upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/board/logicpd/imx27lite/imx27lite.c

92 lines
2.4 KiB

/*
* Copyright (C) 2007 Sascha Hauer, Pengutronix
* Copyright (C) 2008,2009 Eric Jarrige <jorasse@users.sourceforge.net>
* Copyright (C) 2009 Ilya Yanok <yanok@emcraft.com>
*
* 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 <asm/io.h>
#include <asm/arch/imx-regs.h>
DECLARE_GLOBAL_DATA_PTR;
int board_init(void)
{
struct gpio_regs *regs = (struct gpio_regs *)IMX_GPIO_BASE;
#if defined(CONFIG_SYS_NAND_LARGEPAGE)
struct system_control_regs *sc_regs =
(struct system_control_regs *)IMX_SYSTEM_CTL_BASE;
#endif
gd->bd->bi_arch_number = MACH_TYPE_IMX27LITE;
gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
#ifdef CONFIG_MXC_UART
mx27_uart1_init_pins();
#endif
#ifdef CONFIG_FEC_MXC
mx27_fec_init_pins();
imx_gpio_mode((GPIO_PORTC | GPIO_OUT | GPIO_PUEN | GPIO_GPIO | 31));
writel(readl(&regs->port[PORTC].dr) | (1 << 31),
&regs->port[PORTC].dr);
#endif
#ifdef CONFIG_MXC_MMC
#if defined(CONFIG_MAGNESIUM)
mx27_sd1_init_pins();
#else
mx27_sd2_init_pins();
#endif
#endif
#if defined(CONFIG_SYS_NAND_LARGEPAGE)
/*
* set in FMCR NF_FMS Bit(5) to 1
* (NAND Flash with 2 Kbyte page size)
*/
writel(readl(&sc_regs->fmcr) | (1 << 5), &sc_regs->fmcr);
#endif
return 0;
}
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;
}
void dram_init_banksize(void)
{
gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
gd->bd->bi_dram[0].size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
PHYS_SDRAM_1_SIZE);
#if CONFIG_NR_DRAM_BANKS > 1
gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
gd->bd->bi_dram[1].size = get_ram_size((void *)PHYS_SDRAM_2,
PHYS_SDRAM_2_SIZE);
#endif
}
int checkboard(void)
{
puts("Board: ");
puts(CONFIG_BOARDNAME);
return 0;
}