diff options
Diffstat (limited to 'drivers/staging/octeon/ethernet.c')
| -rw-r--r-- | drivers/staging/octeon/ethernet.c | 153 |
1 files changed, 99 insertions, 54 deletions
diff --git a/drivers/staging/octeon/ethernet.c b/drivers/staging/octeon/ethernet.c index 18f7a790f73..683bedc74dd 100644 --- a/drivers/staging/octeon/ethernet.c +++ b/drivers/staging/octeon/ethernet.c @@ -24,6 +24,7 @@ * This file may also be available under a different license from Cavium. * Contact Cavium Networks for more information **********************************************************************/ +#include <linux/platform_device.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/module.h> @@ -32,6 +33,7 @@ #include <linux/phy.h> #include <linux/slab.h> #include <linux/interrupt.h> +#include <linux/of_net.h> #include <net/dst.h> @@ -113,15 +115,6 @@ int rx_napi_weight = 32; module_param(rx_napi_weight, int, 0444); MODULE_PARM_DESC(rx_napi_weight, "The NAPI WEIGHT parameter."); -/* - * The offset from mac_addr_base that should be used for the next port - * that is configured. By convention, if any mgmt ports exist on the - * chip, they get the first mac addresses, The ports controlled by - * this driver are numbered sequencially following any mgmt addresses - * that may exist. - */ -static unsigned int cvm_oct_mac_addr_offset; - /** * cvm_oct_poll_queue - Workqueue for polling operations. */ @@ -176,7 +169,7 @@ static void cvm_oct_periodic_worker(struct work_struct *work) queue_delayed_work(cvm_oct_poll_queue, &priv->port_periodic_work, HZ); } -static __init void cvm_oct_configure_common_hw(void) +static __devinit void cvm_oct_configure_common_hw(void) { /* Setup the FPA */ cvmx_fpa_enable(); @@ -396,23 +389,21 @@ static void cvm_oct_common_set_multicast_list(struct net_device *dev) * Returns Zero on success */ -static int cvm_oct_common_set_mac_address(struct net_device *dev, void *addr) +static int cvm_oct_set_mac_filter(struct net_device *dev) { struct octeon_ethernet *priv = netdev_priv(dev); union cvmx_gmxx_prtx_cfg gmx_cfg; int interface = INTERFACE(priv->port); int index = INDEX(priv->port); - memcpy(dev->dev_addr, addr + 2, 6); - if ((interface < 2) && (cvmx_helper_interface_get_mode(interface) != CVMX_HELPER_INTERFACE_MODE_SPI)) { int i; - uint8_t *ptr = addr; + uint8_t *ptr = dev->dev_addr; uint64_t mac = 0; for (i = 0; i < 6; i++) - mac = (mac << 8) | (uint64_t) (ptr[i + 2]); + mac = (mac << 8) | (uint64_t)ptr[i]; gmx_cfg.u64 = cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface)); @@ -421,17 +412,17 @@ static int cvm_oct_common_set_mac_address(struct net_device *dev, void *addr) cvmx_write_csr(CVMX_GMXX_SMACX(index, interface), mac); cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM0(index, interface), - ptr[2]); + ptr[0]); cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM1(index, interface), - ptr[3]); + ptr[1]); cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM2(index, interface), - ptr[4]); + ptr[2]); cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM3(index, interface), - ptr[5]); + ptr[3]); cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM4(index, interface), - ptr[6]); + ptr[4]); cvmx_write_csr(CVMX_GMXX_RXX_ADR_CAM5(index, interface), - ptr[7]); + ptr[5]); cvm_oct_common_set_multicast_list(dev); cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), gmx_cfg.u64); @@ -439,6 +430,15 @@ static int cvm_oct_common_set_mac_address(struct net_device *dev, void *addr) return 0; } +static int cvm_oct_common_set_mac_address(struct net_device *dev, void *addr) +{ + int r = eth_mac_addr(dev, addr); + + if (r) + return r; + return cvm_oct_set_mac_filter(dev); +} + /** * cvm_oct_common_init - per network device initialization * @dev: Device to initialize @@ -448,26 +448,17 @@ static int cvm_oct_common_set_mac_address(struct net_device *dev, void *addr) int cvm_oct_common_init(struct net_device *dev) { struct octeon_ethernet *priv = netdev_priv(dev); - struct sockaddr sa; - u64 mac = ((u64)(octeon_bootinfo->mac_addr_base[0] & 0xff) << 40) | - ((u64)(octeon_bootinfo->mac_addr_base[1] & 0xff) << 32) | - ((u64)(octeon_bootinfo->mac_addr_base[2] & 0xff) << 24) | - ((u64)(octeon_bootinfo->mac_addr_base[3] & 0xff) << 16) | - ((u64)(octeon_bootinfo->mac_addr_base[4] & 0xff) << 8) | - (u64)(octeon_bootinfo->mac_addr_base[5] & 0xff); - - mac += cvm_oct_mac_addr_offset; - sa.sa_data[0] = (mac >> 40) & 0xff; - sa.sa_data[1] = (mac >> 32) & 0xff; - sa.sa_data[2] = (mac >> 24) & 0xff; - sa.sa_data[3] = (mac >> 16) & 0xff; - sa.sa_data[4] = (mac >> 8) & 0xff; - sa.sa_data[5] = mac & 0xff; - - if (cvm_oct_mac_addr_offset >= octeon_bootinfo->mac_addr_count) - printk(KERN_DEBUG "%s: Using MAC outside of the assigned range:" - " %pM\n", dev->name, sa.sa_data); - cvm_oct_mac_addr_offset++; + const u8 *mac = NULL; + + if (priv->of_node) + mac = of_get_mac_address(priv->of_node); + + if (mac && is_valid_ether_addr(mac)) { + memcpy(dev->dev_addr, mac, ETH_ALEN); + dev->addr_assign_type &= ~NET_ADDR_RANDOM; + } else { + eth_hw_addr_random(dev); + } /* * Force the interface to use the POW send if always_use_pow @@ -488,7 +479,7 @@ int cvm_oct_common_init(struct net_device *dev) SET_ETHTOOL_OPS(dev, &cvm_oct_ethtool_ops); cvm_oct_phy_setup_device(dev); - dev->netdev_ops->ndo_set_mac_address(dev, &sa); + cvm_oct_set_mac_filter(dev); dev->netdev_ops->ndo_change_mtu(dev, dev->mtu); /* @@ -595,22 +586,55 @@ static const struct net_device_ops cvm_oct_pow_netdev_ops = { extern void octeon_mdiobus_force_mod_depencency(void); -static int __init cvm_oct_init_module(void) +static struct device_node * __devinit cvm_oct_of_get_child(const struct device_node *parent, + int reg_val) +{ + struct device_node *node = NULL; + int size; + const __be32 *addr; + + for (;;) { + node = of_get_next_child(parent, node); + if (!node) + break; + addr = of_get_property(node, "reg", &size); + if (addr && (be32_to_cpu(*addr) == reg_val)) + break; + } + return node; +} + +static struct device_node * __devinit cvm_oct_node_for_port(struct device_node *pip, + int interface, int port) +{ + struct device_node *ni, *np; + + ni = cvm_oct_of_get_child(pip, interface); + if (!ni) + return NULL; + + np = cvm_oct_of_get_child(ni, port); + of_node_put(ni); + + return np; +} + +static int __devinit cvm_oct_probe(struct platform_device *pdev) { int num_interfaces; int interface; int fau = FAU_NUM_PACKET_BUFFERS_TO_FREE; int qos; + struct device_node *pip; octeon_mdiobus_force_mod_depencency(); pr_notice("cavium-ethernet %s\n", OCTEON_ETHERNET_VERSION); - if (OCTEON_IS_MODEL(OCTEON_CN52XX)) - cvm_oct_mac_addr_offset = 2; /* First two are the mgmt ports. */ - else if (OCTEON_IS_MODEL(OCTEON_CN56XX)) - cvm_oct_mac_addr_offset = 1; /* First one is the mgmt port. */ - else - cvm_oct_mac_addr_offset = 0; + pip = pdev->dev.of_node; + if (!pip) { + pr_err("Error: No 'pip' in /aliases\n"); + return -EINVAL; + } cvm_oct_poll_queue = create_singlethread_workqueue("octeon-ethernet"); if (cvm_oct_poll_queue == NULL) { @@ -689,10 +713,11 @@ static int __init cvm_oct_init_module(void) cvmx_helper_interface_get_mode(interface); int num_ports = cvmx_helper_ports_on_interface(interface); int port; + int port_index; - for (port = cvmx_helper_get_ipd_port(interface, 0); + for (port_index = 0, port = cvmx_helper_get_ipd_port(interface, 0); port < cvmx_helper_get_ipd_port(interface, num_ports); - port++) { + port_index++, port++) { struct octeon_ethernet *priv; struct net_device *dev = alloc_etherdev(sizeof(struct octeon_ethernet)); @@ -703,6 +728,7 @@ static int __init cvm_oct_init_module(void) /* Initialize the device private structure. */ priv = netdev_priv(dev); + priv->of_node = cvm_oct_node_for_port(pip, interface, port_index); INIT_DELAYED_WORK(&priv->port_periodic_work, cvm_oct_periodic_worker); @@ -787,7 +813,7 @@ static int __init cvm_oct_init_module(void) return 0; } -static void __exit cvm_oct_cleanup_module(void) +static int __devexit cvm_oct_remove(struct platform_device *pdev) { int port; @@ -835,10 +861,29 @@ static void __exit cvm_oct_cleanup_module(void) if (CVMX_FPA_OUTPUT_BUFFER_POOL != CVMX_FPA_PACKET_POOL) cvm_oct_mem_empty_fpa(CVMX_FPA_OUTPUT_BUFFER_POOL, CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE, 128); + return 0; } +static struct of_device_id cvm_oct_match[] = { + { + .compatible = "cavium,octeon-3860-pip", + }, + {}, +}; +MODULE_DEVICE_TABLE(of, cvm_oct_match); + +static struct platform_driver cvm_oct_driver = { + .probe = cvm_oct_probe, + .remove = __devexit_p(cvm_oct_remove), + .driver = { + .owner = THIS_MODULE, + .name = KBUILD_MODNAME, + .of_match_table = cvm_oct_match, + }, +}; + +module_platform_driver(cvm_oct_driver); + MODULE_LICENSE("GPL"); MODULE_AUTHOR("Cavium Networks <support@caviumnetworks.com>"); MODULE_DESCRIPTION("Cavium Networks Octeon ethernet driver."); -module_init(cvm_oct_init_module); -module_exit(cvm_oct_cleanup_module); |