xref: /openbmc/u-boot/board/h2200/h2200.c (revision 93322749)
1 /*
2  * iPAQ h2200 board configuration
3  *
4  * Copyright (C) 2012 Lukasz Dalek <luk0104@gmail.com>
5  *
6  * SPDX-License-Identifier:	GPL-2.0+
7  */
8 
9 #include <common.h>
10 #include <asm/arch/pxa.h>
11 #include <asm/arch/pxa-regs.h>
12 #include <asm/io.h>
13 #include <usb.h>
14 
15 DECLARE_GLOBAL_DATA_PTR;
16 
17 int board_eth_init(bd_t *bis)
18 {
19 	usb_eth_initialize(bis);
20 	return 0;
21 }
22 
23 void reset_cpu(ulong ignore)
24 {
25 	/* Enable VLIO interface on Hamcop */
26 	writeb(0x1, 0x4000);
27 
28 	/* Reset board (cold reset) */
29 	writeb(0xff, 0x4002);
30 }
31 
32 int board_init(void)
33 {
34 	/* We have RAM, disable cache */
35 	dcache_disable();
36 	icache_disable();
37 
38 	gd->bd->bi_arch_number = MACH_TYPE_H2200;
39 
40 	/* adress of boot parameters */
41 	gd->bd->bi_boot_params = 0xa0000100;
42 
43 	/* Let host see that device is disconnected */
44 	udc_disconnect();
45 	mdelay(500);
46 
47 	return 0;
48 }
49 
50 int dram_init(void)
51 {
52 	/*
53 	 * Everything except MSC0 was already set up by
54 	 * 1st stage bootloader.
55 	 *
56 	 * This setting enables access to companion chip.
57 	 */
58 	clrsetbits_le32(MSC0, 0xffffffff, CONFIG_SYS_MSC0_VAL);
59 	gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
60 	return 0;
61 }
62