| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame] | 1 | From: Christian Lamparter <chunkeey@googlemail.com> |
| 2 | Subject: SoC: add qualcomm syscon |
| 3 | --- a/drivers/soc/qcom/Makefile |
| 4 | +++ b/drivers/soc/qcom/Makefile |
| 5 | @@ -20,6 +20,7 @@ obj-$(CONFIG_QCOM_SMP2P) += smp2p.o |
| 6 | obj-$(CONFIG_QCOM_SMSM) += smsm.o |
| 7 | obj-$(CONFIG_QCOM_SOCINFO) += socinfo.o |
| 8 | obj-$(CONFIG_QCOM_WCNSS_CTRL) += wcnss_ctrl.o |
| 9 | +obj-$(CONFIG_QCOM_TCSR) += qcom_tcsr.o |
| 10 | obj-$(CONFIG_QCOM_APR) += apr.o |
| 11 | obj-$(CONFIG_QCOM_LLCC) += llcc-slice.o |
| 12 | obj-$(CONFIG_QCOM_SDM845_LLCC) += llcc-sdm845.o |
| 13 | --- a/drivers/soc/qcom/Kconfig |
| 14 | +++ b/drivers/soc/qcom/Kconfig |
| 15 | @@ -184,6 +184,13 @@ config QCOM_SOCINFO |
| 16 | Say yes here to support the Qualcomm socinfo driver, providing |
| 17 | information about the SoC to user space. |
| 18 | |
| 19 | +config QCOM_TCSR |
| 20 | + tristate "QCOM Top Control and Status Registers" |
| 21 | + depends on ARCH_QCOM |
| 22 | + help |
| 23 | + Say y here to enable TCSR support. The TCSR provides control |
| 24 | + functions for various peripherals. |
| 25 | + |
| 26 | config QCOM_WCNSS_CTRL |
| 27 | tristate "Qualcomm WCNSS control driver" |
| 28 | depends on ARCH_QCOM || COMPILE_TEST |
| 29 | --- /dev/null |
| 30 | +++ b/drivers/soc/qcom/qcom_tcsr.c |
| 31 | @@ -0,0 +1,98 @@ |
| 32 | +/* |
| 33 | + * Copyright (c) 2014, The Linux foundation. All rights reserved. |
| 34 | + * |
| 35 | + * This program is free software; you can redistribute it and/or modify |
| 36 | + * it under the terms of the GNU General Public License rev 2 and |
| 37 | + * only rev 2 as published by the free Software foundation. |
| 38 | + * |
| 39 | + * This program is distributed in the hope that it will be useful, |
| 40 | + * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 41 | + * MERCHANTABILITY or fITNESS fOR A PARTICULAR PURPOSE. See the |
| 42 | + * GNU General Public License for more details. |
| 43 | + */ |
| 44 | + |
| 45 | +#include <linux/clk.h> |
| 46 | +#include <linux/err.h> |
| 47 | +#include <linux/io.h> |
| 48 | +#include <linux/module.h> |
| 49 | +#include <linux/of.h> |
| 50 | +#include <linux/of_platform.h> |
| 51 | +#include <linux/platform_device.h> |
| 52 | + |
| 53 | +#define TCSR_USB_PORT_SEL 0xb0 |
| 54 | +#define TCSR_USB_HSPHY_CONFIG 0xC |
| 55 | + |
| 56 | +#define TCSR_ESS_INTERFACE_SEL_OFFSET 0x0 |
| 57 | +#define TCSR_ESS_INTERFACE_SEL_MASK 0xf |
| 58 | + |
| 59 | +#define TCSR_WIFI0_GLB_CFG_OFFSET 0x0 |
| 60 | +#define TCSR_WIFI1_GLB_CFG_OFFSET 0x4 |
| 61 | +#define TCSR_PNOC_SNOC_MEMTYPE_M0_M2 0x4 |
| 62 | + |
| 63 | +static int tcsr_probe(struct platform_device *pdev) |
| 64 | +{ |
| 65 | + struct resource *res; |
| 66 | + const struct device_node *node = pdev->dev.of_node; |
| 67 | + void __iomem *base; |
| 68 | + u32 val; |
| 69 | + |
| 70 | + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
| 71 | + base = devm_ioremap_resource(&pdev->dev, res); |
| 72 | + if (IS_ERR(base)) |
| 73 | + return PTR_ERR(base); |
| 74 | + |
| 75 | + if (!of_property_read_u32(node, "qcom,usb-ctrl-select", &val)) { |
| 76 | + dev_err(&pdev->dev, "setting usb port select = %d\n", val); |
| 77 | + writel(val, base + TCSR_USB_PORT_SEL); |
| 78 | + } |
| 79 | + |
| 80 | + if (!of_property_read_u32(node, "qcom,usb-hsphy-mode-select", &val)) { |
| 81 | + dev_info(&pdev->dev, "setting usb hs phy mode select = %x\n", val); |
| 82 | + writel(val, base + TCSR_USB_HSPHY_CONFIG); |
| 83 | + } |
| 84 | + |
| 85 | + if (!of_property_read_u32(node, "qcom,ess-interface-select", &val)) { |
| 86 | + u32 tmp = 0; |
| 87 | + dev_info(&pdev->dev, "setting ess interface select = %x\n", val); |
| 88 | + tmp = readl(base + TCSR_ESS_INTERFACE_SEL_OFFSET); |
| 89 | + tmp = tmp & (~TCSR_ESS_INTERFACE_SEL_MASK); |
| 90 | + tmp = tmp | (val&TCSR_ESS_INTERFACE_SEL_MASK); |
| 91 | + writel(tmp, base + TCSR_ESS_INTERFACE_SEL_OFFSET); |
| 92 | + } |
| 93 | + |
| 94 | + if (!of_property_read_u32(node, "qcom,wifi_glb_cfg", &val)) { |
| 95 | + dev_info(&pdev->dev, "setting wifi_glb_cfg = %x\n", val); |
| 96 | + writel(val, base + TCSR_WIFI0_GLB_CFG_OFFSET); |
| 97 | + writel(val, base + TCSR_WIFI1_GLB_CFG_OFFSET); |
| 98 | + } |
| 99 | + |
| 100 | + if (!of_property_read_u32(node, "qcom,wifi_noc_memtype_m0_m2", &val)) { |
| 101 | + dev_info(&pdev->dev, |
| 102 | + "setting wifi_noc_memtype_m0_m2 = %x\n", val); |
| 103 | + writel(val, base + TCSR_PNOC_SNOC_MEMTYPE_M0_M2); |
| 104 | + } |
| 105 | + |
| 106 | + return 0; |
| 107 | +} |
| 108 | + |
| 109 | +static const struct of_device_id tcsr_dt_match[] = { |
| 110 | + { .compatible = "qcom,tcsr", }, |
| 111 | + { }, |
| 112 | +}; |
| 113 | + |
| 114 | +MODULE_DEVICE_TABLE(of, tcsr_dt_match); |
| 115 | + |
| 116 | +static struct platform_driver tcsr_driver = { |
| 117 | + .driver = { |
| 118 | + .name = "tcsr", |
| 119 | + .owner = THIS_MODULE, |
| 120 | + .of_match_table = tcsr_dt_match, |
| 121 | + }, |
| 122 | + .probe = tcsr_probe, |
| 123 | +}; |
| 124 | + |
| 125 | +module_platform_driver(tcsr_driver); |
| 126 | + |
| 127 | +MODULE_AUTHOR("Andy Gross <agross@codeaurora.org>"); |
| 128 | +MODULE_DESCRIPTION("QCOM TCSR driver"); |
| 129 | +MODULE_LICENSE("GPL v2"); |
| 130 | --- /dev/null |
| 131 | +++ b/include/dt-bindings/soc/qcom,tcsr.h |
| 132 | @@ -0,0 +1,48 @@ |
| 133 | +/* Copyright (c) 2014, The Linux Foundation. All rights reserved. |
| 134 | + * |
| 135 | + * This program is free software; you can redistribute it and/or modify |
| 136 | + * it under the terms of the GNU General Public License version 2 and |
| 137 | + * only version 2 as published by the Free Software Foundation. |
| 138 | + * |
| 139 | + * This program is distributed in the hope that it will be useful, |
| 140 | + * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 141 | + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 142 | + * GNU General Public License for more details. |
| 143 | + */ |
| 144 | +#ifndef __DT_BINDINGS_QCOM_TCSR_H |
| 145 | +#define __DT_BINDINGS_QCOM_TCSR_H |
| 146 | + |
| 147 | +#define TCSR_USB_SELECT_USB3_P0 0x1 |
| 148 | +#define TCSR_USB_SELECT_USB3_P1 0x2 |
| 149 | +#define TCSR_USB_SELECT_USB3_DUAL 0x3 |
| 150 | + |
| 151 | +/* IPQ40xx HS PHY Mode Select */ |
| 152 | +#define TCSR_USB_HSPHY_HOST_MODE 0x00E700E7 |
| 153 | +#define TCSR_USB_HSPHY_DEVICE_MODE 0x00C700E7 |
| 154 | + |
| 155 | +/* IPQ40xx ess interface mode select */ |
| 156 | +#define TCSR_ESS_PSGMII 0 |
| 157 | +#define TCSR_ESS_PSGMII_RGMII5 1 |
| 158 | +#define TCSR_ESS_PSGMII_RMII0 2 |
| 159 | +#define TCSR_ESS_PSGMII_RMII1 4 |
| 160 | +#define TCSR_ESS_PSGMII_RMII0_RMII1 6 |
| 161 | +#define TCSR_ESS_PSGMII_RGMII4 9 |
| 162 | + |
| 163 | +/* |
| 164 | + * IPQ40xx WiFi Global Config |
| 165 | + * Bit 30:AXID_EN |
| 166 | + * Enable AXI master bus Axid translating to confirm all txn submitted by order |
| 167 | + * Bit 24: Use locally generated socslv_wxi_bvalid |
| 168 | + * 1: use locally generate socslv_wxi_bvalid for performance. |
| 169 | + * 0: use SNOC socslv_wxi_bvalid. |
| 170 | + */ |
| 171 | +#define TCSR_WIFI_GLB_CFG 0x41000000 |
| 172 | + |
| 173 | +/* IPQ40xx MEM_TYPE_SEL_M0_M2 Select Bit 26:24 - 2 NORMAL */ |
| 174 | +#define TCSR_WIFI_NOC_MEMTYPE_M0_M2 0x02222222 |
| 175 | + |
| 176 | +/* TCSR A/B REG */ |
| 177 | +#define IPQ806X_TCSR_REG_A_ADM_CRCI_MUX_SEL 0 |
| 178 | +#define IPQ806X_TCSR_REG_B_ADM_CRCI_MUX_SEL 1 |
| 179 | + |
| 180 | +#endif |