From: Minghuan Lian Minghuan.Lian@nxp.com

Signed-off-by: Minghuan Lian Minghuan.Lian@nxp.com Signed-off-by: Hou Zhiqiang Zhiqiang.Hou@nxp.com --- V2: - No change

arch/arm/dts/fsl-ls1012a.dtsi | 15 +++++++++++++++ 1 file changed, 15 insertions(+)

diff --git a/arch/arm/dts/fsl-ls1012a.dtsi b/arch/arm/dts/fsl-ls1012a.dtsi index 024527e..c4ca9c1 100644 --- a/arch/arm/dts/fsl-ls1012a.dtsi +++ b/arch/arm/dts/fsl-ls1012a.dtsi @@ -103,5 +103,20 @@ status = "disabled"; };

+ pcie@3400000 { + compatible = "fsl,ls-pcie", "snps,dw-pcie"; + reg = <0x00 0x03400000 0x0 0x80000 /* dbi registers */ + 0x00 0x03480000 0x0 0x40000 /* lut registers */ + 0x00 0x034c0000 0x0 0x40000 /* pf controls registers */ + 0x40 0x00000000 0x0 0x20000>; /* configuration space */ + reg-names = "dbi", "lut", "ctrl", "config"; + big-endian; + #address-cells = <3>; + #size-cells = <2>; + device_type = "pci"; + bus-range = <0x0 0xff>; + ranges = <0x81000000 0x0 0x00000000 0x40 0x00020000 0x0 0x00010000 /* downstream I/O */ + 0x82000000 0x0 0x40000000 0x40 0x40000000 0x0 0x40000000>; /* non-prefetchable memory */ + }; }; };

From: Minghuan Lian Minghuan.Lian@nxp.com

Signed-off-by: Minghuan Lian Minghuan.Lian@nxp.com Signed-off-by: Hou Zhiqiang Zhiqiang.Hou@nxp.com --- V2: - No change

arch/arm/dts/fsl-ls1046a.dtsi | 49 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+)

diff --git a/arch/arm/dts/fsl-ls1046a.dtsi b/arch/arm/dts/fsl-ls1046a.dtsi index 87dd997..5d30112 100644 --- a/arch/arm/dts/fsl-ls1046a.dtsi +++ b/arch/arm/dts/fsl-ls1046a.dtsi @@ -162,5 +162,54 @@ big-endian; status = "disabled"; }; + + pcie@3400000 { + compatible = "fsl,ls-pcie", "snps,dw-pcie"; + reg = <0x00 0x03400000 0x0 0x80000 /* dbi registers */ + 0x00 0x03480000 0x0 0x40000 /* lut registers */ + 0x00 0x034c0000 0x0 0x40000 /* pf controls registers */ + 0x40 0x00000000 0x0 0x20000>; /* configuration space */ + reg-names = "dbi", "lut", "ctrl", "config"; + big-endian; + #address-cells = <3>; + #size-cells = <2>; + device_type = "pci"; + bus-range = <0x0 0xff>; + ranges = <0x81000000 0x0 0x00000000 0x40 0x00020000 0x0 0x00010000 /* downstream I/O */ + 0x82000000 0x0 0x40000000 0x40 0x40000000 0x0 0x40000000>; /* non-prefetchable memory */ + }; + + pcie@3500000 { + compatible = "fsl,ls-pcie", "snps,dw-pcie"; + reg = <0x00 0x03500000 0x0 0x80000 /* dbi registers */ + 0x00 0x03580000 0x0 0x40000 /* lut registers */ + 0x00 0x035c0000 0x0 0x40000 /* pf controls registers */ + 0x48 0x00000000 0x0 0x20000>; /* configuration space */ + reg-names = "dbi", "lut", "ctrl", "config"; + big-endian; + #address-cells = <3>; + #size-cells = <2>; + device_type = "pci"; + num-lanes = <2>; + bus-range = <0x0 0xff>; + ranges = <0x81000000 0x0 0x00000000 0x48 0x00020000 0x0 0x00010000 /* downstream I/O */ + 0x82000000 0x0 0x40000000 0x48 0x40000000 0x0 0x40000000>; /* non-prefetchable memory */ + }; + + pcie@3600000 { + compatible = "fsl,ls-pcie", "snps,dw-pcie"; + reg = <0x00 0x03600000 0x0 0x80000 /* dbi registers */ + 0x00 0x03680000 0x0 0x40000 /* lut registers */ + 0x00 0x036c0000 0x0 0x40000 /* pf controls registers */ + 0x50 0x00000000 0x0 0x20000>; /* configuration space */ + reg-names = "dbi", "lut", "ctrl", "config"; + big-endian; + #address-cells = <3>; + #size-cells = <2>; + device_type = "pci"; + bus-range = <0x0 0xff>; + ranges = <0x81000000 0x0 0x00000000 0x50 0x00020000 0x0 0x00010000 /* downstream I/O */ + 0x82000000 0x0 0x40000000 0x50 0x40000000 0x0 0x40000000>; /* non-prefetchable memory */ + }; }; };

From: Minghuan Lian Minghuan.Lian@nxp.com

There are more than five kinds of Layerscape SoCs. unfortunately, PCIe controller of each SoC is a little bit different. In order to avoid too many macro definitions, the patch addes a new implementation of PCIe driver based on DM. PCIe dts node is used to describe the difference.

Signed-off-by: Minghuan Lian Minghuan.Lian@nxp.com Signed-off-by: Hou Zhiqiang Zhiqiang.Hou@nxp.com --- V2: - Rebased the driver against the latest code.

drivers/pci/Kconfig | 8 + drivers/pci/pcie_layerscape.c | 761 ++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 769 insertions(+)

diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig index b8376b4..07d21ea 100644 --- a/drivers/pci/Kconfig +++ b/drivers/pci/Kconfig @@ -61,4 +61,12 @@ config PCI_XILINX Enable support for the Xilinx AXI bridge for PCI express, an IP block which can be used on some generations of Xilinx FPGAs.

+config PCIE_LAYERSCAPE + bool "Layerscape PCIe support" + depends on DM_PCI + help + Support Layerscape PCIe. The Layerscape SoC may have one or several + PCIe controllers. The PCIe may works in RC or EP mode according to + RCW setting. + endif diff --git a/drivers/pci/pcie_layerscape.c b/drivers/pci/pcie_layerscape.c index 2e6b986..f107d1c 100644 --- a/drivers/pci/pcie_layerscape.c +++ b/drivers/pci/pcie_layerscape.c @@ -11,11 +11,14 @@ #include <asm/io.h> #include <errno.h> #include <malloc.h> +#include <dm.h> #ifndef CONFIG_LS102XA #include <asm/arch/fdt.h> #include <asm/arch/soc.h> #endif

+DECLARE_GLOBAL_DATA_PTR; + #ifndef CONFIG_SYS_PCI_MEMORY_BUS #define CONFIG_SYS_PCI_MEMORY_BUS CONFIG_SYS_SDRAM_BASE #endif @@ -40,6 +43,7 @@ #define PCIE_ATU_REGION_INDEX1 (0x1 << 0) #define PCIE_ATU_REGION_INDEX2 (0x2 << 0) #define PCIE_ATU_REGION_INDEX3 (0x3 << 0) +#define PCIE_ATU_REGION_NUM 6 #define PCIE_ATU_CR1 0x904 #define PCIE_ATU_TYPE_MEM (0x0 << 0) #define PCIE_ATU_TYPE_IO (0x2 << 0) @@ -58,6 +62,9 @@ #define PCIE_ATU_FUNC(x) (((x) & 0x7) << 16) #define PCIE_ATU_UPPER_TARGET 0x91C

+/* DBI registers */ +#define PCIE_SRIOV 0x178 +#define PCIE_STRFMR1 0x71c /* Symbol Timer & Filter Mask Register1 */ #define PCIE_DBI_RO_WR_EN 0x8bc

#define PCIE_LINK_CAP 0x7c @@ -88,6 +95,8 @@ #define PCIE_BAR2_SIZE (4 * 1024) /* 4K */ #define PCIE_BAR4_SIZE (1 * 1024 * 1024) /* 1M */

+#ifndef CONFIG_DM_PCI + struct ls_pcie { int idx; void __iomem *dbi; @@ -814,3 +823,755 @@ void ft_pci_setup(void *blob, bd_t *bd) { } #endif + +#else + +/* LUT registers */ +#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 + +/* PF Controll registers */ +#define PCIE_PF_VF_CTRL 0x7F8 +#define PCIE_PF_DBG 0x7FC + +#define PCIE_SRDS_PRTCL(idx) (PCIE1 + (idx)) +#define PCIE_SYS_BASE_ADDR 0x3400000 +#define PCIE_CCSR_SIZE 0x0100000 + +/* CS2 */ +#define PCIE_CS2_OFFSET 0x1000 /* For PCIe without SR-IOV */ + +#ifdef CONFIG_LS102XA +/* LS1021a PCIE space */ +#define LS1021_PCIE_SPACE_OFFSET 0x4000000000ULL +#define LS1021_PCIE_SPACE_SIZE 0x0800000000ULL + +/* LS1021a PEX1/2 Misc Ports Status Register */ +#define LS1021_PEXMSCPORTSR(pex_idx) (0x94 + (pex_idx) * 4) +#define LS1021_LTSSM_STATE_SHIFT 20 +#endif + +struct ls_pcie { + int idx; + struct list_head list; + struct udevice *bus; + struct fdt_resource dbi_res; + struct fdt_resource lut_res; + struct fdt_resource ctrl_res; + struct fdt_resource cfg_res; + void __iomem *dbi; + void __iomem *lut; + void __iomem *ctrl; + void __iomem *cfg0; + void __iomem *cfg1; + bool big_endian; + bool enabled; + int next_lut_index; + struct pci_controller hose; +}; + +static LIST_HEAD(ls_pcie_list); + +static unsigned int dbi_readl(struct ls_pcie *pcie, unsigned int offset) +{ + return in_le32(pcie->dbi + offset); +} + +static void dbi_writel(struct ls_pcie *pcie, unsigned int value, + unsigned int offset) +{ + out_le32(pcie->dbi + offset, value); +} + +#ifdef CONFIG_FSL_LSCH3 +static void lut_writel(struct ls_pcie *pcie, unsigned int value, + unsigned int offset) +{ + if (pcie->big_endian) + out_be32(pcie->lut + offset, value); + else + out_le32(pcie->lut + offset, value); +} +#endif + +static unsigned int ctrl_readl(struct ls_pcie *pcie, unsigned int offset) +{ + if (pcie->big_endian) + return in_be32(pcie->ctrl + offset); + else + return in_le32(pcie->ctrl + offset); +} + +static void ctrl_writel(struct ls_pcie *pcie, unsigned int value, + unsigned int offset) +{ + if (pcie->big_endian) + out_be32(pcie->ctrl + offset, value); + else + out_le32(pcie->ctrl + offset, value); +} + +#ifdef CONFIG_LS102XA +static int ls_pcie_ltssm(struct ls_pcie *pcie) +{ + u32 state; + + state = ctrl_readl(pcie, LS1021_PEXMSCPORTSR(pcie->idx)); + state = (state >> LS1021_LTSSM_STATE_SHIFT) & LTSSM_STATE_MASK; + + return state; +} +#else +static int ls_pcie_ltssm(struct ls_pcie *pcie) +{ + return ctrl_readl(pcie, PCIE_PF_DBG) & LTSSM_STATE_MASK; +} +#endif + +static int ls_pcie_link_up(struct ls_pcie *pcie) +{ + int ltssm; + + ltssm = ls_pcie_ltssm(pcie); + if (ltssm < LTSSM_PCIE_L0) + return 0; + + return 1; +} + +static void ls_pcie_cfg0_set_busdev(struct ls_pcie *pcie, u32 busdev) +{ + dbi_writel(pcie, PCIE_ATU_REGION_OUTBOUND | PCIE_ATU_REGION_INDEX0, + PCIE_ATU_VIEWPORT); + dbi_writel(pcie, busdev, PCIE_ATU_LOWER_TARGET); +} + +static void ls_pcie_cfg1_set_busdev(struct ls_pcie *pcie, u32 busdev) +{ + dbi_writel(pcie, PCIE_ATU_REGION_OUTBOUND | PCIE_ATU_REGION_INDEX1, + PCIE_ATU_VIEWPORT); + dbi_writel(pcie, busdev, PCIE_ATU_LOWER_TARGET); +} + +static void ls_pcie_atu_outbound_set(struct ls_pcie *pcie, int idx, int type, + u64 phys, u64 bus_addr, pci_size_t size) +{ + dbi_writel(pcie, PCIE_ATU_REGION_OUTBOUND | idx, PCIE_ATU_VIEWPORT); + dbi_writel(pcie, (u32)phys, PCIE_ATU_LOWER_BASE); + dbi_writel(pcie, phys >> 32, PCIE_ATU_UPPER_BASE); + dbi_writel(pcie, (u32)phys + size - 1, PCIE_ATU_LIMIT); + dbi_writel(pcie, (u32)bus_addr, PCIE_ATU_LOWER_TARGET); + dbi_writel(pcie, bus_addr >> 32, PCIE_ATU_UPPER_TARGET); + dbi_writel(pcie, type, PCIE_ATU_CR1); + dbi_writel(pcie, PCIE_ATU_ENABLE, PCIE_ATU_CR2); +} + +/* Use bar match mode and MEM type as default */ +static void ls_pcie_atu_inbound_set(struct ls_pcie *pcie, int idx, + int bar, u64 phys) +{ + dbi_writel(pcie, PCIE_ATU_REGION_INBOUND | idx, PCIE_ATU_VIEWPORT); + dbi_writel(pcie, (u32)phys, PCIE_ATU_LOWER_TARGET); + dbi_writel(pcie, phys >> 32, PCIE_ATU_UPPER_TARGET); + dbi_writel(pcie, PCIE_ATU_TYPE_MEM, PCIE_ATU_CR1); + dbi_writel(pcie, PCIE_ATU_ENABLE | PCIE_ATU_BAR_MODE_ENABLE | + PCIE_ATU_BAR_NUM(bar), PCIE_ATU_CR2); +} + +static void ls_pcie_dump_atu(struct ls_pcie *pcie) +{ + int i; + + for (i = 0; i < PCIE_ATU_REGION_NUM; i++) { + dbi_writel(pcie, PCIE_ATU_REGION_OUTBOUND | i, + PCIE_ATU_VIEWPORT); + debug("iATU%d:\n", i); + debug("\tLOWER PHYS 0x%08x\n", + dbi_readl(pcie, PCIE_ATU_LOWER_BASE)); + debug("\tUPPER PHYS 0x%08x\n", + dbi_readl(pcie, PCIE_ATU_UPPER_BASE)); + debug("\tLOWER BUS 0x%08x\n", + dbi_readl(pcie, PCIE_ATU_LOWER_TARGET)); + debug("\tUPPER BUS 0x%08x\n", + dbi_readl(pcie, PCIE_ATU_UPPER_TARGET)); + debug("\tLIMIT 0x%08x\n", + readl(pcie->dbi + PCIE_ATU_LIMIT)); + debug("\tCR1 0x%08x\n", + dbi_readl(pcie, PCIE_ATU_CR1)); + debug("\tCR2 0x%08x\n", + dbi_readl(pcie, PCIE_ATU_CR2)); + } +} + +static void ls_pcie_setup_atu(struct ls_pcie *pcie) +{ + struct pci_region *io, *mem, *pref; + unsigned long long offset = 0; + int idx = 0; + +#ifdef CONFIG_LS102XA + offset = LS1021_PCIE_SPACE_OFFSET + LS1021_PCIE_SPACE_SIZE * pcie->idx; +#endif + + /* ATU 0 : OUTBOUND : CFG0 */ + ls_pcie_atu_outbound_set(pcie, PCIE_ATU_REGION_INDEX0, + PCIE_ATU_TYPE_CFG0, + pcie->cfg_res.start + offset, + 0, + fdt_resource_size(&pcie->cfg_res) / 2); + /* ATU 1 : OUTBOUND : CFG1 */ + ls_pcie_atu_outbound_set(pcie, PCIE_ATU_REGION_INDEX1, + PCIE_ATU_TYPE_CFG1, + pcie->cfg_res.start + offset + + fdt_resource_size(&pcie->cfg_res) / 2, + 0, + fdt_resource_size(&pcie->cfg_res) / 2); + + pci_get_regions(pcie->bus, &io, &mem, &pref); + idx = PCIE_ATU_REGION_INDEX1 + 1; + + if (io) + /* ATU : OUTBOUND : IO */ + ls_pcie_atu_outbound_set(pcie, idx++, + PCIE_ATU_TYPE_IO, + io->phys_start + offset, + io->bus_start, + io->size); + + if (mem) + /* ATU : OUTBOUND : MEM */ + ls_pcie_atu_outbound_set(pcie, idx++, + PCIE_ATU_TYPE_MEM, + mem->phys_start + offset, + mem->bus_start, + mem->size); + + if (pref) + /* ATU : OUTBOUND : pref */ + ls_pcie_atu_outbound_set(pcie, idx++, + PCIE_ATU_TYPE_MEM, + pref->phys_start + offset, + pref->bus_start, + pref->size); + + ls_pcie_dump_atu(pcie); +} + +static int ls_pcie_addr_valid(struct ls_pcie *pcie, pci_dev_t bdf) +{ + struct udevice *bus = pcie->bus; + + if (!pcie->enabled) + return -ENODEV; + + if (PCI_BUS(bdf) < bus->seq) + return -EINVAL; + + if ((PCI_BUS(bdf) > bus->seq) && (!ls_pcie_link_up(pcie))) + return -EINVAL; + + if (PCI_BUS(bdf) <= (bus->seq + 1) && (PCI_DEV(bdf) > 0)) + return -EINVAL; + + return 0; +} + +void *ls_pcie_conf_address(struct ls_pcie *pcie, pci_dev_t bdf, + int offset) +{ + struct udevice *bus = pcie->bus; + u32 busdev; + + if (PCI_BUS(bdf) == bus->seq) + return pcie->dbi + offset; + + busdev = PCIE_ATU_BUS(PCI_BUS(bdf)) | + PCIE_ATU_DEV(PCI_DEV(bdf)) | + PCIE_ATU_FUNC(PCI_FUNC(bdf)); + + if (PCI_BUS(bdf) == bus->seq + 1) { + ls_pcie_cfg0_set_busdev(pcie, busdev); + return pcie->cfg0 + offset; + } else { + ls_pcie_cfg1_set_busdev(pcie, busdev); + return pcie->cfg1 + offset; + } +} + +static int ls_pcie_read_config(struct udevice *bus, pci_dev_t bdf, + uint offset, ulong *valuep, + enum pci_size_t size) +{ + struct ls_pcie *pcie = dev_get_priv(bus); + void *address; + + if (ls_pcie_addr_valid(pcie, bdf)) { + *valuep = pci_get_ff(size); + return 0; + } + + address = ls_pcie_conf_address(pcie, bdf, offset); + + switch (size) { + case PCI_SIZE_8: + *valuep = readb(address); + return 0; + case PCI_SIZE_16: + *valuep = readw(address); + return 0; + case PCI_SIZE_32: + *valuep = readl(address); + return 0; + default: + return -EINVAL; + } +} + +static int ls_pcie_write_config(struct udevice *bus, pci_dev_t bdf, + uint offset, ulong value, + enum pci_size_t size) +{ + struct ls_pcie *pcie = dev_get_priv(bus); + void *address; + + if (ls_pcie_addr_valid(pcie, bdf)) + return 0; + + address = ls_pcie_conf_address(pcie, bdf, offset); + + switch (size) { + case PCI_SIZE_8: + writeb(value, address); + return 0; + case PCI_SIZE_16: + writew(value, address); + return 0; + case PCI_SIZE_32: + writel(value, address); + return 0; + default: + return -EINVAL; + } +} + +/* Clear multi-function bit */ +static void ls_pcie_clear_multifunction(struct ls_pcie *pcie) +{ + writeb(PCI_HEADER_TYPE_BRIDGE, pcie->dbi + PCI_HEADER_TYPE); +} + +/* Fix class value */ +static void ls_pcie_fix_class(struct ls_pcie *pcie) +{ + writew(PCI_CLASS_BRIDGE_PCI, pcie->dbi + PCI_CLASS_DEVICE); +} + +/* Drop MSG TLP except for Vendor MSG */ +static void ls_pcie_drop_msg_tlp(struct ls_pcie *pcie) +{ + u32 val; + + val = dbi_readl(pcie, PCIE_STRFMR1); + val &= 0xDFFFFFFF; + dbi_writel(pcie, val, PCIE_STRFMR1); +} + +/* Disable all bars in RC mode */ +static void ls_pcie_disable_bars(struct ls_pcie *pcie) +{ + u32 sriov; + + sriov = in_le32(pcie->dbi + PCIE_SRIOV); + + if (PCI_EXT_CAP_ID(sriov) == PCI_EXT_CAP_ID_SRIOV) + return; + + dbi_writel(pcie, 0, PCIE_CS2_OFFSET + PCI_BASE_ADDRESS_0); + dbi_writel(pcie, 0, PCIE_CS2_OFFSET + PCI_BASE_ADDRESS_1); + dbi_writel(pcie, 0, PCIE_CS2_OFFSET + PCI_ROM_ADDRESS1); +} + +static void ls_pcie_setup_ctrl(struct ls_pcie *pcie) +{ + ls_pcie_setup_atu(pcie); + + dbi_writel(pcie, 1, PCIE_DBI_RO_WR_EN); + ls_pcie_fix_class(pcie); + ls_pcie_clear_multifunction(pcie); + ls_pcie_drop_msg_tlp(pcie); + dbi_writel(pcie, 0, PCIE_DBI_RO_WR_EN); + + ls_pcie_disable_bars(pcie); +} + +static void ls_pcie_ep_setup_atu(struct ls_pcie *pcie) +{ + u64 phys = CONFIG_SYS_PCI_EP_MEMORY_BASE; + + /* ATU 0 : INBOUND : map BAR0 */ + ls_pcie_atu_inbound_set(pcie, 0, 0, phys); + /* ATU 1 : INBOUND : map BAR1 */ + phys += PCIE_BAR1_SIZE; + ls_pcie_atu_inbound_set(pcie, 1, 1, phys); + /* ATU 2 : INBOUND : map BAR2 */ + phys += PCIE_BAR2_SIZE; + ls_pcie_atu_inbound_set(pcie, 2, 2, phys); + /* ATU 3 : INBOUND : map BAR4 */ + phys = CONFIG_SYS_PCI_EP_MEMORY_BASE + PCIE_BAR4_SIZE; + ls_pcie_atu_inbound_set(pcie, 3, 4, phys); + + /* ATU 0 : OUTBOUND : map MEM */ + ls_pcie_atu_outbound_set(pcie, 0, + PCIE_ATU_TYPE_MEM, + pcie->cfg_res.start, + 0, + CONFIG_SYS_PCI_MEMORY_SIZE); +} + +/* BAR0 and BAR1 are 32bit BAR2 and BAR4 are 64bit */ +static void ls_pcie_ep_setup_bar(void *bar_base, int bar, u32 size) +{ + if (size < 4 * 1024) + return; + + switch (bar) { + case 0: + writel(size - 1, bar_base + PCI_BASE_ADDRESS_0); + break; + case 1: + writel(size - 1, bar_base + PCI_BASE_ADDRESS_1); + break; + case 2: + writel(size - 1, bar_base + PCI_BASE_ADDRESS_2); + writel(0, bar_base + PCI_BASE_ADDRESS_3); + break; + case 4: + writel(size - 1, bar_base + PCI_BASE_ADDRESS_4); + writel(0, bar_base + PCI_BASE_ADDRESS_5); + break; + default: + break; + } +} + +static void ls_pcie_ep_setup_bars(void *bar_base) +{ + /* BAR0 - 32bit - 4K configuration */ + ls_pcie_ep_setup_bar(bar_base, 0, PCIE_BAR0_SIZE); + /* BAR1 - 32bit - 8K MSIX*/ + ls_pcie_ep_setup_bar(bar_base, 1, PCIE_BAR1_SIZE); + /* BAR2 - 64bit - 4K MEM desciptor */ + ls_pcie_ep_setup_bar(bar_base, 2, PCIE_BAR2_SIZE); + /* BAR4 - 64bit - 1M MEM*/ + ls_pcie_ep_setup_bar(bar_base, 4, PCIE_BAR4_SIZE); +} + +static void ls_pcie_setup_ep(struct ls_pcie *pcie) +{ + u32 sriov; + + sriov = readl(pcie->dbi + PCIE_SRIOV); + if (PCI_EXT_CAP_ID(sriov) == PCI_EXT_CAP_ID_SRIOV) { + int pf, vf; + + for (pf = 0; pf < PCIE_PF_NUM; pf++) { + for (vf = 0; vf <= PCIE_VF_NUM; vf++) { + ctrl_writel(pcie, PCIE_LCTRL0_VAL(pf, vf), + PCIE_PF_VF_CTRL); + + ls_pcie_ep_setup_bars(pcie->dbi); + ls_pcie_ep_setup_atu(pcie); + } + } + /* Disable CFG2 */ + ctrl_writel(pcie, 0, PCIE_PF_VF_CTRL); + } else { + ls_pcie_ep_setup_bars(pcie->dbi + PCIE_NO_SRIOV_BAR_BASE); + ls_pcie_ep_setup_atu(pcie); + } +} + +#ifdef CONFIG_FSL_LSCH3 +/* + * 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) + return pcie->next_lut_index++; + else + return -1; /* LUT is full */ +} + +/* + * Program a single LUT entry + */ +static void ls_pcie_lut_set_mapping(struct ls_pcie *pcie, int index, u32 devid, + u32 streamid) +{ + /* leave mask as all zeroes, want to match all bits */ + lut_writel(pcie, devid << 16, PCIE_LUT_UDR(index)); + lut_writel(pcie, streamid | PCIE_LUT_ENABLE, PCIE_LUT_LDR(index)); +} + +/* returns the next available streamid */ +static u32 ls_pcie_next_streamid(void) +{ + static int next_stream_id = FSL_PEX_STREAM_ID_START; + + if (next_stream_id > FSL_PEX_STREAM_ID_END) + return 0xffffffff; + + return next_stream_id++; +} + +/* + * An msi-map is a property to be added to the pci controller + * node. It is a table, where each entry consists of 4 fields + * e.g.: + * + * msi-map = <[devid] [phandle-to-msi-ctrl] [stream-id] [count] + * [devid] [phandle-to-msi-ctrl] [stream-id] [count]>; + */ +static void fdt_pcie_set_msi_map_entry(void *blob, struct ls_pcie *pcie, + u32 devid, u32 streamid) +{ + u32 *prop; + u32 phandle; + int nodeoffset; + + /* find pci controller node */ + nodeoffset = fdt_node_offset_by_compat_reg(blob, "fsl,ls-pcie", + pcie->dbi_res.start); + if (nodeoffset < 0) { + #ifdef FSL_PCIE_COMPAT /* Compatible with older version of dts node */ + nodeoffset = fdt_node_offset_by_compat_reg(blob, + FSL_PCIE_COMPAT, + pcie->dbi_res.start); + if (nodeoffset < 0) + return; + #else + return; + #endif + } + + /* get phandle to MSI controller */ + prop = (u32 *)fdt_getprop(blob, nodeoffset, "msi-parent", 0); + if (prop == NULL) { + printf("\n%s: ERROR: missing msi-parent: PCIe%d\n", + __func__, pcie->idx); + return; + } + phandle = be32_to_cpu(*prop); + + /* set one msi-map row */ + fdt_appendprop_u32(blob, nodeoffset, "msi-map", devid); + fdt_appendprop_u32(blob, nodeoffset, "msi-map", phandle); + fdt_appendprop_u32(blob, nodeoffset, "msi-map", streamid); + fdt_appendprop_u32(blob, nodeoffset, "msi-map", 1); +} + +static void fdt_fixup_pcie(void *blob) +{ + struct udevice *dev, *bus; + struct ls_pcie *pcie; + u32 streamid; + int index; + pci_dev_t bdf; + + /* Scan all known buses */ + for (pci_find_first_device(&dev); + dev; + pci_find_next_device(&dev)) { + for (bus = dev; device_is_on_pci_bus(bus);) + bus = bus->parent; + pcie = dev_get_priv(bus); + + streamid = ls_pcie_next_streamid(); + if (streamid == 0xffffffff) { + printf("ERROR: no stream ids free\n"); + continue; + } + + index = ls_pcie_next_lut_index(pcie); + if (index < 0) { + printf("ERROR: no LUT indexes free\n"); + continue; + } + + /* the DT fixup must be relative to the hose first_busno */ + bdf = dm_pci_get_bdf(dev) - PCI_BDF(bus->seq, 0, 0); + /* map PCI b.d.f to streamID in LUT */ + ls_pcie_lut_set_mapping(pcie, index, bdf >> 8, + streamid); + /* update msi-map in device tree */ + fdt_pcie_set_msi_map_entry(blob, pcie, bdf >> 8, + streamid); + } +} +#endif + +#ifdef CONFIG_OF_BOARD_SETUP +#include <libfdt.h> +#include <fdt_support.h> + +static void ft_pcie_ls_setup(void *blob, struct ls_pcie *pcie) +{ + int off; + + off = fdt_node_offset_by_compat_reg(blob, "fsl,ls-pcie", + pcie->dbi_res.start); + if (off < 0) { + #ifdef FSL_PCIE_COMPAT /* Compatible with older version of dts node */ + off = fdt_node_offset_by_compat_reg(blob, + FSL_PCIE_COMPAT, + pcie->dbi_res.start); + if (off < 0) + return; + #else + return; + #endif + } + + if (pcie->enabled) + fdt_set_node_status(blob, off, FDT_STATUS_OKAY, 0); + else + fdt_set_node_status(blob, off, FDT_STATUS_DISABLED, 0); +} + +void ft_pci_setup(void *blob, bd_t *bd) +{ + struct ls_pcie *pcie; + + list_for_each_entry(pcie, &ls_pcie_list, list) + ft_pcie_ls_setup(blob, pcie); + + #ifdef CONFIG_FSL_LSCH3 + fdt_fixup_pcie(blob); + #endif +} + +#else +void ft_pci_setup(void *blob, bd_t *bd) +{ +} +#endif + +static int ls_pcie_probe(struct udevice *dev) +{ + struct ls_pcie *pcie = dev_get_priv(dev); + void *fdt = (void *)gd->fdt_blob; + int node = dev->of_offset; + u8 header_type; + u16 link_sta; + bool ep_mode; + int ret; + + pcie->bus = dev; + + ret = fdt_get_named_resource(fdt, node, "reg", "reg-names", + "dbi", &pcie->dbi_res); + if (ret) { + printf("ls-pcie: resource "dbi" not found\n"); + return ret; + } + + pcie->idx = (pcie->dbi_res.start - PCIE_SYS_BASE_ADDR) / PCIE_CCSR_SIZE; + + list_add(&pcie->list, &ls_pcie_list); + + pcie->enabled = is_serdes_configured(PCIE_SRDS_PRTCL(pcie->idx)); + if (!pcie->enabled) { + printf("PCIe%d: %s disabled\n", pcie->idx, dev->name); + return 0; + } + + pcie->dbi = map_physmem(pcie->dbi_res.start, + fdt_resource_size(&pcie->dbi_res), + MAP_NOCACHE); + + ret = fdt_get_named_resource(fdt, node, "reg", "reg-names", + "lut", &pcie->lut_res); + if (!ret) + pcie->lut = map_physmem(pcie->lut_res.start, + fdt_resource_size(&pcie->lut_res), + MAP_NOCACHE); + + ret = fdt_get_named_resource(fdt, node, "reg", "reg-names", + "ctrl", &pcie->ctrl_res); + if (!ret) + pcie->ctrl = map_physmem(pcie->ctrl_res.start, + fdt_resource_size(&pcie->ctrl_res), + MAP_NOCACHE); + if (!pcie->ctrl) + pcie->ctrl = pcie->lut; + + if (!pcie->ctrl) { + printf("%s: NOT find CTRL\n", dev->name); + return 0; + } + + ret = fdt_get_named_resource(fdt, node, "reg", "reg-names", + "config", &pcie->cfg_res); + if (ret) { + printf("%s: resource "config" not found\n", dev->name); + return 0; + } + + pcie->cfg0 = map_physmem(pcie->cfg_res.start, + fdt_resource_size(&pcie->cfg_res), + MAP_NOCACHE); + pcie->cfg1 = pcie->cfg0 + fdt_resource_size(&pcie->cfg_res) / 2; + + pcie->big_endian = fdtdec_get_bool(fdt, node, "big-endian"); + + debug("%s dbi:%lx lut:%lx ctrl:0x%lx cfg0:0x%lx, big-endian:%d\n", + dev->name, (unsigned long)pcie->dbi, (unsigned long)pcie->lut, + (unsigned long)pcie->ctrl, (unsigned long)pcie->cfg0, + pcie->big_endian); + + header_type = readb(pcie->dbi + PCI_HEADER_TYPE); + ep_mode = (header_type & 0x7f) == PCI_HEADER_TYPE_NORMAL; + printf("PCIe%u: %s %s", pcie->idx, dev->name, + ep_mode ? "Endpoint" : "Root Complex"); + + if (ep_mode) + ls_pcie_setup_ep(pcie); + else + ls_pcie_setup_ctrl(pcie); + + if (!ls_pcie_link_up(pcie)) { + /* Let the user know there's no PCIe link */ + printf(": no link\n"); + return 0; + } + + /* Print the negotiated PCIe link width */ + link_sta = readw(pcie->dbi + PCIE_LINK_STA); + printf(": x%d gen%d\n", (link_sta & 0x3f0) >> 4, link_sta & 0xf); + + return 0; +} + +static const struct dm_pci_ops ls_pcie_ops = { + .read_config = ls_pcie_read_config, + .write_config = ls_pcie_write_config, +}; + +static const struct udevice_id ls_pcie_ids[] = { + { .compatible = "fsl,ls-pcie" }, + { } +}; + +U_BOOT_DRIVER(pci_layerscape) = { + .name = "pci_layerscape", + .id = UCLASS_PCI, + .of_match = ls_pcie_ids, + .ops = &ls_pcie_ops, + .probe = ls_pcie_probe, + .priv_auto_alloc_size = sizeof(struct ls_pcie), +}; + +#endif /* CONFIG_DM_PCI */

From: Minghuan Lian Minghuan.Lian@nxp.com

The patch enables PCIe and E1000 in ls1012a defconfigs and removes unused PCIe related macro defines

Signed-off-by: Minghuan Lian Minghuan.Lian@nxp.com Signed-off-by: Hou Zhiqiang Zhiqiang.Hou@nxp.com --- V2: - Moved PCIe related configs macro to defconfig

configs/ls1012afrdm_qspi_defconfig | 5 +++++ configs/ls1012aqds_qspi_defconfig | 5 ++++- configs/ls1012ardb_qspi_defconfig | 5 ++++- include/configs/ls1012aqds.h | 16 ---------------- include/configs/ls1012ardb.h | 16 ---------------- 5 files changed, 13 insertions(+), 34 deletions(-)

diff --git a/configs/ls1012afrdm_qspi_defconfig b/configs/ls1012afrdm_qspi_defconfig index 1f3d487..0c862b6 100644 --- a/configs/ls1012afrdm_qspi_defconfig +++ b/configs/ls1012afrdm_qspi_defconfig @@ -28,9 +28,14 @@ CONFIG_DM=y CONFIG_DM_SPI_FLASH=y CONFIG_SPI_FLASH=y CONFIG_NETDEVICES=y +CONFIG_E1000=y CONFIG_SYS_NS16550=y CONFIG_DM_SPI=y CONFIG_USB=y CONFIG_USB_XHCI_HCD=y CONFIG_USB_XHCI_DWC3=y CONFIG_USB_STORAGE=y +CONFIG_PCI=y +CONFIG_DM_PCI=y +CONFIG_DM_PCI_COMPAT=y +CONFIG_PCIE_LAYERSCAPE=y diff --git a/configs/ls1012aqds_qspi_defconfig b/configs/ls1012aqds_qspi_defconfig index c0514ae..0e54d5a 100644 --- a/configs/ls1012aqds_qspi_defconfig +++ b/configs/ls1012aqds_qspi_defconfig @@ -30,7 +30,6 @@ CONFIG_DM_SPI_FLASH=y CONFIG_SPI_FLASH=y CONFIG_NETDEVICES=y CONFIG_E1000=y -CONFIG_PCI=y CONFIG_SYS_NS16550=y CONFIG_DM_SPI=y CONFIG_FSL_DSPI=y @@ -38,3 +37,7 @@ CONFIG_USB=y CONFIG_USB_XHCI_HCD=y CONFIG_USB_XHCI_DWC3=y CONFIG_USB_STORAGE=y +CONFIG_PCI=y +CONFIG_DM_PCI=y +CONFIG_DM_PCI_COMPAT=y +CONFIG_PCIE_LAYERSCAPE=y diff --git a/configs/ls1012ardb_qspi_defconfig b/configs/ls1012ardb_qspi_defconfig index 13c9f21..9f5c82b 100644 --- a/configs/ls1012ardb_qspi_defconfig +++ b/configs/ls1012ardb_qspi_defconfig @@ -30,7 +30,6 @@ CONFIG_DM_SPI_FLASH=y CONFIG_SPI_FLASH=y CONFIG_NETDEVICES=y CONFIG_E1000=y -CONFIG_PCI=y CONFIG_SYS_NS16550=y CONFIG_DM_SPI=y CONFIG_FSL_DSPI=y @@ -38,3 +37,7 @@ CONFIG_USB=y CONFIG_USB_XHCI_HCD=y CONFIG_USB_XHCI_DWC3=y CONFIG_USB_STORAGE=y +CONFIG_PCI=y +CONFIG_DM_PCI=y +CONFIG_DM_PCI_COMPAT=y +CONFIG_PCIE_LAYERSCAPE=y diff --git a/include/configs/ls1012aqds.h b/include/configs/ls1012aqds.h index 0cc1791..0e4f6e3 100644 --- a/include/configs/ls1012aqds.h +++ b/include/configs/ls1012aqds.h @@ -155,24 +155,8 @@ #define CONFIG_SYS_SCSI_MAX_DEVICE (CONFIG_SYS_SCSI_MAX_SCSI_ID * \ CONFIG_SYS_SCSI_MAX_LUN) #define CONFIG_PCIE1 /* PCIE controller 1 */ -#define CONFIG_PCIE_LAYERSCAPE /* Use common FSL Layerscape PCIe code */ #define FSL_PCIE_COMPAT "fsl,ls1043a-pcie"

-#define CONFIG_SYS_PCI_64BIT - -#define CONFIG_SYS_PCIE_CFG0_PHYS_OFF 0x00000000 -#define CONFIG_SYS_PCIE_CFG0_SIZE 0x00001000 /* 4k */ -#define CONFIG_SYS_PCIE_CFG1_PHYS_OFF 0x00001000 -#define CONFIG_SYS_PCIE_CFG1_SIZE 0x00001000 /* 4k */ - -#define CONFIG_SYS_PCIE_IO_BUS 0x00000000 -#define CONFIG_SYS_PCIE_IO_PHYS_OFF 0x00010000 -#define CONFIG_SYS_PCIE_IO_SIZE 0x00010000 /* 64k */ - -#define CONFIG_SYS_PCIE_MEM_BUS 0x08000000 -#define CONFIG_SYS_PCIE_MEM_PHYS_OFF 0x04000000 -#define CONFIG_SYS_PCIE_MEM_SIZE 0x80000000 /* 128M */ - #define CONFIG_NET_MULTI #define CONFIG_PCI_SCAN_SHOW #define CONFIG_CMD_PCI diff --git a/include/configs/ls1012ardb.h b/include/configs/ls1012ardb.h index 15410dd..d5573ba 100644 --- a/include/configs/ls1012ardb.h +++ b/include/configs/ls1012ardb.h @@ -68,24 +68,8 @@ #define CONFIG_SYS_SCSI_MAX_DEVICE (CONFIG_SYS_SCSI_MAX_SCSI_ID * \ CONFIG_SYS_SCSI_MAX_LUN) #define CONFIG_PCIE1 /* PCIE controller 1 */ -#define CONFIG_PCIE_LAYERSCAPE /* Use common FSL Layerscape PCIe code */ #define FSL_PCIE_COMPAT "fsl,ls1043a-pcie"

-#define CONFIG_SYS_PCI_64BIT - -#define CONFIG_SYS_PCIE_CFG0_PHYS_OFF 0x00000000 -#define CONFIG_SYS_PCIE_CFG0_SIZE 0x00001000 /* 4k */ -#define CONFIG_SYS_PCIE_CFG1_PHYS_OFF 0x00001000 -#define CONFIG_SYS_PCIE_CFG1_SIZE 0x00001000 /* 4k */ - -#define CONFIG_SYS_PCIE_IO_BUS 0x00000000 -#define CONFIG_SYS_PCIE_IO_PHYS_OFF 0x00010000 -#define CONFIG_SYS_PCIE_IO_SIZE 0x00010000 /* 64k */ - -#define CONFIG_SYS_PCIE_MEM_BUS 0x08000000 -#define CONFIG_SYS_PCIE_MEM_PHYS_OFF 0x04000000 -#define CONFIG_SYS_PCIE_MEM_SIZE 0x80000000 /* 128M */ - #define CONFIG_NET_MULTI #define CONFIG_PCI_SCAN_SHOW #define CONFIG_CMD_PCI

From: Minghuan Lian Minghuan.Lian@nxp.com

The patch enables PCIe and E1000 in ls1046a related defconfigs.

Signed-off-by: Minghuan Lian Minghuan.Lian@nxp.com Signed-off-by: Hou Zhiqiang Zhiqiang.Hou@nxp.com --- V2: - Moved PCIe related configs macro to defconfig

configs/ls1046aqds_defconfig | 6 ++++++ configs/ls1046aqds_nand_defconfig | 6 ++++++ configs/ls1046aqds_qspi_defconfig | 6 ++++++ configs/ls1046aqds_sdcard_ifc_defconfig | 6 ++++++ configs/ls1046aqds_sdcard_qspi_defconfig | 6 ++++++ configs/ls1046ardb_emmc_defconfig | 6 ++++++ configs/ls1046ardb_qspi_defconfig | 6 ++++++ configs/ls1046ardb_sdcard_defconfig | 6 ++++++ 8 files changed, 48 insertions(+)

diff --git a/configs/ls1046aqds_defconfig b/configs/ls1046aqds_defconfig index 2cc1a0b..e80cc4d 100644 --- a/configs/ls1046aqds_defconfig +++ b/configs/ls1046aqds_defconfig @@ -26,3 +26,9 @@ CONFIG_SPI_FLASH=y CONFIG_SYS_NS16550=y CONFIG_DM_SPI=y CONFIG_FSL_DSPI=y +CONFIG_PCI=y +CONFIG_DM_PCI=y +CONFIG_DM_PCI_COMPAT=y +CONFIG_PCIE_LAYERSCAPE=y +CONFIG_NETDEVICES=y +CONFIG_E1000=y diff --git a/configs/ls1046aqds_nand_defconfig b/configs/ls1046aqds_nand_defconfig index 01140b9..57c6e61 100644 --- a/configs/ls1046aqds_nand_defconfig +++ b/configs/ls1046aqds_nand_defconfig @@ -28,3 +28,9 @@ CONFIG_SPI_FLASH=y CONFIG_SYS_NS16550=y CONFIG_DM_SPI=y CONFIG_FSL_DSPI=y +CONFIG_PCI=y +CONFIG_DM_PCI=y +CONFIG_DM_PCI_COMPAT=y +CONFIG_PCIE_LAYERSCAPE=y +CONFIG_NETDEVICES=y +CONFIG_E1000=y diff --git a/configs/ls1046aqds_qspi_defconfig b/configs/ls1046aqds_qspi_defconfig index c8a68fa..b1ef63b 100644 --- a/configs/ls1046aqds_qspi_defconfig +++ b/configs/ls1046aqds_qspi_defconfig @@ -29,3 +29,9 @@ CONFIG_SYS_NS16550=y CONFIG_DM_SPI=y CONFIG_FSL_DSPI=y CONFIG_FSL_QSPI=y +CONFIG_PCI=y +CONFIG_DM_PCI=y +CONFIG_DM_PCI_COMPAT=y +CONFIG_PCIE_LAYERSCAPE=y +CONFIG_NETDEVICES=y +CONFIG_E1000=y diff --git a/configs/ls1046aqds_sdcard_ifc_defconfig b/configs/ls1046aqds_sdcard_ifc_defconfig index e6eeadd..52a9435 100644 --- a/configs/ls1046aqds_sdcard_ifc_defconfig +++ b/configs/ls1046aqds_sdcard_ifc_defconfig @@ -28,3 +28,9 @@ CONFIG_SPI_FLASH=y CONFIG_SYS_NS16550=y CONFIG_DM_SPI=y CONFIG_FSL_DSPI=y +CONFIG_PCI=y +CONFIG_DM_PCI=y +CONFIG_DM_PCI_COMPAT=y +CONFIG_PCIE_LAYERSCAPE=y +CONFIG_NETDEVICES=y +CONFIG_E1000=y diff --git a/configs/ls1046aqds_sdcard_qspi_defconfig b/configs/ls1046aqds_sdcard_qspi_defconfig index 8a14862..b241d47 100644 --- a/configs/ls1046aqds_sdcard_qspi_defconfig +++ b/configs/ls1046aqds_sdcard_qspi_defconfig @@ -30,3 +30,9 @@ CONFIG_SYS_NS16550=y CONFIG_DM_SPI=y CONFIG_FSL_DSPI=y CONFIG_FSL_QSPI=y +CONFIG_PCI=y +CONFIG_DM_PCI=y +CONFIG_DM_PCI_COMPAT=y +CONFIG_PCIE_LAYERSCAPE=y +CONFIG_NETDEVICES=y +CONFIG_E1000=y diff --git a/configs/ls1046ardb_emmc_defconfig b/configs/ls1046ardb_emmc_defconfig index ba28047..1d974c6 100644 --- a/configs/ls1046ardb_emmc_defconfig +++ b/configs/ls1046ardb_emmc_defconfig @@ -25,3 +25,9 @@ CONFIG_SPI_FLASH=y CONFIG_SYS_NS16550=y CONFIG_DM_SPI=y CONFIG_FSL_QSPI=y +CONFIG_PCI=y +CONFIG_DM_PCI=y +CONFIG_DM_PCI_COMPAT=y +CONFIG_PCIE_LAYERSCAPE=y +CONFIG_NETDEVICES=y +CONFIG_E1000=y diff --git a/configs/ls1046ardb_qspi_defconfig b/configs/ls1046ardb_qspi_defconfig index 8508c09..583f190 100644 --- a/configs/ls1046ardb_qspi_defconfig +++ b/configs/ls1046ardb_qspi_defconfig @@ -24,3 +24,9 @@ CONFIG_SPI_FLASH=y CONFIG_SYS_NS16550=y CONFIG_DM_SPI=y CONFIG_FSL_QSPI=y +CONFIG_PCI=y +CONFIG_DM_PCI=y +CONFIG_DM_PCI_COMPAT=y +CONFIG_PCIE_LAYERSCAPE=y +CONFIG_NETDEVICES=y +CONFIG_E1000=y diff --git a/configs/ls1046ardb_sdcard_defconfig b/configs/ls1046ardb_sdcard_defconfig index 01e6397..e355c3a 100644 --- a/configs/ls1046ardb_sdcard_defconfig +++ b/configs/ls1046ardb_sdcard_defconfig @@ -25,3 +25,9 @@ CONFIG_SPI_FLASH=y CONFIG_SYS_NS16550=y CONFIG_DM_SPI=y CONFIG_FSL_QSPI=y +CONFIG_PCI=y +CONFIG_DM_PCI=y +CONFIG_DM_PCI_COMPAT=y +CONFIG_PCIE_LAYERSCAPE=y +CONFIG_NETDEVICES=y +CONFIG_E1000=y

From: Minghuan Lian Minghuan.Lian@nxp.com

All Layerscape SoCs have supported new PCIe driver based on DM. The lagecy PCIe driver code is unused and can be removed.

Signed-off-by: Minghuan Lian Minghuan.Lian@nxp.com Signed-off-by: Hou Zhiqiang Zhiqiang.Hou@nxp.com --- V2: - No change

drivers/pci/pcie_layerscape.c | 733 ------------------------------------------ 1 file changed, 733 deletions(-)

diff --git a/drivers/pci/pcie_layerscape.c b/drivers/pci/pcie_layerscape.c index f107d1c..31a485e 100644 --- a/drivers/pci/pcie_layerscape.c +++ b/drivers/pci/pcie_layerscape.c @@ -95,737 +95,6 @@ DECLARE_GLOBAL_DATA_PTR; #define PCIE_BAR2_SIZE (4 * 1024) /* 4K */ #define PCIE_BAR4_SIZE (1 * 1024 * 1024) /* 1M */

-#ifndef CONFIG_DM_PCI - -struct ls_pcie { - int idx; - void __iomem *dbi; - void __iomem *va_cfg0; - void __iomem *va_cfg1; - int next_lut_index; - struct pci_controller hose; -}; - -struct ls_pcie_info { - unsigned long regs; - int pci_num; - u64 phys_base; - u64 cfg0_phys; - u64 cfg0_size; - u64 cfg1_phys; - u64 cfg1_size; - u64 mem_bus; - u64 mem_phys; - u64 mem_size; - u64 io_bus; - u64 io_phys; - u64 io_size; -}; - -#define SET_LS_PCIE_INFO(x, num) \ -{ \ - x.regs = CONFIG_SYS_PCIE##num##_ADDR; \ - x.phys_base = CONFIG_SYS_PCIE##num##_PHYS_ADDR; \ - x.cfg0_phys = CONFIG_SYS_PCIE_CFG0_PHYS_OFF + \ - CONFIG_SYS_PCIE##num##_PHYS_ADDR; \ - x.cfg0_size = CONFIG_SYS_PCIE_CFG0_SIZE; \ - x.cfg1_phys = CONFIG_SYS_PCIE_CFG1_PHYS_OFF + \ - CONFIG_SYS_PCIE##num##_PHYS_ADDR; \ - x.cfg1_size = CONFIG_SYS_PCIE_CFG1_SIZE; \ - x.mem_bus = CONFIG_SYS_PCIE_MEM_BUS; \ - x.mem_phys = CONFIG_SYS_PCIE_MEM_PHYS_OFF + \ - CONFIG_SYS_PCIE##num##_PHYS_ADDR; \ - x.mem_size = CONFIG_SYS_PCIE_MEM_SIZE; \ - x.io_bus = CONFIG_SYS_PCIE_IO_BUS; \ - x.io_phys = CONFIG_SYS_PCIE_IO_PHYS_OFF + \ - CONFIG_SYS_PCIE##num##_PHYS_ADDR; \ - x.io_size = CONFIG_SYS_PCIE_IO_SIZE; \ - x.pci_num = num; \ -} - -#ifdef CONFIG_LS102XA -#include <asm/arch/immap_ls102xa.h> - -/* PEX1/2 Misc Ports Status Register */ -#define LTSSM_STATE_SHIFT 20 - -static int ls_pcie_link_state(struct ls_pcie *pcie) -{ - u32 state; - struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR; - - state = in_be32(&scfg->pexmscportsr[pcie->idx]); - state = (state >> LTSSM_STATE_SHIFT) & LTSSM_STATE_MASK; - if (state < LTSSM_PCIE_L0) { - debug("....PCIe link error. LTSSM=0x%02x.\n", state); - return 0; - } - - return 1; -} -#else -static int ls_pcie_link_state(struct ls_pcie *pcie) -{ - u32 state; - - state = pex_lut_in32(pcie->dbi + PCIE_LUT_BASE + PCIE_LUT_DBG) & - LTSSM_STATE_MASK; - if (state < LTSSM_PCIE_L0) { - debug("....PCIe link error. LTSSM=0x%02x.\n", state); - return 0; - } - - return 1; -} -#endif - -static int ls_pcie_link_up(struct ls_pcie *pcie) -{ - int state; - u32 cap; - - state = ls_pcie_link_state(pcie); - if (state) - return state; - - /* Try to download speed to gen1 */ - cap = readl(pcie->dbi + PCIE_LINK_CAP); - writel((cap & (~PCIE_LINK_SPEED_MASK)) | 1, pcie->dbi + PCIE_LINK_CAP); - /* - * Notice: the following delay has critical impact on link training - * if too short (<30ms) the link doesn't get up. - */ - mdelay(100); - state = ls_pcie_link_state(pcie); - if (state) - return state; - - writel(cap, pcie->dbi + PCIE_LINK_CAP); - - return 0; -} - -static void ls_pcie_cfg0_set_busdev(struct ls_pcie *pcie, u32 busdev) -{ - writel(PCIE_ATU_REGION_OUTBOUND | PCIE_ATU_REGION_INDEX0, - pcie->dbi + PCIE_ATU_VIEWPORT); - writel(busdev, pcie->dbi + PCIE_ATU_LOWER_TARGET); -} - -static void ls_pcie_cfg1_set_busdev(struct ls_pcie *pcie, u32 busdev) -{ - writel(PCIE_ATU_REGION_OUTBOUND | PCIE_ATU_REGION_INDEX1, - pcie->dbi + PCIE_ATU_VIEWPORT); - writel(busdev, pcie->dbi + PCIE_ATU_LOWER_TARGET); -} - -static void ls_pcie_iatu_outbound_set(struct ls_pcie *pcie, int idx, int type, - u64 phys, u64 bus_addr, pci_size_t size) -{ - writel(PCIE_ATU_REGION_OUTBOUND | idx, pcie->dbi + PCIE_ATU_VIEWPORT); - writel((u32)phys, pcie->dbi + PCIE_ATU_LOWER_BASE); - writel(phys >> 32, pcie->dbi + PCIE_ATU_UPPER_BASE); - writel(phys + size - 1, pcie->dbi + PCIE_ATU_LIMIT); - writel((u32)bus_addr, pcie->dbi + PCIE_ATU_LOWER_TARGET); - writel(bus_addr >> 32, pcie->dbi + PCIE_ATU_UPPER_TARGET); - writel(type, pcie->dbi + PCIE_ATU_CR1); - writel(PCIE_ATU_ENABLE, pcie->dbi + PCIE_ATU_CR2); -} - -/* Use bar match mode and MEM type as default */ -static void ls_pcie_iatu_inbound_set(struct ls_pcie *pcie, int idx, - int bar, u64 phys) -{ - writel(PCIE_ATU_REGION_INBOUND | idx, pcie->dbi + PCIE_ATU_VIEWPORT); - writel((u32)phys, pcie->dbi + PCIE_ATU_LOWER_TARGET); - writel(phys >> 32, pcie->dbi + PCIE_ATU_UPPER_TARGET); - writel(PCIE_ATU_TYPE_MEM, pcie->dbi + PCIE_ATU_CR1); - writel(PCIE_ATU_ENABLE | PCIE_ATU_BAR_MODE_ENABLE | - PCIE_ATU_BAR_NUM(bar), pcie->dbi + PCIE_ATU_CR2); -} - -static void ls_pcie_setup_atu(struct ls_pcie *pcie, struct ls_pcie_info *info) -{ -#ifdef DEBUG - int i; -#endif - - /* ATU 0 : OUTBOUND : CFG0 */ - ls_pcie_iatu_outbound_set(pcie, PCIE_ATU_REGION_INDEX0, - PCIE_ATU_TYPE_CFG0, - info->cfg0_phys, - 0, - info->cfg0_size); - /* ATU 1 : OUTBOUND : CFG1 */ - ls_pcie_iatu_outbound_set(pcie, PCIE_ATU_REGION_INDEX1, - PCIE_ATU_TYPE_CFG1, - info->cfg1_phys, - 0, - info->cfg1_size); - /* ATU 2 : OUTBOUND : MEM */ - ls_pcie_iatu_outbound_set(pcie, PCIE_ATU_REGION_INDEX2, - PCIE_ATU_TYPE_MEM, - info->mem_phys, - info->mem_bus, - info->mem_size); - /* ATU 3 : OUTBOUND : IO */ - ls_pcie_iatu_outbound_set(pcie, PCIE_ATU_REGION_INDEX3, - PCIE_ATU_TYPE_IO, - info->io_phys, - info->io_bus, - info->io_size); - -#ifdef DEBUG - for (i = 0; i <= PCIE_ATU_REGION_INDEX3; i++) { - writel(PCIE_ATU_REGION_OUTBOUND | i, - pcie->dbi + PCIE_ATU_VIEWPORT); - debug("iATU%d:\n", i); - debug("\tLOWER PHYS 0x%08x\n", - readl(pcie->dbi + PCIE_ATU_LOWER_BASE)); - debug("\tUPPER PHYS 0x%08x\n", - readl(pcie->dbi + PCIE_ATU_UPPER_BASE)); - debug("\tLOWER BUS 0x%08x\n", - readl(pcie->dbi + PCIE_ATU_LOWER_TARGET)); - debug("\tUPPER BUS 0x%08x\n", - readl(pcie->dbi + PCIE_ATU_UPPER_TARGET)); - debug("\tLIMIT 0x%08x\n", - readl(pcie->dbi + PCIE_ATU_LIMIT)); - debug("\tCR1 0x%08x\n", - readl(pcie->dbi + PCIE_ATU_CR1)); - debug("\tCR2 0x%08x\n", - readl(pcie->dbi + PCIE_ATU_CR2)); - } -#endif -} - -int pci_skip_dev(struct pci_controller *hose, pci_dev_t dev) -{ - /* Do not skip controller */ - return 0; -} - -static int ls_pcie_addr_valid(struct pci_controller *hose, pci_dev_t d) -{ - if (PCI_DEV(d) > 0) - return -EINVAL; - - /* Controller does not support multi-function in RC mode */ - if ((PCI_BUS(d) == hose->first_busno) && (PCI_FUNC(d) > 0)) - return -EINVAL; - - return 0; -} - -static int ls_pcie_read_config(struct pci_controller *hose, pci_dev_t d, - int where, u32 *val) -{ - struct ls_pcie *pcie = hose->priv_data; - u32 busdev, *addr; - - if (ls_pcie_addr_valid(hose, d)) { - *val = 0xffffffff; - return 0; - } - - if (PCI_BUS(d) == hose->first_busno) { - addr = pcie->dbi + (where & ~0x3); - } else { - busdev = PCIE_ATU_BUS(PCI_BUS(d)) | - PCIE_ATU_DEV(PCI_DEV(d)) | - PCIE_ATU_FUNC(PCI_FUNC(d)); - - if (PCI_BUS(d) == hose->first_busno + 1) { - ls_pcie_cfg0_set_busdev(pcie, busdev); - addr = pcie->va_cfg0 + (where & ~0x3); - } else { - ls_pcie_cfg1_set_busdev(pcie, busdev); - addr = pcie->va_cfg1 + (where & ~0x3); - } - } - - *val = readl(addr); - - return 0; -} - -static int ls_pcie_write_config(struct pci_controller *hose, pci_dev_t d, - int where, u32 val) -{ - struct ls_pcie *pcie = hose->priv_data; - u32 busdev, *addr; - - if (ls_pcie_addr_valid(hose, d)) - return -EINVAL; - - if (PCI_BUS(d) == hose->first_busno) { - addr = pcie->dbi + (where & ~0x3); - } else { - busdev = PCIE_ATU_BUS(PCI_BUS(d)) | - PCIE_ATU_DEV(PCI_DEV(d)) | - PCIE_ATU_FUNC(PCI_FUNC(d)); - - if (PCI_BUS(d) == hose->first_busno + 1) { - ls_pcie_cfg0_set_busdev(pcie, busdev); - addr = pcie->va_cfg0 + (where & ~0x3); - } else { - ls_pcie_cfg1_set_busdev(pcie, busdev); - addr = pcie->va_cfg1 + (where & ~0x3); - } - } - - writel(val, addr); - - return 0; -} - -static void ls_pcie_setup_ctrl(struct ls_pcie *pcie, - struct ls_pcie_info *info) -{ - struct pci_controller *hose = &pcie->hose; - pci_dev_t dev = PCI_BDF(hose->first_busno, 0, 0); - - ls_pcie_setup_atu(pcie, info); - - pci_hose_write_config_dword(hose, dev, PCI_BASE_ADDRESS_0, 0); - - /* program correct class for RC */ - writel(1, pcie->dbi + PCIE_DBI_RO_WR_EN); - pci_hose_write_config_word(hose, dev, PCI_CLASS_DEVICE, - PCI_CLASS_BRIDGE_PCI); -#ifndef CONFIG_LS102XA - writel(0, pcie->dbi + PCIE_DBI_RO_WR_EN); -#endif -} - -static void ls_pcie_ep_setup_atu(struct ls_pcie *pcie, - struct ls_pcie_info *info) -{ - u64 phys = CONFIG_SYS_PCI_EP_MEMORY_BASE; - - /* ATU 0 : INBOUND : map BAR0 */ - ls_pcie_iatu_inbound_set(pcie, PCIE_ATU_REGION_INDEX0, 0, phys); - /* ATU 1 : INBOUND : map BAR1 */ - phys += PCIE_BAR1_SIZE; - ls_pcie_iatu_inbound_set(pcie, PCIE_ATU_REGION_INDEX1, 1, phys); - /* ATU 2 : INBOUND : map BAR2 */ - phys += PCIE_BAR2_SIZE; - ls_pcie_iatu_inbound_set(pcie, PCIE_ATU_REGION_INDEX2, 2, phys); - /* ATU 3 : INBOUND : map BAR4 */ - phys = CONFIG_SYS_PCI_EP_MEMORY_BASE + PCIE_BAR4_SIZE; - ls_pcie_iatu_inbound_set(pcie, PCIE_ATU_REGION_INDEX3, 4, phys); - - /* ATU 0 : OUTBOUND : map 4G MEM */ - ls_pcie_iatu_outbound_set(pcie, PCIE_ATU_REGION_INDEX0, - PCIE_ATU_TYPE_MEM, - info->phys_base, - 0, - 4 * 1024 * 1024 * 1024ULL); -} - -/* BAR0 and BAR1 are 32bit BAR2 and BAR4 are 64bit */ -static void ls_pcie_ep_setup_bar(void *bar_base, int bar, u32 size) -{ - if (size < 4 * 1024) - return; - - switch (bar) { - case 0: - writel(size - 1, bar_base + PCI_BASE_ADDRESS_0); - break; - case 1: - writel(size - 1, bar_base + PCI_BASE_ADDRESS_1); - break; - case 2: - writel(size - 1, bar_base + PCI_BASE_ADDRESS_2); - writel(0, bar_base + PCI_BASE_ADDRESS_3); - break; - case 4: - writel(size - 1, bar_base + PCI_BASE_ADDRESS_4); - writel(0, bar_base + PCI_BASE_ADDRESS_5); - break; - default: - break; - } -} - -static void ls_pcie_ep_setup_bars(void *bar_base) -{ - /* BAR0 - 32bit - 4K configuration */ - ls_pcie_ep_setup_bar(bar_base, 0, PCIE_BAR0_SIZE); - /* BAR1 - 32bit - 8K MSIX*/ - ls_pcie_ep_setup_bar(bar_base, 1, PCIE_BAR1_SIZE); - /* BAR2 - 64bit - 4K MEM desciptor */ - ls_pcie_ep_setup_bar(bar_base, 2, PCIE_BAR2_SIZE); - /* BAR4 - 64bit - 1M MEM*/ - ls_pcie_ep_setup_bar(bar_base, 4, PCIE_BAR4_SIZE); -} - -static void ls_pcie_setup_ep(struct ls_pcie *pcie, struct ls_pcie_info *info) -{ - struct pci_controller *hose = &pcie->hose; - pci_dev_t dev = PCI_BDF(hose->first_busno, 0, 0); - int sriov; - - sriov = pci_hose_find_ext_capability(hose, dev, PCI_EXT_CAP_ID_SRIOV); - if (sriov) { - int pf, vf; - - for (pf = 0; pf < PCIE_PF_NUM; pf++) { - for (vf = 0; vf <= PCIE_VF_NUM; vf++) { -#ifndef CONFIG_LS102XA - writel(PCIE_LCTRL0_VAL(pf, vf), - pcie->dbi + PCIE_LUT_BASE + - PCIE_LUT_LCTRL0); -#endif - ls_pcie_ep_setup_bars(pcie->dbi); - ls_pcie_ep_setup_atu(pcie, info); - } - } - - /* Disable CFG2 */ -#ifndef CONFIG_LS102XA - writel(0, pcie->dbi + PCIE_LUT_BASE + PCIE_LUT_LCTRL0); -#endif - } else { - ls_pcie_ep_setup_bars(pcie->dbi + PCIE_NO_SRIOV_BAR_BASE); - ls_pcie_ep_setup_atu(pcie, info); - } -} - -#ifdef CONFIG_FSL_LSCH3 -/* - * 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) - return pcie->next_lut_index++; - else - return -1; /* LUT is full */ -} - -/* - * Program a single LUT entry - */ -static void ls_pcie_lut_set_mapping(struct ls_pcie *pcie, int index, u32 devid, - u32 streamid) -{ - void __iomem *lut; - - lut = pcie->dbi + PCIE_LUT_BASE; - - /* leave mask as all zeroes, want to match all bits */ - writel((devid << 16), lut + PCIE_LUT_UDR(index)); - writel(streamid | PCIE_LUT_ENABLE, lut + PCIE_LUT_LDR(index)); -} - -/* returns the next available streamid */ -static u32 ls_pcie_next_streamid(void) -{ - static int next_stream_id = FSL_PEX_STREAM_ID_START; - - if (next_stream_id > FSL_PEX_STREAM_ID_END) - return 0xffffffff; - - return next_stream_id++; -} - -/* - * An msi-map is a property to be added to the pci controller - * node. It is a table, where each entry consists of 4 fields - * e.g.: - * - * msi-map = <[devid] [phandle-to-msi-ctrl] [stream-id] [count] - * [devid] [phandle-to-msi-ctrl] [stream-id] [count]>; - */ -static void fdt_pcie_set_msi_map_entry(void *blob, struct ls_pcie *pcie, - u32 devid, u32 streamid) -{ - char pcie_path[19]; - u32 *prop; - u32 phandle; - int nodeoffset; - - /* find pci controller node */ - snprintf(pcie_path, sizeof(pcie_path), "/soc/pcie@%llx", - (u64)pcie->dbi); - nodeoffset = fdt_path_offset(blob, pcie_path); - if (nodeoffset < 0) { - printf("\n%s: ERROR: unable to update PCIe node: %s\n", - __func__, pcie_path); - return; - } - - /* get phandle to MSI controller */ - prop = (u32 *)fdt_getprop(blob, nodeoffset, "msi-parent", 0); - if (prop == NULL) { - printf("\n%s: ERROR: missing msi-parent: %s\n", __func__, - pcie_path); - return; - } - phandle = be32_to_cpu(*prop); - - /* set one msi-map row */ - fdt_appendprop_u32(blob, nodeoffset, "msi-map", devid); - fdt_appendprop_u32(blob, nodeoffset, "msi-map", phandle); - fdt_appendprop_u32(blob, nodeoffset, "msi-map", streamid); - fdt_appendprop_u32(blob, nodeoffset, "msi-map", 1); -} - -static void fdt_fixup_pcie(void *blob) -{ - unsigned int found_multi = 0; - unsigned char header_type; - int index; - u32 streamid; - pci_dev_t dev, bdf; - int bus; - unsigned short id; - struct pci_controller *hose; - struct ls_pcie *pcie; - int i; - - for (i = 0, hose = pci_get_hose_head(); hose; hose = hose->next, i++) { - pcie = hose->priv_data; - for (bus = hose->first_busno; bus <= hose->last_busno; bus++) { - - for (dev = PCI_BDF(bus, 0, 0); - dev < PCI_BDF(bus, PCI_MAX_PCI_DEVICES - 1, - PCI_MAX_PCI_FUNCTIONS - 1); - dev += PCI_BDF(0, 0, 1)) { - - if (PCI_FUNC(dev) && !found_multi) - continue; - - pci_read_config_word(dev, PCI_VENDOR_ID, &id); - - pci_read_config_byte(dev, PCI_HEADER_TYPE, - &header_type); - - if ((id == 0xFFFF) || (id == 0x0000)) - continue; - - if (!PCI_FUNC(dev)) - found_multi = header_type & 0x80; - - streamid = ls_pcie_next_streamid(); - if (streamid == 0xffffffff) { - printf("ERROR: no stream ids free\n"); - continue; - } - - index = ls_pcie_next_lut_index(pcie); - if (index < 0) { - printf("ERROR: no LUT indexes free\n"); - continue; - } - - /* the DT fixup must be relative to the hose first_busno */ - bdf = dev - PCI_BDF(hose->first_busno, 0, 0); - - /* map PCI b.d.f to streamID in LUT */ - ls_pcie_lut_set_mapping(pcie, index, bdf >> 8, - streamid); - - /* update msi-map in device tree */ - fdt_pcie_set_msi_map_entry(blob, pcie, bdf >> 8, - streamid); - } - } - } -} -#endif - -int ls_pcie_init_ctrl(int busno, enum srds_prtcl dev, struct ls_pcie_info *info) -{ - struct ls_pcie *pcie; - struct pci_controller *hose; - int num = dev - PCIE1; - pci_dev_t pdev = PCI_BDF(busno, 0, 0); - int i, linkup, ep_mode; - u8 header_type; - u16 temp16; - - if (!is_serdes_configured(dev)) { - printf("PCIe%d: disabled\n", num + 1); - return busno; - } - - pcie = malloc(sizeof(*pcie)); - if (!pcie) - return busno; - memset(pcie, 0, sizeof(*pcie)); - - hose = &pcie->hose; - hose->priv_data = pcie; - hose->first_busno = busno; - pcie->idx = num; - pcie->dbi = map_physmem(info->regs, PCIE_DBI_SIZE, MAP_NOCACHE); - pcie->va_cfg0 = map_physmem(info->cfg0_phys, - info->cfg0_size, - MAP_NOCACHE); - pcie->va_cfg1 = map_physmem(info->cfg1_phys, - info->cfg1_size, - MAP_NOCACHE); - pcie->next_lut_index = 0; - - /* outbound memory */ - pci_set_region(&hose->regions[0], - (pci_size_t)info->mem_bus, - (phys_size_t)info->mem_phys, - (pci_size_t)info->mem_size, - PCI_REGION_MEM); - - /* outbound io */ - pci_set_region(&hose->regions[1], - (pci_size_t)info->io_bus, - (phys_size_t)info->io_phys, - (pci_size_t)info->io_size, - PCI_REGION_IO); - - /* System memory space */ - pci_set_region(&hose->regions[2], - CONFIG_SYS_PCI_MEMORY_BUS, - CONFIG_SYS_PCI_MEMORY_PHYS, - CONFIG_SYS_PCI_MEMORY_SIZE, - PCI_REGION_SYS_MEMORY); - - hose->region_count = 3; - - for (i = 0; i < hose->region_count; i++) - debug("PCI reg:%d %016llx:%016llx %016llx %08lx\n", - i, - (u64)hose->regions[i].phys_start, - (u64)hose->regions[i].bus_start, - (u64)hose->regions[i].size, - hose->regions[i].flags); - - pci_set_ops(hose, - pci_hose_read_config_byte_via_dword, - pci_hose_read_config_word_via_dword, - ls_pcie_read_config, - pci_hose_write_config_byte_via_dword, - pci_hose_write_config_word_via_dword, - ls_pcie_write_config); - - pci_hose_read_config_byte(hose, pdev, PCI_HEADER_TYPE, &header_type); - ep_mode = (header_type & 0x7f) == PCI_HEADER_TYPE_NORMAL; - printf("PCIe%u: %s ", info->pci_num, - ep_mode ? "Endpoint" : "Root Complex"); - - if (ep_mode) - ls_pcie_setup_ep(pcie, info); - else - ls_pcie_setup_ctrl(pcie, info); - - linkup = ls_pcie_link_up(pcie); - - if (!linkup) { - /* Let the user know there's no PCIe link */ - printf("no link, regs @ 0x%lx\n", info->regs); - hose->last_busno = hose->first_busno; - return busno; - } - - /* Print the negotiated PCIe link width */ - pci_hose_read_config_word(hose, pdev, PCIE_LINK_STA, &temp16); - printf("x%d gen%d, regs @ 0x%lx\n", (temp16 & 0x3f0) >> 4, - (temp16 & 0xf), info->regs); - - if (ep_mode) - return busno; - - pci_register_hose(hose); - - hose->last_busno = pci_hose_scan(hose); - - printf("PCIe%x: Bus %02x - %02x\n", - info->pci_num, hose->first_busno, hose->last_busno); - - return hose->last_busno + 1; -} - -int ls_pcie_init_board(int busno) -{ - struct ls_pcie_info info; - -#ifdef CONFIG_PCIE1 - SET_LS_PCIE_INFO(info, 1); - busno = ls_pcie_init_ctrl(busno, PCIE1, &info); -#endif - -#ifdef CONFIG_PCIE2 - SET_LS_PCIE_INFO(info, 2); - busno = ls_pcie_init_ctrl(busno, PCIE2, &info); -#endif - -#ifdef CONFIG_PCIE3 - SET_LS_PCIE_INFO(info, 3); - busno = ls_pcie_init_ctrl(busno, PCIE3, &info); -#endif - -#ifdef CONFIG_PCIE4 - SET_LS_PCIE_INFO(info, 4); - busno = ls_pcie_init_ctrl(busno, PCIE4, &info); -#endif - - return busno; -} - -void pci_init_board(void) -{ - ls_pcie_init_board(0); -} - -#ifdef CONFIG_OF_BOARD_SETUP -#include <libfdt.h> -#include <fdt_support.h> - -static void ft_pcie_ls_setup(void *blob, const char *pci_compat, - unsigned long ctrl_addr, enum srds_prtcl dev) -{ - int off; - - off = fdt_node_offset_by_compat_reg(blob, pci_compat, - (phys_addr_t)ctrl_addr); - if (off < 0) - return; - - if (!is_serdes_configured(dev)) - fdt_set_node_status(blob, off, FDT_STATUS_DISABLED, 0); -} - -void ft_pci_setup(void *blob, bd_t *bd) -{ - #ifdef CONFIG_PCIE1 - ft_pcie_ls_setup(blob, FSL_PCIE_COMPAT, CONFIG_SYS_PCIE1_ADDR, PCIE1); - #endif - - #ifdef CONFIG_PCIE2 - ft_pcie_ls_setup(blob, FSL_PCIE_COMPAT, CONFIG_SYS_PCIE2_ADDR, PCIE2); - #endif - - #ifdef CONFIG_PCIE3 - ft_pcie_ls_setup(blob, FSL_PCIE_COMPAT, CONFIG_SYS_PCIE3_ADDR, PCIE3); - #endif - - #ifdef CONFIG_PCIE4 - ft_pcie_ls_setup(blob, FSL_PCIE_COMPAT, CONFIG_SYS_PCIE4_ADDR, PCIE4); - #endif - - #ifdef CONFIG_FSL_LSCH3 - fdt_fixup_pcie(blob); - #endif -} - -#else -void ft_pci_setup(void *blob, bd_t *bd) -{ -} -#endif - -#else - /* LUT registers */ #define PCIE_LUT_UDR(n) (0x800 + (n) * 8) #define PCIE_LUT_LDR(n) (0x804 + (n) * 8) @@ -1573,5 +842,3 @@ U_BOOT_DRIVER(pci_layerscape) = { .probe = ls_pcie_probe, .priv_auto_alloc_size = sizeof(struct ls_pcie), }; - -#endif /* CONFIG_DM_PCI */