/* * (C) Copyright 2002 * Sysgo Real-Time Solutions, GmbH <www.elinos.com> * Marius Groeger <mgroeger@sysgo.de> * * (C) Copyright 2002 * Gary Jennejohn, DENX Software Engineering, <gj@denx.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 <s3c2400.h> DECLARE_GLOBAL_DATA_PTR; #ifdef CONFIG_MODEM_SUPPORT static int key_pressed(void); int mdm_init (bd_t *); extern void disable_putc(void); extern void enable_putc(void); extern int hwflow_onoff(int); extern int do_mdm_init; /* defined in common/main.c */ #endif /* CONFIG_MODEM_SUPPORT */ /* * Miscellaneous platform dependent initialisations */ int board_init (void) { S3C24X0_CLOCK_POWER * const clk_power = S3C24X0_GetBase_CLOCK_POWER(); S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO(); /* memory and cpu-speed are setup before relocation */ /* change the clock to be 50 MHz 1:1:1 */ clk_power->MPLLCON = 0x5c042; clk_power->CLKDIVN = 0; /* set up the I/O ports */ gpio->PACON = 0x3ffff; gpio->PBCON = 0xaaaaaaaa; gpio->PBUP = 0xffff; gpio->PECON = 0x0; gpio->PEUP = 0x0; #ifdef CONFIG_HWFLOW /*CTS[0] RTS[0] INPUT INPUT TXD[0] INPUT RXD[0] */ /* 10, 10, 00, 00, 10, 00, 10 */ gpio->PFCON=0xa22; /* Disable pull-up on Rx, Tx, CTS and RTS pins */ gpio->PFUP=0x35; #else /*INPUT INPUT INPUT INPUT TXD[0] INPUT RXD[0] */ /* 00, 00, 00, 00, 10, 00, 10 */ gpio->PFCON = 0x22; /* Disable pull-up on Rx and Tx pins */ gpio->PFUP = 0x5; #endif /* CONFIG_HWFLOW */ gpio->PGCON = 0x0; gpio->PGUP = 0x0; gpio->OPENCR = 0x0; /* arch number of SAMSUNG-Board to MACH_TYPE_SMDK2400 */ gd->bd->bi_arch_number = MACH_TYPE_SMDK2400; /* adress of boot parameters */ gd->bd->bi_boot_params = 0x0C000100; #ifdef CONFIG_MODEM_SUPPORT if (key_pressed()) { disable_putc(); /* modem doesn't understand banner etc */ do_mdm_init = 1; } #endif /* CONFIG_MODEM_SUPPORT */ return 0; } int dram_init (void) { gd->bd->bi_dram[0].start = PHYS_SDRAM_1; gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; return 0; } #ifdef CONFIG_MODEM_SUPPORT static int key_pressed(void) { int rc; if (1) { /* check for button push here, now just return 1 */ rc = 1; } return rc; } #endif /* CONFIG_MODEM_SUPPORT */