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authorAlessandro Rubini <rubini@unipv.it>2009-07-24 11:27:14 +0200
committerHeiko Schocher <hs@denx.de>2009-07-29 09:57:47 +0200
commitbb4291e62579dbc611e84eaaf973631e0bf129c7 (patch)
tree2a2bc8563067e0554fd154184cb6b0866d2a5096 /include/configs/nhk8815.h
parent60cbfbfd0fbebb4682f10ba96f622bfe17317598 (diff)
arm nomadik: add i2c
Signed-off-by: Alessandro Rubini <rubini@unipv.it> Acked-by: Andrea Gallo <andrea.gallo@stericsson.com> Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Diffstat (limited to 'include/configs/nhk8815.h')
-rw-r--r--include/configs/nhk8815.h18
1 files changed, 17 insertions, 1 deletions
diff --git a/include/configs/nhk8815.h b/include/configs/nhk8815.h
index 3e2e09fb83..8a83d924bb 100644
--- a/include/configs/nhk8815.h
+++ b/include/configs/nhk8815.h
@@ -93,7 +93,7 @@
#define CONFIG_SYS_GBL_DATA_SIZE 128 /* for initial data */
#define CONFIG_SYS_64BIT_VSPRINTF /* mtd desires this */
-#define CONFIG_MISC_INIT_R /* call misc_init_r during start up */
+#define BOARD_LATE_INIT /* call board_late_init during start up */
/* timing informazion */
#define CONFIG_SYS_HZ 1000 /* Mandatory... */
@@ -110,6 +110,22 @@
#define CONFIG_PL01x_PORTS { (void *)CFG_SERIAL0, (void *)CFG_SERIAL1 }
#define CONFIG_PL011_CLOCK 48000000
+/* i2c, for the port extenders (uses gpio.c in board directory) */
+#ifndef __ASSEMBLY__
+#include <asm/arch/gpio.h>
+#define CONFIG_CMD_I2C
+#define CONFIG_SOFT_I2C
+#define CONFIG_SYS_I2C_SPEED 400000
+#define __SDA 63
+#define __SCL 62
+#define I2C_SDA(x) nmk_gpio_set(__SDA, x)
+#define I2C_SCL(x) nmk_gpio_set(__SCL, x)
+#define I2C_READ (nmk_gpio_get(__SDA)!=0)
+#define I2C_ACTIVE nmk_gpio_dir(__SDA, 1)
+#define I2C_TRISTATE nmk_gpio_dir(__SDA, 0)
+#define I2C_DELAY (udelay(2))
+#endif /* __ASSEMBLY__ */
+
/* Ethernet */
#define PCI_MEMORY_VADDR 0xe8000000
#define PCI_IO_VADDR 0xee000000