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gfiber / barebox / mindspeed / e9ee0df9d10fa69ce646554f5718ba699bcfc05a / . / diags / usb3 / usb3_test_func.h
blob: 32b91d64ed5c26c5a6219a5ce4dbc6595406963e [file] [log] [blame]
#ifdef USB_DEBUG
#define pr_debug(fmt, arg...) printf(fmt, ##arg)
#else
#define pr_debug(fmt, arg...) do {} while(0)
#endif
#define dbg_usb(fmt, arg...) pr_debug(fmt, ##arg)
#if 0
void nop (volatile int no_of_nop){
int temp, i;
temp = 0;
for(i = 0; i < no_of_nop; i++){
temp = i;
}
return;
}
#endif
//****************************************************************************************//
void usb3subsys_phy_init(void)
{
dbg_usb("*** Programming the usb3 controller & usb3 phy control top level registers,while usb3 controller+phy are in reset ****\n");
//----------------------------------------------------------------
// PROGRAMMING THE CONTROLLER + PHY CONTROLL REGISTERS
// Note: Core+PHY need to be in reset to prior to programming these
// registers.
//----------------------------------------------------------------
//{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{[
// Programming the controller control register #0 (0x904a_0010)
// Note: register should be configured while Controller and PHY are in reset
//31:24 RSVD =0000_0000
//23 xhc_bme =1 -bus mastering capability enabled;0-bus mastering capability disabled.
//22 xhsi_rev =1 -this xHCI is compliant to xHCI standard revision1.0.
//21:16 fladj_30mhz_reg[5:0] =10_0000 (decimal:32)
//15:12 bus_filter_bypass[3:0] =0000 -bus filters enabled;1111-bus filters bypassed.
//11:10 Reserved =00
//9 pme_en =0 -disables the pme-generation;1-enables the pme generation.
//8 host_port_power_control_present =0- port does not have power switches;1- port has power switches
//7 vbus_ctrl_en =1- enable controller to drive PHY's DRVVBUS(host);0-for device
//6 host_u3_port_disable =0- USB3.0 port enabled;1-USB3.0 port disabled.
//5 host_u2_port_disable =0- USB2.0 port enabled;1-USB2.0 port disabled.
//4 host_msi_enable =0 -enables level type interrupt from controller;1-enables pulse type interrupt from controller.
//3:2 hub_port_perm_attach[1:0] =00-Device is not permanently attached;11-device is permanently attached.
//1:0 hub_port_overcurrent[1:0] =00-No over current ; 11- Over current
writel(0x00E000A0,(USB3p0_PHY_CFG_BASE_ADDR+0x10)); //With USB2.0 port disabled
dbg_usb("USB3 CONTROLLER CONTROL REG#0 @ A:%x,WrD:%x\n",(USB3p0_PHY_CFG_BASE_ADDR+0x10),0x00E000A0);
//{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{[
// Programming Controller controll register #1 (0x904a_0014)
//31:9 RSVD
//8 host_legacy_smi_bar_wr
//7:5 RSVD
//4 host_legacy_smi_pci_cmd_writel I
//3:2 RSVD
//1:0 pm_power_state_request[1:0]
//{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{[
//[0x18 RWSC] Controller Control Register #2
//(Default: 0x00000001)
//Bit Name Description
//31:1 RSVD (tied to ‘0’)
//0 light_reset_n
//Active low reset. It is similar to the xHCI "Light Reset"
//which does not reset any sticky bits.
//When operating as a device this bit should be kept high.
//Default=0b1
//{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{[
// Programming the PHY controll register #0((0x904a_0020)
// Note: register should be configured while Controller and PHY are in reset
//31:23 ssc_ref_clk_sel[8:0] =0100_0010_0 //Spread Spectrum Reference Clock Shifting
//22:20 ssc_range[2:0] =000 //Spread Spectrum Clock Range
//19 ssc_en =1 //Spread Spectrum Enable
//18:12 mpll_multiplier[6:0] =001_1001 (100MHz) //MPLL Frequency Multiplier Control ,but only relevant if refclksel=11
//11 commononn =0 //Common Block Power-Down Control
//10 ref_clkdiv2 =0 //Input Reference Clock Divider Control
//9:4 fsel[5:0] =10_0111 (100MHz) //Frequency Select
//3:2 refclksel =10 //Reference Clock Select for HS PLL Block
//1 ref_use_pad =1 //Select Reference Clock
//0 phy_sel_div2_clk =0
writel(0x4209927A,(USB3p0_PHY_CFG_BASE_ADDR+0x20));
dbg_usb("USB3PHY CONTROL REG#0 @ A:%x,WrD:%x\n",(USB3p0_PHY_CFG_BASE_ADDR+0x20),0x4209927A);
//{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{[
//Programming the PHY controll register #1 (0x904a_0024)
//Note: register should be configured while Controller and PHY are in reset
//31:29 sqrxtune0[2:0] =011
//28:24 los_level[4:0] =0_1001
//23 ref_ssp_en =1
//22:20 otgtune0[2:0] =100
//19:16 txfslstune0[3:0] =0011
//15 txpreemppulserune0 =0
//14:12 compdistune0[2:0] =100
//11:10 txpreempamptune0[1:0] =11
//9:8 txhsxvtune0[1:0] =11
//7:6 txrestune0[1:0] =01
//5:4 txrisetune0[1:0] =01
//3:0 txvreftune0[3:0] =0011
writel(0x69C34F53,(USB3p0_PHY_CFG_BASE_ADDR+0x24));
dbg_usb("USB3PHY CONTROL REG#1 @ A:%x,WrD:%x\n",(USB3p0_PHY_CFG_BASE_ADDR+0x24),0x69C34F53);
//{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{[
//Programming the PHY controll register #2 (0x904a_0028)
//Note: register should be configured while Controller and PHY are in reset
//31:27 lane0_tx_term_offset[4:0] =0000_0
//26 Reserved =0
//25:23 tx_vboost_lvl[2:0] =00_0
//22:20 los_bias[2:0] =000_
//19 vbusvldextsel0 =0
//18:12 pcs_tx_swing_full[6:0] =101_1101_
//11:6 pcs_tx_deemph_6db[5:0] =1000_00
//5:0 pcs_tx_deemph_3p5db[5:0] =01_0101
writel(0x0005D815,(USB3p0_PHY_CFG_BASE_ADDR+0x28));
dbg_usb("USB3PHY CONTROL REG#2 @ A:%x,WrD:%x\n",(USB3p0_PHY_CFG_BASE_ADDR+0x28),0x0005D815);
//{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{[
//[0x2C RW] PHY Control Register #3
//31:17 RSVD =0000_0000_0000_000
//16 loopbackenb0 =0
//15 adpprbenb0 =0
//14 adpdischrg0 =0
//13 adpchrg0 =0
//12 idpullup0 =0 (Host)
//11 drvvbus0 =1 (M)
//10 vbusvldext0 =0
//9:8 vatestenb[1:0] =00
//7 otgdisable0 =0 (M)
//6 test_powerdown_ssp =0
//5 test_powerdown_hsp =0
//4 lane0_tx2rx_loopbk =0
//3 lane0_ext_pclk_req =0
//2:1 Reserved =00
//0 rerenablen =1
writel(0x00000801,(USB3p0_PHY_CFG_BASE_ADDR+0x2C));
dbg_usb("USB3PHY CONTROL REG#3 @ A:%x,WrD:%x\n",(USB3p0_PHY_CFG_BASE_ADDR+0x2C),0x00000801);
dbg_usb("*** usb3:phy & controller top level registers conifguration done ****\n");
} //usb3subsys_phy_init
//****************************************************************************************//
void usb3_controller_global_regs_init(void)
{
dbg_usb("*** Programming the usb3 controller global registers ****\n");
//----------------------------------------------------------------
// PROGRAMMING GLOBAL REGISTERS
//----------------------------------------------------------------
// GUSB2PHYCFG - De-assert usb2 PHY reset if default its set
for(usb3_i=0; usb3_i<=DWC_USB3_HOST_NUM_U2_ROOT_PORTS-1; usb3_i=usb3_i+1)
{
usb3_read_data = readl((USB3p0_CFG_BASE_ADDR+0xc000 + (usb3_i * 4) + 0x200)); // GUSB2PHYCFG
dbg_usb("USB3CONTROLER GUSB2PHYCFG REG @ A:%x,RdD:%x\n",(USB3p0_CFG_BASE_ADDR+0xc000 + (usb3_i * 4) + 0x200),usb3_read_data);
usb3_read_data = (usb3_read_data & 0x7FFFFFFF); //make [31] = 1'b0
writel( usb3_read_data,(USB3p0_CFG_BASE_ADDR+0xc000 + (usb3_i * 4) + 0x200)); // GUSB2PHYCFG
dbg_usb("USB3CONTROLLER GUSB2PHYCFG REG @ A:%x,WrD:%x\n",(USB3p0_CFG_BASE_ADDR+0xc000 + (usb3_i * 4) + 0x200),usb3_read_data);
}
// GUSB3PIECL - De-assert usb3 PHY reset if default its set
for(usb3_i=0; usb3_i<=DWC_USB3_HOST_NUM_U3_ROOT_PORTS-1; usb3_i=usb3_i+1)
{
usb3_read_data = readl((USB3p0_CFG_BASE_ADDR+0xc000 + (usb3_i * 4) + 0x2c0)); // GUSB3PIECL
dbg_usb("USB3CONTROLLER GUSB3PIECL REG @ A:%x,RdD:%x\n",(USB3p0_CFG_BASE_ADDR+0xc000 + (usb3_i * 4) + 0x2c0),usb3_read_data);
usb3_read_data = (usb3_read_data & 0x7FFFFFFF); //make [31] = 1'b0
writel( usb3_read_data,(USB3p0_CFG_BASE_ADDR+0xc000 + (usb3_i * 4) + 0x2c0)); // GUSB3PIECL
dbg_usb("USB3CONTROLLER GUSB3PIECL REG @ A:%x,WrD:%x\n",(USB3p0_CFG_BASE_ADDR+0xc000 + (usb3_i * 4) + 0x2c0), usb3_read_data);
}
nop(4);
//-------------------------------------------------------------------------------
// Bypass Scrambling and Set Shorter Training sequence for simulation
//-------------------------------------------------------------------------------
/* GCTL[31:19] is decided by susp}_clk = 15mhz, scale = susp}_clk/16khz, 15000/16 = 938(dec) = 3A9(Hex)
when left shifted, it becomes 1d48 assuming [18:16]==0. */
if((DWC_USB3_BUS_CLK_FREQ < 125) && (DWC_USB3_SSPHY_INTERFACE==1))
{
// writel( 0x0000_1078,USB3p0_CFG_BASE_ADDR+0xC110); // GCTL - ram_clk_sel=pipe3_clk, scramble-off, scaledown
writel( 0x1d481078,(USB3p0_CFG_BASE_ADDR+0xC110)); // GCTL - ram_clk_sel=pipe3_clk, scramble-off, scaledown
dbg_usb("USB3CONTROLLER GCTL REG @ A:%x,WrD:%x\n",(USB3p0_CFG_BASE_ADDR+0xC110), 0x1d481038);
}
else
{
//[31:19] PwrDwnScale - when susp_clk=48MHz => 48M/16K=3000=0xBB8 -> shift left by 8 -> 0x5DC0
//[18] Master Filter Bypass -> 0
//[17] Reserved -> 0
//[16] u2rstecn -> 0
//[15:14] FRMSCLDWN = 125us -> 00
//[13:12] PrtCapDir = Host -> 01
//[11] Core Soft Reset = No -> 0
//[10:9] Reserved -> 00
//[8] Debug Attach -> 0
//[7:6] RAM Clock = Bus Clock (if >125MHz) -> 2'b00
//[5:4] Scale Down Mode = Disabled -> 00
//[3] Disable Scrambling -> 1 (TEMP!!!!!)
//[2:1] Reserved -> 00
//[0] Disable Clock Gaing (at early validation stage we do not set it to 1) -> 0
dbg_usb("*** Programming the usb3 controller in scaledown disable mode ****\n");
writel( 0x5Dc11000,(USB3p0_CFG_BASE_ADDR+0xC110)); //With u2rstecn-1'b1,With enabled scrambling
dbg_usb("USB3CONTROLLER GCTL REG @ A:%x,WrD:%x\n",(USB3p0_CFG_BASE_ADDR+0xC110), 0x5DC11000);
}
} //usb3_controller_global_regs_init
//****************************************************************************************//
void usb3_constants_init(void)
{
dbg_usb("*** USB3:Initializing variables with system memory mapped address ranges ****\n");
//----------------------------------------------------------------
// Defining SOC depedent data structures memory range.
//----------------------------------------------------------------
usb3_xHC_register_base = ((u32)(USB3_CONTROLLER_REG_CFG_BASE_ADDRESS));
usb3_xHC_data_addr = ((u32)(SYS_MEMORY_BASE_ADDRESS));
usb3_xHC_Transfer_TRB_addr = ((u32)(usb3_xHC_data_addr + xHC_SYS_MEMORY_Transfer_TRB_OFFSET_ADDRESS));
usb3_xHC_Command_TRB_addr = ((u32)(usb3_xHC_data_addr + xHC_SYS_MEMORY_Command_TRB_OFFSET_ADDRESS));
usb3_xHC_Event_TRB_addr = ((u32)(usb3_xHC_data_addr + xHC_SYS_MEMORY_Event_TRB_OFFSET_ADDRESS));
usb3_xHC_DCBAR_addr = ((u32)(usb3_xHC_data_addr + xHC_SYS_MEMORY_Device_Context_Base_Address_Array_OFFSET_ADDRESS));
usb3_xHC_Device_Context_addr = ((u32)(usb3_xHC_data_addr + xHC_SYS_MEMORY_Device_Context_OFFSET_ADDRESS));
usb3_xHC_Input_Context_addr = ((u32)(usb3_xHC_data_addr + xHC_SYS_MEMORY_Input_Context_OFFSET_ADDRESS));
usb3_xHC_Scratch_Pad_Array_addr = ((u32)(usb3_xHC_data_addr + xHC_SYS_MEMORY_Scratch_Pad_Array_ADDRESS));
usb3_xHC_Scratch_Pad_buf0_addr = ((u32)(usb3_xHC_data_addr + xHC_SYS_MEMORY_Scratch_Pad_BUF0_ADDRESS));
usb3_xHC_EventRing_Segment_addr = ((u32)(usb3_xHC_data_addr + xHC_SYS_MEMORY_Event_Ring_Segment_OFFSET_ADDRESS));
usb3_xHC_EventRing_Segment_table_addr = ((u32)(usb3_xHC_data_addr + xHC_SYS_MEMORY_Event_Ring_Segment_Table_OFFSET_ADDRESS));
usb3_xHC_CommandRing_Segment_addr = ((u32)(usb3_xHC_data_addr + xHC_SYS_MEMORY_Command_Ring_Segment_OFFSET_ADDRESS));
usb3_xHC_TransferRing_Segment_addr = ((u32)(usb3_xHC_data_addr + xHC_SYS_MEMORY_Transfer_Ring_Segment_OFFSET_ADDRESS));
usb3_xHC_Data_BulkOut_Buffer_addr = ((u32)(usb3_xHC_data_addr + xHC_SYS_MEMORY_Data_BULKOUT_BUF_ADDRESS));
usb3_xHC_Data_BulkIn_Buffer_addr = ((u32)(usb3_xHC_data_addr + xHC_SYS_MEMORY_Data_BULKIN_BUF_ADDRESS));
dbg_usb ("usb3_xHC_register_base = %x\n",usb3_xHC_register_base );
dbg_usb ("usb3_xHC_data_addr = %x\n",usb3_xHC_data_addr );
dbg_usb ("usb3_xHC_Transfer_TRB_addr = %x\n",usb3_xHC_Transfer_TRB_addr );
dbg_usb ("usb3_xHC_Command_TRB_addr = %x\n",usb3_xHC_Command_TRB_addr );
dbg_usb ("usb3_xHC_Event_TRB_addr = %x\n",usb3_xHC_Event_TRB_addr );
dbg_usb ("usb3_xHC_DCBAR_addr = %x\n",usb3_xHC_DCBAR_addr );
dbg_usb ("usb3_xHC_Device_Context_addr = %x\n",usb3_xHC_Device_Context_addr );
dbg_usb ("usb3_xHC_Input_Context_addr = %x\n",usb3_xHC_Input_Context_addr );
dbg_usb ("usb3_xHC_Scratch_Pad_Array_addr = %x\n",usb3_xHC_Scratch_Pad_Array_addr );
dbg_usb ("usb3_xHC_Scratch_Pad_buf0_addr = %x\n",usb3_xHC_Scratch_Pad_buf0_addr );
dbg_usb ("usb3_xHC_EventRing_Segment_addr = %x\n",usb3_xHC_EventRing_Segment_addr );
dbg_usb ("usb3_xHC_EventRing_Segment_table_addr = %x\n",usb3_xHC_EventRing_Segment_table_addr );
dbg_usb ("usb3_xHC_CommandRing_Segment_addr = %x\n",usb3_xHC_CommandRing_Segment_addr );
dbg_usb ("usb3_xHC_TransferRing_Segment_addr = %x\n",usb3_xHC_TransferRing_Segment_addr );
dbg_usb ("usb3_xHC_Data_BulkIn_Buffer_addr = %x\n",usb3_xHC_Data_BulkIn_Buffer_addr );
dbg_usb ("usb3_xHC_Data_BulkOut_Buffer_addr = %x\n",usb3_xHC_Data_BulkOut_Buffer_addr );
//-----------------------------------------------------------
usb3_ss_port_number = DWC_USB3_HOST_NUM_U2_ROOT_PORTS +1;
dbg_usb("USB3:SS 1st port number is %d\n", usb3_ss_port_number);
usb3_hs_port_number = 1; //HS/FS/LS port number is always 1
dbg_usb("USB3:HS 1st port number is %d\n", usb3_hs_port_number);
//-----------------------------------------------------------
//Transfer Parameters -
usb3_total_num_of_bulkout_bytes = USB3_NUM_OF_BULKOUT_BYTES_TO_BE_XFERED; // Should be multiple of 4
usb3_host_num_of_bulkout_trbs = USB3_NUM_OF_BULKOUT_TRBS;
usb3_host_num_of_bulkout_bytes_per_trb = usb3_total_num_of_bulkout_bytes/usb3_host_num_of_bulkout_trbs;
usb3_total_num_of_bulkin_bytes = USB3_NUM_OF_BULKIN_BYTES_TO_BE_XFERED; // Should be multiple of 4
usb3_host_num_of_bulkin_trbs = USB3_NUM_OF_BULKIN_TRBS;
usb3_host_num_of_bulkin_bytes_per_trb = usb3_total_num_of_bulkin_bytes/usb3_host_num_of_bulkin_trbs;
//-----------------------------------------------------------
//nop(50);
} //usb3_constants_init
//****************************************************************************************//
//xHC controller initialization
void usb3_xHC_controller_init(void)
{
dbg_usb("*** Initializing the USB3 xHC Controller ****\n");
//Read the value of CAPLENGTH out of Capability Register
usb3_read_data = readl((USB3p0_CFG_BASE_ADDR+0x00));
dbg_usb("USB3CONTROLLER CAPABILITY REG @ A:%x,RdD:%x\n",(USB3p0_CFG_BASE_ADDR+0x00),usb3_read_data);
usb3_caplength = (usb3_read_data & 0x00FF);
dbg_usb("USB3:Caplength = %x\n", usb3_caplength);
// Poll the usb3_CNR bit11 of USBSTS Register after a Chip Hardware Reset
usb3_read_data = readl((USB3p0_CFG_BASE_ADDR+usb3_caplength+0x04));
dbg_usb("USB3CONTROLLER USBSTS REG @ A:%x,RdD:%x\n",(USB3p0_CFG_BASE_ADDR+usb3_caplength+0x04),usb3_read_data);
usb3_CNR = (usb3_read_data & 0x00000800);
//wait for xHC ready to begin accepting register writes
dbg_usb("USB3: Waiting for controller ready to begin accepting register writes\n");
while (usb3_CNR != 0x0)
{
usb3_read_data = readl((USB3p0_CFG_BASE_ADDR+usb3_caplength+0x04));
dbg_usb("USB3CONTROLLER USBSTS REG @ A:%x,RdD:%x\n",(USB3p0_CFG_BASE_ADDR+usb3_caplength+0x04),usb3_read_data);
usb3_CNR = (usb3_read_data & 0x00000800);
dbg_usb("usb3_CNR = %x\n", usb3_CNR);
}
dbg_usb("**** USB3:xHC is now ready to begin accepting register writes ****\n");
} //usb3_xHC_controller_init
//****************************************************************************************//
// Configuring xHC controller registers for Host porgramming
void usb3_xHC_controller_regs_config(void)
{
dbg_usb("*** Configuring the USB3 xHC Controller host programming registers ****\n");
//Program the MaxSlotEn of Configure Register(CONFIG)
//usb3_read_data[31:8] = 0; //Reserved
//usb3_read_data[7:0] = 16; //Max device slot enabled
usb3_read_data = 0x10;
writel( usb3_read_data,(USB3p0_CFG_BASE_ADDR+usb3_caplength+0x38));
dbg_usb("USB3CONTROLLER CONFIGURATION REG @ A:%x,WrD:%x\n",(USB3p0_CFG_BASE_ADDR+usb3_caplength+0x38), usb3_read_data);
//Program the 64-bit address pointer of Device Context Base Address Array Pointer Register(DCBAAP)
//usb3_read_data[63:6] = {32'h0, usb3_xHC_DCBAR_addr[31:6]};
//usb3_read_data[5:0] = 6'h0; //Reserved
usb3_read_data = ((usb3_xHC_DCBAR_addr & 0xFFFFFFC0) | 0x0);
writel( usb3_read_data,(USB3p0_CFG_BASE_ADDR+usb3_caplength+0x30));
dbg_usb("USB3CONTROLLER DCBAAP REG[31:0] @ A:%x,WrD:%x\n",(USB3p0_CFG_BASE_ADDR+usb3_caplength+0x30), usb3_read_data);
usb3_read_data = 0x0;
writel( usb3_read_data,(USB3p0_CFG_BASE_ADDR+usb3_caplength+0x34));
dbg_usb("USB3CONTROLLER DCBAAP REG[63:32] @ A:%x,WrD:%x\n",(USB3p0_CFG_BASE_ADDR+usb3_caplength+0x34), usb3_read_data);
//Program the Command Ring Dequeue Pointer of Command Ring Control Register(CRCR)
////usb3_read_data[63:32] = 0; //Command Ring pointer Hi
//dbg_usb("usb3_xHC_CommandRing_Segment_addr= %x\n", usb3_xHC_CommandRing_Segment_addr);
//usb3_read_data[63:6] = {32'h0, usb3_xHC_CommandRing_Segment_addr[31:6]}; //Command Ring pointer Lo
//usb3_read_data[5:4] = 2'b00; //Reserved
//usb3_read_data[3] = 1'b0; //Command Ring Running
//usb3_read_data[2] = 1'b0; //Command Abort
//usb3_read_data[1] = 1'b0; //Command Stop
//usb3_read_data[0] = 1'b1; //Ring Cycle State
usb3_read_data = ((usb3_xHC_CommandRing_Segment_addr & 0xFFFFFFC0) | 0x1);
dbg_usb("usb3_read_data crcr = %x\n", usb3_read_data);
writel(usb3_read_data, (USB3p0_CFG_BASE_ADDR+usb3_caplength+0x18)); //[31:0],(USB3p0_CFG_BASE_ADDR+usb3_caplength+0x18));
dbg_usb("USB3CONTROLLER COMMAND RING CONTROL REG[31:0] @ A:%x,WrD:%x\n",(USB3p0_CFG_BASE_ADDR+usb3_caplength+0x18), usb3_read_data); //[31:0]);
usb3_read_data = 0x0000;
writel(usb3_read_data, (USB3p0_CFG_BASE_ADDR+usb3_caplength+0x1c)); //[63:32],(USB3p0_CFG_BASE_ADDR+usb3_caplength+0x1c));
dbg_usb("USB3CONTROLLER COMMAND RING CONTROL REG[61:32] @ A:%x,WrD:%x\n",(USB3p0_CFG_BASE_ADDR+usb3_caplength+0x1c), usb3_read_data); //[63:32]);
//Read the Runtime Base address of Runtime Register Space Offset(RTSOFF)
usb3_read_data = readl((USB3p0_CFG_BASE_ADDR +0x18));
dbg_usb("USB3CONTROLLER RTSOFF REG @ A:%x,RdD:%x\n",(USB3p0_CFG_BASE_ADDR +0x18),usb3_read_data);
//usb3_Runtime_Base_addr = usb3_read_data[31:5];
usb3_Runtime_Base_addr = (usb3_read_data & 0xFFFFFFE0);
dbg_usb("usb3_Runtime_Base_addr = %x\n", usb3_Runtime_Base_addr);
} //usb3_xHC_controller_regs_config
//****************************************************************************************//
//Initialize Device Context
void usb3_xHC_device_context_init(void)
{
dbg_usb("*** Initializing the USB3 xHC Controller host device context space at shared memory ****\n");
// Initialize the Device Context
for(usb3_i=0; usb3_i < 64; usb3_i=usb3_i+1)
{
writel( 0,(usb3_xHC_Device_Context_addr + usb3_i*0x4)); // Bus access to AHB Slave memory
//dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Device_Context_addr + usb3_i*4), 0); // Bus access to AHB Slave memory
}
}//usb3_xHC_device_context_init
//****************************************************************************************//
// Initialize the Event Ring Segments to '0'
void usb3_xHC_event_TRBs_init(void)
{
usb3_Event_TRBs = 64;
dbg_usb("*** Initializing the USB3 xHC Controller host event TRB's space at shared memory ****\n");
for(usb3_i=0; usb3_i < (usb3_Event_TRBs*4); usb3_i=usb3_i+1)
{
writel( 0,(usb3_xHC_EventRing_Segment_addr + (usb3_i*0x4))); // Bus access to AHB Slave memory
//dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_EventRing_Segment_addr + usb3_i*0x4), 0); // Bus access to AHB Slave memory
}
} //usb3_xHC_event_TRBs_init
//****************************************************************************************//
//Initialize CommandRing Segments to 0
void usb3_xHC_command_TRBs_init(void)
{
dbg_usb("*** Initializing the USB3 xHC Controller host command ring space at shared memory ****\n");
for(usb3_i=0; usb3_i < 100; usb3_i=usb3_i+1)
{
writel( 0x0,(usb3_xHC_CommandRing_Segment_addr + (usb3_i*0x4)));
//dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_CommandRing_Segment_addr + usb3_i*0x4), 0x0);
}
}//usb3_xHC_command_TRBs_init
//****************************************************************************************//
//Initialize TransferRing Segments to 0
void usb3_xHC_transfer_TRBs_init(void)
{
dbg_usb("*** Initializing the USB3 xHC Controller host transfer ring space at shared memory ****\n");
for(usb3_i=0; usb3_i < 100; usb3_i=usb3_i+1)
{
writel( 0x0,(usb3_xHC_TransferRing_Segment_addr+ (usb3_i*0x4)));
//dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_TransferRing_Segment_addr+ usb3_i*0x4), 0x0);
}
} //usb3_xHC_transfer_TRBs_init
//****************************************************************************************//
//Declaring xHC device context data structure
void usb3_xHC_device_context_datastructure_init(void)
{
dbg_usb("*** Initializing the USB3 xHC Controller host device context data structure at shared memory ****\n");
// Initialize Device Context Base Address Array
writel( usb3_xHC_Scratch_Pad_Array_addr,(usb3_xHC_DCBAR_addr+0x0));
dbg_usb("A:%x,WrD:%x\n",usb3_xHC_DCBAR_addr, usb3_xHC_Scratch_Pad_Array_addr);
writel( 0,(usb3_xHC_DCBAR_addr+0x4));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_DCBAR_addr+0x4), 0);
writel( usb3_xHC_Device_Context_addr,(usb3_xHC_DCBAR_addr+0x8));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_DCBAR_addr+0x8), usb3_xHC_Device_Context_addr);
writel( 0,(usb3_xHC_DCBAR_addr+0xc));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_DCBAR_addr+0xc), 0);
} //usb3_xHC_device_context_datastructure_init
//****************************************************************************************//
//Declaring the xHC scratchpad buffer pointer.
void usb3_xHC_scratchpad_buffer_datastructure_init(void)
{
dbg_usb("*** Initializing the USB3 xHC Controller host scrtach pad array at shared memory ****\n");
writel( usb3_xHC_Scratch_Pad_buf0_addr,(usb3_xHC_Scratch_Pad_Array_addr+0x0));
dbg_usb("A:%x,WrD:%x\n",usb3_xHC_Scratch_Pad_Array_addr, usb3_xHC_Scratch_Pad_buf0_addr);
writel( 0,(usb3_xHC_Scratch_Pad_Array_addr+0x4));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Scratch_Pad_Array_addr+0x4), 0);
} //usb3_xHC_scratchpad_buffer_datastructure_init
//****************************************************************************************//
//Declaring the xHC Event Ring Segement Table
void usb3_xHC_eventring_datastructure_init(void)
{
dbg_usb("*** Initializing the USB3 xHC Controller host Event ring segment table at shared memory ****\n");
//Program Event Ring Segment Table(ERST)
//tmp_data[63:32] = 0; // Hi address
//tmp_data[31:0] = usb3_xHC_EventRing_Segment_addr; // Lo address
usb3_read_data = usb3_xHC_EventRing_Segment_addr;
writel( usb3_read_data,(usb3_xHC_EventRing_Segment_table_addr+0x0));
dbg_usb("A:%x,WrD:%x\n",usb3_xHC_EventRing_Segment_table_addr, usb3_read_data);
usb3_read_data = 0;
writel( usb3_read_data,(usb3_xHC_EventRing_Segment_table_addr+0x4)); //Hi address
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_EventRing_Segment_table_addr+0x4), usb3_read_data); //Hi address
//usb3_read_data[31:16] = 0; // Reserved
//usb3_read_data[15:0] = 64; // Ring Segment Size
usb3_read_data = 0x0040;
writel( usb3_read_data,(usb3_xHC_EventRing_Segment_table_addr+0x8));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_EventRing_Segment_table_addr+0x8), usb3_read_data);
usb3_read_data = 0x0000;
writel( usb3_read_data,(usb3_xHC_EventRing_Segment_table_addr+0xc));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_EventRing_Segment_table_addr+0xc), usb3_read_data);
// Note: The upper 32-bit field is Reserved.
} //usb3_xHC_eventring_datastructure_init
//****************************************************************************************//
//Initializing the xHC interrupter registers
void usb3_xHC_interrupter_regs_init(void)
{
dbg_usb("*** Initializing the USB3 xHC Controller host interrupter ****\n");
//Program ERST size(ERSTSZ) Register
//usb3_read_data[31:16] = 0; // Reserved
//usb3_read_data[15:0] = 1; // Number of Event Ring segment
usb3_read_data = 0x0001;
writel( usb3_read_data,(USB3p0_CFG_BASE_ADDR+usb3_Runtime_Base_addr+0x028)); // Only has one Event Ring, Interrupter=0
dbg_usb("USB3CONTROLLER ERSTSZ REG @ A:%x,WrD:%x\n",(USB3p0_CFG_BASE_ADDR+usb3_Runtime_Base_addr+0x028), usb3_read_data);
//Program Event Ring Dequeue Pointer(ERDP) Register
//usb3_read_data[63:4] = {32'h0, usb3_xHC_EventRing_Segment_addr[31:4]}; // Lo address (set Dequeue pointer = Segment address)
//usb3_read_data[3] = 0; // Event Handler Busy
//usb3_read_data[2:0] = 0; // Dequeue ERST Segment Index
usb3_read_data = ((usb3_xHC_EventRing_Segment_addr & 0xFFFFFFF0) | 0x0);
writel( usb3_read_data,(USB3p0_CFG_BASE_ADDR+usb3_Runtime_Base_addr+0x038));
dbg_usb("USB3CONTROLLER ERDP REG @ A:%x,WrD:%x\n",(USB3p0_CFG_BASE_ADDR+usb3_Runtime_Base_addr+0x038), usb3_read_data);
//Program Event Ring Segment table base address(ERSTBA)
//usb3_read_data[63:4] = {32'h0, usb3_xHC_EventRing_Segment_table_addr[31:4]}; // Lo address
//usb3_read_data[3:0] = 0; // Reserved
usb3_read_data = ((usb3_xHC_EventRing_Segment_table_addr & 0xFFFFFFF0) | 0x0);
writel( usb3_read_data,(USB3p0_CFG_BASE_ADDR+usb3_Runtime_Base_addr+0x030)); //31:0
dbg_usb("USB3CONTROLLER ERSTBA REG[31:0] @ A:%x,WrD:%x\n",(USB3p0_CFG_BASE_ADDR+usb3_Runtime_Base_addr+0x030), usb3_read_data); //31:0
usb3_read_data = 0x0;
writel( usb3_read_data,(USB3p0_CFG_BASE_ADDR+usb3_Runtime_Base_addr+0x034)); //63:32
dbg_usb("USB3CONTROLLER ERSTBA REG[61:32] @ A:%x,WrD:%x\n",(USB3p0_CFG_BASE_ADDR+usb3_Runtime_Base_addr+0x034), usb3_read_data); //63:32
//Enable xHC interrupt(Interrupter Enable(INTE) bit 2 of USB Command Register(USBCMD) to 1)
//usb3_read_data[31:12] = 0; //Reserved
//usb3_read_data[11] = 0; //Enable U3 MFINDEX Stop
//usb3_read_data[10] = 0; //Enable Wrap Event
//usb3_read_data[9] = 0; //Controller Restore State
//usb3_read_data[8] = 0; //Controller Save States
//usb3_read_data[7] = 0; //Light Host Controller Reset
//usb3_read_data[6:4] = 0; //Reserved
//usb3_read_data[3] = 0; //Host System Error Enable
//usb3_read_data[2] = 1; //Interrupter Enable
//usb3_read_data[1] = 0; //Host Controller Reset
//usb3_read_data[0] = 0; //Run/Stop
usb3_read_data = 0x00000004;
writel( usb3_read_data,(USB3p0_CFG_BASE_ADDR+usb3_caplength));
dbg_usb("USB3CONTROLLER USBCMD REG @ A:%x,WrD:%x\n",(USB3p0_CFG_BASE_ADDR+usb3_caplength), usb3_read_data);
//Enable Interrupter0(Interrupt Enable(IE) bit 1 of Interrupter Management Register(IMAN) to 1)
//usb3_read_data1[31:2] = 0; //Reserved
//usb3_read_data1[1] = 1; //Interrupt Enable
//usb3_read_data1[0] = 0; //Interrupt Pending
usb3_read_data1 = 0x00000002;
writel( usb3_read_data1,(USB3p0_CFG_BASE_ADDR+usb3_Runtime_Base_addr+0x020));
dbg_usb("USB3CONTROLLER IMAN REG A:%x,WrD:%x\n",(USB3p0_CFG_BASE_ADDR+usb3_Runtime_Base_addr+0x020), usb3_read_data1);
//Set interrupt moderation interval
//usb3_read_data1[15:0] = 500; //Moderation interval
//usb3_read_data1[31:16] = 500; //Moderation Counter
usb3_read_data1 = 0x01F401F4;
writel( usb3_read_data1,(USB3p0_CFG_BASE_ADDR+usb3_Runtime_Base_addr+0x024));
dbg_usb("USB3CONTROLLER INTERRUPT MODERATION INTERVAL REG @ A:%x,WrD:%x\n",(USB3p0_CFG_BASE_ADDR+usb3_Runtime_Base_addr+0x024), usb3_read_data1);
} //usb3_xHC_interrupter_regs_init
//****************************************************************************************//
//Enabling the RUN bit on xHC-USBCMD register to excecute outstanding commands
void usb3_xHC_enable_run_mode(void)
{
dbg_usb("*** Enabling Run bit of USB3 xHC Controller ****\n");
//Programming the USBCMD register
//usb3_read_data[31:12] = 0; //Reserved
//usb3_read_data[11] = 0; //Enable U3 MFINDEX Stop
//usb3_read_data[10] = 0; //Enable Wrap Event
//usb3_read_data[9] = 0; //Controller Restore State
//usb3_read_data[8] = 0; //Controller Save States
//usb3_read_data[7] = 0; //Light Host Controller Reset
//usb3_read_data[6:4] = 0; //Reserved
//usb3_read_data[3] = 0; //Host System Error Enable
//usb3_read_data[2] = 1; //Interrupter Enable
//usb3_read_data[1] = 0; //Host Controller Reset
//usb3_read_data[0] = 0; //Run/Stop
usb3_read_data = 0x00000004;
//Setting the Run/Stop(R/S) bit 0 of USB Command Register(USBCMD) to 1
//usb3_read_data[0] = 1; //Run/Stop
usb3_read_data = (usb3_read_data | 0x1);
writel( usb3_read_data,(USB3p0_CFG_BASE_ADDR +usb3_caplength));
dbg_usb("USB3CONTROLLER USBCMD REG @ A:%x,WrD:%x\n",(USB3p0_CFG_BASE_ADDR +usb3_caplength), usb3_read_data);
dbg_usb("USB3:Run/Stop bit is set \n");
usb3_read_data = readl((USB3p0_CFG_BASE_ADDR+usb3_caplength+0x04));
dbg_usb("USB3CONTROLLER USBSTS REG @ A:%x,RdD:%x\n",(USB3p0_CFG_BASE_ADDR+usb3_caplength+0x04),usb3_read_data);
dbg_usb("USB3:HCH bit = %x \n", usb3_read_data);
} //usb3_xHC_enable_run_mode
//****************************************************************************************//
void usb3_wait_untill_phy_vbus_is_high(void)
{
u32 temp_rd_data=0;
dbg_usb("*** Waiting for VBUS high from usb3 phy ****\n");
//Reading USB3 PHY status register #0x904A_0030
temp_rd_data= readl(0x904a0030);
dbg_usb("USB3PHY STATUS REG @ A:%x,RdD:%x\n",0x904a0030,temp_rd_data);
//Check for VBUS valid indicator at bit[6].
//Loop untill VBUS goes high on Phy
// while((temp_rd_data & 0x40) != 0x40) Rohit
nop (10000);
//Check for OTG Device Session Valid Indicator (Low Voltage)-bit[4]
//Loop untill otgsessvld0 goes high on Phy
while((temp_rd_data & 0x00) != 0x00)
{
temp_rd_data= readl(0x904a0030);
dbg_usb("USB3PHY STATUS REG @ A:%x,RdD:%x\n",0x904a0030,temp_rd_data);
}
dbg_usb("USB3: VBUS is High on USB3 PHY\n");
//Reading the USB3 Controller status register #904A_001C
//Bit[3] represents VBUS states on superspeed port.
//Bit[2] represents VBUS states on usb2 port.
temp_rd_data=readl(0x904a001c);
dbg_usb("USB3CONTROLLER STATUS REG @ A:%x,RdD:%x\n",0x904a001c,temp_rd_data);
//Checking the usb3 controller hub_vbus_ctrl[1:0] status...
if((temp_rd_data & 0x8) == 0x8)
{
dbg_usb("USB3:VBUS is ON on SS port\n");
}
else
{
dbg_usb("USB3:VBUS is OFF on SS port\n");
}
//while ((temp_rd_data & 0x4) != 0x4)
//{
// dbg_usb("USB3:VBUS is OFF on USB2.0 port\n");
// temp_rd_data=readl(0x904a001c);
// dbg_usb("USB3CONTROLLER STATUS REG @ A:%x,RdD:%x\n",0x904a001c,temp_rd_data);
//}
//dbg_usb("USB3:VBUS is ON on USB2.0 port\n");
//
if((temp_rd_data & 0x4) != 0x4)
dbg_usb("USB3:VBUS is OFF on USB2.0 port\n");
else
dbg_usb("USB3:VBUS is ON on USB2.0 port\n");
} //usb3_wait_untill_phy_vbus_is_high
//****************************************************************************************//
//Polling the GPIO register
int usb3_wait_for_interrupt(void)
{
//-----------------------------------------
pmu_intr_status=readl(0x9047015C);
dbg_usb("GPIO REG @ A:%x,RdD:%x\n",0x9047015C,pmu_intr_status);
dbg_usb("GPIO:Waiting for usb3p0 interrupt...\n");
while((pmu_intr_status & 0x00100000) != 0x00100000)
{
pmu_intr_status=readl(0x9047015C);
if (ctrlc())
return -1;
}
//-----------------------------------------
//a9_irq_bus_31_0_bits_status=readl(A9_IRQ_31_0_BITS_STATUS_ADDR_AT_IRAM);
//dbg_usb("Waiting for usb3p0 interrupt...\n");
//while((a9_irq_bus_31_0_bits_status & 0x400000) != 0x400000)
//{
// a9_irq_bus_31_0_bits_status=readl(A9_IRQ_31_0_BITS_STATUS_ADDR_AT_IRAM);
//}
////dbg_usb("A:%x,RdD:%x\n",A9_IRQ_31_0_BITS_STATUS_ADDR_AT_IRAM,a9_irq_bus_31_0_bits_status);
dbg_usb("USB3 INTERRUPT DETECTED.\n");
return 0;
} //usb3_wait_for_interrupt
//****************************************************************************************//
void gpio_interrupt_status_register_clear(void)
{
dbg_usb("*** Clearing the GPIO raw interrupt status register ****\n");
pmu_intr_status=readl(0x9047015C);
dbg_usb("GPIO REG @ A:%x,RdD:%x\n",0x9047015C,pmu_intr_status);
writel(pmu_intr_status,0x90470160);
dbg_usb("GPIO REG @ A:%x,WrD:%x\n",0x90470160,pmu_intr_status);
pmu_intr_status=readl(0x9047015C);
dbg_usb("GPIO REG @ A:%x,RdD:%x\n",0x9047015C,pmu_intr_status);
dbg_usb("GPIO:RAW INTERRUPT STATUS REGISTER CLEARED\n");
} //gpio_interrupt_status_register_clear
//****************************************************************************************//
//Clear the xHC event interrupts
void usb3_xHC_clear_event_interupt(void)
{
dbg_usb("*** Clearing the event interrupt generated by USB3 xHC Controller ****\n");
//Clear Event Interrupt in USBSTS & Halt the execution
//usb3_read_data = 0;
//usb3_read_data[3] = 1; //Run/Stop
usb3_read_data = 0x8;
writel( usb3_read_data,(USB3p0_CFG_BASE_ADDR+usb3_caplength+0x04));
dbg_usb("USB3 CONTROLLER USBSTS REG @ A:%x,WrD:%x\n",(USB3p0_CFG_BASE_ADDR+usb3_caplength+0x04), usb3_read_data);
//Clear the Interrupt Pending in Interrupter Managment Register(IMAN)
//usb3_read_data = 0;
//usb3_read_data[1:0] = 2'b11;
usb3_read_data = 0x3;
writel( usb3_read_data,(USB3p0_CFG_BASE_ADDR+usb3_Runtime_Base_addr+0x020));
dbg_usb("USB3 CONTROLLER IMAN REG @ A:%x,WrD:%x\n",(USB3p0_CFG_BASE_ADDR+usb3_Runtime_Base_addr+0x020), usb3_read_data);
// Update Event Ring Dequeue Pointer
usb3_hst_event_count = usb3_hst_event_count + 0x10;
nop(20);//Delay
usb3_read_data = (usb3_xHC_EventRing_Segment_addr + usb3_hst_event_count);
//usb3_read_data[3:0] = 4'b1000;
usb3_read_data = ((usb3_read_data & 0xFFFFFFF0) | 0x8);
writel( usb3_read_data,(USB3p0_CFG_BASE_ADDR+usb3_Runtime_Base_addr+0x038));
dbg_usb("USB3 CONTROLLER ERDP REG[31:0] @ A:%x,WrD:%x\n",(USB3p0_CFG_BASE_ADDR+usb3_Runtime_Base_addr+0x038), usb3_read_data);
usb3_read_data = 0x0;
writel( usb3_read_data,(USB3p0_CFG_BASE_ADDR+usb3_Runtime_Base_addr+0x03c));
dbg_usb("USB3 CONTROLLER ERDP REG[61:31] @ A:%x,WrD:%x\n",(USB3p0_CFG_BASE_ADDR+usb3_Runtime_Base_addr+0x03c), usb3_read_data);
} //usb3_xHC_clear_event_interupt
//****************************************************************************************//
//Programming the PortStatus & Controller Register bit
void usb3_xHC_portsc_reg_init(void)
{
dbg_usb("*** Programming the Port Power ON for both SS & 20 port ****\n");
//Port Power will be ON for both SS and 20 by default beging Rel 1.20a
//multiport: Remove Port Power on unactive ports so interrupt only generated for active port
//usb3_read_data = 0;
//usb3_read_data[9] = 1'b0;
usb3_read_data = 0;
usb3_ss_port_addr = (0x400 + (DWC_USB3_HOST_NUM_U2_ROOT_PORTS * 0x10));
for(usb3_i=1; usb3_i<DWC_USB3_HOST_NUM_U3_ROOT_PORTS; usb3_i=usb3_i+1)
{
writel( usb3_read_data,(USB3p0_CFG_BASE_ADDR+usb3_caplength+usb3_ss_port_addr+(usb3_i*0x10)));
dbg_usb("USB3CONTROLLER PORTSC REG @ A:%x,WrD:%x\n",(USB3p0_CFG_BASE_ADDR+usb3_caplength+usb3_ss_port_addr+(usb3_i*0x10)), usb3_read_data);
}
} //usb3_xHC_portsc_reg_init
//****************************************************************************************//
//Initializing the Port reset sequence on USB3 (HS/FS) port and SS ports.
//HS/FS port is always 1
//1st SS port # = USB2.0 number of port +1
//Ex: PORTSC 32'h400 = Port1, 32'h410 = Port2, etc..
void usb3_xHC_apply_portreset_sequence(void)
{
//dbg_usb("HS:PORT RST\n");
dbg_usb("*** USB3:Configuring the Host Port & resetting it for speed negotiation ****\n");
//Note that software shall write a 1 to bit[4] of PORTSC register to transition a
//USB2 port from the Polling state to the Enabled state
usb3_read_data = 0x0;
usb3_hs_port_addr = 0x3F0+(usb3_hs_port_number*0x10);
usb3_read_data = readl(USB3p0_CFG_BASE_ADDR + usb3_caplength + usb3_hs_port_addr);
dbg_usb("USB3CONTROLLER PORTSC REG @ A:%x,RdD:%x\n",(USB3p0_CFG_BASE_ADDR + usb3_caplength + usb3_hs_port_addr),usb3_read_data);
usb3_read_data = (usb3_read_data | 0x00000010); // Current PORSTC before setting USB Reset
writel( usb3_read_data,(USB3p0_CFG_BASE_ADDR + usb3_caplength + usb3_hs_port_addr));
//dbg_usb("A:%x,WrD:%x\n",(USB3p0_CFG_BASE_ADDR + usb3_caplength + usb3_hs_port_addr),usb3_read_data);
usb3_read_data = readl(USB3p0_CFG_BASE_ADDR + usb3_caplength + usb3_hs_port_addr);
//dbg_usb("A:%x,RdD:%x\n",(USB3p0_CFG_BASE_ADDR + usb3_caplength + usb3_hs_port_addr),usb3_read_data);
while ((usb3_read_data & 0x10) != 0x10)
{
dbg_usb("USB3:HS Port is not in reset\n");
usb3_read_data = (usb3_read_data | 0x00000010); // Current PORSTC before setting USB Reset
writel( usb3_read_data,(USB3p0_CFG_BASE_ADDR + usb3_caplength + usb3_hs_port_addr));
//dbg_usb("A:%x,WrD:%x\n",(USB3p0_CFG_BASE_ADDR + usb3_caplength + usb3_hs_port_addr),usb3_read_data);
usb3_read_data = readl(USB3p0_CFG_BASE_ADDR + usb3_caplength + usb3_hs_port_addr);
//dbg_usb("A:%x,RdD:%x\n",(USB3p0_CFG_BASE_ADDR + usb3_caplength + usb3_hs_port_addr),usb3_read_data);
}
dbg_usb("USB3CONTROLLER PORTSC REG @ A:%x,RdD:%x\n",(USB3p0_CFG_BASE_ADDR + usb3_caplength + usb3_hs_port_addr),usb3_read_data);
dbg_usb("^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n");
dbg_usb("*** The USB3 HOST CONTROLLER HS(HIGH SPEED) PORT IS IN RESET ****\n");
dbg_usb("^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n");
} //usb3_xHC_apply_portreset_sequence
//****************************************************************************************//
void usb3_wait_till_host_port_enabled(void)
{
usb3_read_data = readl(USB3p0_CFG_BASE_ADDR + usb3_caplength + usb3_hs_port_addr);
dbg_usb("USB3:PORTSC RdD=%x\n",usb3_read_data);
while ((usb3_read_data & 0x2) != 0x2)
{
dbg_usb("USB3: Host Port not enabled\n");
usb3_read_data = readl(USB3p0_CFG_BASE_ADDR + usb3_caplength + usb3_hs_port_addr);
dbg_usb("USB3:PORTSC RdD=%x\n",usb3_read_data);
}
dbg_usb("USB3: Host Port is Now Enabled\n");
}//usb3_wait_till_host_port_enabled
//****************************************************************************************//
void usb3_host_get_ss_port_status(void)
{
usb3_read_data = readl(0x9f000430);
dbg_usb("USB3 HOST PORTSC REG @ A:%x,RdD:%x\n",0x9f000430,usb3_read_data);
}
//****************************************************************************************//
//Acknowledge the port status change interrupt
int usb3_xHC_ack_port_status_change_interrupt(void)
{
int temp_i=0;
int temp_j=0;
int temp_k=0;
int err_count=0;
//Read the Interrpter Register Set 0 for Event Ring Dequeue Pointer(ERDP)
//usb3_read_data = readl((USB3p0_CFG_BASE_ADDR+usb3_Runtime_Base_addr+0x20)+0x24);
//usb3_ERDP = usb3_read_data[31:4];
//Read Port Status Change Event TRB for Port ID
dbg_usb("*** Reading the usb3 controller host Port Status Change Event TRB ****\n");
usb3_read_data = readl((usb3_xHC_EventRing_Segment_addr+usb3_hst_event_count));
dbg_usb("A:%x,RdD:%x\n",(usb3_xHC_EventRing_Segment_addr+usb3_hst_event_count),usb3_read_data);
usb3_PortID = ((usb3_read_data & 0xFF000000) >> 24);//usb3_read_data[31:24];
dbg_usb("Port ID = %x \n", usb3_PortID);
//Check TRB type, completion code and cycle bit status
usb3_read_data = readl((usb3_xHC_EventRing_Segment_addr+usb3_hst_event_count+0x8));
dbg_usb("A:%x,RdD:%x\n",(usb3_xHC_EventRing_Segment_addr+usb3_hst_event_count+0x8),usb3_read_data);
while ((temp_i ==0) || (temp_j ==0) || (temp_k ==0))
{
if(ctrlc())
return -1;
if((usb3_read_data & 0xFF000000) != 0x01000000)
{
dbg_usb("FAILED : Completion status is not Success\n");
err_count++;
}
else if(((usb3_read_data & 0xFF000000) == 0x01000000) && (temp_i==0))
{
dbg_usb("Completion status is Success\n");
temp_i++;
}
usb3_read_data = readl((usb3_xHC_EventRing_Segment_addr+usb3_hst_event_count+0xc));
dbg_usb("A:%x,RdD:%x\n",(usb3_xHC_EventRing_Segment_addr+usb3_hst_event_count+0xc),usb3_read_data);
if ((usb3_read_data & 0x01) != 0x01)
{
dbg_usb("FAILED : Cycle bit (C) is not set to 1\n");
err_count++;
}
else if (((usb3_read_data & 0x01) == 0x01) && (temp_j ==0))
{
dbg_usb("Cycle bit (C) is set to 1\n");
temp_j++;
}
if ((usb3_read_data & 0xFC00) != 0x8800)
{
dbg_usb("FAILED : TRB type is not a Port Status Change Event\n");
err_count++;
}
else if (((usb3_read_data & 0xFC00) == 0x8800) && (temp_k==0))
{
dbg_usb("TRB type is a Port Status Change Event\n");
temp_k++;
}
}//while
if(err_count ==0)
{
dbg_usb("*********************************************\n");
dbg_usb("*** COMMAND COMPLETION IS SUCESS ****\n");
dbg_usb("*********************************************\n");
device_connected_on_ss_port=1;
return 0;
}
else
{
printf("*********************************************\n");
printf("*** COMMAND COMPLETION IS FAILED ****\n");
printf("*********************************************\n");
device_connected_on_ss_port=0;
return -1;
}
} //usb3_xHC_ack_port_status_change_interrupt
//****************************************************************************************//
//Check xHC in Enabled State from Port Status and Control Register(PORTSC)
void usb3_xHC_state_check(void)
{
dbg_usb("*** Reading the usb3 controller host PORTSC regsiter ****\n");
usb3_read_data = readl((USB3p0_CFG_BASE_ADDR+usb3_caplength+0x400+(0x10*(usb3_PortID-1))));
dbg_usb("A:%x,RdD:%x\n",(USB3p0_CFG_BASE_ADDR+usb3_caplength+0x400+(0x10*(usb3_PortID-1))),usb3_read_data);
if ((usb3_read_data & 0x2) != 0x2)
{
dbg_usb("^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n");
dbg_usb("*** THE USB3 HOST CONTROLLER IS IN 'DISABLED' STATE ****\n");
dbg_usb("^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n");
}
else
{
dbg_usb("^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n");
dbg_usb("*** THE USB3 HOST CONTROLLER IS IN 'ENABLED' STATE ****\n");
dbg_usb("^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n");
}
//usb3_PortSpeed = usb3_read_data[13:10];
usb3_PortSpeed = ((usb3_read_data & 0x3C00) >> 10);
dbg_usb("USB3:Port Speed = %d\n", usb3_PortSpeed);
} //usb3_xHC_state_check
//****************************************************************************************//
// Enable Device Slot
void usb3_xHC_enable_device_slot(void)
{
//Issue Enable Slot Command
dbg_usb("*** Issuing the Enable Slot Command from usb3 controller host ****\n");
usb3_read_data = 0x0; //[31:0]
// Lower 12 bytes are Reserved
writel( 0x0,(usb3_xHC_CommandRing_Segment_addr+0x0));
dbg_usb("A:%x,WrD:%x\n",usb3_xHC_CommandRing_Segment_addr, 0x0);
writel( 0x0,(usb3_xHC_CommandRing_Segment_addr+0x4));
dbg_usb("A:%x,WrD:%x\n",usb3_xHC_CommandRing_Segment_addr, 0x0);
//usb3_read_data[31:0] = 0; // Reserved
usb3_read_data = 0x0;
writel( usb3_read_data,(usb3_xHC_CommandRing_Segment_addr+0x8));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_CommandRing_Segment_addr+0x8), usb3_read_data);
//usb3_read_data[63:48] = 0; // Reserved
//usb3_read_data[47:42] = 9; // TRB Type - Enable Slot Command
//usb3_read_data[41:33] = 0; // Reserved
//usb3_read_data[32] = 1; // Cycle bit(C)
usb3_read_data = 0x00002401;
writel( usb3_read_data,(usb3_xHC_CommandRing_Segment_addr+0xc));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_CommandRing_Segment_addr+0xc), usb3_read_data);
usb3_read_data = readl((usb3_xHC_CommandRing_Segment_addr+0x0));
dbg_usb("A:%x,RdD:%x\n",usb3_xHC_CommandRing_Segment_addr,usb3_read_data);
usb3_read_data = readl((usb3_xHC_CommandRing_Segment_addr+0x4));
dbg_usb("A:%x,RdD:%x\n",(usb3_xHC_CommandRing_Segment_addr+0x4),usb3_read_data);
usb3_read_data1 = readl((usb3_xHC_CommandRing_Segment_addr+0x8));
dbg_usb("A:%x,RdD:%x\n",(usb3_xHC_CommandRing_Segment_addr+0x8),usb3_read_data1);
usb3_read_data1 = readl((usb3_xHC_CommandRing_Segment_addr+0xc));
dbg_usb("A:%x,RdD:%x\n",(usb3_xHC_CommandRing_Segment_addr+0xc),usb3_read_data1);
} //usb3_xHC_enable_device_slot
//****************************************************************************************//
//Ring xHC Doorbell with "Host Controller Command"
void usb3_xHC_ring_doorbell_with_host_control_cmd(void)
{
dbg_usb("*** Ringing the usb3 host Doorbell Register with host_control command ****\n");
//Read Doorbell Array Base Address from Doorbell Offset Register(DBOFF)
usb3_read_data = readl((USB3p0_CFG_BASE_ADDR+0x14));
dbg_usb("USB3CONTROLLER DBOFF REG @ A:%x,RdD:%x\n",(USB3p0_CFG_BASE_ADDR+0x14),usb3_read_data);
usb3_Doorbell_Array_Base_addr = usb3_read_data;
dbg_usb("usb3_Doorbell_Array_Base_addr = %x \n", usb3_Doorbell_Array_Base_addr);
//Program Doorbell Register
//usb3_read_data[31:16] = 0; // DB Stream ID
//usb3_read_data[15:8] = 0; // Reserved
//usb3_read_data[7:0] = 0; // DB Target - Host Controller Command
usb3_read_data = 0x0;
//writel( usb3_read_data,usb3_Doorbell_Array_Base_addr);
//dbg_usb("A:%x,WrD:%x\n",usb3_Doorbell_Array_Base_addr, usb3_read_data);
writel( usb3_read_data,(USB3p0_CFG_BASE_ADDR+usb3_Doorbell_Array_Base_addr));
// dbg_usb("A:%x,WrD:%x\n",(USB3p0_CFG_BASE_ADDR+usb3_Doorbell_Array_Base_addr), usb3_read_data);
}//usb3_xHC_ring_doorbell_with_host_control_cmd
//****************************************************************************************//
//Check for Device Slot availability
void usb3_xHC_check_for_device_slot(void)
{
int err_count=0;
dbg_usb("*** Checking the device slot availability from usb3 controller host ****\n");
//Read Command Completion Event TRB for Slot ID
usb3_read_data = readl((usb3_xHC_EventRing_Segment_addr+usb3_hst_event_count+0x8));
dbg_usb("Read Command Completion Event TRB for Slot ID\n");
dbg_usb("A:%x,RdD:%x\n",(usb3_xHC_EventRing_Segment_addr+usb3_hst_event_count+0x8),usb3_read_data);
//if(usb3_read_data[31:24] !== 1) {
if((usb3_read_data & 0xFF000000) != 0x01000000)
{
dbg_usb("^^^^^^^^^^^^^^^^^^^^^^^^^^^\n");
dbg_usb(" FAIL: NO DEVICE Slots Available\n");
dbg_usb("^^^^^^^^^^^^^^^^^^^^^^^^^^^\n");
err_count++;
}
else
{
dbg_usb("^^^^^^^^^^^^^^^^^^^^^^^^^^^\n");
dbg_usb(" DEVICE Slots Available\n");
dbg_usb("^^^^^^^^^^^^^^^^^^^^^^^^^^^\n");
}
usb3_read_data = readl((usb3_xHC_EventRing_Segment_addr+usb3_hst_event_count+0xC));
dbg_usb("A:%x,RdD:%x\n",(usb3_xHC_EventRing_Segment_addr+usb3_hst_event_count+0xC),usb3_read_data);
usb3_SlotID = ((usb3_read_data & 0xFF000000) >>24);// usb3_read_data[31:24];
dbg_usb("Slot ID = %d \n", usb3_SlotID);
//Check TRB type, completion code and cycle bit status
if((usb3_read_data & 0x1) != 0x1)
{
dbg_usb("FAIL:Cycle bit (C) is not set to 1\n");
err_count++;
}
else
{
dbg_usb("Cycle bit (C) is set to 1\n");
}
//if(usb3_read_data[15:10] !== 33) {
if((usb3_read_data & 0xFC00) != 0x8400)
{
dbg_usb("FAIL:TRB type is not a Command Completion Event\n");
err_count++;
}
else
{
dbg_usb("TRB type is a Command Completion Event\n");
}
if(err_count ==0)
{
dbg_usb("*********************************************\n");
dbg_usb("*** COMMAND COMPLETION IS SUCESS ****\n");
dbg_usb("*********************************************\n");
device_slots_cmd_pass=1;
}
else
{
dbg_usb("*********************************************\n");
dbg_usb("*** COMMAND COMPLETION IS FAILED ****\n");
dbg_usb("*********************************************\n");
device_slots_cmd_pass=0;
}
} //usb3_xHC_check_for_device_slot
//****************************************************************************************//
// Issues an Address Device Command
void usb3_xHC_issue_addr_device_cmd(void)
{
dbg_usb("*** Issuing the 'set_address command' from usb3 controller host ****\n");
//Initializes the Input Control Context with A0 and A1 to 1
dbg_usb("USB3:Initializes the Input Context Data Structure\n");
//usb3_read_data[63:32] = 3; // Add Context Flags
//usb3_read_data[31:0] = 0; // Drop Context Flags
usb3_read_data = 0x0;
writel( usb3_read_data,(usb3_xHC_Input_Context_addr+0x0));
dbg_usb("A:%x,WrD:%x\n",usb3_xHC_Input_Context_addr, usb3_read_data);
usb3_read_data = 0x3;
writel( usb3_read_data,(usb3_xHC_Input_Context_addr+0x4));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0x4), usb3_read_data);
//usb3_read_data1[63:0] = 0; // Reserved
usb3_read_data1 =0x0;
writel(usb3_read_data1, (usb3_xHC_Input_Context_addr+0x8));//[31:0]
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0x8), usb3_read_data1);//[31:0]);
usb3_read_data1 = 0x0;
writel(usb3_read_data1 ,(usb3_xHC_Input_Context_addr+0xc));//[63:32]
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0xc), usb3_read_data1);//[63:32]);
//usb3_read_data2[63:0] = 0; // Reserved
usb3_read_data2 = 0x0;
writel(usb3_read_data2, (usb3_xHC_Input_Context_addr+0x10));//[31:0]
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0x10), usb3_read_data2);//[31:0]);
usb3_read_data2 = 0x0;
writel(usb3_read_data2, (usb3_xHC_Input_Context_addr+0x14));//[63:32]
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0x14), usb3_read_data2);//[63:32]);
//usb3_read_data3[63:0] = 0; // Reserved
usb3_read_data3 = 0x0;
writel(usb3_read_data3, (usb3_xHC_Input_Context_addr+0x18));//[31:0]
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0x18), usb3_read_data3);//[31:0]);
usb3_read_data3 = 0x0;
writel(usb3_read_data3, (usb3_xHC_Input_Context_addr+0x1c));//[63:32]
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0x1c), usb3_read_data3);//[63:32]);
//Initializes Input Slot Context
//usb3_read_data[31:27] = 1; // Context Entries
//usb3_read_data[26] = 0; // Hub
//usb3_read_data[25] = 0; // Multi-TT
//usb3_read_data[24] = 0; // Reserved
//usb3_read_data[23:20] = usb3_PortSpeed; // Speed
//usb3_read_data[23:20] = 3; // Speed
//usb3_read_data[19:0] = 0; // Route String
usb3_read_data = 0x08400000;
//usb3_read_data1[31:24] = 0; // Reserved
//SS port = USB 2.0 number of port + 1
//usb3_read_data1[23:16] = usb3_ss_port_number; // Root Hub Port Number
//usb3_read_data1[15:0] = 0; // Max Exit Latency
usb3_read_data1 = ((usb3_ss_port_number <<16) & 0x00FF0000);
//usb3_read_data2[31:22] = 0; // Interrupter Targer
//usb3_read_data2[21:16] = 0; // Reserved
//usb3_read_data2[15:8] = 0; // TT Port Number
//usb3_read_data2[7:0] = 0; // TT Hub Slot ID
usb3_read_data2 = 0x0;
//usb3_read_data3[31:27] = 0; // Slot State
//usb3_read_data3[26:8] = 0; // Reserved
//usb3_read_data3[7:0] = 0; // USB Device Address
usb3_read_data3 = 0x0;
// The remaining upper 16 bytes are Reserved
writel( usb3_read_data,(usb3_xHC_Input_Context_addr+0x40));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0x40), usb3_read_data);
writel( usb3_read_data1,(usb3_xHC_Input_Context_addr+0x44));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0x44), usb3_read_data1);
writel( usb3_read_data2,(usb3_xHC_Input_Context_addr+0x48));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0x48), usb3_read_data2);
writel( usb3_read_data3,(usb3_xHC_Input_Context_addr+0x4C));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0x4C), usb3_read_data3);
//Initializes Input default Control Endpoint 0 Context
//usb3_read_data[31:24] = 0; // Reserved
//usb3_read_data[23:16] = 0; // Interval
//usb3_read_data[15] = 0; // Linear Stream Array
//usb3_read_data[14:10] = 0; // Max Primary Streams
//usb3_read_data[9:8] = 0; // Mult
//usb3_read_data[7:3] = 0; // Reserved
//usb3_read_data[2:0] = 0; // Endpoint State
usb3_read_data = 0x0;
//usb3_read_data1[31:16] = 512; // Maximum Packet Size
//usb3_read_data1[15:8] = 0; // Maximum Burst Size
//usb3_read_data1[7] = 0; // Host Initiate Disable
//usb3_read_data1[6] = 0; // Reserved
//usb3_read_data1[5:3] = 4; // Endpoint Type
//usb3_read_data1[2:1] = 3; // Error Count
//usb3_read_data1[0] = 0; // Force Event
usb3_read_data1 = 0x02000026;
//usb3_read_data2[63:32] = 0; // TR Dequeue Pointer Address Hi
//usb3_read_data2[31:4] = usb3_xHC_TransferRing_Segment_addr[31:4]; // TR Dequeue Pointer Address Lo
//usb3_read_data2[3:1] = 0; // Reserved
//usb3_read_data2[0] = 1; // Dequeue Cycle State
usb3_read_data2 = ((usb3_xHC_TransferRing_Segment_addr & 0xFFFFFFF0) | 0x1);
//usb3_read_data3[31:16] = 0; // Max Endpoint Service Time Interval Payload
//usb3_read_data3[15:0] = 512; // Average TRB Length
usb3_read_data3 = 0x00000200;
// The remaining upper 16 bytes are Reserved
writel(usb3_read_data,(usb3_xHC_Input_Context_addr+0x80));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0x80), usb3_read_data);
writel( usb3_read_data1,(usb3_xHC_Input_Context_addr+0x84));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0x84), usb3_read_data1);
writel(usb3_read_data2,(usb3_xHC_Input_Context_addr+0x88));//[31:0]
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0x88), usb3_read_data2);//[31:0]);
usb3_read_data2 =0x0;
writel(usb3_read_data2, (usb3_xHC_Input_Context_addr+0x8C));//[63:32]
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0x8C), usb3_read_data2);//[63:32]);
writel( usb3_read_data3,(usb3_xHC_Input_Context_addr+0x90));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0x90), usb3_read_data3);
writel( 0x0,(usb3_xHC_Input_Context_addr+0x94));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0x94), 0x0);
writel( 0x0,(usb3_xHC_Input_Context_addr+0x98));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0x98), 0x0);
writel( 0x0,(usb3_xHC_Input_Context_addr+0x9c));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0x9c), 0x0);
//Insert a pointer to DCBAA lookup table for the newly created Slot ID
//usb3_read_data[63:32] = 0; // Hi Address
//usb3_read_data[31:0] = usb3_xHC_Device_Context_addr; // Lo Address
//usb3_read_data= usb3_xHC_Device_Context_addr;
//writel( usb3_read_data,(usb3_xHC_DCBAR_addr+8)); // Slot ID 0 is for xHCI scratchpad
//dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_DCBAR_addr+8), usb3_read_data); // Slot ID 0 is for xHCI scratchpad
//Issue Address Device Command
dbg_usb("Issuing Address Device Command\n");
//usb3_read_data[63:32] =0; // Hi Address
//usb3_read_data[31:4] = usb3_xHC_Input_Context_addr[31:4]; // Lo Address
//usb3_read_data[3:0] = 0; //Reserved
usb3_read_data = ((usb3_xHC_Input_Context_addr & 0xFFFFFFF0) | 0x0);
//usb3_read_data1[31:24] = usb3_SlotID; // Reserved
//usb3_read_data1[23:16] = 0; // Reserved
//usb3_read_data1[15:10] = 11; // TRB Type - Enable Slot Command
//usb3_read_data1[9] = 0; // Block Set Address Request
//usb3_read_data1[8:1] = 0; // Reserved
//usb3_read_data1[0] = 1; // Cycle bit(C)
usb3_read_data1 = (((usb3_SlotID << 24) & 0xFF000000) | 0x00002C01);
// 0B-08 is Reserved
writel(usb3_read_data,(usb3_xHC_CommandRing_Segment_addr+0x10));//[31:0]
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_CommandRing_Segment_addr+0x10), usb3_read_data);//[31:0]);
usb3_read_data = 0;
writel(usb3_read_data, (usb3_xHC_CommandRing_Segment_addr+0x14));//[63:32]
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_CommandRing_Segment_addr+0x14), usb3_read_data);//[63:32]);
writel(usb3_read_data1,(usb3_xHC_CommandRing_Segment_addr+0x1C));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_CommandRing_Segment_addr+0x1C), usb3_read_data1);
writel( 0x0,(usb3_xHC_CommandRing_Segment_addr+0x18));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_CommandRing_Segment_addr+0x18), 0x0);
usb3_read_data1 = readl((usb3_xHC_CommandRing_Segment_addr+0x10));
dbg_usb("A:%x,RdD:%x\n",(usb3_xHC_CommandRing_Segment_addr+0x10),usb3_read_data1);
dbg_usb("usb3_xHC_Input_Context_addr Lo = %x \n", usb3_read_data1);
usb3_read_data1 = readl((usb3_xHC_CommandRing_Segment_addr+0x14));
dbg_usb("A:%x,RdD:%x\n",(usb3_xHC_CommandRing_Segment_addr+0x14),usb3_read_data1);
dbg_usb("usb3_xHC_Input_Context_addr Hi = %x \n", usb3_read_data1);
usb3_read_data = readl((usb3_xHC_CommandRing_Segment_addr+0x1C));
dbg_usb("A:%x,RdD:%x\n",(usb3_xHC_CommandRing_Segment_addr+0x1C),usb3_read_data);
}//usb3_xHC_issue_addr_device_cmd
//****************************************************************************************//
//Check for command completion event after issuing host control command
void usb3_xHC_check_cmd_completion_status(void)
{
int err_count=0;
dbg_usb("*** Checking the Command Completion Event TRB generated from usb3 host ****\n");
usb3_read_data = readl((usb3_xHC_EventRing_Segment_addr+usb3_hst_event_count+0x8));
dbg_usb("A:%x,RdD:%x\n",(usb3_xHC_EventRing_Segment_addr+usb3_hst_event_count+0x8),usb3_read_data);
//if(usb3_read_data[31:24] !== 1)
if( (usb3_read_data & 0xFF000000) != 0x01000000)
{
dbg_usb("FAIL:Completion Code = NOT SUCCESS, %d\n", (usb3_read_data >> 24));
err_count++;
}
else
{
dbg_usb("Completion Code = SUCCESS\n");
}
usb3_read_data = readl((usb3_xHC_EventRing_Segment_addr+usb3_hst_event_count+0xc));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_EventRing_Segment_addr+usb3_hst_event_count+0xc),usb3_read_data);
//if (usb3_read_data[31:24] !== usb3_SlotID)
if (((usb3_read_data & 0xFF000000) >> 24) != usb3_SlotID)
{
dbg_usb("FAIL:Slot ID = %d is not equal to the value of command's Slot ID\n", usb3_SlotID);
err_count++;
}
else
{
dbg_usb("Slot ID = %d is equal to the value of command's Slot ID\n", usb3_SlotID);
}
// Check TRB type, completion code and cycle bit status
//if(usb3_read_data[0] !== 1) {
if((usb3_read_data & 0x1) != 0x1)
{
dbg_usb("FAIL:Cycle bit (C) is not set to 1\n");
err_count++;
}
else
{
dbg_usb("Cycle bit (C) is set to 1\n");
}
//if(usb3_read_data[15:10] !== 33) {
if((usb3_read_data & 0x0000FC00) != 0x00008400)
{
dbg_usb("FAIL:TRB type is not a Command Completion Event\n");
err_count++;
}
else
{
dbg_usb("TRB type is a Command Completion Event\n");
}
if(err_count ==0)
{
dbg_usb("*********************************************\n");
dbg_usb("*** COMMAND COMPLETION IS SUCESS ****\n");
dbg_usb("*********************************************\n");
set_addr_cmd_pass=1;
}
else
{
dbg_usb("*********************************************\n");
dbg_usb("*** COMMAND COMPLETION IS FAILED ****\n");
dbg_usb("*********************************************\n");
set_addr_cmd_pass=0;
}
}//usb3_xHC_check_cmd_completion_status
//****************************************************************************************//
//Issues a Configure Endpoint Command
void usb3_xHC_issue_configure_endpoint_cmd(void)
{
dbg_usb("*** Issuing the 'configure end point command' from usb3 controller host ****\n");
//Set the Input Control Context with A2 to 1 for enabling EP Context 1 OUT
dbg_usb("Initializes the Input Context Data Structure\n");
//usb3_read_data[63:32] = 0x4;//(M) 0xc; // Add Context Flags
//usb3_read_data[31:0] = 0; // Drop Context Flags
//usb3_read_data1[63:0] = 0; // Reserved
//usb3_read_data2[63:0] = 0; // Reserved
//usb3_read_data3[63:0] = 0; // Reserved
usb3_read_data1 = 0x0;
usb3_read_data2 = 0x0;
usb3_read_data3 = 0x0;
usb3_read_data = 0x0;
writel(usb3_read_data, (usb3_xHC_Input_Context_addr+0x0));//[31:0]
dbg_usb("A:%x,WrD:%x\n",usb3_xHC_Input_Context_addr, usb3_read_data);//[31:0]);
//(M) usb3_read_data = 0xC;
usb3_read_data = 0x4; //Set the Input Control Context with A2 to 1 for enabling EP Context 1 OUT
writel(usb3_read_data, (usb3_xHC_Input_Context_addr+0x4));//[63:32]
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0x4), usb3_read_data);//[63:32]);
for(usb3_i=0; usb3_i<14; usb3_i=usb3_i+1)
{
writel( 0,(usb3_xHC_Input_Context_addr+0x8+(usb3_i*4)));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0x8+(usb3_i*4)), 0);
}
//Initializes Input Slot Context
//usb3_read_data[31:27] = 2 ;//(M) 3; // Context Entries
//usb3_read_data[26] = 0; // Hub
//usb3_read_data[25] = 0; // Multi-TT
//usb3_read_data[24] = 0; // Reserved
//usb3_read_data[23:20] = usb3_PortSpeed; // Speed
//usb3_read_data[23:20] = 4; // Speed
//usb3_read_data[19:0] = 0; // Route String
//(M)usb3_read_data = 0x18400000;
usb3_read_data = 0x10400000;
//usb3_read_data1[31:24] = 0; // Reserved
//SS port = USB 2.0 number of port +1
//usb3_read_data1[23:16] = usb3_ss_port_number; // Root Hub Port Number
//usb3_read_data1[15:0] = 0; // Max Exit Latency
usb3_read_data1 = ((usb3_ss_port_number<<16) & 0x00FF0000);
//usb3_read_data2[31:22] = 0; // Interrupter Targer
//usb3_read_data2[21:16] = 0; // Reserved
//usb3_read_data2[15:8] = 0; // TT Port Number
//usb3_read_data2[7:0] = 0; // TT Hub Slot ID
usb3_read_data2 = 0x0;
//usb3_read_data3[31:27] = 0; // Slot State
//usb3_read_data3[26:8] = 0; // Reserved
//usb3_read_data3[7:0] = 0; // USB Device Address
usb3_read_data3 = 0x0;
// The remaining upper 16 bytes are Reserved
writel( usb3_read_data,(usb3_xHC_Input_Context_addr+0x40));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0x40), usb3_read_data);
writel( usb3_read_data1,(usb3_xHC_Input_Context_addr+0x44));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0x44), usb3_read_data1);
writel( usb3_read_data2,(usb3_xHC_Input_Context_addr+0x48));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0x48), usb3_read_data2);
writel( usb3_read_data3,(usb3_xHC_Input_Context_addr+0x4C));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0x4C), usb3_read_data3);
for(usb3_i=0; usb3_i<12; usb3_i=usb3_i+1)
{
writel( 0,(usb3_xHC_Input_Context_addr+0x50+(usb3_i*4)));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0x50+(usb3_i*4)), 0);
}
//Initializes Input Bulk OUT Endpoint 1 Context
dbg_usb("USB3:Initializes Input Bulk OUT Endpoint 1 Context\n");
//usb3_read_data[31:24] = 0; // Reserved
//usb3_read_data[23:16] = 0; // Interval
//usb3_read_data[15] = 0; // Linear Stream Array
//usb3_read_data[14:10] = 0; // Max Primary Streams
//usb3_read_data[9:8] = 0; // Mult
//usb3_read_data[7:3] = 0; // Reserved
//usb3_read_data[2:0] = 0; // Endpoint State
usb3_read_data = 0x0;
//usb3_read_data1[31:16] = 1024; // Maximum Packet Size
//usb3_read_data1[15:8] = 0; // Maximum Burst Size
//usb3_read_data1[7] = 0; // Host Initiate Disable
//usb3_read_data1[6] = 0; // Reserved
//usb3_read_data1[5:3] = 2; // Endpoint Type
//usb3_read_data1[2:1] = 3; // Error Count
//usb3_read_data1[0] = 0; // Force Event
usb3_read_data1 = 0x04000016;
//usb3_read_data2[63:32] = 0; // TR Dequeue Pointer Address Hi
//usb3_read_data2[31:4] = usb3_xHC_TransferRing_Segment_addr[31:4]; // TR Dequeue Pointer Address Lo
//usb3_read_data2[3:1] = 0; // Reserved
//usb3_read_data2[0] = 1; // Dequeue Cycle State
usb3_read_data2 = ((usb3_xHC_TransferRing_Segment_addr & 0xFFFFFFF0) | 0x1);
//usb3_read_data3[31:16] = 0; // Max Endpoint Service Time Interval Payload
//usb3_read_data3[15:0] = 1024; // Average TRB Length
usb3_read_data3 = 0x00000400;
// The remaining upper 16 bytes are Reserved
writel(usb3_read_data,(usb3_xHC_Input_Context_addr+0xC0));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0xC0), usb3_read_data);
writel(usb3_read_data1,(usb3_xHC_Input_Context_addr+0xC4));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0xC4), usb3_read_data1);
writel(usb3_read_data2, (usb3_xHC_Input_Context_addr+0xC8));//[31:0]
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0xC8), usb3_read_data2);//[31:0]);
usb3_read_data2=0x0;
writel(usb3_read_data2,(usb3_xHC_Input_Context_addr+0xCC));//63:32]
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0xCC), usb3_read_data2);//63:32]);
writel( usb3_read_data3,(usb3_xHC_Input_Context_addr+0xD0));
for(usb3_i=0; usb3_i<11; usb3_i=usb3_i+1)
{
writel( 0,(usb3_xHC_Input_Context_addr+0xd4+(usb3_i*4)));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0xd4+(usb3_i*4)), 0);
}
//Initializes Input Bulk IN Endpoint 1 Context
/* dbg_usb("USB3:Initializes Input Bulk IN Endpoint 1 Context\n");
//usb3_read_data[31:24] = 0; // Reserved
//usb3_read_data[23:16] = 0; // Interval
//usb3_read_data[15] = 0; // Linear Stream Array
//usb3_read_data[14:10] = 0; // Max Primary Streams
//usb3_read_data[9:8] = 0; // Mult
//usb3_read_data[7:3] = 0; // Reserved
//usb3_read_data[2:0] = 0; // Endpoint State
usb3_read_data = 0;
//usb3_read_data1[31:16] = 1024; // Maximum Packet Size
//usb3_read_data1[15:8] = 0; // Maximum Burst Size
//usb3_read_data1[7] = 0; // Host Initiate Disable
//usb3_read_data1[6] = 0; // Reserved
//usb3_read_data1[5:3] = 6; // Endpoint Type
//usb3_read_data1[2:1] = 3; // Error Count
//usb3_read_data1[0] = 0; // Force Event
usb3_read_data1 = 0x04000036;
//usb3_read_data2[63:32] = 0; // TR Dequeue Pointer Address Hi
//usb3_read_data2[31:4] = usb3_xHC_TransferRing_Segment_addr[31:4]; // TR Dequeue Pointer Address Lo
//usb3_read_data2[3:1] = 0; // Reserved
//usb3_read_data2[0] = 1; // Dequeue Cycle State
usb3_read_data2 = ((usb3_xHC_TransferRing_Segment_addr & 0xFFFFFFF0) | 0x1);
//usb3_read_data3[31:16] = 0; // Max Endpoint Service Time Interval Payload
//usb3_read_data3[15:0] = 1024; // Average TRB Length
usb3_read_data3 = 0x00000400;
// The remaining upper 16 bytes are Reserved
writel( usb3_read_data,(usb3_xHC_Input_Context_addr+0x100));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0x100), usb3_read_data);
writel( usb3_read_data1,(usb3_xHC_Input_Context_addr+0x104));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0x104), usb3_read_data1);
writel( usb3_read_data2);//[31:0],(usb3_xHC_Input_Context_addr+0x108));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0x108), usb3_read_data2);//[31:0]);
usb3_read_data2=0x0;
writel( usb3_read_data2);//[63:32],(usb3_xHC_Input_Context_addr+0x10C));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0x10C), usb3_read_data2);//[63:32]);
writel( usb3_read_data3,(usb3_xHC_Input_Context_addr+0x110));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0x110), usb3_read_data3);
for(usb3_i=0; usb3_i<11; usb3_i=usb3_i+1)
{
writel( 0,(usb3_xHC_Input_Context_addr+0x114+(usb3_i*4)));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_Input_Context_addr+0x114+(usb3_i*4)), 0);
}*/
//Issue Configure Endpoint Command
dbg_usb("USB3:Issue 'Configure Endpoint Command'\n");
//usb3_read_data[63:32] =0; // Hi Address
//usb3_read_data[31:4] = usb3_xHC_Input_Context_addr[31:4]; // Lo Address
usb3_read_data = ((usb3_xHC_Input_Context_addr & 0xFFFFFFF0) | 0x0);
//usb3_read_data1[31:24] = usb3_SlotID; // Reserved
//usb3_read_data1[23:16] = 0; // Reserved
//usb3_read_data1[15:10] = 12; // TRB Type - Enable Slot Command
//usb3_read_data1[9] = 0; // Deconfigure
//usb3_read_data1[8:1] = 0; // Reserved
//usb3_read_data1[0] = 1; // Cycle bit(C)
usb3_read_data1 = (((usb3_SlotID << 24) & 0xFF000000) | 0x00003001);
// 0B-08 is Reserved
writel( usb3_read_data,(usb3_xHC_CommandRing_Segment_addr+0x20));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_CommandRing_Segment_addr+0x20), usb3_read_data);
writel( usb3_read_data1,(usb3_xHC_CommandRing_Segment_addr+0x2C));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_CommandRing_Segment_addr+0x2C), usb3_read_data1);
} //usb3_xHC_issue_configure_endpoint_cmd
//****************************************************************************************//
//Host start the Bulk IN transfer
void usb3_xHC_start_bulk_in_xfer(void)
{
dbg_usb("*** Starting the 'BulkIN transfer' from usb3 host controller ****\n");
// Setup TRB
usb3_read_data = usb3_xHC_Data_BulkIn_Buffer_addr;
//usb3_read_data1 = 0;
//usb3_read_data1[16:0] = usb3_host_num_of_bulkin_bytes_per_trb;
usb3_read_data1 = usb3_host_num_of_bulkin_bytes_per_trb;
//usb3_read_data2 = 0;
//usb3_read_data2[0] = 1; // Cycle
//usb3_read_data2[2] = 1; // ISP
//usb3_read_data2[5] = 1; // IOC
//usb3_read_data2[15:10] = 1; // IOC
usb3_read_data2 = 0x425;
writel(usb3_read_data, (usb3_xHC_TransferRing_Segment_addr+0x00));//[31:0]
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_TransferRing_Segment_addr+0x00), usb3_read_data);//[31:0]);
usb3_read_data = 0x0;
writel(usb3_read_data, (usb3_xHC_TransferRing_Segment_addr+0x04));//[63:32]
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_TransferRing_Segment_addr+0x04), usb3_read_data);//[63:32]);
writel( usb3_read_data1,(usb3_xHC_TransferRing_Segment_addr+0x08));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_TransferRing_Segment_addr+0x08), usb3_read_data1);
writel( usb3_read_data2,(usb3_xHC_TransferRing_Segment_addr+0x0C));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_TransferRing_Segment_addr+0x0C), usb3_read_data2);
//Ring doorbell
dbg_usb("Ring xHC Doorbell For Bulk IN Transfer \n");
//usb3_read_data = 0;
//usb3_read_data[7:0]= 3; // DB Target - Host Controller Command
usb3_read_data = 0x3;
writel( usb3_read_data,(USB3p0_CFG_BASE_ADDR+usb3_Doorbell_Array_Base_addr+0x4));
dbg_usb("A:%x,WrD:%x\n",(USB3p0_CFG_BASE_ADDR+usb3_Doorbell_Array_Base_addr+0x4), usb3_read_data);
} //usb3_xHC_start_bulk_in_xfer;
//****************************************************************************************//
//Host Start BULK OUT tranferusb3_test_func
void usb3_xHC_start_bulk_out_xfer(void)
{
dbg_usb("*** Starting the 'BulkOUT transfer' from usb3 host controller ****\n");
// Setup TRB for Bulk OUTusb3_test_func
usb3_read_data = usb3_xHC_Data_BulkOut_Buffer_addr;
//usb3_read_data1 = 0;
//usb3_read_data1[16:0] = usb3_host_num_of_bulkout_bytes_per_trb;
usb3_read_data1 = usb3_host_num_of_bulkout_bytes_per_trb;
//usb3_read_data2 = 0;
//usb3_read_data2[0] = 1; // Cycle
//usb3_read_data2[2] = 0; //(M) 1;// ISP
//usb3_read_data2[5] = 1; // IOC
//usb3_read_data2[15:10] = 1; // IOC
usb3_read_data2 = 0x425;
//usb3_read_data2 = 0x421;
writel(usb3_read_data, (usb3_xHC_TransferRing_Segment_addr+0x00));//[31:0]
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_TransferRing_Segment_addr+0x00), usb3_read_data);//[31:0]);
usb3_read_data = 0x0;
writel(usb3_read_data, (usb3_xHC_TransferRing_Segment_addr+0x04));//[63:32]
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_TransferRing_Segment_addr+0x04), usb3_read_data);//[63:32]);
writel( usb3_read_data1,(usb3_xHC_TransferRing_Segment_addr+0x08));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_TransferRing_Segment_addr+0x08), usb3_read_data1);
writel( usb3_read_data2,(usb3_xHC_TransferRing_Segment_addr+0x0C));
dbg_usb("A:%x,WrD:%x\n",(usb3_xHC_TransferRing_Segment_addr+0x0C), usb3_read_data2);
//Ring doorbell
dbg_usb(" Ring xHC Doorbell For Bulk OUT Transfer \n");
//usb3_read_data = 0;
//usb3_read_data[7:0] = 2; // DB Target - Host Controller Command
usb3_read_data = 0x2;
writel( usb3_read_data,(USB3p0_CFG_BASE_ADDR+usb3_Doorbell_Array_Base_addr+0x4));
dbg_usb("A:%x,WrD:%x\n",(USB3p0_CFG_BASE_ADDR+usb3_Doorbell_Array_Base_addr+0x4), usb3_read_data);
} //usb3_xHC_start_bulk_out_xfer
//****************************************************************************************//
//Check for bulkout command completion event after issuing host control command
void usb3_xHC_check_bulkout_cmd_completion_status(void)
{
int err_count=0;
dbg_usb("*** Checking the Command Completion Event TRB generated from usb3 host ****\n");
usb3_read_data = readl((usb3_xHC_EventRing_Segment_addr+usb3_hst_event_count+0x8));
dbg_usb("A:%x,RdD:%x\n",(usb3_xHC_EventRing_Segment_addr+usb3_hst_event_count+0x8),usb3_read_data);
//if(usb3_read_data[31:24] !== 1)
if( (usb3_read_data & 0xFF000000) != 0x01000000)
{
dbg_usb("FAIL:Completion Code = NOT SUCCESS, %d\n", (usb3_read_data >> 24));
err_count++;
}
else
{
dbg_usb("Completion Code = SUCCESS\n");
}
if(err_count ==0)
{
dbg_usb("*********************************************\n");
dbg_usb("*** COMMAND COMPLETION IS SUCESS ****\n");
dbg_usb("*********************************************\n");
}
else
{
dbg_usb("*********************************************\n");
dbg_usb("*** COMMAND COMPLETION IS FAILED ****\n");
dbg_usb("*********************************************\n");
}
}//usb3_xHC_check_bulkout_cmd_completion_status
//****************************************************************************************//
void check_data_intigrity_and_conclude_final_result(u32 source_addr,u32 dest_addr, u32 data_size)
{
int err_count=0;
u32 dest_rd_data =0;
u32 src_rd_data =0;
u32 temp_i=0;
u32 temp_j=0;
dbg_usb("***Reading the destination buffer location from %x to %x and comparing with source buffer location data ****\n",dest_addr,(dest_addr+data_size-0x4));
for(temp_i=0;temp_j<(data_size-0x4);temp_i=temp_i+1)
{
temp_j= (temp_i*4);
dest_rd_data = readl(dest_addr+(temp_i*4));
src_rd_data = readl(source_addr+(temp_i*4));
dbg_usb("Src:A:%x,RdD:%x || Dest:A:%x,RdD:%x \n",(source_addr+(temp_i*4)),src_rd_data,(dest_addr+(temp_i*4)),dest_rd_data);
if(src_rd_data != dest_rd_data)
err_count++;
}
if(err_count ==0)
{
dbg_usb("%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n");
dbg_usb("*** TEST PASSED ****\n");
dbg_usb("%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n");
}
else
{
dbg_usb("%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n");
dbg_usb("*** TEST FAILED ****\n");
dbg_usb("%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n");
}
} //check_data_intigrity_and_conclude_final_result
//****************************************************************************************//
//****************************************************************************************//
//Iniatialize the Data buffer with increamenting number pattern based on buffer size &
//Base address arguements.
void data_buffer_init(u32 base_addr, u32 buf_size,int temp_k)
{
u32 temp_i=0;
u32 temp_j=0;
dbg_usb("*** Initializing the shared memory location from %x to %x with fixed increamented pattern data ****\n",base_addr,(base_addr+buf_size));
if(temp_k !=0)
{
for(temp_i=0;temp_j<buf_size;temp_i=temp_i+1)
{
temp_j= (temp_i*4);
writel( (0xbaad0000|temp_j),(base_addr+(temp_i*4)));
dbg_usb("A:%x,WrD:%x \n",(base_addr+(temp_i*4)),(0xbaad0000|temp_j));
}
}
else
{
for(temp_i=0;temp_j<buf_size;temp_i=temp_i+1)
{
temp_j= (temp_i*4);
writel( (0x900d0000|temp_j),(base_addr+(temp_i*4)));
dbg_usb("A:%x,WrD:%x \n",(base_addr+(temp_i*4)),(0x900d0000|temp_j));
}
}
} //data_buffer_init
//****************************************************************************************//
//****************************************************************************************//
void gpio_wait_for_device_trigger(void)
{
u32 temp=0;
dbg_usb("*** USB3 Host waiting for syncup with device ****\n");
temp = readl(0x90470010);
dbg_usb("A:%x,RdD:%x\n",0x90470010,temp);
while((temp & 0x300) != 0x300)
{
temp = readl(0x90470010);
//dbg_usb("A:%x,RdD:%x\n",0x90470010,temp);
}
dbg_usb("A:%x,RdD:%x\n",0x90470010,temp);
dbg_usb("*** Now usb3 host is in syncup with device ****\n");
}
//****************************************************************************************//
void usb3_start_device_side_program_execution(void)
{
dbg_usb("*** Programming GPIO[5:4] ports to high,which will be polled in device side program to proceed ****\n");
dbg_usb("*** Start executing the usb3 device code ****\n");
writel(0x30,0x90470000);
dbg_usb("A:%x,WrD:%x\n",0x90470000,0x30);
}
//****************************************************************************************//
void usb3_stop_device_side_program_execution(void)
{
dbg_usb("*** Programming GPIO[5:4] ports to low,which will be polled in device side program to stop ****\n");
dbg_usb("*** Stop executing the usb3 device code ****\n");
writel(0x00,0x90470000);
dbg_usb("A:%x,WrD:%x\n",0x90470000,0x00);
}
//****************************************************************************************//
int check_host_to_device_handshaking_result(void)
{
if((device_connected_on_ss_port==1) && (device_slots_cmd_pass==1) && (set_addr_cmd_pass==1))
{
printf(">>> USB3 HOST TO USB3 DEVICE HANDSHAKING IS SUCCESSFULL <<<\n\n");
return 0;
}
else
{
printf(">>>> USB3 HOST TO USB3 DEVICE HANDSHAKING IS FAILED <<<<\n\n");
return -1;
}
}
//****************************************************************************************//