X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=blobdiff_plain;f=include%2Fconfigs%2Fcpuat91.h;h=b0127826b885c4cd2a2c3db560f5410b6b887fd2;hp=049298cfa3635bb5072cfde93d4bc290362c8f65;hb=af4b8b4bdb37f49eb0bdf969a64341a8c65ccafa;hpb=64037fb453e569480ec3fc14500047a23a6b637e

diff --git a/include/configs/cpuat91.h b/include/configs/cpuat91.h
index 049298cfa3..b0127826b8 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 */