Initial commit: Linux kernel 4.19 for Unplugged OS

include/memory/mediatek/dramc.h

@@ -0,0 +1,89 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2019 MediaTek Inc.
+ * Author: Sagy Shih <sagy.shih@mediatek.com>
+ */
+
+#ifndef __DRAMC_H__
+#define __DRAMC_H__
+
+struct mr_info_t {
+	unsigned int mr_index;
+	unsigned int mr_value;
+};
+
+struct reg_ctrl_t {
+	unsigned int offset;
+	unsigned int mask;
+	unsigned int shift;
+};
+
+struct fmeter_dev_t {
+	unsigned int version;
+	unsigned int crystal_freq;
+	unsigned int shu_of;
+	struct reg_ctrl_t shu_lv;
+	struct reg_ctrl_t pll_id;
+	struct reg_ctrl_t pll_md[2];
+	struct reg_ctrl_t sdmpcw[2];
+	struct reg_ctrl_t prediv[2];
+	struct reg_ctrl_t posdiv[2];
+	struct reg_ctrl_t ckdiv4[2];
+	struct reg_ctrl_t cldiv2[2];
+	struct reg_ctrl_t fbksel[2];
+    #ifdef CONFIG_MEDIATEK_DRAMC
+	struct reg_ctrl_t dqsopen[2];
+    #endif
+	struct reg_ctrl_t dqopen[2];
+    #ifdef CONFIG_MEDIATEK_DRAMC
+	struct reg_ctrl_t ckdiv4_ca[2];
+    #endif
+};
+
+struct mr4_dev_t {
+	unsigned int version;
+	struct reg_ctrl_t mr4_rg;
+};
+
+struct dramc_dev_t {
+	unsigned int dram_type;
+	unsigned int support_ch_cnt;
+	unsigned int ch_cnt;
+	unsigned int rk_cnt;
+	unsigned int mr_cnt;
+	unsigned int freq_cnt;
+	unsigned int *rk_size;
+	unsigned int *freq_step;
+	struct mr_info_t *mr_info_ptr;
+	void __iomem **dramc_chn_base_ao;
+	void __iomem **dramc_chn_base_nao;
+	void __iomem **ddrphy_chn_base_ao;
+	void __iomem **ddrphy_chn_base_nao;
+	void __iomem *sleep_base;
+	void *mr4_dev_ptr;
+	void *fmeter_dev_ptr;
+};
+
+enum DRAM_TYPE {
+	TYPE_DDR1 = 1,
+	TYPE_LPDDR2,
+	TYPE_LPDDR3,
+	TYPE_PCDDR3,
+	TYPE_LPDDR4,
+	TYPE_LPDDR4X,
+	TYPE_LPDDR4P,
+	TYPE_LPDDR5
+};
+
+#ifdef CONFIG_MEDIATEK_DRAMC
+#define DPM_IRQ_CHA	0
+#define DPM_IRQ_CHB	1
+#endif
+
+int mtk_dramc_get_steps_freq(unsigned int step);
+unsigned int mtk_dramc_get_ddr_type(void);
+unsigned int mtk_dramc_get_data_rate(void);
+unsigned int mtk_dramc_get_mr4(unsigned int ch);
+
+#endif /* __DRAMC_H__ */
+

include/memory/mediatek/emi.h

@@ -0,0 +1,174 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2019 MediaTek Inc.
+ * Author: Sagy Shih <sagy.shih@mediatek.com>
+ */
+
+#ifndef __EMI_H__
+#define __EMI_H__
+
+#include <linux/workqueue.h>
+#include <linux/irqreturn.h>
+#include <linux/dcache.h>
+
+#if IS_ENABLED(CONFIG_MTK_ENG_BUILD)
+#define MTK_EMIMPU_DBG_ENABLE
+#endif
+
+#define MTK_EMIMPU_NO_PROTECTION	0
+#define MTK_EMIMPU_SEC_RW		1
+#define MTK_EMIMPU_SEC_RW_NSEC_R	2
+#define MTK_EMIMPU_SEC_RW_NSEC_W	3
+#define MTK_EMIMPU_SEC_R_NSEC_R		4
+#define MTK_EMIMPU_FORBIDDEN		5
+#define MTK_EMIMPU_SEC_R_NSEC_RW	6
+
+#define MTK_EMIMPU_UNLOCK		false
+#define MTK_EMIMPU_LOCK			true
+
+#define MTK_EMIMPU_SET			0
+#define MTK_EMIMPU_CLEAR		1
+#define MTK_EMIMPU_READ			2
+#define MTK_EMIMPU_SLVERR		3
+#define MTK_EMIDBG_DUMP			4
+#define MTK_EMIDBG_MSG			5
+
+#define MTK_EMIMPU_READ_SA		0
+#define MTK_EMIMPU_READ_EA		1
+#define MTK_EMIMPU_READ_APC		2
+
+#define MTK_EMI_MAX_TOKEN		4
+
+#ifdef CONFIG_MTK_EMI
+#define MTK_EMI_MAX_CMD_LEN		4096
+#endif
+
+#ifdef CONFIG_MEDIATEK_EMI
+#define MTK_EMI_MAX_CMD_LEN		256
+struct emi_addr_map {
+	int emi;
+	int channel;
+	int rank;
+	int bank;
+	int row;
+	int column;
+};
+#endif
+struct reg_info_t {
+	unsigned int offset;
+	unsigned int value;
+	unsigned int leng;
+};
+
+#ifdef CONFIG_MTK_EMI
+struct emicen_dev_t {
+	unsigned int emi_cen_cnt;
+	unsigned int ch_cnt;
+	unsigned int rk_cnt;
+	unsigned long long *rk_size;
+	void __iomem **emi_cen_base;
+	void __iomem **emi_chn_base;
+};
+
+struct emimpu_dbg_cb {
+	void (*func)(void);
+	struct emimpu_dbg_cb *next_dbg_cb;
+};
+
+struct emimpu_dev_t {
+	unsigned int region_cnt;
+	unsigned int domain_cnt;
+	unsigned int addr_align;
+	unsigned long long dram_start;
+	unsigned long long dram_end;
+	unsigned int dump_cnt;
+	unsigned int clear_reg_cnt;
+	unsigned int clear_md_reg_cnt;
+	unsigned int emi_cen_cnt;
+	struct reg_info_t *dump_reg;
+	struct reg_info_t *clear_reg;
+	struct reg_info_t *clear_md_reg;
+	void __iomem **emi_cen_base;
+	void __iomem **emi_mpu_base;
+	char *violation_msg;
+	unsigned int in_msg_dump;
+	unsigned int show_region;
+	unsigned int ctrl_intf;
+	struct emimpu_region_t *ap_rg_info;
+	struct emimpu_dbg_cb *dbg_cb_list;
+};
+#endif
+#ifdef CONFIG_MEDIATEK_EMI
+struct emimpu_dev_t {
+	unsigned int region_cnt;
+	unsigned int domain_cnt;
+	unsigned int addr_align;
+	unsigned long long dram_start;
+	unsigned long long dram_end;
+	unsigned int dump_cnt;
+	unsigned int clear_reg_cnt;
+	unsigned int clear_md_reg_cnt;
+	unsigned int emi_cen_cnt;
+	struct reg_info_t *dump_reg;
+	struct reg_info_t *clear_reg;
+	struct reg_info_t *clear_md_reg;
+	void __iomem **emi_cen_base;
+	void __iomem **emi_mpu_base;
+	unsigned int show_region;
+	unsigned int ctrl_intf;
+	struct emimpu_region_t *ap_rg_info;
+};
+#endif
+struct emiisu_dev_t {
+	unsigned int buf_size;
+	void __iomem *buf_addr;
+	void __iomem *ver_addr;
+	void __iomem *con_addr;
+	struct dentry *dump_dir;
+	struct dentry *dump_buf;
+	unsigned int ctrl_intf;
+};
+
+struct emimpu_region_t {
+	unsigned long long start;
+	unsigned long long end;
+	unsigned int rg_num;
+	bool lock;
+	unsigned int *apc;
+};
+
+/* mtk emicen api */
+unsigned int mtk_emicen_get_ch_cnt(void);
+unsigned int mtk_emicen_get_rk_cnt(void);
+unsigned int mtk_emicen_get_rk_size(unsigned int rk_id);
+#ifdef CONFIG_MEDIATEK_EMI
+int mtk_emicen_addr2dram(unsigned long addr, struct emi_addr_map *map);
+#endif
+/* mtk emidbg api */
+void mtk_emidbg_dump(void);
+
+/* mtk emimpu api */
+int mtk_emimpu_init_region(
+	struct emimpu_region_t *rg_info, unsigned int rg_num);
+int mtk_emimpu_set_addr(struct emimpu_region_t *rg_info,
+	unsigned long long start, unsigned long long end);
+int mtk_emimpu_set_apc(struct emimpu_region_t *rg_info,
+	unsigned int d_num, unsigned int apc);
+int mtk_emimpu_lock_region(struct emimpu_region_t *rg_info, bool lock);
+int mtk_emimpu_set_protection(struct emimpu_region_t *rg_info);
+int mtk_emimpu_free_region(struct emimpu_region_t *rg_info);
+int mtk_emimpu_clear_protection(struct emimpu_region_t *rg_info);
+int mtk_emimpu_prehandle_register(irqreturn_t (*bypass_func)
+	(unsigned int emi_id, struct reg_info_t *dump, unsigned int leng));
+int mtk_emimpu_postclear_register(void (*clear_func)
+	(unsigned int emi_id));
+#ifdef CONFIG_MTK_EMI
+int mtk_emimpu_debugdump_register(void (*debug_func)(void));
+#endif
+int mtk_emimpu_md_handling_register(void (*md_handling_func)
+	(unsigned int emi_id, struct reg_info_t *dump, unsigned int leng));
+void mtk_clear_md_violation(void);
+int mtk_emimpu_register_callback(irqreturn_t (*debug_dump)
+	(unsigned int emi_id, struct reg_info_t *dump, unsigned int len));
+#endif /* __EMI_H__ */
+