Tool/software:
Hello,
I create a board with AM335x and I used SDK tools to modify u-Boot and Kernel with my hardware. U-boot starts me up correctly and try to initialize the Kernel.
The problem is when Kernel try to start, I have a lot of errors with Clock and Timer and system stop starting.
[ 0.000000] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 0.000000] /ocp/l4_wkup@44c00000/segment@200000/target-module@0/prcm@0/clock@0/clock@38 not found from clkctrl data. [ 0.000000] /ocp/l4_wkup@44c00000/segment@200000/target-module@0/prcm@0/clock@0/clock@1c not found from clkctrl data. [ 0.000000] /ocp/l4_wkup@44c00000/segment@200000/target-module@0/prcm@0/clock@0/clock@24 not found from clkctrl data. [ 0.000000] /ocp/l4_wkup@44c00000/segment@200000/target-module@0/prcm@0/clock@0/clock@120 not found from clkctrl data. [ 0.000000] /ocp/l4_wkup@44c00000/segment@200000/target-module@0/prcm@0/clock@0/clock@e8 not found from clkctrl data. [ 0.000000] /ocp/l4_wkup@44c00000/segment@200000/target-module@0/prcm@0/clock@0/clock@0 not found from clkctrl data. [ 0.000000] /ocp/l4_wkup@44c00000/segment@200000/target-module@0/prcm@0/clock@0/clock@18 not found from clkctrl data. [ 0.000000] /ocp/l4_wkup@44c00000/segment@200000/target-module@0/prcm@0/clock@0/clock@14c not found from clkctrl data. [ 0.000000] /ocp/l4_wkup@44c00000/segment@200000/target-module@0/prcm@0/clock@400/clock@0 not found from clkctrl data. [ 0.000000] /ocp/l4_wkup@44c00000/segment@200000/target-module@0/prcm@0/clock@400/clock@14 not found from clkctrl data. [ 0.000000] /ocp/l4_wkup@44c00000/segment@200000/target-module@0/prcm@0/clock@400/clock@b0 not found from clkctrl data. [ 0.000000] /ocp/l4_wkup@44c00000/segment@200000/target-module@0/prcm@0/clock@600/clock@0 not found from clkctrl data. [ 0.000000] /ocp/l4_wkup@44c00000/segment@200000/target-module@0/prcm@0/clock@800/clock@0 not found from clkctrl data. [ 0.000000] /ocp/l4_wkup@44c00000/segment@200000/target-module@0/prcm@0/clock@900/clock@0 not found from clkctrl data. [ 0.000000] /ocp/l4_wkup@44c00000/segment@200000/target-module@0/prcm@0/clock@a00/clock@0 not found from clkctrl data. [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for clock-sys-clkin-22! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for clock! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for clock-dpll-core-m4! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for clock-dpll-core-m5! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for clock-dpll-core-m6! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for clock! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for clock-dpll-mpu-m2! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for clock! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for clock-dpll-ddr-m2! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for clock! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for clock-dpll-disp-m2! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for clock! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for clock-dpll-per-m2! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for clock-pruss-ocp-gclk! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for clock-mmu-fck-1! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for clock-timer1-fck! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for clock-timer2-fck! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for clock-timer3-fck! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for clock-timer4-fck! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for clock-timer5-fck! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for clock-timer6-fck! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for clock-timer7-fck! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for clock-usbotg-fck-8! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for clock-ieee5000-fck-1! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for clock-wdt1-fck! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for clock-cpsw-cpts-rft! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for clock-gpio0-dbclk-mux! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for clock-lcd-gclk! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for gfx_fclk_clksel_ck! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for gfx_fck_div_ck! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for sysclkout_pre_ck! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for clkout2_div_ck! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for clkout2_ck! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for ehrpwm0_tbclk! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for ehrpwm1_tbclk! [ 0.000000] ti_clk_get_reg_addr: clk-provider not found for ehrpwm2_tbclk! [ 0.000000] dmtimer_systimer_init: unable to detect system timers, update dtb? [ 0.000000] Failed to initialize '/ocp/l4_wkup@44c00000/segment@200000/target-module@31000/timer@0': -22 [ 0.000000] dmtimer_systimer_init: unable to detect system timers, update dtb? [ 0.000000] Failed to initialize '/ocp/interconnect@48000000/segment@0/target-module@40000/timer@0': -22 [ 0.000000] dmtimer_systimer_init: unable to detect system timers, update dtb? [ 0.000000] Failed to initialize '/ocp/interconnect@48000000/segment@0/target-module@42000/timer@0': -22 [ 0.000000] dmtimer_systimer_init: unable to detect system timers, update dtb? [ 0.000000] Failed to initialize '/ocp/interconnect@48000000/segment@0/target-module@44000/timer@0': -22 [ 0.000000] dmtimer_systimer_init: unable to detect system timers, update dtb? [ 0.000000] Failed to initialize '/ocp/interconnect@48000000/segment@0/target-module@46000/timer@0': -22 [ 0.000000] dmtimer_systimer_init: unable to detect system timers, update dtb? [ 0.000000] Failed to initialize '/ocp/interconnect@48000000/segment@0/target-module@48000/timer@0': -22 [ 0.000000] dmtimer_systimer_init: unable to detect system timers, update dtb? [ 0.000000] Failed to initialize '/ocp/interconnect@48000000/segment@0/target-module@4a000/timer@0': -22 [ 0.000000] timer_probe: no matching timers found
For hardware, I used the same elements and connections as a AM335x-EVM and I connect SYSBOOT[15:14 ] = 01b = 24MHz.
I reviewed all files about EVM say to copy for creating my board (https://software-dl.ti.com/processor-sdk-linux/esd/AM335X/09_03_05_02/exports/docs/linux/How_to_Guides/Board_Port/U-Boot.html#integrating-support-for-a-new-board-into-the-u-boot-tree) and I only found the following items regarding the clock and timer.
&rtc { clocks = <&clk_32768_ck>, <&clk_24mhz_clkctrl AM3_CLK_24MHZ_CLKDIV32K_CLKCTRL 0>; clock-names = "ext-clk", "int-clk"; };
/* Clock Defines */ #define V_OSCK 24000000 /* Clock output from T2 */ #define V_SCLK (V_OSCK)
What could be happening to me because I can't find the elements to charge the clock and timer?
Thanks,