163c13d61SErin Lo /* SPDX-License-Identifier: GPL-2.0 */ 263c13d61SErin Lo /* 363c13d61SErin Lo * Copyright (c) 2019 MediaTek Inc. 463c13d61SErin Lo */ 563c13d61SErin Lo 663c13d61SErin Lo #ifndef __RPROC_MTK_COMMON_H 763c13d61SErin Lo #define __RPROC_MTK_COMMON_H 863c13d61SErin Lo 963c13d61SErin Lo #include <linux/interrupt.h> 1063c13d61SErin Lo #include <linux/kernel.h> 1163c13d61SErin Lo #include <linux/platform_device.h> 1263c13d61SErin Lo #include <linux/remoteproc.h> 1363c13d61SErin Lo #include <linux/remoteproc/mtk_scp.h> 1463c13d61SErin Lo 1563c13d61SErin Lo #define MT8183_SW_RSTN 0x0 1663c13d61SErin Lo #define MT8183_SW_RSTN_BIT BIT(0) 1763c13d61SErin Lo #define MT8183_SCP_TO_HOST 0x1C 1863c13d61SErin Lo #define MT8183_SCP_IPC_INT_BIT BIT(0) 1963c13d61SErin Lo #define MT8183_SCP_WDT_INT_BIT BIT(8) 2063c13d61SErin Lo #define MT8183_HOST_TO_SCP 0x28 2163c13d61SErin Lo #define MT8183_HOST_IPC_INT_BIT BIT(0) 2263c13d61SErin Lo #define MT8183_WDT_CFG 0x84 2363c13d61SErin Lo #define MT8183_SCP_CLK_SW_SEL 0x4000 2463c13d61SErin Lo #define MT8183_SCP_CLK_DIV_SEL 0x4024 2563c13d61SErin Lo #define MT8183_SCP_SRAM_PDN 0x402C 2663c13d61SErin Lo #define MT8183_SCP_L1_SRAM_PD 0x4080 2763c13d61SErin Lo #define MT8183_SCP_TCM_TAIL_SRAM_PD 0x4094 2863c13d61SErin Lo 2963c13d61SErin Lo #define MT8183_SCP_CACHE_SEL(x) (0x14000 + (x) * 0x3000) 3063c13d61SErin Lo #define MT8183_SCP_CACHE_CON MT8183_SCP_CACHE_SEL(0) 3163c13d61SErin Lo #define MT8183_SCP_DCACHE_CON MT8183_SCP_CACHE_SEL(1) 3263c13d61SErin Lo #define MT8183_SCP_CACHESIZE_8KB BIT(8) 3363c13d61SErin Lo #define MT8183_SCP_CACHE_CON_WAYEN BIT(10) 3463c13d61SErin Lo 3580d69185SAllen-KH Cheng #define MT8186_SCP_L1_SRAM_PD_P1 0x40B0 3680d69185SAllen-KH Cheng #define MT8186_SCP_L1_SRAM_PD_p2 0x40B4 3780d69185SAllen-KH Cheng 380a441514STzung-Bi Shih #define MT8192_L2TCM_SRAM_PD_0 0x10C0 390a441514STzung-Bi Shih #define MT8192_L2TCM_SRAM_PD_1 0x10C4 400a441514STzung-Bi Shih #define MT8192_L2TCM_SRAM_PD_2 0x10C8 410a441514STzung-Bi Shih #define MT8192_L1TCM_SRAM_PDN 0x102C 420a441514STzung-Bi Shih #define MT8192_CPU0_SRAM_PD 0x1080 43fd0b6c1fSPi-Hsun Shih 440a441514STzung-Bi Shih #define MT8192_SCP2APMCU_IPC_SET 0x4080 450a441514STzung-Bi Shih #define MT8192_SCP2APMCU_IPC_CLR 0x4084 46fd0b6c1fSPi-Hsun Shih #define MT8192_SCP_IPC_INT_BIT BIT(0) 470a441514STzung-Bi Shih #define MT8192_SCP2SPM_IPC_CLR 0x4094 480a441514STzung-Bi Shih #define MT8192_GIPC_IN_SET 0x4098 49fd0b6c1fSPi-Hsun Shih #define MT8192_HOST_IPC_INT_BIT BIT(0) 50fd0b6c1fSPi-Hsun Shih 510a441514STzung-Bi Shih #define MT8192_CORE0_SW_RSTN_CLR 0x10000 520a441514STzung-Bi Shih #define MT8192_CORE0_SW_RSTN_SET 0x10004 53ff3ea536STzung-Bi Shih #define MT8192_CORE0_MEM_ATT_PREDEF 0x10008 548c545f52STzung-Bi Shih #define MT8192_CORE0_WDT_IRQ 0x10030 550a441514STzung-Bi Shih #define MT8192_CORE0_WDT_CFG 0x10034 56fd0b6c1fSPi-Hsun Shih 57*f20e232dSTinghan Shen #define MT8195_L1TCM_SRAM_PDN_RESERVED_RSI_BITS GENMASK(7, 4) 58*f20e232dSTinghan Shen 5963c13d61SErin Lo #define SCP_FW_VER_LEN 32 6063c13d61SErin Lo #define SCP_SHARE_BUFFER_SIZE 288 6163c13d61SErin Lo 6263c13d61SErin Lo struct scp_run { 6363c13d61SErin Lo u32 signaled; 6463c13d61SErin Lo s8 fw_ver[SCP_FW_VER_LEN]; 6563c13d61SErin Lo u32 dec_capability; 6663c13d61SErin Lo u32 enc_capability; 6763c13d61SErin Lo wait_queue_head_t wq; 6863c13d61SErin Lo }; 6963c13d61SErin Lo 7063c13d61SErin Lo struct scp_ipi_desc { 7163c13d61SErin Lo /* For protecting handler. */ 7263c13d61SErin Lo struct mutex lock; 7363c13d61SErin Lo scp_ipi_handler_t handler; 7463c13d61SErin Lo void *priv; 7563c13d61SErin Lo }; 7663c13d61SErin Lo 77fd0b6c1fSPi-Hsun Shih struct mtk_scp; 78fd0b6c1fSPi-Hsun Shih 79fd0b6c1fSPi-Hsun Shih struct mtk_scp_of_data { 8079111df4STinghan Shen int (*scp_clk_get)(struct mtk_scp *scp); 81fd0b6c1fSPi-Hsun Shih int (*scp_before_load)(struct mtk_scp *scp); 82fd0b6c1fSPi-Hsun Shih void (*scp_irq_handler)(struct mtk_scp *scp); 83fd0b6c1fSPi-Hsun Shih void (*scp_reset_assert)(struct mtk_scp *scp); 84fd0b6c1fSPi-Hsun Shih void (*scp_reset_deassert)(struct mtk_scp *scp); 85fd0b6c1fSPi-Hsun Shih void (*scp_stop)(struct mtk_scp *scp); 86ca23ecfdSTzung-Bi Shih void *(*scp_da_to_va)(struct mtk_scp *scp, u64 da, size_t len); 87fd0b6c1fSPi-Hsun Shih 88fd0b6c1fSPi-Hsun Shih u32 host_to_scp_reg; 89fd0b6c1fSPi-Hsun Shih u32 host_to_scp_int_bit; 903efa0ea7STzung-Bi Shih 913efa0ea7STzung-Bi Shih size_t ipi_buf_offset; 92fd0b6c1fSPi-Hsun Shih }; 93fd0b6c1fSPi-Hsun Shih 9463c13d61SErin Lo struct mtk_scp { 9563c13d61SErin Lo struct device *dev; 9663c13d61SErin Lo struct rproc *rproc; 9763c13d61SErin Lo struct clk *clk; 9863c13d61SErin Lo void __iomem *reg_base; 9963c13d61SErin Lo void __iomem *sram_base; 10063c13d61SErin Lo size_t sram_size; 101ca23ecfdSTzung-Bi Shih phys_addr_t sram_phys; 102ca23ecfdSTzung-Bi Shih void __iomem *l1tcm_base; 103ca23ecfdSTzung-Bi Shih size_t l1tcm_size; 104ca23ecfdSTzung-Bi Shih phys_addr_t l1tcm_phys; 10563c13d61SErin Lo 106fd0b6c1fSPi-Hsun Shih const struct mtk_scp_of_data *data; 107fd0b6c1fSPi-Hsun Shih 10863c13d61SErin Lo struct mtk_share_obj __iomem *recv_buf; 10963c13d61SErin Lo struct mtk_share_obj __iomem *send_buf; 11063c13d61SErin Lo struct scp_run run; 11163c13d61SErin Lo /* To prevent multiple ipi_send run concurrently. */ 11263c13d61SErin Lo struct mutex send_lock; 11363c13d61SErin Lo struct scp_ipi_desc ipi_desc[SCP_IPI_MAX]; 11463c13d61SErin Lo bool ipi_id_ack[SCP_IPI_MAX]; 11563c13d61SErin Lo wait_queue_head_t ack_wq; 11663c13d61SErin Lo 117903635cbSTzung-Bi Shih void *cpu_addr; 118c2781e4dSArnd Bergmann dma_addr_t dma_addr; 11963c13d61SErin Lo size_t dram_size; 12070179969SPi-Hsun Shih 12170179969SPi-Hsun Shih struct rproc_subdev *rpmsg_subdev; 12263c13d61SErin Lo }; 12363c13d61SErin Lo 12463c13d61SErin Lo /** 12563c13d61SErin Lo * struct mtk_share_obj - SRAM buffer shared with AP and SCP 12663c13d61SErin Lo * 12763c13d61SErin Lo * @id: IPI id 12863c13d61SErin Lo * @len: share buffer length 12963c13d61SErin Lo * @share_buf: share buffer data 13063c13d61SErin Lo */ 13163c13d61SErin Lo struct mtk_share_obj { 13263c13d61SErin Lo u32 id; 13363c13d61SErin Lo u32 len; 13463c13d61SErin Lo u8 share_buf[SCP_SHARE_BUFFER_SIZE]; 13563c13d61SErin Lo }; 13663c13d61SErin Lo 13763c13d61SErin Lo void scp_memcpy_aligned(void __iomem *dst, const void *src, unsigned int len); 13863c13d61SErin Lo void scp_ipi_lock(struct mtk_scp *scp, u32 id); 13963c13d61SErin Lo void scp_ipi_unlock(struct mtk_scp *scp, u32 id); 14063c13d61SErin Lo 14163c13d61SErin Lo #endif 142