#include <linux/types.h>
#include <linux/inet_lro.h>
#include <linux/slab.h>
+#include <linux/clk.h>
static char mv643xx_eth_driver_name[] = "mv643xx_eth";
static char mv643xx_eth_driver_version[] = "1.4";
/*
* Hardware-specific parameters.
*/
- unsigned int t_clk;
int extended_rx_coal_limit;
int tx_bw_control;
int tx_csum_limit;
+
};
#define TX_BW_CONTROL_ABSENT 0
int tx_desc_sram_size;
int txq_count;
struct tx_queue txq[8];
+
+ /*
+ * Hardware-specific parameters.
+ */
+#if defined(CONFIG_HAVE_CLK)
+ struct clk *clk;
+#endif
+ unsigned int t_clk;
};
int mtu;
int bucket_size;
- token_rate = ((rate / 1000) * 64) / (mp->shared->t_clk / 1000);
+ token_rate = ((rate / 1000) * 64) / (mp->t_clk / 1000);
if (token_rate > 1023)
token_rate = 1023;
int token_rate;
int bucket_size;
- token_rate = ((rate / 1000) * 64) / (mp->shared->t_clk / 1000);
+ token_rate = ((rate / 1000) * 64) / (mp->t_clk / 1000);
if (token_rate > 1023)
token_rate = 1023;
temp = (val & 0x003fff00) >> 8;
temp *= 64000000;
- do_div(temp, mp->shared->t_clk);
+ do_div(temp, mp->t_clk);
return (unsigned int)temp;
}
u64 temp;
u32 val;
- temp = (u64)usec * mp->shared->t_clk;
+ temp = (u64)usec * mp->t_clk;
temp += 31999999;
do_div(temp, 64000000);
temp = (rdlp(mp, TX_FIFO_URGENT_THRESHOLD) & 0x3fff0) >> 4;
temp *= 64000000;
- do_div(temp, mp->shared->t_clk);
+ do_div(temp, mp->t_clk);
return (unsigned int)temp;
}
{
u64 temp;
- temp = (u64)usec * mp->shared->t_clk;
+ temp = (u64)usec * mp->t_clk;
temp += 31999999;
do_div(temp, 64000000);
goto out_free;
}
- rx_desc = (struct rx_desc *)rxq->rx_desc_area;
+ rx_desc = rxq->rx_desc_area;
for (i = 0; i < rxq->rx_ring_size; i++) {
int nexti;
txq->tx_desc_area_size = size;
- tx_desc = (struct tx_desc *)txq->tx_desc_area;
+ tx_desc = txq->tx_desc_area;
for (i = 0; i < txq->tx_ring_size; i++) {
struct tx_desc *txd = tx_desc + i;
int nexti;
if (dram)
mv643xx_eth_conf_mbus_windows(msp, dram);
- /*
- * Detect hardware parameters.
- */
- msp->t_clk = (pd != NULL && pd->t_clk != 0) ? pd->t_clk : 133000000;
msp->tx_csum_limit = (pd != NULL && pd->tx_csum_limit) ?
pd->tx_csum_limit : 9 * 1024;
infer_hw_params(msp);
mp->dev = dev;
+ /*
+ * Start with a default rate, and if there is a clock, allow
+ * it to override the default.
+ */
+ mp->t_clk = 133000000;
+#if defined(CONFIG_HAVE_CLK)
+ mp->clk = clk_get(&pdev->dev, (pdev->id ? "1" : "0"));
+ if (!IS_ERR(mp->clk)) {
+ clk_prepare_enable(mp->clk);
+ mp->t_clk = clk_get_rate(mp->clk);
+ }
+#endif
set_params(mp, pd);
netif_set_real_num_tx_queues(dev, mp->txq_count);
netif_set_real_num_rx_queues(dev, mp->rxq_count);
if (mp->phy != NULL)
phy_detach(mp->phy);
cancel_work_sync(&mp->tx_timeout_task);
+
+#if defined(CONFIG_HAVE_CLK)
+ if (!IS_ERR(mp->clk)) {
+ clk_disable_unprepare(mp->clk);
+ clk_put(mp->clk);
+ }
+#endif
+
free_netdev(mp->dev);
platform_set_drvdata(pdev, NULL);