static u32 __init omap2_usb2_init(unsigned nwires, unsigned alt_pingroup)
{
u32 syscon1 = 0;
omap2_usb2_disable_5pinbitll();
alt_pingroup = 0;
/* */
if (alt_pingroup || nwires == 0)
return 0;
omap_mux_init_signal("usb2_dat", 0);
omap_mux_init_signal("usb2_se0", 0);
if (nwires > 2)
omap_mux_init_signal("usb2_txen", 0);
if (nwires > 3)
omap_mux_init_signal("usb2_rcv", 0);
switch (nwires) {
case 2:
/*
*/
syscon1 = 1;
omap2_usb_devconf_set(2, USB_BIDIR_TLL);
break;
case 3:
syscon1 = 2;
omap2_usb_devconf_set(2, USB_BIDIR);
break;
case 4:
syscon1 = 1;
omap2_usb_devconf_set(2, USB_BIDIR);
break;
case 5:
/*
*/
syscon1 = 3;
omap2_usb2_enable_5pinunitll();
break;
case 6:
default:
printk(KERN_ERR "illegal usb%d %d-wire transceiver\n",
2, nwires);
}
return syscon1 << 24;
}
static u32 __init omap2_usb2_init(unsigned nwires, unsigned alt_pingroup)
{
u32 syscon1 = 0;
omap2_usb2_disable_5pinbitll();
alt_pingroup = 0;
/* NOTE omap1 erratum: must leave USB2_UNI_R set if usb0 in use */
if (alt_pingroup || nwires == 0)
return 0;
omap_mux_init_signal("usb2_dat", 0);
omap_mux_init_signal("usb2_se0", 0);
if (nwires > 2)
omap_mux_init_signal("usb2_txen", 0);
if (nwires > 3)
omap_mux_init_signal("usb2_rcv", 0);
switch (nwires) {
case 2:
/* NOTE: board-specific code must override this setting if
* this TLL link is not using DP/DM
*/
syscon1 = 1;
omap2_usb_devconf_set(2, USB_BIDIR_TLL);
break;
case 3:
syscon1 = 2;
omap2_usb_devconf_set(2, USB_BIDIR);
break;
case 4:
syscon1 = 1;
omap2_usb_devconf_set(2, USB_BIDIR);
break;
case 5:
/* NOTE: board-specific code must mux this setting depending
* on TLL link using DP/DM. Something must also
* set up OTG_SYSCON2.HMC_TLL{ATTACH,SPEED}
* 2420: hdq_sio.usb2_tllse0 or vlynq_rx0.usb2_tllse0
* 2430: hdq_sio.usb2_tllse0 or sdmmc2_dat0.usb2_tllse0
*/
syscon1 = 3;
omap2_usb2_enable_5pinunitll();
break;
case 6:
default:
printk(KERN_ERR "illegal usb%d %d-wire transceiver\n",
2, nwires);
}
return syscon1 << 24;
}
static u32 __init omap_usb2_init(unsigned nwires, unsigned alt_pingroup)
{
u32 syscon1 = 0;
if (cpu_is_omap24xx()) {
omap2_usb2_disable_5pinbitll();
alt_pingroup = 0;
}
/* NOTE omap1 erratum: must leave USB2_UNI_R set if usb0 in use */
if (alt_pingroup || nwires == 0)
return 0;
if (cpu_class_is_omap1() && !cpu_is_omap15xx() && nwires != 6) {
u32 l;
l = omap_readl(USB_TRANSCEIVER_CTRL);
l &= ~CONF_USB2_UNI_R;
omap_writel(l, USB_TRANSCEIVER_CTRL);
}
/* external transceiver */
if (cpu_is_omap15xx()) {
omap_cfg_reg(USB2_TXD);
omap_cfg_reg(USB2_TXEN);
omap_cfg_reg(USB2_SEO);
if (nwires != 3)
omap_cfg_reg(USB2_RCV);
/* there is no USB2_SPEED */
} else if (cpu_is_omap16xx()) {
omap_cfg_reg(V6_USB2_TXD);
omap_cfg_reg(W9_USB2_TXEN);
omap_cfg_reg(W5_USB2_SE0);
if (nwires != 3)
omap_cfg_reg(Y5_USB2_RCV);
// FIXME omap_cfg_reg(USB2_SPEED);
} else if (cpu_is_omap24xx()) {
omap_cfg_reg(Y11_24XX_USB2_DAT);
omap_cfg_reg(AA10_24XX_USB2_SE0);
if (nwires > 2)
omap_cfg_reg(AA12_24XX_USB2_TXEN);
if (nwires > 3)
omap_cfg_reg(AA6_24XX_USB2_RCV);
} else {
pr_debug("usb%d cpu unrecognized\n", 1);
return 0;
}
// if (cpu_class_is_omap1()) omap_cfg_reg(USB2_SUSP);
switch (nwires) {
case 2:
if (!cpu_is_omap24xx())
goto bad;
/* NOTE: board-specific code must override this setting if
* this TLL link is not using DP/DM
*/
syscon1 = 1;
omap2_usb_devconf_set(2, USB_BIDIR_TLL);
break;
case 3:
syscon1 = 2;
if (cpu_is_omap24xx())
omap2_usb_devconf_set(2, USB_BIDIR);
break;
case 4:
syscon1 = 1;
if (cpu_is_omap24xx())
omap2_usb_devconf_set(2, USB_BIDIR);
break;
case 5:
if (!cpu_is_omap24xx())
goto bad;
omap_cfg_reg(AA4_24XX_USB2_TLLSE0);
/* NOTE: board-specific code must override this setting if
* this TLL link is not using DP/DM. Something must also
* set up OTG_SYSCON2.HMC_TLL{ATTACH,SPEED}
*/
syscon1 = 3;
omap2_usb2_enable_5pinunitll();
break;
case 6:
if (cpu_is_omap24xx())
goto bad;
syscon1 = 3;
if (cpu_is_omap15xx()) {
omap_cfg_reg(USB2_VP);
omap_cfg_reg(USB2_VM);
} else {
u32 l;
omap_cfg_reg(AA9_USB2_VP);
omap_cfg_reg(R9_USB2_VM);
l = omap_readl(USB_TRANSCEIVER_CTRL);
l |= CONF_USB2_UNI_R;
omap_writel(l, USB_TRANSCEIVER_CTRL);
}
break;
default:
bad:
printk(KERN_ERR "illegal usb%d %d-wire transceiver\n",
2, nwires);
}
return syscon1 << 24;
}
static u32 __init omap_usb2_init(unsigned nwires, unsigned alt_pingroup)
{
u32 syscon1 = 0;
if (cpu_is_omap24xx()) {
omap2_usb2_disable_5pinbitll();
alt_pingroup = 0;
}
if (alt_pingroup || nwires == 0)
return 0;
if (cpu_class_is_omap1() && !cpu_is_omap15xx() && nwires != 6) {
u32 l;
l = omap_readl(USB_TRANSCEIVER_CTRL);
l &= ~CONF_USB2_UNI_R;
omap_writel(l, USB_TRANSCEIVER_CTRL);
}
if (cpu_is_omap15xx()) {
omap_cfg_reg(USB2_TXD);
omap_cfg_reg(USB2_TXEN);
omap_cfg_reg(USB2_SEO);
if (nwires != 3)
omap_cfg_reg(USB2_RCV);
} else if (cpu_is_omap16xx()) {
omap_cfg_reg(V6_USB2_TXD);
omap_cfg_reg(W9_USB2_TXEN);
omap_cfg_reg(W5_USB2_SE0);
if (nwires != 3)
omap_cfg_reg(Y5_USB2_RCV);
} else if (cpu_is_omap24xx()) {
omap_cfg_reg(Y11_24XX_USB2_DAT);
omap_cfg_reg(AA10_24XX_USB2_SE0);
if (nwires > 2)
omap_cfg_reg(AA12_24XX_USB2_TXEN);
if (nwires > 3)
omap_cfg_reg(AA6_24XX_USB2_RCV);
} else {
pr_debug("usb%d cpu unrecognized\n", 1);
return 0;
}
switch (nwires) {
case 2:
if (!cpu_is_omap24xx())
goto bad;
syscon1 = 1;
omap2_usb_devconf_set(2, USB_BIDIR_TLL);
break;
case 3:
syscon1 = 2;
if (cpu_is_omap24xx())
omap2_usb_devconf_set(2, USB_BIDIR);
break;
case 4:
syscon1 = 1;
if (cpu_is_omap24xx())
omap2_usb_devconf_set(2, USB_BIDIR);
break;
case 5:
if (!cpu_is_omap24xx())
goto bad;
omap_cfg_reg(AA4_24XX_USB2_TLLSE0);
syscon1 = 3;
omap2_usb2_enable_5pinunitll();
break;
case 6:
if (cpu_is_omap24xx())
goto bad;
syscon1 = 3;
if (cpu_is_omap15xx()) {
omap_cfg_reg(USB2_VP);
omap_cfg_reg(USB2_VM);
} else {
u32 l;
omap_cfg_reg(AA9_USB2_VP);
omap_cfg_reg(R9_USB2_VM);
l = omap_readl(USB_TRANSCEIVER_CTRL);
l |= CONF_USB2_UNI_R;
omap_writel(l, USB_TRANSCEIVER_CTRL);
}
break;
default:
bad:
printk(KERN_ERR "illegal usb%d %d-wire transceiver\n",
2, nwires);
}
return syscon1 << 24;
}
