board/qt2410/qt2410.c

   1 /*
   2  * (C) 2006 by OpenMoko, Inc.
   3  * Author: Harald Welte <laforge@openmoko.org>
   4  *
   5  * based on existing S3C2410 startup code in u-boot:
   6  *
   7  * (C) Copyright 2002
   8  * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
   9  * Marius Groeger <mgroeger@sysgo.de>
  10  *
  11  * (C) Copyright 2002
  12  * David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
  13  *
  14  * See file CREDITS for list of people who contributed to this
  15  * project.
  16  *
  17  * This program is free software; you can redistribute it and/or
  18  * modify it under the terms of the GNU General Public License as
  19  * published by the Free Software Foundation; either version 2 of
  20  * the License, or (at your option) any later version.
  21  *
  22  * This program is distributed in the hope that it will be useful,
  23  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  24  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  25  * GNU General Public License for more details.
  26  *
  27  * You should have received a copy of the GNU General Public License
  28  * along with this program; if not, write to the Free Software
  29  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  30  * MA 02111-1307 USA
  31  */
  32
  33 #include <common.h>
  34 #include <video_fb.h>
  35 #include <usbdcore.h>
  36 #include <s3c2410.h>
  37
  38 DECLARE_GLOBAL_DATA_PTR;
  39
  40 #if 1
  41 //#define M_MDIV        0xA1            /* Fout = 202.8MHz */
  42 //#define M_PDIV        0x3
  43 //#define M_SDIV        0x1
  44 #define M_MDIV  0x90            /* Fout = 202.8MHz */
  45 #define M_PDIV  0x7
  46 #define M_SDIV  0x0
  47 #else
  48 #define M_MDIV  0x5c            /* Fout = 150.0MHz */
  49 #define M_PDIV  0x4
  50 #define M_SDIV  0x0
  51 #endif
  52
  53 #if 1
  54 #define U_M_MDIV        0x78
  55 #define U_M_PDIV        0x2
  56 #define U_M_SDIV        0x3
  57 #else
  58 #define U_M_MDIV        0x48
  59 #define U_M_PDIV        0x3
  60 #define U_M_SDIV        0x2
  61 #endif
  62
  63 static inline void delay (unsigned long loops)
  64 {
  65         __asm__ volatile ("1:\n"
  66           "subs %0, %1, #1\n"
  67           "bne 1b":"=r" (loops):"0" (loops));
  68 }
  69
  70 /*
  71  * Miscellaneous platform dependent initialisations
  72  */
  73
  74 int board_init (void)
  75 {
  76         S3C24X0_CLOCK_POWER * const clk_power = S3C24X0_GetBase_CLOCK_POWER();
  77         S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
  78
  79         /* to reduce PLL lock time, adjust the LOCKTIME register */
  80         clk_power->LOCKTIME = 0xFFFFFF;
  81
  82         /* configure MPLL */
  83         clk_power->MPLLCON = ((M_MDIV << 12) + (M_PDIV << 4) + M_SDIV);
  84
  85         /* some delay between MPLL and UPLL */
  86         delay (4000);
  87
  88         /* configure UPLL */
  89         clk_power->UPLLCON = ((U_M_MDIV << 12) + (U_M_PDIV << 4) + U_M_SDIV);
  90
  91         /* some delay between MPLL and UPLL */
  92         delay (8000);
  93
  94         /* set up the I/O ports */
  95         gpio->GPACON = 0x007FFFFF;
  96         gpio->GPBCON = 0x00044555;
  97         gpio->GPBUP = 0x000007FF;
  98         gpio->GPCCON = 0xAAAAAAAA;
  99         gpio->GPCUP = 0x0000FFFF;
 100         gpio->GPDCON = 0xAAAAAAAA;
 101         gpio->GPDUP = 0x0000FFFF;
 102         gpio->GPECON = 0xAAAAAAAA;
 103         gpio->GPEUP = 0x0000FFFF;
 104         gpio->GPFCON = 0x000055AA;
 105         gpio->GPFUP = 0x000000FF;
 106         gpio->GPGCON = 0xFF95FFBA;
 107         //gpio->GPGUP = 0x0000FFFF;
 108         gpio->GPGUP = 0x0000AFEF;
 109         gpio->GPHCON = 0x0028FAAA;
 110         gpio->GPHUP = 0x000007FF;
 111
 112         /* arch number of SMDK2410-Board */
 113         gd->bd->bi_arch_number = MACH_TYPE_QT2410;
 114
 115         /* adress of boot parameters */
 116         gd->bd->bi_boot_params = 0x30000100;
 117
 118         icache_enable();
 119         dcache_enable();
 120
 121         return 0;
 122 }
 123
 124 #if defined(CONFIG_USB_DEVICE)
 125 void udc_ctrl(enum usbd_event event, int param)
 126 {
 127 }
 128 #endif
 129
 130 void board_video_init(GraphicDevice *pGD)
 131 {
 132         S3C24X0_LCD * const lcd = S3C24X0_GetBase_LCD();
 133
 134         /* FIXME: select LCM type by env variable */
 135
 136         /* Configuration for GTA01 LCM on QT2410 */
 137         lcd->LCDCON1 = 0x00000178; /* CLKVAL=1, BPPMODE=16bpp, TFT, ENVID=0 */
 138
 139         lcd->LCDCON2 = 0x019fc3c1;
 140         lcd->LCDCON3 = 0x0039df67;
 141         lcd->LCDCON4 = 0x00000007;
 142         lcd->LCDCON5 = 0x0001cf09;
 143         lcd->LPCSEL  = 0x00000000;
 144 }
 145
 146 int dram_init (void)
 147 {
 148         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
 149         gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
 150
 151         return 0;
 152 }
 153
 154 unsigned int dynpart_size[] = {
 155     CFG_UBOOT_SIZE, 0x4000, 0x200000, 0xa0000, 0x3d5c000-CFG_UBOOT_SIZE, 0 };
 156 char *dynpart_names[] = {
 157     "u-boot", "u-boot_env", "kernel", "splash", "rootfs", NULL };
 158