From 1d77040bde2d21dc7db575d4b43c1da24c94cca1 Mon Sep 17 00:00:00 2001 From: Mingkai Hu Date: Tue, 25 Oct 2016 20:36:56 +0800 Subject: PCI: layerscape: Add LS1046a support Add support for the LS1046a PCIe controller. This device has a different LUT_DBG offset, so add "lut_dbg" to ls_pcie_drvdata to describe this difference. [bhelgaas: changelog, remove now-unused PCIE_LUT_DBG] Signed-off-by: Mingkai Hu Signed-off-by: Minghuan Lian Signed-off-by: Bjorn Helgaas --- drivers/pci/host/pci-layerscape.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) (limited to 'drivers/pci/host') diff --git a/drivers/pci/host/pci-layerscape.c b/drivers/pci/host/pci-layerscape.c index bbd3d232b934..ca48ceb6ebaf 100644 --- a/drivers/pci/host/pci-layerscape.c +++ b/drivers/pci/host/pci-layerscape.c @@ -35,12 +35,10 @@ #define PCIE_STRFMR1 0x71c /* Symbol Timer & Filter Mask Register1 */ #define PCIE_DBI_RO_WR_EN 0x8bc /* DBI Read-Only Write Enable Register */ -/* PEX LUT registers */ -#define PCIE_LUT_DBG 0x7FC /* PEX LUT Debug Register */ - struct ls_pcie_drvdata { u32 lut_offset; u32 ltssm_shift; + u32 lut_dbg; struct pcie_host_ops *ops; }; @@ -134,7 +132,7 @@ static int ls_pcie_link_up(struct pcie_port *pp) struct ls_pcie *pcie = to_ls_pcie(pp); u32 state; - state = (ioread32(pcie->lut + PCIE_LUT_DBG) >> + state = (ioread32(pcie->lut + pcie->drvdata->lut_dbg) >> pcie->drvdata->ltssm_shift) & LTSSM_STATE_MASK; @@ -196,18 +194,28 @@ static struct ls_pcie_drvdata ls1021_drvdata = { static struct ls_pcie_drvdata ls1043_drvdata = { .lut_offset = 0x10000, .ltssm_shift = 24, + .lut_dbg = 0x7fc, + .ops = &ls_pcie_host_ops, +}; + +static struct ls_pcie_drvdata ls1046_drvdata = { + .lut_offset = 0x80000, + .ltssm_shift = 24, + .lut_dbg = 0x407fc, .ops = &ls_pcie_host_ops, }; static struct ls_pcie_drvdata ls2080_drvdata = { .lut_offset = 0x80000, .ltssm_shift = 0, + .lut_dbg = 0x7fc, .ops = &ls_pcie_host_ops, }; static const struct of_device_id ls_pcie_of_match[] = { { .compatible = "fsl,ls1021a-pcie", .data = &ls1021_drvdata }, { .compatible = "fsl,ls1043a-pcie", .data = &ls1043_drvdata }, + { .compatible = "fsl,ls1046a-pcie", .data = &ls1046_drvdata }, { .compatible = "fsl,ls2080a-pcie", .data = &ls2080_drvdata }, { .compatible = "fsl,ls2085a-pcie", .data = &ls2080_drvdata }, { }, -- cgit