PCI: iproc: Clean up whitespace
Use tabs (not spaces) for indentation. No functional change intended. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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@ -31,71 +31,71 @@
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#include "pcie-iproc.h"
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#define EP_PERST_SOURCE_SELECT_SHIFT 2
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#define EP_PERST_SOURCE_SELECT BIT(EP_PERST_SOURCE_SELECT_SHIFT)
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#define EP_MODE_SURVIVE_PERST_SHIFT 1
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#define EP_MODE_SURVIVE_PERST BIT(EP_MODE_SURVIVE_PERST_SHIFT)
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#define RC_PCIE_RST_OUTPUT_SHIFT 0
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#define RC_PCIE_RST_OUTPUT BIT(RC_PCIE_RST_OUTPUT_SHIFT)
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#define PAXC_RESET_MASK 0x7f
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#define EP_PERST_SOURCE_SELECT_SHIFT 2
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#define EP_PERST_SOURCE_SELECT BIT(EP_PERST_SOURCE_SELECT_SHIFT)
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#define EP_MODE_SURVIVE_PERST_SHIFT 1
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#define EP_MODE_SURVIVE_PERST BIT(EP_MODE_SURVIVE_PERST_SHIFT)
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#define RC_PCIE_RST_OUTPUT_SHIFT 0
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#define RC_PCIE_RST_OUTPUT BIT(RC_PCIE_RST_OUTPUT_SHIFT)
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#define PAXC_RESET_MASK 0x7f
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#define GIC_V3_CFG_SHIFT 0
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#define GIC_V3_CFG BIT(GIC_V3_CFG_SHIFT)
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#define GIC_V3_CFG_SHIFT 0
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#define GIC_V3_CFG BIT(GIC_V3_CFG_SHIFT)
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#define MSI_ENABLE_CFG_SHIFT 0
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#define MSI_ENABLE_CFG BIT(MSI_ENABLE_CFG_SHIFT)
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#define MSI_ENABLE_CFG_SHIFT 0
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#define MSI_ENABLE_CFG BIT(MSI_ENABLE_CFG_SHIFT)
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#define CFG_IND_ADDR_MASK 0x00001ffc
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#define CFG_IND_ADDR_MASK 0x00001ffc
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#define CFG_ADDR_BUS_NUM_SHIFT 20
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#define CFG_ADDR_BUS_NUM_MASK 0x0ff00000
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#define CFG_ADDR_DEV_NUM_SHIFT 15
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#define CFG_ADDR_DEV_NUM_MASK 0x000f8000
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#define CFG_ADDR_FUNC_NUM_SHIFT 12
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#define CFG_ADDR_FUNC_NUM_MASK 0x00007000
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#define CFG_ADDR_REG_NUM_SHIFT 2
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#define CFG_ADDR_REG_NUM_MASK 0x00000ffc
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#define CFG_ADDR_CFG_TYPE_SHIFT 0
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#define CFG_ADDR_CFG_TYPE_MASK 0x00000003
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#define CFG_ADDR_BUS_NUM_SHIFT 20
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#define CFG_ADDR_BUS_NUM_MASK 0x0ff00000
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#define CFG_ADDR_DEV_NUM_SHIFT 15
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#define CFG_ADDR_DEV_NUM_MASK 0x000f8000
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#define CFG_ADDR_FUNC_NUM_SHIFT 12
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#define CFG_ADDR_FUNC_NUM_MASK 0x00007000
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#define CFG_ADDR_REG_NUM_SHIFT 2
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#define CFG_ADDR_REG_NUM_MASK 0x00000ffc
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#define CFG_ADDR_CFG_TYPE_SHIFT 0
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#define CFG_ADDR_CFG_TYPE_MASK 0x00000003
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#define SYS_RC_INTX_MASK 0xf
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#define SYS_RC_INTX_MASK 0xf
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#define PCIE_PHYLINKUP_SHIFT 3
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#define PCIE_PHYLINKUP BIT(PCIE_PHYLINKUP_SHIFT)
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#define PCIE_DL_ACTIVE_SHIFT 2
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#define PCIE_DL_ACTIVE BIT(PCIE_DL_ACTIVE_SHIFT)
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#define PCIE_PHYLINKUP_SHIFT 3
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#define PCIE_PHYLINKUP BIT(PCIE_PHYLINKUP_SHIFT)
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#define PCIE_DL_ACTIVE_SHIFT 2
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#define PCIE_DL_ACTIVE BIT(PCIE_DL_ACTIVE_SHIFT)
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#define APB_ERR_EN_SHIFT 0
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#define APB_ERR_EN BIT(APB_ERR_EN_SHIFT)
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#define APB_ERR_EN_SHIFT 0
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#define APB_ERR_EN BIT(APB_ERR_EN_SHIFT)
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#define CFG_RETRY_STATUS 0xffff0001
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#define CFG_RETRY_STATUS_TIMEOUT_US 500000 /* 500 milliseconds */
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#define CFG_RETRY_STATUS 0xffff0001
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#define CFG_RETRY_STATUS_TIMEOUT_US 500000 /* 500 milliseconds */
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/* derive the enum index of the outbound/inbound mapping registers */
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#define MAP_REG(base_reg, index) ((base_reg) + (index) * 2)
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#define MAP_REG(base_reg, index) ((base_reg) + (index) * 2)
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/*
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* Maximum number of outbound mapping window sizes that can be supported by any
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* OARR/OMAP mapping pair
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*/
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#define MAX_NUM_OB_WINDOW_SIZES 4
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#define MAX_NUM_OB_WINDOW_SIZES 4
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#define OARR_VALID_SHIFT 0
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#define OARR_VALID BIT(OARR_VALID_SHIFT)
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#define OARR_SIZE_CFG_SHIFT 1
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#define OARR_VALID_SHIFT 0
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#define OARR_VALID BIT(OARR_VALID_SHIFT)
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#define OARR_SIZE_CFG_SHIFT 1
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/*
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* Maximum number of inbound mapping region sizes that can be supported by an
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* IARR
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*/
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#define MAX_NUM_IB_REGION_SIZES 9
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#define MAX_NUM_IB_REGION_SIZES 9
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#define IMAP_VALID_SHIFT 0
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#define IMAP_VALID BIT(IMAP_VALID_SHIFT)
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#define IMAP_VALID_SHIFT 0
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#define IMAP_VALID BIT(IMAP_VALID_SHIFT)
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#define IPROC_PCI_EXP_CAP 0xac
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#define IPROC_PCIE_REG_INVALID 0xffff
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#define IPROC_PCIE_REG_INVALID 0xffff
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/**
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* iProc PCIe outbound mapping controller specific parameters
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@ -307,80 +307,80 @@ enum iproc_pcie_reg {
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/* iProc PCIe PAXB BCMA registers */
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static const u16 iproc_pcie_reg_paxb_bcma[] = {
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[IPROC_PCIE_CLK_CTRL] = 0x000,
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[IPROC_PCIE_CFG_IND_ADDR] = 0x120,
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[IPROC_PCIE_CFG_IND_DATA] = 0x124,
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[IPROC_PCIE_CFG_ADDR] = 0x1f8,
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[IPROC_PCIE_CFG_DATA] = 0x1fc,
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[IPROC_PCIE_INTX_EN] = 0x330,
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[IPROC_PCIE_LINK_STATUS] = 0xf0c,
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[IPROC_PCIE_CLK_CTRL] = 0x000,
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[IPROC_PCIE_CFG_IND_ADDR] = 0x120,
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[IPROC_PCIE_CFG_IND_DATA] = 0x124,
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[IPROC_PCIE_CFG_ADDR] = 0x1f8,
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[IPROC_PCIE_CFG_DATA] = 0x1fc,
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[IPROC_PCIE_INTX_EN] = 0x330,
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[IPROC_PCIE_LINK_STATUS] = 0xf0c,
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};
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/* iProc PCIe PAXB registers */
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static const u16 iproc_pcie_reg_paxb[] = {
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[IPROC_PCIE_CLK_CTRL] = 0x000,
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[IPROC_PCIE_CFG_IND_ADDR] = 0x120,
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[IPROC_PCIE_CFG_IND_DATA] = 0x124,
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[IPROC_PCIE_CFG_ADDR] = 0x1f8,
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[IPROC_PCIE_CFG_DATA] = 0x1fc,
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[IPROC_PCIE_INTX_EN] = 0x330,
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[IPROC_PCIE_OARR0] = 0xd20,
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[IPROC_PCIE_OMAP0] = 0xd40,
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[IPROC_PCIE_OARR1] = 0xd28,
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[IPROC_PCIE_OMAP1] = 0xd48,
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[IPROC_PCIE_LINK_STATUS] = 0xf0c,
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[IPROC_PCIE_APB_ERR_EN] = 0xf40,
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[IPROC_PCIE_CLK_CTRL] = 0x000,
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[IPROC_PCIE_CFG_IND_ADDR] = 0x120,
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[IPROC_PCIE_CFG_IND_DATA] = 0x124,
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[IPROC_PCIE_CFG_ADDR] = 0x1f8,
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[IPROC_PCIE_CFG_DATA] = 0x1fc,
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[IPROC_PCIE_INTX_EN] = 0x330,
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[IPROC_PCIE_OARR0] = 0xd20,
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[IPROC_PCIE_OMAP0] = 0xd40,
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[IPROC_PCIE_OARR1] = 0xd28,
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[IPROC_PCIE_OMAP1] = 0xd48,
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[IPROC_PCIE_LINK_STATUS] = 0xf0c,
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[IPROC_PCIE_APB_ERR_EN] = 0xf40,
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};
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/* iProc PCIe PAXB v2 registers */
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static const u16 iproc_pcie_reg_paxb_v2[] = {
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[IPROC_PCIE_CLK_CTRL] = 0x000,
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[IPROC_PCIE_CFG_IND_ADDR] = 0x120,
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[IPROC_PCIE_CFG_IND_DATA] = 0x124,
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[IPROC_PCIE_CFG_ADDR] = 0x1f8,
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[IPROC_PCIE_CFG_DATA] = 0x1fc,
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[IPROC_PCIE_INTX_EN] = 0x330,
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[IPROC_PCIE_OARR0] = 0xd20,
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[IPROC_PCIE_OMAP0] = 0xd40,
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[IPROC_PCIE_OARR1] = 0xd28,
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[IPROC_PCIE_OMAP1] = 0xd48,
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[IPROC_PCIE_OARR2] = 0xd60,
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[IPROC_PCIE_OMAP2] = 0xd68,
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[IPROC_PCIE_OARR3] = 0xdf0,
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[IPROC_PCIE_OMAP3] = 0xdf8,
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[IPROC_PCIE_IARR0] = 0xd00,
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[IPROC_PCIE_IMAP0] = 0xc00,
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[IPROC_PCIE_IARR2] = 0xd10,
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[IPROC_PCIE_IMAP2] = 0xcc0,
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[IPROC_PCIE_IARR3] = 0xe00,
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[IPROC_PCIE_IMAP3] = 0xe08,
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[IPROC_PCIE_IARR4] = 0xe68,
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[IPROC_PCIE_IMAP4] = 0xe70,
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[IPROC_PCIE_LINK_STATUS] = 0xf0c,
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[IPROC_PCIE_APB_ERR_EN] = 0xf40,
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[IPROC_PCIE_CLK_CTRL] = 0x000,
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[IPROC_PCIE_CFG_IND_ADDR] = 0x120,
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[IPROC_PCIE_CFG_IND_DATA] = 0x124,
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[IPROC_PCIE_CFG_ADDR] = 0x1f8,
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[IPROC_PCIE_CFG_DATA] = 0x1fc,
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[IPROC_PCIE_INTX_EN] = 0x330,
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[IPROC_PCIE_OARR0] = 0xd20,
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[IPROC_PCIE_OMAP0] = 0xd40,
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[IPROC_PCIE_OARR1] = 0xd28,
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[IPROC_PCIE_OMAP1] = 0xd48,
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[IPROC_PCIE_OARR2] = 0xd60,
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[IPROC_PCIE_OMAP2] = 0xd68,
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[IPROC_PCIE_OARR3] = 0xdf0,
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[IPROC_PCIE_OMAP3] = 0xdf8,
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[IPROC_PCIE_IARR0] = 0xd00,
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[IPROC_PCIE_IMAP0] = 0xc00,
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[IPROC_PCIE_IARR2] = 0xd10,
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[IPROC_PCIE_IMAP2] = 0xcc0,
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[IPROC_PCIE_IARR3] = 0xe00,
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[IPROC_PCIE_IMAP3] = 0xe08,
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[IPROC_PCIE_IARR4] = 0xe68,
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[IPROC_PCIE_IMAP4] = 0xe70,
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[IPROC_PCIE_LINK_STATUS] = 0xf0c,
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[IPROC_PCIE_APB_ERR_EN] = 0xf40,
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};
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/* iProc PCIe PAXC v1 registers */
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static const u16 iproc_pcie_reg_paxc[] = {
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[IPROC_PCIE_CLK_CTRL] = 0x000,
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[IPROC_PCIE_CFG_IND_ADDR] = 0x1f0,
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[IPROC_PCIE_CFG_IND_DATA] = 0x1f4,
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[IPROC_PCIE_CFG_ADDR] = 0x1f8,
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[IPROC_PCIE_CFG_DATA] = 0x1fc,
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[IPROC_PCIE_CLK_CTRL] = 0x000,
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[IPROC_PCIE_CFG_IND_ADDR] = 0x1f0,
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[IPROC_PCIE_CFG_IND_DATA] = 0x1f4,
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[IPROC_PCIE_CFG_ADDR] = 0x1f8,
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[IPROC_PCIE_CFG_DATA] = 0x1fc,
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};
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/* iProc PCIe PAXC v2 registers */
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static const u16 iproc_pcie_reg_paxc_v2[] = {
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[IPROC_PCIE_MSI_GIC_MODE] = 0x050,
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[IPROC_PCIE_MSI_BASE_ADDR] = 0x074,
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[IPROC_PCIE_MSI_WINDOW_SIZE] = 0x078,
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[IPROC_PCIE_MSI_ADDR_LO] = 0x07c,
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[IPROC_PCIE_MSI_ADDR_HI] = 0x080,
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[IPROC_PCIE_MSI_EN_CFG] = 0x09c,
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[IPROC_PCIE_CFG_IND_ADDR] = 0x1f0,
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[IPROC_PCIE_CFG_IND_DATA] = 0x1f4,
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[IPROC_PCIE_CFG_ADDR] = 0x1f8,
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[IPROC_PCIE_CFG_DATA] = 0x1fc,
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[IPROC_PCIE_MSI_GIC_MODE] = 0x050,
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[IPROC_PCIE_MSI_BASE_ADDR] = 0x074,
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[IPROC_PCIE_MSI_WINDOW_SIZE] = 0x078,
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[IPROC_PCIE_MSI_ADDR_LO] = 0x07c,
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[IPROC_PCIE_MSI_ADDR_HI] = 0x080,
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[IPROC_PCIE_MSI_EN_CFG] = 0x09c,
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[IPROC_PCIE_CFG_IND_ADDR] = 0x1f0,
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[IPROC_PCIE_CFG_IND_DATA] = 0x1f4,
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[IPROC_PCIE_CFG_ADDR] = 0x1f8,
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[IPROC_PCIE_CFG_DATA] = 0x1fc,
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};
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static inline struct iproc_pcie *iproc_data(struct pci_bus *bus)
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@ -511,7 +511,7 @@ static unsigned int iproc_pcie_cfg_retry(void __iomem *cfg_data_p)
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}
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static int iproc_pcie_config_read(struct pci_bus *bus, unsigned int devfn,
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int where, int size, u32 *val)
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int where, int size, u32 *val)
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{
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struct iproc_pcie *pcie = iproc_data(bus);
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unsigned int slot = PCI_SLOT(devfn);
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@ -552,8 +552,7 @@ static int iproc_pcie_config_read(struct pci_bus *bus, unsigned int devfn,
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* by 'pci_lock' in drivers/pci/access.c
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*/
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static void __iomem *iproc_pcie_map_cfg_bus(struct iproc_pcie *pcie,
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int busno,
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unsigned int devfn,
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int busno, unsigned int devfn,
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int where)
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{
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unsigned slot = PCI_SLOT(devfn);
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@ -726,16 +725,16 @@ static int iproc_pcie_check_link(struct iproc_pcie *pcie)
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}
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/* make sure we are not in EP mode */
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iproc_pci_raw_config_read32(pcie, 0, PCI_HEADER_TYPE, 1, &hdr_type);
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iproc_pci_raw_config_read32(pcie, 0, PCI_HEADER_TYPE, 1, &hdr_type);
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if ((hdr_type & 0x7f) != PCI_HEADER_TYPE_BRIDGE) {
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dev_err(dev, "in EP mode, hdr=%#02x\n", hdr_type);
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return -EFAULT;
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}
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/* force class to PCI_CLASS_BRIDGE_PCI (0x0604) */
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#define PCI_BRIDGE_CTRL_REG_OFFSET 0x43c
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#define PCI_CLASS_BRIDGE_MASK 0xffff00
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#define PCI_CLASS_BRIDGE_SHIFT 8
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#define PCI_BRIDGE_CTRL_REG_OFFSET 0x43c
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#define PCI_CLASS_BRIDGE_MASK 0xffff00
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#define PCI_CLASS_BRIDGE_SHIFT 8
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iproc_pci_raw_config_read32(pcie, 0, PCI_BRIDGE_CTRL_REG_OFFSET,
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4, &class);
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class &= ~PCI_CLASS_BRIDGE_MASK;
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@ -751,9 +750,9 @@ static int iproc_pcie_check_link(struct iproc_pcie *pcie)
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if (!link_is_active) {
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/* try GEN 1 link speed */
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#define PCI_TARGET_LINK_SPEED_MASK 0xf
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#define PCI_TARGET_LINK_SPEED_GEN2 0x2
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#define PCI_TARGET_LINK_SPEED_GEN1 0x1
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#define PCI_TARGET_LINK_SPEED_MASK 0xf
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#define PCI_TARGET_LINK_SPEED_GEN2 0x2
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#define PCI_TARGET_LINK_SPEED_GEN1 0x1
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iproc_pci_raw_config_read32(pcie, 0,
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IPROC_PCI_EXP_CAP + PCI_EXP_LNKCTL2,
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4, &link_ctrl);
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