From: Igal Liberman igall@marvell.com
It helps ATF to determine who called power on function (U-boot/Linux).
The corresponding ATF code was added in this commit:
mvebu: cp110: avoid pcie power on/off sequence when called from Linux https://github.com/ARM-software/arm-trusted-firmware/commit/55df84f974ea37ab...
Signed-off-by: Igal Liberman igall@marvell.com Reviewed-by: Grzegorz Jaszczyk jaz@semihalf.com Signed-off-by: Baruch Siach baruch@tkos.co.il --- drivers/phy/marvell/comphy_cp110.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/phy/marvell/comphy_cp110.c b/drivers/phy/marvell/comphy_cp110.c index 5b6aaa62487b..b0fcb13f1c9a 100644 --- a/drivers/phy/marvell/comphy_cp110.c +++ b/drivers/phy/marvell/comphy_cp110.c @@ -28,13 +28,16 @@ DECLARE_GLOBAL_DATA_PTR; #define MV_SIP_COMPHY_POWER_OFF 0x82000002 #define MV_SIP_COMPHY_PLL_LOCK 0x82000003
+/* Used to distinguish between different possible callers (U-boot/Linux) */ +#define COMPHY_CALLER_UBOOT (0x1 << 21) + #define COMPHY_FW_MODE_FORMAT(mode) ((mode) << 12) #define COMPHY_FW_FORMAT(mode, idx, speeds) \ (((mode) << 12) | ((idx) << 8) | ((speeds) << 2))
#define COMPHY_FW_PCIE_FORMAT(pcie_width, clk_src, mode, speeds) \ - (((pcie_width) << 18) | ((clk_src) << 17) | \ - COMPHY_FW_FORMAT(mode, 0, speeds)) + (COMPHY_CALLER_UBOOT | ((pcie_width) << 18) | \ + ((clk_src) << 17) | COMPHY_FW_FORMAT(mode, 0, speeds))
#define COMPHY_SATA_MODE 0x1 #define COMPHY_SGMII_MODE 0x2 /* SGMII 1G */