Hi Mohamed,
on the rpi4 there's a global offset used in Linux's device tree (check
for ranges statement in bcm2711.dtsi). The address of the sdhc/mmc
controller rather is 0xfe30. Also use 0x7e + 32 for the IRQ to
consider it's an SPI.
Adam
On Wed Oct 07, 2020 at 20:28:44 +0200, Mohamed
Hi L4 Team,
I am trying to access SD card of Raspberry Pi 4 But the IO fail with
IO | new iomem region: p=007e00 v=40 s=40
(bmb=0x24370)
IO | map mem: p=007e30 v=70 s=1000: failed(-12)
VMM: FATAL: Insufficient memory
Can you help me on what I
