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cpuat91: convert to new at91 soc architecture

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convert the board to the new soc architecture
update default config
i2c upgrade taken from eb_cpux9k2.h & board/BuS/eb_cpux9k2/cpux9k2.c

Signed-off-by: Eric Bénard <eric@eukrea.com>
Signed-off-by: Reinhard Meyer <u-boot@emk-elektronik.de>
This commit is contained in:
Eric Bénard
2010-08-09 11:50:45 +02:00
committed by Reinhard Meyer
parent 64037fb453
commit af4b8b4bdb
3 changed files with 54 additions and 46 deletions
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45
include/configs/cpuat91.h
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@@ -1,5 +1,5 @@
/*
* CPUAT91 by (C) Copyright 2006 Eric Benard
* CPUAT91 by (C) Copyright 2006-2010 Eric Benard
* eric@eukrea.com
*
* Configuration settings for the CPUAT91 board.
@@ -23,15 +23,12 @@
* MA 02111-1307 USA
*/
#ifndef __CONFIG_H
#define __CONFIG_H
#define CONFIG_AT91_LEGACY
#ifndef _CONFIG_CPUAT91_H
#define _CONFIG_CPUAT91_H
#ifdef CONFIG_CPUAT91_RAM
#define CONFIG_SKIP_LOWLEVEL_INIT 1
#define CONFIG_SKIP_RELOCATE_UBOOT 1
#define CONFIG_CPUAT91 1
#else
#define CONFIG_BOOTDELAY 1
#endif
@@ -43,6 +40,7 @@
#define CONFIG_ARM920T 1
#define CONFIG_AT91RM9200 1
#define CONFIG_CPUAT91 1
#undef CONFIG_USE_IRQ
#define USE_920T_MMU 1
@@ -89,16 +87,36 @@
#undef CONFIG_USART0
#undef CONFIG_USART1
#define CONFIG_HARD_I2C 1
#undef CONFIG_HARD_I2C
#define CONFIG_SOFT_I2C 1
#define AT91_PIN_SDA (1<<25)
#define AT91_PIN_SCL (1<<26)
#define CONFIG_SYS_I2C_INIT_BOARD 1
#define CONFIG_SYS_I2C_SPEED 50000
#define CONFIG_SYS_I2C_SLAVE 0
#define I2C_INIT i2c_init_board();
#define I2C_ACTIVE writel(AT91_PMX_AA_TWD, &pio->pioa.mddr);
#define I2C_TRISTATE writel(AT91_PMX_AA_TWD, &pio->pioa.mder);
#define I2C_READ ((readl(&pio->pioa.pdsr) & AT91_PMX_AA_TWD) != 0)
#define I2C_SDA(bit) \
if (bit) \
writel(AT91_PMX_AA_TWD, &pio->pioa.sodr); \
else \
writel(AT91_PMX_AA_TWD, &pio->pioa.codr);
#define I2C_SCL(bit) \
if (bit) \
writel(AT91_PMX_AA_TWCK, &pio->pioa.sodr); \
else \
writel(AT91_PMX_AA_TWCK, &pio->pioa.codr);
#define I2C_DELAY udelay(2500000/CONFIG_SYS_I2C_SPEED)
#if defined(CONFIG_HARD_I2C)
#define CONFIG_SYS_I2C_SPEED 50000
#define CONFIG_SYS_I2C_SLAVE 0
#define CONFIG_SYS_I2C_EEPROM_ADDR 0x54
#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1
#define CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW 1
#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10
#endif
#define CONFIG_BOOTP_BOOTFILESIZE 1
#define CONFIG_BOOTP_BOOTPATH 1
@@ -117,10 +135,8 @@
#undef CONFIG_CMD_LOADS
#undef CONFIG_CMD_NFS
#if defined(CONFIG_HARD_I2C)
#define CONFIG_CMD_EEPROM 1
#define CONFIG_CMD_I2C 1
#endif
#define CONFIG_NR_DRAM_BANKS 1
#define PHYS_SDRAM 0x20000000
@@ -148,6 +164,7 @@
#define PHYS_FLASH_1 0x10000000
#define CONFIG_SYS_FLASH_BASE PHYS_FLASH_1
#define CONFIG_SYS_MAX_FLASH_SECT 128
#define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_16BIT
#if defined(CONFIG_CMD_USB)
#define CONFIG_USB_OHCI_NEW 1
@@ -230,4 +247,4 @@
"flashboot=run ramargs;bootm 10040000\0" \
"netboot=run ramargs;tftpboot 21000000 cpuat91/uImage;" \
"bootm 21000000\0"
#endif /* __CONFIG_H */
#endif /* _CONFIG_CPUAT91_H */