3 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
4 * Marius Groeger <mgroeger@sysgo.de>
7 * David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
10 * JinHua Luo, GuangDong Linux Center, <luo.jinhua@gd-linux.com>
12 * See file CREDITS for list of people who contributed to this
15 * This program is free software; you can redistribute it and/or
16 * modify it under the terms of the GNU General Public License as
17 * published by the Free Software Foundation; either version 2 of
18 * the License, or (at your option) any later version.
20 * This program is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
25 * You should have received a copy of the GNU General Public License
26 * along with this program; if not, write to the Free Software
27 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
35 #if defined(CONFIG_CMD_NAND)
36 #include <linux/mtd/nand.h>
39 DECLARE_GLOBAL_DATA_PTR;
43 #if FCLK_SPEED==0 /* Fout = 203MHz, Fin = 12MHz for Audio */
47 #elif FCLK_SPEED==1 /* Fout = 202.8MHz */
65 static inline void delay (unsigned long loops)
67 __asm__ volatile ("1:\n"
69 "bne 1b":"=r" (loops):"0" (loops));
73 * Miscellaneous platform dependent initialisations
78 S3C24X0_CLOCK_POWER * const clk_power = S3C24X0_GetBase_CLOCK_POWER();
79 S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
81 /* to reduce PLL lock time, adjust the LOCKTIME register */
82 clk_power->LOCKTIME = 0xFFFFFF;
85 clk_power->MPLLCON = ((M_MDIV << 12) + (M_PDIV << 4) + M_SDIV);
87 /* some delay between MPLL and UPLL */
91 clk_power->UPLLCON = ((U_M_MDIV << 12) + (U_M_PDIV << 4) + U_M_SDIV);
93 /* some delay between MPLL and UPLL */
96 /* set up the I/O ports */
97 gpio->GPACON = 0x007FFFFF;
98 gpio->GPBCON = 0x00044556;
99 gpio->GPBUP = 0x000007FF;
100 gpio->GPCCON = 0xAAAAAAAA;
101 gpio->GPCUP = 0x0000FFFF;
102 gpio->GPDCON = 0xAAAAAAAA;
103 gpio->GPDUP = 0x0000FFFF;
104 gpio->GPECON = 0xAAAAAAAA;
105 gpio->GPEUP = 0x0000FFFF;
106 gpio->GPFCON = 0x000055AA;
107 gpio->GPFUP = 0x000000FF;
108 gpio->GPGCON = 0xFF95FF3A;
109 gpio->GPGUP = 0x0000FFFF;
110 gpio->GPHCON = 0x0016FAAA;
111 gpio->GPHUP = 0x000007FF;
113 gpio->EXTINT0=0x22222222;
114 gpio->EXTINT1=0x22222222;
115 gpio->EXTINT2=0x22222222;
117 /* arch number of SMDK2410-Board */
118 gd->bd->bi_arch_number = MACH_TYPE_SMDK2410;
120 /* adress of boot parameters */
121 gd->bd->bi_boot_params = 0x30000100;
131 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
132 gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
137 #if defined(CONFIG_CMD_NAND)
138 extern ulong nand_probe(ulong physadr);
140 static inline void NF_Reset(void)
145 NF_Cmd(0xFF); /* reset command */
146 for(i = 0; i < 10; i++); /* tWB = 100ns. */
147 NF_WaitRB(); /* wait 200~500us; */
151 static inline void NF_Init(void)
163 NF_Conf((1<<15)|(0<<14)|(0<<13)|(1<<12)|(1<<11)|(TACLS<<8)|(TWRPH0<<4)|(TWRPH1<<0));
164 /*nand->NFCONF = (1<<15)|(1<<14)|(1<<13)|(1<<12)|(1<<11)|(TACLS<<8)|(TWRPH0<<4)|(TWRPH1<<0); */
165 /* 1 1 1 1, 1 xxx, r xxx, r xxx */
166 /* En 512B 4step ECCR nFCE=H tACLS tWRPH0 tWRPH1 */
173 S3C2410_NAND * const nand = S3C2410_GetBase_NAND();
177 printf("NAND flash probing at 0x%.8lX\n", (ulong)nand);
179 printf ("%4lu MB\n", nand_probe((ulong)nand) >> 20);
183 #ifdef CONFIG_CMD_NET
184 int board_eth_init(bd_t *bis)
188 rc = cs8900_initialize(0, CONFIG_CS8900_BASE);