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author | Antony Pavlov <antonynpavlov@gmail.com> | 2015-09-20 16:52:37 +0300 |
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committer | Paul Fertser <fercerpav@gmail.com> | 2018-07-31 15:56:31 +0100 |
commit | dcf977c89a24b02fd8200af633be1fdd3add4ae7 (patch) | |
tree | 01b4689d3a497b8fe092f857c5a9087b3282876f /tcl/target/atheros_ar9331.cfg | |
parent | 87610a41790f3568720701008259c859e2d01ae2 (diff) | |
download | riscv-openocd-dcf977c89a24b02fd8200af633be1fdd3add4ae7.zip riscv-openocd-dcf977c89a24b02fd8200af633be1fdd3add4ae7.tar.gz riscv-openocd-dcf977c89a24b02fd8200af633be1fdd3add4ae7.tar.bz2 |
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.cfg | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/tcl/target/atheros_ar9331.cfg b/tcl/target/atheros_ar9331.cfg index c5609bb..cd69183 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. +} |