iMX28: Add support for DENX M28EVK board
[oweals/u-boot.git] / board / vpac270 / vpac270.c
1 /*
2  * Voipac PXA270 Support
3  *
4  * Copyright (C) 2010 Marek Vasut <marek.vasut@gmail.com>
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License as
8  * published by the Free Software Foundation; either version 2 of
9  * the License, or (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
19  * MA 02111-1307 USA
20  */
21
22 #include <common.h>
23 #include <asm/arch/hardware.h>
24 #include <netdev.h>
25 #include <serial.h>
26 #include <asm/io.h>
27
28 DECLARE_GLOBAL_DATA_PTR;
29
30 /*
31  * Miscelaneous platform dependent initialisations
32  */
33 int board_init(void)
34 {
35         /* We have RAM, disable cache */
36         dcache_disable();
37         icache_disable();
38
39         /* memory and cpu-speed are setup before relocation */
40         /* so we do _nothing_ here */
41
42         /* Arch number of vpac270 */
43         gd->bd->bi_arch_number = MACH_TYPE_VPAC270;
44
45         /* adress of boot parameters */
46         gd->bd->bi_boot_params = 0xa0000100;
47
48         return 0;
49 }
50
51 struct serial_device *default_serial_console(void)
52 {
53         return &serial_ffuart_device;
54 }
55
56 extern void pxa_dram_init(void);
57 int dram_init(void)
58 {
59         pxa_dram_init();
60         gd->ram_size = PHYS_SDRAM_1_SIZE;
61         return 0;
62 }
63
64 void dram_init_banksize(void)
65 {
66         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
67         gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
68
69 #ifdef  CONFIG_RAM_256M
70         gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
71         gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
72 #endif
73 }
74
75 #ifdef  CONFIG_CMD_USB
76 int usb_board_init(void)
77 {
78         writel((UHCHR | UHCHR_PCPL | UHCHR_PSPL) &
79                 ~(UHCHR_SSEP0 | UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSE),
80                 UHCHR);
81
82         writel(readl(UHCHR) | UHCHR_FSBIR, UHCHR);
83
84         while (readl(UHCHR) & UHCHR_FSBIR)
85                 ;
86
87         writel(readl(UHCHR) & ~UHCHR_SSE, UHCHR);
88         writel((UHCHIE_UPRIE | UHCHIE_RWIE), UHCHIE);
89
90         /* Clear any OTG Pin Hold */
91         if (readl(PSSR) & PSSR_OTGPH)
92                 writel(readl(PSSR) | PSSR_OTGPH, PSSR);
93
94         writel(readl(UHCRHDA) & ~(0x200), UHCRHDA);
95         writel(readl(UHCRHDA) | 0x100, UHCRHDA);
96
97         /* Set port power control mask bits, only 3 ports. */
98         writel(readl(UHCRHDB) | (0x7<<17), UHCRHDB);
99
100         /* enable port 2 */
101         writel(readl(UP2OCR) | UP2OCR_HXOE | UP2OCR_HXS |
102                 UP2OCR_DMPDE | UP2OCR_DPPDE, UP2OCR);
103
104         return 0;
105 }
106
107 void usb_board_init_fail(void)
108 {
109         return;
110 }
111
112 void usb_board_stop(void)
113 {
114         writel(readl(UHCHR) | UHCHR_FHR, UHCHR);
115         udelay(11);
116         writel(readl(UHCHR) & ~UHCHR_FHR, UHCHR);
117
118         writel(readl(UHCCOMS) | 1, UHCCOMS);
119         udelay(10);
120
121         writel(readl(CKEN) & ~CKEN10_USBHOST, CKEN);
122
123         return;
124 }
125 #endif
126
127 #ifdef CONFIG_DRIVER_DM9000
128 int board_eth_init(bd_t *bis)
129 {
130         return dm9000_initialize(bis);
131 }
132 #endif