board/davedenx/aria/aria.c

   1 /*
   2  * (C) Copyright 2009 Wolfgang Denk <wd@denx.de>
   3  * (C) Copyright 2009 Dave Srl www.dave.eu
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  *
  23  */
  24
  25 #include <common.h>
  26 #include <asm/bitops.h>
  27 #include <command.h>
  28 #include <asm/io.h>
  29 #include <asm/processor.h>
  30 #include <asm/mpc512x.h>
  31 #include <fdt_support.h>
  32 #ifdef CONFIG_MISC_INIT_R
  33 #include <i2c.h>
  34 #endif
  35
  36 DECLARE_GLOBAL_DATA_PTR;
  37
  38 phys_size_t initdram (int board_type)
  39 {
  40         return fixed_sdram(NULL, NULL, 0);
  41 }
  42
  43 int misc_init_r(void)
  44 {
  45         u32 tmp;
  46
  47         /* we use I2C-2 for on-board eeprom */
  48         i2c_set_bus_num(2);
  49
  50         tmp = in_be32((u32*)CONFIG_SYS_ARIA_FPGA_BASE);
  51         printf("FPGA:  %u-%u.%u.%u\n",
  52                 (tmp & 0xFF000000) >> 24,
  53                 (tmp & 0x00FF0000) >> 16,
  54                 (tmp & 0x0000FF00) >>  8,
  55                  tmp & 0x000000FF
  56         );
  57
  58         return 0;
  59 }
  60
  61 static  iopin_t ioregs_init[] = {
  62         /*
  63          * FEC
  64          */
  65
  66         /* FEC on PSCx_x*/
  67         {
  68                 offsetof(struct ioctrl512x, io_control_psc0_0), 5, 0,
  69                 IO_PIN_FMUX(1) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
  70                 IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3)
  71         },
  72         {
  73                 offsetof(struct ioctrl512x, io_control_psc1_0), 10, 0,
  74                 IO_PIN_FMUX(1) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
  75                 IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3)
  76         },
  77         {
  78                 offsetof(struct ioctrl512x, io_control_spdif_txclk), 3, 0,
  79                 IO_PIN_FMUX(1) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
  80                 IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3)
  81         },
  82
  83         /*
  84          * DIU
  85          */
  86         /* FUNC2=DIU CLK */
  87         {
  88                 offsetof(struct ioctrl512x, io_control_psc6_0), 1, 0,
  89                 IO_PIN_FMUX(2) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
  90                 IO_PIN_PUE(0) | IO_PIN_ST(1) | IO_PIN_DS(3)
  91         },
  92         /* FUNC2=DIU_HSYNC */
  93         {
  94                 offsetof(struct ioctrl512x, io_control_psc6_1), 1, 0,
  95                 IO_PIN_FMUX(2) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
  96                 IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3)
  97         },
  98         /* FUNC2=DIUVSYNC Sets Next 26 to DIU Pads */
  99         {
 100                 offsetof(struct ioctrl512x, io_control_psc6_4), 26, 0,
 101                 IO_PIN_FMUX(2) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
 102                 IO_PIN_PUE(0) | IO_PIN_ST(0) | IO_PIN_DS(3)
 103         },
 104         /*
 105          * On board SRAM
 106          */
 107         /* FUNC2=/LPC CS6 */
 108         {
 109                 offsetof(struct ioctrl512x, io_control_j1850_rx), 1, 0,
 110                 IO_PIN_FMUX(2) | IO_PIN_HOLD(0) | IO_PIN_PUD(0) |
 111                 IO_PIN_PUE(1) | IO_PIN_ST(1) | IO_PIN_DS(3)
 112         },
 113 };
 114
 115 int checkboard (void)
 116 {
 117         puts("Board: ARIA\n");
 118
 119         /* initialize function mux & slew rate IO inter alia on IO Pins  */
 120
 121         iopin_initialize(ioregs_init, ARRAY_SIZE(ioregs_init));
 122
 123         return 0;
 124 }
 125
 126 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
 127 void ft_board_setup(void *blob, bd_t *bd)
 128 {
 129         ft_cpu_setup(blob, bd);
 130 }
 131 #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */