From: Andy Green <andy.green@linaro.org>
Date: Wed, 9 Feb 2011 14:44:47 +0000 (+0000)
Subject: xloader: Panda - add led flashing debug code
X-Git-Tag: v1.5.0~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=573fcc4b25833e295e047ae8e86f71a7035dc219;p=pandora-x-loader.git

xloader: Panda - add led flashing debug code

I found this useful during debugging failure of xloader before
serial had come up on Panda.

Signed-off-by: Andy Green <andy.green@linaro.org>
Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
---

diff --git a/board/omap4430panda/omap4430panda.c b/board/omap4430panda/omap4430panda.c
index f26627e..0f95c39 100644
--- a/board/omap4430panda/omap4430panda.c
+++ b/board/omap4430panda/omap4430panda.c
@@ -244,6 +244,24 @@ void reset_phy(unsigned int base)
 							     base + IODFT_TLGC);
 }
 
+/* this flashes the Panda LEDs forever, if called after muxconf */
+
+void spam_leds(void)
+{
+	unsigned int v = __raw_readl(OMAP44XX_GPIO_BASE1 + 0x134);
+
+	/* set both LED gpio to output */
+	__raw_writel((v & ~(0x03 << 7)), OMAP44XX_GPIO_BASE1 + 0x134);
+
+	v = __raw_readl(OMAP44XX_GPIO_BASE1 + 0x13c);
+	while (1) {
+		__raw_writel((v & ~(0x03 << 7)), OMAP44XX_GPIO_BASE1 + 0x13c);
+		big_delay(3000000);
+		__raw_writel((v | (0x03 << 7)), OMAP44XX_GPIO_BASE1 + 0x13c);
+		big_delay(3000000);
+	}
+}
+
 /* TODO: FREQ update method is not working so shadow registers programming
  * is just for same of completeness. This would be safer if auto
  * trasnitions are working
@@ -669,7 +687,6 @@ void s_init(void)
 			sr32(0x4A30a110, 2, 2, 0x3);
 		}
 	}
-
 }
 
 /*******************************************************
@@ -709,6 +726,7 @@ int dram_init(void)
 }
 
 #define	OMAP44XX_WKUP_CTRL_BASE	0x4A31E000
+
 #if 1
 #define M0_SAFE M0
 #define M1_SAFE M1