From: Grzegorz Bernacki <gjb@semihalf.com>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] [PATCH] [ads5121] DDR2 init/timing update.
Date: Mon, 21 Jan 2008 15:03:28 +0100 [thread overview]
Message-ID: <4794A630.60103@semihalf.com> (raw)
From Chris Alger's CW bluestone config file.
Signed-off-by: John Rigby <jrigby@freescale.com>
Signed-off-by: Grzegorz Bernacki <gjb@semihalf.com>
---
This patch was created by John Rigby. I tested it and rebased
against current top of the tree.
board/ads5121/ads5121.c | 36 ++++++++++++++++++++++--------------
include/configs/ads5121.h | 10 +++++-----
2 files changed, 27 insertions(+), 19 deletions(-)
diff --git a/board/ads5121/ads5121.c b/board/ads5121/ads5121.c
index 1582c22..b89dca8 100644
--- a/board/ads5121/ads5121.c
+++ b/board/ads5121/ads5121.c
@@ -126,24 +126,24 @@ long int fixed_sdram (void)
im->mddrc.prioman_config2 = CFG_MDDRCGRP_PM_CFG2;
im->mddrc.hiprio_config = CFG_MDDRCGRP_HIPRIO_CFG;
im->mddrc.lut_table0_main_upper = CFG_MDDRCGRP_LUT0_MU;
- im->mddrc.lut_table1_main_upper = CFG_MDDRCGRP_LUT1_MU;
- im->mddrc.lut_table2_main_upper = CFG_MDDRCGRP_LUT2_MU;
- im->mddrc.lut_table3_main_upper = CFG_MDDRCGRP_LUT3_MU;
- im->mddrc.lut_table4_main_upper = CFG_MDDRCGRP_LUT4_MU;
im->mddrc.lut_table0_main_lower = CFG_MDDRCGRP_LUT0_ML;
+ im->mddrc.lut_table1_main_upper = CFG_MDDRCGRP_LUT1_MU;
im->mddrc.lut_table1_main_lower = CFG_MDDRCGRP_LUT1_ML;
+ im->mddrc.lut_table2_main_upper = CFG_MDDRCGRP_LUT2_MU;
im->mddrc.lut_table2_main_lower = CFG_MDDRCGRP_LUT2_ML;
+ im->mddrc.lut_table3_main_upper = CFG_MDDRCGRP_LUT3_MU;
im->mddrc.lut_table3_main_lower = CFG_MDDRCGRP_LUT3_ML;
+ im->mddrc.lut_table4_main_upper = CFG_MDDRCGRP_LUT4_MU;
im->mddrc.lut_table4_main_lower = CFG_MDDRCGRP_LUT4_ML;
im->mddrc.lut_table0_alternate_upper = CFG_MDDRCGRP_LUT0_AU;
- im->mddrc.lut_table1_alternate_upper = CFG_MDDRCGRP_LUT1_AU;
- im->mddrc.lut_table2_alternate_upper = CFG_MDDRCGRP_LUT2_AU;
- im->mddrc.lut_table3_alternate_upper = CFG_MDDRCGRP_LUT3_AU;
- im->mddrc.lut_table4_alternate_upper = CFG_MDDRCGRP_LUT4_AU;
im->mddrc.lut_table0_alternate_lower = CFG_MDDRCGRP_LUT0_AL;
+ im->mddrc.lut_table1_alternate_upper = CFG_MDDRCGRP_LUT1_AU;
im->mddrc.lut_table1_alternate_lower = CFG_MDDRCGRP_LUT1_AL;
+ im->mddrc.lut_table2_alternate_upper = CFG_MDDRCGRP_LUT2_AU;
im->mddrc.lut_table2_alternate_lower = CFG_MDDRCGRP_LUT2_AL;
+ im->mddrc.lut_table3_alternate_upper = CFG_MDDRCGRP_LUT3_AU;
im->mddrc.lut_table3_alternate_lower = CFG_MDDRCGRP_LUT3_AL;
+ im->mddrc.lut_table4_alternate_upper = CFG_MDDRCGRP_LUT4_AU;
im->mddrc.lut_table4_alternate_lower = CFG_MDDRCGRP_LUT4_AL;
/* Initialize MDDRC */
@@ -157,18 +157,26 @@ long int fixed_sdram (void)
im->mddrc.ddr_command = CFG_MICRON_NOP;
im->mddrc.ddr_command = CFG_MICRON_PCHG_ALL;
+ im->mddrc.ddr_command = CFG_MICRON_NOP;
+ im->mddrc.ddr_command = CFG_MICRON_RFSH;
+ im->mddrc.ddr_command = CFG_MICRON_NOP;
+ im->mddrc.ddr_command = CFG_MICRON_RFSH;
+ im->mddrc.ddr_command = CFG_MICRON_NOP;
+ im->mddrc.ddr_command = 0x01000432;
+ im->mddrc.ddr_command = CFG_MICRON_NOP;
+ im->mddrc.ddr_command = CFG_MICRON_EM2;
+ im->mddrc.ddr_command = CFG_MICRON_NOP;
+ im->mddrc.ddr_command = CFG_MICRON_PCHG_ALL;
im->mddrc.ddr_command = CFG_MICRON_EM2;
im->mddrc.ddr_command = CFG_MICRON_EM3;
im->mddrc.ddr_command = CFG_MICRON_EN_DLL;
- im->mddrc.ddr_command = CFG_MICRON_RST_DLL;
+ im->mddrc.ddr_command = 0x01000432;
im->mddrc.ddr_command = CFG_MICRON_PCHG_ALL;
im->mddrc.ddr_command = CFG_MICRON_RFSH;
- im->mddrc.ddr_command = CFG_MICRON_INIT_DEV_OP;
+ im->mddrc.ddr_command = 0x01000432;
im->mddrc.ddr_command = CFG_MICRON_OCD_DEFAULT;
- im->mddrc.ddr_command = CFG_MICRON_OCD_EXIT;
-
- for (i = 0; i < 10; i++)
- im->mddrc.ddr_command = CFG_MICRON_NOP;
+ im->mddrc.ddr_command = CFG_MICRON_PCHG_ALL;
+ im->mddrc.ddr_command = CFG_MICRON_NOP;
/* Start MDDRC */
im->mddrc.ddr_time_config0 = CFG_MDDRC_TIME_CFG0_RUN;
diff --git a/include/configs/ads5121.h b/include/configs/ads5121.h
index ce458ae..d741fc4 100644
--- a/include/configs/ads5121.h
+++ b/include/configs/ads5121.h
@@ -109,11 +109,11 @@
* [04:00] DRAM tRPA
*/
-#define CFG_MDDRC_SYS_CFG 0xF8604200
-#define CFG_MDDRC_SYS_CFG_RUN 0xE8604200
-#define CFG_MDDRC_SYS_CFG_EN 0x30000000
-#define CFG_MDDRC_TIME_CFG0 0x0000281E
-#define CFG_MDDRC_TIME_CFG0_RUN 0x01F4281E
+#define CFG_MDDRC_SYS_CFG 0xF8604A00
+#define CFG_MDDRC_SYS_CFG_RUN 0xE8604A00
+#define CFG_MDDRC_SYS_CFG_EN 0xF0000000
+#define CFG_MDDRC_TIME_CFG0 0x00003D2E
+#define CFG_MDDRC_TIME_CFG0_RUN 0x06183D2E
#define CFG_MDDRC_TIME_CFG1 0x54EC1168
#define CFG_MDDRC_TIME_CFG2 0x35210864
--
1.5.2.2
reply other threads:[~2008-01-21 14:03 UTC|newest]
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