| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * (C) Copyright 2006-2008 |
| * Texas Instruments, <www.ti.com> |
| * |
| * (C) Copyright 2020 |
| * Robert Bosch Power Tools GmbH |
| * |
| * Author |
| * Moses Christopher <BollavarapuMoses.Christopher@in.bosch.com> |
| * |
| * Copied from: |
| * arch/arm/include/asm/arch-am33xx/mem.h |
| * |
| * Initial Code from: |
| * Mansoor Ahamed <mansoor.ahamed@ti.com> |
| * Richard Woodruff <r-woodruff2@ti.com> |
| */ |
| |
| #ifndef _MEM_GUARDIAN_H_ |
| #define _MEM_GUARDIAN_H_ |
| |
| /* |
| * GPMC settings - |
| * Definitions is as per the following format |
| * #define <PART>_GPMC_CONFIG<x> <value> |
| * Where: |
| * PART is the part name e.g. M_NAND - Micron Nand Flash |
| * x is GPMC config registers from 1 to 7 (there will be 7 macros) |
| * Value is corresponding value |
| * |
| * For every valid PRCM configuration there should be only one definition of |
| * the same. |
| * |
| * The following values are optimized for improving the NAND Read speed |
| * They are applicable and tested for Bosch Guardian Board. |
| * Read Speeds rose from 1.5MiBs to over 7.6MiBs |
| * |
| * Currently valid part Names are (PART): |
| * M_NAND - Micron NAND |
| */ |
| #define GPMC_SIZE_256M 0x0 |
| #define GPMC_SIZE_128M 0x8 |
| #define GPMC_SIZE_64M 0xC |
| #define GPMC_SIZE_32M 0xE |
| #define GPMC_SIZE_16M 0xF |
| |
| #define M_NAND_GPMC_CONFIG1 0x00000800 |
| #define M_NAND_GPMC_CONFIG2 0x00030300 |
| #define M_NAND_GPMC_CONFIG3 0x00030300 |
| #define M_NAND_GPMC_CONFIG4 0x02000201 |
| #define M_NAND_GPMC_CONFIG5 0x00030303 |
| #define M_NAND_GPMC_CONFIG6 0x000000C0 |
| #define M_NAND_GPMC_CONFIG7 0x00000008 |
| |
| /* max number of GPMC Chip Selects */ |
| #define GPMC_MAX_CS 8 |
| /* max number of GPMC regs */ |
| #define GPMC_MAX_REG 7 |
| |
| #define DBG_MPDB 6 |
| |
| #endif /* endif _MEM_GUARDIAN_H_ */ |