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-mt8186-infra_ao.c (11080B)


      1// SPDX-License-Identifier: GPL-2.0-only
      2//
      3// Copyright (c) 2022 MediaTek Inc.
      4// Author: Chun-Jie Chen <chun-jie.chen@mediatek.com>
      5
      6#include <linux/clk-provider.h>
      7#include <linux/platform_device.h>
      8#include <dt-bindings/clock/mt8186-clk.h>
      9
     10#include "clk-gate.h"
     11#include "clk-mtk.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
     37#define GATE_INFRA_AO0_FLAGS(_id, _name, _parent, _shift, _flag)	\
     38	GATE_MTK_FLAGS(_id, _name, _parent, &infra_ao0_cg_regs, _shift,	\
     39		&mtk_clk_gate_ops_setclr, _flag)
     40
     41#define GATE_INFRA_AO0(_id, _name, _parent, _shift)			\
     42	GATE_INFRA_AO0_FLAGS(_id, _name, _parent, _shift, 0)
     43
     44#define GATE_INFRA_AO1_FLAGS(_id, _name, _parent, _shift, _flag)	\
     45	GATE_MTK_FLAGS(_id, _name, _parent, &infra_ao1_cg_regs, _shift,	\
     46		&mtk_clk_gate_ops_setclr, _flag)
     47
     48#define GATE_INFRA_AO1(_id, _name, _parent, _shift)			\
     49	GATE_INFRA_AO1_FLAGS(_id, _name, _parent, _shift, 0)
     50
     51#define GATE_INFRA_AO2_FLAGS(_id, _name, _parent, _shift, _flag)	\
     52	GATE_MTK_FLAGS(_id, _name, _parent, &infra_ao2_cg_regs, _shift, \
     53		&mtk_clk_gate_ops_setclr, _flag)
     54
     55#define GATE_INFRA_AO2(_id, _name, _parent, _shift)			\
     56	GATE_INFRA_AO2_FLAGS(_id, _name, _parent, _shift, 0)
     57
     58 #define GATE_INFRA_AO3_FLAGS(_id, _name, _parent, _shift, _flag)        \
     59	GATE_MTK_FLAGS(_id, _name, _parent, &infra_ao3_cg_regs, _shift, \
     60		&mtk_clk_gate_ops_setclr, _flag)
     61
     62#define GATE_INFRA_AO3(_id, _name, _parent, _shift)			\
     63	GATE_INFRA_AO3_FLAGS(_id, _name, _parent, _shift, 0)
     64
     65static const struct mtk_gate infra_ao_clks[] = {
     66	/* INFRA_AO0 */
     67	GATE_INFRA_AO0(CLK_INFRA_AO_PMIC_TMR, "infra_ao_pmic_tmr", "top_pwrap_ulposc", 0),
     68	GATE_INFRA_AO0(CLK_INFRA_AO_PMIC_AP, "infra_ao_pmic_ap", "top_pwrap_ulposc", 1),
     69	GATE_INFRA_AO0(CLK_INFRA_AO_PMIC_MD, "infra_ao_pmic_md", "top_pwrap_ulposc", 2),
     70	GATE_INFRA_AO0(CLK_INFRA_AO_PMIC_CONN, "infra_ao_pmic_conn", "top_pwrap_ulposc", 3),
     71	/* infra_ao_scp_core are main clock in always-on co-processor. */
     72	GATE_INFRA_AO0_FLAGS(CLK_INFRA_AO_SCP_CORE,
     73			     "infra_ao_scp_core", "top_scp", 4, CLK_IS_CRITICAL),
     74	/* infra_ao_sej is main clock for secure engine with JTAG support */
     75	GATE_INFRA_AO0_FLAGS(CLK_INFRA_AO_SEJ,
     76			     "infra_ao_sej", "top_axi", 5, CLK_IS_CRITICAL),
     77	GATE_INFRA_AO0(CLK_INFRA_AO_APXGPT, "infra_ao_apxgpt", "top_axi", 6),
     78	GATE_INFRA_AO0(CLK_INFRA_AO_ICUSB, "infra_ao_icusb", "top_axi", 8),
     79	GATE_INFRA_AO0(CLK_INFRA_AO_GCE, "infra_ao_gce", "top_axi", 9),
     80	GATE_INFRA_AO0(CLK_INFRA_AO_THERM, "infra_ao_therm", "top_axi", 10),
     81	GATE_INFRA_AO0(CLK_INFRA_AO_I2C_AP, "infra_ao_i2c_ap", "top_i2c", 11),
     82	GATE_INFRA_AO0(CLK_INFRA_AO_I2C_CCU, "infra_ao_i2c_ccu", "top_i2c", 12),
     83	GATE_INFRA_AO0(CLK_INFRA_AO_I2C_SSPM, "infra_ao_i2c_sspm", "top_i2c", 13),
     84	GATE_INFRA_AO0(CLK_INFRA_AO_I2C_RSV, "infra_ao_i2c_rsv", "top_i2c", 14),
     85	GATE_INFRA_AO0(CLK_INFRA_AO_PWM_HCLK, "infra_ao_pwm_hclk", "top_axi", 15),
     86	GATE_INFRA_AO0(CLK_INFRA_AO_PWM1, "infra_ao_pwm1", "top_pwm", 16),
     87	GATE_INFRA_AO0(CLK_INFRA_AO_PWM2, "infra_ao_pwm2", "top_pwm", 17),
     88	GATE_INFRA_AO0(CLK_INFRA_AO_PWM3, "infra_ao_pwm3", "top_pwm", 18),
     89	GATE_INFRA_AO0(CLK_INFRA_AO_PWM4, "infra_ao_pwm4", "top_pwm", 19),
     90	GATE_INFRA_AO0(CLK_INFRA_AO_PWM5, "infra_ao_pwm5", "top_pwm", 20),
     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_GCE_26M, "infra_ao_gce_26m", "clk26m", 27),
     96	GATE_INFRA_AO0(CLK_INFRA_AO_CQ_DMA_FPC, "infra_ao_dma", "top_axi", 28),
     97	GATE_INFRA_AO0(CLK_INFRA_AO_BTIF, "infra_ao_btif", "top_axi", 31),
     98	/* INFRA_AO1 */
     99	GATE_INFRA_AO1(CLK_INFRA_AO_SPI0, "infra_ao_spi0", "top_spi", 1),
    100	GATE_INFRA_AO1(CLK_INFRA_AO_MSDC0, "infra_ao_msdc0", "top_msdc5hclk", 2),
    101	GATE_INFRA_AO1(CLK_INFRA_AO_MSDCFDE, "infra_ao_msdcfde", "top_aes_msdcfde", 3),
    102	GATE_INFRA_AO1(CLK_INFRA_AO_MSDC1, "infra_ao_msdc1", "top_axi", 4),
    103	/* infra_ao_dvfsrc is for internal DVFS usage, should not be handled by Linux */
    104	GATE_INFRA_AO1_FLAGS(CLK_INFRA_AO_DVFSRC,
    105			     "infra_ao_dvfsrc", "top_dvfsrc", 7, CLK_IS_CRITICAL),
    106	GATE_INFRA_AO1(CLK_INFRA_AO_GCPU, "infra_ao_gcpu", "top_axi", 8),
    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_CCIF1_AP, "infra_ao_ccif1_ap", "top_axi", 12),
    111	GATE_INFRA_AO1(CLK_INFRA_AO_CCIF1_MD, "infra_ao_ccif1_md", "top_axi", 13),
    112	GATE_INFRA_AO1(CLK_INFRA_AO_AUXADC_MD, "infra_ao_auxadc_md", "clk26m", 14),
    113	GATE_INFRA_AO1(CLK_INFRA_AO_AP_DMA, "infra_ao_ap_dma", "top_axi", 18),
    114	GATE_INFRA_AO1(CLK_INFRA_AO_XIU, "infra_ao_xiu", "top_axi", 19),
    115	/* infra_ao_device_apc is for device access permission control module */
    116	GATE_INFRA_AO1_FLAGS(CLK_INFRA_AO_DEVICE_APC,
    117			     "infra_ao_dapc", "top_axi", 20, CLK_IS_CRITICAL),
    118	GATE_INFRA_AO1(CLK_INFRA_AO_CCIF_AP, "infra_ao_ccif_ap", "top_axi", 23),
    119	GATE_INFRA_AO1(CLK_INFRA_AO_DEBUGTOP, "infra_ao_debugtop", "top_axi", 24),
    120	GATE_INFRA_AO1(CLK_INFRA_AO_AUDIO, "infra_ao_audio", "top_axi", 25),
    121	GATE_INFRA_AO1(CLK_INFRA_AO_CCIF_MD, "infra_ao_ccif_md", "top_axi", 26),
    122	GATE_INFRA_AO1(CLK_INFRA_AO_DXCC_SEC_CORE, "infra_ao_secore", "top_dxcc", 27),
    123	GATE_INFRA_AO1(CLK_INFRA_AO_DXCC_AO, "infra_ao_dxcc_ao", "top_dxcc", 28),
    124	GATE_INFRA_AO1(CLK_INFRA_AO_IMP_IIC, "infra_ao_imp_iic", "top_axi", 29),
    125	GATE_INFRA_AO1(CLK_INFRA_AO_DRAMC_F26M, "infra_ao_dramc26", "clk26m", 31),
    126	/* INFRA_AO2 */
    127	GATE_INFRA_AO2(CLK_INFRA_AO_RG_PWM_FBCLK6, "infra_ao_pwm_fbclk6", "clk26m", 0),
    128	GATE_INFRA_AO2(CLK_INFRA_AO_SSUSB_TOP_HCLK, "infra_ao_ssusb_hclk", "top_axi", 1),
    129	GATE_INFRA_AO2(CLK_INFRA_AO_DISP_PWM, "infra_ao_disp_pwm", "top_disp_pwm", 2),
    130	GATE_INFRA_AO2(CLK_INFRA_AO_CLDMA_BCLK, "infra_ao_cldmabclk", "top_axi", 3),
    131	GATE_INFRA_AO2(CLK_INFRA_AO_AUDIO_26M_BCLK, "infra_ao_audio26m", "clk26m", 4),
    132	GATE_INFRA_AO2(CLK_INFRA_AO_SSUSB_TOP_P1_HCLK, "infra_ao_ssusb_p1_hclk", "top_axi", 5),
    133	GATE_INFRA_AO2(CLK_INFRA_AO_SPI1, "infra_ao_spi1", "top_spi", 6),
    134	GATE_INFRA_AO2(CLK_INFRA_AO_I2C4, "infra_ao_i2c4", "top_i2c", 7),
    135	GATE_INFRA_AO2(CLK_INFRA_AO_MODEM_TEMP_SHARE, "infra_ao_mdtemp", "clk26m", 8),
    136	GATE_INFRA_AO2(CLK_INFRA_AO_SPI2, "infra_ao_spi2", "top_spi", 9),
    137	GATE_INFRA_AO2(CLK_INFRA_AO_SPI3, "infra_ao_spi3", "top_spi", 10),
    138	GATE_INFRA_AO2(CLK_INFRA_AO_SSUSB_TOP_REF, "infra_ao_ssusb_ref", "clk26m", 11),
    139	GATE_INFRA_AO2(CLK_INFRA_AO_SSUSB_TOP_XHCI, "infra_ao_ssusb_xhci", "top_ssusb_xhci", 12),
    140	GATE_INFRA_AO2(CLK_INFRA_AO_SSUSB_TOP_P1_REF, "infra_ao_ssusb_p1_ref", "clk26m", 13),
    141	GATE_INFRA_AO2(CLK_INFRA_AO_SSUSB_TOP_P1_XHCI,
    142		       "infra_ao_ssusb_p1_xhci", "top_ssusb_xhci_1p", 14),
    143	/* infra_ao_sspm is main clock in co-processor, should not be closed in Linux. */
    144	GATE_INFRA_AO2_FLAGS(CLK_INFRA_AO_SSPM, "infra_ao_sspm", "top_sspm", 15, CLK_IS_CRITICAL),
    145	GATE_INFRA_AO2(CLK_INFRA_AO_SSUSB_TOP_P1_SYS,
    146		       "infra_ao_ssusb_p1_sys", "top_ssusb_1p", 16),
    147	GATE_INFRA_AO2(CLK_INFRA_AO_I2C5, "infra_ao_i2c5", "top_i2c", 18),
    148	GATE_INFRA_AO2(CLK_INFRA_AO_I2C5_ARBITER, "infra_ao_i2c5a", "top_i2c", 19),
    149	GATE_INFRA_AO2(CLK_INFRA_AO_I2C5_IMM, "infra_ao_i2c5_imm", "top_i2c", 20),
    150	GATE_INFRA_AO2(CLK_INFRA_AO_I2C1_ARBITER, "infra_ao_i2c1a", "top_i2c", 21),
    151	GATE_INFRA_AO2(CLK_INFRA_AO_I2C1_IMM, "infra_ao_i2c1_imm", "top_i2c", 22),
    152	GATE_INFRA_AO2(CLK_INFRA_AO_I2C2_ARBITER, "infra_ao_i2c2a", "top_i2c", 23),
    153	GATE_INFRA_AO2(CLK_INFRA_AO_I2C2_IMM, "infra_ao_i2c2_imm", "top_i2c", 24),
    154	GATE_INFRA_AO2(CLK_INFRA_AO_SPI4, "infra_ao_spi4", "top_spi", 25),
    155	GATE_INFRA_AO2(CLK_INFRA_AO_SPI5, "infra_ao_spi5", "top_spi", 26),
    156	GATE_INFRA_AO2(CLK_INFRA_AO_CQ_DMA, "infra_ao_cq_dma", "top_axi", 27),
    157	GATE_INFRA_AO2(CLK_INFRA_AO_BIST2FPC, "infra_ao_bist2fpc", "f_bist2fpc_ck", 28),
    158	/* INFRA_AO3 */
    159	GATE_INFRA_AO3(CLK_INFRA_AO_MSDC0_SELF, "infra_ao_msdc0sf", "top_msdc50_0", 0),
    160	GATE_INFRA_AO3(CLK_INFRA_AO_SPINOR, "infra_ao_spinor", "top_spinor", 1),
    161	/*
    162	 * infra_ao_sspm_26m/infra_ao_sspm_32k are main clocks in co-processor,
    163	 * should not be closed in Linux.
    164	 */
    165	GATE_INFRA_AO3_FLAGS(CLK_INFRA_AO_SSPM_26M_SELF, "infra_ao_sspm_26m", "clk26m", 3,
    166			     CLK_IS_CRITICAL),
    167	GATE_INFRA_AO3_FLAGS(CLK_INFRA_AO_SSPM_32K_SELF, "infra_ao_sspm_32k", "clk32k", 4,
    168			     CLK_IS_CRITICAL),
    169	GATE_INFRA_AO3(CLK_INFRA_AO_I2C6, "infra_ao_i2c6", "top_i2c", 6),
    170	GATE_INFRA_AO3(CLK_INFRA_AO_AP_MSDC0, "infra_ao_ap_msdc0", "top_axi", 7),
    171	GATE_INFRA_AO3(CLK_INFRA_AO_MD_MSDC0, "infra_ao_md_msdc0", "top_axi", 8),
    172	GATE_INFRA_AO3(CLK_INFRA_AO_MSDC0_SRC, "infra_ao_msdc0_clk", "top_msdc50_0", 9),
    173	GATE_INFRA_AO3(CLK_INFRA_AO_MSDC1_SRC, "infra_ao_msdc1_clk", "top_msdc30_1", 10),
    174	/* infra_ao_sej_f13m is main clock for secure engine with JTAG support */
    175	GATE_INFRA_AO3_FLAGS(CLK_INFRA_AO_SEJ_F13M,
    176			     "infra_ao_sej_f13m", "clk26m", 15, CLK_IS_CRITICAL),
    177	/* infra_ao_aes_top0_bclk is for secure encryption */
    178	GATE_INFRA_AO3_FLAGS(CLK_INFRA_AO_AES_TOP0_BCLK,
    179			     "infra_ao_aes_top0_bclk", "top_axi", 16, CLK_IS_CRITICAL),
    180	GATE_INFRA_AO3(CLK_INFRA_AO_MCU_PM_BCLK, "infra_ao_mcu_pm_bclk", "top_axi", 17),
    181	GATE_INFRA_AO3(CLK_INFRA_AO_CCIF2_AP, "infra_ao_ccif2_ap", "top_axi", 18),
    182	GATE_INFRA_AO3(CLK_INFRA_AO_CCIF2_MD, "infra_ao_ccif2_md", "top_axi", 19),
    183	GATE_INFRA_AO3(CLK_INFRA_AO_CCIF3_AP, "infra_ao_ccif3_ap", "top_axi", 20),
    184	GATE_INFRA_AO3(CLK_INFRA_AO_CCIF3_MD, "infra_ao_ccif3_md", "top_axi", 21),
    185	GATE_INFRA_AO3(CLK_INFRA_AO_FADSP_26M, "infra_ao_fadsp_26m", "clk26m", 22),
    186	GATE_INFRA_AO3(CLK_INFRA_AO_FADSP_32K, "infra_ao_fadsp_32k", "clk32k", 23),
    187	GATE_INFRA_AO3(CLK_INFRA_AO_CCIF4_AP, "infra_ao_ccif4_ap", "top_axi", 24),
    188	GATE_INFRA_AO3(CLK_INFRA_AO_CCIF4_MD, "infra_ao_ccif4_md", "top_axi", 25),
    189	GATE_INFRA_AO3(CLK_INFRA_AO_FADSP, "infra_ao_fadsp", "top_audiodsp", 27),
    190	GATE_INFRA_AO3(CLK_INFRA_AO_FLASHIF_133M, "infra_ao_flashif_133m", "top_axi", 28),
    191	GATE_INFRA_AO3(CLK_INFRA_AO_FLASHIF_66M, "infra_ao_flashif_66m", "top_axi", 29),
    192};
    193
    194static const struct mtk_clk_desc infra_ao_desc = {
    195	.clks = infra_ao_clks,
    196	.num_clks = ARRAY_SIZE(infra_ao_clks),
    197};
    198
    199static const struct of_device_id of_match_clk_mt8186_infra_ao[] = {
    200	{
    201		.compatible = "mediatek,mt8186-infracfg_ao",
    202		.data = &infra_ao_desc,
    203	}, {
    204		/* sentinel */
    205	}
    206};
    207
    208static struct platform_driver clk_mt8186_infra_ao_drv = {
    209	.probe = mtk_clk_simple_probe,
    210	.remove = mtk_clk_simple_remove,
    211	.driver = {
    212		.name = "clk-mt8186-infra-ao",
    213		.of_match_table = of_match_clk_mt8186_infra_ao,
    214	},
    215};
    216builtin_platform_driver(clk_mt8186_infra_ao_drv);