From 8e8b50f65dffd6908375cfd96e57820031bf6e2c Mon Sep 17 00:00:00 2001 From: Oleksij Rempel Date: Wed, 31 Jan 2018 11:54:39 +0100 Subject: [PATCH 1/1] tcl/target: add config for Qualcomm QCA4531 The QCA4531 is a two stream (2x2) 802.11b/g/n single-band programmable Wi-Fi System-on-Chip (SoC) for the Internet of Things (IoT). https://www.qualcomm.com/products/qca4531 Change-Id: I58398c00943b005cfaf0ac1eaad92d1fa4e2cba7 Signed-off-by: Oleksij Rempel Reviewed-on: http://openocd.zylin.com/4405 Tested-by: jenkins Reviewed-by: Paul Fertser --- tcl/target/qualcomm_qca4531.cfg | 154 ++++++++++++++++++++++++++++++++ 1 file changed, 154 insertions(+) create mode 100644 tcl/target/qualcomm_qca4531.cfg diff --git a/tcl/target/qualcomm_qca4531.cfg b/tcl/target/qualcomm_qca4531.cfg new file mode 100644 index 0000000000..3d21578524 --- /dev/null +++ b/tcl/target/qualcomm_qca4531.cfg @@ -0,0 +1,154 @@ +# The QCA4531 is a two stream (2x2) 802.11b/g/n single-band programmable +# Wi-Fi System-on-Chip (SoC) for the Internet of Things (IoT). +# +# Product page: +# https://www.qualcomm.com/products/qca4531 +# +# Notes: +# - MIPS Processor ID (PRId): 0x00019374 +# - 24Kc MIPS processor with 64 KB I-Cache and 32 KB D-Cache, +# operating at up to 650 MHz +# - External 16-bit DDR1, operating at up to 200 MHz, DDR2 operating at up +# to 300 MHz +# - TRST is not available. +# - EJTAG PrRst signal is not supported +# - RESET_L pin B56 on the SoC will reset internal JTAG logic. +# +# Pins related for debug and bootstrap: +# Name Pin Description +# JTAG +# JTAG_TCK GPIO0, (A27) Software configurable, default JTAG +# JTAG_TDI GPIO1, (B23) Software configurable, default JTAG +# JTAG_TDO GPIO2, (A28) Software configurable, default JTAG +# JTAG_TMS GPIO3, (A29) Software configurable, default JTAG +# Reset +# RESET_L -, (B56) Input only +# SYS_RST_L GPIO17, (A79) Output reset request or GPIO +# Bootstrap +# JTAG_MODE GPIO16, (A78) 0 - JTAG (Default); 1 - EJTAG +# DDR_SELECT GPIO10, (A57) 0 - DDR2; 1 - DDR1 +# UART +# UART0_SOUT GPIO10, (A57) +# UART0_SIN GPIO9, (B49) + +# Per default we need to use "none" variant to be able properly "reset init" +# or "reset halt" the CPU. +reset_config none srst_pulls_trst + +# For SRST based variant we still need proper timings. +# For ETH part the reset should be asserted at least for 10ms +# Since there is no other information let's take 100ms to be sure. +adapter_nsrst_assert_width 100 + +# according to the SoC documentation it should take at least 5ms from +# reset end till bootstrap end. In the practice we need 8ms to get JTAG back +# to live. +adapter_nsrst_delay 8 + +if { [info exists CHIPNAME] } { + set _CHIPNAME $_CHIPNAME +} else { + set _CHIPNAME qca4531 +} + +jtag newtap $_CHIPNAME cpu -irlen 5 -expected-id 0x00000001 + +set _TARGETNAME $_CHIPNAME.cpu +target create $_TARGETNAME mips_m4k -endian big -chain-position $_TARGETNAME + +# provide watchdog helper. +proc disable_watchdog { } { + mww 0xb8060008 0x0 +} + +$_TARGETNAME configure -event halted { disable_watchdog } + +# Since PrRst is not supported and SRST will reset complete chip +# with JTAG engine, we need to reset CPU from CPU itself. +$_TARGETNAME configure -event reset-assert-pre { + halt +} + +$_TARGETNAME configure -event reset-assert { + catch "mww 0xb806001C 0x01000000" +} + +# To be able to trigger complete chip reset, in case JTAG is blocked +# or CPU not responding, we still can use this helper. +proc full_reset { } { + reset_config srst_only + reset + halt + reset_config none +} + +# Section with helpers which can be used by boards +proc qca4531_ddr2_550_550_init {} { + # Clear reset flags for different SoC components + mww 0xb806001c 0xfeceffff + mww 0xb806001c 0xeeceffff + mww 0xb806001c 0xe6ceffff + + # PMU configurations + # Internal Switcher + mww 0xb8116c40 0x633c8176 + # Increase the DDR voltage + mww 0xb8116c44 0x10200000 + # XTAL Configurations + mww 0xb81162c0 0x4b962100 + mww 0xb81162c4 0x480 + mww 0xb81162c8 0x04000144 + # Recommended PLL configurations + mww 0xb81161c4 0x54086000 + mww 0xb8116244 0x54086000 + + # PLL init + mww 0xb8050008 0x0131001c + mww 0xb8050000 0x40001580 + mww 0xb8050004 0x40015800 + mww 0xb8050008 0x0131001c + mww 0xb8050000 0x00001580 + mww 0xb8050004 0x00015800 + mww 0xb8050008 0x01310000 + mww 0xb8050044 0x781003ff + mww 0xb8050048 0x003c103f + + # DDR2 init + mww 0xb8000108 0x401f0042 + mww 0xb80000b8 0x0000166d + mww 0xb8000000 0xcfaaf33b + mww 0xb800015c 0x0000000f + mww 0xb8000004 0xa272efa8 + mww 0xb8000018 0x0000ffff + mww 0xb80000c4 0x74444444 + mww 0xb80000c8 0x00000444 + mww 0xb8000004 0xa210ee28 + mww 0xb8000004 0xa2b2e1a8 + mww 0xb8000010 0x8 + mww 0xb80000bc 0x0 + mww 0xb8000010 0x10 + mww 0xb80000c0 0x0 + mww 0xb8000010 0x40 + mww 0xb800000c 0x2 + mww 0xb8000010 0x2 + mww 0xb8000008 0xb43 + mww 0xb8000010 0x1 + mww 0xb8000010 0x8 + mww 0xb8000010 0x4 + mww 0xb8000010 0x4 + mww 0xb8000008 0xa43 + mww 0xb8000010 0x1 + mww 0xb800000c 0x382 + mww 0xb8000010 0x2 + mww 0xb800000c 0x402 + mww 0xb8000010 0x2 + mww 0xb8000014 0x40be + mww 0xb800001C 0x20 + mww 0xb8000020 0x20 + mww 0xb80000cc 0xfffff + + # UART GPIO programming + mww 0xb8040000 0xff30b + mww 0xb8040044 0x908 + mww 0xb8040034 0x160000 +} -- 2.30.2