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powerpc/powernv: Add support for p5ioc2 PCI-X and PCIe

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This adds support for PCI-X and PCIe on the p5ioc2 IO hub using
OPAL. This includes allocating & setting up TCE tables and config
space access routines.

This also supports fallbacks via RTAS when OPAL is absent, using
legacy TCE format pre-allocated via the device-tree (BML style)

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Benjamin Herrenschmidt
2011-09-19 17:45:05 +00:00
parent ed79ba9e15
commit 61305a96fa
6 changed files with 518 additions and 1 deletions
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3
arch/powerpc/platforms/powernv/setup.c
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@@ -40,7 +40,8 @@ static void __init pnv_setup_arch(void)
/* Initialize SMP */
pnv_smp_init();
/* XXX PCI */
/* Setup PCI */
pnv_pci_init();
/* Setup RTC and NVRAM callbacks */
if (firmware_has_feature(FW_FEATURE_OPAL))