LXR uboot/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/arch/hardware.h>
  16#include <asm/arch/spr_defs.h>
  17#include <asm/arch/spr_misc.h>
  18
  19#define PLGPIO_SEL_36   0xb3000028
  20#define PLGPIO_IO_36    0xb3000038
  21
  22static struct nand_chip nand_chip[CONFIG_SYS_MAX_NAND_DEVICE];
  23
  24static void spear_phy_reset(void)
  25{
  26        writel(0x10, PLGPIO_IO_36);
  27        writel(0x10, PLGPIO_SEL_36);
  28}
  29
  30int board_init(void)
  31{
  32        spear_phy_reset();
  33        return spear_board_init(MACH_TYPE_SPEAR320);
  34}
  35
  36/*
  37 * board_nand_init - Board specific NAND initialization
  38 * @nand:       mtd private chip structure
  39 *
  40 * Called by nand_init_chip to initialize the board specific functions
  41 */
  42
  43void board_nand_init()
  44{
  45        struct misc_regs *const misc_regs_p =
  46            (struct misc_regs *)CONFIG_SPEAR_MISCBASE;
  47        struct nand_chip *nand = &nand_chip[0];
  48
  49#if defined(CONFIG_NAND_FSMC)
  50        if (((readl(&misc_regs_p->auto_cfg_reg) & MISC_SOCCFGMSK) ==
  51             MISC_SOCCFG30) ||
  52            ((readl(&misc_regs_p->auto_cfg_reg) & MISC_SOCCFGMSK) ==
  53             MISC_SOCCFG31)) {
  54
  55                fsmc_nand_init(nand);
  56        }
  57#endif
  58
  59        return;
  60}
  61
  62int board_eth_init(bd_t *bis)
  63{
  64        int ret = 0;
  65
  66#if defined(CONFIG_ETH_DESIGNWARE)
  67        u32 interface = PHY_INTERFACE_MODE_MII;
  68        if (designware_initialize(CONFIG_SPEAR_ETHBASE, interface) >= 0)
  69                ret++;
  70#endif
  71#if defined(CONFIG_MACB)
  72        if (macb_eth_initialize(0, (void *)CONFIG_SYS_MACB0_BASE,
  73                                CONFIG_MACB0_PHY) >= 0)
  74                ret++;
  75#endif
  76        return ret;
  77}
  78