board/spear/spear320/spear320.c

   1 /*
   2  * (C) Copyright 2009
   3  * Ryan Chen, ST Micoelectronics, ryan.chen@st.com.
   4  * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com.
   5  *
   6  * SPDX-License-Identifier:     GPL-2.0+
   7  */
   8
   9 #include <common.h>
  10 #include <miiphy.h>
  11 #include <netdev.h>
  12 #include <nand.h>
  13 #include <asm/io.h>
  14 #include <linux/mtd/fsmc_nand.h>
  15 #include <asm/mach-types.h>
  16 #include <asm/arch/hardware.h>
  17 #include <asm/arch/spr_defs.h>
  18 #include <asm/arch/spr_misc.h>
  19
  20 #define PLGPIO_SEL_36   0xb3000028
  21 #define PLGPIO_IO_36    0xb3000038
  22
  23 static struct nand_chip nand_chip[CONFIG_SYS_MAX_NAND_DEVICE];
  24
  25 static void spear_phy_reset(void)
  26 {
  27         writel(0x10, PLGPIO_IO_36);
  28         writel(0x10, PLGPIO_SEL_36);
  29 }
  30
  31 int board_init(void)
  32 {
  33         spear_phy_reset();
  34         return spear_board_init(MACH_TYPE_SPEAR320);
  35 }
  36
  37 /*
  38  * board_nand_init - Board specific NAND initialization
  39  * @nand:       mtd private chip structure
  40  *
  41  * Called by nand_init_chip to initialize the board specific functions
  42  */
  43
  44 void board_nand_init()
  45 {
  46         struct misc_regs *const misc_regs_p =
  47             (struct misc_regs *)CONFIG_SPEAR_MISCBASE;
  48         struct nand_chip *nand = &nand_chip[0];
  49
  50 #if defined(CONFIG_NAND_FSMC)
  51         if (((readl(&misc_regs_p->auto_cfg_reg) & MISC_SOCCFGMSK) ==
  52              MISC_SOCCFG30) ||
  53             ((readl(&misc_regs_p->auto_cfg_reg) & MISC_SOCCFGMSK) ==
  54              MISC_SOCCFG31)) {
  55
  56                 fsmc_nand_init(nand);
  57         }
  58 #endif
  59
  60         return;
  61 }
  62
  63 int board_eth_init(bd_t *bis)
  64 {
  65         int ret = 0;
  66
  67 #if defined(CONFIG_ETH_DESIGNWARE)
  68         u32 interface = PHY_INTERFACE_MODE_MII;
  69         if (designware_initialize(CONFIG_SPEAR_ETHBASE, interface) >= 0)
  70                 ret++;
  71 #endif
  72 #if defined(CONFIG_MACB)
  73         if (macb_eth_initialize(0, (void *)CONFIG_SYS_MACB0_BASE,
  74                                 CONFIG_MACB0_PHY) >= 0)
  75                 ret++;
  76 #endif
  77         return ret;
  78 }