diff options
| author | Paul Brook <paul@codesourcery.com> | 2009-12-21 20:19:12 +0000 |
|---|---|---|
| committer | Paul Brook <paul@codesourcery.com> | 2009-12-21 20:19:12 +0000 |
| commit | 21a88941686b3626aa7b98660b1e1fa88cb064ec (patch) | |
| tree | 894ff71680174cdca50f0c8983e40faf84ebe366 | |
| parent | 209bf9658a42a20756f2f0eb5afa1ecf099263f0 (diff) | |
ARM PBX-A9 memory map tweaks
Add core tile memeory to the RealView PBX-A9 board. Document the
memeory maps that are known to work with the qemu bootloader.
Signed-off-by: Paul Brook <paul@codesourcery.com>
| -rw-r--r-- | hw/realview.c | 12 | ||||
| -rw-r--r-- | qemu-doc.texi | 13 |
2 files changed, 21 insertions, 4 deletions
diff --git a/hw/realview.c b/hw/realview.c index fd2d6be715..f786699a1c 100644 --- a/hw/realview.c +++ b/hw/realview.c @@ -192,11 +192,19 @@ static void realview_init(ram_addr_t ram_size, proc_id = 0x02000000; } + if (is_pb && ram_size > 0x20000000) { + /* Core tile RAM. */ + low_ram_size = ram_size - 0x20000000; + ram_size = 0x20000000; + ram_offset = qemu_ram_alloc(low_ram_size); + cpu_register_physical_memory(0x20000000, low_ram_size, + ram_offset | IO_MEM_RAM); + } + ram_offset = qemu_ram_alloc(ram_size); low_ram_size = ram_size; if (low_ram_size > 0x10000000) low_ram_size = 0x10000000; - /* ??? RAM should repeat to fill physical memory space. */ /* SDRAM at address zero. */ cpu_register_physical_memory(0, low_ram_size, ram_offset | IO_MEM_RAM); if (is_pb) { @@ -356,7 +364,7 @@ static void realview_init(ram_addr_t ram_size, realview_binfo.initrd_filename = initrd_filename; realview_binfo.nb_cpus = smp_cpus; realview_binfo.board_id = realview_board_id[board_type]; - realview_binfo.loader_start = is_pb ? 0x70000000 : 0; + realview_binfo.loader_start = (board_type == BOARD_PB_A8 ? 0x70000000 : 0); arm_load_kernel(first_cpu, &realview_binfo); } diff --git a/qemu-doc.texi b/qemu-doc.texi index 7b8488f7f7..2fb5c0b249 100644 --- a/qemu-doc.texi +++ b/qemu-doc.texi @@ -1659,8 +1659,17 @@ LSI53C895A PCI SCSI Host Bus Adapter with hard disk and CD-ROM devices. PL181 MultiMedia Card Interface with SD card. @end itemize -The ARM RealView Emulation/Platform baseboard is emulated with the following -devices: +Several variants of the ARM RealView baseboard are emulated, +including the EB, PB-A8 and PBX-A9. Due to interactions with the +bootloader, only certain Linux kernel configurations work out +of the box on these boards. + +Kernels for the PB-A8 board should have CONFIG_REALVIEW_HIGH_PHYS_OFFSET +enabled in the kernel, and expect 512M RAM. Kernels for The PBX-A9 board +should have CONFIG_SPARSEMEM enabled, CONFIG_REALVIEW_HIGH_PHYS_OFFSET +disabled and expect 1024M RAM. + +The following devices are emuilated: @itemize @minus @item |