From: Andy Green <andy.gr...@linaro.org>
I found this useful during debugging failure of xloader before
serial had come up on Panda.
Cc: Menon Nishanth <menon.nisha...@gmail.com>
Signed-off-by: Andy Green <a...@warmcat.com>
---
board/omap4430panda/omap4430panda.c | 21 +++++++++++++++++++++
1 files changed, 21 insertions(+), 0 deletions(-)
diff --git a/board/omap4430panda/omap4430panda.c
b/board/omap4430panda/omap4430panda.c
index c2fd1f9..b263e50 100644
--- a/board/omap4430panda/omap4430panda.c
+++ b/board/omap4430panda/omap4430panda.c
@@ -714,6 +714,27 @@ int dram_init(void)
return 0;
}
+/* this flashes the Panda LEDs forever, if called after muxconf */
+
+void spam(void)
+{
+ volatile int n;
+ unsigned int v = __raw_readl(O4_GPIO_BASE + 0x134);
+ __raw_writel((v & ~(0x03 << 7)), O4_GPIO_BASE + 0x134);
+
+ v = __raw_readl(O4_GPIO_BASE + 0x13c);
+
+ while (1) {
+ __raw_writel((v & ~(0x03 << 7)), O4_GPIO_BASE + 0x13c);
+ for (n = 0; n< 100000; n++)
+ ;
+
+ __raw_writel((v | (0x03 << 7)), O4_GPIO_BASE + 0x13c);
+ for (n = 0; n< 100000; n++)
+ ;
+ }
+}
+
#define OMAP44XX_WKUP_CTRL_BASE 0x4A31E000
#if 1
#define M0_SAFE M0
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