1 files changed, 78 insertions, 0 deletions
diff --git a/resources/gdb/at91sam7se-ek-sdram.gdb b/resources/gdb/at91sam7se-ek-sdram.gdb
new file mode 100644
index 0000000..3fba949
--- /dev/null
+++ b/resources/gdb/at91sam7se-ek-sdram.gdb
@@ -0,0 +1,78 @@
+# SDRAM initialization script for the AT91SAM7SE
+#-----------------------------------------------
+# Configure master clock
+echo Configuring the master clock...\n
+# Enable main oscillator
+set *0xFFFFFC20 = 0x00004001
+while ((*0xFFFFFC68 & 0x1) == 0)
+end
+
+# Enable PLL
+set *0xFFFFFC2C = 0x1048100E
+while ((*0xFFFFFC68 & 0x4) == 0)
+end
+
+# Select prescaler value
+set *0xFFFFFC30 = 0x00000004
+while ((*0xFFFFFC68 & 0x8) == 0)
+end
+
+# Select master clock
+set *0xFFFFFC30 = 0x00000007
+while ((*0xFFFFFC68 & 0x8) == 0)
+end
+
+echo Master clock ok.\n
+echo Configuring the SDRAM controller...\n
+
+# Enable EBI chip select for the SDRAM
+set *0xFFFFFF80 = 0x2
+
+# Enable EBI pios
+# PMC
+set *0xFFFFFC10 = 0x1C
+# PIOA
+set *0xFFFFF404 = 0x3F800000
+set *0xFFFFF474 = 0x3F800000
+# PIOB
+set *0xFFFFF604 = 0x0003FFFF
+set *0xFFFFF674 = 0x0003FFFF
+# PIOC
+set *0xFFFFF804 = 0x0000FFFF
+set *0xFFFFF870 = 0x0000FFFF
+
+# SDRAM configuration (see corresponding application note)
+set *0xFFFFFFB8 = 0x21922159
+
+set *0xFFFFFFB0 = 0x11
+set *0x20000000 = 0
+
+set *0xFFFFFFB0 = 0x12
+set *0x20000000 = 0
+
+set *0xFFFFFFB0 = 0x14
+set *0x20000000 = 0
+set *0xFFFFFFB0 = 0x14
+set *0x20000000 = 0
+set *0xFFFFFFB0 = 0x14
+set *0x20000000 = 0
+set *0xFFFFFFB0 = 0x14
+set *0x20000000 = 0
+set *0xFFFFFFB0 = 0x14
+set *0x20000000 = 0
+set *0xFFFFFFB0 = 0x14
+set *0x20000000 = 0
+set *0xFFFFFFB0 = 0x14
+set *0x20000000 = 0
+set *0xFFFFFFB0 = 0x14
+set *0x20000000 = 0
+
+set *0xFFFFFFB0 = 0x13
+set *0x20000000 = 0
+
+set *0xFFFFFFB0 = 0x10
+set *0x20000000 = 0
+
+set *0xFFFFFFB4 = 0x150
+
+echo SDRAM configuration ok.\n
+\ No newline at end of file