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 * Texas Instruments, <www.ti.com>
11 * Kshitij Gupta <Kshitij@ti.com>
15 * Philippe Robin, <philippe.robin@arm.com>
17 * See file CREDITS for list of people who contributed to this
20 * This program is free software; you can redistribute it and/or
21 * modify it under the terms of the GNU General Public License as
22 * published by the Free Software Foundation; either version 2 of
23 * the License, or (at your option) any later version.
25 * This program is distributed in the hope that it will be useful,
26 * but WITHOUT ANY WARRANTY; without even the implied warranty of
27 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
28 * GNU General Public License for more details.
30 * You should have received a copy of the GNU General Public License
31 * along with this program; if not, write to the Free Software
32 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
41 DECLARE_GLOBAL_DATA_PTR;
43 void peripheral_power_enable (void);
45 #if defined(CONFIG_SHOW_BOOT_PROGRESS)
46 void show_boot_progress(int progress)
48 printf("Boot reached stage %d\n", progress);
52 #define COMP_MODE_ENABLE ((unsigned int)0x0000EAEF)
55 * Miscellaneous platform dependent initialisations
62 /* arch number of Integrator Board */
63 #ifdef CONFIG_ARCH_CINTEGRATOR
64 gd->bd->bi_arch_number = MACH_TYPE_CINTEGRATOR;
66 gd->bd->bi_arch_number = MACH_TYPE_INTEGRATOR;
69 /* adress of boot parameters */
70 gd->bd->bi_boot_params = 0x00000100;
74 #ifdef CONFIG_CM_REMAP
75 extern void cm_remap(void);
76 cm_remap(); /* remaps writeable memory to 0x00000000 */
80 * The system comes up with the flash memory non-writable and
81 * configuration locked. If we want U-Boot to be used for flash
82 * access we cannot have the flash memory locked.
84 writel(EBI_UNLOCK_MAGIC, EBI_BASE + EBI_LOCK_REG);
85 val = readl(EBI_BASE + EBI_CSR1_REG);
86 val &= EBI_CSR_WREN_MASK;
87 val |= EBI_CSR_WREN_ENABLE;
88 writel(val, EBI_BASE + EBI_CSR1_REG);
89 writel(0, EBI_BASE + EBI_LOCK_REG);
96 int misc_init_r (void)
101 setenv("verify", "n");
106 * The Integrator remaps the Flash memory to 0x00000000 and executes U-Boot
107 * from there, which means we cannot test the RAM underneath the ROM at this
108 * point. It will be unmapped later on, when we are executing from the
109 * relocated in RAM U-Boot. We simply assume that this RAM is usable if the
110 * RAM on higher addresses works fine.
112 #define REMAPPED_FLASH_SZ 0x40000
116 gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
117 #ifdef CONFIG_CM_SPD_DETECT
119 extern void dram_query(void);
123 dram_query(); /* Assembler accesses to CM registers */
124 /* Queries the SPD values */
126 /* Obtain the SDRAM size from the CM SDRAM register */
128 cm_reg_sdram = readl(CM_BASE + OS_SDRAM);
129 /* Register SDRAM size
131 * 0xXXXXXXbbb000bb 16 MB
132 * 0xXXXXXXbbb001bb 32 MB
133 * 0xXXXXXXbbb010bb 64 MB
134 * 0xXXXXXXbbb011bb 128 MB
135 * 0xXXXXXXbbb100bb 256 MB
138 sdram_shift = ((cm_reg_sdram & 0x0000001C)/4)%4;
139 gd->ram_size = get_ram_size((long *) CONFIG_SYS_SDRAM_BASE +
141 0x01000000 << sdram_shift);
144 gd->ram_size = get_ram_size((long *) CONFIG_SYS_SDRAM_BASE +
147 #endif /* CM_SPD_DETECT */
148 /* We only have one bank of RAM, set it to whatever was detected */
149 gd->bd->bi_dram[0].size = gd->ram_size;
154 #ifdef CONFIG_CMD_NET
155 int board_eth_init(bd_t *bis)
158 #ifdef CONFIG_SMC91111
159 rc = smc91111_initialize(0, CONFIG_SMC91111_BASE);
161 rc += pci_eth_init(bis);