3 * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
6 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
7 * Marius Groeger <mgroeger@sysgo.de>
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,
28 #include <asm/arch/pxa-regs.h>
32 DECLARE_GLOBAL_DATA_PTR;
34 /* ------------------------------------------------------------------------- */
37 /* local prototypes */
38 void set_led (int led, int color);
39 void error_code_halt (int code);
40 int init_sio (int led, unsigned long base);
41 inline void cradle_outb (unsigned short val, unsigned long base,
43 inline unsigned char cradle_inb (unsigned long base, unsigned long reg);
44 inline void sleep (int i);
47 /**********************************************************/
49 /**********************************************************/
57 /**********************************************************/
58 error_code_halt (int code)
59 /**********************************************************/
70 /**********************************************************/
71 led_code (int code, int color)
72 /**********************************************************/
76 code &= 0xf; /* only 4 leds */
78 for (i = 0; i < 4; i++) {
79 if (code & (1 << i)) {
88 /**********************************************************/
89 set_led (int led, int color)
90 /**********************************************************/
93 unsigned long mask = 0x3 << shift;
95 CRADLE_LED_CLR_REG = mask; /* clear bits */
96 CRADLE_LED_SET_REG = (color << shift); /* set bits */
101 /**********************************************************/
102 cradle_outb (unsigned short val, unsigned long base, unsigned long reg)
103 /**********************************************************/
105 *(volatile unsigned short *) (base + (reg * 2)) = val;
109 /**********************************************************/
110 cradle_inb (unsigned long base, unsigned long reg)
111 /**********************************************************/
115 val = *(volatile unsigned short *) (base + (reg * 2));
120 /**********************************************************/
121 init_sio (int led, unsigned long base)
122 /**********************************************************/
126 set_led (led, YELLOW);
127 val = cradle_inb (base, CRADLE_SIO_INDEX);
128 val = cradle_inb (base, CRADLE_SIO_INDEX);
134 /* map SCC2 to COM1 */
135 cradle_outb (0x01, base, CRADLE_SIO_INDEX);
136 cradle_outb (0x00, base, CRADLE_SIO_DATA);
138 /* enable SCC2 extended regs */
139 cradle_outb (0x40, base, CRADLE_SIO_INDEX);
140 cradle_outb (0xa0, base, CRADLE_SIO_DATA);
142 /* enable SCC2 clock multiplier */
143 cradle_outb (0x51, base, CRADLE_SIO_INDEX);
144 cradle_outb (0x04, base, CRADLE_SIO_DATA);
147 cradle_outb (0x00, base, CRADLE_SIO_INDEX);
148 cradle_outb (0x04, base, CRADLE_SIO_DATA);
150 /* map SCC2 DMA to channel 0 */
151 cradle_outb (0x4f, base, CRADLE_SIO_INDEX);
152 cradle_outb (0x09, base, CRADLE_SIO_DATA);
154 /* read ID from SIO to check operation */
155 cradle_outb (0xe4, base, 0x3f8 + 0x3);
156 val = cradle_inb (base, 0x3f8 + 0x0);
157 if ((val & 0xf0) != 0x20) {
160 cradle_outb (0, base, CRADLE_SIO_INDEX);
161 cradle_outb (0, base, CRADLE_SIO_DATA);
164 /* set back to bank 0 */
165 cradle_outb (0, base, 0x3f8 + 0x3);
166 set_led (led, GREEN);
171 * Miscelaneous platform dependent initialisations
175 /**********************************************************/
176 board_late_init (void)
177 /**********************************************************/
183 /**********************************************************/
185 /**********************************************************/
187 led_code (0xf, YELLOW);
189 /* arch number of HHP Cradle */
190 gd->bd->bi_arch_number = MACH_TYPE_HHP_CRADLE;
192 /* adress of boot parameters */
193 gd->bd->bi_boot_params = 0xa0000100;
195 /* Init SIOs to enable SCC2 */
196 udelay (100000); /* delay makes it look neat */
197 init_sio (0, CRADLE_SIO1_PHYS);
199 init_sio (1, CRADLE_SIO2_PHYS);
201 init_sio (2, CRADLE_SIO3_PHYS);
209 /**********************************************************/
211 /**********************************************************/
213 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
214 gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
215 gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
216 gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
217 gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
218 gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
219 gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
220 gd->bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE;
222 return (PHYS_SDRAM_1_SIZE +
228 #ifdef CONFIG_CMD_NET
229 int board_eth_init(bd_t *bis)
232 #ifdef CONFIG_SMC91111
233 rc = smc91111_initialize(0, CONFIG_SMC91111_BASE);