diff options
Diffstat (limited to 'include/configs/cpuat91.h')
| -rw-r--r-- | include/configs/cpuat91.h | 45 |
1 files changed, 31 insertions, 14 deletions
diff --git a/include/configs/cpuat91.h b/include/configs/cpuat91.h index 049298c..b012782 100644 --- a/include/configs/cpuat91.h +++ b/include/configs/cpuat91.h @@ -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 */ |