diff options
Diffstat (limited to 'drivers/marvell/comphy/phy-comphy-common.h')
| -rw-r--r-- | drivers/marvell/comphy/phy-comphy-common.h | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/drivers/marvell/comphy/phy-comphy-common.h b/drivers/marvell/comphy/phy-comphy-common.h index 78c7a38fc..e3b430a91 100644 --- a/drivers/marvell/comphy/phy-comphy-common.h +++ b/drivers/marvell/comphy/phy-comphy-common.h @@ -18,13 +18,15 @@ #endif /* A lane is described by 4 fields: - * - bit 1~0 represent comphy polarity invert - * - bit 7~2 represent comphy speed - * - bit 11~8 represent unit index - * - bit 16~12 represent mode - * - bit 17 represent comphy indication of clock source - * - bit 19-18 represents pcie width (in case of pcie comphy config.) - * - bit 31~20 reserved + * - bit 1~0 represent comphy polarity invert + * - bit 7~2 represent comphy speed + * - bit 11~8 represent unit index + * - bit 16~12 represent mode + * - bit 17 represent comphy indication of clock source + * - bit 20~18 represents pcie width (in case of pcie comphy config.) + * - bit 21 represents the source of the request (Linux/Bootloader), + * (reguired only for PCIe!) + * - bit 31~22 reserved */ #define COMPHY_INVERT_OFFSET 0 @@ -50,6 +52,11 @@ #define COMPHY_PCI_WIDTH_LEN 3 #define COMPHY_PCI_WIDTH_MASK COMPHY_MASK(COMPHY_PCI_WIDTH_OFFSET, \ COMPHY_PCI_WIDTH_LEN) +#define COMPHY_PCI_CALLER_OFFSET \ + (COMPHY_PCI_WIDTH_OFFSET + COMPHY_PCI_WIDTH_LEN) +#define COMPHY_PCI_CALLER_LEN 1 +#define COMPHY_PCI_CALLER_MASK COMPHY_MASK(COMPHY_PCI_CALLER_OFFSET, \ + COMPHY_PCI_CALLER_LEN) #define COMPHY_MASK(offset, len) (((1 << (len)) - 1) << (offset)) @@ -69,6 +76,10 @@ #define COMPHY_GET_PCIE_WIDTH(x) (((x) & COMPHY_PCI_WIDTH_MASK) >> \ COMPHY_PCI_WIDTH_OFFSET) +/* Macro which extracts the caller for pcie power on from lane description */ +#define COMPHY_GET_CALLER(x) (((x) & COMPHY_PCI_CALLER_MASK) >> \ + COMPHY_PCI_CALLER_OFFSET) + /* Macro which extracts the polarity invert from lane description */ #define COMPHY_GET_POLARITY_INVERT(x) (((x) & COMPHY_INVERT_MASK) >> \ COMPHY_INVERT_OFFSET) |