mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-12 04:10:17 +02:00
15585654b9
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18139 3c298f89-4303-0410-b956-a3cf2f4a3e73
123 lines
3.0 KiB
C
123 lines
3.0 KiB
C
#include <rt305x.h>
|
|
#include <rt305x_regs.h>
|
|
|
|
#define GPIO_PRUPOSE 0x60
|
|
#define GPIO_MDIO_BIT (1<<7)
|
|
#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
|
|
|
|
static void __iomem *ramips_esw_base = 0;
|
|
|
|
static inline void
|
|
ramips_esw_wr(u32 val, unsigned reg)
|
|
{
|
|
__raw_writel(val, ramips_esw_base + reg);
|
|
}
|
|
|
|
static inline u32
|
|
ramips_esw_rr(unsigned reg)
|
|
{
|
|
return __raw_readl(ramips_esw_base + reg);
|
|
}
|
|
|
|
static void
|
|
ramips_enable_mdio(int s)
|
|
{
|
|
u32 gpio = rt305x_sysc_rr(GPIO_PRUPOSE);
|
|
if(s)
|
|
gpio &= ~GPIO_MDIO_BIT;
|
|
else
|
|
gpio |= GPIO_MDIO_BIT;
|
|
rt305x_sysc_wr(gpio, GPIO_PRUPOSE);
|
|
}
|
|
|
|
u32
|
|
mii_mgr_write(u32 phy_addr, u32 phy_register, u32 write_data)
|
|
{
|
|
unsigned long volatile t_start = jiffies;
|
|
int ret = 0;
|
|
|
|
ramips_enable_mdio(1);
|
|
while(1)
|
|
{
|
|
if(!(ramips_esw_rr(RT305X_ESW_PHY_CONTROL_1) & (0x1 << 0)))
|
|
break;
|
|
if(time_after(jiffies, t_start + RT305X_ESW_PHY_TOUT))
|
|
{
|
|
ret = 1;
|
|
goto out;
|
|
}
|
|
}
|
|
ramips_esw_wr(((write_data & 0xFFFF) << 16) | (phy_register << 8) |
|
|
(phy_addr) | RT305X_ESW_PHY_WRITE, RT305X_ESW_PHY_CONTROL_0);
|
|
t_start = jiffies;
|
|
while(1)
|
|
{
|
|
if(ramips_esw_rr(RT305X_ESW_PHY_CONTROL_1) & (0x1 << 0))
|
|
break;
|
|
if(time_after(jiffies, t_start + RT305X_ESW_PHY_TOUT))
|
|
{
|
|
ret = 1;
|
|
break;
|
|
}
|
|
}
|
|
out:
|
|
ramips_enable_mdio(0);
|
|
if(ret)
|
|
printk(KERN_ERR "ramips_eth: MDIO timeout\n");
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
rt305x_esw_init(void)
|
|
{
|
|
int i;
|
|
|
|
ramips_esw_base = ioremap_nocache(RT305X_SWITCH_BASE, PAGE_SIZE);
|
|
if(!ramips_esw_base)
|
|
return -ENOMEM;
|
|
|
|
/* vodoo from original driver */
|
|
ramips_esw_wr(0xC8A07850, 0x08);
|
|
ramips_esw_wr(0x00000000, 0xe4);
|
|
ramips_esw_wr(0x00405555, 0x14);
|
|
ramips_esw_wr(0x00002001, 0x50);
|
|
ramips_esw_wr(0x00007f7f, 0x90);
|
|
ramips_esw_wr(0x00007f3f, 0x98);
|
|
ramips_esw_wr(0x00d6500c, 0xcc);
|
|
ramips_esw_wr(0x0008a301, 0x9c);
|
|
ramips_esw_wr(0x02404040, 0x8c);
|
|
ramips_esw_wr(0x00001002, 0x48);
|
|
ramips_esw_wr(0x3f502b28, 0xc8);
|
|
ramips_esw_wr(0x00000000, 0x84);
|
|
|
|
mii_mgr_write(0, 31, 0x8000);
|
|
for(i = 0; i < 5; i++)
|
|
{
|
|
mii_mgr_write(i, 0, 0x3100); //TX10 waveform coefficient
|
|
mii_mgr_write(i, 26, 0x1601); //TX10 waveform coefficient
|
|
mii_mgr_write(i, 29, 0x7058); //TX100/TX10 AD/DA current bias
|
|
mii_mgr_write(i, 30, 0x0018); //TX100 slew rate control
|
|
}
|
|
/* PHY IOT */
|
|
mii_mgr_write(0, 31, 0x0); //select global register
|
|
mii_mgr_write(0, 22, 0x052f); //tune TP_IDL tail and head waveform
|
|
mii_mgr_write(0, 17, 0x0fe0); //set TX10 signal amplitude threshold to minimum
|
|
mii_mgr_write(0, 18, 0x40ba); //set squelch amplitude to higher threshold
|
|
mii_mgr_write(0, 14, 0x65); //longer TP_IDL tail length
|
|
mii_mgr_write(0, 31, 0x8000); //select local register
|
|
|
|
/* Port 5 Disabled */
|
|
rt305x_sysc_wr(rt305x_sysc_rr(0x60) | (1 << 9), 0x60); //set RGMII to GPIO mode (GPIO41-GPIO50)
|
|
rt305x_sysc_wr(0xfff, 0x674); //GPIO41-GPIO50 output mode
|
|
rt305x_sysc_wr(0x0, 0x670); //GPIO41-GPIO50 output low
|
|
|
|
/* set default vlan */
|
|
ramips_esw_wr(0x2001, 0x50);
|
|
ramips_esw_wr(0x504f, 0x70);
|
|
|
|
return 0;
|
|
}
|