board/davinci/dm6467evm/dm6467evm.c

   1 /*
   2  * Copyright (C) 2009 Texas Instruments Incorporated
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <netdev.h>
   9 #include <asm/io.h>
  10 #include <nand.h>
  11 #include <asm/arch/nand_defs.h>
  12
  13 DECLARE_GLOBAL_DATA_PTR;
  14
  15 #define REV_DM6467EVM           0
  16 #define REV_DM6467TEVM          1
  17 /*
  18  * get_board_rev() - setup to pass kernel board revision information
  19  * Returns:
  20  * bit[0-3]     System clock frequency
  21  * 0000b        - 27 MHz
  22  * 0001b        - 33 MHz
  23  */
  24 u32 get_board_rev(void)
  25 {
  26
  27 #ifdef CONFIG_DAVINCI_DM6467TEVM
  28         return REV_DM6467TEVM;
  29 #else
  30         return REV_DM6467EVM;
  31 #endif
  32
  33 }
  34
  35 int board_init(void)
  36 {
  37         gd->bd->bi_arch_number = MACH_TYPE_DAVINCI_DM6467_EVM;
  38         gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
  39
  40         lpsc_on(DAVINCI_DM646X_LPSC_TIMER0);
  41         lpsc_on(DAVINCI_DM646X_LPSC_UART0);
  42         lpsc_on(DAVINCI_DM646X_LPSC_I2C);
  43         lpsc_on(DAVINCI_DM646X_LPSC_EMAC);
  44
  45         /* Enable GIO3.3V cells used for EMAC */
  46         REG(VDD3P3V_PWDN) = 0x80000c0;
  47
  48         /* Select UART function on UART0 */
  49         REG(PINMUX0) &= ~(0x0000003f << 18);
  50         REG(PINMUX1) &= ~(0x00000003);
  51
  52         return 0;
  53 }
  54
  55 #if defined(CONFIG_DRIVER_TI_EMAC)
  56
  57 int board_eth_init(bd_t *bis)
  58 {
  59         if (!davinci_emac_initialize()) {
  60                 printf("Error: Ethernet init failed!\n");
  61                 return -1;
  62         }
  63
  64         return 0;
  65 }
  66 #endif /* CONFIG_DRIVER_TI_EMAC */
  67
  68 #ifdef CONFIG_NAND_DAVINCI
  69 int board_nand_init(struct nand_chip *nand)
  70 {
  71         davinci_nand_init(nand);
  72
  73         return 0;
  74 }
  75 #endif