tree 56456d9d84d3e55af57d06f5eca2b42d204f4e1d
parent 7eafe2da7b04a8531527f8f0058f8ee387f48cc4
author Potin Lai <potin.lai@quantatw.com> 1663222267 +0800
committer Patrick Williams <patrick@stwcx.xyz> 1663263799 +0000

meta-bletchley: bsp: increase vmalloc to 768M

We notice the spi-aspeed-smc driver failed to

Tested on QEMU with 2GB memory:

- vmalloc=512M: spi-aspeed-smc shows ioremap failed

root@bletchley:~# dmesg | grep "Kernel command line:"
[    0.000000] Kernel command line: console=ttyS4,57600n8 root=/dev/ram rw vmalloc=512M
root@bletchley:~# dmesg | grep spi-aspeed-smc
[    2.410462] spi-aspeed-smc 1e620000.spi: CE0 read buswidth:2 [0x203b0641]
[    4.908989] spi-aspeed-smc 1e620000.spi: Calibration area too uniform, using low speed
[    4.909416] spi-aspeed-smc 1e620000.spi: CE1 read buswidth:2 [0x203b0041]
[    4.968292] spi-aspeed-smc 1e631000.spi: ioremap failed for resource [mem 0x50000000-0x5fffffff]
[    4.969035] spi-aspeed-smc 1e631000.spi: missing AHB mapping window
[    4.969301] spi-aspeed-smc: probe of 1e631000.spi failed with error -12

- vmalloc=768M: spi-aspeed-smc probe successfully

root@bletchley:~# dmesg | grep "Kernel command line:"
[    0.000000] Kernel command line: console=ttyS4,57600n8 root=/dev/ram rw vmalloc=768M
root@bletchley:~# dmesg | grep spi-aspeed-smc
[    2.672402] spi-aspeed-smc 1e620000.spi: CE0 read buswidth:2 [0x203b0641]
[    2.844554] spi-aspeed-smc 1e620000.spi: Calibration area too uniform, using low speed
[    2.845442] spi-aspeed-smc 1e620000.spi: CE1 read buswidth:2 [0x203b0041]

Signed-off-by: Potin Lai <potin.lai@quantatw.com>
Change-Id: I7ad7a2127a103db7cbefd6d89d42bd780294ceb0