diff options
Diffstat (limited to 'arch/mips/cavium-octeon/executive/cvmx-helper.c')
| -rw-r--r-- | arch/mips/cavium-octeon/executive/cvmx-helper.c | 93 |
1 files changed, 78 insertions, 15 deletions
diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper.c b/arch/mips/cavium-octeon/executive/cvmx-helper.c index daa8c8bbcfe..fa496385635 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-helper.c +++ b/arch/mips/cavium-octeon/executive/cvmx-helper.c @@ -234,21 +234,16 @@ static int __cvmx_helper_port_setup_ipd(int ipd_port) } /** - * This function probes an interface to determine the actual - * number of hardware ports connected to it. It doesn't setup the - * ports or enable them. The main goal here is to set the global - * interface_port_count[interface] correctly. Hardware setup of the - * ports will be performed later. + * This function sets the interface_port_count[interface] correctly, + * without modifying any hardware configuration. Hardware setup of + * the ports will be performed later. * * @interface: Interface to probe * * Returns Zero on success, negative on failure */ -int cvmx_helper_interface_probe(int interface) +int cvmx_helper_interface_enumerate(int interface) { - /* At this stage in the game we don't want packets to be moving yet. - The following probe calls should perform hardware setup - needed to determine port counts. Receive must still be disabled */ switch (cvmx_helper_interface_get_mode(interface)) { /* These types don't support ports to IPD/PKO */ case CVMX_HELPER_INTERFACE_MODE_DISABLED: @@ -258,7 +253,7 @@ int cvmx_helper_interface_probe(int interface) /* XAUI is a single high speed port */ case CVMX_HELPER_INTERFACE_MODE_XAUI: interface_port_count[interface] = - __cvmx_helper_xaui_probe(interface); + __cvmx_helper_xaui_enumerate(interface); break; /* * RGMII/GMII/MII are all treated about the same. Most @@ -267,7 +262,7 @@ int cvmx_helper_interface_probe(int interface) case CVMX_HELPER_INTERFACE_MODE_RGMII: case CVMX_HELPER_INTERFACE_MODE_GMII: interface_port_count[interface] = - __cvmx_helper_rgmii_probe(interface); + __cvmx_helper_rgmii_enumerate(interface); break; /* * SPI4 can have 1-16 ports depending on the device at @@ -275,7 +270,7 @@ int cvmx_helper_interface_probe(int interface) */ case CVMX_HELPER_INTERFACE_MODE_SPI: interface_port_count[interface] = - __cvmx_helper_spi_probe(interface); + __cvmx_helper_spi_enumerate(interface); break; /* * SGMII can have 1-4 ports depending on how many are @@ -284,12 +279,12 @@ int cvmx_helper_interface_probe(int interface) case CVMX_HELPER_INTERFACE_MODE_SGMII: case CVMX_HELPER_INTERFACE_MODE_PICMG: interface_port_count[interface] = - __cvmx_helper_sgmii_probe(interface); + __cvmx_helper_sgmii_enumerate(interface); break; /* PCI target Network Packet Interface */ case CVMX_HELPER_INTERFACE_MODE_NPI: interface_port_count[interface] = - __cvmx_helper_npi_probe(interface); + __cvmx_helper_npi_enumerate(interface); break; /* * Special loopback only ports. These are not the same @@ -297,7 +292,7 @@ int cvmx_helper_interface_probe(int interface) */ case CVMX_HELPER_INTERFACE_MODE_LOOP: interface_port_count[interface] = - __cvmx_helper_loop_probe(interface); + __cvmx_helper_loop_enumerate(interface); break; } @@ -313,6 +308,74 @@ int cvmx_helper_interface_probe(int interface) } /** + * This function probes an interface to determine the actual + * number of hardware ports connected to it. It doesn't setup the + * ports or enable them. The main goal here is to set the global + * interface_port_count[interface] correctly. Hardware setup of the + * ports will be performed later. + * + * @interface: Interface to probe + * + * Returns Zero on success, negative on failure + */ +int cvmx_helper_interface_probe(int interface) +{ + cvmx_helper_interface_enumerate(interface); + /* At this stage in the game we don't want packets to be moving yet. + The following probe calls should perform hardware setup + needed to determine port counts. Receive must still be disabled */ + switch (cvmx_helper_interface_get_mode(interface)) { + /* These types don't support ports to IPD/PKO */ + case CVMX_HELPER_INTERFACE_MODE_DISABLED: + case CVMX_HELPER_INTERFACE_MODE_PCIE: + break; + /* XAUI is a single high speed port */ + case CVMX_HELPER_INTERFACE_MODE_XAUI: + __cvmx_helper_xaui_probe(interface); + break; + /* + * RGMII/GMII/MII are all treated about the same. Most + * functions refer to these ports as RGMII. + */ + case CVMX_HELPER_INTERFACE_MODE_RGMII: + case CVMX_HELPER_INTERFACE_MODE_GMII: + __cvmx_helper_rgmii_probe(interface); + break; + /* + * SPI4 can have 1-16 ports depending on the device at + * the other end. + */ + case CVMX_HELPER_INTERFACE_MODE_SPI: + __cvmx_helper_spi_probe(interface); + break; + /* + * SGMII can have 1-4 ports depending on how many are + * hooked up. + */ + case CVMX_HELPER_INTERFACE_MODE_SGMII: + case CVMX_HELPER_INTERFACE_MODE_PICMG: + __cvmx_helper_sgmii_probe(interface); + break; + /* PCI target Network Packet Interface */ + case CVMX_HELPER_INTERFACE_MODE_NPI: + __cvmx_helper_npi_probe(interface); + break; + /* + * Special loopback only ports. These are not the same + * as other ports in loopback mode. + */ + case CVMX_HELPER_INTERFACE_MODE_LOOP: + __cvmx_helper_loop_probe(interface); + break; + } + + /* Make sure all global variables propagate to other cores */ + CVMX_SYNCWS; + + return 0; +} + +/** * Setup the IPD/PIP for the ports on an interface. Packet * classification and tagging are set for every port on the * interface. The number of ports on the interface must already |