From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Date: Sat, 9 Apr 2011 04:07:40 +0000 (+0200)
Subject: add at91sam9261-ek support
X-Git-Tag: v0.5.0-rc1~100
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=22437fac283e9b931eabb7c0d1cb54d78e4bfed4;p=openocd

add at91sam9261-ek support

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Patrice Vilchez <patrice.vilchez@atmel.com>
---

diff --git a/tcl/board/at91sam9261-ek.cfg b/tcl/board/at91sam9261-ek.cfg
new file mode 100644
index 00000000..3963e937
--- /dev/null
+++ b/tcl/board/at91sam9261-ek.cfg
@@ -0,0 +1,63 @@
+################################################################################
+# Atmel AT91SAM9261-EK eval board
+################################################################################
+
+source [find mem_helper.tcl]
+source [find target/at91sam9261.cfg]
+uplevel #0 [list source [find chip/atmel/at91/hardware.cfg]]
+uplevel #0 [list source [find chip/atmel/at91/at91sam9261.cfg]]
+uplevel #0 [list source [find chip/atmel/at91/at91sam9261_matrix.cfg]]
+uplevel #0 [list source [find chip/atmel/at91/at91sam9_init.cfg]]
+
+# By default S1 is open and this means that NTRST is not connected.
+# The reset_config in target/at91sam9261.cfg is overridden here.
+# (or S1 must be populated with a 0 Ohm resistor)
+reset_config srst_only
+
+scan_chain
+$_TARGETNAME configure -event gdb-attach { reset init }
+$_TARGETNAME configure -event reset-init { at91sam9261ek_reset_init }
+$_TARGETNAME configure -event reset-start { at91sam9_reset_start }
+
+proc at91sam9261ek_reset_init { } {
+
+	;# for ppla at 199 Mhz
+	set config(master_pll_div)	15
+	set config(master_pll_mul)	162
+
+	;# for ppla at 239 Mhz
+	;# set master_pll_div	1
+	;# set master_pll_mul	13
+
+	set val	[expr $::AT91_WDT_WDV]			;# Counter Value
+	set val	[expr ($val | $::AT91_WDT_WDDIS)]	;# Watchdog Disable
+	set val	[expr ($val | $::AT91_WDT_WDD)]		;# Delta Value
+	set val	[expr ($val | $::AT91_WDT_WDDBGHLT)]	;# Debug Halt
+	set val	[expr ($val | $::AT91_WDT_WDIDLEHLT)]	;# Idle Halt
+
+	set config(wdt_mr_val) $val
+
+	;# EBI_CSA, no pull-ups for D[15:0], CS1 SDRAM, CS3 NAND Flash
+	set config(matrix_ebicsa_addr)	$::AT91_MATRIX_EBICSA
+	set config(matrix_ebicsa_val) [expr ($::AT91_MATRIX_DBPUC | $::AT91_MATRIX_CS1A_SDRAMC)]
+
+	;# SDRAMC_CR - Configuration register
+	set val [expr $::AT91_SDRAMC_NC_9]
+	set val [expr ($val | $::AT91_SDRAMC_NR_13)]
+	set val [expr ($val | $::AT91_SDRAMC_NB_4)]
+	set val [expr ($val | $::AT91_SDRAMC_CAS_3)]
+	set val [expr ($val | $::AT91_SDRAMC_DBW_32)]
+	set val [expr ($val | (2 <<  8))]		;# Write Recovery Delay
+	set val [expr ($val | (7 << 12))]		;# Row Cycle Delay
+	set val [expr ($val | (3 << 16))]		;# Row Precharge Delay
+	set val [expr ($val | (2 << 20))]		;# Row to Column Delay
+	set val [expr ($val | (5 << 24))]		;# Active to Precharge Delay
+	set val [expr ($val | (8 << 28))]		;# Exit Self Refresh to Active Delay
+
+	set config(sdram_cr_val) $val
+
+	set config(sdram_tr_val) 0x13c
+
+	set config(sdram_base) $::AT91_CHIPSELECT_1
+	at91sam9_reset_init $config
+}