NetStar: add RTC support

Add RTC support.

Signed-off-by: Ladislav Michl <ladis@linux-mips.org>

board/netstar/netstar.c

@@ -21,6 +21,7 @@
  */
 
 #include <common.h>
+#include <i2c.h>
 #include <flash.h>
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -53,6 +54,10 @@ int dram_init(void)
 
 int misc_init_r(void)
 {
+#if defined(CONFIG_RTC_DS1307)
+	/* enable trickle charge */
+	i2c_reg_write(CONFIG_SYS_I2C_RTC_ADDR, 0x10, 0xaa);
+#endif
 	return 0;
 }
 

include/configs/netstar.h

@@ -110,6 +110,14 @@
 #define CONFIG_SYS_NAND_BASE		0x04000000 + (2 << 23)
 #define NAND_ALLOW_ERASE_ALL		1
 
+#define CONFIG_HARD_I2C
+#define CONFIG_SYS_I2C_SPEED		100000
+#define CONFIG_SYS_I2C_SLAVE		1
+#define CONFIG_DRIVER_OMAP1510_I2C
+
+#define CONFIG_RTC_DS1307
+#define CONFIG_SYS_I2C_RTC_ADDR		0x68
+
 
 #define CONFIG_CONS_INDEX		1
 #define CONFIG_BAUDRATE			115200
@@ -133,6 +141,7 @@
  */
 #define CONFIG_CMD_BDI
 #define CONFIG_CMD_BOOTD
+#define CONFIG_CMD_DATE
 #define CONFIG_CMD_DHCP
 #define CONFIG_CMD_SAVEENV
 #define CONFIG_CMD_FLASH