Re: [U-Boot] A23 u-boot with SPL / dram init available in my personal git repo
Hi, On 15-12-14 07:01, Ricky Xian wrote: Hi, I'm trying to boot from usb fel mode on A23. I have rebuilt your sunxi-wip branch, and try to run on my A23 (q88?) board, but it's failed in fel mode in executing. I think the u-boot-spl.bin can be used as A20, this's the website I refer to: http://docs.cubieboard.org/tutorials/cb2/development/booting_from_usb_in_fel_mode my testing instructions are: fel write address u-boot-spl.bin fel exec address the address for A20 is 0x2000, so that the DRAM will be initialized. but it's incorrect for A23 if the size reach 0x4000. can you please let me know how to use fel and your u-boot-spl.bin? I've just tested this, and it works fine for me using the following commands: make -j4 CROSS_COMPILE=arm-linux-gnu- Ippo_q8h_v1_2_felconfig Note the _felconfig rather then _defconfig at the end ! And then: make -j4 CROSS_COMPILE=arm-linux-gnu- sudo ~hans/bin/fel write 0x2000 spl/u-boot-spl.bin sudo ~hans/bin/fel exe 0x2000 sleep 0.5 sudo ~hans/bin/fel write 0x4a00 u-boot.bin sudo ~hans/bin/fel exe 0x4a00 Regards, Hans ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
Re: [U-Boot] A23 u-boot with SPL / dram init available in my personal git repo
Hi, I'm trying to boot from usb fel mode on A23. I have rebuilt your sunxi-wip branch, and try to run on my A23 (q88?) board, but it's failed in fel mode in executing. I think the u-boot-spl.bin can be used as A20, this's the website I refer to: http://docs.cubieboard.org/tutorials/cb2/development/booting_from_usb_in_fel_mode my testing instructions are: fel write address u-boot-spl.bin fel exec address the address for A20 is 0x2000, so that the DRAM will be initialized. but it's incorrect for A23 if the size reach 0x4000. can you please let me know how to use fel and your u-boot-spl.bin? Thanks! Ricky On Sunday, December 14, 2014 5:44:18 PM UTC+8, Hans de Goede wrote: > > Hi, > > On 13-12-14 17:07, Chen-Yu Tsai wrote: > > Hi, > > > > On Sat, Dec 13, 2014 at 9:58 PM, Hans de Goede > wrote: > >> Hi, > >> > >> On 09-12-14 13:31, Chen-Yu Tsai wrote: > >> > >> > >> > >>> Also I have a schematic file for A23 that someone provided me. > >>> I don't remember who... > >>> > >>> It lists: > >>> - ALDO2 connected to VCC-DLL @ 2.5V > >>> - ALDO3 to VCC-PLL and AVCC (analog power) @ 3.0V > >>> - DCDC1 to all the normal stuff @ 3V > >>> - DCDC2 to VDD-SYS @ 1.1V > >>> - DCDC3 to VDD-CPU (main cpu) @ 1.1V (1.26V in my fex file) > >>> - DCDC5 to VCC-DRAM @ 1.1V (1.5V in my fex file) > >>> - DC5LDO to VDD-CPUS (special cpu) > >> > >> > >> Thanks for this info! > >> > >> I've prepared a sun8i / A23 set for u-boot which I'll send upstream > >> as soon as I've verified that it does not break A31 support. > >> > >> One thing which I've done is make u-boot explicitly disable power > >> outputs which are unused, the specific target for this is DCDC4 > >> which is enabled by default at power on and not used on sun8i. > >> > >> As a side effect this also disabled ALDO1 which is enabled at power > >> on too, and guess what, promptly my sdcard stopped working. > >> > >> So it seems that ALDO1 is hookedup to the sdcard on the Ippo > >> tablets, for now I've also enabled ALDO1 in the defconfig for V5, it > would > >> be great if you could give my current sunxi-wip branch a try on your > >> V5 tablet, and if it works remove the setting of ALDO1 from the V5 > >> defconfig and then try again. If it is like my V1.2 then it will > >> stop booting when the SPL tries to load u-boot from the sdcard. > > > > I missed that one. ALDO1 is connected to VCC-IO (pin controller I > think), > > VCC-PD (whatever that is, it isn't on the datasheet, but the schematic > > implies it's part of the LCD block), VCC-USB (USB block in the SoC), > > VCC-IO-WIFI (pull-ups and stuff for mmc wifi), and HPVCC (builtin > > headphone amp). > > Thanks for the info. Weird thing is it is not listed in the fex, and > android on my Ippo Q8H v1.2 seems to set it to 2.5 volt, which is somewhat > lowish, it is below the minimum recommended voltage for Vusb (which is > 2.7) > and way below the minimum recommended voltage for HPVCC which is 3.0, > according to the A31 datasheet (the A23 datasheet does not list it). > > I've updated the defconfigs to set ALDO1 to 3.0 V and gave them a comment > to explain to which voltages it is connected. > > As for VCC-PD it is in the A23 datasheet, in the "pin description" chapter > under GPIO-D, it powers the port D gpio pins. > > Regards, > > Hans > ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
Re: [U-Boot] A23 u-boot with SPL / dram init available in my personal git repo
Hi, On 13-12-14 17:07, Chen-Yu Tsai wrote: Hi, On Sat, Dec 13, 2014 at 9:58 PM, Hans de Goede wrote: Hi, On 09-12-14 13:31, Chen-Yu Tsai wrote: Also I have a schematic file for A23 that someone provided me. I don't remember who... It lists: - ALDO2 connected to VCC-DLL @ 2.5V - ALDO3 to VCC-PLL and AVCC (analog power) @ 3.0V - DCDC1 to all the normal stuff @ 3V - DCDC2 to VDD-SYS @ 1.1V - DCDC3 to VDD-CPU (main cpu) @ 1.1V (1.26V in my fex file) - DCDC5 to VCC-DRAM @ 1.1V (1.5V in my fex file) - DC5LDO to VDD-CPUS (special cpu) Thanks for this info! I've prepared a sun8i / A23 set for u-boot which I'll send upstream as soon as I've verified that it does not break A31 support. One thing which I've done is make u-boot explicitly disable power outputs which are unused, the specific target for this is DCDC4 which is enabled by default at power on and not used on sun8i. As a side effect this also disabled ALDO1 which is enabled at power on too, and guess what, promptly my sdcard stopped working. So it seems that ALDO1 is hookedup to the sdcard on the Ippo tablets, for now I've also enabled ALDO1 in the defconfig for V5, it would be great if you could give my current sunxi-wip branch a try on your V5 tablet, and if it works remove the setting of ALDO1 from the V5 defconfig and then try again. If it is like my V1.2 then it will stop booting when the SPL tries to load u-boot from the sdcard. I missed that one. ALDO1 is connected to VCC-IO (pin controller I think), VCC-PD (whatever that is, it isn't on the datasheet, but the schematic implies it's part of the LCD block), VCC-USB (USB block in the SoC), VCC-IO-WIFI (pull-ups and stuff for mmc wifi), and HPVCC (builtin headphone amp). Thanks for the info. Weird thing is it is not listed in the fex, and android on my Ippo Q8H v1.2 seems to set it to 2.5 volt, which is somewhat lowish, it is below the minimum recommended voltage for Vusb (which is 2.7) and way below the minimum recommended voltage for HPVCC which is 3.0, according to the A31 datasheet (the A23 datasheet does not list it). I've updated the defconfigs to set ALDO1 to 3.0 V and gave them a comment to explain to which voltages it is connected. As for VCC-PD it is in the A23 datasheet, in the "pin description" chapter under GPIO-D, it powers the port D gpio pins. Regards, Hans ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
Re: [U-Boot] A23 u-boot with SPL / dram init available in my personal git repo
Hi, On Sat, Dec 13, 2014 at 9:58 PM, Hans de Goede wrote: > Hi, > > On 09-12-14 13:31, Chen-Yu Tsai wrote: > > > >> Also I have a schematic file for A23 that someone provided me. >> I don't remember who... >> >> It lists: >>- ALDO2 connected to VCC-DLL @ 2.5V >>- ALDO3 to VCC-PLL and AVCC (analog power) @ 3.0V >>- DCDC1 to all the normal stuff @ 3V >>- DCDC2 to VDD-SYS @ 1.1V >>- DCDC3 to VDD-CPU (main cpu) @ 1.1V (1.26V in my fex file) >>- DCDC5 to VCC-DRAM @ 1.1V (1.5V in my fex file) >>- DC5LDO to VDD-CPUS (special cpu) > > > Thanks for this info! > > I've prepared a sun8i / A23 set for u-boot which I'll send upstream > as soon as I've verified that it does not break A31 support. > > One thing which I've done is make u-boot explicitly disable power > outputs which are unused, the specific target for this is DCDC4 > which is enabled by default at power on and not used on sun8i. > > As a side effect this also disabled ALDO1 which is enabled at power > on too, and guess what, promptly my sdcard stopped working. > > So it seems that ALDO1 is hookedup to the sdcard on the Ippo > tablets, for now I've also enabled ALDO1 in the defconfig for V5, it would > be great if you could give my current sunxi-wip branch a try on your > V5 tablet, and if it works remove the setting of ALDO1 from the V5 > defconfig and then try again. If it is like my V1.2 then it will > stop booting when the SPL tries to load u-boot from the sdcard. I missed that one. ALDO1 is connected to VCC-IO (pin controller I think), VCC-PD (whatever that is, it isn't on the datasheet, but the schematic implies it's part of the LCD block), VCC-USB (USB block in the SoC), VCC-IO-WIFI (pull-ups and stuff for mmc wifi), and HPVCC (builtin headphone amp). Others I failed to mention: ELDO2 to DVDD1V8-CSI @ 1.8V GPIO0 to AVDD-CSI @ 2.8V DC1SW to VCC-LCD @ 3V (this is just a switchable output of DCDC1) Hope this helps. ChenYu ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
Re: [U-Boot] A23 u-boot with SPL / dram init available in my personal git repo
Hi, On 09-12-14 13:31, Chen-Yu Tsai wrote: Also I have a schematic file for A23 that someone provided me. I don't remember who... It lists: - ALDO2 connected to VCC-DLL @ 2.5V - ALDO3 to VCC-PLL and AVCC (analog power) @ 3.0V - DCDC1 to all the normal stuff @ 3V - DCDC2 to VDD-SYS @ 1.1V - DCDC3 to VDD-CPU (main cpu) @ 1.1V (1.26V in my fex file) - DCDC5 to VCC-DRAM @ 1.1V (1.5V in my fex file) - DC5LDO to VDD-CPUS (special cpu) Thanks for this info! I've prepared a sun8i / A23 set for u-boot which I'll send upstream as soon as I've verified that it does not break A31 support. One thing which I've done is make u-boot explicitly disable power outputs which are unused, the specific target for this is DCDC4 which is enabled by default at power on and not used on sun8i. As a side effect this also disabled ALDO1 which is enabled at power on too, and guess what, promptly my sdcard stopped working. So it seems that ALDO1 is hookedup to the sdcard on the Ippo tablets, for now I've also enabled ALDO1 in the defconfig for V5, it would be great if you could give my current sunxi-wip branch a try on your V5 tablet, and if it works remove the setting of ALDO1 from the V5 defconfig and then try again. If it is like my V1.2 then it will stop booting when the SPL tries to load u-boot from the sdcard. Regards, Hans ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
Re: [U-Boot] A23 u-boot with SPL / dram init available in my personal git repo
On Tue, Dec 9, 2014 at 6:25 PM, Hans de Goede wrote: > On 09-12-14 11:17, Chen-Yu Tsai wrote: >> On Tue, Dec 9, 2014 at 2:53 AM, Hans de Goede wrote: >>> On 08-12-14 15:28, Chen-Yu Tsai wrote: On Mon, Dec 8, 2014 at 4:27 AM, Hans de Goede wrote: > > > Hi, > > This is still a bit rough around the edges, I'll clean it up as > time permits and then post it upstream. > > In the mean time people interested can find $subject here: > https://github.com/jwrdegoede/u-boot-sunxi/commits/sunxi-wip Hopefully I'll get around to testing this. BTW, what tablet do you have? >>> >>> >>> >>> I've an Ippo q8h v1.2, there are at least 2 differences from the >>> v5 you've. The dram clk speed and zq value are different, and the wifi >>> is different. The wifi does not matter for u-boot, but does mean we >>> need separate dtb files for the 2. >>> >>> My u-boot sunxi-wip branch has a defconfig for the v1.2, you should be >>> able to copy that over to the v5 defconfig, adjust dram clk and zq values >>> with the ones from the v5 fix, change v1.2 to v5 in the CONFIG_FDTFILE >>> setting and thats it. >>> >>> Let me know if this works, then I'll also include an update for the v5 >>> defconfig to enable the SPL when I send this upstream. >> >> >> Just gave it a spin, and it works. The dram clock and zq can be >> found in sunxi-boards. > > > Good, I'll update my patch-set to reflect this. > >> Note that the actual settings fetched from >> stock u-boot has the highest bit of tpr13 set, disabling auto >> detection AFAICU. As you've not implemented that part, I used >> auto detection and it seems to work. > > > It is implemented in the actual dram_init code, but for now I've > all the dram_paras hardcoded except the clk and the zq value. If > autodetect works I see no reason to change this, but for future models, > if necessary the code for dealing with manual config is there, to test > just put the values directly in the dram_para struct at the top of > dram_sun8i.c . > >> The only problem I have now is it has no connectivity to the >> outside world lol. I would've liked a v2, with a Realtek USB >> WiFi chip. What chip does the v1.2 have? > > > An sdio based chip, the RDA RDA5990P, as mentioned here: > > http://linux-sunxi.org/Ippo_q8h#Q8H-V1.2 Not sure this would require a different DT. Probably the GPIOs are different. > It does have an empty spot on the pcb for a usb wifi module, I plan to > hookup a usb connector to that one of these days, and see if I can get > a USB host working this way. I should do that too. Nice way to hook up ethernet. Small problem would be getting 5V from the board for VBUS. Also I have a schematic file for A23 that someone provided me. I don't remember who... It lists: - ALDO2 connected to VCC-DLL @ 2.5V - ALDO3 to VCC-PLL and AVCC (analog power) @ 3.0V - DCDC1 to all the normal stuff @ 3V - DCDC2 to VDD-SYS @ 1.1V - DCDC3 to VDD-CPU (main cpu) @ 1.1V (1.26V in my fex file) - DCDC5 to VCC-DRAM @ 1.1V (1.5V in my fex file) - DC5LDO to VDD-CPUS (special cpu) > ChenYu, this also has a mmc fix which you may find interesting, > it may explain some of the problems with mmc you've been having > on both the A80 board, as well as the A31 dev board you've. Yes. With that fix my Hummingbird A31 boots properly without raising DCDC1 to 3.3V. Thanks! I'll send the defconfig out later. >>> >>> >>> >>> Good, so I guess this means that DCDC1 should be 3V for your board, >>> since that is what the factory firmware uses, right ? >>> >>> I guess it is time to make DCDC1 voltage configurable. >> >> >> 3V seems to be the lowest tolerable voltage for some bits. Making it >> 3.3V might be a bit better. But with my light usage, I don't see any >> stability issues. > > > Right, I guess 3V is used to safe battery, which makes sense (in tablets / > phones) > > As said I'll make this configurable making 3V the default and set 3V3 > in the defconfig where the original firmware does that. Thanks! ChenYu ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
Re: [U-Boot] A23 u-boot with SPL / dram init available in my personal git repo
Hi, On 09-12-14 11:17, Chen-Yu Tsai wrote: Hi, On Tue, Dec 9, 2014 at 2:53 AM, Hans de Goede wrote: Hi, On 08-12-14 15:28, Chen-Yu Tsai wrote: On Mon, Dec 8, 2014 at 4:27 AM, Hans de Goede wrote: Hi, This is still a bit rough around the edges, I'll clean it up as time permits and then post it upstream. In the mean time people interested can find $subject here: https://github.com/jwrdegoede/u-boot-sunxi/commits/sunxi-wip Hopefully I'll get around to testing this. BTW, what tablet do you have? I've an Ippo q8h v1.2, there are at least 2 differences from the v5 you've. The dram clk speed and zq value are different, and the wifi is different. The wifi does not matter for u-boot, but does mean we need separate dtb files for the 2. My u-boot sunxi-wip branch has a defconfig for the v1.2, you should be able to copy that over to the v5 defconfig, adjust dram clk and zq values with the ones from the v5 fix, change v1.2 to v5 in the CONFIG_FDTFILE setting and thats it. Let me know if this works, then I'll also include an update for the v5 defconfig to enable the SPL when I send this upstream. Just gave it a spin, and it works. The dram clock and zq can be found in sunxi-boards. Good, I'll update my patch-set to reflect this. Note that the actual settings fetched from stock u-boot has the highest bit of tpr13 set, disabling auto detection AFAICU. As you've not implemented that part, I used auto detection and it seems to work. It is implemented in the actual dram_init code, but for now I've all the dram_paras hardcoded except the clk and the zq value. If autodetect works I see no reason to change this, but for future models, if necessary the code for dealing with manual config is there, to test just put the values directly in the dram_para struct at the top of dram_sun8i.c . The only problem I have now is it has no connectivity to the outside world lol. I would've liked a v2, with a Realtek USB WiFi chip. What chip does the v1.2 have? An sdio based chip, the RDA RDA5990P, as mentioned here: http://linux-sunxi.org/Ippo_q8h#Q8H-V1.2 It does have an empty spot on the pcb for a usb wifi module, I plan to hookup a usb connector to that one of these days, and see if I can get a USB host working this way. ChenYu, this also has a mmc fix which you may find interesting, it may explain some of the problems with mmc you've been having on both the A80 board, as well as the A31 dev board you've. Yes. With that fix my Hummingbird A31 boots properly without raising DCDC1 to 3.3V. Thanks! I'll send the defconfig out later. Good, so I guess this means that DCDC1 should be 3V for your board, since that is what the factory firmware uses, right ? I guess it is time to make DCDC1 voltage configurable. 3V seems to be the lowest tolerable voltage for some bits. Making it 3.3V might be a bit better. But with my light usage, I don't see any stability issues. Right, I guess 3V is used to safe battery, which makes sense (in tablets / phones) As said I'll make this configurable making 3V the default and set 3V3 in the defconfig where the original firmware does that. Regards, Hans ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
Re: [U-Boot] A23 u-boot with SPL / dram init available in my personal git repo
Hi, On Tue, Dec 9, 2014 at 2:53 AM, Hans de Goede wrote: > Hi, > > On 08-12-14 15:28, Chen-Yu Tsai wrote: >> >> On Mon, Dec 8, 2014 at 4:27 AM, Hans de Goede wrote: >>> >>> Hi, >>> >>> This is still a bit rough around the edges, I'll clean it up as >>> time permits and then post it upstream. >>> >>> In the mean time people interested can find $subject here: >>> https://github.com/jwrdegoede/u-boot-sunxi/commits/sunxi-wip >> >> >> Hopefully I'll get around to testing this. BTW, what tablet do >> you have? > > > I've an Ippo q8h v1.2, there are at least 2 differences from the > v5 you've. The dram clk speed and zq value are different, and the wifi > is different. The wifi does not matter for u-boot, but does mean we > need separate dtb files for the 2. > > My u-boot sunxi-wip branch has a defconfig for the v1.2, you should be > able to copy that over to the v5 defconfig, adjust dram clk and zq values > with the ones from the v5 fix, change v1.2 to v5 in the CONFIG_FDTFILE > setting and thats it. > > Let me know if this works, then I'll also include an update for the v5 > defconfig to enable the SPL when I send this upstream. Just gave it a spin, and it works. The dram clock and zq can be found in sunxi-boards. Note that the actual settings fetched from stock u-boot has the highest bit of tpr13 set, disabling auto detection AFAICU. As you've not implemented that part, I used auto detection and it seems to work. The only problem I have now is it has no connectivity to the outside world lol. I would've liked a v2, with a Realtek USB WiFi chip. What chip does the v1.2 have? >>> ChenYu, this also has a mmc fix which you may find interesting, >>> it may explain some of the problems with mmc you've been having >>> on both the A80 board, as well as the A31 dev board you've. >> >> >> Yes. With that fix my Hummingbird A31 boots properly without >> raising DCDC1 to 3.3V. >> >> Thanks! I'll send the defconfig out later. > > > Good, so I guess this means that DCDC1 should be 3V for your board, > since that is what the factory firmware uses, right ? > > I guess it is time to make DCDC1 voltage configurable. 3V seems to be the lowest tolerable voltage for some bits. Making it 3.3V might be a bit better. But with my light usage, I don't see any stability issues. ChenYu ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
Re: [U-Boot] A23 u-boot with SPL / dram init available in my personal git repo
On Sun, Dec 07, 2014 at 09:27:27PM +0100, Hans de Goede wrote: > Hi, > > This is still a bit rough around the edges, I'll clean it up as > time permits and then post it upstream. > > In the mean time people interested can find $subject here: > https://github.com/jwrdegoede/u-boot-sunxi/commits/sunxi-wip > > ChenYu, this also has a mmc fix which you may find interesting, > it may explain some of the problems with mmc you've been having > on both the A80 board, as well as the A31 dev board you've. Wow, very cool, including PMIC support et al. Thanks a lot :) Maxime -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com signature.asc Description: Digital signature ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
Re: [U-Boot] A23 u-boot with SPL / dram init available in my personal git repo
Hi, On 08-12-14 15:28, Chen-Yu Tsai wrote: On Mon, Dec 8, 2014 at 4:27 AM, Hans de Goede wrote: Hi, This is still a bit rough around the edges, I'll clean it up as time permits and then post it upstream. In the mean time people interested can find $subject here: https://github.com/jwrdegoede/u-boot-sunxi/commits/sunxi-wip Hopefully I'll get around to testing this. BTW, what tablet do you have? I've an Ippo q8h v1.2, there are at least 2 differences from the v5 you've. The dram clk speed and zq value are different, and the wifi is different. The wifi does not matter for u-boot, but does mean we need separate dtb files for the 2. My u-boot sunxi-wip branch has a defconfig for the v1.2, you should be able to copy that over to the v5 defconfig, adjust dram clk and zq values with the ones from the v5 fix, change v1.2 to v5 in the CONFIG_FDTFILE setting and thats it. Let me know if this works, then I'll also include an update for the v5 defconfig to enable the SPL when I send this upstream. ChenYu, this also has a mmc fix which you may find interesting, it may explain some of the problems with mmc you've been having on both the A80 board, as well as the A31 dev board you've. Yes. With that fix my Hummingbird A31 boots properly without raising DCDC1 to 3.3V. Thanks! I'll send the defconfig out later. Good, so I guess this means that DCDC1 should be 3V for your board, since that is what the factory firmware uses, right ? I guess it is time to make DCDC1 voltage configurable. Regards, Hans ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
Re: [U-Boot] A23 u-boot with SPL / dram init available in my personal git repo
On Mon, Dec 8, 2014 at 4:27 AM, Hans de Goede wrote: > Hi, > > This is still a bit rough around the edges, I'll clean it up as > time permits and then post it upstream. > > In the mean time people interested can find $subject here: > https://github.com/jwrdegoede/u-boot-sunxi/commits/sunxi-wip Hopefully I'll get around to testing this. BTW, what tablet do you have? > ChenYu, this also has a mmc fix which you may find interesting, > it may explain some of the problems with mmc you've been having > on both the A80 board, as well as the A31 dev board you've. Yes. With that fix my Hummingbird A31 boots properly without raising DCDC1 to 3.3V. Thanks! I'll send the defconfig out later. ChenYu ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
Re: [U-Boot] A23 u-boot with SPL / dram init available in my personal git repo
On Sunday, December 7, 2014 9:27:37 PM UTC+1, Hans de Goede wrote: > Hi, > > This is still a bit rough around the edges, I'll clean it up as > time permits and then post it upstream. Hip, Hip Hooray. Thank you. How did you pull it off? Did you find documentation somewhere? Or by piecing things together? > > In the mean time people interested can find $subject here: > https://github.com/jwrdegoede/u-boot-sunxi/commits/sunxi-wip > > ChenYu, this also has a mmc fix which you may find interesting, > it may explain some of the problems with mmc you've been having > on both the A80 board, as well as the A31 dev board you've. > > Regards, > > Hans ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
[U-Boot] A23 u-boot with SPL / dram init available in my personal git repo
Hi, This is still a bit rough around the edges, I'll clean it up as time permits and then post it upstream. In the mean time people interested can find $subject here: https://github.com/jwrdegoede/u-boot-sunxi/commits/sunxi-wip ChenYu, this also has a mmc fix which you may find interesting, it may explain some of the problems with mmc you've been having on both the A80 board, as well as the A31 dev board you've. Regards, Hans ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot