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wdenkd8a555f2002-09-14 19:10:04 +00001/*
2 * (C) Copyright 2002
3 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
4 * Marius Groeger <mgroeger@sysgo.de>
5 *
6 * (C) Copyright 2002
Detlev Zundel792a09e2009-05-13 10:54:10 +02007 * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
wdenkd8a555f2002-09-14 19:10:04 +00008 *
9 * See file CREDITS for list of people who contributed to this
10 * project.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License as
14 * published by the Free Software Foundation; either version 2 of
15 * the License, or (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 * MA 02111-1307 USA
26 */
27
28#include <common.h>
Ben Warrenb1c0eaa2009-08-25 13:09:37 -070029#include <netdev.h>
kevin.morfitt@fearnside-systems.co.ukac678042009-11-17 18:30:34 +090030#include <asm/arch/s3c24x0_cpu.h>
wdenkd8a555f2002-09-14 19:10:04 +000031
Wolfgang Denkd87080b2006-03-31 18:32:53 +020032DECLARE_GLOBAL_DATA_PTR;
wdenkd8a555f2002-09-14 19:10:04 +000033
34#ifdef CONFIG_MODEM_SUPPORT
35static int key_pressed(void);
36int mdm_init (bd_t *);
37extern void disable_putc(void);
38extern void enable_putc(void);
39extern int hwflow_onoff(int);
40extern int do_mdm_init; /* defined in common/main.c */
41#endif /* CONFIG_MODEM_SUPPORT */
42
43/*
44 * Miscellaneous platform dependent initialisations
45 */
46
47int board_init (void)
48{
kevin.morfitt@fearnside-systems.co.ukeb0ae7f2009-10-10 13:33:11 +090049 struct s3c24x0_clock_power * const clk_power =
50 s3c24x0_get_base_clock_power();
51 struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
wdenkd8a555f2002-09-14 19:10:04 +000052
53 /* memory and cpu-speed are setup before relocation */
54 /* change the clock to be 50 MHz 1:1:1 */
wdenk48b42612003-06-19 23:01:32 +000055 clk_power->MPLLCON = 0x5c042;
56 clk_power->CLKDIVN = 0;
wdenkd8a555f2002-09-14 19:10:04 +000057 /* set up the I/O ports */
wdenk48b42612003-06-19 23:01:32 +000058 gpio->PACON = 0x3ffff;
59 gpio->PBCON = 0xaaaaaaaa;
60 gpio->PBUP = 0xffff;
61 gpio->PECON = 0x0;
62 gpio->PEUP = 0x0;
wdenkd8a555f2002-09-14 19:10:04 +000063#ifdef CONFIG_HWFLOW
64 /*CTS[0] RTS[0] INPUT INPUT TXD[0] INPUT RXD[0] */
65 /* 10, 10, 00, 00, 10, 00, 10 */
wdenk48b42612003-06-19 23:01:32 +000066 gpio->PFCON=0xa22;
wdenkd8a555f2002-09-14 19:10:04 +000067 /* Disable pull-up on Rx, Tx, CTS and RTS pins */
wdenk48b42612003-06-19 23:01:32 +000068 gpio->PFUP=0x35;
wdenkd8a555f2002-09-14 19:10:04 +000069#else
70 /*INPUT INPUT INPUT INPUT TXD[0] INPUT RXD[0] */
71 /* 00, 00, 00, 00, 10, 00, 10 */
wdenk48b42612003-06-19 23:01:32 +000072 gpio->PFCON = 0x22;
wdenkd8a555f2002-09-14 19:10:04 +000073 /* Disable pull-up on Rx and Tx pins */
wdenk48b42612003-06-19 23:01:32 +000074 gpio->PFUP = 0x5;
wdenkd8a555f2002-09-14 19:10:04 +000075#endif /* CONFIG_HWFLOW */
wdenk48b42612003-06-19 23:01:32 +000076 gpio->PGCON = 0x0;
77 gpio->PGUP = 0x0;
78 gpio->OPENCR = 0x0;
wdenkd8a555f2002-09-14 19:10:04 +000079
80 /* arch number of SAMSUNG-Board to MACH_TYPE_SMDK2400 */
wdenk731215e2004-10-10 18:41:04 +000081 gd->bd->bi_arch_number = MACH_TYPE_SMDK2400;
wdenkd8a555f2002-09-14 19:10:04 +000082
83 /* adress of boot parameters */
84 gd->bd->bi_boot_params = 0x0C000100;
85
86#ifdef CONFIG_MODEM_SUPPORT
87 if (key_pressed()) {
88 disable_putc(); /* modem doesn't understand banner etc */
89 do_mdm_init = 1;
90 }
91#endif /* CONFIG_MODEM_SUPPORT */
92
93 return 0;
94}
95
96int dram_init (void)
97{
wdenkd8a555f2002-09-14 19:10:04 +000098 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
99 gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
100
101 return 0;
102}
103
104#ifdef CONFIG_MODEM_SUPPORT
105static int key_pressed(void)
106{
107 int rc;
108 if (1) { /* check for button push here, now just return 1 */
109 rc = 1;
110 }
111
112 return rc;
113}
114#endif /* CONFIG_MODEM_SUPPORT */
Ben Warrenb1c0eaa2009-08-25 13:09:37 -0700115
116#ifdef CONFIG_CMD_NET
117int board_eth_init(bd_t *bis)
118{
119 int rc = 0;
120#ifdef CONFIG_CS8900
121 rc = cs8900_initialize(0, CONFIG_CS8900_BASE);
122#endif
123 return rc;
124}
125#endif