From: Donghwa Lee <dh09.lee@samsung.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 2/8] EXYNOS5: support display system register control
Date: Mon, 02 Jul 2012 20:15:53 +0900 [thread overview]
Message-ID: <4FF182E9.1090404@samsung.com> (raw)
This patch supports display block system regisger control.
Signed-off-by: Donghwa Lee <dh09.lee@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
arch/arm/cpu/armv7/exynos/system.c | 18 ++++++++++++++++++
1 files changed, 18 insertions(+), 0 deletions(-)
diff --git a/arch/arm/cpu/armv7/exynos/system.c b/arch/arm/cpu/armv7/exynos/system.c
index cc6ee03..5a6747a 100644
--- a/arch/arm/cpu/armv7/exynos/system.c
+++ b/arch/arm/cpu/armv7/exynos/system.c
@@ -63,8 +63,26 @@ static void exynos4_set_system_display(void)
writel(cfg, &sysreg->display_ctrl);
}
+static void exynos5_set_system_display(void)
+{
+ struct exynos5_sysreg *sysreg =
+ (struct exynos5_sysreg *)samsung_get_base_sysreg();
+ unsigned int cfg = 0;
+
+ /*
+ * system register path set
+ * 0: MIE/MDNIE
+ * 1: FIMD Bypass
+ */
+ cfg = readl(&sysreg->disp1blk_cfg);
+ cfg |= (1 << 15);
+ writel(cfg, &sysreg->disp1blk_cfg);
+}
+
void set_system_display_ctrl(void)
{
if (cpu_is_exynos4())
exynos4_set_system_display();
+ else
+ exynos5_set_system_display();
}
--
1.7.4.1
reply other threads:[~2012-07-02 11:15 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
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=4FF182E9.1090404@samsung.com \
--to=dh09.lee@samsung.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox