@ -6,10 +6,8 @@
*/
# include <common.h>
# include <i2c.h>
# include <asm/io.h>
# include <asm/arch/crm_regs.h>
# include <asm/arch/iomux.h>
# include <asm/arch/mx6-ddr.h>
# include <asm/arch/mx6-pins.h>
# include <asm/arch/sys_proto.h>
@ -18,54 +16,14 @@
# include <asm/imx-common/mxc_i2c.h>
# include <spl.h>
# include "ventana_eeprom.h"
# include "gsc.h"
# include "common.h"
DECLARE_GLOBAL_DATA_PTR ;
# define RTT_NOM_120OHM /* use 120ohm Rtt_nom vs 60ohm (lower power) */
# define I2C_GSC 0
# define GSC_EEPROM_ADDR 0x51
# define GSC_EEPROM_DDR_SIZE 0x2B /* enum (512,1024,2048) MB */
# define GSC_EEPROM_DDR_WIDTH 0x2D /* enum (32,64) bit */
# define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
PAD_CTL_ODE | PAD_CTL_SRE_FAST )
# define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
# define CONFIG_SYS_I2C_SPEED 100000
/* I2C1: GSC */
static struct i2c_pads_info mx6q_i2c_pad_info0 = {
. scl = {
. i2c_mode = MX6Q_PAD_EIM_D21__I2C1_SCL | PC ,
. gpio_mode = MX6Q_PAD_EIM_D21__GPIO3_IO21 | PC ,
. gp = IMX_GPIO_NR ( 3 , 21 )
} ,
. sda = {
. i2c_mode = MX6Q_PAD_EIM_D28__I2C1_SDA | PC ,
. gpio_mode = MX6Q_PAD_EIM_D28__GPIO3_IO28 | PC ,
. gp = IMX_GPIO_NR ( 3 , 28 )
}
} ;
static struct i2c_pads_info mx6dl_i2c_pad_info0 = {
. scl = {
. i2c_mode = MX6DL_PAD_EIM_D21__I2C1_SCL | PC ,
. gpio_mode = MX6DL_PAD_EIM_D21__GPIO3_IO21 | PC ,
. gp = IMX_GPIO_NR ( 3 , 21 )
} ,
. sda = {
. i2c_mode = MX6DL_PAD_EIM_D28__I2C1_SDA | PC ,
. gpio_mode = MX6DL_PAD_EIM_D28__GPIO3_IO28 | PC ,
. gp = IMX_GPIO_NR ( 3 , 28 )
}
} ;
static void i2c_setup_iomux ( void )
{
if ( is_cpu_type ( MXC_CPU_MX6Q ) )
setup_i2c ( 0 , CONFIG_SYS_I2C_SPEED , 0x7f , & mx6q_i2c_pad_info0 ) ;
else
setup_i2c ( 0 , CONFIG_SYS_I2C_SPEED , 0x7f , & mx6dl_i2c_pad_info0 ) ;
}
/* configure MX6Q/DUAL mmdc DDR io registers */
struct mx6dq_iomux_ddr_regs mx6dq_ddr_ioregs = {
@ -540,8 +498,8 @@ void board_init_f(ulong dummy)
gpr_init ( ) ;
/* iomux and setup of i2c */
board_early_init_f ( ) ;
i2c_setup_iomux ( ) ;
setup_iomux_uart ( ) ;
setup_ventana_i2c ( ) ;
/* setup GP timer */
timer_init ( ) ;
@ -550,7 +508,7 @@ void board_init_f(ulong dummy)
preloader_console_init ( ) ;
/* read/validate EEPROM info to determine board model and SDRAM cfg */
board_model = read_eeprom ( I2C_GSC , & ventana_info ) ;
board_model = read_eeprom ( CONFIG_ I2C_GSC, & ventana_info ) ;
/* provide some some default: 32bit 128MB */
if ( GW_UNKNOWN = = board_model ) {