diff options
Diffstat (limited to 'board/freescale/mpc8360erdk/nand.c')
| -rw-r--r-- | board/freescale/mpc8360erdk/nand.c | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/board/freescale/mpc8360erdk/nand.c b/board/freescale/mpc8360erdk/nand.c deleted file mode 100644 index 237c0c42e0..0000000000 --- a/board/freescale/mpc8360erdk/nand.c +++ /dev/null @@ -1,89 +0,0 @@ -/* - * MPC8360E-RDK support for the NAND on FSL UPM - * - * Copyright (C) 2007 MontaVista Software, Inc. - * Anton Vorontsov <avorontsov@ru.mvista.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <config.h> -#include <common.h> -#include <asm/io.h> -#include <asm/immap_83xx.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/fsl_upm.h> -#include <nand.h> - -static struct immap *im = (struct immap *)CONFIG_SYS_IMMR; - -static const u32 upm_array[] = { - 0x0ff03c30, 0x0ff03c30, 0x0ff03c34, 0x0ff33c30, /* Words 0 to 3 */ - 0xfff33c31, 0xfffffc30, 0xfffffc30, 0xfffffc30, /* Words 4 to 7 */ - 0x0faf3c30, 0x0faf3c30, 0x0faf3c30, 0x0fff3c34, /* Words 8 to 11 */ - 0xffff3c31, 0xfffffc30, 0xfffffc30, 0xfffffc30, /* Words 12 to 15 */ - 0x0fa3fc30, 0x0fa3fc30, 0x0fa3fc30, 0x0ff3fc34, /* Words 16 to 19 */ - 0xfff3fc31, 0xfffffc30, 0xfffffc30, 0xfffffc30, /* Words 20 to 23 */ - 0x0ff33c30, 0x0fa33c30, 0x0fa33c34, 0x0ff33c30, /* Words 24 to 27 */ - 0xfff33c31, 0xfff0fc30, 0xfff0fc30, 0xfff0fc30, /* Words 28 to 31 */ - 0xfff3fc30, 0xfff3fc30, 0xfff6fc30, 0xfffcfc30, /* Words 32 to 35 */ - 0xfffcfc30, 0xfffcfc30, 0xfffcfc30, 0xfffcfc30, /* Words 36 to 39 */ - 0xfffcfc30, 0xfffcfc30, 0xfffcfc30, 0xfffcfc30, /* Words 40 to 43 */ - 0xfffdfc30, 0xfffffc30, 0xfffffc30, 0xfffffc31, /* Words 44 to 47 */ - 0xfffffc30, 0xfffffc00, 0xfffffc00, 0xfffffc00, /* Words 48 to 51 */ - 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, /* Words 52 to 55 */ - 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, /* Words 56 to 59 */ - 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, /* Words 60 to 63 */ -}; - -static void upm_setup(struct fsl_upm *upm) -{ - int i; - - /* write upm array */ - out_be32(upm->mxmr, MxMR_OP_WARR); - - for (i = 0; i < 64; i++) { - out_be32(upm->mdr, upm_array[i]); - out_8(upm->io_addr, 0x0); - } - - /* normal operation */ - out_be32(upm->mxmr, MxMR_OP_NORM); - while (in_be32(upm->mxmr) != MxMR_OP_NORM) - eieio(); -} - -static int dev_ready(int chip_nr) -{ - if (in_be32(&im->qepio.ioport[4].pdat) & 0x00002000) { - debug("nand ready\n"); - return 1; - } - - debug("nand busy\n"); - return 0; -} - -static struct fsl_upm_nand fun = { - .upm = { - .io_addr = (void *)CONFIG_SYS_NAND_BASE, - }, - .width = 8, - .upm_cmd_offset = 8, - .upm_addr_offset = 16, - .dev_ready = dev_ready, - .wait_flags = FSL_UPM_WAIT_RUN_PATTERN, - .chip_delay = 50, -}; - -int board_nand_init(struct nand_chip *nand) -{ - fun.upm.mxmr = &im->im_lbc.mamr; - fun.upm.mdr = &im->im_lbc.mdr; - fun.upm.mar = &im->im_lbc.mar; - - upm_setup(&fun.upm); - - return fsl_upm_nand_init(nand, &fun); -} |