summaryrefslogtreecommitdiff
path: root/arch/arm/plat-omap/include/plat/serial.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/plat-omap/include/plat/serial.h')
-rw-r--r--arch/arm/plat-omap/include/plat/serial.h16
1 files changed, 15 insertions, 1 deletions
diff --git a/arch/arm/plat-omap/include/plat/serial.h b/arch/arm/plat-omap/include/plat/serial.h
index 83dce4c4f7e6..19145f5c32ba 100644
--- a/arch/arm/plat-omap/include/plat/serial.h
+++ b/arch/arm/plat-omap/include/plat/serial.h
@@ -15,6 +15,20 @@
#include <linux/init.h>
+/*
+ * Memory entry used for the DEBUG_LL UART configuration. See also
+ * uncompress.h and debug-macro.S.
+ *
+ * Note that using a memory location for storing the UART configuration
+ * has at least two limitations:
+ *
+ * 1. Kernel uncompress code cannot overlap OMAP_UART_INFO as the
+ * uncompress code could then partially overwrite itself
+ * 2. We assume printascii is called at least once before paging_init,
+ * and addruart has a chance to read OMAP_UART_INFO
+ */
+#define OMAP_UART_INFO (PHYS_OFFSET + 0x3ffc)
+
/* OMAP1 serial ports */
#define OMAP1_UART1_BASE 0xfffb0000
#define OMAP1_UART2_BASE 0xfffb0800
@@ -39,7 +53,7 @@
/* External port on Zoom2/3 */
#define ZOOM_UART_BASE 0x10000000
-#define ZOOM_UART_VIRT 0xfb000000
+#define ZOOM_UART_VIRT 0xfa400000
#define OMAP_PORT_SHIFT 2
#define OMAP7XX_PORT_SHIFT 0