Kconfig: Add a CONFIG_IDE option

[u-boot] / board / freescale / m5253demo / m5253demo.c

diff --git a/board/freescale/m5253demo/m5253demo.c b/board/freescale/m5253demo/m5253demo.c
index 4772074d81fb94e55672804ecd2235c492f5b33d..33183686233505c173d3d733a83a12fb6ff346e2 100644 (file)
--- a/board/freescale/m5253demo/m5253demo.c
+++ b/board/freescale/m5253demo/m5253demo.c
@@ -2,31 +2,18 @@
  * (C) Copyright 2000-2003
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
- * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc.
  * Hayden Fraser (Hayden.Fraser@freescale.com)
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
 #include <asm/immap.h>
 #include <netdev.h>
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
 
 int checkboard(void)
 {
@@ -35,7 +22,7 @@ int checkboard(void)
        return 0;
 };
 
-phys_size_t initdram(int board_type)
+int dram_init(void)
 {
        u32 dramsize = 0;
 
@@ -63,10 +50,12 @@ phys_size_t initdram(int board_type)
                __asm__("nop");
 
                mbar_writeLong(MCFSIM_DACR0, 0x0000322c);
+               mb();
                __asm__("nop");
 
                /* Write to this block to initiate precharge */
                *(u32 *) (CONFIG_SYS_SDRAM_BASE) = 0xa5a5a5a5;
+               mb();
                __asm__("nop");
 
                /* Set RE bit in DACR */
@@ -83,9 +72,12 @@ phys_size_t initdram(int board_type)
                __asm__("nop");
 
                *(u32 *) (CONFIG_SYS_SDRAM_BASE + 0x800) = 0xa5a5a5a5;
+               mb();
        }
 
-       return dramsize;
+       gd->ram_size = dramsize;
+
+       return 0;
 }
 
 int testdram(void)
@@ -96,7 +88,7 @@ int testdram(void)
        return (0);
 }
 
-#ifdef CONFIG_CMD_IDE
+#ifdef CONFIG_IDE
 #include <ata.h>
 int ide_preinit(void)
 {
@@ -105,7 +97,7 @@ int ide_preinit(void)
 
 void ide_set_reset(int idereset)
 {
-       volatile atac_t *ata = (atac_t *) CONFIG_SYS_ATA_BASE_ADDR;
+       atac_t *ata = (atac_t *) CONFIG_SYS_ATA_BASE_ADDR;
        long period;
        /*  t1,  t2,  t3,  t4,  t5,  t6,  t9, tRD,  tA */
        int piotms[5][9] = { {70, 165, 60, 30, 50, 5, 20, 0, 35},       /* PIO 0 */
@@ -116,7 +108,8 @@ void ide_set_reset(int idereset)
        };
 
        if (idereset) {
-               ata->cr = 0;    /* control reset */
+               /* control reset */
+               out_8(&ata->cr, 0);
                udelay(100);
        } else {
                mbar2_writeLong(CIM_MISCCR, CIM_MISCCR_CPUEND);
@@ -125,20 +118,22 @@ void ide_set_reset(int idereset)
                period = 1000000000 / (CONFIG_SYS_CLK / 2);     /* period in ns */
 
                /*ata->ton = CALC_TIMING (180); */
-               ata->t1 = CALC_TIMING(piotms[2][0]);
-               ata->t2w = CALC_TIMING(piotms[2][1]);
-               ata->t2r = CALC_TIMING(piotms[2][1]);
-               ata->ta = CALC_TIMING(piotms[2][8]);
-               ata->trd = CALC_TIMING(piotms[2][7]);
-               ata->t4 = CALC_TIMING(piotms[2][3]);
-               ata->t9 = CALC_TIMING(piotms[2][6]);
-
-               ata->cr = 0x40; /* IORDY enable */
+               out_8(&ata->t1, CALC_TIMING(piotms[2][0]));
+               out_8(&ata->t2w, CALC_TIMING(piotms[2][1]));
+               out_8(&ata->t2r, CALC_TIMING(piotms[2][1]));
+               out_8(&ata->ta, CALC_TIMING(piotms[2][8]));
+               out_8(&ata->trd, CALC_TIMING(piotms[2][7]));
+               out_8(&ata->t4, CALC_TIMING(piotms[2][3]));
+               out_8(&ata->t9, CALC_TIMING(piotms[2][6]));
+
+               /* IORDY enable */
+               out_8(&ata->cr, 0x40);
                udelay(2000);
-               ata->cr |= 0x01;        /* IORDY enable */
+               /* IORDY enable */
+               setbits_8(&ata->cr, 0x01);
        }
 }
-#endif                         /* CONFIG_CMD_IDE */
+#endif                         /* CONFIG_IDE */
 
 
 #ifdef CONFIG_DRIVER_DM9000