// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2015-2016 MediaTek Inc. * Author: Yong Wu <[email protected]> */ #include <linux/arm-smccc.h> #include <linux/clk.h> #include <linux/component.h> #include <linux/device.h> #include <linux/err.h> #include <linux/io.h> #include <linux/iopoll.h> #include <linux/module.h> #include <linux/of.h> #include <linux/of_platform.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/soc/mediatek/mtk_sip_svc.h> #include <soc/mediatek/smi.h> #include <dt-bindings/memory/mt2701-larb-port.h> #include <dt-bindings/memory/mtk-memory-port.h> /* SMI COMMON */ #define SMI_L1LEN … #define SMI_L1_ARB … #define SMI_BUS_SEL … #define SMI_BUS_LARB_SHIFT(larbid) … /* All are MMU0 defaultly. Only specialize mmu1 here. */ #define F_MMU1_LARB(larbid) … #define SMI_READ_FIFO_TH … #define SMI_M4U_TH … #define SMI_FIFO_TH1 … #define SMI_FIFO_TH2 … #define SMI_DCM … #define SMI_DUMMY … /* SMI LARB */ #define SMI_LARB_SLP_CON … #define SLP_PROT_EN … #define SLP_PROT_RDY … #define SMI_LARB_CMD_THRT_CON … #define SMI_LARB_THRT_RD_NU_LMT_MSK … #define SMI_LARB_THRT_RD_NU_LMT … #define SMI_LARB_SW_FLAG … #define SMI_LARB_SW_FLAG_1 … #define SMI_LARB_OSTDL_PORT … #define SMI_LARB_OSTDL_PORTx(id) … /* Below are about mmu enable registers, they are different in SoCs */ /* gen1: mt2701 */ #define REG_SMI_SECUR_CON_BASE … /* every register control 8 port, register offset 0x4 */ #define REG_SMI_SECUR_CON_OFFSET(id) … #define REG_SMI_SECUR_CON_ADDR(id) … /* * every port have 4 bit to control, bit[port + 3] control virtual or physical, * bit[port + 2 : port + 1] control the domain, bit[port] control the security * or non-security. */ #define SMI_SECUR_CON_VAL_MSK(id) … #define SMI_SECUR_CON_VAL_VIRT(id) … /* mt2701 domain should be set to 3 */ #define SMI_SECUR_CON_VAL_DOMAIN(id) … /* gen2: */ /* mt8167 */ #define MT8167_SMI_LARB_MMU_EN … /* mt8173 */ #define MT8173_SMI_LARB_MMU_EN … /* general */ #define SMI_LARB_NONSEC_CON(id) … #define F_MMU_EN … #define BANK_SEL(id) … #define SMI_COMMON_INIT_REGS_NR … #define SMI_LARB_PORT_NR_MAX … #define MTK_SMI_FLAG_THRT_UPDATE … #define MTK_SMI_FLAG_SW_FLAG … #define MTK_SMI_FLAG_SLEEP_CTL … #define MTK_SMI_FLAG_CFG_PORT_SEC_CTL … #define MTK_SMI_CAPS(flags, _x) … struct mtk_smi_reg_pair { … }; enum mtk_smi_type { … }; /* larbs: Require apb/smi clocks while gals is optional. */ static const char * const mtk_smi_larb_clks[] = …; #define MTK_SMI_LARB_REQ_CLK_NR … #define MTK_SMI_LARB_OPT_CLK_NR … /* * common: Require these four clocks in has_gals case. Otherwise, only apb/smi are required. * sub common: Require apb/smi/gals0 clocks in has_gals case. Otherwise, only apb/smi are required. */ static const char * const mtk_smi_common_clks[] = …; #define MTK_SMI_CLK_NR_MAX … #define MTK_SMI_COM_REQ_CLK_NR … #define MTK_SMI_COM_GALS_REQ_CLK_NR … #define MTK_SMI_SUB_COM_GALS_REQ_CLK_NR … struct mtk_smi_common_plat { … }; struct mtk_smi_larb_gen { … }; struct mtk_smi { … }; struct mtk_smi_larb { … }; static int mtk_smi_larb_bind(struct device *dev, struct device *master, void *data) { … } static void mtk_smi_larb_unbind(struct device *dev, struct device *master, void *data) { … } static const struct component_ops mtk_smi_larb_component_ops = …; static int mtk_smi_larb_config_port_gen1(struct device *dev) { … } static int mtk_smi_larb_config_port_mt8167(struct device *dev) { … } static int mtk_smi_larb_config_port_mt8173(struct device *dev) { … } static int mtk_smi_larb_config_port_gen2_general(struct device *dev) { … } static const u8 mtk_smi_larb_mt8188_ostd[][SMI_LARB_PORT_NR_MAX] = …; static const u8 mtk_smi_larb_mt8195_ostd[][SMI_LARB_PORT_NR_MAX] = …; static const struct mtk_smi_larb_gen mtk_smi_larb_mt2701 = …; static const struct mtk_smi_larb_gen mtk_smi_larb_mt2712 = …; static const struct mtk_smi_larb_gen mtk_smi_larb_mt6779 = …; static const struct mtk_smi_larb_gen mtk_smi_larb_mt8167 = …; static const struct mtk_smi_larb_gen mtk_smi_larb_mt8173 = …; static const struct mtk_smi_larb_gen mtk_smi_larb_mt8183 = …; static const struct mtk_smi_larb_gen mtk_smi_larb_mt8186 = …; static const struct mtk_smi_larb_gen mtk_smi_larb_mt8188 = …; static const struct mtk_smi_larb_gen mtk_smi_larb_mt8192 = …; static const struct mtk_smi_larb_gen mtk_smi_larb_mt8195 = …; static const struct of_device_id mtk_smi_larb_of_ids[] = …; MODULE_DEVICE_TABLE(of, mtk_smi_larb_of_ids); static int mtk_smi_larb_sleep_ctrl_enable(struct mtk_smi_larb *larb) { … } static void mtk_smi_larb_sleep_ctrl_disable(struct mtk_smi_larb *larb) { … } static int mtk_smi_device_link_common(struct device *dev, struct device **com_dev) { … } static int mtk_smi_dts_clk_init(struct device *dev, struct mtk_smi *smi, const char * const clks[], unsigned int clk_nr_required, unsigned int clk_nr_optional) { … } static int mtk_smi_larb_probe(struct platform_device *pdev) { … } static void mtk_smi_larb_remove(struct platform_device *pdev) { … } static int __maybe_unused mtk_smi_larb_resume(struct device *dev) { … } static int __maybe_unused mtk_smi_larb_suspend(struct device *dev) { … } static const struct dev_pm_ops smi_larb_pm_ops = …; static struct platform_driver mtk_smi_larb_driver = …; static const struct mtk_smi_reg_pair mtk_smi_common_mt6795_init[SMI_COMMON_INIT_REGS_NR] = …; static const struct mtk_smi_reg_pair mtk_smi_common_mt8195_init[SMI_COMMON_INIT_REGS_NR] = …; static const struct mtk_smi_common_plat mtk_smi_common_gen1 = …; static const struct mtk_smi_common_plat mtk_smi_common_gen2 = …; static const struct mtk_smi_common_plat mtk_smi_common_mt6779 = …; static const struct mtk_smi_common_plat mtk_smi_common_mt6795 = …; static const struct mtk_smi_common_plat mtk_smi_common_mt8183 = …; static const struct mtk_smi_common_plat mtk_smi_common_mt8186 = …; static const struct mtk_smi_common_plat mtk_smi_common_mt8188_vdo = …; static const struct mtk_smi_common_plat mtk_smi_common_mt8188_vpp = …; static const struct mtk_smi_common_plat mtk_smi_common_mt8192 = …; static const struct mtk_smi_common_plat mtk_smi_common_mt8195_vdo = …; static const struct mtk_smi_common_plat mtk_smi_common_mt8195_vpp = …; static const struct mtk_smi_common_plat mtk_smi_sub_common_mt8195 = …; static const struct mtk_smi_common_plat mtk_smi_common_mt8365 = …; static const struct of_device_id mtk_smi_common_of_ids[] = …; MODULE_DEVICE_TABLE(of, mtk_smi_common_of_ids); static int mtk_smi_common_probe(struct platform_device *pdev) { … } static void mtk_smi_common_remove(struct platform_device *pdev) { … } static int __maybe_unused mtk_smi_common_resume(struct device *dev) { … } static int __maybe_unused mtk_smi_common_suspend(struct device *dev) { … } static const struct dev_pm_ops smi_common_pm_ops = …; static struct platform_driver mtk_smi_common_driver = …; static struct platform_driver * const smidrivers[] = …; static int __init mtk_smi_init(void) { … } module_init(…) …; static void __exit mtk_smi_exit(void) { … } module_exit(mtk_smi_exit); MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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