3 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
4 * Marius Groeger <mgroeger@sysgo.de>
7 * David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
9 * See file CREDITS for list of people who contributed to this
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.
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.
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,
30 #include <asm/arch/s3c24x0_cpu.h>
32 DECLARE_GLOBAL_DATA_PTR;
36 #if FCLK_SPEED==0 /* Fout = 203MHz, Fin = 12MHz for Audio */
40 #elif FCLK_SPEED==1 /* Fout = 202.8MHz */
58 static inline void delay (unsigned long loops)
60 __asm__ volatile ("1:\n"
62 "bne 1b":"=r" (loops):"0" (loops));
66 * Miscellaneous platform dependent initialisations
71 struct s3c24x0_clock_power * const clk_power =
72 s3c24x0_get_base_clock_power();
73 struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio();
75 /* to reduce PLL lock time, adjust the LOCKTIME register */
76 clk_power->LOCKTIME = 0xFFFFFF;
79 clk_power->MPLLCON = ((M_MDIV << 12) + (M_PDIV << 4) + M_SDIV);
81 /* some delay between MPLL and UPLL */
85 clk_power->UPLLCON = ((U_M_MDIV << 12) + (U_M_PDIV << 4) + U_M_SDIV);
87 /* some delay between MPLL and UPLL */
90 /* set up the I/O ports */
91 gpio->GPACON = 0x007FFFFF;
92 gpio->GPBCON = 0x00044555;
93 gpio->GPBUP = 0x000007FF;
94 gpio->GPCCON = 0xAAAAAAAA;
95 gpio->GPCUP = 0x0000FFFF;
96 gpio->GPDCON = 0xAAAAAAAA;
97 gpio->GPDUP = 0x0000FFFF;
98 gpio->GPECON = 0xAAAAAAAA;
99 gpio->GPEUP = 0x0000FFFF;
100 gpio->GPFCON = 0x000055AA;
101 gpio->GPFUP = 0x000000FF;
102 gpio->GPGCON = 0xFF95FFBA;
103 gpio->GPGUP = 0x0000FFFF;
104 gpio->GPHCON = 0x002AFAAA;
105 gpio->GPHUP = 0x000007FF;
107 /* arch number of SMDK2410-Board */
108 gd->bd->bi_arch_number = MACH_TYPE_SMDK2410;
110 /* adress of boot parameters */
111 gd->bd->bi_boot_params = 0x30000100;
121 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
122 gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
127 #ifdef CONFIG_CMD_NET
128 int board_eth_init(bd_t *bis)
132 rc = cs8900_initialize(0, CONFIG_CS8900_BASE);