static int check_ip_clk_status(void)
{
int u3_port_num;
u32 check_bits;
u32 sts1, sts2;
struct stopwatch sw;
u3_port_num = CAP_U3_PORT_NUM(read32(&ippc_regs->ip_xhci_cap));
check_bits = STS1_SYSPLL_STABLE | STS1_REF_RST | STS1_SYS125_RST;
check_bits = (u3_port_num ? STS1_U3_MAC_RST : 0);
stopwatch_init_usecs_expire(&sw, 50000);
do {
if (stopwatch_expired(&sw)) {
u3p_err("usb clocks are not stable!!!\n");
return -1;
}
sts1 = read32(&ippc_regs->ip_pw_sts1) & check_bits;
sts2 = read32(&ippc_regs->ip_pw_sts2) & STS2_U2_MAC_RST;
} while ((sts1 != check_bits) || !sts2);
return 0;
}
void setup_usb_host(void)
{
u3p_msg("Setting up USB HOST controller...\n");
mtk_usb_prepare();
ssusb_soft_reset();
if (u3phy_ports_enable()) {
u3p_err("%s fail to enable ports\n", __func__);
return;
}
u3phy_power_on();
u3p_msg("phy power-on done.\n");
}
void setup_usb_host(void)
{
int ret;
u3p_msg("Setting up USB HOST controller...\n");
mt_pll_enable_ssusb_clk();
ssusb_soft_reset();
ret = u3phy_ports_enable();
if (ret) {
u3p_err("%s fail to enable ports\n", __func__);
return;
}
u3phy_power_on();
u3p_msg("phy power-on done.\n");
}
