From: Dirk Behme <dirk.behme_at_gmail.com>
Date: Thu, 7 Dec 2006 01:14:02 +0000 (-0800)
Subject: ARM: OMAP: Fix CONFIG_DEBUG_LL
X-Git-Tag: v2.6.21-rc3~102^2~7^2~10
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ef772f2ee31e0993dca2d59d9ee27682d39902fa;p=linux-2.6

ARM: OMAP: Fix CONFIG_DEBUG_LL

Fix broken CONFIG_DEBUG_LL. In case of low level debugging
reconfigure some clocks early.

See

http://source.mvista.com/git/gitweb.cgi?p=linux-omap-2.6.git;a=commitdiff;h=3bfb289ccc6c4624fd5ff0381546935e105f4093

too.

Signed-off-by: Dirk Behme <dirk.behme_at_gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---

diff --git a/arch/arm/mach-omap1/clock.c b/arch/arm/mach-omap1/clock.c
index 8aee42c3f5..b67ba34c56 100644
--- a/arch/arm/mach-omap1/clock.c
+++ b/arch/arm/mach-omap1/clock.c
@@ -649,6 +649,13 @@ int __init omap1_clk_init(void)
 	int crystal_type = 0; /* Default 12 MHz */
 	u32 reg;
 
+#ifdef CONFIG_DEBUG_LL
+	/* Resets some clocks that may be left on from bootloader,
+	 * but leaves serial clocks on.
+ 	 */
+	omap_writel(0x3 << 29, MOD_CONF_CTRL_0);
+#endif
+
 	/* USB_REQ_EN will be disabled later if necessary (usb_dc_ck) */
 	reg = omap_readw(SOFT_REQ_REG) & (1 << 4);
 	omap_writew(reg, SOFT_REQ_REG);