spear320.c 1.8 KB

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  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. * See file CREDITS for list of people who contributed to this
  7. * project.
  8. *
  9. * This program is free software; you can redistribute it and/or
  10. * modify it under the terms of the GNU General Public License as
  11. * published by the Free Software Foundation; either version 2 of
  12. * the License, or (at your option) any later version.
  13. *
  14. * This program is distributed in the hope that it will be useful,
  15. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17. * GNU General Public License for more details.
  18. *
  19. * You should have received a copy of the GNU General Public License
  20. * along with this program; if not, write to the Free Software
  21. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  22. * MA 02111-1307 USA
  23. */
  24. #include <common.h>
  25. #include <nand.h>
  26. #include <asm/io.h>
  27. #include <linux/mtd/fsmc_nand.h>
  28. #include <asm/arch/hardware.h>
  29. #include <asm/arch/spr_defs.h>
  30. #include <asm/arch/spr_misc.h>
  31. static struct nand_chip nand_chip[CONFIG_SYS_MAX_NAND_DEVICE];
  32. int board_init(void)
  33. {
  34. return spear_board_init(MACH_TYPE_SPEAR320);
  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. void board_nand_init()
  43. {
  44. struct misc_regs *const misc_regs_p =
  45. (struct misc_regs *)CONFIG_SPEAR_MISCBASE;
  46. struct nand_chip *nand = &nand_chip[0];
  47. #if defined(CONFIG_NAND_FSMC)
  48. if (((readl(&misc_regs_p->auto_cfg_reg) & MISC_SOCCFGMSK) ==
  49. MISC_SOCCFG30) ||
  50. ((readl(&misc_regs_p->auto_cfg_reg) & MISC_SOCCFGMSK) ==
  51. MISC_SOCCFG31)) {
  52. fsmc_nand_init(nand);
  53. }
  54. #endif
  55. return;
  56. }