mirror of
https://github.com/AsahiLinux/u-boot
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1f83d009e4
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>
113 lines
2.6 KiB
C
113 lines
2.6 KiB
C
/*
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*
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* (C) Copyright 2009 Magnus Lilja <lilja.magnus@gmail.com>
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*
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* (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <netdev.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/imx-regs.h>
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#include <asm/arch/sys_proto.h>
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#include <watchdog.h>
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#include <pmic.h>
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#include <fsl_pmic.h>
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DECLARE_GLOBAL_DATA_PTR;
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#ifdef CONFIG_HW_WATCHDOG
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void hw_watchdog_reset(void)
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{
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mxc_hw_watchdog_reset();
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}
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#endif
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int dram_init(void)
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{
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/* dram_init must store complete ramsize in gd->ram_size */
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gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
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PHYS_SDRAM_1_SIZE);
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return 0;
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}
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int board_early_init_f(void)
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{
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/* CS5: CPLD incl. network controller */
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static const struct mxc_weimcs cs5 = {
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/* sp wp bcd bcs psz pme sync dol cnc wsc ew wws edc */
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CSCR_U(0, 0, 0, 0, 0, 0, 0, 0, 3, 24, 0, 4, 3),
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/* oea oen ebwa ebwn csa ebc dsz csn psr cre wrap csen */
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CSCR_L(2, 2, 2, 5, 2, 0, 5, 2, 0, 0, 0, 1),
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/* ebra ebrn rwa rwn mum lah lbn lba dww dct wwu age cnc2 fce*/
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CSCR_A(2, 2, 2, 2, 0, 0, 2, 2, 0, 0, 0, 0, 0, 0)
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};
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mxc_setup_weimcs(5, &cs5);
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/* Setup UART1 and SPI2 pins */
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mx31_uart1_hw_init();
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mx31_spi2_hw_init();
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return 0;
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}
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int board_init(void)
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{
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/* adress of boot parameters */
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gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
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return 0;
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}
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int board_late_init(void)
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{
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u32 val;
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struct pmic *p;
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pmic_init();
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p = get_pmic();
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/* Enable RTC battery */
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pmic_reg_read(p, REG_POWER_CTL0, &val);
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pmic_reg_write(p, REG_POWER_CTL0, val | COINCHEN);
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pmic_reg_write(p, REG_INT_STATUS1, RTCRSTI);
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#ifdef CONFIG_HW_WATCHDOG
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mxc_hw_watchdog_enable();
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#endif
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return 0;
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}
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int checkboard(void)
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{
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printf("Board: MX31PDK\n");
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return 0;
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}
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int board_eth_init(bd_t *bis)
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{
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int rc = 0;
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#ifdef CONFIG_SMC911X
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rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
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#endif
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return rc;
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}
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