mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-04 10:30:32 +00:00
ef1bd8f416
if we have no NAND-Chip, we don't need the gpmc-controller and therefore is no need to init it. Cc: trini@ti.com Signed-off-by: Hannes Petermaier <oe5hpm@oevsv.at>
149 lines
3.8 KiB
C
149 lines
3.8 KiB
C
/*
|
|
* board.c
|
|
*
|
|
* Board functions for B&R LEIT Board
|
|
*
|
|
* Copyright (C) 2013 Hannes Petermaier <oe5hpm@oevsv.at>
|
|
* Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <errno.h>
|
|
#include <spl.h>
|
|
#include <asm/arch/cpu.h>
|
|
#include <asm/arch/hardware.h>
|
|
#include <asm/arch/omap.h>
|
|
#include <asm/arch/ddr_defs.h>
|
|
#include <asm/arch/clock.h>
|
|
#include <asm/arch/gpio.h>
|
|
#include <asm/arch/sys_proto.h>
|
|
#include <asm/arch/mem.h>
|
|
#include <asm/io.h>
|
|
#include <asm/emif.h>
|
|
#include <asm/gpio.h>
|
|
#include <i2c.h>
|
|
#include <power/tps65217.h>
|
|
#include "../common/bur_common.h"
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
/* --------------------------------------------------------------------------*/
|
|
/* -- defines for GPIO -- */
|
|
#define ETHLED_ORANGE (96+16) /* GPIO3_16 */
|
|
#define REPSWITCH (0+20) /* GPIO0_20 */
|
|
|
|
|
|
#if defined(CONFIG_SPL_BUILD)
|
|
/* TODO: check ram-timing ! */
|
|
static const struct ddr_data ddr3_data = {
|
|
.datardsratio0 = MT41K256M16HA125E_RD_DQS,
|
|
.datawdsratio0 = MT41K256M16HA125E_WR_DQS,
|
|
.datafwsratio0 = MT41K256M16HA125E_PHY_FIFO_WE,
|
|
.datawrsratio0 = MT41K256M16HA125E_PHY_WR_DATA,
|
|
};
|
|
|
|
static const struct cmd_control ddr3_cmd_ctrl_data = {
|
|
.cmd0csratio = MT41K256M16HA125E_RATIO,
|
|
.cmd0iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
|
|
|
|
.cmd1csratio = MT41K256M16HA125E_RATIO,
|
|
.cmd1iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
|
|
|
|
.cmd2csratio = MT41K256M16HA125E_RATIO,
|
|
.cmd2iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
|
|
};
|
|
|
|
static struct emif_regs ddr3_emif_reg_data = {
|
|
.sdram_config = MT41K256M16HA125E_EMIF_SDCFG,
|
|
.ref_ctrl = MT41K256M16HA125E_EMIF_SDREF,
|
|
.sdram_tim1 = MT41K256M16HA125E_EMIF_TIM1,
|
|
.sdram_tim2 = MT41K256M16HA125E_EMIF_TIM2,
|
|
.sdram_tim3 = MT41K256M16HA125E_EMIF_TIM3,
|
|
.zq_config = MT41K256M16HA125E_ZQ_CFG,
|
|
.emif_ddr_phy_ctlr_1 = MT41K256M16HA125E_EMIF_READ_LATENCY,
|
|
};
|
|
|
|
static const struct ctrl_ioregs ddr3_ioregs = {
|
|
.cm0ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
|
|
.cm1ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
|
|
.cm2ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
|
|
.dt0ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
|
|
.dt1ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
|
|
};
|
|
|
|
#ifdef CONFIG_SPL_OS_BOOT
|
|
/*
|
|
* called from spl_nand.c
|
|
* return 0 for loading linux, return 1 for loading u-boot
|
|
*/
|
|
int spl_start_uboot(void)
|
|
{
|
|
if (0 == gpio_get_value(REPSWITCH)) {
|
|
blink(5, 125, ETHLED_ORANGE);
|
|
mdelay(1000);
|
|
printf("SPL: entering u-boot instead kernel image.\n");
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
#endif /* CONFIG_SPL_OS_BOOT */
|
|
|
|
#define OSC (V_OSCK/1000000)
|
|
static const struct dpll_params dpll_ddr3 = { 400, OSC-1, 1, -1, -1, -1, -1};
|
|
|
|
void am33xx_spl_board_init(void)
|
|
{
|
|
pmicsetup(1000);
|
|
}
|
|
|
|
const struct dpll_params *get_dpll_ddr_params(void)
|
|
{
|
|
return &dpll_ddr3;
|
|
}
|
|
|
|
void sdram_init(void)
|
|
{
|
|
config_ddr(400, &ddr3_ioregs,
|
|
&ddr3_data,
|
|
&ddr3_cmd_ctrl_data,
|
|
&ddr3_emif_reg_data, 0);
|
|
}
|
|
#endif /* CONFIG_SPL_BUILD */
|
|
|
|
/* Basic board specific setup. Pinmux has been handled already. */
|
|
int board_init(void)
|
|
{
|
|
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
|
|
#ifdef CONFIG_NAND
|
|
gpmc_init();
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_BOARD_LATE_INIT
|
|
int board_late_init(void)
|
|
{
|
|
gpio_direction_output(ETHLED_ORANGE, 0);
|
|
|
|
if (0 == gpio_get_value(REPSWITCH)) {
|
|
printf("\n\n\n"
|
|
"!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n"
|
|
"!!!!!!! recovery switch activated !!!!!!!\n"
|
|
"!!!!!!! running usbupdate !!!!!!!\n"
|
|
"!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n\n\n");
|
|
setenv("bootcmd", "sleep 2; run netupdate;");
|
|
}
|
|
|
|
printf("turning on display power+backlight ... ");
|
|
tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, TPS65217_WLEDCTRL1,
|
|
0x09, TPS65217_MASK_ALL_BITS); /* 200 Hz, ON */
|
|
tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, TPS65217_WLEDCTRL2,
|
|
0x62, TPS65217_MASK_ALL_BITS); /* 100% */
|
|
printf("ok.\n");
|
|
|
|
return 0;
|
|
}
|
|
#endif /* CONFIG_BOARD_LATE_INIT */
|