diff options
Diffstat (limited to 'target/linux/realtek/files/drivers/usb/host/ehci-rtl8652.c')
| -rw-r--r-- | target/linux/realtek/files/drivers/usb/host/ehci-rtl8652.c | 161 |
1 files changed, 156 insertions, 5 deletions
diff --git a/target/linux/realtek/files/drivers/usb/host/ehci-rtl8652.c b/target/linux/realtek/files/drivers/usb/host/ehci-rtl8652.c index 1be39ae22..e51727a04 100644 --- a/target/linux/realtek/files/drivers/usb/host/ehci-rtl8652.c +++ b/target/linux/realtek/files/drivers/usb/host/ehci-rtl8652.c @@ -317,13 +317,32 @@ static struct platform_driver ehci_rtl8652_driver = { .name = "rtl8652-ehci", }, }; -#if defined(CONFIG_RTL_8196C) +#if 1//defined(CONFIG_RTL_8196C) void SetUSBPhy(unsigned char reg, unsigned char val) { #define USB2_PHY_DELAY {mdelay(5);} //8196C demo board: 0xE0:99, 0xE1:A8, 0xE2:98, 0xE3:C1, 0xE5:91, +#if !CONFIG_RTL_819XD //8198 REG32(0xb8000034) = (0x1f00 | val); USB2_PHY_DELAY; +#else //8196D + #define SYS_USB_SIE 0xb8000034 + #define SYS_USB_PHY 0xb8000090 + int oneportsel=(REG32(SYS_USB_SIE) & (1<<18))>>18; + + unsigned int tmp = REG32(SYS_USB_PHY); //8672 only + tmp = tmp & ~((0xff<<11)|(0xff<<0)); + + + if(oneportsel==0) + { REG32(SYS_USB_PHY) = (val << 0) | tmp; //phy 0 + } + else + { REG32(SYS_USB_PHY) = (val << 11) | tmp; //phy1 + } + + USB2_PHY_DELAY; +#endif //printk("0xb8000034=%08x\n", REG32(0xb8000034)); unsigned char reg_h=(reg &0xf0)>>4; @@ -461,24 +480,113 @@ static void synopsys_usb_patch(void) #endif return; } +//-------------------------------------------- +void EnableUSBPHY(int portnum) +{ + if(portnum==0) + { + //phy0 + REG32(0xb8000090) |= (1<<8); //USBPHY_EN=1 + REG32(0xb8000090) |= (1<<9); //usbphy_reset=1, active high + REG32(0xb8000090) &= ~(1<<9); //usbphy_reset=0, active high + REG32(0xb8000090) |= (1<<10); //active_usbphyt=1 + + } + else + { + //phy1 + REG32(0xb8000090) |= (1<<19); //USBPHY_EN=1 + REG32(0xb8000090) |= (1<<20); //usbphy_reset=1, active high + REG32(0xb8000090) &= ~(1<<20); //usbphy_reset=0, active high + REG32(0xb8000090) |= (1<<21); //active_usbphyt=1 + + } +} +//---------------------------------------------- /*here register platform rtl8652 usb device. do it in kernel boot is a good choice*/ static struct platform_device *usb_dev_host = NULL; //wei add //---------------------------------------------------------------------- static int ehci_rtl8652_init(void) { - REG32(0xb8000010)=REG32(0xb8000010)|0x20000; - /*register platform device*/ - int retval; - //static struct platform_device *usb_dev_host = NULL; + if(usb_dev_host!=NULL) { printk("Ehci-rtl8652.c: EHCI device already init\n"); return -1; } +#if !defined(CONFIG_RTL_819XD) //8198 + REG32(0xb8000010)=REG32(0xb8000010)|(1<<17); +#else //8196D +#if 0 + extern void HangUpRes(int); + HangUpRes(1); +#endif + + //one port sel + //is 0: phy#1 connect OTG mac, EHCI is in phy0 + //is 1: phy#1 connect EHCI mac + +#ifdef CONFIG_RTL_USB_OTG + int oneportsel=0; + REG32(0xb8000034) &= ~(1<<18); //one port sel=0 +#else +#if 1 //software force + int oneportsel=1; + if(oneportsel==1) + { REG32(0xb8000034) |= (1<<18); //one port sel=1 + } + else + { REG32(0xb8000034) &= ~(1<<18); //one port sel=0 + } +#else //read-back decide + int oneportsel= (REG32(0xb8000034) & (1<<18))>>18; + printk("EHCI: one_port_host_sel=%d, EHCI in Port %s\n", oneportsel, (oneportsel==0) ? "0": "1"); +#endif +#endif + //sie + REG32(0xb8000034) |= (1<<11); //s_utmi_suspend0=1 + REG32(0xb8000034) |= (1<<12); //en_usbhost=1 + REG32(0xb8000034) |= (1<<17); //enable pgbndry_disable=1 + + + if(oneportsel==1) + { + EnableUSBPHY(1); + } + else //if(oneportsel==1) + {//phy0, phy1 +#ifdef CONFIG_RTL_OTGCTRL + extern unsigned int TurnOn_OTGCtrl_Interrupt(unsigned int); + unsigned int old= TurnOn_OTGCtrl_Interrupt(0); +#endif + EnableUSBPHY(0); + EnableUSBPHY(1); +#ifdef CONFIG_RTL_OTGCTRL + TurnOn_OTGCtrl_Interrupt(old); +#endif + } + + + //ip clock mgr + REG32(0xb8000010) |= (1<<12)|(1<<13)|(1<<19)|(1<<20); //enable lx1, lx2 + REG32(0xb8000010) |= (1<<21); //enable host ip + + mdelay(100); + printk("b8021000=%x\n", REG32(0xb8021000) ); + printk("b8021054=%x\n", REG32(0xb8021054) ); + + /* b8021000=10000001 + b8021054=200000 + */ + +#endif + /*register platform device*/ + int retval; + //static struct platform_device *usb_dev_host = NULL; struct resource r[2]; memset(&r, 0, sizeof(r)); @@ -500,6 +608,8 @@ static int ehci_rtl8652_init(void) usb_dev_host=NULL; //wei add goto err; } + +#if 0 #if defined(CONFIG_RTL_8198) #ifdef CONFIG_RTL8198_REVISION_B // rock: pin_mux for USB over-current detection in rtl8198_rev_a @@ -512,6 +622,31 @@ static int ehci_rtl8652_init(void) #else synopsys_usb_patch(); #endif +#endif +#if defined(CONFIG_RTL_8196C) + synopsys_usb_patch(); +#endif +#if 1 //wei add + +// disable Host chirp J-K +// SetUSBPhy(0xf4,0xe3); GetUSBPhy(0xf4); + //if(oneportsel==1) + //SetUSBPhy(0xe6,0xb8); //disconnect, work + //SetUSBPhy(0xe6,0xc8); + + //SetUSBPhy(0xe7,0x1c); //jwen tell + //dump + int i; + for(i=0xe0;i<=0xe7; i++) + printk("reg %x=%x\n", i,GetUSBPhy(i) ); + for(i=0xf0;i<=0xf6; i++) + printk("reg %x=%x\n", i,GetUSBPhy(i) ); + //FPGA Patch + //printk("FPGA patch\n"); + //REG32(0xb8021094)=0x80008000; //fpga threshold + + +#endif return 0; err: @@ -530,4 +665,20 @@ void ehci_rtl8652_cleanup(void) usb_dev_host=NULL; } +//---------------------------------------------------------------------- +#if 0 +void ehci_autodet_probe() +{ + if(usb_dev_host!=NULL) + {ehci_rtl8652_drv_probe(usb_dev_host); + } +} +void ehci_autodet_remove() +{ + if(usb_dev_host!=NULL) + {ehci_rtl8652_drv_remove(usb_dev_host); + } + +} +#endif |