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 <asm/arch/regs-mmc.h>
  25 #include <asm/arch/pxa.h>
  26 #include <netdev.h>
  27 #include <serial.h>
  28 #include <asm/io.h>
  29
  30 DECLARE_GLOBAL_DATA_PTR;
  31
  32 /*
  33  * Miscelaneous platform dependent initialisations
  34  */
  35 int board_init(void)
  36 {
  37         /* We have RAM, disable cache */
  38         dcache_disable();
  39         icache_disable();
  40
  41         /* memory and cpu-speed are setup before relocation */
  42         /* so we do _nothing_ here */
  43
  44         /* Arch number of vpac270 */
  45         gd->bd->bi_arch_number = MACH_TYPE_VPAC270;
  46
  47         /* adress of boot parameters */
  48         gd->bd->bi_boot_params = 0xa0000100;
  49
  50         return 0;
  51 }
  52
  53 struct serial_device *default_serial_console(void)
  54 {
  55         return &serial_ffuart_device;
  56 }
  57
  58 int dram_init(void)
  59 {
  60 #ifndef CONFIG_ONENAND
  61         pxa2xx_dram_init();
  62 #endif
  63         gd->ram_size = PHYS_SDRAM_1_SIZE;
  64         return 0;
  65 }
  66
  67 void dram_init_banksize(void)
  68 {
  69         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  70         gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
  71
  72 #ifdef  CONFIG_RAM_256M
  73         gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
  74         gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
  75 #endif
  76 }
  77
  78 #ifdef  CONFIG_CMD_MMC
  79 int board_mmc_init(bd_t *bis)
  80 {
  81         pxa_mmc_register(0);
  82         return 0;
  83 }
  84 #endif
  85
  86 #ifdef  CONFIG_CMD_USB
  87 int usb_board_init(void)
  88 {
  89         writel((UHCHR | UHCHR_PCPL | UHCHR_PSPL) &
  90                 ~(UHCHR_SSEP0 | UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSE),
  91                 UHCHR);
  92
  93         writel(readl(UHCHR) | UHCHR_FSBIR, UHCHR);
  94
  95         while (readl(UHCHR) & UHCHR_FSBIR)
  96                 ;
  97
  98         writel(readl(UHCHR) & ~UHCHR_SSE, UHCHR);
  99         writel((UHCHIE_UPRIE | UHCHIE_RWIE), UHCHIE);
 100
 101         /* Clear any OTG Pin Hold */
 102         if (readl(PSSR) & PSSR_OTGPH)
 103                 writel(readl(PSSR) | PSSR_OTGPH, PSSR);
 104
 105         writel(readl(UHCRHDA) & ~(0x200), UHCRHDA);
 106         writel(readl(UHCRHDA) | 0x100, UHCRHDA);
 107
 108         /* Set port power control mask bits, only 3 ports. */
 109         writel(readl(UHCRHDB) | (0x7<<17), UHCRHDB);
 110
 111         /* enable port 2 */
 112         writel(readl(UP2OCR) | UP2OCR_HXOE | UP2OCR_HXS |
 113                 UP2OCR_DMPDE | UP2OCR_DPPDE, UP2OCR);
 114
 115         return 0;
 116 }
 117
 118 void usb_board_init_fail(void)
 119 {
 120         return;
 121 }
 122
 123 void usb_board_stop(void)
 124 {
 125         writel(readl(UHCHR) | UHCHR_FHR, UHCHR);
 126         udelay(11);
 127         writel(readl(UHCHR) & ~UHCHR_FHR, UHCHR);
 128
 129         writel(readl(UHCCOMS) | 1, UHCCOMS);
 130         udelay(10);
 131
 132         writel(readl(CKEN) & ~CKEN10_USBHOST, CKEN);
 133
 134         return;
 135 }
 136 #endif
 137
 138 #ifdef CONFIG_DRIVER_DM9000
 139 int board_eth_init(bd_t *bis)
 140 {
 141         return dm9000_initialize(bis);
 142 }
 143 #endif