package/boot/uboot-xburst/files/board/sakc/sakc.c

   1 /*
   2  * Authors: Xiangfu Liu <xiangfu.z@gmail.com>
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * as published by the Free Software Foundation; either version
   7  * 3 of the License, or (at your option) any later version.
   8  */
   9
  10 #include <common.h>
  11 #include <command.h>
  12 #include <asm/mipsregs.h>
  13 #include <asm/jz4740.h>
  14
  15 DECLARE_GLOBAL_DATA_PTR;
  16
  17 static void gpio_init(void)
  18 {
  19         /*
  20          * Initialize NAND Flash Pins
  21          */
  22         __gpio_as_nand();
  23
  24         /*
  25          * Initialize SDRAM pins
  26          */
  27         __gpio_as_sdram_16bit_4725();
  28
  29         /*
  30          * Initialize UART0 pins
  31          */
  32         __gpio_as_uart0();
  33
  34         /*
  35          * Initialize LCD pins
  36          */
  37         __gpio_as_lcd_18bit();
  38
  39         /*
  40          * Initialize MSC pins
  41          */
  42         __gpio_as_msc();
  43
  44         /*
  45          * Initialize SSI pins
  46          */
  47         __gpio_as_ssi();
  48
  49         /*
  50          * Initialize I2C pins
  51          */
  52         __gpio_as_i2c();
  53
  54         /*
  55          * Initialize MSC pins
  56          */
  57         __gpio_as_msc();
  58
  59         /*
  60          * Initialize Other pins
  61          */
  62         __gpio_as_input(GPIO_SD_DETECT);
  63         __gpio_disable_pull(GPIO_SD_DETECT);
  64 }
  65 /* TODO SAKC
  66 static void cpm_init(void)
  67 {
  68         __cpm_stop_ipu();
  69         __cpm_stop_cim();
  70         __cpm_stop_i2c();
  71         __cpm_stop_ssi();
  72         __cpm_stop_uart1();
  73         __cpm_stop_sadc();
  74         __cpm_stop_uhc();
  75         __cpm_stop_aic1();
  76         __cpm_stop_aic2();
  77 }*/
  78
  79 void board_early_init(void)
  80 {
  81         gpio_init();
  82         //cpm_init(); //TODO SAKC
  83 }
  84
  85 /* U-Boot common routines */
  86
  87 int checkboard (void)
  88 {
  89
  90         printf("Board: SAKC (Ingenic XBurst Jz4725 SoC, Speed %d MHz)\n",
  91                gd->cpu_clk/1000000);
  92
  93         return 0; /* success */
  94 }