aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorAlexander Kurz <akurz@blala.de>2017-01-24 13:34:38 +0100
committerMatthias Welwarsky <matthias@welwarsky.de>2019-04-24 14:10:00 +0100
commit33281a87b66576057c14200e034e8e7e0a7e2d85 (patch)
treede7c3a7ac1448ee3f29aa91d5cf1e5eb99cda177
parentf9986394dc98cf27708022487a5e5b1b8cc9f5b5 (diff)
downloadriscv-openocd-33281a87b66576057c14200e034e8e7e0a7e2d85.zip
riscv-openocd-33281a87b66576057c14200e034e8e7e0a7e2d85.tar.gz
riscv-openocd-33281a87b66576057c14200e034e8e7e0a7e2d85.tar.bz2
tcl/board: Add config for the Amazon Kindle 2 and DX
Add a config to access the Amazon Kindle Model No. D00701 and D00801. Both ebook readers are based on a Freescale i.MX31. A JTAG interface is included in a 40 pin FFC connector marked "J9" on both variants. Change-Id: I58bb1ded3d6706bc3798af488ca8bafb7dc45225 Signed-off-by: Alexander Kurz <akurz@blala.de> Reviewed-on: http://openocd.zylin.com/3956 Tested-by: jenkins Reviewed-by: Matthias Welwarsky <matthias@welwarsky.de>
-rw-r--r--tcl/board/kindle2.cfg181
1 files changed, 181 insertions, 0 deletions
diff --git a/tcl/board/kindle2.cfg b/tcl/board/kindle2.cfg
new file mode 100644
index 0000000..f32b2a3
--- /dev/null
+++ b/tcl/board/kindle2.cfg
@@ -0,0 +1,181 @@
+# Board configuration file for Amazon Kindle Model No. D00701 and D00801
+# AKA Kindle 2nd generation and Kindle DX
+# using a Freescale MCIMX31LDVKN5D i.MX31 processor
+#
+# Pins at J9 40-Pin FFC-A:
+# 1 - GND
+# 16 - TRSTB
+# 17 - TDI
+# 18 - TMS
+# 19 - TCK
+# 20 - RTCK
+# 21 - TDO
+# 22 - DE
+# 25 - BOOT_MODE4
+# 27 - BOOT_MODE2
+
+source [find target/imx31.cfg]
+source [find target/imx.cfg]
+
+$_TARGETNAME configure -event reset-init { kindle2_init }
+$_TARGETNAME configure -event reset-start { adapter_khz 1000 }
+
+# 8MiB NOR Flash
+set _FLASHNAME $_CHIPNAME.flash
+flash bank $_FLASHNAME cfi 0xa0000000 0x800000 2 2 $_TARGETNAME
+
+# 16kiB internal SRAM
+$_TARGETNAME configure -work-area-phys 0x1fffc000 \
+ -work-area-size 0x4000 -work-area-backup 0
+
+# FIXME: currently SRST is not wired to the system
+reset_config trst_only
+jtag_ntrst_assert_width 10
+jtag_ntrst_delay 30
+
+# this is broken but enabled by default
+arm11 memwrite burst disable
+
+adapter_khz 1000
+ftdi_tdo_sample_edge falling
+
+proc kindle2_init {} {
+ imx3x_reset
+ kindle2_clock_setup
+ disable_mmu_and_cache
+ kindle2_misc_init
+ kindle2_sdram_init
+ arm core_state arm
+}
+
+proc kindle2_clock_setup {} {
+ # CCMR: clock from FPM/CKIL
+ mww 0x53f80000 0x074b0b7b
+ # IPU_CONF
+ mww 0x53fc0000 0x040
+ # 398MHz
+ mww 0x53f80004 0xff871650
+ mww 0x53f80010 0x00331c23
+}
+
+proc kindle2_misc_init { } {
+ # AIPS1
+ mww 0x43f00040 0x0
+ mww 0x43f00044 0x0
+ mww 0x43f00048 0x0
+ mww 0x43f0004c 0x0
+ mww 0x43f00050 0x0
+ mww 0x43f00000 0x77777777
+ mww 0x43f00004 0x77777777
+
+ # AIPS2
+ mww 0x53f00040 0x0
+ mww 0x53f00044 0x0
+ mww 0x53f00048 0x0
+ mww 0x53f0004c 0x0
+ mww 0x53f00050 0x0
+ mww 0x53f00000 0x77777777
+ mww 0x53f00004 0x77777777
+
+ # Start 16 bit NorFlash Initialization on CS0
+ mww 0xb8002000 0x0000cc03
+ mww 0xb8002004 0xa0330d01
+ mww 0xb8002008 0x00220800
+}
+
+proc disable_mmu_and_cache {} {
+ # Mode Supervisor, disable FIQ, IRQ and imprecise data aborts
+ reg cpsr 0x1d3
+
+ # flush entire BTAC
+ arm mcr 15 0 7 5 6 0
+ # invalidate instruction and data cache
+ # MCR CP15, 0, R1, C7, C7, 0
+ arm mcr 15 0 7 7 0
+
+ # clean and invalidate cache
+ arm mcr 15 0 7 15 0
+
+ # disable MMU and caches
+ arm mcr 15 0 1 0 0 0
+
+ arm mcr 15 0 15 2 4 0
+
+ # invalidate TLBs
+ arm mcr 15 0 8 7 0 0
+
+ # Drain the write buffer
+ arm mcr 15 0 7 10 4 0
+
+ # start from AIPS 2GB region
+ arm mcr 15 0 15 2 4 0x40000015
+}
+
+proc kindle2_sdram_init {} {
+ #--------------------------------------------
+ # Samsung K4X1G323PC-8GC3 32Mx32 Mobile DDR SDRAM
+ #--------------------------------------------
+ # SDCLK
+ mww 0x43fac26c 0
+
+ # CAS
+ mww 0x43fac270 0
+
+ # RAS
+ mww 0x43fac274 0
+
+ # CS2 (CSD0)
+ mww 0x43fac27c 0x1000
+
+ # DQM3
+ mww 0x43fac284 0
+
+ # DQM2, DQM1, DQM0, SD31-SD0, A25-A0, MA10 (0x288..0x2dc)
+ mww 0x43fac288 0
+ mww 0x43fac28c 0
+ mww 0x43fac290 0
+ mww 0x43fac294 0
+ mww 0x43fac298 0
+ mww 0x43fac29c 0
+ mww 0x43fac2a0 0
+ mww 0x43fac2a4 0
+ mww 0x43fac2a8 0
+ mww 0x43fac2ac 0
+ mww 0x43fac2b0 0
+ mww 0x43fac2b4 0
+ mww 0x43fac2b8 0
+ mww 0x43fac2bc 0
+ mww 0x43fac2c0 0
+ mww 0x43fac2c4 0
+ mww 0x43fac2c8 0
+ mww 0x43fac2cc 0
+ mww 0x43fac2d0 0
+ mww 0x43fac2d4 0
+ mww 0x43fac2d8 0
+ mww 0x43fac2dc 0
+
+ # ?
+ mww 0xb8002000 0x00006602
+ mww 0xb8002004 0x00000501
+ mww 0xb8002008 0x00000000
+
+ # LPDDR1 Initialization script
+ mww 0xb8001010 0x00000002
+ mww 0xb8001010 0x00000004
+ # ESDCFG0: set timing paramters
+ mww 0xb8001004 0x007fff7f
+ # ESDCTL0: select Prechare-All mode
+ mww 0xb8001000 0x92100000
+ mww 0x80000f00 0x12344321
+ # ESDCTL0: Auto Refresh
+ mww 0xb8001000 0xa2100000
+ mww 0x80000000 0x12344321
+ mww 0x80000000 0x12344321
+ # ESDCTL0: Load Mode Register
+ mww 0xb8001000 0xb2100000
+ mwb 0x80000033 0xda
+ mwb 0x81000000 0xff
+ # ESDCTL0: enable Auto-Refresh
+ mww 0xb8001000 0x82226080
+ mww 0x80000000 0xdeadbeef
+}