new app to test the ram

[debian/gnuradio] / usrp2 / firmware / lib / memory_map.h

diff --git a/usrp2/firmware/lib/memory_map.h b/usrp2/firmware/lib/memory_map.h
index 88efcb9ac1aebd6df1a2ba67d7dd5790ab818445..106724742bce3cffe3d6560205bff93265d45ca9 100644 (file)
--- a/usrp2/firmware/lib/memory_map.h
+++ b/usrp2/firmware/lib/memory_map.h
@@ -353,6 +353,7 @@ typedef struct {
   volatile uint32_t    leds;
   volatile uint32_t    phy_ctrl;       // LSB is reset line to eth phy
   volatile uint32_t    debug_mux_ctrl;
+  volatile uint32_t     ram_page;       // FIXME should go somewhere else...
 } output_regs_t;
 
 #define SERDES_ENABLE 8
@@ -577,6 +578,15 @@ typedef struct {
 
 #define sdspi_regs ((sdspi_regs_t *) SDSPI_BASE)
 
+///////////////////////////////////////////////////
+// External RAM interface, Slave 14
+//   Pages are 1K.  Page is 10 bits, set by a control register
+//    output_regs->ram_page
+
+#define EXTRAM_BASE 0xF000
+#define extram ((volatile uint32_t *) EXTRAM_BASE)
+
+
 ///////////////////////////////////////////////////
 
 #endif