On 3/8/22 10:47, Lei Yu wrote:
> On Tue, Mar 8, 2022 at 5:30 PM Cédric Le Goater <clg at kaod.org> wrote:
>>
>> Hello Lei,
>>
>> On 3/8/22 02:53, Lei Yu wrote:
>>> On Mon, Mar 7, 2022 at 9:06 PM Cédric Le Goater <clg at kaod.org> wrote:
>>>>
>>>> Hello,
>>>>
>>>> On 3/7/22 10:41, Lei Yu wrote:
>>>>> We hit some issues with the new driver, and here is some detailed info.
>>>>>
>>>>> * Our system (not yet upstreamed) uses `mx66l51235f` as the FMC SPI
>>>>> flash, and we created a QEMU model.
>>>>>
>>>>> * When the dts is like "default":
>>>>> &fmc {
>>>>> pinctrl-names = "default";
>>>>> status = "okay";
>>>>> flash at 0 {
>>>>> status = "okay";
>>>>> m25p,fast-read;
>>>>> label = "bmc";
>>>>> spi-max-frequency = <50000000>;
>>>>> #include "openbmc-flash-layout-64.dtsi"
>>>>> };
>>>>> };
>>>>> 1. Run the image in ast2600-evb QEMU, it boots fine;
>>>>> 2. We have a model (g220b) in QEMU that uses mx66l51235f as the fmc
>>>>> SPI (`amc->fmc_model = "mx66l51235f";`), it boots with below error:
>>>>> [ 1.848286] vmap allocation for size 268439552 failed: use
>>>>> vmalloc=<size> to increase size
>>>>> [ 1.848774] spi-aspeed-smc 1e620000.spi: ioremap failed for
>>>>> resource [mem 0x20000000-0x2fffffff]
>>>>> [ 1.849898] spi-aspeed-smc: probe of 1e620000.spi failed with error -12
>>>>> 3. If I manually add vmalloc to the kernel command line (setenv
>>>>> bootargs 'console=ttyS4,115200n8 root=/dev/ram rw vmalloc=400M'), the
>>>>> above QEMU model boots fine.
>>>>> 4. On the real system, it behaves the same as QEMU, that I need to add
>>>>> `vmalloc=400M` to make it boot OK.
>>>>
>>>> I don't see why. Is that the same kernel version and config ?
>>>>
>>>> May be check the allocations in
>>>>
>>>> /proc/vmallocinfo
>>>
>>> It shows a large area as below:
>>>
>>> 0xc1d30472-0x406b4a0c 268439552 __devm_ioremap_resource+0x178/0x1f0
>>> phys=0x20000000 ioremap
>>
>> Is CONFIG_VMSPLIT_2G set ?
>
> Yes, it's enabled in aspeed-g6/defconfig
The OpenBMC tree only has a aspeed_g5_defconfig.
How much RAM do you have ? Could check the totals in meminfo ?
Thanks,
C.