u-boot/board/freescale/mx31pdk/mx31pdk.c
Fabio Estevam 1f83d009e4 mx31pdk: Add MC13783 PMIC support
Add MC13783 PMIC support.

Tested by using the 'date' command, which reads the MC13783 RTC registers:

MX31PDK U-Boot > date
Date: 1970-01-01 (Thursday)    Time:  2:22:35

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
2011-11-03 22:56:18 +01:00

113 lines
2.6 KiB
C

/*
*
* (C) Copyright 2009 Magnus Lilja <lilja.magnus@gmail.com>
*
* (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <netdev.h>
#include <asm/arch/clock.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/sys_proto.h>
#include <watchdog.h>
#include <pmic.h>
#include <fsl_pmic.h>
DECLARE_GLOBAL_DATA_PTR;
#ifdef CONFIG_HW_WATCHDOG
void hw_watchdog_reset(void)
{
mxc_hw_watchdog_reset();
}
#endif
int dram_init(void)
{
/* dram_init must store complete ramsize in gd->ram_size */
gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
PHYS_SDRAM_1_SIZE);
return 0;
}
int board_early_init_f(void)
{
/* CS5: CPLD incl. network controller */
static const struct mxc_weimcs cs5 = {
/* sp wp bcd bcs psz pme sync dol cnc wsc ew wws edc */
CSCR_U(0, 0, 0, 0, 0, 0, 0, 0, 3, 24, 0, 4, 3),
/* oea oen ebwa ebwn csa ebc dsz csn psr cre wrap csen */
CSCR_L(2, 2, 2, 5, 2, 0, 5, 2, 0, 0, 0, 1),
/* ebra ebrn rwa rwn mum lah lbn lba dww dct wwu age cnc2 fce*/
CSCR_A(2, 2, 2, 2, 0, 0, 2, 2, 0, 0, 0, 0, 0, 0)
};
mxc_setup_weimcs(5, &cs5);
/* Setup UART1 and SPI2 pins */
mx31_uart1_hw_init();
mx31_spi2_hw_init();
return 0;
}
int board_init(void)
{
/* adress of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
return 0;
}
int board_late_init(void)
{
u32 val;
struct pmic *p;
pmic_init();
p = get_pmic();
/* Enable RTC battery */
pmic_reg_read(p, REG_POWER_CTL0, &val);
pmic_reg_write(p, REG_POWER_CTL0, val | COINCHEN);
pmic_reg_write(p, REG_INT_STATUS1, RTCRSTI);
#ifdef CONFIG_HW_WATCHDOG
mxc_hw_watchdog_enable();
#endif
return 0;
}
int checkboard(void)
{
printf("Board: MX31PDK\n");
return 0;
}
int board_eth_init(bd_t *bis)
{
int rc = 0;
#ifdef CONFIG_SMC911X
rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
#endif
return rc;
}