1 files changed, 78 insertions, 0 deletions
diff --git a/resources/gdb/at91sam9263-ek-sdram.gdb b/resources/gdb/at91sam9263-ek-sdram.gdb
new file mode 100644
index 0000000..b0e139f
--- /dev/null
+++ b/resources/gdb/at91sam9263-ek-sdram.gdb
@@ -0,0 +1,78 @@
+# SDRAM initialization script for the AT91SAM9263
+#------------------------------------------------
+# Configure master clock
+echo Configuring the master clock...\n
+# Enable main oscillator
+set *0xFFFFFC20 = 0x00004001
+while ((*0xFFFFFC68 & 0x1) == 0)
+end
+
+# Set PLLA to 200MHz
+set *0xFFFFFC28 = 0x206DBF09
+while ((*0xFFFFFC68 & 0x2) == 0)
+end
+
+# Set PLLB for USB usage
+set *0xFFFFFC2C = 0x20AF3F0F
+while ((*0xFFFFFC68 & 0x4) == 0)
+end
+
+# Select prescaler
+set *0xFFFFFC30 = 0x00000100
+while ((*0xFFFFFC68 & 0x8) == 0)
+end
+
+# Select master clock
+set *0xFFFFFC30 = 0x00000102
+while ((*0xFFFFFC68 & 0x8) == 0)
+end
+
+echo Master clock ok.\n
+echo Configuring the SDRAM controller...\n
+
+# Configure PIOD as peripheral (D16/D31)
+#    __writeMemory32(0xFFFF0000,0xFFFFF870,"Memory");
+set *0xFFFFF870 = 0xFFFF0000
+#    __writeMemory32(0x00000000,0xFFFFF874,"Memory");
+set *0xFFFFF874 = 0x00000000
+#    __writeMemory32(0xFFFF0000,0xFFFFF804,"Memory");
+set *0xFFFFF804 = 0xFFFF0000
+
+# Enable EBI chip select for the SDRAM
+set *0xFFFFED20 = 0x2
+
+# SDRAM configuration
+set *0xFFFFE208 = 0x85227259
+
+set *0xFFFFE200 = 0x1
+set *0x20000000 = 0
+
+set *0xFFFFE200 = 0x2
+set *0x20000000 = 0
+
+set *0xFFFFE200 = 0x4
+set *0x20000000 = 0
+set *0xFFFFE200 = 0x4
+set *0x20000000 = 0
+set *0xFFFFE200 = 0x4
+set *0x20000000 = 0
+set *0xFFFFE200 = 0x4
+set *0x20000000 = 0
+set *0xFFFFE200 = 0x4
+set *0x20000000 = 0
+set *0xFFFFE200 = 0x4
+set *0x20000000 = 0
+set *0xFFFFE200 = 0x4
+set *0x20000000 = 0
+set *0xFFFFE200 = 0x4
+set *0x20000000 = 0
+
+set *0xFFFFE200 = 0x3
+set *0x20000000 = 0
+
+set *0xFFFFE200 = 0x0
+set *0x20000000 = 0
+
+set *0xFFFFE204 = 0x2B7
+
+echo SDRAM configuration ok.\n