cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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pinctrl-cedarfork.c (11218B)


      1// SPDX-License-Identifier: GPL-2.0
      2/*
      3 * Intel Cedar Fork PCH pinctrl/GPIO driver
      4 *
      5 * Copyright (C) 2017, Intel Corporation
      6 * Author: Mika Westerberg <mika.westerberg@linux.intel.com>
      7 */
      8
      9#include <linux/mod_devicetable.h>
     10#include <linux/module.h>
     11#include <linux/platform_device.h>
     12
     13#include <linux/pinctrl/pinctrl.h>
     14
     15#include "pinctrl-intel.h"
     16
     17#define CDF_PAD_OWN	0x020
     18#define CDF_PADCFGLOCK	0x0c0
     19#define CDF_HOSTSW_OWN	0x120
     20#define CDF_GPI_IS	0x200
     21#define CDF_GPI_IE	0x230
     22
     23#define CDF_GPP(r, s, e)				\
     24	{						\
     25		.reg_num = (r),				\
     26		.base = (s),				\
     27		.size = ((e) - (s) + 1),		\
     28	}
     29
     30#define CDF_COMMUNITY(b, s, e, g)			\
     31	{						\
     32		.barno = (b),				\
     33		.padown_offset = CDF_PAD_OWN,		\
     34		.padcfglock_offset = CDF_PADCFGLOCK,	\
     35		.hostown_offset = CDF_HOSTSW_OWN,	\
     36		.is_offset = CDF_GPI_IS,		\
     37		.ie_offset = CDF_GPI_IE,		\
     38		.pin_base = (s),			\
     39		.npins = ((e) - (s) + 1),		\
     40		.gpps = (g),				\
     41		.ngpps = ARRAY_SIZE(g),			\
     42	}
     43
     44/* Cedar Fork PCH */
     45static const struct pinctrl_pin_desc cdf_pins[] = {
     46	/* WEST2 */
     47	PINCTRL_PIN(0, "GBE_SDP_TIMESYNC0_S2N"),
     48	PINCTRL_PIN(1, "GBE_SDP_TIMESYNC1_S2N"),
     49	PINCTRL_PIN(2, "GBE_SDP_TIMESYNC2_S2N"),
     50	PINCTRL_PIN(3, "GBE_SDP_TIMESYNC3_S2N"),
     51	PINCTRL_PIN(4, "GBE0_I2C_CLK"),
     52	PINCTRL_PIN(5, "GBE0_I2C_DATA"),
     53	PINCTRL_PIN(6, "GBE1_I2C_CLK"),
     54	PINCTRL_PIN(7, "GBE1_I2C_DATA"),
     55	PINCTRL_PIN(8, "GBE2_I2C_CLK"),
     56	PINCTRL_PIN(9, "GBE2_I2C_DATA"),
     57	PINCTRL_PIN(10, "GBE3_I2C_CLK"),
     58	PINCTRL_PIN(11, "GBE3_I2C_DATA"),
     59	PINCTRL_PIN(12, "GBE0_LED0"),
     60	PINCTRL_PIN(13, "GBE0_LED1"),
     61	PINCTRL_PIN(14, "GBE0_LED2"),
     62	PINCTRL_PIN(15, "GBE1_LED0"),
     63	PINCTRL_PIN(16, "GBE1_LED1"),
     64	PINCTRL_PIN(17, "GBE1_LED2"),
     65	PINCTRL_PIN(18, "GBE2_LED0"),
     66	PINCTRL_PIN(19, "GBE2_LED1"),
     67	PINCTRL_PIN(20, "GBE2_LED2"),
     68	PINCTRL_PIN(21, "GBE3_LED0"),
     69	PINCTRL_PIN(22, "GBE3_LED1"),
     70	PINCTRL_PIN(23, "GBE3_LED2"),
     71	/* WEST3 */
     72	PINCTRL_PIN(24, "NCSI_RXD0"),
     73	PINCTRL_PIN(25, "NCSI_CLK_IN"),
     74	PINCTRL_PIN(26, "NCSI_RXD1"),
     75	PINCTRL_PIN(27, "NCSI_CRS_DV"),
     76	PINCTRL_PIN(28, "NCSI_ARB_IN"),
     77	PINCTRL_PIN(29, "NCSI_TX_EN"),
     78	PINCTRL_PIN(30, "NCSI_TXD0"),
     79	PINCTRL_PIN(31, "NCSI_TXD1"),
     80	PINCTRL_PIN(32, "NCSI_ARB_OUT"),
     81	PINCTRL_PIN(33, "GBE_SMB_CLK"),
     82	PINCTRL_PIN(34, "GBE_SMB_DATA"),
     83	PINCTRL_PIN(35, "GBE_SMB_ALRT_N"),
     84	PINCTRL_PIN(36, "THERMTRIP_N"),
     85	PINCTRL_PIN(37, "PCHHOT_N"),
     86	PINCTRL_PIN(38, "ERROR0_N"),
     87	PINCTRL_PIN(39, "ERROR1_N"),
     88	PINCTRL_PIN(40, "ERROR2_N"),
     89	PINCTRL_PIN(41, "MSMI_N"),
     90	PINCTRL_PIN(42, "CATERR_N"),
     91	PINCTRL_PIN(43, "MEMTRIP_N"),
     92	PINCTRL_PIN(44, "UART0_RXD"),
     93	PINCTRL_PIN(45, "UART0_TXD"),
     94	PINCTRL_PIN(46, "GBE_UART_RXD"),
     95	PINCTRL_PIN(47, "GBE_UART_TXD"),
     96	/* WEST01 */
     97	PINCTRL_PIN(48, "GBE_GPIO13"),
     98	PINCTRL_PIN(49, "AUX_PWR"),
     99	PINCTRL_PIN(50, "UART0_RTS"),
    100	PINCTRL_PIN(51, "UART0_CTS"),
    101	PINCTRL_PIN(52, "FAN_PWM_0"),
    102	PINCTRL_PIN(53, "FAN_PWM_1"),
    103	PINCTRL_PIN(54, "FAN_PWM_2"),
    104	PINCTRL_PIN(55, "FAN_PWM_3"),
    105	PINCTRL_PIN(56, "FAN_TACH_0"),
    106	PINCTRL_PIN(57, "FAN_TACH_1"),
    107	PINCTRL_PIN(58, "FAN_TACH_2"),
    108	PINCTRL_PIN(59, "FAN_TACH_3"),
    109	PINCTRL_PIN(60, "ME_SMB0_CLK"),
    110	PINCTRL_PIN(61, "ME_SMB0_DATA"),
    111	PINCTRL_PIN(62, "ME_SMB0_ALRT_N"),
    112	PINCTRL_PIN(63, "ME_SMB1_CLK"),
    113	PINCTRL_PIN(64, "ME_SMB1_DATA"),
    114	PINCTRL_PIN(65, "ME_SMB1_ALRT_N"),
    115	PINCTRL_PIN(66, "ME_SMB2_CLK"),
    116	PINCTRL_PIN(67, "ME_SMB2_DATA"),
    117	PINCTRL_PIN(68, "ME_SMB2_ALRT_N"),
    118	PINCTRL_PIN(69, "GBE_MNG_I2C_CLK"),
    119	PINCTRL_PIN(70, "GBE_MNG_I2C_DATA"),
    120	/* WEST5 */
    121	PINCTRL_PIN(71, "IE_UART_RXD"),
    122	PINCTRL_PIN(72, "IE_UART_TXD"),
    123	PINCTRL_PIN(73, "VPP_SMB_CLK"),
    124	PINCTRL_PIN(74, "VPP_SMB_DATA"),
    125	PINCTRL_PIN(75, "VPP_SMB_ALRT_N"),
    126	PINCTRL_PIN(76, "PCIE_CLKREQ0_N"),
    127	PINCTRL_PIN(77, "PCIE_CLKREQ1_N"),
    128	PINCTRL_PIN(78, "PCIE_CLKREQ2_N"),
    129	PINCTRL_PIN(79, "PCIE_CLKREQ3_N"),
    130	PINCTRL_PIN(80, "PCIE_CLKREQ4_N"),
    131	PINCTRL_PIN(81, "PCIE_CLKREQ5_N"),
    132	PINCTRL_PIN(82, "PCIE_CLKREQ6_N"),
    133	PINCTRL_PIN(83, "PCIE_CLKREQ7_N"),
    134	PINCTRL_PIN(84, "PCIE_CLKREQ8_N"),
    135	PINCTRL_PIN(85, "PCIE_CLKREQ9_N"),
    136	PINCTRL_PIN(86, "FLEX_CLK_SE0"),
    137	PINCTRL_PIN(87, "FLEX_CLK_SE1"),
    138	PINCTRL_PIN(88, "FLEX_CLK1_50"),
    139	PINCTRL_PIN(89, "FLEX_CLK2_50"),
    140	PINCTRL_PIN(90, "FLEX_CLK_125"),
    141	/* WESTC */
    142	PINCTRL_PIN(91, "TCK_PCH"),
    143	PINCTRL_PIN(92, "JTAGX_PCH"),
    144	PINCTRL_PIN(93, "TRST_N_PCH"),
    145	PINCTRL_PIN(94, "TMS_PCH"),
    146	PINCTRL_PIN(95, "TDI_PCH"),
    147	PINCTRL_PIN(96, "TDO_PCH"),
    148	/* WESTC_DFX */
    149	PINCTRL_PIN(97, "CX_PRDY_N"),
    150	PINCTRL_PIN(98, "CX_PREQ_N"),
    151	PINCTRL_PIN(99, "CPU_FBREAK_OUT_N"),
    152	PINCTRL_PIN(100, "TRIGGER0_N"),
    153	PINCTRL_PIN(101, "TRIGGER1_N"),
    154	/* WESTA */
    155	PINCTRL_PIN(102, "DBG_PTI_CLK0"),
    156	PINCTRL_PIN(103, "DBG_PTI_CLK3"),
    157	PINCTRL_PIN(104, "DBG_PTI_DATA0"),
    158	PINCTRL_PIN(105, "DBG_PTI_DATA1"),
    159	PINCTRL_PIN(106, "DBG_PTI_DATA2"),
    160	PINCTRL_PIN(107, "DBG_PTI_DATA3"),
    161	PINCTRL_PIN(108, "DBG_PTI_DATA4"),
    162	PINCTRL_PIN(109, "DBG_PTI_DATA5"),
    163	PINCTRL_PIN(110, "DBG_PTI_DATA6"),
    164	PINCTRL_PIN(111, "DBG_PTI_DATA7"),
    165	/* WESTB */
    166	PINCTRL_PIN(112, "DBG_PTI_DATA8"),
    167	PINCTRL_PIN(113, "DBG_PTI_DATA9"),
    168	PINCTRL_PIN(114, "DBG_PTI_DATA10"),
    169	PINCTRL_PIN(115, "DBG_PTI_DATA11"),
    170	PINCTRL_PIN(116, "DBG_PTI_DATA12"),
    171	PINCTRL_PIN(117, "DBG_PTI_DATA13"),
    172	PINCTRL_PIN(118, "DBG_PTI_DATA14"),
    173	PINCTRL_PIN(119, "DBG_PTI_DATA15"),
    174	PINCTRL_PIN(120, "DBG_SPARE0"),
    175	PINCTRL_PIN(121, "DBG_SPARE1"),
    176	PINCTRL_PIN(122, "DBG_SPARE2"),
    177	PINCTRL_PIN(123, "DBG_SPARE3"),
    178	/* WESTD */
    179	PINCTRL_PIN(124, "CPU_PWR_GOOD"),
    180	PINCTRL_PIN(125, "PLTRST_CPU_N"),
    181	PINCTRL_PIN(126, "NAC_RESET_NAC_N"),
    182	PINCTRL_PIN(127, "PCH_SBLINK_RX"),
    183	PINCTRL_PIN(128, "PCH_SBLINK_TX"),
    184	PINCTRL_PIN(129, "PMSYNC_CLK"),
    185	PINCTRL_PIN(130, "CPU_ERR0_N"),
    186	PINCTRL_PIN(131, "CPU_ERR1_N"),
    187	PINCTRL_PIN(132, "CPU_ERR2_N"),
    188	PINCTRL_PIN(133, "CPU_THERMTRIP_N"),
    189	PINCTRL_PIN(134, "CPU_MSMI_N"),
    190	PINCTRL_PIN(135, "CPU_CATERR_N"),
    191	PINCTRL_PIN(136, "CPU_MEMTRIP_N"),
    192	PINCTRL_PIN(137, "NAC_GR_N"),
    193	PINCTRL_PIN(138, "NAC_XTAL_VALID"),
    194	PINCTRL_PIN(139, "NAC_WAKE_N"),
    195	PINCTRL_PIN(140, "NAC_SBLINK_CLK_S2N"),
    196	PINCTRL_PIN(141, "NAC_SBLINK_N2S"),
    197	PINCTRL_PIN(142, "NAC_SBLINK_S2N"),
    198	PINCTRL_PIN(143, "NAC_SBLINK_CLK_N2S"),
    199	/* WESTD_PECI */
    200	PINCTRL_PIN(144, "ME_PECI"),
    201	/* WESTF */
    202	PINCTRL_PIN(145, "NAC_RMII_CLK"),
    203	PINCTRL_PIN(146, "NAC_RGMII_CLK"),
    204	PINCTRL_PIN(147, "NAC_GBE_SMB_CLK_TX_N2S"),
    205	PINCTRL_PIN(148, "NAC_GBE_SMB_DATA_TX_N2S"),
    206	PINCTRL_PIN(149, "NAC_SPARE2"),
    207	PINCTRL_PIN(150, "NAC_INIT_SX_WAKE_N"),
    208	PINCTRL_PIN(151, "NAC_GBE_GPIO0_S2N"),
    209	PINCTRL_PIN(152, "NAC_GBE_GPIO1_S2N"),
    210	PINCTRL_PIN(153, "NAC_GBE_GPIO2_S2N"),
    211	PINCTRL_PIN(154, "NAC_GBE_GPIO3_S2N"),
    212	PINCTRL_PIN(155, "NAC_NCSI_RXD0"),
    213	PINCTRL_PIN(156, "NAC_NCSI_CLK_IN"),
    214	PINCTRL_PIN(157, "NAC_NCSI_RXD1"),
    215	PINCTRL_PIN(158, "NAC_NCSI_CRS_DV"),
    216	PINCTRL_PIN(159, "NAC_NCSI_ARB_IN"),
    217	PINCTRL_PIN(160, "NAC_NCSI_TX_EN"),
    218	PINCTRL_PIN(161, "NAC_NCSI_TXD0"),
    219	PINCTRL_PIN(162, "NAC_NCSI_TXD1"),
    220	PINCTRL_PIN(163, "NAC_NCSI_ARB_OUT"),
    221	PINCTRL_PIN(164, "NAC_NCSI_OE_N"),
    222	PINCTRL_PIN(165, "NAC_GBE_SMB_CLK_RX_S2N"),
    223	PINCTRL_PIN(166, "NAC_GBE_SMB_DATA_RX_S2N"),
    224	PINCTRL_PIN(167, "NAC_GBE_SMB_ALRT_N"),
    225	/* EAST2 */
    226	PINCTRL_PIN(168, "USB_OC0_N"),
    227	PINCTRL_PIN(169, "GBE_GPIO0"),
    228	PINCTRL_PIN(170, "GBE_GPIO1"),
    229	PINCTRL_PIN(171, "GBE_GPIO2"),
    230	PINCTRL_PIN(172, "GBE_GPIO3"),
    231	PINCTRL_PIN(173, "GBE_GPIO4"),
    232	PINCTRL_PIN(174, "GBE_GPIO5"),
    233	PINCTRL_PIN(175, "GBE_GPIO6"),
    234	PINCTRL_PIN(176, "GBE_GPIO7"),
    235	PINCTRL_PIN(177, "SPI_TPM_CS_N"),
    236	PINCTRL_PIN(178, "GBE_GPIO9"),
    237	PINCTRL_PIN(179, "GBE_GPIO10"),
    238	PINCTRL_PIN(180, "GBE_GPIO11"),
    239	PINCTRL_PIN(181, "GBE_GPIO12"),
    240	PINCTRL_PIN(182, "PECI_SMB_DATA"),
    241	PINCTRL_PIN(183, "SATA0_LED_N"),
    242	PINCTRL_PIN(184, "SATA1_LED_N"),
    243	PINCTRL_PIN(185, "SATA_PDETECT0"),
    244	PINCTRL_PIN(186, "SATA_PDETECT1"),
    245	PINCTRL_PIN(187, "SATA0_SDOUT"),
    246	PINCTRL_PIN(188, "SATA1_SDOUT"),
    247	PINCTRL_PIN(189, "SATA2_LED_N"),
    248	PINCTRL_PIN(190, "SATA_PDETECT2"),
    249	PINCTRL_PIN(191, "SATA2_SDOUT"),
    250	/* EAST3 */
    251	PINCTRL_PIN(192, "ESPI_IO0"),
    252	PINCTRL_PIN(193, "ESPI_IO1"),
    253	PINCTRL_PIN(194, "ESPI_IO2"),
    254	PINCTRL_PIN(195, "ESPI_IO3"),
    255	PINCTRL_PIN(196, "ESPI_CLK"),
    256	PINCTRL_PIN(197, "ESPI_RST_N"),
    257	PINCTRL_PIN(198, "ESPI_CS0_N"),
    258	PINCTRL_PIN(199, "ESPI_ALRT0_N"),
    259	PINCTRL_PIN(200, "ESPI_CS1_N"),
    260	PINCTRL_PIN(201, "ESPI_ALRT1_N"),
    261	PINCTRL_PIN(202, "ESPI_CLK_LOOPBK"),
    262	/* EAST0 */
    263	PINCTRL_PIN(203, "SPI_CS0_N"),
    264	PINCTRL_PIN(204, "SPI_CS1_N"),
    265	PINCTRL_PIN(205, "SPI_MOSI_IO0"),
    266	PINCTRL_PIN(206, "SPI_MISO_IO1"),
    267	PINCTRL_PIN(207, "SPI_IO2"),
    268	PINCTRL_PIN(208, "SPI_IO3"),
    269	PINCTRL_PIN(209, "SPI_CLK"),
    270	PINCTRL_PIN(210, "SPI_CLK_LOOPBK"),
    271	PINCTRL_PIN(211, "SUSPWRDNACK"),
    272	PINCTRL_PIN(212, "PMU_SUSCLK"),
    273	PINCTRL_PIN(213, "ADR_COMPLETE"),
    274	PINCTRL_PIN(214, "ADR_TRIGGER_N"),
    275	PINCTRL_PIN(215, "PMU_SLP_S45_N"),
    276	PINCTRL_PIN(216, "PMU_SLP_S3_N"),
    277	PINCTRL_PIN(217, "PMU_WAKE_N"),
    278	PINCTRL_PIN(218, "PMU_PWRBTN_N"),
    279	PINCTRL_PIN(219, "PMU_RESETBUTTON_N"),
    280	PINCTRL_PIN(220, "PMU_PLTRST_N"),
    281	PINCTRL_PIN(221, "SUS_STAT_N"),
    282	PINCTRL_PIN(222, "PMU_I2C_CLK"),
    283	PINCTRL_PIN(223, "PMU_I2C_DATA"),
    284	PINCTRL_PIN(224, "PECI_SMB_CLK"),
    285	PINCTRL_PIN(225, "PECI_SMB_ALRT_N"),
    286	/* EMMC */
    287	PINCTRL_PIN(226, "EMMC_CMD"),
    288	PINCTRL_PIN(227, "EMMC_STROBE"),
    289	PINCTRL_PIN(228, "EMMC_CLK"),
    290	PINCTRL_PIN(229, "EMMC_D0"),
    291	PINCTRL_PIN(230, "EMMC_D1"),
    292	PINCTRL_PIN(231, "EMMC_D2"),
    293	PINCTRL_PIN(232, "EMMC_D3"),
    294	PINCTRL_PIN(233, "EMMC_D4"),
    295	PINCTRL_PIN(234, "EMMC_D5"),
    296	PINCTRL_PIN(235, "EMMC_D6"),
    297	PINCTRL_PIN(236, "EMMC_D7"),
    298};
    299
    300static const struct intel_padgroup cdf_community0_gpps[] = {
    301	CDF_GPP(0, 0, 23),	/* WEST2 */
    302	CDF_GPP(1, 24, 47),	/* WEST3 */
    303	CDF_GPP(2, 48, 70),	/* WEST01 */
    304	CDF_GPP(3, 71, 90),	/* WEST5 */
    305	CDF_GPP(4, 91, 96),	/* WESTC */
    306	CDF_GPP(5, 97, 101),	/* WESTC_DFX */
    307	CDF_GPP(6, 102, 111),	/* WESTA */
    308	CDF_GPP(7, 112, 123),	/* WESTB */
    309	CDF_GPP(8, 124, 143),	/* WESTD */
    310	CDF_GPP(9, 144, 144),	/* WESTD_PECI */
    311	CDF_GPP(10, 145, 167),	/* WESTF */
    312};
    313
    314static const struct intel_padgroup cdf_community1_gpps[] = {
    315	CDF_GPP(0, 168, 191),	/* EAST2 */
    316	CDF_GPP(1, 192, 202),	/* EAST3 */
    317	CDF_GPP(2, 203, 225),	/* EAST0 */
    318	CDF_GPP(3, 226, 236),	/* EMMC */
    319};
    320
    321static const struct intel_community cdf_communities[] = {
    322	CDF_COMMUNITY(0, 0, 167, cdf_community0_gpps),		/* West */
    323	CDF_COMMUNITY(1, 168, 236, cdf_community1_gpps),	/* East */
    324};
    325
    326static const struct intel_pinctrl_soc_data cdf_soc_data = {
    327	.pins = cdf_pins,
    328	.npins = ARRAY_SIZE(cdf_pins),
    329	.communities = cdf_communities,
    330	.ncommunities = ARRAY_SIZE(cdf_communities),
    331};
    332
    333static INTEL_PINCTRL_PM_OPS(cdf_pinctrl_pm_ops);
    334
    335static const struct acpi_device_id cdf_pinctrl_acpi_match[] = {
    336	{ "INTC3001", (kernel_ulong_t)&cdf_soc_data },
    337	{ }
    338};
    339MODULE_DEVICE_TABLE(acpi, cdf_pinctrl_acpi_match);
    340
    341static struct platform_driver cdf_pinctrl_driver = {
    342	.probe = intel_pinctrl_probe_by_hid,
    343	.driver = {
    344		.name = "cedarfork-pinctrl",
    345		.acpi_match_table = cdf_pinctrl_acpi_match,
    346		.pm = &cdf_pinctrl_pm_ops,
    347	},
    348};
    349
    350static int __init cdf_pinctrl_init(void)
    351{
    352	return platform_driver_register(&cdf_pinctrl_driver);
    353}
    354subsys_initcall(cdf_pinctrl_init);
    355
    356static void __exit cdf_pinctrl_exit(void)
    357{
    358	platform_driver_unregister(&cdf_pinctrl_driver);
    359}
    360module_exit(cdf_pinctrl_exit);
    361
    362MODULE_AUTHOR("Mika Westerberg <mika.westerberg@linux.intel.com>");
    363MODULE_DESCRIPTION("Intel Cedar Fork PCH pinctrl/GPIO driver");
    364MODULE_LICENSE("GPL v2");