Re: [PATCH] powerpc/32s: fix booting with CONFIG_PPC_EARLY_DEBUG_BOOTX

2019-06-11 Thread Michael Ellerman
On Mon, 2019-06-03 at 13:00:51 UTC, Christophe Leroy wrote: > When booting through OF, setup_disp_bat() does nothing because > disp_BAT are not set. By change, it used to work because BOOTX > buffer is mapped 1:1 at address 0x8100 by the bootloader, and > btext_setup_display() sets virt addr sa

Re: [PATCH] powerpc/32s: fix booting with CONFIG_PPC_EARLY_DEBUG_BOOTX

2019-06-06 Thread Mathieu Malaterre
On Wed, Jun 5, 2019 at 1:32 PM Mathieu Malaterre wrote: > > On Mon, Jun 3, 2019 at 3:00 PM Christophe Leroy > wrote: > > > > When booting through OF, setup_disp_bat() does nothing because > > disp_BAT are not set. By change, it used to work because BOOTX > > buffer is mapped 1:1 at address 0x810

Re: [PATCH] powerpc/32s: fix booting with CONFIG_PPC_EARLY_DEBUG_BOOTX

2019-06-05 Thread Mathieu Malaterre
On Mon, Jun 3, 2019 at 3:00 PM Christophe Leroy wrote: > > When booting through OF, setup_disp_bat() does nothing because > disp_BAT are not set. By change, it used to work because BOOTX > buffer is mapped 1:1 at address 0x8100 by the bootloader, and > btext_setup_display() sets virt addr same

[PATCH] powerpc/32s: fix booting with CONFIG_PPC_EARLY_DEBUG_BOOTX

2019-06-03 Thread Christophe Leroy
When booting through OF, setup_disp_bat() does nothing because disp_BAT are not set. By change, it used to work because BOOTX buffer is mapped 1:1 at address 0x8100 by the bootloader, and btext_setup_display() sets virt addr same as phys addr. But since commit 215b823707ce ("powerpc/32s: set u