X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=board%2Ffreescale%2Fmpc8315erdb%2Fsdram.c;h=947ffabbb5b79b8ddc60498e1755750ec606613f;hb=04735a8fc45ba7c9f5b17d4837a0c649087b29e1;hp=f97e3c78043ed139ae6b6dc0277566c3ee8060ea;hpb=2468592d79891fea4f39d0a414c7316f3af03f4c;p=platform%2Fkernel%2Fu-boot.git

diff --git a/board/freescale/mpc8315erdb/sdram.c b/board/freescale/mpc8315erdb/sdram.c
index f97e3c7..947ffab 100644
--- a/board/freescale/mpc8315erdb/sdram.c
+++ b/board/freescale/mpc8315erdb/sdram.c
@@ -5,23 +5,7 @@
  *          Wilson.Lo@freescale.com
  *          scottwood@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>
@@ -54,44 +38,45 @@ static void resume_from_sleep(void)
  * This is useful for faster booting in configs where the RAM is unlikely
  * to be changed, or for things like NAND booting where space is tight.
  */
+#ifndef CONFIG_SYS_RAMBOOT
 static long fixed_sdram(void)
 {
-	volatile immap_t *im = (volatile immap_t *)CFG_IMMR;
-	u32 msize = CFG_DDR_SIZE * 1024 * 1024;
+	volatile immap_t *im = (volatile immap_t *)CONFIG_SYS_IMMR;
+	u32 msize = CONFIG_SYS_DDR_SIZE * 1024 * 1024;
 	u32 msize_log2 = __ilog2(msize);
 
-	im->sysconf.ddrlaw[0].bar = CFG_DDR_SDRAM_BASE >> 12;
+	im->sysconf.ddrlaw[0].bar = CONFIG_SYS_DDR_SDRAM_BASE  & 0xfffff000;
 	im->sysconf.ddrlaw[0].ar = LBLAWAR_EN | (msize_log2 - 1);
-	im->sysconf.ddrcdr = CFG_DDRCDR_VALUE;
+	im->sysconf.ddrcdr = CONFIG_SYS_DDRCDR_VALUE;
 
 	/*
 	 * Erratum DDR3 requires a 50ms delay after clearing DDRCDR[DDR_cfg],
 	 * or the DDR2 controller may fail to initialize correctly.
 	 */
-	udelay(50000);
+	__udelay(50000);
 
 	im->ddr.csbnds[0].csbnds = (msize - 1) >> 24;
-	im->ddr.cs_config[0] = CFG_DDR_CS0_CONFIG;
+	im->ddr.cs_config[0] = CONFIG_SYS_DDR_CS0_CONFIG;
 
 	/* Currently we use only one CS, so disable the other bank. */
 	im->ddr.cs_config[1] = 0;
 
-	im->ddr.sdram_clk_cntl = CFG_DDR_SDRAM_CLK_CNTL;
-	im->ddr.timing_cfg_3 = CFG_DDR_TIMING_3;
-	im->ddr.timing_cfg_1 = CFG_DDR_TIMING_1;
-	im->ddr.timing_cfg_2 = CFG_DDR_TIMING_2;
-	im->ddr.timing_cfg_0 = CFG_DDR_TIMING_0;
+	im->ddr.sdram_clk_cntl = CONFIG_SYS_DDR_SDRAM_CLK_CNTL;
+	im->ddr.timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
+	im->ddr.timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
+	im->ddr.timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
+	im->ddr.timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
 
 	if (im->pmc.pmccr1 & PMCCR1_POWER_OFF)
-		im->ddr.sdram_cfg = CFG_DDR_SDRAM_CFG | SDRAM_CFG_BI;
+		im->ddr.sdram_cfg = CONFIG_SYS_DDR_SDRAM_CFG | SDRAM_CFG_BI;
 	else
-		im->ddr.sdram_cfg = CFG_DDR_SDRAM_CFG;
+		im->ddr.sdram_cfg = CONFIG_SYS_DDR_SDRAM_CFG;
 
-	im->ddr.sdram_cfg2 = CFG_DDR_SDRAM_CFG2;
-	im->ddr.sdram_mode = CFG_DDR_MODE;
-	im->ddr.sdram_mode2 = CFG_DDR_MODE2;
+	im->ddr.sdram_cfg2 = CONFIG_SYS_DDR_SDRAM_CFG2;
+	im->ddr.sdram_mode = CONFIG_SYS_DDR_MODE;
+	im->ddr.sdram_mode2 = CONFIG_SYS_DDR_MODE2;
 
-	im->ddr.sdram_interval = CFG_DDR_INTERVAL;
+	im->ddr.sdram_interval = CONFIG_SYS_DDR_INTERVAL;
 	sync();
 
 	/* enable DDR controller */
@@ -100,14 +85,20 @@ static long fixed_sdram(void)
 
 	return msize;
 }
+#else
+static long fixed_sdram(void)
+{
+	return CONFIG_SYS_DDR_SIZE * 1024 * 1024;
+}
+#endif /* CONFIG_SYS_RAMBOOT */
 
-long int initdram(int board_type)
+int initdram(void)
 {
-	volatile immap_t *im = (volatile immap_t *)CFG_IMMR;
+	volatile immap_t *im = (volatile immap_t *)CONFIG_SYS_IMMR;
 	u32 msize;
 
 	if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32)im)
-		return -1;
+		return -ENXIO;
 
 	/* DDR SDRAM */
 	msize = fixed_sdram();
@@ -115,6 +106,8 @@ long int initdram(int board_type)
 	if (im->pmc.pmccr1 & PMCCR1_POWER_OFF)
 		resume_from_sleep();
 
-	/* return total bus SDRAM size(bytes)  -- DDR */
-	return msize;
+	/* set total bus SDRAM size(bytes)  -- DDR */
+	gd->ram_size = msize;
+
+	return 0;
 }