/* * Copyright (c) 2015-2018, NVIDIA CORPORATION. All rights reserved. * * Authors: * VenkataJagadish.p * Naveen Kumar Arepalli * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and * only version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * */ #ifndef _UFS_TEGRA_H #define _UFS_TEGRA_H #include #define NV_ADDRESS_MAP_MPHY_L0_BASE 0x02470000 #define NV_ADDRESS_MAP_MPHY_L1_BASE 0x02480000 #define NV_ADDRESS_MAP_UFSHC_AUX_BASE 0x02460000 /* * M-PHY Registers */ #define MPHY_TX_APB_TX_CG_OVR0_0 0x170 #define MPHY_TX_CLK_EN_SYMB (1 << 1) #define MPHY_TX_CLK_EN_SLOW (1 << 3) #define MPHY_TX_CLK_EN_FIXED (1 << 4) #define MPHY_TX_CLK_EN_3X (1 << 5) #define MPHY_TX_APB_TX_ATTRIBUTE_34_37_0 0x34 #define TX_ADVANCED_GRANULARITY (0x8 << 16) #define TX_ADVANCED_GRANULARITY_SETTINGS (0x1 << 8) #define MPHY_GO_BIT 1 #define MPHY_TX_APB_TX_VENDOR0_0 0x100 #define MPHY_RX_APB_CAPABILITY_88_8B_0 0x88 #define RX_HS_G1_SYNC_LENGTH_CAPABILITY(x) (((x) & 0x3f) << 24) #define RX_HS_SYNC_LENGTH 0xf #define MPHY_RX_APB_CAPABILITY_94_97_0 0x94 #define RX_HS_G2_SYNC_LENGTH_CAPABILITY(x) (((x) & 0x3f) << 0) #define RX_HS_G3_SYNC_LENGTH_CAPABILITY(x) (((x) & 0x3f) << 8) #define MPHY_RX_APB_CAPABILITY_8C_8F_0 0x8c #define RX_MIN_ACTIVATETIME_CAP(x) (((x) & 0xf) << 24) #define RX_MIN_ACTIVATETIME 0x5 #define MPHY_RX_APB_CAPABILITY_98_9B_0 0x98 #define RX_ADVANCED_FINE_GRANULARITY(x) (((x) & 0x1) << 0) #define RX_ADVANCED_GRANULARITY(x) (((x) & 0x3) << 1) #define RX_ADVANCED_MIN_ACTIVATETIME(x) (((x) & 0xf) << 16) #define RX_ADVANCED_MIN_AT 0xa #define MPHY_RX_APB_VENDOR2_0 0x184 #define MPHY_RX_APB_VENDOR2_0_RX_CAL_EN (1 << 15) #define MPHY_RX_APB_VENDOR2_0_RX_CAL_DONE (1 << 19) /* Unipro Vendor registers */ /* + * Vendor Specific Attributes + */ #define VS_DEBUGSAVECONFIGTIME 0xD0A0 #define VS_DEBUGSAVECONFIGTIME_TREF 0x6 #define SET_TREF(x) (((x) & 0x7) << 2) #define VS_DEBUGSAVECONFIGTIME_ST_SCT 0x3 #define SET_ST_SCT(x) ((x) & 0x3) #define VS_TXBURSTCLOSUREDELAY 0xD084 #define MPHY_ADDR_RANGE 0x1fc #define UFS_AUX_ADDR_RANGE 0x18 /*UFS Clock Defines*/ #define UFSHC_CLK_FREQ 204000000 #define UFSDEV_CLK_FREQ 19200000 /*Uphy pll clock defines*/ #define UFS_CLK_UPHY_PLL3_RATEA 4992000000 #define UFS_CLK_UPHY_PLL3_RATEB 5840000000 enum ufs_state { UFSHC_INIT, UFSHC_SUSPEND, UFSHC_RESUME, }; /* vendor specific pre-defined parameters */ /* * HCLKFrequency in MHz. * HCLKDIV is used to generate 1usec tick signal used by Unipro. */ #define UFS_VNDR_HCLKDIV_1US_TICK 0xCC /*UFS host controller vendor specific registers */ enum { REG_UFS_VNDR_HCLKDIV = 0xFC, }; /* * UFS AUX Registers */ #define UFSHC_AUX_UFSHC_STATUS_0 0x10 #define UFSHC_HIBERNATE_STATUS (1 << 0) #define UFSHC_AUX_UFSHC_DEV_CTRL_0 0x14 #define UFSHC_DEV_CLK_EN (1 << 0) #define UFSHC_DEV_RESET (1 << 1) #define UFSHC_AUX_UFSHC_SW_EN_CLK_SLCG_0 0x08 #define UFSHC_CLK_OVR_ON (1 << 0) #define UFSHC_HCLK_OVR_ON (1 << 1) #define UFSHC_LP_CLK_T_CLK_OVR_ON (1 << 2) #define UFSHC_CLK_T_CLK_OVR_ON (1 << 3) #define UFSHC_CG_SYS_CLK_OVR_ON (1 << 4) #define UFSHC_TX_SYMBOL_CLK_OVR_ON (1 << 5) #define UFSHC_RX_SYMBOLCLKSELECTED_CLK_OVR_ON (1 << 6) #define UFSHC_PCLK_OVR_ON (1 << 7) /* * MPHY Context save armphy_rx_apb registers */ static u16 __attribute__ ((unused)) mphy_rx_apb[] = { 0x080, /* MPHY_RX_APB_CAPABILITY_80_83_0 */ 0x084, /* MPHY_RX_APB_CAPABILITY_84_87_0 */ 0x088, /* MPHY_RX_APB_CAPABILITY_88_8B_0 */ 0x08c, /* MPHY_RX_APB_CAPABILITY_8C_8F_0 */ 0x090, /* MPHY_RX_APB_CAPABILITY_90_93_0 */ 0x094, /* MPHY_RX_APB_CAPABILITY_94_97_0 */ 0x098, /* MPHY_RX_APB_CAPABILITY_98_9B_0 */ 0x0a0, /* MPHY_RX_APB_ATTRIBUTE_A0_A3_0 */ 0x0a4, /* MPHY_RX_APB_ATTRIBUTE_A4_A7_0 */ 0x0a8, /* MPHY_RX_APB_ATTRIBUTE_A8_AB_0 */ 0x0d0, /* MPHY_RX_APB_MC_STATUS_D0_D3_0 */ 0x0d4, /* MPHY_RX_APB_MC_STATUS_D4_D7_0 */ 0x0d8, /* MPHY_RX_APB_MC_STATUS_D8_DB_0 */ 0x0dc, /* MPHY_RX_APB_MC_STATUS_DC_DF_0 */ 0x0e0, /* MPHY_RX_APB_MC_STATUS_E0_E3_0 */ 0x0e4, /* MPHY_RX_APB_MC_STATUS_E4_E7_0 */ 0x180, /* MPHY_RX_APB_VENDOR1_0 */ 0x184, /* MPHY_RX_APB_VENDOR2_0 */ 0x188, /* MPHY_RX_APB_VENDOR3_0 */ 0x18c, /* MPHY_RX_APB_VENDOR4_0 */ 0x190, /* MPHY_RX_APB_VENDOR5_0 */ 0x194, /* MPHY_RX_APB_VENDOR6_0 */ 0x198, /* MPHY_RX_APB_VENDOR7_0 */ 0x19c, /* MPHY_RX_APB_VENDOR8_0 */ 0x1a0, /* MPHY_RX_APB_VENDOR9_0 */ 0x1a4, /* MPHY_RX_APB_VENDOR10_0 */ 0x1a8, /* MPHY_RX_APB_VENDOR11_0 */ 0x1ac, /* MPHY_RX_APB_VENDOR12_0 */ 0x1b0, /* MPHY_RX_APB_VENDOR13_0 */ 0x1b4, /* MPHY_RX_APB_VENDOR14_0 */ 0x1b8, /* MPHY_RX_APB_VENDOR15_0 */ 0x1bc, /* MPHY_RX_APB_VENDOR16_0 */ 0x1c0, /* MPHY_RX_APB_VENDOR17_0 */ 0x1c4, /* MPHY_RX_APB_VENDOR18_0 */ 0x1c8, /* MPHY_RX_APB_VENDOR19_0 */ 0x1cc, /* MPHY_RX_APB_VENDOR20_0 */ 0x1d0, /* MPHY_RX_APB_VENDOR21_0 */ 0x1d4, /* MPHY_RX_APB_VENDOR22_0 */ 0x1d8, /* MPHY_RX_APB_VENDOR23_0 */ 0x1dc, /* MPHY_RX_APB_VENDOR24_0 */ 0x1e0, /* MPHY_RX_APB_VENDOR25_0 */ 0x1e4, /* MPHY_RX_APB_VENDOR26_0 */ 0x1e8, /* MPHY_RX_APB_VENDOR27_0 */ 0x1ec, /* MPHY_RX_APB_VENDOR28_0 */ 0x1f0, /* MPHY_RX_APB_VENDOR29_0 */ 0x1f4, /* MPHY_RX_APB_VENDOR30_0 */ 0x1f8, /* MPHY_RX_APB_VENDOR31_0 */ 0x1fc /* MPHY_RX_APB_VENDOR32_0 */ }; /* * MPHY Context save armphy_tx_apb registers */ static u16 __attribute__ ((unused)) mphy_tx_apb[] = { 0x000, /* MPHY_TX_APB_TX_CAPABILITY_00_03_0 */ 0x004, /* MPHY_TX_APB_TX_CAPABILITY_04_07_0 */ 0x008, /* MPHY_TX_APB_TX_CAPABILITY_08_0B_0 */ 0x00c, /* MPHY_TX_APB_TX_CAPABILITY_0C_0F_0 */ 0x010, /* MPHY_TX_APB_TX_CAPABILITY_10_13_0 */ 0x020, /* MPHY_TX_APB_TX_ATTRIBUTE_20_23_0 */ 0x024, /* MPHY_TX_APB_TX_ATTRIBUTE_24_27_0 */ 0x028, /* MPHY_TX_APB_TX_ATTRIBUTE_28_2B_0 */ 0x02c, /* MPHY_TX_APB_TX_ATTRIBUTE_2C_2F_0 */ 0x030, /* MPHY_TX_APB_TX_ATTRIBUTE_30_33_0 */ 0x034, /* MPHY_TX_APB_TX_ATTRIBUTE_34_37_0 */ 0x038, /* MPHY_TX_APB_TX_ATTRIBUTE_38_3B_0 */ 0x060, /* MPHY_TX_APB_MC_ATTRIBUTE_60_63_0 */ 0x064, /* MPHY_TX_APB_MC_ATTRIBUTE_64_67_0 */ 0x100, /* MPHY_TX_APB_TX_VENDOR0_0 */ 0x104, /* MPHY_TX_APB_TX_VENDOR1_0 */ 0x108, /* MPHY_TX_APB_TX_VENDOR2_0 */ 0x10c, /* MPHY_TX_APB_TX_VENDOR3_0 */ 0x110, /* MPHY_TX_APB_TX_VENDOR4_0 */ 0x114, /* MPHY_TX_APB_TX_VENDOR5_0 */ 0x118, /* MPHY_TX_APB_TX_VENDOR6_0 */ 0x11c, /* MPHY_TX_APB_TX_VENDOR7_0 */ 0x120, /* MPHY_TX_APB_PAD_TIMING0_0 */ 0x124, /* MPHY_TX_APB_PAD_TIMING1_0 */ 0x128, /* MPHY_TX_APB_PAD_TIMING2_0 */ 0x12c, /* MPHY_TX_APB_PAD_TIMING3_0 */ 0x130, /* MPHY_TX_APB_PAD_TIMING4_0 */ 0x134, /* MPHY_TX_APB_PAD_TIMING5_0 */ 0x138, /* MPHY_TX_APB_PAD_TIMING6_0 */ 0x13c, /* MPHY_TX_APB_PAD_TIMING7_0 */ 0x140, /* MPHY_TX_APB_PAD_TIMING8_0 */ 0x144, /* MPHY_TX_APB_PAD_TIMING9_0 */ 0x148, /* MPHY_TX_APB_PAD_TIMING10_0 */ 0x14c, /* MPHY_TX_APB_TX_PAD_OVR_VAL0_0 */ 0x150, /* MPHY_TX_APB_TX_PAD_OVR_CTRL0_0 */ 0x154, /* MPHY_TX_APB_TX_OVR_CTRL0_0 */ 0x158, /* MPHY_TX_APB_TX_OVR_VAL0_0 */ 0x15c, /* MPHY_TX_APB_PAD_TIMER0_0 */ 0x160, /* MPHY_TX_APB_TX_CLK_CTRL0_0 */ 0x164, /* MPHY_TX_APB_TX_CLK_CTRL1_0 */ 0x168, /* MPHY_TX_APB_TX_CLK_CTRL2_0 */ 0x16c, /* MPHY_TX_APB_TX_CLK_CTRL3_0 */ 0x170, /* MPHY_TX_APB_TX_CG_OVR0_0 */ 0x174, /* MPHY_TX_APB_TX_CG_COUNTER0_0 */ 0x178, /* MPHY_TX_APB_TX_PAD_OVR_VAL1_0 */ 0x17c /* MPHY_TX_APB_TX_PAD_OVR_CTRL1_0 */ }; struct ufs_tegra_host { struct ufs_hba *hba; bool is_lane_clks_enabled; bool x2config; bool enable_mphy_rx_calib; bool enable_hs_mode; bool enable_ufs_provisioning; u32 max_hs_gear; bool mask_fast_auto_mode; bool mask_hs_mode_b; bool configure_uphy_pll3; u32 max_pwm_gear; enum ufs_state ufshc_state; void *mphy_context; void __iomem *mphy_l0_base; void __iomem *mphy_l1_base; void __iomem *ufs_aux_base; struct reset_control *ufs_rst; struct reset_control *ufs_axi_m_rst; struct reset_control *ufshc_lp_rst; struct reset_control *mphy_l0_rx_rst; struct reset_control *mphy_l0_tx_rst; struct reset_control *mphy_l1_rx_rst; struct reset_control *mphy_l1_tx_rst; struct reset_control *mphy_clk_ctl_rst; struct clk *mphy_core_pll_fixed; struct clk *mphy_l0_tx_symb; struct clk *mphy_tx_1mhz_ref; struct clk *mphy_l0_rx_ana; struct clk *mphy_l0_rx_symb; struct clk *mphy_l0_tx_ls_3xbit; struct clk *mphy_l0_rx_ls_bit; struct clk *mphy_l1_rx_ana; struct clk *mphy_force_ls_mode; struct clk *ufshc_parent; struct clk *ufsdev_parent; struct clk *ufshc_clk; struct clk *ufsdev_ref_clk; struct clk *ufs_uphy_pll3; struct regulator *vddio_ufs; struct regulator *vddio_ufs_ap; struct pinctrl *ufs_pinctrl; struct pinctrl_state *dpd_enable; struct pinctrl_state *dpd_disable; u32 vs_burst; /* Hibernate entry support is broken WAR is suggested to fix hibernate entry functionality */ #define NVQUIRK_BROKEN_HIBERN8_ENTRY UFS_BIT(0) /* UFS tegra deviations from standard UFSHCI spec. */ unsigned int nvquirks; bool cd_wakeup_capable; int cd_gpio; unsigned int cd_irq; bool wake_enable_failed; struct delayed_work detect; struct gpio_desc *cd_gpio_desc; bool enable_scramble; #ifdef CONFIG_DEBUG_FS u32 refclk_value; long program_refclk; u32 bootlun_en_id; long program_bootlun_en_id; u32 boot_enable; u32 descr_access_en; u8 *lun_desc_buf; long program_lun; #endif }; extern struct ufs_hba_variant_ops ufs_hba_tegra_vops; extern int ufshcd_rescan(struct ufs_hba *hb); void ufs_rescan(struct work_struct *work); static inline u32 mphy_readl(void __iomem *mphy_base, u32 offset) { u32 val; val = readl(mphy_base + offset); return val; } static inline void mphy_writel(void __iomem *mphy_base, u32 val, u32 offset) { writel(val, mphy_base + offset); } static inline void mphy_update(void __iomem *mphy_base, u32 val, u32 offset) { u32 update_val; update_val = mphy_readl(mphy_base, offset); update_val |= val; mphy_writel(mphy_base, update_val, offset); } static inline u32 ufs_aux_readl(void __iomem *ufs_aux_base, u32 offset) { u32 val; val = readl(ufs_aux_base + offset); return val; } static inline void ufs_aux_writel(void __iomem *ufs_aux_base, u32 val, u32 offset) { writel(val, ufs_aux_base + offset); } static inline void ufs_aux_update(void __iomem *ufs_aux_base, u32 val, u32 offset) { u32 update_val; update_val = ufs_aux_readl(ufs_aux_base, offset); update_val |= val; ufs_aux_writel(ufs_aux_base, update_val, offset); } static inline void ufs_aux_clear_bits(void __iomem *ufs_aux_base, u32 val, u32 offset) { u32 update_val; update_val = ufs_aux_readl(ufs_aux_base, offset); update_val &= ~val; ufs_aux_writel(ufs_aux_base, update_val, offset); } static inline void ufs_save_regs(void __iomem *reg_base, u32 *save_addr, u16 reg_array[], u32 no_of_regs) { u32 regs; u32 *dest = save_addr; for (regs = 0; regs < no_of_regs; ++regs, ++dest) *dest = readl(reg_base + (u32)reg_array[regs]); } static inline void ufs_restore_regs(void __iomem *reg_base, u32 *save_addr, u16 reg_array[], u32 no_of_regs) { u32 regs; u32 *src = save_addr; for (regs = 0; regs < no_of_regs; ++regs, ++src) writel(*src, reg_base + (u32)reg_array[regs]); } #endif