_SYS_CTRL);
	1208	+
	1209	+ val = readl(pcie->parf + PCIE20_PARF_MHI_CLOCK_RESET_CTRL);
	1210	+ val \|= BIT(4);
	1211	+ writel(val, pcie->parf + PCIE20_PARF_MHI_CLOCK_RESET_CTRL);
	1212	+
	1213	+ val = readl(pcie->parf + PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT_V2);
	1214	+ val \|= BIT(31);
	1215	+ writel(val, pcie->parf + PCIE20_PARF_AXI_MSTR_WR_ADDR_HALT_V2);
	1216	+
	1217	+ return 0;
	1218	+err_disable_clocks:
	1219	+ clk_bulk_disable_unprepare(ARRAY_SIZE(res->clks), res->clks);
	1220	+err_disable_regulators:
	1221	+ regulator_bulk_disable(ARRAY_SIZE(res->supplies), res->supplies);
	1222	+
	1223	+ return ret;
	1224	+}
	1225	+
	1226	+static void qcom_pcie_deinit_2_7_0(struct qcom_pcie *pcie)
	1227	+{
	1228	+ struct qcom_pcie_resources_2_7_0 *res = &pcie->res.v2_7_0;
	1229	+
	1230	+ clk_bulk_disable_unprepare(ARRAY_SIZE(res->clks), res->clks);
	1231	+ regulator_bulk_disable(ARRAY_SIZE(res->supplies), res->supplies);
	1232	+}
	1233	+
	1234	+static int qcom_pcie_post_init_2_7_0(struct qcom_pcie *pcie)
	1235	+{
	1236	+ struct qcom_pcie_resources_2_7_0 *res = &pcie->res.v2_7_0;
	1237	+
	1238	+ return clk_prepare_enable(res->pipe_clk);
	1239	+}
	1240	+
	1241	+static void qcom_pcie_post_deinit_2_7_0(struct qcom_pcie *pcie)
	1242	+{
	1243	+ struct qcom_pcie_resources_2_7_0 *res = &pcie->res.v2_7_0;
	1244	+
	1245	+ clk_disable_unprepare(res->pipe_clk);
	1246	+}
	1247	+
1134	1248	static int qcom_pcie_link_up(struct dw_pcie *pci)
1135	1249	{
1136		- u16 val = readw(pci->dbi_base + PCIE20_CAP + PCI_EXP_LNKSTA);
	1250	+ u16 offset = dw_pcie_find_capability(pci, PCI_CAP_ID_EXP);
	1251	+ u16 val = readw(pci->dbi_base + offset + PCI_EXP_LNKSTA);
1137	1252
1138	1253	return !!(val & PCI_EXP_LNKSTA_DLLLA);
1139	1254	}
..	..	@@ -1161,9 +1276,7 @@
1161	1276	}
1162	1277
1163	1278	dw_pcie_setup_rc(pp);
1164		-
1165		- if (IS_ENABLED(CONFIG_PCI_MSI))
1166		- dw_pcie_msi_init(pp);
	1279	+ dw_pcie_msi_init(pp);
1167	1280
1168	1281	qcom_ep_reset_deassert(pcie);
1169	1282
..	..	@@ -1184,25 +1297,8 @@
1184	1297	return ret;
1185	1298	}
1186	1299
1187		-static int qcom_pcie_rd_own_conf(struct pcie_port *pp, int where, int size,
1188		- u32 *val)
1189		-{
1190		- struct dw_pcie *pci = to_dw_pcie_from_pp(pp);
1191		-
1192		- /* the device class is not reported correctly from the register */
1193		- if (where == PCI_CLASS_REVISION && size == 4) {
1194		- *val = readl(pci->dbi_base + PCI_CLASS_REVISION);
1195		- val &= 0xff; / keep revision id */
1196		- *val \|= PCI_CLASS_BRIDGE_PCI << 16;
1197		- return PCIBIOS_SUCCESSFUL;
1198		- }
1199		-
1200		- return dw_pcie_read(pci->dbi_base + where, size, val);
1201		-}
1202		-
1203	1300	static const struct dw_pcie_host_ops qcom_pcie_dw_ops = {
1204	1301	.host_init = qcom_pcie_host_init,
1205		- .rd_own_conf = qcom_pcie_rd_own_conf,
1206	1302	};
1207	1303
1208	1304	/* Qcom IP rev.: 2.1.0 Synopsys IP rev.: 4.01a */
..	..	@@ -1247,6 +1343,16 @@
1247	1343	.ltssm_enable = qcom_pcie_2_3_2_ltssm_enable,
1248	1344	};
1249	1345
	1346	+/* Qcom IP rev.: 2.7.0 Synopsys IP rev.: 4.30a */
	1347	+static const struct qcom_pcie_ops ops_2_7_0 = {
	1348	+ .get_resources = qcom_pcie_get_resources_2_7_0,
	1349	+ .init = qcom_pcie_init_2_7_0,
	1350	+ .deinit = qcom_pcie_deinit_2_7_0,
	1351	+ .ltssm_enable = qcom_pcie_2_3_2_ltssm_enable,
	1352	+ .post_init = qcom_pcie_post_init_2_7_0,
	1353	+ .post_deinit = qcom_pcie_post_deinit_2_7_0,
	1354	+};
	1355	+
1250	1356	static const struct dw_pcie_ops dw_pcie_ops = {
1251	1357	.link_up = qcom_pcie_link_up,
1252	1358	};
..	..	@@ -1270,10 +1376,8 @@
1270	1376
1271	1377	pm_runtime_enable(dev);
1272	1378	ret = pm_runtime_get_sync(dev);
1273		- if (ret < 0) {
1274		- pm_runtime_disable(dev);
1275		- return ret;
1276		- }
	1379	+ if (ret < 0)
	1380	+ goto err_pm_runtime_put;
1277	1381
1278	1382	pci->dev = dev;
1279	1383	pci->ops = &dw_pcie_ops;
..	..	@@ -1289,8 +1393,7 @@
1289	1393	goto err_pm_runtime_put;
1290	1394	}
1291	1395
1292		- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "parf");
1293		- pcie->parf = devm_ioremap_resource(dev, res);
	1396	+ pcie->parf = devm_platform_ioremap_resource_byname(pdev, "parf");
1294	1397	if (IS_ERR(pcie->parf)) {
1295	1398	ret = PTR_ERR(pcie->parf);
1296	1399	goto err_pm_runtime_put;
..	..	@@ -1303,8 +1406,7 @@
1303	1406	goto err_pm_runtime_put;
1304	1407	}
1305	1408
1306		- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "elbi");
1307		- pcie->elbi = devm_ioremap_resource(dev, res);
	1409	+ pcie->elbi = devm_platform_ioremap_resource_byname(pdev, "elbi");
1308	1410	if (IS_ERR(pcie->elbi)) {
1309	1411	ret = PTR_ERR(pcie->elbi);
1310	1412	goto err_pm_runtime_put;
..	..	@@ -1331,22 +1433,21 @@
1331	1433	}
1332	1434
1333	1435	ret = phy_init(pcie->phy);
1334		- if (ret) {
1335		- pm_runtime_disable(&pdev->dev);
	1436	+ if (ret)
1336	1437	goto err_pm_runtime_put;
1337		- }
1338	1438
1339	1439	platform_set_drvdata(pdev, pcie);
1340	1440
1341	1441	ret = dw_pcie_host_init(pp);
1342	1442	if (ret) {
1343	1443	dev_err(dev, "cannot initialize host\n");
1344		- pm_runtime_disable(&pdev->dev);
1345		- goto err_pm_runtime_put;
	1444	+ goto err_phy_exit;
1346	1445	}
1347	1446
1348	1447	return 0;
1349	1448
	1449	+err_phy_exit:
	1450	+ phy_exit(pcie->phy);
1350	1451	err_pm_runtime_put:
1351	1452	pm_runtime_put(dev);
1352	1453	pm_runtime_disable(dev);
..	..	@@ -1357,13 +1458,28 @@
1357	1458	static const struct of_device_id qcom_pcie_match[] = {
1358	1459	{ .compatible = "qcom,pcie-apq8084", .data = &ops_1_0_0 },
1359	1460	{ .compatible = "qcom,pcie-ipq8064", .data = &ops_2_1_0 },
	1461	+ { .compatible = "qcom,pcie-ipq8064-v2", .data = &ops_2_1_0 },
1360	1462	{ .compatible = "qcom,pcie-apq8064", .data = &ops_2_1_0 },
1361	1463	{ .compatible = "qcom,pcie-msm8996", .data = &ops_2_3_2 },
1362	1464	{ .compatible = "qcom,pcie-ipq8074", .data = &ops_2_3_3 },
1363	1465	{ .compatible = "qcom,pcie-ipq4019", .data = &ops_2_4_0 },
	1466	+ { .compatible = "qcom,pcie-qcs404", .data = &ops_2_4_0 },
	1467	+ { .compatible = "qcom,pcie-sdm845", .data = &ops_2_7_0 },
1364	1468	{ }
1365	1469	};
1366	1470
	1471	+static void qcom_fixup_class(struct pci_dev *dev)
	1472	+{
	1473	+ dev->class = PCI_CLASS_BRIDGE_PCI << 8;
	1474	+}
	1475	+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, 0x0101, qcom_fixup_class);
	1476	+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, 0x0104, qcom_fixup_class);
	1477	+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, 0x0106, qcom_fixup_class);
	1478	+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, 0x0107, qcom_fixup_class);
	1479	+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, 0x0302, qcom_fixup_class);
	1480	+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, 0x1000, qcom_fixup_class);
	1481	+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, 0x1001, qcom_fixup_class);
	1482	+
1367	1483	static struct platform_driver qcom_pcie_driver = {
1368	1484	.probe = qcom_pcie_probe,
1369	1485	.driver = {