* [U-Boot] [PATCH] am335x: Update timings for the beaglebone again
@ 2013-04-10 15:16 Tom Rini
2013-04-10 20:09 ` Tom Rini
0 siblings, 1 reply; 2+ messages in thread
From: Tom Rini @ 2013-04-10 15:16 UTC (permalink / raw)
To: u-boot
After further testing we can run DDR at 400MHz so update the timings
again.
Tested-by: Koen Kooi <koen@dominion.thruhere.net>
Signed-off-by: Tom Rini <trini@ti.com>
---
arch/arm/include/asm/arch-am33xx/ddr_defs.h | 20 ++++++++++----------
board/ti/am335x/board.c | 2 +-
2 files changed, 11 insertions(+), 11 deletions(-)
diff --git a/arch/arm/include/asm/arch-am33xx/ddr_defs.h b/arch/arm/include/asm/arch-am33xx/ddr_defs.h
index 260cc34..914df01 100644
--- a/arch/arm/include/asm/arch-am33xx/ddr_defs.h
+++ b/arch/arm/include/asm/arch-am33xx/ddr_defs.h
@@ -84,19 +84,19 @@
#define MT41J256M8HX15E_IOCTRL_VALUE 0x18B
/* Micron MT41K256M16HA-125E */
-#define MT41K256M16HA125E_EMIF_READ_LATENCY 0x100006
-#define MT41K256M16HA125E_EMIF_TIM1 0x0888A39B
-#define MT41K256M16HA125E_EMIF_TIM2 0x26517FDA
-#define MT41K256M16HA125E_EMIF_TIM3 0x501F84EF
-#define MT41K256M16HA125E_EMIF_SDCFG 0x61C04BB2
-#define MT41K256M16HA125E_EMIF_SDREF 0x0000093B
+#define MT41K256M16HA125E_EMIF_READ_LATENCY 0x100007
+#define MT41K256M16HA125E_EMIF_TIM1 0x0AAAD4DB
+#define MT41K256M16HA125E_EMIF_TIM2 0x26437FDA
+#define MT41K256M16HA125E_EMIF_TIM3 0x501F83FF
+#define MT41K256M16HA125E_EMIF_SDCFG 0x61C052B2
+#define MT41K256M16HA125E_EMIF_SDREF 0xC30
#define MT41K256M16HA125E_ZQ_CFG 0x50074BE4
#define MT41K256M16HA125E_DLL_LOCK_DIFF 0x1
-#define MT41K256M16HA125E_RATIO 0x40
+#define MT41K256M16HA125E_RATIO 0x80
#define MT41K256M16HA125E_INVERT_CLKOUT 0x0
-#define MT41K256M16HA125E_RD_DQS 0x3C
-#define MT41K256M16HA125E_WR_DQS 0x45
-#define MT41K256M16HA125E_PHY_WR_DATA 0x7F
+#define MT41K256M16HA125E_RD_DQS 0x3A
+#define MT41K256M16HA125E_WR_DQS 0x42
+#define MT41K256M16HA125E_PHY_WR_DATA 0x7E
#define MT41K256M16HA125E_PHY_FIFO_WE 0x9B
#define MT41K256M16HA125E_IOCTRL_VALUE 0x18B
diff --git a/board/ti/am335x/board.c b/board/ti/am335x/board.c
index 12620bb..b371376 100644
--- a/board/ti/am335x/board.c
+++ b/board/ti/am335x/board.c
@@ -379,7 +379,7 @@ void s_init(void)
config_ddr(303, MT41J128MJT125_IOCTRL_VALUE, &ddr3_data,
&ddr3_cmd_ctrl_data, &ddr3_emif_reg_data, 0);
else if (board_is_bone_lt())
- config_ddr(303, MT41K256M16HA125E_IOCTRL_VALUE,
+ config_ddr(400, MT41K256M16HA125E_IOCTRL_VALUE,
&ddr3_beagleblack_data,
&ddr3_beagleblack_cmd_ctrl_data,
&ddr3_beagleblack_emif_reg_data, 0);
--
1.7.9.5
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [U-Boot] [PATCH] am335x: Update timings for the beaglebone again
2013-04-10 15:16 [U-Boot] [PATCH] am335x: Update timings for the beaglebone again Tom Rini
@ 2013-04-10 20:09 ` Tom Rini
0 siblings, 0 replies; 2+ messages in thread
From: Tom Rini @ 2013-04-10 20:09 UTC (permalink / raw)
To: u-boot
On Wed, Apr 10, 2013 at 11:16:54AM -0400, Tom Rini wrote:
> After further testing we can run DDR at 400MHz so update the timings
> again.
>
> Tested-by: Koen Kooi <koen@dominion.thruhere.net>
> Signed-off-by: Tom Rini <trini@ti.com>
Applied to u-boot-ti/master, thanks!
--
Tom
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 836 bytes
Desc: Digital signature
URL: <http://lists.denx.de/pipermail/u-boot/attachments/20130410/36724f6e/attachment.pgp>
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2013-04-10 20:09 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2013-04-10 15:16 [U-Boot] [PATCH] am335x: Update timings for the beaglebone again Tom Rini
2013-04-10 20:09 ` Tom Rini
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.