1 files changed, 65 insertions, 0 deletions
diff --git a/resources/gdb/at91sam9rl-ek-sdram.gdb b/resources/gdb/at91sam9rl-ek-sdram.gdb
new file mode 100644
index 0000000..b80fb7f
--- /dev/null
+++ b/resources/gdb/at91sam9rl-ek-sdram.gdb
@@ -0,0 +1,65 @@
+# SDRAM initialization script for the AT91SAM9RL
+#------------------------------------------------
+# Configure master clock
+echo Configuring the master clock...\n
+# Enable main oscillator
+set *0xFFFFFC20 = 0x00004001
+while ((*0xFFFFFC68 & 0x1) == 0)
+end
+
+# Set PLL to 200MHz
+set *0xFFFFFC28 = 0x2031BF03
+while ((*0xFFFFFC68 & 0x2) == 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
+
+# Enable EBI chip select for the SDRAM
+set *0xFFFFEF20 = 0x2
+
+# SDRAM configuration
+set *0xFFFFEA08 = 0x85227259
+
+set *0xFFFFEA00 = 0x1
+set *0x20000000 = 0
+
+set *0xFFFFEA00 = 0x2
+set *0x20000000 = 0
+
+set *0xFFFFEA00 = 0x4
+set *0x20000000 = 0
+set *0xFFFFEA00 = 0x4
+set *0x20000000 = 0
+set *0xFFFFEA00 = 0x4
+set *0x20000000 = 0
+set *0xFFFFEA00 = 0x4
+set *0x20000000 = 0
+set *0xFFFFEA00 = 0x4
+set *0x20000000 = 0
+set *0xFFFFEA00 = 0x4
+set *0x20000000 = 0
+set *0xFFFFEA00 = 0x4
+set *0x20000000 = 0
+set *0xFFFFEA00 = 0x4
+set *0x20000000 = 0
+
+set *0xFFFFEA00 = 0x3
+set *0x20000000 = 0
+
+set *0xFFFFEA00 = 0x0
+set *0x20000000 = 0
+
+set *0xFFFFEA04 = 0x2BC
+
+echo SDRAM configuration ok.\n
+\ No newline at end of file