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2011-07-15 Till Straumann <strauman@slac.stanford.edu>

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* shared/bootloader/mm.c, shared/bootloader/pci.c,
	shared/bootloader/qemu_fakeres.c, shared/bootloader/qemu_fakerom.S,
	shared/irq/irq.h, shared/motorola/motorola.c, shared/residual/residual.h,
	shared/startup/bspstart.c,
	Added 'qemuprep' BSP variant.
This commit is contained in:
Till Straumann
2011-07-16 01:29:05 +00:00
parent 9c39236d0d
commit 581272301a
9 changed files with 506 additions and 4 deletions
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19
c/src/lib/libbsp/powerpc/shared/bootloader/pci.c
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@@ -24,6 +24,7 @@
#include <libcpu/page.h>
#include <bsp/consoleIo.h>
#include <string.h>
#include <bsp.h>
#include <string.h>
@@ -480,6 +481,14 @@ static void reconfigure_pci(void) {
pci_resource *r;
struct pci_dev *dev;
u_long bus0_mem_start = BUS0_MEM_START;
u_long bus0_mem_end = BUS0_MEM_END;
if ( residual_fw_is_qemu( bd->residual ) ) {
bus0_mem_start += PREP_ISA_MEM_BASE;
bus0_mem_end += PREP_ISA_MEM_BASE;
}
/* FIXME: for now memory is relocated from low, it's better
* to start from higher addresses.
*/
@@ -489,7 +498,7 @@ static void reconfigure_pci(void) {
*/
init_free_area(&pci->io, BUS0_IO_START, BUS0_IO_END, 0xfff, 0);
init_free_area(&pci->mem, BUS0_MEM_START, BUS0_MEM_END, 0xfffff, 0);
init_free_area(&pci->mem, bus0_mem_start, bus0_mem_end, 0xfffff, 0);
/* First reconfigure the I/O space, this will be more
* complex when there is more than 1 bus. And 64 bits
@@ -520,6 +529,14 @@ static void reconfigure_pci(void) {
pci_bootloader_write_config_dword(r->dev,
PCI_BASE_ADDRESS_0+(r->reg<<2),
r->base);
if ( residual_fw_is_qemu( bd->residual ) && r->dev->sysdata ) {
if ( PCI_BASE_ADDRESS_SPACE_IO == (r->type & PCI_BASE_ADDRESS_SPACE) )
((pci_resource*)r->dev->sysdata)->cmd |= PCI_COMMAND_IO;
else
((pci_resource*)r->dev->sysdata)->cmd |= PCI_COMMAND_MEMORY;
}
if ((r->type&
(PCI_BASE_ADDRESS_SPACE|
PCI_BASE_ADDRESS_MEM_TYPE_MASK)) ==