TCL scripts: add support for ST SPEAr310

Initial support for ST SPEAr310 and for the evaluation
board EVALSPEAr310 Rev. 2.0.
Scripts are split in generic for SPEAr3xx family and
specific for SPEAr310. This should easily allow adding
new members of the family.

Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>

1 files changed, 40 insertions, 0 deletions

diff --git a/tcl/chip/st/spear/spear310.tcl b/tcl/chip/st/spear/spear310.tcl
new file mode 100644
index 00000000..b2c3676e
--- /dev/null
+++ b/tcl/chip/st/spear/spear310.tcl
@@ -0,0 +1,40 @@
+# Specific init scripts for ST SPEAr310 system on chip
+# http://www.st.com/spear
+#
+# Date:      2010-09-23
+# Author:    Antonio Borneo <borneo.antonio@gmail.com>
+
+
+proc sp310_init {} {
+	mww 0xfca80034 0x0000ffff	# enable all RAS clocks
+	mww 0xfca80040 0x00000000	# remove all RAS resets
+	mww 0xb4000008 0x00002ff4	# RAS function enable
+
+	mww 0xfca8013c 0x2f7bc210	# plgpio_pad_drv
+	mww 0xfca80140 0x017bdef6
+}
+
+proc sp310_emi_init {} {
+	# set EMI pad strength
+	mmw 0xfca80134 0x0e000000 0x00000000
+	mmw 0xfca80138 0x0e739ce7 0x00000000
+	mmw 0xfca8013c 0x00039ce7 0x00000000
+
+	# set safe EMI timing as in BootROM
+	#mww 0x4f000000 0x0000000f	# tAP_0_reg
+	#mww 0x4f000004 0x00000000	# tSDP_0_reg
+	#mww 0x4f000008 0x000000ff	# tDPw_0_reg
+	#mww 0x4f00000c 0x00000111	# tDPr_0_reg
+	#mww 0x4f000010 0x00000002	# tDCS_0_reg
+
+	# set fast EMI timing as in Linux
+	mww 0x4f000000 0x00000010	# tAP_0_reg
+	mww 0x4f000004 0x00000005	# tSDP_0_reg
+	mww 0x4f000008 0x0000000a	# tDPw_0_reg
+	mww 0x4f00000c 0x0000000a	# tDPr_0_reg
+	mww 0x4f000010 0x00000005	# tDCS_0_re
+
+	# 32bit wide, 8/16/32bit access
+	mww 0x4f000014 0x0000000e	# control_0_reg
+	mww 0x4f000094 0x0000003f	# ack_reg
+}