static int stmmac_probe_config_dt(struct platform_device *pdev,
struct plat_stmmacenet_data *plat,
const char **mac)
{
struct device_node *np = pdev->dev.of_node;
struct stmmac_dma_cfg *dma_cfg;
const struct of_device_id *device;
#if defined (CONFIG_AML_NAND_KEY) || defined (CONFIG_SECURITYKEY)
int ret;
char *addr =NULL;
#endif
if (!np)
return -ENODEV;
device = of_match_device(stmmac_dt_ids, &pdev->dev);
if (!device)
return -ENODEV;
if (device->data) {
const struct stmmac_of_data *data = device->data;
plat->has_gmac = data->has_gmac;
plat->enh_desc = data->enh_desc;
plat->tx_coe = data->tx_coe;
plat->rx_coe = data->rx_coe;
plat->bugged_jumbo = data->bugged_jumbo;
plat->pmt = data->pmt;
plat->riwt_off = data->riwt_off;
plat->fix_mac_speed = data->fix_mac_speed;
plat->bus_setup = data->bus_setup;
plat->setup = data->setup;
plat->free = data->free;
plat->init = data->init;
plat->exit = data->exit;
}
#if defined (CONFIG_AML_NAND_KEY) || defined (CONFIG_SECURITYKEY)
ret = get_aml_key_kernel("mac", print_buff, 0);
extenal_api_key_set_version("auto");
printk("ret = %d\nprint_buff=%s\n", ret, print_buff);
if (ret >= 0) {
strcpy(addr, print_buff);
*mac = addr;
}
else
{
if(g_mac_addr_setup){
*mac = DEFMAC;
}
else{
*mac = of_get_mac_address(np);
}
}
#else
*mac = of_get_mac_address(np);
#endif
plat->interface = of_get_phy_mode(np);
/* Get max speed of operation from device tree */
if (of_property_read_u32(np, "max-speed", &plat->max_speed))
plat->max_speed = -1;
plat->bus_id = of_alias_get_id(np, "ethernet");
if (plat->bus_id < 0)
plat->bus_id = 0;
/* Default to phy auto-detection */
plat->phy_addr = -1;
/* "snps,phy-addr" is not a standard property. Mark it as deprecated
* and warn of its use. Remove this when phy node support is added.
*/
if (of_property_read_u32(np, "snps,phy-addr", &plat->phy_addr) == 0)
dev_warn(&pdev->dev, "snps,phy-addr property is deprecated\n");
if (plat->phy_bus_name){
plat->mdio_bus_data = NULL;
}
else
plat->mdio_bus_data =
devm_kzalloc(&pdev->dev,
sizeof(struct stmmac_mdio_bus_data),
GFP_KERNEL);
plat->force_sf_dma_mode =
of_property_read_bool(np, "snps,force_sf_dma_mode");
/* Set the maxmtu to a default of JUMBO_LEN in case the
* parameter is not present in the device tree.
*/
/* Set default value for multicast hash bins */
plat->multicast_filter_bins = HASH_TABLE_SIZE;
/* Set default value for unicast filter entries */
plat->unicast_filter_entries = 1;
/*
* Currently only the properties needed on SPEAr600
* are provided. All other properties should be added
* once needed on other platforms.
*/
#ifdef CONFIG_DWMAC_MESON
#if 0
if(of_device_is_compatible(np,"amlogic,meson8m2-dwmac")){
aml_write_reg32(P_PERIPHS_PIN_MUX_6,0xffff);
aml_write_reg32(P_PREG_ETH_REG0,0x7d21);
aml_set_reg32_mask(P_HHI_MPLL_CNTL6,1<<27);
aml_set_reg32_mask(P_HHI_GEN_CLK_CNTL,0xb803);
aml_set_reg32_mask(P_HHI_MPLL_CNTL9,(1638<<0)| (0<<14)|(1<<15) | (1<<14) | (5<<16) | (0<<25) | (0<<26) |(0<<30) | (0<<31));
/* setup ethernet mode */
aml_clr_reg32_mask(P_HHI_MEM_PD_REG0, (1 << 3) | (1<<2));
/* hardware reset ethernet phy : gpioz14 connect phyreset pin*/
aml_clr_reg32_mask(P_PREG_PAD_GPIO2_EN_N, 1 << 28);
aml_clr_reg32_mask(P_PREG_PAD_GPIO2_O, 1 << 28);
mdelay(10);
aml_set_reg32_mask(P_PREG_PAD_GPIO2_O, 1 << 28);
}
#endif
#endif
if (of_device_is_compatible(np, "st,spear600-gmac") ||
of_device_is_compatible(np, "snps,dwmac-3.70a") ||
of_device_is_compatible(np,"amlogic,meson8b-rgmii-dwmac")||
of_device_is_compatible(np,"amlogic,meson8m2-rgmii-dwmac")) {
/* Note that the max-frame-size parameter as defined in the
* ePAPR v1.1 spec is defined as max-frame-size, it's
* actually used as the IEEE definition of MAC Client
* data, or MTU. The ePAPR specification is confusing as
* the definition is max-frame-size, but usage examples
* are clearly MTUs
*/
of_property_read_u32(np, "max-frame-size", &plat->maxmtu);
of_property_read_u32(np, "snps,multicast-filter-bins",
&plat->multicast_filter_bins);
of_property_read_u32(np, "snps,perfect-filter-entries",
&plat->unicast_filter_entries);
plat->unicast_filter_entries = dwmac1000_validate_ucast_entries(
plat->unicast_filter_entries);
plat->multicast_filter_bins = dwmac1000_validate_mcast_bins(
plat->multicast_filter_bins);
plat->has_gmac = 1;
plat->pmt = 1;
}
if (of_device_is_compatible(np, "snps,dwmac-3.610") ||
of_device_is_compatible(np,"amlogic,meson6-dwmac")||
of_device_is_compatible(np, "snps,dwmac-3.710")) {
plat->enh_desc = 1;
plat->bugged_jumbo = 1;
plat->force_sf_dma_mode = 1;
}
if (of_find_property(np, "snps,pbl", NULL)) {
dma_cfg = devm_kzalloc(&pdev->dev, sizeof(*dma_cfg),
GFP_KERNEL);
if (!dma_cfg)
return -ENOMEM;
plat->dma_cfg = dma_cfg;
of_property_read_u32(np, "snps,pbl", &dma_cfg->pbl);
dma_cfg->fixed_burst =
of_property_read_bool(np, "snps,fixed-burst");
dma_cfg->mixed_burst =
of_property_read_bool(np, "snps,mixed-burst");
}
plat->force_thresh_dma_mode = of_property_read_bool(np, "snps,force_thresh_dma_mode");
if (plat->force_thresh_dma_mode) {
plat->force_sf_dma_mode = 0;
pr_warn("force_sf_dma_mode is ignored if force_thresh_dma_mode is set.");
}
return 0;
}
/**
* stmmac_probe_config_dt - parse device-tree driver parameters
* @pdev: platform_device structure
* @plat: driver data platform structure
* @mac: MAC address to use
* Description:
* this function is to read the driver parameters from device-tree and
* set some private fields that will be used by the main at runtime.
*/
struct plat_stmmacenet_data *
stmmac_probe_config_dt(struct platform_device *pdev, const char **mac)
{
struct device_node *np = pdev->dev.of_node;
struct plat_stmmacenet_data *plat;
struct stmmac_dma_cfg *dma_cfg;
plat = devm_kzalloc(&pdev->dev, sizeof(*plat), GFP_KERNEL);
if (!plat)
return ERR_PTR(-ENOMEM);
*mac = of_get_mac_address(np);
plat->interface = of_get_phy_mode(np);
/* Get max speed of operation from device tree */
if (of_property_read_u32(np, "max-speed", &plat->max_speed))
plat->max_speed = -1;
plat->bus_id = of_alias_get_id(np, "ethernet");
if (plat->bus_id < 0)
plat->bus_id = 0;
/* Default to phy auto-detection */
plat->phy_addr = -1;
/* If we find a phy-handle property, use it as the PHY */
plat->phy_node = of_parse_phandle(np, "phy-handle", 0);
/* If phy-handle is not specified, check if we have a fixed-phy */
if (!plat->phy_node && of_phy_is_fixed_link(np)) {
if ((of_phy_register_fixed_link(np) < 0))
return ERR_PTR(-ENODEV);
plat->phy_node = of_node_get(np);
}
/* "snps,phy-addr" is not a standard property. Mark it as deprecated
* and warn of its use. Remove this when phy node support is added.
*/
if (of_property_read_u32(np, "snps,phy-addr", &plat->phy_addr) == 0)
dev_warn(&pdev->dev, "snps,phy-addr property is deprecated\n");
if ((plat->phy_node && !of_phy_is_fixed_link(np)) || plat->phy_bus_name)
plat->mdio_bus_data = NULL;
else
plat->mdio_bus_data =
devm_kzalloc(&pdev->dev,
sizeof(struct stmmac_mdio_bus_data),
GFP_KERNEL);
of_property_read_u32(np, "tx-fifo-depth", &plat->tx_fifo_size);
of_property_read_u32(np, "rx-fifo-depth", &plat->rx_fifo_size);
plat->force_sf_dma_mode =
of_property_read_bool(np, "snps,force_sf_dma_mode");
/* Set the maxmtu to a default of JUMBO_LEN in case the
* parameter is not present in the device tree.
*/
plat->maxmtu = JUMBO_LEN;
/* Set default value for multicast hash bins */
plat->multicast_filter_bins = HASH_TABLE_SIZE;
/* Set default value for unicast filter entries */
plat->unicast_filter_entries = 1;
/*
* Currently only the properties needed on SPEAr600
* are provided. All other properties should be added
* once needed on other platforms.
*/
if (of_device_is_compatible(np, "st,spear600-gmac") ||
of_device_is_compatible(np, "snps,dwmac-3.70a") ||
of_device_is_compatible(np, "snps,dwmac")) {
/* Note that the max-frame-size parameter as defined in the
* ePAPR v1.1 spec is defined as max-frame-size, it's
* actually used as the IEEE definition of MAC Client
* data, or MTU. The ePAPR specification is confusing as
* the definition is max-frame-size, but usage examples
* are clearly MTUs
*/
of_property_read_u32(np, "max-frame-size", &plat->maxmtu);
of_property_read_u32(np, "snps,multicast-filter-bins",
&plat->multicast_filter_bins);
of_property_read_u32(np, "snps,perfect-filter-entries",
&plat->unicast_filter_entries);
plat->unicast_filter_entries = dwmac1000_validate_ucast_entries(
plat->unicast_filter_entries);
plat->multicast_filter_bins = dwmac1000_validate_mcast_bins(
plat->multicast_filter_bins);
plat->has_gmac = 1;
plat->pmt = 1;
}
if (of_device_is_compatible(np, "snps,dwmac-3.610") ||
of_device_is_compatible(np, "snps,dwmac-3.710")) {
plat->enh_desc = 1;
plat->bugged_jumbo = 1;
plat->force_sf_dma_mode = 1;
}
if (of_find_property(np, "snps,pbl", NULL)) {
dma_cfg = devm_kzalloc(&pdev->dev, sizeof(*dma_cfg),
GFP_KERNEL);
if (!dma_cfg) {
of_node_put(np);
return ERR_PTR(-ENOMEM);
}
plat->dma_cfg = dma_cfg;
of_property_read_u32(np, "snps,pbl", &dma_cfg->pbl);
dma_cfg->fixed_burst =
of_property_read_bool(np, "snps,fixed-burst");
dma_cfg->mixed_burst =
of_property_read_bool(np, "snps,mixed-burst");
of_property_read_u32(np, "snps,burst_len", &dma_cfg->burst_len);
if (dma_cfg->burst_len < 0 || dma_cfg->burst_len > 256)
dma_cfg->burst_len = 0;
}
plat->force_thresh_dma_mode = of_property_read_bool(np, "snps,force_thresh_dma_mode");
if (plat->force_thresh_dma_mode) {
plat->force_sf_dma_mode = 0;
pr_warn("force_sf_dma_mode is ignored if force_thresh_dma_mode is set.");
}
return plat;
}
