From: Moses Christopher BollavarapuMoses.Christopher@in.bosch.com
- Add mem-guardian.h derived from am33xx/mem.h
* Add GPMC config values optimized for Bosch Guardian Board * NAND Chip used by Bosch Guardian Board is Micron MT29F4G08ABBFA
Signed-off-by: Moses Christopher BollavarapuMoses.Christopher@in.bosch.com --- .../include/asm/arch-am33xx/mem-guardian.h | 63 +++++++++++++++++++ arch/arm/mach-omap2/am33xx/board.c | 4 ++ arch/arm/mach-omap2/mem-common.c | 4 ++ board/bosch/guardian/board.c | 2 +- 4 files changed, 72 insertions(+), 1 deletion(-) create mode 100644 arch/arm/include/asm/arch-am33xx/mem-guardian.h
diff --git a/arch/arm/include/asm/arch-am33xx/mem-guardian.h b/arch/arm/include/asm/arch-am33xx/mem-guardian.h new file mode 100644 index 0000000000..e864a0fd36 --- /dev/null +++ b/arch/arm/include/asm/arch-am33xx/mem-guardian.h @@ -0,0 +1,63 @@ +/* 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_ */ diff --git a/arch/arm/mach-omap2/am33xx/board.c b/arch/arm/mach-omap2/am33xx/board.c index 2888390d24..a87ecaf12a 100644 --- a/arch/arm/mach-omap2/am33xx/board.c +++ b/arch/arm/mach-omap2/am33xx/board.c @@ -23,7 +23,11 @@ #include <asm/arch/clock.h> #include <asm/arch/gpio.h> #include <asm/arch/i2c.h> +#if IS_ENABLED(CONFIG_TARGET_AM335X_GUARDIAN) +#include <asm/arch/mem-guardian.h> +#else #include <asm/arch/mem.h> +#endif #include <asm/arch/mmc_host_def.h> #include <asm/arch/sys_proto.h> #include <asm/io.h> diff --git a/arch/arm/mach-omap2/mem-common.c b/arch/arm/mach-omap2/mem-common.c index 50d5f3e9eb..2dcf0cf9c3 100644 --- a/arch/arm/mach-omap2/mem-common.c +++ b/arch/arm/mach-omap2/mem-common.c @@ -15,7 +15,11 @@ #include <common.h> #include <asm/io.h> #include <asm/arch/cpu.h> +#if IS_ENABLED(CONFIG_TARGET_AM335X_GUARDIAN) +#include <asm/arch/mem-guardian.h> +#else #include <asm/arch/mem.h> +#endif #include <asm/arch/sys_proto.h> #include <command.h> #include <linux/mtd/omap_gpmc.h> diff --git a/board/bosch/guardian/board.c b/board/bosch/guardian/board.c index 1d8fa78154..8b3c82cafd 100644 --- a/board/bosch/guardian/board.c +++ b/board/bosch/guardian/board.c @@ -28,7 +28,7 @@ #include <asm/arch/ddr_defs.h> #include <asm/arch/gpio.h> #include <asm/arch/hardware.h> -#include <asm/arch/mem.h> +#include <asm/arch/mem-guardian.h> #include <asm/arch/mmc_host_def.h> #include <asm/arch/omap.h> #include <asm/arch/sys_proto.h>