This is an automated email from Gerrit.
Felipe Balbi (ba...@ti.com) just uploaded a new patch set to Gerrit, which you
can find at http://openocd.zylin.com/2616
-- gerrit
commit 66e5fa969a7ae3fa1dde2927bc06866e12bba027
Author: Felipe Balbi <ba...@ti.com>
Date: Mon Mar 16 18:50:55 2015 -0500
tcl: am437x: add reset-init event handler
this event handler will configure and lock PLLs
and configure DDR so platform is placed in usable
state.
Change-Id: Idd02f4c9789181d69578f8606ac3576ea1dd8a0b
Tested-by: Tom Rini <tr...@konsulko.com>
Signed-off-by: Felipe Balbi <ba...@ti.com>
diff --git a/tcl/target/am437x.cfg b/tcl/target/am437x.cfg
index ee62ef9..75c13e4 100644
--- a/tcl/target/am437x.cfg
+++ b/tcl/target/am437x.cfg
@@ -508,5 +508,487 @@ proc disable_watchdog { } {
}
}
+proc ceil { x y } {
+ return [ expr ($x + $y - 1) / $y ]
+}
+
+proc device_type { } {
+ global CONTROL_STATUS
+
+ set tmp [ mrw $CONTROL_STATUS ]
+ set tmp [ expr $tmp & 0x700 ]
+ set tmp [ expr $tmp >> 8 ]
+
+ return $tmp
+}
+
+proc get_input_clock_frequency { } {
+ global CONTROL_STATUS
+
+ if { [ device_type ] != 3 } {
+ error "Unknown device type\n"
+ return -1
+ }
+
+ set freq [ mrw $CONTROL_STATUS ]
+ set freq [ expr $freq & 0x00c00000 ]
+ set freq [ expr $freq >> 22 ]
+
+ switch $freq {
+ 0 {
+ set CLKIN 19200000
+ }
+
+ 1 {
+ set CLKIN 24000000
+ }
+
+ 2 {
+ set CLKIN 25000000
+ }
+
+ 3 {
+ set CLKIN 26000000
+ }
+ }
+
+ return $CLKIN
+}
+
+proc mpu_pll_config { CLKIN N M M2 } {
+ global CM_CLKMODE_DPLL_MPU
+ global CM_CLKSEL_DPLL_MPU
+ global CM_DIV_M2_DPLL_MPU
+ global CM_IDLEST_DPLL_MPU
+
+ set clksel [ mrw $CM_CLKSEL_DPLL_MPU ]
+ set div_m2 [ mrw $CM_DIV_M2_DPLL_MPU ]
+
+ mww $CM_CLKMODE_DPLL_MPU 0x4
+ while { !([ mrw $CM_IDLEST_DPLL_MPU ] & 0x0100) } { }
+
+ set clksel [ expr $clksel & (~0x7ffff) ]
+ set clksel [ expr $clksel | ($M << 0x8) | $N ]
+ mww $CM_CLKSEL_DPLL_MPU $clksel
+
+ set div_m2 [ expr $div_m2 & (~0x1f) ]
+ set div_m2 [ expr $div_m2 | $M2 ]
+ mww $CM_DIV_M2_DPLL_MPU $div_m2
+
+ mww $CM_CLKMODE_DPLL_MPU 0x7
+ while { [ mrw $CM_IDLEST_DPLL_MPU ] != 1 } { }
+
+ echo "MPU DPLL locked"
+}
+
+proc core_pll_config { CLKIN N M M4 M5 M6 } {
+ global CM_CLKMODE_DPLL_CORE
+ global CM_CLKSEL_DPLL_CORE
+ global CM_DIV_M4_DPLL_CORE
+ global CM_DIV_M5_DPLL_CORE
+ global CM_DIV_M6_DPLL_CORE
+ global CM_IDLEST_DPLL_CORE
+
+ set clksel [ mrw $CM_CLKSEL_DPLL_CORE ]
+
+ mww $CM_CLKMODE_DPLL_CORE 0x4
+ while { !([ mrw $CM_IDLEST_DPLL_CORE ] & 0x0100) } { }
+
+ set clksel [ expr $clksel & (~0x7ffff) ]
+ set clksel [ expr $clksel | ($M << 0x8) | $N ]
+ mww $CM_CLKSEL_DPLL_CORE $clksel
+ mww $CM_DIV_M4_DPLL_CORE $M4
+ mww $CM_DIV_M5_DPLL_CORE $M5
+ mww $CM_DIV_M6_DPLL_CORE $M6
+
+ mww $CM_CLKMODE_DPLL_CORE 0x7
+ while { !([ mrw $CM_IDLEST_DPLL_CORE ] & 0x01) } { }
+
+ echo "CORE DPLL locked"
+}
+
+proc per_pll_config { CLKIN N M M2 } {
+ global CM_CLKMODE_DPLL_PER
+ global CM_CLKSEL_DPLL_PER
+ global CM_DIV_M2_DPLL_PER
+ global CM_IDLEST_DPLL_PER
+
+ set x [ expr $M * $CLKIN / 1000000 ]
+ set y [ expr ($N + 1) * 250 ]
+ set sd [ ceil $x $y ]
+
+ set clksel [ mrw $CM_CLKSEL_DPLL_PER ]
+ set div_m2 [ mrw $CM_DIV_M2_DPLL_PER ]
+
+ mww $CM_CLKMODE_DPLL_PER 0x4
+ while { !([ mrw $CM_IDLEST_DPLL_PER ] & 0x0100) } { }
+
+ set clksel [ expr $clksel & (~0xff0fffff) ]
+ set clksel [ expr $clksel | ($M << 0x8) | $N ]
+ set clksel [ expr $clksel | ($sd << 24) ]
+ mww $CM_CLKSEL_DPLL_PER $clksel
+
+ set div_m2 [ expr 0xffffff80 | $M2 ]
+
+ mww $CM_CLKMODE_DPLL_PER 0x7
+ while { !([ mrw $CM_IDLEST_DPLL_PER ] & 0x01) } { }
+
+ echo "PER DPLL locked"
+}
+
+proc ddr_pll_config { CLKIN N M M2 M4 } {
+ global CM_CLKMODE_DPLL_DDR
+ global CM_CLKSEL_DPLL_DDR
+ global CM_DIV_M2_DPLL_DDR
+ global CM_DIV_M4_DPLL_DDR
+ global CM_IDLEST_DPLL_DDR
+
+ set clksel [ mrw $CM_CLKSEL_DPLL_DDR ]
+ set div_m2 [ mrw $CM_DIV_M2_DPLL_DDR ]
+
+ mww $CM_CLKMODE_DPLL_DDR 0x4
+ while { !([ mrw $CM_IDLEST_DPLL_DDR ] & 0x0100) } { }
+
+ set clksel [ expr $clksel & (~0x7ffff) ]
+ set clksel [ expr $clksel | ($M << 8) | $N ]
+ mww $CM_CLKSEL_DPLL_DDR $clksel
+
+ set div_m2 [ expr ($div_m2 & 0xffffffe0) | $M2 ]
+ mww $CM_DIV_M2_DPLL_DDR $div_m2
+ mww $CM_DIV_M4_DPLL_DDR $M4
+
+ mww $CM_CLKMODE_DPLL_DDR 0x7
+ while { !([ mrw $CM_IDLEST_DPLL_DDR ] & 0x01) } { }
+
+ echo "DDR DPLL Locked"
+}
+
+proc config_opp100 { } {
+ set CLKIN [ get_input_clock_frequency ]
+
+ if { $CLKIN == -1 } {
+ return -1
+ }
+
+ switch $CLKIN {
+ 24000000 {
+ mpu_pll_config $CLKIN 0 25 1
+ core_pll_config $CLKIN 2 125 10 8 4
+ per_pll_config $CLKIN 9 400 5
+ ddr_pll_config $CLKIN 2 50 1 2
+ }
+
+ 25000000 {
+ mpu_pll_config $CLKIN 0 24 1
+ core_pll_config $CLKIN 0 40 10 8 4
+ per_pll_config $CLKIN 9 384 5
+ ddr_pll_config $CLKIN 0 16 1 2
+ }
+
+ 26000000 {
+ mpu_pll_config $CLKIN 12 300 1
+ core_pll_config $CLKIN 12 500 10 8 4
+ per_pll_config $CLKIN 12 480 5
+ ddr_pll_config $CLKIN 12 200 1 2
+ }
+
+ 19200000 {
+ mpu_pll_config $CLKIN 3 125 1
+ core_pll_config $CLKIN 11 625 10 8 4
+ per_pll_config $CLKIN 7 400 5
+ ddr_pll_config $CLKIN 2 125 1 2
+ }
+ }
+}
+
+proc emif_prcm_clk_enable { } {
+ global CM_PER_EMIF_FW_CLKCTRL
+ global CM_PER_EMIF_CLKCTRL
+
+ mww $CM_PER_EMIF_FW_CLKCTRL 0x02
+ mww $CM_PER_EMIF_CLKCTRL 0x02
+
+ while { [ mrw $CM_PER_EMIF_CLKCTRL ] != 0x02 } { }
+}
+
+proc vtp_enable { } {
+ global VTP_CTRL_REG
+
+ set vtp [ expr [ mrw $VTP_CTRL_REG ] | 0x40 ]
+ mww $VTP_CTRL_REG $vtp
+
+ set vtp [ expr [ mrw $VTP_CTRL_REG ] & ~0x01 ]
+ mww $VTP_CTRL_REG $vtp
+
+ set vtp [ expr [ mrw $VTP_CTRL_REG ] | 0x01 ]
+ mww $VTP_CTRL_REG $vtp
+
+}
+
+proc config_ddr_ioctrl { } {
+ global DDR_ADDRCTRL_IOCTRL
+ global DDR_ADDRCTRL_WD0_IOCTRL
+ global DDR_ADDRCTRL_WD1_IOCTRL
+ global DDR_CKE_CTRL
+ global DDR_DATA0_IOCTRL
+ global DDR_DATA1_IOCTRL
+ global DDR_DATA2_IOCTRL
+ global DDR_DATA3_IOCTRL
+ global DDR_IO_CTRL
+
+ mww $DDR_ADDRCTRL_IOCTRL 0x84
+ mww $DDR_ADDRCTRL_WD0_IOCTRL 0x00
+ mww $DDR_ADDRCTRL_WD1_IOCTRL 0x00
+ mww $DDR_DATA0_IOCTRL 0x84
+ mww $DDR_DATA1_IOCTRL 0x84
+ mww $DDR_DATA2_IOCTRL 0x84
+ mww $DDR_DATA3_IOCTRL 0x84
+
+ mww $DDR_IO_CTRL 0x00
+ mww $DDR_CKE_CTRL 0x03
+}
+
+proc config_ddr_phy { } {
+ global EMIF_DDR_PHY_CTRL_1
+ global EMIF_DDR_PHY_CTRL_1_SHDW
+
+ global EXT_PHY_CTRL_1
+ global EXT_PHY_CTRL_1_SHDW
+ global EXT_PHY_CTRL_2
+ global EXT_PHY_CTRL_2_SHDW
+ global EXT_PHY_CTRL_3
+ global EXT_PHY_CTRL_3_SHDW
+ global EXT_PHY_CTRL_4
+ global EXT_PHY_CTRL_4_SHDW
+ global EXT_PHY_CTRL_5
+ global EXT_PHY_CTRL_5_SHDW
+ global EXT_PHY_CTRL_6
+ global EXT_PHY_CTRL_6_SHDW
+ global EXT_PHY_CTRL_7
+ global EXT_PHY_CTRL_7_SHDW
+ global EXT_PHY_CTRL_8
+ global EXT_PHY_CTRL_8_SHDW
+ global EXT_PHY_CTRL_9
+ global EXT_PHY_CTRL_9_SHDW
+ global EXT_PHY_CTRL_10
+ global EXT_PHY_CTRL_10_SHDW
+ global EXT_PHY_CTRL_11
+ global EXT_PHY_CTRL_11_SHDW
+ global EXT_PHY_CTRL_12
+ global EXT_PHY_CTRL_12_SHDW
+ global EXT_PHY_CTRL_13
+ global EXT_PHY_CTRL_13_SHDW
+ global EXT_PHY_CTRL_14
+ global EXT_PHY_CTRL_14_SHDW
+ global EXT_PHY_CTRL_15
+ global EXT_PHY_CTRL_15_SHDW
+ global EXT_PHY_CTRL_16
+ global EXT_PHY_CTRL_16_SHDW
+ global EXT_PHY_CTRL_17
+ global EXT_PHY_CTRL_17_SHDW
+ global EXT_PHY_CTRL_18
+ global EXT_PHY_CTRL_18_SHDW
+ global EXT_PHY_CTRL_19
+ global EXT_PHY_CTRL_19_SHDW
+ global EXT_PHY_CTRL_20
+ global EXT_PHY_CTRL_20_SHDW
+ global EXT_PHY_CTRL_21
+ global EXT_PHY_CTRL_21_SHDW
+ global EXT_PHY_CTRL_22
+ global EXT_PHY_CTRL_22_SHDW
+ global EXT_PHY_CTRL_23
+ global EXT_PHY_CTRL_23_SHDW
+ global EXT_PHY_CTRL_24
+ global EXT_PHY_CTRL_24_SHDW
+ global EXT_PHY_CTRL_25
+ global EXT_PHY_CTRL_25_SHDW
+ global EXT_PHY_CTRL_26
+ global EXT_PHY_CTRL_26_SHDW
+ global EXT_PHY_CTRL_27
+ global EXT_PHY_CTRL_27_SHDW
+ global EXT_PHY_CTRL_28
+ global EXT_PHY_CTRL_28_SHDW
+ global EXT_PHY_CTRL_29
+ global EXT_PHY_CTRL_29_SHDW
+ global EXT_PHY_CTRL_30
+ global EXT_PHY_CTRL_30_SHDW
+ global EXT_PHY_CTRL_31
+ global EXT_PHY_CTRL_31_SHDW
+ global EXT_PHY_CTRL_32
+ global EXT_PHY_CTRL_32_SHDW
+ global EXT_PHY_CTRL_33
+ global EXT_PHY_CTRL_33_SHDW
+ global EXT_PHY_CTRL_34
+ global EXT_PHY_CTRL_34_SHDW
+ global EXT_PHY_CTRL_35
+ global EXT_PHY_CTRL_35_SHDW
+ global EXT_PHY_CTRL_36
+ global EXT_PHY_CTRL_36_SHDW
+
+ mww $EMIF_DDR_PHY_CTRL_1 0x8009
+ mww $EMIF_DDR_PHY_CTRL_1_SHDW 0x8009
+
+ set slave_ratio 0x80
+ set gatelvl_init_ratio 0x20
+ set wr_dqs_slave_delay 0x60
+ set rd_dqs_slave_delay 0x60
+ set dq_offset 0x40
+ set gatelvl_init_mode 0x01
+ set wr_data_slave_delay 0x80
+ set gatelvl_num_dq0 0x0f
+ set wrlvl_num_dq0 0x0f
+
+ mww $EXT_PHY_CTRL_1 [ expr ($slave_ratio << 20) | ($slave_ratio
<< 10) | $slave_ratio ]
+ mww $EXT_PHY_CTRL_1_SHDW [ expr ($slave_ratio << 20) | ($slave_ratio
<< 10) | $slave_ratio ]
+ mww $EXT_PHY_CTRL_26 [ expr ($gatelvl_init_ratio << 16) |
$gatelvl_init_ratio ]
+ mww $EXT_PHY_CTRL_26_SHDW [ expr ($gatelvl_init_ratio << 16) |
$gatelvl_init_ratio ]
+ mww $EXT_PHY_CTRL_27 [ expr ($gatelvl_init_ratio << 16) |
$gatelvl_init_ratio ]
+ mww $EXT_PHY_CTRL_27_SHDW [ expr ($gatelvl_init_ratio << 16) |
$gatelvl_init_ratio ]
+ mww $EXT_PHY_CTRL_28 [ expr ($gatelvl_init_ratio << 16) |
$gatelvl_init_ratio ]
+ mww $EXT_PHY_CTRL_28_SHDW [ expr ($gatelvl_init_ratio << 16) |
$gatelvl_init_ratio ]
+ mww $EXT_PHY_CTRL_29 [ expr ($gatelvl_init_ratio << 16) |
$gatelvl_init_ratio ]
+ mww $EXT_PHY_CTRL_29_SHDW [ expr ($gatelvl_init_ratio << 16) |
$gatelvl_init_ratio ]
+ mww $EXT_PHY_CTRL_30 [ expr ($gatelvl_init_ratio << 16) |
$gatelvl_init_ratio ]
+ mww $EXT_PHY_CTRL_30_SHDW [ expr ($gatelvl_init_ratio << 16) |
$gatelvl_init_ratio ]
+ mww $EXT_PHY_CTRL_31 0x00
+ mww $EXT_PHY_CTRL_31_SHDW 0x00
+ mww $EXT_PHY_CTRL_32 0x00
+ mww $EXT_PHY_CTRL_32_SHDW 0x00
+ mww $EXT_PHY_CTRL_33 0x00
+ mww $EXT_PHY_CTRL_33_SHDW 0x00
+ mww $EXT_PHY_CTRL_34 0x00
+ mww $EXT_PHY_CTRL_34_SHDW 0x00
+ mww $EXT_PHY_CTRL_35 0x00
+ mww $EXT_PHY_CTRL_35_SHDW 0x00
+ mww $EXT_PHY_CTRL_22 0x00
+ mww $EXT_PHY_CTRL_22_SHDW 0x00
+ mww $EXT_PHY_CTRL_23 [ expr ($wr_dqs_slave_delay << 16) |
$rd_dqs_slave_delay ]
+ mww $EXT_PHY_CTRL_23_SHDW [ expr ($wr_dqs_slave_delay << 16) |
$rd_dqs_slave_delay ]
+ mww $EXT_PHY_CTRL_24 [ expr ($dq_offset << 24) |
($gatelvl_init_mode << 16) | $wr_data_slave_delay ]
+ mww $EXT_PHY_CTRL_24_SHDW [ expr ($dq_offset << 24) |
($gatelvl_init_mode << 16) | $wr_data_slave_delay << 0 ]
+ mww $EXT_PHY_CTRL_25 [ expr ($dq_offset << 21) | ($dq_offset <<
14) | ($dq_offset << 7) | $dq_offset ]
+ mww $EXT_PHY_CTRL_25_SHDW [ expr ($dq_offset << 21) | ($dq_offset <<
14) | ($dq_offset << 7) | $dq_offset ]
+ mww $EXT_PHY_CTRL_36 [ expr ($wrlvl_num_dq0 << 4) |
$gatelvl_num_dq0 ]
+ mww $EXT_PHY_CTRL_36_SHDW [ expr ($wrlvl_num_dq0 << 4) |
$gatelvl_num_dq0 ]
+}
+
+proc config_ddr_timing { } {
+ global EMIF_SDRAM_TIM_1
+ global EMIF_SDRAM_TIM_2
+ global EMIF_SDRAM_TIM_3
+ global EMIF_SDRAM_TIM_1_SHDW
+ global EMIF_SDRAM_TIM_2_SHDW
+ global EMIF_SDRAM_TIM_3_SHDW
+ global EMIF_ZQ_CONFIG
+
+ mww $EMIF_SDRAM_TIM_1 0xeaaad4db
+ mww $EMIF_SDRAM_TIM_1_SHDW 0xeaaad4db
+
+ mww $EMIF_SDRAM_TIM_2 0x266b7fda
+ mww $EMIF_SDRAM_TIM_2_SHDW 0x266b7fda
+
+ mww $EMIF_SDRAM_TIM_3 0x107f8678
+ mww $EMIF_SDRAM_TIM_3_SHDW 0x107f8678
+
+ mww $EMIF_ZQ_CONFIG 0x50074be4
+}
+
+proc config_ddr_pm { } {
+ global EMIF_PWR_MGMT_CTRL
+ global EMIF_PWR_MGMT_CTRL_SHDW
+ global EMIF_DLL_CALIB_CTRL
+ global EMIF_DLL_CALIB_CTRL_SHDW
+ global EMIF_TEMP_ALERT_CONFIG
+
+ mww $EMIF_PWR_MGMT_CTRL 0x00
+ mww $EMIF_PWR_MGMT_CTRL_SHDW 0x00
+ mww $EMIF_DLL_CALIB_CTRL 0x00050000
+ mww $EMIF_DLL_CALIB_CTRL_SHDW 0x00050000
+ mww $EMIF_TEMP_ALERT_CONFIG 0x00
+}
+
+proc config_ddr_priority { } {
+ global EMIF_PRI_COS_MAP
+ global EMIF_CONNID_COS_1_MAP
+ global EMIF_CONNID_COS_2_MAP
+ global EMIF_RD_WR_EXEC_THRSH
+ global COS_CONFIG
+
+ mww $EMIF_PRI_COS_MAP 0x00
+ mww $EMIF_CONNID_COS_1_MAP 0x00
+ mww $EMIF_CONNID_COS_2_MAP 0x0
+ mww $EMIF_RD_WR_EXEC_THRSH 0x0405
+ mww $COS_CONFIG 0x00ffffff
+}
+
+proc config_ddr3 { SDRAM_CONFIG } {
+ global CM_DLL_CTRL
+ global EMIF_IODFT_TLGC
+ global EMIF_RDWR_LVL_CTRL
+ global EMIF_RDWR_LVL_RMP_CTRL
+ global EMIF_SDRAM_CONFIG
+ global EMIF_SDRAM_CONFIG_EXT
+ global EMIF_SDRAM_REF_CTRL
+ global EMIF_SDRAM_REF_CTRL_SHDW
+ global EMIF_STATUS
+ global EXT_PHY_CTRL_36
+ global EXT_PHY_CTRL_36_SHDW
+
+ emif_prcm_clk_enable
+ vtp_enable
+
+ set dll [ expr [ mrw $CM_DLL_CTRL ] & ~0x01 ]
+ mww $CM_DLL_CTRL $dll
+ while { !([ mrw $CM_DLL_CTRL ] & 0x04) } { }
+
+ config_ddr_ioctrl
+
+ mww $EMIF_SDRAM_CONFIG_EXT 0xc163
+ mww $EMIF_IODFT_TLGC 0x2011
+ mww $EMIF_IODFT_TLGC 0x2411
+ mww $EMIF_IODFT_TLGC 0x2011
+ mww $EMIF_SDRAM_REF_CTRL 0x80003000
+
+ config_ddr_phy
+
+ mww $EMIF_IODFT_TLGC 0x2011
+ mww $EMIF_IODFT_TLGC 0x2411
+ mww $EMIF_IODFT_TLGC 0x2011
+
+ config_ddr_timing
+ config_ddr_pm
+ config_ddr_priority
+
+ mww $EMIF_SDRAM_REF_CTRL 0x3000
+ mww $EMIF_SDRAM_CONFIG $SDRAM_CONFIG
+
+ mww $EMIF_SDRAM_REF_CTRL 0x0c30
+ mww $EMIF_SDRAM_REF_CTRL_SHDW 0x0c30
+
+ sleep 10
+
+ set tmp [ expr [ mrw $EXT_PHY_CTRL_36 ] | 0x0100 ]
+ mww $EXT_PHY_CTRL_36 $tmp
+ mww $EXT_PHY_CTRL_36_SHDW $tmp
+
+ mww $EMIF_RDWR_LVL_RMP_CTRL 0x80000000
+ mww $EMIF_RDWR_LVL_CTRL 0x80000000
+
+ while { [ mrw $EMIF_RDWR_LVL_CTRL ] & 0x80000000 } { }
+
+ if { [ mrw $EMIF_STATUS ] & 0x70 } {
+ error "DDR3 Hardware Leveling incomplete!!!"
+ }
+}
+
+proc init_platform { SDRAM_CONFIG } {
+ config_opp100
+ config_ddr3 $SDRAM_CONFIG
+
+ # now that PLLs are configured, we can run JTAG at full speed
+ adapter_khz 16000
+}
+
$_TARGETNAME configure -event reset-start { adapter_khz 1000 }
+$_TARGETNAME configure -event reset-init { init_platform 0x61a013b2 }
$_TARGETNAME configure -event reset-end { disable_watchdog }
--
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