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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clk-mt8195-infra_ao.c (10584B)


      1// SPDX-License-Identifier: GPL-2.0-only
      2//
      3// Copyright (c) 2021 MediaTek Inc.
      4// Author: Chun-Jie Chen <chun-jie.chen@mediatek.com>
      5
      6#include "clk-gate.h"
      7#include "clk-mtk.h"
      8
      9#include <dt-bindings/clock/mt8195-clk.h>
     10#include <linux/clk-provider.h>
     11#include <linux/platform_device.h>
     12
     13static const struct mtk_gate_regs infra_ao0_cg_regs = {
     14	.set_ofs = 0x80,
     15	.clr_ofs = 0x84,
     16	.sta_ofs = 0x90,
     17};
     18
     19static const struct mtk_gate_regs infra_ao1_cg_regs = {
     20	.set_ofs = 0x88,
     21	.clr_ofs = 0x8c,
     22	.sta_ofs = 0x94,
     23};
     24
     25static const struct mtk_gate_regs infra_ao2_cg_regs = {
     26	.set_ofs = 0xa4,
     27	.clr_ofs = 0xa8,
     28	.sta_ofs = 0xac,
     29};
     30
     31static const struct mtk_gate_regs infra_ao3_cg_regs = {
     32	.set_ofs = 0xc0,
     33	.clr_ofs = 0xc4,
     34	.sta_ofs = 0xc8,
     35};
     36
     37static const struct mtk_gate_regs infra_ao4_cg_regs = {
     38	.set_ofs = 0xe0,
     39	.clr_ofs = 0xe4,
     40	.sta_ofs = 0xe8,
     41};
     42
     43#define GATE_INFRA_AO0_FLAGS(_id, _name, _parent, _shift, _flag)                \
     44	GATE_MTK_FLAGS(_id, _name, _parent, &infra_ao0_cg_regs, _shift, \
     45		&mtk_clk_gate_ops_setclr, _flag)
     46
     47#define GATE_INFRA_AO0(_id, _name, _parent, _shift)	\
     48	GATE_INFRA_AO0_FLAGS(_id, _name, _parent, _shift, 0)
     49
     50#define GATE_INFRA_AO1_FLAGS(_id, _name, _parent, _shift, _flag)		\
     51	GATE_MTK_FLAGS(_id, _name, _parent, &infra_ao1_cg_regs, _shift,	\
     52		&mtk_clk_gate_ops_setclr, _flag)
     53
     54#define GATE_INFRA_AO1(_id, _name, _parent, _shift)	\
     55	GATE_INFRA_AO1_FLAGS(_id, _name, _parent, _shift, 0)
     56
     57#define GATE_INFRA_AO2(_id, _name, _parent, _shift)			\
     58	GATE_MTK(_id, _name, _parent, &infra_ao2_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
     59
     60#define GATE_INFRA_AO3_FLAGS(_id, _name, _parent, _shift, _flag)		\
     61	GATE_MTK_FLAGS(_id, _name, _parent, &infra_ao3_cg_regs, _shift,	\
     62		&mtk_clk_gate_ops_setclr, _flag)
     63
     64#define GATE_INFRA_AO3(_id, _name, _parent, _shift)	\
     65	GATE_INFRA_AO3_FLAGS(_id, _name, _parent, _shift, 0)
     66
     67#define GATE_INFRA_AO4_FLAGS(_id, _name, _parent, _shift, _flag)		\
     68	GATE_MTK_FLAGS(_id, _name, _parent, &infra_ao4_cg_regs, _shift,	\
     69		&mtk_clk_gate_ops_setclr, _flag)
     70
     71#define GATE_INFRA_AO4(_id, _name, _parent, _shift)	\
     72	GATE_INFRA_AO4_FLAGS(_id, _name, _parent, _shift, 0)
     73
     74static const struct mtk_gate infra_ao_clks[] = {
     75	/* INFRA_AO0 */
     76	GATE_INFRA_AO0(CLK_INFRA_AO_PMIC_TMR, "infra_ao_pmic_tmr", "top_pwrap_ulposc", 0),
     77	GATE_INFRA_AO0(CLK_INFRA_AO_PMIC_AP, "infra_ao_pmic_ap", "top_pwrap_ulposc", 1),
     78	GATE_INFRA_AO0(CLK_INFRA_AO_PMIC_MD, "infra_ao_pmic_md", "top_pwrap_ulposc", 2),
     79	GATE_INFRA_AO0(CLK_INFRA_AO_PMIC_CONN, "infra_ao_pmic_conn", "top_pwrap_ulposc", 3),
     80	/* infra_ao_sej is main clock is for secure engine with JTAG support */
     81	GATE_INFRA_AO0_FLAGS(CLK_INFRA_AO_SEJ, "infra_ao_sej", "top_axi", 5, CLK_IS_CRITICAL),
     82	GATE_INFRA_AO0(CLK_INFRA_AO_APXGPT, "infra_ao_apxgpt", "top_axi", 6),
     83	GATE_INFRA_AO0(CLK_INFRA_AO_GCE, "infra_ao_gce", "top_axi", 8),
     84	GATE_INFRA_AO0(CLK_INFRA_AO_GCE2, "infra_ao_gce2", "top_axi", 9),
     85	GATE_INFRA_AO0(CLK_INFRA_AO_THERM, "infra_ao_therm", "top_axi", 10),
     86	GATE_INFRA_AO0(CLK_INFRA_AO_PWM_H, "infra_ao_pwm_h", "top_axi", 15),
     87	GATE_INFRA_AO0(CLK_INFRA_AO_PWM1, "infra_ao_pwm1", "top_pwm", 16),
     88	GATE_INFRA_AO0(CLK_INFRA_AO_PWM2, "infra_ao_pwm2", "top_pwm", 17),
     89	GATE_INFRA_AO0(CLK_INFRA_AO_PWM3, "infra_ao_pwm3", "top_pwm", 18),
     90	GATE_INFRA_AO0(CLK_INFRA_AO_PWM4, "infra_ao_pwm4", "top_pwm", 19),
     91	GATE_INFRA_AO0(CLK_INFRA_AO_PWM, "infra_ao_pwm", "top_pwm", 21),
     92	GATE_INFRA_AO0(CLK_INFRA_AO_UART0, "infra_ao_uart0", "top_uart", 22),
     93	GATE_INFRA_AO0(CLK_INFRA_AO_UART1, "infra_ao_uart1", "top_uart", 23),
     94	GATE_INFRA_AO0(CLK_INFRA_AO_UART2, "infra_ao_uart2", "top_uart", 24),
     95	GATE_INFRA_AO0(CLK_INFRA_AO_UART3, "infra_ao_uart3", "top_uart", 25),
     96	GATE_INFRA_AO0(CLK_INFRA_AO_UART4, "infra_ao_uart4", "top_uart", 26),
     97	GATE_INFRA_AO0(CLK_INFRA_AO_GCE_26M, "infra_ao_gce_26m", "clk26m", 27),
     98	GATE_INFRA_AO0(CLK_INFRA_AO_CQ_DMA_FPC, "infra_ao_cq_dma_fpc", "fpc", 28),
     99	GATE_INFRA_AO0(CLK_INFRA_AO_UART5, "infra_ao_uart5", "top_uart", 29),
    100	/* INFRA_AO1 */
    101	GATE_INFRA_AO1(CLK_INFRA_AO_HDMI_26M, "infra_ao_hdmi_26m", "clk26m", 0),
    102	GATE_INFRA_AO1(CLK_INFRA_AO_SPI0, "infra_ao_spi0", "top_spi", 1),
    103	GATE_INFRA_AO1(CLK_INFRA_AO_MSDC0, "infra_ao_msdc0", "top_msdc50_0_hclk", 2),
    104	GATE_INFRA_AO1(CLK_INFRA_AO_MSDC1, "infra_ao_msdc1", "top_axi", 4),
    105	GATE_INFRA_AO1(CLK_INFRA_AO_CG1_MSDC2, "infra_ao_cg1_msdc2", "top_axi", 5),
    106	GATE_INFRA_AO1(CLK_INFRA_AO_MSDC0_SRC, "infra_ao_msdc0_src", "top_msdc50_0", 6),
    107	GATE_INFRA_AO1(CLK_INFRA_AO_TRNG, "infra_ao_trng", "top_axi", 9),
    108	GATE_INFRA_AO1(CLK_INFRA_AO_AUXADC, "infra_ao_auxadc", "clk26m", 10),
    109	GATE_INFRA_AO1(CLK_INFRA_AO_CPUM, "infra_ao_cpum", "top_axi", 11),
    110	GATE_INFRA_AO1(CLK_INFRA_AO_HDMI_32K, "infra_ao_hdmi_32k", "clk32k", 12),
    111	GATE_INFRA_AO1(CLK_INFRA_AO_CEC_66M_H, "infra_ao_cec_66m_h", "top_axi", 13),
    112	GATE_INFRA_AO1(CLK_INFRA_AO_IRRX, "infra_ao_irrx", "top_axi", 14),
    113	GATE_INFRA_AO1(CLK_INFRA_AO_PCIE_TL_26M, "infra_ao_pcie_tl_26m", "clk26m", 15),
    114	GATE_INFRA_AO1(CLK_INFRA_AO_MSDC1_SRC, "infra_ao_msdc1_src", "top_msdc30_1", 16),
    115	GATE_INFRA_AO1(CLK_INFRA_AO_CEC_66M_B, "infra_ao_cec_66m_b", "top_axi", 17),
    116	GATE_INFRA_AO1(CLK_INFRA_AO_PCIE_TL_96M, "infra_ao_pcie_tl_96m", "top_tl", 18),
    117	/* infra_ao_device_apc is for device access permission control module */
    118	GATE_INFRA_AO1_FLAGS(CLK_INFRA_AO_DEVICE_APC, "infra_ao_device_apc", "top_axi", 20,
    119			     CLK_IS_CRITICAL),
    120	GATE_INFRA_AO1(CLK_INFRA_AO_ECC_66M_H, "infra_ao_ecc_66m_h", "top_axi", 23),
    121	GATE_INFRA_AO1(CLK_INFRA_AO_DEBUGSYS, "infra_ao_debugsys", "top_axi", 24),
    122	GATE_INFRA_AO1(CLK_INFRA_AO_AUDIO, "infra_ao_audio", "top_axi", 25),
    123	GATE_INFRA_AO1(CLK_INFRA_AO_PCIE_TL_32K, "infra_ao_pcie_tl_32k", "clk32k", 26),
    124	GATE_INFRA_AO1(CLK_INFRA_AO_DBG_TRACE, "infra_ao_dbg_trace", "top_axi", 29),
    125	GATE_INFRA_AO1(CLK_INFRA_AO_DRAMC_F26M, "infra_ao_dramc_f26m", "clk26m", 31),
    126	/* INFRA_AO2 */
    127	GATE_INFRA_AO2(CLK_INFRA_AO_IRTX, "infra_ao_irtx", "top_axi", 0),
    128	GATE_INFRA_AO2(CLK_INFRA_AO_SSUSB, "infra_ao_ssusb", "top_usb_top", 1),
    129	GATE_INFRA_AO2(CLK_INFRA_AO_DISP_PWM, "infra_ao_disp_pwm", "top_disp_pwm0", 2),
    130	GATE_INFRA_AO2(CLK_INFRA_AO_CLDMA_B, "infra_ao_cldma_b", "top_axi", 3),
    131	GATE_INFRA_AO2(CLK_INFRA_AO_AUDIO_26M_B, "infra_ao_audio_26m_b", "clk26m", 4),
    132	GATE_INFRA_AO2(CLK_INFRA_AO_SPI1, "infra_ao_spi1", "top_spi", 6),
    133	GATE_INFRA_AO2(CLK_INFRA_AO_SPI2, "infra_ao_spi2", "top_spi", 9),
    134	GATE_INFRA_AO2(CLK_INFRA_AO_SPI3, "infra_ao_spi3", "top_spi", 10),
    135	GATE_INFRA_AO2(CLK_INFRA_AO_UNIPRO_SYS, "infra_ao_unipro_sys", "top_ufs", 11),
    136	GATE_INFRA_AO2(CLK_INFRA_AO_UNIPRO_TICK, "infra_ao_unipro_tick", "top_ufs_tick1us", 12),
    137	GATE_INFRA_AO2(CLK_INFRA_AO_UFS_MP_SAP_B, "infra_ao_ufs_mp_sap_b", "top_ufs_mp_sap_cfg", 13),
    138	GATE_INFRA_AO2(CLK_INFRA_AO_PWRMCU, "infra_ao_pwrmcu", "top_pwrmcu", 15),
    139	GATE_INFRA_AO2(CLK_INFRA_AO_PWRMCU_BUS_H, "infra_ao_pwrmcu_bus_h", "top_axi", 17),
    140	GATE_INFRA_AO2(CLK_INFRA_AO_APDMA_B, "infra_ao_apdma_b", "top_axi", 18),
    141	GATE_INFRA_AO2(CLK_INFRA_AO_SPI4, "infra_ao_spi4", "top_spi", 25),
    142	GATE_INFRA_AO2(CLK_INFRA_AO_SPI5, "infra_ao_spi5", "top_spi", 26),
    143	GATE_INFRA_AO2(CLK_INFRA_AO_CQ_DMA, "infra_ao_cq_dma", "top_axi", 27),
    144	GATE_INFRA_AO2(CLK_INFRA_AO_AES_UFSFDE, "infra_ao_aes_ufsfde", "top_ufs", 28),
    145	GATE_INFRA_AO2(CLK_INFRA_AO_AES, "infra_ao_aes", "top_aes_ufsfde", 29),
    146	GATE_INFRA_AO2(CLK_INFRA_AO_UFS_TICK, "infra_ao_ufs_tick", "top_ufs_tick1us", 30),
    147	GATE_INFRA_AO2(CLK_INFRA_AO_SSUSB_XHCI, "infra_ao_ssusb_xhci", "top_ssusb_xhci", 31),
    148	/* INFRA_AO3 */
    149	GATE_INFRA_AO3(CLK_INFRA_AO_MSDC0_SELF, "infra_ao_msdc0f", "top_msdc50_0", 0),
    150	GATE_INFRA_AO3(CLK_INFRA_AO_MSDC1_SELF, "infra_ao_msdc1f", "top_msdc50_0", 1),
    151	GATE_INFRA_AO3(CLK_INFRA_AO_MSDC2_SELF, "infra_ao_msdc2f", "top_msdc50_0", 2),
    152	GATE_INFRA_AO3(CLK_INFRA_AO_I2S_DMA, "infra_ao_i2s_dma", "top_axi", 5),
    153	GATE_INFRA_AO3(CLK_INFRA_AO_AP_MSDC0, "infra_ao_ap_msdc0", "top_msdc50_0", 7),
    154	GATE_INFRA_AO3(CLK_INFRA_AO_MD_MSDC0, "infra_ao_md_msdc0", "top_msdc50_0", 8),
    155	GATE_INFRA_AO3(CLK_INFRA_AO_CG3_MSDC2, "infra_ao_cg3_msdc2", "top_msdc30_2", 9),
    156	GATE_INFRA_AO3(CLK_INFRA_AO_GCPU, "infra_ao_gcpu", "top_gcpu", 10),
    157	GATE_INFRA_AO3(CLK_INFRA_AO_PCIE_PERI_26M, "infra_ao_pcie_peri_26m", "clk26m", 15),
    158	GATE_INFRA_AO3(CLK_INFRA_AO_GCPU_66M_B, "infra_ao_gcpu_66m_b", "top_axi", 16),
    159	GATE_INFRA_AO3(CLK_INFRA_AO_GCPU_133M_B, "infra_ao_gcpu_133m_b", "top_axi", 17),
    160	GATE_INFRA_AO3(CLK_INFRA_AO_DISP_PWM1, "infra_ao_disp_pwm1", "top_disp_pwm1", 20),
    161	GATE_INFRA_AO3(CLK_INFRA_AO_FBIST2FPC, "infra_ao_fbist2fpc", "top_msdc50_0", 24),
    162	/* infra_ao_device_apc_sync is for device access permission control module */
    163	GATE_INFRA_AO3_FLAGS(CLK_INFRA_AO_DEVICE_APC_SYNC, "infra_ao_device_apc_sync", "top_axi", 25,
    164			     CLK_IS_CRITICAL),
    165	GATE_INFRA_AO3(CLK_INFRA_AO_PCIE_P1_PERI_26M, "infra_ao_pcie_p1_peri_26m", "clk26m", 26),
    166	GATE_INFRA_AO3(CLK_INFRA_AO_SPIS0, "infra_ao_spis0", "top_spis", 28),
    167	GATE_INFRA_AO3(CLK_INFRA_AO_SPIS1, "infra_ao_spis1", "top_spis", 29),
    168	/* INFRA_AO4 */
    169	/* infra_ao_133m_m_peri infra_ao_66m_m_peri are main clocks of peripheral */
    170	GATE_INFRA_AO4_FLAGS(CLK_INFRA_AO_133M_M_PERI, "infra_ao_133m_m_peri", "top_axi", 0,
    171			     CLK_IS_CRITICAL),
    172	GATE_INFRA_AO4_FLAGS(CLK_INFRA_AO_66M_M_PERI, "infra_ao_66m_m_peri", "top_axi", 1,
    173			     CLK_IS_CRITICAL),
    174	GATE_INFRA_AO4(CLK_INFRA_AO_PCIE_PL_P_250M_P0, "infra_ao_pcie_pl_p_250m_p0", "pextp_pipe", 7),
    175	GATE_INFRA_AO4(CLK_INFRA_AO_PCIE_PL_P_250M_P1, "infra_ao_pcie_pl_p_250m_p1",
    176		       "ssusb_u3phy_p1_p_p0", 8),
    177	GATE_INFRA_AO4(CLK_INFRA_AO_PCIE_P1_TL_96M, "infra_ao_pcie_p1_tl_96m", "top_tl_p1", 17),
    178	GATE_INFRA_AO4(CLK_INFRA_AO_AES_MSDCFDE_0P, "infra_ao_aes_msdcfde_0p", "top_aes_msdcfde", 18),
    179	GATE_INFRA_AO4(CLK_INFRA_AO_UFS_TX_SYMBOL, "infra_ao_ufs_tx_symbol", "ufs_tx_symbol", 22),
    180	GATE_INFRA_AO4(CLK_INFRA_AO_UFS_RX_SYMBOL, "infra_ao_ufs_rx_symbol", "ufs_rx_symbol", 23),
    181	GATE_INFRA_AO4(CLK_INFRA_AO_UFS_RX_SYMBOL1, "infra_ao_ufs_rx_symbol1", "ufs_rx_symbol1", 24),
    182	GATE_INFRA_AO4(CLK_INFRA_AO_PERI_UFS_MEM_SUB, "infra_ao_peri_ufs_mem_sub", "mem_466m", 31),
    183};
    184
    185static const struct mtk_clk_desc infra_ao_desc = {
    186	.clks = infra_ao_clks,
    187	.num_clks = ARRAY_SIZE(infra_ao_clks),
    188};
    189
    190static const struct of_device_id of_match_clk_mt8195_infra_ao[] = {
    191	{
    192		.compatible = "mediatek,mt8195-infracfg_ao",
    193		.data = &infra_ao_desc,
    194	}, {
    195		/* sentinel */
    196	}
    197};
    198
    199static struct platform_driver clk_mt8195_infra_ao_drv = {
    200	.probe = mtk_clk_simple_probe,
    201	.remove = mtk_clk_simple_remove,
    202	.driver = {
    203		.name = "clk-mt8195-infra_ao",
    204		.of_match_table = of_match_clk_mt8195_infra_ao,
    205	},
    206};
    207builtin_platform_driver(clk_mt8195_infra_ao_drv);