| /drivers/pci/controller/dwc/ |
| A D | pci-layerscape-ep.c | 48 u32 lnkcap; member
96 dw_pcie_writel_dbi(pci, offset + PCI_EXP_LNKCAP, pcie->lnkcap); in ls_pcie_ep_event_handler()
276 pcie->lnkcap = dw_pcie_readl_dbi(pci, offset + PCI_EXP_LNKCAP); in ls_pcie_ep_probe()
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| A D | pcie-dw-rockchip.c | 199 u32 cap, lnkcap; in rockchip_pcie_enable_l0s() local
204 lnkcap = dw_pcie_readl_dbi(pci, cap + PCI_EXP_LNKCAP); in rockchip_pcie_enable_l0s()
205 lnkcap |= PCI_EXP_LNKCAP_ASPM_L0S; in rockchip_pcie_enable_l0s()
207 dw_pcie_writel_dbi(pci, cap + PCI_EXP_LNKCAP, lnkcap); in rockchip_pcie_enable_l0s()
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| A D | pcie-designware.c | 809 u32 lnkcap = dw_pcie_readl_dbi(pci, cap + PCI_EXP_LNKCAP); in dw_pcie_link_get_max_link_width() local
811 return FIELD_GET(PCI_EXP_LNKCAP_MLW, lnkcap); in dw_pcie_link_get_max_link_width()
816 u32 lnkcap, lwsc, plc; in dw_pcie_link_set_max_link_width() local
852 lnkcap = dw_pcie_readl_dbi(pci, cap + PCI_EXP_LNKCAP); in dw_pcie_link_set_max_link_width()
853 lnkcap &= ~PCI_EXP_LNKCAP_MLW; in dw_pcie_link_set_max_link_width()
854 lnkcap |= FIELD_PREP(PCI_EXP_LNKCAP_MLW, num_lanes); in dw_pcie_link_set_max_link_width()
855 dw_pcie_writel_dbi(pci, cap + PCI_EXP_LNKCAP, lnkcap); in dw_pcie_link_set_max_link_width()
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| /drivers/pci/controller/ |
| A D | pci-mvebu.c | 251 u32 ctrl, lnkcap, cmd, dev_rev, unmask, sspl; in mvebu_pcie_setup_hw() local
265 lnkcap = mvebu_readl(port, PCIE_CAP_PCIEXP + PCI_EXP_LNKCAP); in mvebu_pcie_setup_hw()
266 lnkcap &= ~PCI_EXP_LNKCAP_MLW; in mvebu_pcie_setup_hw()
267 lnkcap |= FIELD_PREP(PCI_EXP_LNKCAP_MLW, port->is_x4 ? 4 : 1); in mvebu_pcie_setup_hw()
268 mvebu_writel(port, lnkcap, PCIE_CAP_PCIEXP + PCI_EXP_LNKCAP); in mvebu_pcie_setup_hw()
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| A D | pcie-brcmstb.c | 419 u32 lnkcap = readl(pcie->base + PCIE_RC_CFG_PRIV1_LINK_CAPABILITY); in brcm_pcie_set_gen() local
421 u32p_replace_bits(&lnkcap, gen, PCI_EXP_LNKCAP_SLS); in brcm_pcie_set_gen()
422 writel(lnkcap, pcie->base + PCIE_RC_CFG_PRIV1_LINK_CAPABILITY); in brcm_pcie_set_gen()
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| /drivers/pci/ |
| A D | pci-bridge-emul.h | 50 __le32 lnkcap; member
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| A D | pci.c | 6112 u32 lnkcap2, lnkcap; in pcie_get_supported_speeds() local
6123 pcie_capability_read_dword(dev, PCI_EXP_LNKCAP, &lnkcap); in pcie_get_supported_speeds()
6124 speeds &= GENMASK(lnkcap & PCI_EXP_LNKCAP_SLS, 0); in pcie_get_supported_speeds()
6131 if ((lnkcap & PCI_EXP_LNKCAP_SLS) == PCI_EXP_LNKCAP_SLS_5_0GB) in pcie_get_supported_speeds()
6133 else if ((lnkcap & PCI_EXP_LNKCAP_SLS) == PCI_EXP_LNKCAP_SLS_2_5GB) in pcie_get_supported_speeds()
6162 u32 lnkcap; in pcie_get_width_cap() local
6164 pcie_capability_read_dword(dev, PCI_EXP_LNKCAP, &lnkcap); in pcie_get_width_cap()
6165 if (lnkcap) in pcie_get_width_cap()
6166 return FIELD_GET(PCI_EXP_LNKCAP_MLW, lnkcap); in pcie_get_width_cap()
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| A D | pci.h | 389 #define PCIE_LNKCAP_SLS2SPEED(lnkcap) \ argument
391 u32 lnkcap_sls = (lnkcap) & PCI_EXP_LNKCAP_SLS; \
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| A D | quirks.c | 131 u32 lnkcap; in pcie_failed_link_retrain() local
134 pcie_capability_read_dword(dev, PCI_EXP_LNKCAP, &lnkcap); in pcie_failed_link_retrain()
135 ret = pcie_set_target_speed(dev, PCIE_LNKCAP_SLS2SPEED(lnkcap), false); in pcie_failed_link_retrain()
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| /drivers/cxl/core/ |
| A D | pci.c | 42 u32 lnkcap, port_num; in match_add_dports() local
52 &lnkcap)) in match_add_dports()
59 port_num = FIELD_GET(PCI_EXP_LNKCAP_PN, lnkcap); in match_add_dports()
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| /drivers/pci/pcie/ |
| A D | aspm.c | 476 static u32 calc_l0s_latency(u32 lnkcap) in calc_l0s_latency() argument
478 u32 encoding = FIELD_GET(PCI_EXP_LNKCAP_L0SEL, lnkcap); in calc_l0s_latency()
494 static u32 calc_l1_latency(u32 lnkcap) in calc_l1_latency() argument
496 u32 encoding = FIELD_GET(PCI_EXP_LNKCAP_L1EL, lnkcap); in calc_l1_latency()
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| /drivers/gpu/drm/amd/amdgpu/ |
| A D | cik.c | 1774 u32 lnkcap; in cik_program_aspm() local
1777 pcie_capability_read_dword(root, PCI_EXP_LNKCAP, &lnkcap); in cik_program_aspm()
1778 if (lnkcap & PCI_EXP_LNKCAP_CLKPM) in cik_program_aspm()
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| A D | si.c | 2555 u32 lnkcap; in si_program_aspm() local
2558 pcie_capability_read_dword(root, PCI_EXP_LNKCAP, &lnkcap); in si_program_aspm()
2559 if (lnkcap & PCI_EXP_LNKCAP_CLKPM) in si_program_aspm()
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| /drivers/gpu/drm/radeon/ |
| A D | si.c | 7355 u32 lnkcap; in si_program_aspm() local
7358 pcie_capability_read_dword(root, PCI_EXP_LNKCAP, &lnkcap); in si_program_aspm()
7359 if (lnkcap & PCI_EXP_LNKCAP_CLKPM) in si_program_aspm()
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| A D | cik.c | 9740 u32 lnkcap; in cik_program_aspm() local
9743 pcie_capability_read_dword(root, PCI_EXP_LNKCAP, &lnkcap); in cik_program_aspm()
9744 if (lnkcap & PCI_EXP_LNKCAP_CLKPM) in cik_program_aspm()
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