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arm: lager: Add support reset function 

The lager board uses I2C for reset.

ned-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
This commit is contained in:
Nobuhiro Iwamatsu 2013-10-10 09:13:41 +09:00 committed by Nobuhiro Iwamatsu
parent b9107adf0b
commit b9986be084
2 changed files with 10 additions and 0 deletions
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8
board/renesas/lager/lager.c
View File

@ -19,6 +19,7 @@
#include <asm/gpio.h> #include <asm/gpio.h>
#include <asm/arch/rmobile.h> #include <asm/arch/rmobile.h>
#include <miiphy.h> #include <miiphy.h>
#include <i2c.h>
#include "qos.h" #include "qos.h"
DECLARE_GLOBAL_DATA_PTR; DECLARE_GLOBAL_DATA_PTR;
@ -354,4 +355,11 @@ int board_late_init(void)
void reset_cpu(ulong addr) void reset_cpu(ulong addr)
{ {
u8 val;
i2c_set_bus_num(3); /* PowerIC connected to ch3 */
i2c_init(400000, 0);
i2c_read(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
val |= 0x02;
i2c_write(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
} }

2
include/configs/lager.h
View File

@ -159,6 +159,8 @@
#define CONFIG_SYS_RCAR_I2C3_SPEED 400000 #define CONFIG_SYS_RCAR_I2C3_SPEED 400000
#define CONFIF_SYS_RCAR_I2C_NUM_CONTROLLERS 4 #define CONFIF_SYS_RCAR_I2C_NUM_CONTROLLERS 4
#define CONFIG_SYS_I2C_POWERIC_ADDR 0x58 /* da9063 */
/* Board Clock */ /* Board Clock */
#define CONFIG_BASE_CLK_FREQ 20000000u #define CONFIG_BASE_CLK_FREQ 20000000u
#define CONFIG_SH_TMU_CLK_FREQ (CONFIG_BASE_CLK_FREQ / 2) /* EXT / 2 */ #define CONFIG_SH_TMU_CLK_FREQ (CONFIG_BASE_CLK_FREQ / 2) /* EXT / 2 */