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https://github.com/AsahiLinux/u-boot
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66a62ce0dc
Use Samsung S3CA410X01 companion chip to reset PDA. Signed-off-by: Lukasz Dalek <luk0104@gmail.com>
73 lines
1.7 KiB
C
73 lines
1.7 KiB
C
/*
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* iPAQ h2200 board configuration
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*
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* Copyright (C) 2012 Lukasz Dalek <luk0104@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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, MA 02111-1307 USA
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*/
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#include <common.h>
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#include <asm/arch/pxa.h>
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#include <asm/arch/pxa-regs.h>
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#include <asm/io.h>
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#include <usb.h>
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DECLARE_GLOBAL_DATA_PTR;
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int board_eth_init(bd_t *bis)
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{
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usb_eth_initialize(bis);
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return 0;
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}
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void reset_cpu(ulong ignore)
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{
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/* Enable VLIO interface on Hamcop */
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writeb(0x1, 0x4000);
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/* Reset board (cold reset) */
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writeb(0xff, 0x4002);
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}
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int board_init(void)
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{
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/* We have RAM, disable cache */
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dcache_disable();
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icache_disable();
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gd->bd->bi_arch_number = MACH_TYPE_H2200;
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/* adress of boot parameters */
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gd->bd->bi_boot_params = 0xa0000100;
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/* Let host see that device is disconnected */
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udc_disconnect();
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mdelay(500);
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return 0;
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}
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int dram_init(void)
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{
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/*
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* Everything except MSC0 was already set up by
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* 1st stage bootloader.
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*
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* This setting enables access to companion chip.
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*/
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clrsetbits_le32(MSC0, 0xffffffff, CONFIG_SYS_MSC0_VAL);
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gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
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return 0;
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}
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