#include <rt305x_regs.h>
#include <rt305x_esw_platform.h>
-#define RT305X_ESW_PHY_WRITE (1 << 13)
-#define RT305X_ESW_PHY_TOUT (5 * HZ)
-#define RT305X_ESW_PHY_CONTROL_0 0xC0
-#define RT305X_ESW_PHY_CONTROL_1 0xC4
+#define RT305X_ESW_REG_FCT0 0x08
+#define RT305X_ESW_REG_PFC1 0x14
+#define RT305X_ESW_REG_PVIDC(_n) (0x48 + 4 * (_n))
+#define RT305X_ESW_REG_VLANI(_n) (0x50 + 4 * (_n))
+#define RT305X_ESW_REG_VMSC(_n) (0x70 + 4 * (_n))
+#define RT305X_ESW_REG_FPA 0x84
+#define RT305X_ESW_REG_SOCPC 0x8c
+#define RT305X_ESW_REG_POC1 0x90
+#define RT305X_ESW_REG_POC2 0x94
+#define RT305X_ESW_REG_POC3 0x98
+#define RT305X_ESW_REG_SGC 0x9c
+#define RT305X_ESW_REG_PCR0 0xc0
+#define RT305X_ESW_REG_PCR1 0xc4
+#define RT305X_ESW_REG_FPA2 0xc8
+#define RT305X_ESW_REG_FCT2 0xcc
+#define RT305X_ESW_REG_SGC2 0xe4
+
+#define RT305X_ESW_PCR0_WT_NWAY_DATA_S 16
+#define RT305X_ESW_PCR0_WT_PHY_CMD BIT(13)
+#define RT305X_ESW_PCR0_CPU_PHY_REG_S 8
+
+#define RT305X_ESW_PCR1_WT_DONE BIT(0)
+
+#define RT305X_ESW_PHY_TIMEOUT (5 * HZ)
struct rt305x_esw {
void __iomem *base;
return __raw_readl(esw->base + reg);
}
-u32
+static u32
mii_mgr_write(struct rt305x_esw *esw, u32 phy_addr, u32 phy_register,
u32 write_data)
{
- unsigned long volatile t_start = jiffies;
+ unsigned long t_start = jiffies;
int ret = 0;
- while(1)
- {
- if(!(ramips_esw_rr(esw, RT305X_ESW_PHY_CONTROL_1) & (0x1 << 0)))
+ while (1) {
+ if (!(ramips_esw_rr(esw, RT305X_ESW_REG_PCR1) &
+ RT305X_ESW_PCR1_WT_DONE))
break;
- if(time_after(jiffies, t_start + RT305X_ESW_PHY_TOUT))
- {
+ if (time_after(jiffies, t_start + RT305X_ESW_PHY_TIMEOUT)) {
ret = 1;
goto out;
}
}
- ramips_esw_wr(esw, ((write_data & 0xFFFF) << 16) | (phy_register << 8) |
- (phy_addr) | RT305X_ESW_PHY_WRITE, RT305X_ESW_PHY_CONTROL_0);
+
+ write_data &= 0xffff;
+ ramips_esw_wr(esw,
+ (write_data << RT305X_ESW_PCR0_WT_NWAY_DATA_S) |
+ (phy_register << RT305X_ESW_PCR0_CPU_PHY_REG_S) |
+ (phy_addr) | RT305X_ESW_PCR0_WT_PHY_CMD,
+ RT305X_ESW_REG_PCR0);
+
t_start = jiffies;
- while(1)
- {
- if(ramips_esw_rr(esw, RT305X_ESW_PHY_CONTROL_1) & (0x1 << 0))
+ while (1) {
+ if (ramips_esw_rr(esw, RT305X_ESW_REG_PCR1) &
+ RT305X_ESW_PCR1_WT_DONE)
break;
- if(time_after(jiffies, t_start + RT305X_ESW_PHY_TOUT))
- {
+
+ if (time_after(jiffies, t_start + RT305X_ESW_PHY_TIMEOUT)) {
ret = 1;
break;
}
}
out:
- if(ret)
+ if (ret)
printk(KERN_ERR "ramips_eth: MDIO timeout\n");
return ret;
}
int i;
/* vodoo from original driver */
- ramips_esw_wr(esw, 0xC8A07850, 0x08);
- ramips_esw_wr(esw, 0x00000000, 0xe4);
- ramips_esw_wr(esw, 0x00405555, 0x14);
- ramips_esw_wr(esw, 0x00002001, 0x50);
- ramips_esw_wr(esw, 0x00007f7f, 0x90);
- ramips_esw_wr(esw, 0x00007f3f, 0x98);
- ramips_esw_wr(esw, 0x00d6500c, 0xcc);
- ramips_esw_wr(esw, 0x0008a301, 0x9c);
- ramips_esw_wr(esw, 0x02404040, 0x8c);
- ramips_esw_wr(esw, 0x00001002, 0x48);
- ramips_esw_wr(esw, 0x3f502b28, 0xc8);
- ramips_esw_wr(esw, 0x00000000, 0x84);
+ ramips_esw_wr(esw, 0xC8A07850, RT305X_ESW_REG_FCT0);
+ ramips_esw_wr(esw, 0x00000000, RT305X_ESW_REG_SGC2);
+ ramips_esw_wr(esw, 0x00405555, RT305X_ESW_REG_PFC1);
+ ramips_esw_wr(esw, 0x00002001, RT305X_ESW_REG_VLANI(0));
+ ramips_esw_wr(esw, 0x00007f7f, RT305X_ESW_REG_POC1);
+ ramips_esw_wr(esw, 0x00007f3f, RT305X_ESW_REG_POC3);
+ ramips_esw_wr(esw, 0x00d6500c, RT305X_ESW_REG_FCT2);
+ ramips_esw_wr(esw, 0x0008a301, RT305X_ESW_REG_SGC);
+ ramips_esw_wr(esw, 0x02404040, RT305X_ESW_REG_SOCPC);
+ ramips_esw_wr(esw, 0x00001002, RT305X_ESW_REG_PVIDC(2));
+ ramips_esw_wr(esw, 0x3f502b28, RT305X_ESW_REG_FPA2);
+ ramips_esw_wr(esw, 0x00000000, RT305X_ESW_REG_FPA);
mii_mgr_write(esw, 0, 31, 0x8000);
- for(i = 0; i < 5; i++)
- {
- mii_mgr_write(esw, i, 0, 0x3100); //TX10 waveform coefficient
- mii_mgr_write(esw, i, 26, 0x1601); //TX10 waveform coefficient
- mii_mgr_write(esw, i, 29, 0x7058); //TX100/TX10 AD/DA current bias
- mii_mgr_write(esw, i, 30, 0x0018); //TX100 slew rate control
+ for (i = 0; i < 5; i++) {
+ /* TX10 waveform coefficient */
+ mii_mgr_write(esw, i, 0, 0x3100);
+ /* TX10 waveform coefficient */
+ mii_mgr_write(esw, i, 26, 0x1601);
+ /* TX100/TX10 AD/DA current bias */
+ mii_mgr_write(esw, i, 29, 0x7058);
+ /* TX100 slew rate control */
+ mii_mgr_write(esw, i, 30, 0x0018);
}
+
/* PHY IOT */
- mii_mgr_write(esw, 0, 31, 0x0); //select global register
- mii_mgr_write(esw, 0, 22, 0x052f); //tune TP_IDL tail and head waveform
- mii_mgr_write(esw, 0, 17, 0x0fe0); //set TX10 signal amplitude threshold to minimum
- mii_mgr_write(esw, 0, 18, 0x40ba); //set squelch amplitude to higher threshold
- mii_mgr_write(esw, 0, 14, 0x65); //longer TP_IDL tail length
- mii_mgr_write(esw, 0, 31, 0x8000); //select local register
+ /* select global register */
+ mii_mgr_write(esw, 0, 31, 0x0);
+ /* tune TP_IDL tail and head waveform */
+ mii_mgr_write(esw, 0, 22, 0x052f);
+ /* set TX10 signal amplitude threshold to minimum */
+ mii_mgr_write(esw, 0, 17, 0x0fe0);
+ /* set squelch amplitude to higher threshold */
+ mii_mgr_write(esw, 0, 18, 0x40ba);
+ /* longer TP_IDL tail length */
+ mii_mgr_write(esw, 0, 14, 0x65);
+ /* select local register */
+ mii_mgr_write(esw, 0, 31, 0x8000);
/* set default vlan */
- ramips_esw_wr(esw, 0x2001, 0x50);
- ramips_esw_wr(esw, 0x504f, 0x70);
+ ramips_esw_wr(esw, 0x2001, RT305X_ESW_REG_VLANI(0));
+ ramips_esw_wr(esw, 0x504f, RT305X_ESW_REG_VMSC(0));
}
static int
return -ENOMEM;
}
- esw = kzalloc(sizeof (struct rt305x_esw), GFP_KERNEL);
+ esw = kzalloc(sizeof(struct rt305x_esw), GFP_KERNEL);
if (!esw) {
dev_err(&pdev->dev, "no memory for private data\n");
return -ENOMEM;