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path: root/drivers/net/ethernet/ti/cpsw.c
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-rw-r--r--drivers/net/ethernet/ti/cpsw.c106
1 files changed, 5 insertions, 101 deletions
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index 982077066064..4219b13e6a8e 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -3020,16 +3020,12 @@ static int cpsw_probe(struct platform_device *pdev)
struct cpsw_platform_data *data;
struct net_device *ndev;
struct cpsw_priv *priv;
- struct cpdma_params dma_params;
- struct cpsw_ale_params ale_params;
void __iomem *ss_regs;
- void __iomem *cpts_regs;
struct resource *res, *ss_res;
struct gpio_descs *mode;
- u32 slave_offset, sliver_offset, slave_size;
const struct soc_device_attribute *soc;
struct cpsw_common *cpsw;
- int ret = 0, i, ch;
+ int ret = 0, ch;
int irq;
cpsw = devm_kzalloc(dev, sizeof(struct cpsw_common), GFP_KERNEL);
@@ -3109,103 +3105,12 @@ static int cpsw_probe(struct platform_device *pdev)
cpsw->rx_packet_max = max(rx_packet_max, CPSW_MAX_PACKET_SIZE);
- cpsw->rx_ch_num = 1;
- cpsw->tx_ch_num = 1;
- cpsw->version = readl(&cpsw->regs->id_ver);
-
- memset(&dma_params, 0, sizeof(dma_params));
- memset(&ale_params, 0, sizeof(ale_params));
-
- switch (cpsw->version) {
- case CPSW_VERSION_1:
- cpsw->host_port_regs = ss_regs + CPSW1_HOST_PORT_OFFSET;
- cpts_regs = ss_regs + CPSW1_CPTS_OFFSET;
- cpsw->hw_stats = ss_regs + CPSW1_HW_STATS;
- dma_params.dmaregs = ss_regs + CPSW1_CPDMA_OFFSET;
- dma_params.txhdp = ss_regs + CPSW1_STATERAM_OFFSET;
- ale_params.ale_regs = ss_regs + CPSW1_ALE_OFFSET;
- slave_offset = CPSW1_SLAVE_OFFSET;
- slave_size = CPSW1_SLAVE_SIZE;
- sliver_offset = CPSW1_SLIVER_OFFSET;
- dma_params.desc_mem_phys = 0;
- break;
- case CPSW_VERSION_2:
- case CPSW_VERSION_3:
- case CPSW_VERSION_4:
- cpsw->host_port_regs = ss_regs + CPSW2_HOST_PORT_OFFSET;
- cpts_regs = ss_regs + CPSW2_CPTS_OFFSET;
- cpsw->hw_stats = ss_regs + CPSW2_HW_STATS;
- dma_params.dmaregs = ss_regs + CPSW2_CPDMA_OFFSET;
- dma_params.txhdp = ss_regs + CPSW2_STATERAM_OFFSET;
- ale_params.ale_regs = ss_regs + CPSW2_ALE_OFFSET;
- slave_offset = CPSW2_SLAVE_OFFSET;
- slave_size = CPSW2_SLAVE_SIZE;
- sliver_offset = CPSW2_SLIVER_OFFSET;
- dma_params.desc_mem_phys =
- (u32 __force) ss_res->start + CPSW2_BD_OFFSET;
- break;
- default:
- dev_err(dev, "unknown version 0x%08x\n", cpsw->version);
- ret = -ENODEV;
- goto clean_dt_ret;
- }
-
- for (i = 0; i < cpsw->data.slaves; i++) {
- struct cpsw_slave *slave = &cpsw->slaves[i];
- void __iomem *regs = cpsw->regs;
-
- slave->slave_num = i;
- slave->data = &cpsw->data.slave_data[i];
- slave->regs = regs + slave_offset;
- slave->sliver = regs + sliver_offset;
- slave->port_vlan = slave->data->dual_emac_res_vlan;
-
- slave_offset += slave_size;
- sliver_offset += SLIVER_SIZE;
- }
-
- ale_params.dev = dev;
- ale_params.ale_ageout = ale_ageout;
- ale_params.ale_entries = data->ale_entries;
- ale_params.ale_ports = CPSW_ALE_PORTS_NUM;
-
- cpsw->ale = cpsw_ale_create(&ale_params);
- if (!cpsw->ale) {
- dev_err(dev, "error initializing ale engine\n");
- ret = -ENODEV;
- goto clean_dt_ret;
- }
-
- dma_params.dev = dev;
- dma_params.rxthresh = dma_params.dmaregs + CPDMA_RXTHRESH;
- dma_params.rxfree = dma_params.dmaregs + CPDMA_RXFREE;
- dma_params.rxhdp = dma_params.txhdp + CPDMA_RXHDP;
- dma_params.txcp = dma_params.txhdp + CPDMA_TXCP;
- dma_params.rxcp = dma_params.txhdp + CPDMA_RXCP;
-
- dma_params.num_chan = data->channels;
- dma_params.has_soft_reset = true;
- dma_params.min_packet_size = CPSW_MIN_PACKET_SIZE;
- dma_params.desc_mem_size = data->bd_ram_size;
- dma_params.desc_align = 16;
- dma_params.has_ext_regs = true;
- dma_params.desc_hw_addr = dma_params.desc_mem_phys;
- dma_params.bus_freq_mhz = cpsw->bus_freq_mhz;
- dma_params.descs_pool_size = descs_pool_size;
-
- cpsw->dma = cpdma_ctlr_create(&dma_params);
- if (!cpsw->dma) {
- dev_err(dev, "error initializing dma\n");
- ret = -ENOMEM;
+ ret = cpsw_init_common(cpsw, ss_regs, ale_ageout,
+ ss_res->start + CPSW2_BD_OFFSET,
+ descs_pool_size);
+ if (ret)
goto clean_dt_ret;
- }
-
- cpsw->cpts = cpts_create(cpsw->dev, cpts_regs, cpsw->dev->of_node);
- if (IS_ERR(cpsw->cpts)) {
- ret = PTR_ERR(cpsw->cpts);
- goto clean_dma_ret;
- }
ch = cpsw->quirk_irq ? 0 : 7;
cpsw->txv[0].ch = cpdma_chan_create(cpsw->dma, ch, cpsw_tx_handler, 0);
@@ -3313,7 +3218,6 @@ clean_unregister_netdev_ret:
unregister_netdev(ndev);
clean_cpts:
cpts_release(cpsw->cpts);
-clean_dma_ret:
cpdma_ctlr_destroy(cpsw->dma);
clean_dt_ret:
cpsw_remove_dt(pdev);