On 02/26/2016 08:52 AM, Stuart Yoder wrote: > From: Stuart Yoder <stuart.yo...@nxp.com> > > The per-PCI controller LUT (Look-Up-Table) is a 32-entry table > that maps PCI requester IDs (bus/dev/fun) to a stream ID. > > This patch implements infrastructure to enable LUT initialization: > -define registers offsets > -add an index to 'struct ls_pcie' to track next available slot in LUT > -add function to allocate the next available entry index > -add function to program a LUT entry > > Signed-off-by: Stuart Yoder <stuart.yo...@nxp.com> > --- > -v3 > -moved LUT #defines to immap_lsch3.h, made index > allocator return an int > > .../include/asm/arch-fsl-layerscape/immap_lsch3.h | 4 +++ > drivers/pci/pcie_layerscape.c | 29 > ++++++++++++++++++++ > 2 files changed, 33 insertions(+) > > diff --git a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h > b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h > index 91f3ce8..d04e336 100644 > --- a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h > +++ b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h > @@ -86,6 +86,10 @@ > #define PCIE_LUT_BASE 0x80000 > #define PCIE_LUT_LCTRL0 0x7F8 > #define PCIE_LUT_DBG 0x7FC > +#define PCIE_LUT_UDR(n) (0x800 + (n) * 8) > +#define PCIE_LUT_LDR(n) (0x804 + (n) * 8) > +#define PCIE_LUT_ENABLE (1 << 31) > +#define PCIE_LUT_ENTRY_COUNT 32 > > /* Device Configuration */ > #define DCFG_BASE 0x01e00000 > diff --git a/drivers/pci/pcie_layerscape.c b/drivers/pci/pcie_layerscape.c > index bb29222..8b1e6fb 100644 > --- a/drivers/pci/pcie_layerscape.c > +++ b/drivers/pci/pcie_layerscape.c > @@ -93,6 +93,7 @@ struct ls_pcie { > void __iomem *dbi; > void __iomem *va_cfg0; > void __iomem *va_cfg1; > + int next_lut_index; > struct pci_controller hose; > }; > > @@ -482,6 +483,33 @@ static void ls_pcie_setup_ep(struct ls_pcie *pcie, > struct ls_pcie_info *info) > } > } > > + > +/* > + * Return next available LUT index. > + */ > +static int ls_pcie_next_lut_index(struct ls_pcie *pcie) > +{ > + if (pcie->next_lut_index < PCIE_LUT_ENTRY_COUNT)
This causes compiling error on LS1043 targets. LS1043is lsch2 device. Please test your patch on all layerscape targets. York _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot