diff options
| author | Hou Zhiqiang <Zhiqiang.Hou@nxp.com> | 2017-03-03 12:35:09 +0800 |
|---|---|---|
| committer | York Sun <york.sun@nxp.com> | 2017-03-28 09:21:13 -0700 |
| commit | 3d8553f0a3eea4a0b9b2f6b3ce247fee9c4232f2 (patch) | |
| tree | 0fb07a584a306930929569368772b7c8ae417421 /drivers/pci | |
| parent | 33ed57495ae7b442b364ff3ab55a836544700d5e (diff) | |
pci: layerscape: add LS2088A series SoC pcie support
The LS2088A series SoCs has different physical memory map address and
CCSR registers address against LS2080A series SoCs.
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/pcie_layerscape.c | 35 | ||||
| -rw-r--r-- | drivers/pci/pcie_layerscape.h | 8 |
2 files changed, 43 insertions, 0 deletions
diff --git a/drivers/pci/pcie_layerscape.c b/drivers/pci/pcie_layerscape.c index 47dd806ad2..1c5a33ac28 100644 --- a/drivers/pci/pcie_layerscape.c +++ b/drivers/pci/pcie_layerscape.c @@ -167,6 +167,27 @@ static void ls_pcie_setup_atu(struct ls_pcie *pcie) pci_get_regions(pcie->bus, &io, &mem, &pref); idx = PCIE_ATU_REGION_INDEX1 + 1; + /* Fix the pcie memory map for LS2088A series SoCs */ + svr = (svr >> SVR_VAR_PER_SHIFT) & 0xFFFFFE; + if (svr == SVR_LS2088A || svr == SVR_LS2084A || + svr == SVR_LS2048A || svr == SVR_LS2044A) { + if (io) + io->phys_start = (io->phys_start & + (PCIE_PHYS_SIZE - 1)) + + LS2088A_PCIE1_PHYS_ADDR + + LS2088A_PCIE_PHYS_SIZE * pcie->idx; + if (mem) + mem->phys_start = (mem->phys_start & + (PCIE_PHYS_SIZE - 1)) + + LS2088A_PCIE1_PHYS_ADDR + + LS2088A_PCIE_PHYS_SIZE * pcie->idx; + if (pref) + pref->phys_start = (pref->phys_start & + (PCIE_PHYS_SIZE - 1)) + + LS2088A_PCIE1_PHYS_ADDR + + LS2088A_PCIE_PHYS_SIZE * pcie->idx; + } + if (io) /* ATU : OUTBOUND : IO */ ls_pcie_atu_outbound_set(pcie, idx++, @@ -449,6 +470,7 @@ static int ls_pcie_probe(struct udevice *dev) u8 header_type; u16 link_sta; bool ep_mode; + uint svr; int ret; pcie->bus = dev; @@ -502,6 +524,19 @@ static int ls_pcie_probe(struct udevice *dev) return ret; } + /* + * Fix the pcie memory map address and PF control registers address + * for LS2088A series SoCs + */ + svr = get_svr(); + svr = (svr >> SVR_VAR_PER_SHIFT) & 0xFFFFFE; + if (svr == SVR_LS2088A || svr == SVR_LS2084A || + svr == SVR_LS2048A || svr == SVR_LS2044A) { + pcie->cfg_res.start = LS2088A_PCIE1_PHYS_ADDR + + LS2088A_PCIE_PHYS_SIZE * pcie->idx; + pcie->ctrl = pcie->lut + 0x40000; + } + pcie->cfg0 = map_physmem(pcie->cfg_res.start, fdt_resource_size(&pcie->cfg_res), MAP_NOCACHE); diff --git a/drivers/pci/pcie_layerscape.h b/drivers/pci/pcie_layerscape.h index 0f9d2fe6d3..e3324a5e52 100644 --- a/drivers/pci/pcie_layerscape.h +++ b/drivers/pci/pcie_layerscape.h @@ -26,6 +26,10 @@ #define CONFIG_SYS_PCI_EP_MEMORY_BASE CONFIG_SYS_LOAD_ADDR #endif +#define PCIE_PHYS_SIZE 0x200000000 +#define LS2088A_PCIE_PHYS_SIZE 0x800000000 +#define LS2088A_PCIE1_PHYS_ADDR 0x2000000000 + /* iATU registers */ #define PCIE_ATU_VIEWPORT 0x900 #define PCIE_ATU_REGION_INBOUND (0x1 << 31) @@ -109,6 +113,10 @@ #define SVR_LS102XA 0 #define SVR_VAR_PER_SHIFT 8 #define SVR_LS102XA_MASK 0x700 +#define SVR_LS2088A 0x870900 +#define SVR_LS2084A 0x870910 +#define SVR_LS2048A 0x870920 +#define SVR_LS2044A 0x870930 /* LS1021a PCIE space */ #define LS1021_PCIE_SPACE_OFFSET 0x4000000000ULL |