diff options
Diffstat (limited to 'drivers/memory/emif.h')
| -rw-r--r-- | drivers/memory/emif.h | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/drivers/memory/emif.h b/drivers/memory/emif.h index bfe08bae961a..55aeb36a5bf2 100644 --- a/drivers/memory/emif.h +++ b/drivers/memory/emif.h @@ -1,13 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Defines for the EMIF driver * * Copyright (C) 2012 Texas Instruments, Inc. * * Benoit Cousson (b-cousson@ti.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __EMIF_H #define __EMIF_H @@ -537,6 +534,9 @@ #define MCONNID_SHIFT 0 #define MCONNID_MASK (0xff << 0) +/* READ_WRITE_LEVELING_CONTROL */ +#define RDWRLVLFULL_START 0x80000000 + /* DDR_PHY_CTRL_1 - EMIF4D */ #define DLL_SLAVE_DLY_CTRL_SHIFT_4D 4 #define DLL_SLAVE_DLY_CTRL_MASK_4D (0xFF << 4) @@ -555,6 +555,9 @@ #define READ_LATENCY_SHDW_SHIFT 0 #define READ_LATENCY_SHDW_MASK (0x1f << 0) +#define EMIF_SRAM_AM33_REG_LAYOUT 0x00000000 +#define EMIF_SRAM_AM43_REG_LAYOUT 0x00000001 + #ifndef __ASSEMBLY__ /* * Structure containing shadow of important registers in EMIF @@ -585,5 +588,20 @@ struct emif_regs { u32 ext_phy_ctrl_3_shdw; u32 ext_phy_ctrl_4_shdw; }; + +struct ti_emif_pm_functions; + +extern unsigned int ti_emif_sram; +extern unsigned int ti_emif_sram_sz; +extern struct ti_emif_pm_data ti_emif_pm_sram_data; +extern struct emif_regs_amx3 ti_emif_regs_amx3; + +void ti_emif_save_context(void); +void ti_emif_restore_context(void); +void ti_emif_run_hw_leveling(void); +void ti_emif_enter_sr(void); +void ti_emif_exit_sr(void); +void ti_emif_abort_sr(void); + #endif /* __ASSEMBLY__ */ #endif /* __EMIF_H */ |