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/davinci/dm355leopard/dm355leopard.c

98 lines
2.7 KiB

/*
* Copyright (C) 2009 Texas Instruments Incorporated
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <common.h>
#include <nand.h>
#include <asm/io.h>
#include <asm/arch/hardware.h>
#include <asm/arch/gpio_defs.h>
#include <asm/arch/nand_defs.h>
#include "../common/misc.h"
#include <net.h>
#include <netdev.h>
DECLARE_GLOBAL_DATA_PTR;
int board_init(void)
{
struct davinci_gpio *gpio01_base =
(struct davinci_gpio *)DAVINCI_GPIO_BANK01;
struct davinci_gpio *gpio23_base =
(struct davinci_gpio *)DAVINCI_GPIO_BANK23;
struct davinci_gpio *gpio67_base =
(struct davinci_gpio *)DAVINCI_GPIO_BANK67;
gd->bd->bi_arch_number = MACH_TYPE_DM355_LEOPARD;
gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
/* GIO 9 & 10 are used for IO */
writel((readl(PINMUX3) & 0XF8FFFFFF), PINMUX3);
/* Interrupt set GIO 9 */
writel((readl(DAVINCI_GPIO_BINTEN) | 0x1), DAVINCI_GPIO_BINTEN);
/* set GIO 9 input */
writel((readl(&gpio01_base->dir) | (1 << 9)), &gpio01_base->dir);
/* Both edge trigger GIO 9 */
writel((readl(&gpio01_base->set_rising) | (1 << 9)),
&gpio01_base->set_rising);
writel((readl(&gpio01_base->dir) & ~(1 << 5)), &gpio01_base->dir);
/* output low */
writel((readl(&gpio01_base->set_data) & ~(1 << 5)),
&gpio01_base->set_data);
/* set GIO 10 output */
writel((readl(&gpio01_base->dir) & ~(1 << 10)), &gpio01_base->dir);
/* output high */
writel((readl(&gpio01_base->set_data) | (1 << 10)),
&gpio01_base->set_data);
/* set GIO 32 output */
writel((readl(&gpio23_base->dir) & ~(1 << 0)), &gpio23_base->dir);
/* output High */
writel((readl(&gpio23_base->set_data) | (1 << 0)),
&gpio23_base->set_data);
/* Enable UART1 MUX Lines */
writel((readl(PINMUX0) & ~3), PINMUX0);
writel((readl(&gpio67_base->dir) & ~(1 << 6)), &gpio67_base->dir);
writel((readl(&gpio67_base->set_data) | (1 << 6)),
&gpio67_base->set_data);
return 0;
}
#ifdef CONFIG_DRIVER_DM9000
int board_eth_init(bd_t *bis)
{
return dm9000_initialize(bis);
}
#endif
#ifdef CONFIG_NAND_DAVINCI
int board_nand_init(struct nand_chip *nand)
{
davinci_nand_init(nand);
return 0;
}
#endif