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authorAntony Pavlov <antonynpavlov@gmail.com>2015-09-20 16:52:37 +0300
committerPaul Fertser <fercerpav@gmail.com>2018-07-31 15:56:31 +0100
commitdcf977c89a24b02fd8200af633be1fdd3add4ae7 (patch)
tree01b4689d3a497b8fe092f857c5a9087b3282876f /tcl/target/atheros_ar9331.cfg
parent87610a41790f3568720701008259c859e2d01ae2 (diff)
tcl/target|board: move common AR9331 code to atheros_ar9331.cfg
The ar9331_25mhz_pll_init and ar9331_ddr1_init routines can be used not only for TP-Link MR3020 board, so move them to the common atheros_ar9331.cfg file. Change-Id: I04090856b08151d6bb0f5ef9cc654efae1c81835 Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com> Reviewed-on: http://openocd.zylin.com/2999 Tested-by: jenkins Reviewed-by: Paul Fertser <fercerpav@gmail.com>
Diffstat (limited to 'tcl/target/atheros_ar9331.cfg')
-rw-r--r--tcl/target/atheros_ar9331.cfg34
1 files changed, 34 insertions, 0 deletions
diff --git a/tcl/target/atheros_ar9331.cfg b/tcl/target/atheros_ar9331.cfg
index c5609bb1..cd691833 100644
--- a/tcl/target/atheros_ar9331.cfg
+++ b/tcl/target/atheros_ar9331.cfg
@@ -14,3 +14,37 @@ jtag newtap $_CHIPNAME cpu -irlen 5 -expected-id $_CPUTAPID
set _TARGETNAME $_CHIPNAME.cpu
target create $_TARGETNAME mips_m4k -endian big -chain-position $_TARGETNAME
+
+proc ar9331_25mhz_pll_init {} {
+ mww 0xb8050008 0x00018004 ;# bypass PLL; AHB_POST_DIV - ratio 4
+ mww 0xb8050004 0x00000352 ;# 34000(ns)/40ns(25MHz) = 0x352 (850)
+ mww 0xb8050000 0x40818000 ;# Power down control for CPU PLL
+ ;# OUTDIV | REFDIV | DIV_INT
+ mww 0xb8050010 0x001003e8 ;# CPU PLL Dither FRAC Register
+ ;# (disabled?)
+ mww 0xb8050000 0x00818000 ;# Power on | OUTDIV | REFDIV | DIV_INT
+ mww 0xb8050008 0x00008000 ;# remove bypass;
+ ;# AHB_POST_DIV - ratio 2
+}
+
+proc ar9331_ddr1_init {} {
+ mww 0xb8000000 0x7fbc8cd0 ;# DDR_CONFIG - lots of DRAM confs
+ mww 0xb8000004 0x9dd0e6a8 ;# DDR_CONFIG2 - more DRAM confs
+
+ mww 0xb8000010 0x8 ;# Forces a PRECHARGE ALL cycle
+ mww 0xb8000008 0x133 ;# mode reg: 0x133 - default
+ mww 0xb8000010 0x1 ;# Forces an MRS update cycl
+ mww 0xb800000c 0x2 ;# Extended mode register value.
+ ;# default 0x2 - Reset to weak driver, DLL on
+ mww 0xb8000010 0x2 ;# Forces an EMRS update cycle
+ mww 0xb8000010 0x8 ;# Forces a PRECHARGE ALL cycle
+ mww 0xb8000008 0x33 ;# mode reg: remove some bit?
+ mww 0xb8000010 0x1 ;# Forces an MRS update cycl
+ mww 0xb8000014 0x4186 ;# enable refres: bit(14) - set refresh rate
+ mww 0xb800001c 0x8 ;# This register is used along with DQ Lane 0,
+ ;# DQ[7:0], DQS_0
+ mww 0xb8000020 0x9 ;# This register is used along with DQ Lane 1,
+ ;# DQ[15:8], DQS_1.
+ mww 0xb8000018 0xff ;# DDR read and capture bit mask.
+ ;# Each bit represents a cycle of valid data.
+}