diff options
| -rw-r--r-- | tcl/board/kindle2.cfg | 181 |
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 +} |