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-rw-r--r--include/configs/cpuat91.h45
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 */