u-boot/include/configs/versatile.h
402jagan@gmail.com de1f9ac854 versatile: board configs: Use buffered writes on flash
This patch provides a support to use buffered writes on flash
for versatile and vexpress boards.

This will certainly increase the flash writes.

Signed-off-by: Jagannadha Sutradharudu Teki <402jagan@gmail.com>
2012-10-18 15:59:55 +02:00

236 lines
7 KiB
C

/*
* (C) Copyright 2003
* Texas Instruments.
* Kshitij Gupta <kshitij@ti.com>
* Configuation settings for the TI OMAP Innovator board.
*
* (C) Copyright 2004
* ARM Ltd.
* Philippe Robin, <philippe.robin@arm.com>
* Configuration for Versatile PB.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef __CONFIG_H
#define __CONFIG_H
/*
* High Level Configuration Options
* (easy to change)
*/
#define CONFIG_ARM926EJS 1 /* This is an arm926ejs CPU core */
#define CONFIG_VERSATILE 1 /* in Versatile Platform Board */
#define CONFIG_ARCH_VERSATILE 1 /* Specifically, a Versatile */
#define CONFIG_SYS_MEMTEST_START 0x100000
#define CONFIG_SYS_MEMTEST_END 0x10000000
#define CONFIG_SYS_HZ (1000000 / 256)
#define CONFIG_SYS_TIMERBASE 0x101E2000 /* Timer 0 and 1 base */
#define CONFIG_SYS_TIMER_INTERVAL 10000
#define CONFIG_SYS_TIMER_RELOAD (CONFIG_SYS_TIMER_INTERVAL >> 4)
#define CONFIG_SYS_TIMER_CTRL 0x84 /* Enable, Clock / 16 */
/*
* control registers
*/
#define VERSATILE_SCTL_BASE 0x101E0000 /* System controller */
/*
* System controller bit assignment
*/
#define VERSATILE_REFCLK 0
#define VERSATILE_TIMCLK 1
#define VERSATILE_TIMER1_EnSel 15
#define VERSATILE_TIMER2_EnSel 17
#define VERSATILE_TIMER3_EnSel 19
#define VERSATILE_TIMER4_EnSel 21
#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
#define CONFIG_SETUP_MEMORY_TAGS 1
#define CONFIG_MISC_INIT_R 1
/*
* Size of malloc() pool
*/
#define CONFIG_ENV_SIZE 8192
#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128 * 1024)
/*
* Hardware drivers
*/
#define CONFIG_SMC91111
#define CONFIG_SMC_USE_32_BIT
#define CONFIG_SMC91111_BASE 0x10010000
#undef CONFIG_SMC91111_EXT_PHY
/*
* NS16550 Configuration
*/
#define CONFIG_PL011_SERIAL
#define CONFIG_PL011_CLOCK 24000000
#define CONFIG_PL01x_PORTS \
{(void *)CONFIG_SYS_SERIAL0, \
(void *)CONFIG_SYS_SERIAL1 }
#define CONFIG_CONS_INDEX 0
#define CONFIG_BAUDRATE 38400
#define CONFIG_SYS_SERIAL0 0x101F1000
#define CONFIG_SYS_SERIAL1 0x101F2000
/*
* Command line configuration.
*/
#define CONFIG_CMD_BDI
#define CONFIG_CMD_DHCP
#define CONFIG_CMD_FLASH
#define CONFIG_CMD_IMI
#define CONFIG_CMD_MEMORY
#define CONFIG_CMD_NET
#define CONFIG_CMD_PING
#define CONFIG_CMD_SAVEENV
/*
* BOOTP options
*/
#define CONFIG_BOOTP_BOOTPATH
#define CONFIG_BOOTP_GATEWAY
#define CONFIG_BOOTP_HOSTNAME
#define CONFIG_BOOTP_SUBNETMASK
#define CONFIG_BOOTDELAY 2
#define CONFIG_BOOTARGS "root=/dev/nfs mem=128M ip=dhcp "\
"netdev=25,0,0xf1010000,0xf1010010,eth0"
/*
* Static configuration when assigning fixed address
*/
#define CONFIG_BOOTFILE "/tftpboot/uImage" /* file to load */
/*
* Miscellaneous configurable options
*/
#define CONFIG_SYS_LONGHELP /* undef to save memory */
#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
/* Monitor Command Prompt */
#ifdef CONFIG_ARCH_VERSATILE_AB
# define CONFIG_SYS_PROMPT "VersatileAB # "
#else
# define CONFIG_SYS_PROMPT "VersatilePB # "
#endif
/* Print Buffer Size */
#define CONFIG_SYS_PBSIZE \
(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
#define CONFIG_SYS_LOAD_ADDR 0x7fc0 /* default load address */
/*-----------------------------------------------------------------------
* Physical Memory Map
*/
#define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */
#define PHYS_SDRAM_1 0x00000000 /* SDRAM Bank #1 */
#define PHYS_SDRAM_1_SIZE 0x08000000 /* 128 MB */
#define PHYS_FLASH_SIZE 0x04000000 /* 64MB */
#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
#define CONFIG_SYS_INIT_RAM_ADDR 0x00800000
#define CONFIG_SYS_INIT_RAM_SIZE 0x000FFFFF
#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - \
GENERATED_GBL_DATA_SIZE)
#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \
CONFIG_SYS_GBL_DATA_OFFSET)
#define CONFIG_BOARD_EARLY_INIT_F
/*-----------------------------------------------------------------------
* FLASH and environment organization
*/
#ifdef CONFIG_ARCH_VERSATILE_QEMU
#define CONFIG_SYS_TEXT_BASE 0x10000
#define CONFIG_SYS_NO_FLASH
#define CONFIG_ENV_IS_NOWHERE
#define CONFIG_SYS_MONITOR_LEN 0x80000
#else
#define CONFIG_SYS_TEXT_BASE 0x01000000
/*
* Use the CFI flash driver for ease of use
*/
#define CONFIG_SYS_FLASH_CFI
#define CONFIG_FLASH_CFI_DRIVER
#define CONFIG_ENV_IS_IN_FLASH 1
/*
* System control register
*/
#define VERSATILE_SYS_BASE 0x10000000
#define VERSATILE_SYS_FLASH_OFFSET 0x4C
#define VERSATILE_FLASHCTRL \
(VERSATILE_SYS_BASE + VERSATILE_SYS_FLASH_OFFSET)
/* Enable writing to flash */
#define VERSATILE_FLASHPROG_FLVPPEN (1 << 0)
/* timeout values are in ticks */
#define CONFIG_SYS_FLASH_ERASE_TOUT (2 * CONFIG_SYS_HZ) /* Erase Timeout */
#define CONFIG_SYS_FLASH_WRITE_TOUT (2 * CONFIG_SYS_HZ) /* Write Timeout */
/*
* Note that CONFIG_SYS_MAX_FLASH_SECT allows for a parameter block
* i.e.
* the bottom "sector" (bottom boot), or top "sector"
* (top boot), is a seperate erase region divided into
* 4 (equal) smaller sectors. This, notionally, allows
* quicker erase/rewrire of the most frequently changed
* area......
* CONFIG_SYS_MAX_FLASH_SECT is padded up to a multiple of 4
*/
#ifdef CONFIG_ARCH_VERSATILE_AB
#define FLASH_SECTOR_SIZE 0x00020000 /* 128 KB sectors */
#define CONFIG_ENV_SECT_SIZE (2 * FLASH_SECTOR_SIZE)
#define CONFIG_SYS_MAX_FLASH_SECT (520)
#endif
#ifdef CONFIG_ARCH_VERSATILE_PB /* Versatile PB is default */
#define FLASH_SECTOR_SIZE 0x00040000 /* 256 KB sectors */
#define CONFIG_ENV_SECT_SIZE FLASH_SECTOR_SIZE
#define CONFIG_SYS_MAX_FLASH_SECT (260)
#endif
#define CONFIG_SYS_FLASH_BASE 0x34000000
#define CONFIG_SYS_MAX_FLASH_BANKS 1
#define CONFIG_SYS_MONITOR_LEN (4 * CONFIG_ENV_SECT_SIZE)
/* The ARM Boot Monitor is shipped in the lowest sector of flash */
#define FLASH_TOP (CONFIG_SYS_FLASH_BASE + PHYS_FLASH_SIZE)
#define CONFIG_ENV_ADDR (FLASH_TOP - CONFIG_ENV_SECT_SIZE)
#define CONFIG_ENV_OFFSET (CONFIG_ENV_ADDR - CONFIG_SYS_FLASH_BASE)
#define CONFIG_SYS_MONITOR_BASE (CONFIG_ENV_ADDR - CONFIG_SYS_MONITOR_LEN)
#define CONFIG_SYS_FLASH_PROTECTION /* The devices have real protection */
#define CONFIG_SYS_FLASH_EMPTY_INFO /* flinfo indicates empty blocks */
#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE /* use buffered writes */
#endif
#endif /* __CONFIG_H */