3 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
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,
33 #include "../common/common_util.h"
35 /* ------------------------------------------------------------------------- */
39 #if FCLK_SPEED==0 /* Fout = 203MHz, Fin = 12MHz for Audio */
43 #elif FCLK_SPEED==1 /* Fout = 202.8MHz */
61 static inline void delay(unsigned long loops)
63 __asm__ volatile ("1:\n"
65 "bne 1b":"=r" (loops):"0" (loops));
69 * Miscellaneous platform dependent initialisations
74 DECLARE_GLOBAL_DATA_PTR;
75 S3C24X0_CLOCK_POWER * const clk_power = S3C24X0_GetBase_CLOCK_POWER();
76 S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
78 /* to reduce PLL lock time, adjust the LOCKTIME register */
79 clk_power->LOCKTIME = 0xFFFFFF;
82 clk_power->MPLLCON = ((M_MDIV << 12) + (M_PDIV << 4) + M_SDIV);
84 /* some delay between MPLL and UPLL */
88 clk_power->UPLLCON = ((U_M_MDIV << 12) + (U_M_PDIV << 4) + U_M_SDIV);
90 /* some delay between MPLL and UPLL */
93 /* set up the I/O ports */
94 gpio->GPACON = 0x007FFFFF;
95 gpio->GPBCON = 0x002AAAAA;
96 gpio->GPBUP = 0x000002BF;
97 gpio->GPCCON = 0xAAAAAAAA;
98 gpio->GPCUP = 0x0000FFFF;
99 gpio->GPDCON = 0xAAAAAAAA;
100 gpio->GPDUP = 0x0000FFFF;
101 gpio->GPECON = 0xAAAAAAAA;
102 gpio->GPEUP = 0x000037F7;
103 gpio->GPFCON = 0x00000000;
104 gpio->GPFUP = 0x00000000;
105 gpio->GPGCON = 0xFFEAFF5A;
106 gpio->GPGUP = 0x0000F0DC;
107 gpio->GPHCON = 0x0028AAAA;
108 gpio->GPHUP = 0x00000656;
110 /* setup correct IRQ modes for NIC */
111 gpio->EXTINT2 = (gpio->EXTINT2 & ~(7<<8)) | (4<<8); /* rising edge mode */
113 /* select USB port 2 to be host or device (fix to host for now) */
114 gpio->MISCCR |= 0x08;
117 gd->baudrate = CONFIG_BAUDRATE;
118 gd->have_console = 1;
121 /* arch number of VCMA9-Board */
122 gd->bd->bi_arch_number = 227;
124 /* adress of boot parameters */
125 gd->bd->bi_boot_params = 0x30000100;
135 DECLARE_GLOBAL_DATA_PTR;
137 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
138 gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
144 * NAND flash initialization.
146 #if (CONFIG_COMMANDS & CFG_CMD_NAND)
148 nand_probe(ulong physadr);
151 static inline void NF_Reset(void)
156 NF_Cmd(0xFF); /* reset command */
157 for(i = 0; i < 10; i++); /* tWB = 100ns. */
158 NF_WaitRB(); /* wait 200~500us; */
163 static inline void NF_Init(void)
168 NF_Conf((1<<15)|(0<<14)|(0<<13)|(1<<12)|(1<<11)|(TACLS<<8)|(TWRPH0<<4)|(TWRPH1<<0));
169 /*nand->NFCONF = (1<<15)|(1<<14)|(1<<13)|(1<<12)|(1<<11)|(TACLS<<8)|(TWRPH0<<4)|(TWRPH1<<0); */
170 /* 1 1 1 1, 1 xxx, r xxx, r xxx */
171 /* En 512B 4step ECCR nFCE=H tACLS tWRPH0 tWRPH1 */
179 S3C2410_NAND * const nand = S3C2410_GetBase_NAND();
182 printf("NAND flash probing at 0x%.8lX\n", (ulong)nand);
183 nand_probe((ulong)nand);
188 * Get some Board/PLD Info
191 static uchar Get_PLD_ID(void)
193 return(*(volatile uchar *)PLD_ID_REG);
196 static uchar Get_PLD_BOARD(void)
198 return(*(volatile uchar *)PLD_BOARD_REG);
201 static uchar Get_PLD_Version(void)
203 return((Get_PLD_ID() >> 4) & 0x0F);
206 static uchar Get_PLD_Revision(void)
208 return(Get_PLD_ID() & 0x0F);
211 static int Get_Board_Config(void)
213 uchar config = Get_PLD_BOARD() & 0x03;
221 static uchar Get_Board_PCB(void)
223 return(((Get_PLD_BOARD() >> 4) & 0x03) + 'A');
226 /* ------------------------------------------------------------------------- */
229 * Check Board Identity:
236 backup_t *b = (backup_t *) s;
240 i = getenv_r("serial#", s, 32);
241 if ((i < 0) || strncmp (s, "VCMA9", 5)) {
242 get_backup_values (b);
243 if (strncmp (b->signature, "MPL\0", 4) != 0) {
244 puts ("### No HW ID - assuming VCMA9");
246 b->serial_name[5] = 0;
247 printf ("%s-%d PCB Rev %c SN: %s", b->serial_name, Get_Board_Config(),
248 Get_Board_PCB(), &b->serial_name[6]);
252 printf ("%s-%d PCB Rev %c SN: %s", s, Get_Board_Config(), Get_Board_PCB(),
260 void print_vcma9_rev(void)
262 printf("Board: VCMA9-%d PCB Rev: %c (PLD Ver: %d, Rev: %d)\n",
263 Get_Board_Config(), Get_Board_PCB(),
264 Get_PLD_Version(), Get_PLD_Revision());
267 extern void mem_test_reloc(void);
269 int last_stage_init(void)
278 /***************************************************************************
279 * some helping routines
282 int overwrite_console(void)
284 /* return TRUE if console should be overwritten */
289 /************************************************************************
291 ************************************************************************/
292 void print_vcma9_info(void)