SPDX: Convert all of our single license tags to Linux Kernel style

[oweals/u-boot.git] / board / freescale / m547xevb / m547xevb.c

diff --git a/board/freescale/m547xevb/m547xevb.c b/board/freescale/m547xevb/m547xevb.c
index 9f1ec3854c098f69f66c03133329f1dc4a3b26c0..9e1aa99bbcf7618049c7922253fb343ac73f33a6 100644 (file)
--- a/board/freescale/m547xevb/m547xevb.c
+++ b/board/freescale/m547xevb/m547xevb.c
@@ -1,33 +1,17 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (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.
  * TsiChung Liew (Tsi-Chung.Liew@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
  */
 
 #include <config.h>
 #include <common.h>
 #include <pci.h>
 #include <asm/immap.h>
+#include <asm/io.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -38,16 +22,16 @@ int checkboard(void)
        return 0;
 };
 
-phys_size_t initdram(int board_type)
+int dram_init(void)
 {
-       volatile siu_t *siu = (siu_t *) (MMAP_SIU);
-       volatile sdram_t *sdram = (volatile sdram_t *)(MMAP_SDRAM);
+       siu_t *siu = (siu_t *) (MMAP_SIU);
+       sdram_t *sdram = (sdram_t *)(MMAP_SDRAM);
        u32 dramsize, i;
 #ifdef CONFIG_SYS_DRAMSZ1
        u32 temp;
 #endif
 
-       siu->drv = CONFIG_SYS_SDRAM_DRVSTRENGTH;
+       out_be32(&siu->drv, CONFIG_SYS_SDRAM_DRVSTRENGTH);
 
        dramsize = CONFIG_SYS_DRAMSZ * 0x100000;
        for (i = 0x13; i < 0x20; i++) {
@@ -55,7 +39,7 @@ phys_size_t initdram(int board_type)
                        break;
        }
        i--;
-       siu->cs0cfg = (CONFIG_SYS_SDRAM_BASE | i);
+       out_be32(&siu->cs0cfg, CONFIG_SYS_SDRAM_BASE | i);
 
 #ifdef CONFIG_SYS_DRAMSZ1
        temp = CONFIG_SYS_DRAMSZ1 * 0x100000;
@@ -65,35 +49,38 @@ phys_size_t initdram(int board_type)
        }
        i--;
        dramsize += temp;
-       siu->cs1cfg = ((CONFIG_SYS_SDRAM_BASE + temp) | i);
+       out_be32(&siu->cs1cfg, (CONFIG_SYS_SDRAM_BASE + temp) | i);
 #endif
 
-       sdram->cfg1 = CONFIG_SYS_SDRAM_CFG1;
-       sdram->cfg2 = CONFIG_SYS_SDRAM_CFG2;
+       out_be32(&sdram->cfg1, CONFIG_SYS_SDRAM_CFG1);
+       out_be32(&sdram->cfg2, CONFIG_SYS_SDRAM_CFG2);
 
        /* Issue PALL */
-       sdram->ctrl = CONFIG_SYS_SDRAM_CTRL | 2;
+       out_be32(&sdram->ctrl, CONFIG_SYS_SDRAM_CTRL | 2);
 
        /* Issue LEMR */
-       sdram->mode = CONFIG_SYS_SDRAM_EMOD;
-       sdram->mode = (CONFIG_SYS_SDRAM_MODE | 0x04000000);
+       out_be32(&sdram->mode, CONFIG_SYS_SDRAM_EMOD);
+       out_be32(&sdram->mode, CONFIG_SYS_SDRAM_MODE | 0x04000000);
 
        udelay(500);
 
        /* Issue PALL */
-       sdram->ctrl = (CONFIG_SYS_SDRAM_CTRL | 2);
+       out_be32(&sdram->ctrl, CONFIG_SYS_SDRAM_CTRL | 2);
 
        /* Perform two refresh cycles */
-       sdram->ctrl = CONFIG_SYS_SDRAM_CTRL | 4;
-       sdram->ctrl = CONFIG_SYS_SDRAM_CTRL | 4;
+       out_be32(&sdram->ctrl, CONFIG_SYS_SDRAM_CTRL | 4);
+       out_be32(&sdram->ctrl, CONFIG_SYS_SDRAM_CTRL | 4);
 
-       sdram->mode = CONFIG_SYS_SDRAM_MODE;
+       out_be32(&sdram->mode, CONFIG_SYS_SDRAM_MODE);
 
-       sdram->ctrl = (CONFIG_SYS_SDRAM_CTRL & ~0x80000000) | 0x10000F00;
+       out_be32(&sdram->ctrl,
+               (CONFIG_SYS_SDRAM_CTRL & ~0x80000000) | 0x10000F00);
 
        udelay(100);
 
-       return dramsize;
+       gd->ram_size = dramsize;
+
+       return 0;
 };
 
 int testdram(void)