On Thu 2014-12-25 09:32:40, Pali Rohár wrote: > On Wednesday 24 December 2014 23:57:38 Nishanth Menon wrote: > > based on automated testing with u-boot as a chained > > bootloader.. > > > > v3.18: boots fine: > > https://github.com/nmenon/kernel-test-logs/blob/v3.18/omap2plu > > s_defconfig/n900.txt > > > > v3.19-rc1: hung > > https://github.com/nmenon/kernel-test-logs/blob/v3.19-rc1/omap > > 2plus_defconfig/n900.txt > > > > in the interim, my farm had a bit of breakdown around the time > > of n900 breakdown.. > > > > as per my last functional linux-next logs: > > https://github.com/nmenon/kernel-test-logs/blob/next-20141204/ > > omap2plus_defconfig/n900.txt -> hung. > > https://github.com/nmenon/kernel-test-logs/blob/next-20141112/ > > omap2plus_defconfig/n900.txt -> working. > > > > DEBUG_LL, CONFIG_DEBUG_OMAP3UART3=y and early_printk did not > > yield information either > > > > Note: I am using the combined uImage+dtb image.[2] > > > > I think this might just be my setup..(i use chained loader -> > > NOLO->u-boot->serial download->kernel) but anyways.. Since > > Pali thought others might be interested in sharing > > experience... > > > > [1] http://slexy.org/raw/s2osxhhwbR > > [2] > > https://github.com/nmenon/linux-2.6-playground/commit/177f5f71 > > b3f21ea484ee4b09a2e0c015de522417 > > CCing other people. > > I see same problem in qemu with 3.19-rc1 kernel when doing DT > boot. In qemu I'm using direct booting from OneNAND (X-Loader --> > NOLO --> kernel) without U-Boot. After NOLO load & boot kernel I > do not see any other output from serial console. Also on qemu > screen there is no new output (just NOKIA logo from bootloader). > > I do not have this problem when doing legacy/board code boot with > 3.19-rc1 kernel, so this problem is related to DT. > > Kernel 3.18-rc1 worked fine for both DT and legacy boot. > > Can somebody look what broke DT booting? You should be able to apply this to get it back to boot. diff --git a/arch/arm/boot/dts/omap3-n900.dts b/arch/arm/boot/dts/omap3-n900.dts index 53f3ca0..7c17d084 100644 --- a/arch/arm/boot/dts/omap3-n900.dts +++ b/arch/arm/boot/dts/omap3-n900.dts @@ -13,9 +13,16 @@ #include <dt-bindings/input/input.h> / { - model = "Nokia N900"; + model = "Nokia RX-51 board"; compatible = "nokia,omap3-n900", "ti,omap3430", "ti,omap3"; + aliases { + i2c0; + i2c1 = &i2c1; + i2c2 = &i2c2; + i2c3 = &i2c3; + }; + cpus { cpu@0 { cpu0-supply = <&vcc>; @@ -26,7 +33,7 @@ compatible = "gpio-leds"; heartbeat { label = "debug::sleep"; - gpios = <&gpio6 2 GPIO_ACTIVE_HIGH>; /* gpio162 */ + gpios = <&gpio6 2 GPIO_ACTIVE_HIGH>; /* 162 */ linux,default-trigger = "default-on"; pinctrl-names = "default"; pinctrl-0 = <&debug_leds>; @@ -140,14 +147,6 @@ >; }; - ethernet_pins: pinmux_ethernet_pins { - pinctrl-single,pins = < - OMAP3_CORE1_IOPAD(0x20b4, PIN_INPUT_PULLDOWN | MUX_MODE4) /* gpmc_ncs3.gpio_54 */ - OMAP3_CORE1_IOPAD(0x20fc, PIN_OUTPUT | MUX_MODE4) /* dss_data16.gpio_86 */ - OMAP3_CORE1_IOPAD(0x219c, PIN_OUTPUT | MUX_MODE4) /* uart3_rts_sd.gpio_164 */ - >; - }; - gpmc_pins: pinmux_gpmc_pins { pinctrl-single,pins = < @@ -307,7 +306,7 @@ regulator-name = "V28"; regulator-min-microvolt = <2800000>; regulator-max-microvolt = <2800000>; - regulator-always-on; /* due battery cover sensor */ + regulator-always-on; /* due to battery cover sensor */ }; &vaux2 { @@ -365,7 +364,6 @@ regulator-name = "VIO"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; - }; &vintana1 { @@ -504,30 +502,6 @@ clock-mode = /bits/ 8 <0>; /* LP55XX_CLOCK_AUTO */ enable-gpio = <&gpio2 9 GPIO_ACTIVE_HIGH>; /* 41 */ - chan0 { - chan-name = "lp5523:kb1"; - led-cur = /bits/ 8 <50>; - max-cur = /bits/ 8 <100>; - }; - - chan1 { - chan-name = "lp5523:kb2"; - led-cur = /bits/ 8 <50>; - max-cur = /bits/ 8 <100>; - }; - - chan2 { - chan-name = "lp5523:kb3"; - led-cur = /bits/ 8 <50>; - max-cur = /bits/ 8 <100>; - }; - - chan3 { - chan-name = "lp5523:kb4"; - led-cur = /bits/ 8 <50>; - max-cur = /bits/ 8 <100>; - }; - chan4 { chan-name = "lp5523:b"; led-cur = /bits/ 8 <50>; @@ -545,18 +519,6 @@ led-cur = /bits/ 8 <50>; max-cur = /bits/ 8 <100>; }; - - chan7 { - chan-name = "lp5523:kb5"; - led-cur = /bits/ 8 <50>; - max-cur = /bits/ 8 <100>; - }; - - chan8 { - chan-name = "lp5523:kb6"; - led-cur = /bits/ 8 <50>; - max-cur = /bits/ 8 <100>; - }; }; bq27200: bq27200@55 { @@ -564,6 +526,7 @@ reg = <0x55>; }; + /* Stereo headphone amplifier */ tpa6130a2: tpa6130a2@60 { compatible = "ti,tpa6130a2"; reg = <0x60>; @@ -596,6 +559,22 @@ ti,usb-charger-detection = <&isp1704>; }; + + adp1653: led-controller@30 { + compatible = "adi,adp1653"; + reg = <0x30>; + gpios = <&gpio3 24 GPIO_ACTIVE_HIGH>; /* 88 */ + + flash { + flash-timeout-microsec = <500000>; + flash-max-microamp = <320000>; + max-microamp = <50000>; + }; + + indicator { + max-microamp = <17500>; + }; + }; }; &i2c3 { @@ -603,6 +582,18 @@ pinctrl-0 = <&i2c3_pins>; clock-frequency = <400000>; + + /* bus 3, same as ad5820, et8ek8 */ + /* bus 2, adp1653, smiapp */ + ad5820: ad5820@c { + compatible = "adi,ad5820"; + reg = <0x0c>; + }; + + et8ek8: et8ek8@3e { + compatible = "et,et8ek8"; + reg = <0x3e>; + }; }; &mmc1 { @@ -699,43 +690,6 @@ reg = <0x004c0000 0x0fb40000>; }; }; - - ethernet@gpmc { - compatible = "smsc,lan91c94"; - - status = "disabled"; - - interrupt-parent = <&gpio2>; - interrupts = <22 IRQ_TYPE_LEVEL_HIGH>; /* gpio54 */ - reg = <1 0x300 0xf>; /* 16 byte IO range at offset 0x300 */ - bank-width = <2>; - pinctrl-names = "default"; - pinctrl-0 = <ðernet_pins>; - power-gpios = <&gpio3 22 GPIO_ACTIVE_HIGH>; /* gpio86 */ - reset-gpios = <&gpio6 4 GPIO_ACTIVE_HIGH>; /* gpio164 */ - gpmc,device-width = <2>; - gpmc,sync-clk-ps = <0>; - gpmc,cs-on-ns = <0>; - gpmc,cs-rd-off-ns = <48>; - gpmc,cs-wr-off-ns = <24>; - gpmc,adv-on-ns = <0>; - gpmc,adv-rd-off-ns = <0>; - gpmc,adv-wr-off-ns = <0>; - gpmc,we-on-ns = <12>; - gpmc,we-off-ns = <18>; - gpmc,oe-on-ns = <12>; - gpmc,oe-off-ns = <48>; - gpmc,page-burst-access-ns = <0>; - gpmc,access-ns = <42>; - gpmc,rd-cycle-ns = <180>; - gpmc,wr-cycle-ns = <180>; - gpmc,bus-turnaround-ns = <0>; - gpmc,cycle2cycle-delay-ns = <0>; - gpmc,wait-monitoring-ns = <0>; - gpmc,clk-activation-ns = <0>; - gpmc,wr-access-ns = <0>; - gpmc,wr-data-mux-bus-ns = <12>; - }; }; &mcspi1 { @@ -823,9 +777,21 @@ }; &uart2 { + compatible = "brcm,uart,bcm2048"; interrupts-extended = <&intc 73 &omap3_pmx_core OMAP3_UART2_RX>; pinctrl-names = "default"; pinctrl-0 = <&uart2_pins>; + + clocks = <&uart2_fck>, <&uart2_ick>; + clock-names = "fck", "ick"; + + device { + compatible = "brcm,bcm2048"; + reset-gpios = <&gpio3 27 GPIO_ACTIVE_HIGH>; /* 91 */ + host-wakeup-gpios = <&gpio4 5 GPIO_ACTIVE_HIGH>; /* 101 */ + bluetooth-wakeup-gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>; /* 37 */ + bt-sysclk = <2>; + }; }; &uart3 { -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
