diff options
Diffstat (limited to 'arch/mips/cavium-octeon/octeon-platform.c')
| -rw-r--r-- | arch/mips/cavium-octeon/octeon-platform.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/arch/mips/cavium-octeon/octeon-platform.c b/arch/mips/cavium-octeon/octeon-platform.c index 1f9ba60f7375..51685f893eab 100644 --- a/arch/mips/cavium-octeon/octeon-platform.c +++ b/arch/mips/cavium-octeon/octeon-platform.c @@ -458,6 +458,23 @@ static bool __init octeon_has_88e1145(void) !OCTEON_IS_MODEL(OCTEON_CN56XX); } +static bool __init octeon_has_fixed_link(int ipd_port) +{ + switch (cvmx_sysinfo_get()->board_type) { + case CVMX_BOARD_TYPE_CN3005_EVB_HS5: + case CVMX_BOARD_TYPE_CN3010_EVB_HS5: + case CVMX_BOARD_TYPE_CN3020_EVB_HS5: + case CVMX_BOARD_TYPE_CUST_NB5: + case CVMX_BOARD_TYPE_EBH3100: + /* Port 1 on these boards is always gigabit. */ + return ipd_port == 1; + case CVMX_BOARD_TYPE_BBGW_REF: + /* Ports 0 and 1 connect to the switch. */ + return ipd_port == 0 || ipd_port == 1; + } + return false; +} + static void __init octeon_fdt_set_phy(int eth, int phy_addr) { const __be32 *phy_handle; @@ -586,12 +603,52 @@ static void __init octeon_fdt_rm_ethernet(int node) fdt_nop_node(initial_boot_params, node); } +static void __init _octeon_rx_tx_delay(int eth, int rx_delay, int tx_delay) +{ + fdt_setprop_inplace_cell(initial_boot_params, eth, "rx-delay", + rx_delay); + fdt_setprop_inplace_cell(initial_boot_params, eth, "tx-delay", + tx_delay); +} + +static void __init octeon_rx_tx_delay(int eth, int iface, int port) +{ + switch (cvmx_sysinfo_get()->board_type) { + case CVMX_BOARD_TYPE_CN3005_EVB_HS5: + if (iface == 0) { + if (port == 0) { + /* + * Boards with gigabit WAN ports need a + * different setting that is compatible with + * 100 Mbit settings + */ + _octeon_rx_tx_delay(eth, 0xc, 0x0c); + return; + } else if (port == 1) { + /* Different config for switch port. */ + _octeon_rx_tx_delay(eth, 0x0, 0x0); + return; + } + } + break; + case CVMX_BOARD_TYPE_UBNT_E100: + if (iface == 0 && port <= 2) { + _octeon_rx_tx_delay(eth, 0x0, 0x10); + return; + } + break; + } + fdt_nop_property(initial_boot_params, eth, "rx-delay"); + fdt_nop_property(initial_boot_params, eth, "tx-delay"); +} + static void __init octeon_fdt_pip_port(int iface, int i, int p, int max) { char name_buffer[20]; int eth; int phy_addr; int ipd_port; + int fixed_link; snprintf(name_buffer, sizeof(name_buffer), "ethernet@%x", p); eth = fdt_subnode_offset(initial_boot_params, iface, name_buffer); @@ -609,6 +666,13 @@ static void __init octeon_fdt_pip_port(int iface, int i, int p, int max) phy_addr = cvmx_helper_board_get_mii_address(ipd_port); octeon_fdt_set_phy(eth, phy_addr); + + fixed_link = fdt_subnode_offset(initial_boot_params, eth, "fixed-link"); + if (fixed_link < 0) + WARN_ON(octeon_has_fixed_link(ipd_port)); + else if (!octeon_has_fixed_link(ipd_port)) + fdt_nop_node(initial_boot_params, fixed_link); + octeon_rx_tx_delay(eth, i, p); } static void __init octeon_fdt_pip_iface(int pip, int idx) |