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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2016-07-07 11:49:56 +1000 |
|---|---|---|
| committer | Stewart Smith <stewart@linux.vnet.ibm.com> | 2016-07-08 17:32:25 +1000 |
| commit | dc21b4db3a2ed9a119b0555b622723cf48330a59 (patch) | |
| tree | 87e09040f1122971c573a2894f43239d031c69e7 /core/pci-opal.c | |
| parent | 7609fd61960f1e6e4a316aca1d7ab665cc4487ca (diff) | |
| download | skiboot-dc21b4db3a2ed9a119b0555b622723cf48330a59.zip skiboot-dc21b4db3a2ed9a119b0555b622723cf48330a59.tar.gz skiboot-dc21b4db3a2ed9a119b0555b622723cf48330a59.tar.bz2 | |
hw/phb4: Add initial support
This adds the base support for the PHB4. It currently only support
the M32 window, EEH or in general error recovery aren't supported
yet.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
[stewart@linux.vnet.ibm.com: update (C) year, fix indenting]
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Diffstat (limited to 'core/pci-opal.c')
| -rw-r--r-- | core/pci-opal.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/core/pci-opal.c b/core/pci-opal.c index c0f399c..ba8e27f 100644 --- a/core/pci-opal.c +++ b/core/pci-opal.c @@ -342,6 +342,27 @@ static int64_t opal_pci_msi_eoi(uint64_t phb_id, } opal_call(OPAL_PCI_MSI_EOI, opal_pci_msi_eoi, 2); +static int64_t opal_pci_tce_kill(uint64_t phb_id, + uint32_t kill_type, + uint32_t pe_num, uint32_t tce_size, + uint64_t dma_addr, uint32_t npages) +{ + struct phb *phb = pci_get_phb(phb_id); + int64_t rc; + + if (!phb) + return OPAL_PARAMETER; + if (!phb->ops->tce_kill) + return OPAL_UNSUPPORTED; + phb_lock(phb); + rc = phb->ops->tce_kill(phb, kill_type, pe_num, tce_size, + dma_addr, npages); + phb_unlock(phb); + + return rc; +} +opal_call(OPAL_PCI_TCE_KILL, opal_pci_tce_kill, 6); + static int64_t opal_pci_set_xive_pe(uint64_t phb_id, uint32_t pe_number, uint32_t xive_num) { |