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