From: Fabio Estevam <festevam@gmail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] mx23: Put back RAM voltage level to its original value
Date: Fri, 26 Apr 2013 13:01:26 -0300 [thread overview]
Message-ID: <1366992090-4331-1-git-send-email-festevam@gmail.com> (raw)
From: Fabio Estevam <fabio.estevam@freescale.com>
commit 5c2f444c9 (mxs: Reset the EMI block on mx23) changed the DDR voltage
level, which causes mx23evk to fail to load a kernel.
Put back the original values, so that mx23evk can boot a kernel again.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
---
arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c b/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c
index bc2d69c..4950490 100644
--- a/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c
+++ b/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c
@@ -234,7 +234,7 @@ static void mx23_mem_setup_vddmem(void)
struct mxs_power_regs *power_regs =
(struct mxs_power_regs *)MXS_POWER_BASE;
- writel((0x10 << POWER_VDDMEMCTRL_TRG_OFFSET) |
+ writel((0x12 << POWER_VDDMEMCTRL_TRG_OFFSET) |
POWER_VDDMEMCTRL_ENABLE_ILIMIT |
POWER_VDDMEMCTRL_ENABLE_LINREG |
POWER_VDDMEMCTRL_PULLDOWN_ACTIVE,
@@ -242,7 +242,7 @@ static void mx23_mem_setup_vddmem(void)
early_delay(10000);
- writel((0x10 << POWER_VDDMEMCTRL_TRG_OFFSET) |
+ writel((0x12 << POWER_VDDMEMCTRL_TRG_OFFSET) |
POWER_VDDMEMCTRL_ENABLE_LINREG,
&power_regs->hw_power_vddmemctrl);
}
--
1.7.9.5
next reply other threads:[~2013-04-26 16:01 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-26 16:01 Fabio Estevam [this message]
2013-04-26 16:20 ` [U-Boot] [PATCH] mx23: Put back RAM voltage level to its original value Marek Vasut
2013-04-26 17:14 ` Fabio Estevam
2013-04-26 18:21 ` Marek Vasut
2013-04-26 21:08 ` Fabio Estevam
2013-04-26 21:11 ` Marek Vasut
2013-04-26 16:24 ` Eric Bénard
2013-04-26 17:17 ` Fabio Estevam
2013-04-26 18:16 ` Marek Vasut
2013-04-26 19:42 ` Eric Bénard
2013-04-26 20:08 ` Fabio Estevam
2013-04-26 20:13 ` Otavio Salvador
2013-04-26 20:58 ` Marek Vasut
2013-04-26 23:01 ` Otavio Salvador
2013-04-26 23:33 ` Marek Vasut
2013-04-27 11:09 ` Stefano Babic
2013-04-27 11:34 ` Marek Vasut
2013-04-27 17:28 ` Fabio Estevam
2013-04-27 17:53 ` Otavio Salvador
2013-04-27 18:39 ` Marek Vasut
2013-04-26 20:56 ` Marek Vasut
2013-04-26 21:10 ` Fabio Estevam
2013-04-26 21:14 ` Marek Vasut
2013-04-26 20:58 ` Fabio Estevam
2013-04-26 21:07 ` Marek Vasut
2013-04-26 18:14 ` Robert Nelson
2013-04-28 9:06 ` Stefano Babic
2013-04-28 23:06 ` Marek Vasut
2013-04-28 23:19 ` Marek Vasut
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1366992090-4331-1-git-send-email-festevam@gmail.com \
--to=festevam@gmail.com \
--cc=u-boot@lists.denx.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
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.