[PATCH 2/3] arm: qemu: Enable PRE_CONSOLE_BUFFER

[Bin Meng]

On Wed, Aug 9, 2023 at 3:19 AM Alper Nebi Yasak
<alpernebiyasak at gmail.com> wrote:
>
> Commit 608b80b5b855 ("riscv: qemu: Enable PRE_CONSOLE_BUFFER") enables
> buffering console messages for QEMU RISC-V virtual machines so those
> printed before the video console is available will still show up on the
> display. Similarly, enable it for ARM virtual machines as well.
>
> Signed-off-by: Alper Nebi Yasak <alpernebiyasak at gmail.com>
> ---
> Not sure about the address, here are select values from bdinfo and env:
>
>     DRAM bank   = 0x0000000000000000
>     -> start    = 0x0000000040000000
>     -> size     = 0x0000000008000000
>     relocaddr   = 0x00000000476d6000
>     fdt_blob    = 0x0000000046595d90
>     lmb_dump_all:
>      memory.cnt = 0x1 / max = 0x10
>      memory[0]      [0x40000000-0x47ffffff], 0x08000000 bytes flags: 0
>      reserved.cnt = 0x2 / max = 0x10
>      reserved[0]    [0x45591000-0x47ffffff], 0x02a6f000 bytes flags: 0
>      reserved[1]    [0x46591760-0x47ffffff], 0x01a6e8a0 bytes flags: 0
>     TLB addr    = 0x0000000047fe0000
>     irq_sp      = 0x0000000046595d80
>     sp start    = 0x0000000046595d80
>
>     fdt_addr        = 0x40000000
>     scriptaddr      = 0x40200000
>     loadaddr        = 0x40200000
>     pxefile_addr_r  = 0x40300000
>     kernel_addr_r   = 0x40400000
>     ramdisk_addr_r  = 0x44000000
>     fdtcontroladdr  =   465e5ea0
>
>  arch/arm/Kconfig                 | 1 +
>  board/emulation/qemu-arm/Kconfig | 4 ++++
>  2 files changed, 5 insertions(+)
>

Reviewed-by: Bin Meng <bmeng at tinylab.org>