libpayload: add UDC driver for Designware controller

Found in rockchips rk3288 as used in google/veyron.

BUG=None
TEST=None
BRANCH=None

Change-Id: I2f2c36c5bea3986a8a37f84c75608b838a8782ae
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 59a0bcd97e8d0f5ce5ac1301910e11b01e2d24b1
Original-Change-Id: Ic89ed54c48d6f9ce125a93caf96471abc6e8cd9d
Original-Signed-off-by: Yunzhi Li <lyz@rock-chips.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/272108
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Original-Commit-Queue: Lin Huang <hl@rock-chips.com>
Original-Tested-by: Lin Huang <hl@rock-chips.com>
Reviewed-on: http://review.coreboot.org/10689
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

1 files changed, 1 insertions, 615 deletions

diff --git a/payloads/libpayload/drivers/usb/dwc2_private.h b/payloads/libpayload/drivers/usb/dwc2_private.h
index fa65f8b2a22e..7e6621dce814 100644
--- a/payloads/libpayload/drivers/usb/dwc2_private.h
+++ b/payloads/libpayload/drivers/usb/dwc2_private.h
@@ -19,621 +19,7 @@
 
 #ifndef __DWC2_REGS_H__
 #define __DWC2_REGS_H__
-#define MAX_EPS_CHANNELS 16
-
-typedef struct core_reg {
-	uint32_t gotgctl;
-	uint32_t gotgint;
-	uint32_t gahbcfg;
-	uint32_t gusbcfg;
-	uint32_t grstctl;
-	uint32_t gintsts;
-	uint32_t gintmsk;
-	uint32_t grxstsr;
-	uint32_t grxstsp;
-	uint32_t grxfsiz;
-	uint32_t gnptxfsiz;
-	uint32_t gnptxsts;
-	uint32_t gi2cctl;
-	uint32_t gpvndctl;
-	uint32_t ggpio;
-	uint32_t guid;
-	uint32_t gsnpsid;
-	uint32_t ghwcfg1;
-	uint32_t ghwcfg2;
-	uint32_t ghwcfg3;
-	uint32_t ghwcfg4;
-	uint32_t reserved1[(0x100 - 0x54) / 4];
-	uint32_t hptxfsiz;
-	uint32_t dptxfsiz_dieptxf[15];
-	uint32_t reserved2[(0x400 - 0x140) / 4];
-} core_reg_t;
-
-typedef struct hc_reg {
-	uint32_t hccharn;
-	uint32_t hcspltn;
-	uint32_t hcintn;
-	uint32_t hcintmaskn;
-	uint32_t hctsizn;
-	uint32_t hcdman;
-	uint32_t reserved[2];
-} hc_reg_t;
-
-/* Host Mode Register Structures */
-typedef struct host_reg {
-	uint32_t hcfg;
-	uint32_t hfir;
-	uint32_t hfnum;
-	uint32_t reserved0;
-	uint32_t hptxsts;
-	uint32_t haint;
-	uint32_t haintmsk;
-	uint32_t reserved1[(0x440 - 0x41c) / 4];
-	uint32_t hprt;
-	uint32_t reserved2[(0x500 - 0x444) / 4];
-	hc_reg_t hchn[MAX_EPS_CHANNELS];
-	uint32_t reserved3[(0x800 - 0x700) / 4];
-} host_reg_t;
-
-/* Device IN ep reg */
-typedef struct in_ep_reg {
-	uint32_t diepctl;
-	uint32_t reserved04;
-	uint32_t diepint;
-	uint32_t reserved0c;
-	uint32_t dieptsiz;
-	uint32_t diepdma;
-	uint32_t dtxfsts;
-	uint32_t diepdmab;
-} in_ep_reg_t;
-
-typedef struct out_ep_reg {
-	uint32_t doepctl;
-	uint32_t reserved04;
-	uint32_t doepint;
-	uint32_t reserved0c;
-	uint32_t doeptsiz;
-	uint32_t doepdma;
-	uint32_t reserved18;
-	uint32_t doepdmab;
-} out_ep_reg_t;
-
-/* Device Mode Registers Structures */
-typedef struct device_reg {
-	uint32_t dcfg;
-	uint32_t dctl;
-	uint32_t dsts;
-	uint32_t unused;
-	uint32_t diepmsk;
-	uint32_t doepmsk;
-	uint32_t daint;
-	uint32_t daintmsk;
-	uint32_t dtknqr1;
-	uint32_t dtknqr2;
-	uint32_t dvbusdis;
-	uint32_t dvbuspulse;
-	uint32_t dtknqr3_dthrctl;
-	uint32_t dtknqr4_fifoemptymsk;
-	uint32_t reserved1[(0x900 - 0x838) / 4];
-
-	in_ep_reg_t inep[MAX_EPS_CHANNELS];
-	out_ep_reg_t outep[MAX_EPS_CHANNELS];
-	uint32_t reserved8[(0xe00 - 0xd00) / 4];
-} device_reg_t;
-
-typedef struct pwr_clk_ctrl_reg {
-	uint32_t pcgcctl;
-	uint32_t reserved[(0x1000 - 0xe04) / 4];
-} pwr_clk_ctrl_reg_t;
-
-typedef struct data_fifo {
-	uint32_t dataport;
-	uint32_t reserved[(0x1000 - 0x004) / 4];
-} data_fifo_t;
-
-typedef struct dwc2_otg_reg {
-	core_reg_t core;
-	host_reg_t host;
-	device_reg_t device;
-	pwr_clk_ctrl_reg_t pcgr;
-	data_fifo_t dfifo[MAX_EPS_CHANNELS];
-	uint32_t reserved[(0x40000 - 0x11000) / 4];
-} dwc2_reg_t;
-
-/**
- * This union represents the bit fields of the Core AHB Configuration
- * Register (GAHBCFG).
- */
-typedef union {
-	/* raw register data */
-	uint32_t d32;
-	/* register bits */
-	struct {
-		unsigned glblintrmsk:1;
-#define GLBINT_ENABLE 1
-
-		unsigned hbstlen:4;
-#define DMA_BURST_SINGLE 0
-#define DMA_BURST_INCR 1
-#define DMA_BURST_INCR4 3
-#define DMA_BURST_INCR8 5
-#define DMA_BURST_INCR16 7
-
-		unsigned dmaen:1;
-		unsigned reserved:1;
-		unsigned nptxfemplvl:1;
-		unsigned ptxfemplvl:1;
-		unsigned reserved9_31:23;
-	};
-} gahbcfg_t;
-
-/**
- * This union represents the bit fields of the Core USB Configuration
- * Register (GUSBCFG).
- */
-typedef union {
-	/* raw register data */
-	uint32_t d32;
-	/* register bits */
-	struct {
-		unsigned toutcal:3;
-		unsigned phyif:1;
-		unsigned ulpiutmisel:1;
-		unsigned fsintf:1;
-		unsigned physel:1;
-		unsigned ddrsel:1;
-		unsigned srpcap:1;
-		unsigned hnpcap:1;
-		unsigned usbtrdtim:4;
-		unsigned reserved14:1;
-		unsigned phylpwrclksel:1;
-		unsigned otgi2csel:1;
-		unsigned ulpifsls:1;
-		unsigned ulpiautores:1;
-		unsigned ulpiclksusm:1;
-		unsigned ulpiextvbusdrv:1;
-		unsigned ulpiextvbusindicator:1;
-		unsigned termseldlpulse:1;
-		unsigned reserved23_28:6;
-		unsigned forcehstmode:1;
-		unsigned forcedevmode:1;
-		unsigned cortxpkt:1;
-	};
-} gusbcfg_t;
-
-/**
- * This union represents the bit fields of the Core Reset Register
- * (GRSTCTL).
- */
-typedef union {
-	/* raw register data */
-	uint32_t d32;
-	/* register bits */
-	struct {
-		/** Core Soft Reset (CSftRst) (Device and Host)
-		 *
-		 * The application can flush the control logic in the
-		 * entire core using this bit. This bit resets the
-		 * pipelines in the AHB Clock domain as well as the
-		 * PHY Clock domain.
-		 *
-		 * The state machines are reset to an IDLE state, the
-		 * control bits in the CSRs are cleared, all the
-		 * transmit FIFOs and the receive FIFO are flushed.
-		 *
-		 * The status mask bits that control the generation of
-		 * the interrupt, are cleared, to clear the
-		 * interrupt. The interrupt status bits are not
-		 * cleared, so the application can get the status of
-		 * any events that occurred in the core after it has
-		 * set this bit.
-		 *
-		 * Any transactions on the AHB are terminated as soon
-		 * as possible following the protocol. Any
-		 * transactions on the USB are terminated immediately.
-		 *
-		 * The configuration settings in the CSRs are
-		 * unchanged, so the software doesn't have to
-		 * reprogram these registers (Device
-		 * Configuration/Host Configuration/Core System
-		 * Configuration/Core PHY Configuration).
-		 *
-		 * The application can write to this bit, any time it
-		 * wants to reset the core. This is a self clearing
-		 * bit and the core clears this bit after all the
-		 * necessary logic is reset in the core, which may
-		 * take several clocks, depending on the current state
-		 * of the core.
-		 */
-		unsigned csftrst:1;
-		/** Hclk Soft Reset
-		 *
-		 * The application uses this bit to reset the control logic in
-		 * the AHB clock domain. Only AHB clock domain pipelines are
-		 * reset.
-		 */
-		unsigned hsftrst:1;
-		/** Host Frame Counter Reset (Host Only)<br>
-		 *
-		 * The application can reset the (micro)frame number
-		 * counter inside the core, using this bit. When the
-		 * (micro)frame counter is reset, the subsequent SOF
-		 * sent out by the core, will have a (micro)frame
-		 * number of 0.
-		 */
-		unsigned frmcntrrst:1;
-		/** In Token Sequence Learning Queue Flush
-		 * (INTknQFlsh) (Device Only)
-		 */
-		unsigned intknqflsh:1;
-		/** RxFIFO Flush (RxFFlsh) (Device and Host)
-		 *
-		 * The application can flush the entire Receive FIFO
-		 * using this bit.	<p>The application must first
-		 * ensure that the core is not in the middle of a
-		 * transaction.	 <p>The application should write into
-		 * this bit, only after making sure that neither the
-		 * DMA engine is reading from the RxFIFO nor the MAC
-		 * is writing the data in to the FIFO.	<p>The
-		 * application should wait until the bit is cleared
-		 * before performing any other operations. This bit
-		 * will takes 8 clocks (slowest of PHY or AHB clock)
-		 * to clear.
-		 */
-		unsigned rxfflsh:1;
-		/** TxFIFO Flush (TxFFlsh) (Device and Host).
-		 *
-		 * This bit is used to selectively flush a single or
-		 * all transmit FIFOs.	The application must first
-		 * ensure that the core is not in the middle of a
-		 * transaction.	 <p>The application should write into
-		 * this bit, only after making sure that neither the
-		 * DMA engine is writing into the TxFIFO nor the MAC
-		 * is reading the data out of the FIFO.	 <p>The
-		 * application should wait until the core clears this
-		 * bit, before performing any operations. This bit
-		 * will takes 8 clocks (slowest of PHY or AHB clock)
-		 * to clear.
-		 */
-		unsigned txfflsh:1;
-
-		/** TxFIFO Number (TxFNum) (Device and Host).
-		 *
-		 * This is the FIFO number which needs to be flushed,
-		 * using the TxFIFO Flush bit. This field should not
-		 * be changed until the TxFIFO Flush bit is cleared by
-		 * the core.
-		 *	 - 0x0 : Non Periodic TxFIFO Flush
-		 *	 - 0x1 : Periodic TxFIFO #1 Flush in device mode
-		 *	   or Periodic TxFIFO in host mode
-		 *	 - 0x2 : Periodic TxFIFO #2 Flush in device mode.
-		 *	 - ...
-		 *	 - 0xF : Periodic TxFIFO #15 Flush in device mode
-		 *	 - 0x10: Flush all the Transmit NonPeriodic and
-		 *	   Transmit Periodic FIFOs in the core
-		 */
-		unsigned txfnum:5;
-		/** Reserved */
-		unsigned reserved11_29:19;
-		/** DMA Request Signal.	 Indicated DMA request is in
-		 * probress.  Used for debug purpose. */
-		unsigned dmareq:1;
-		/** AHB Master Idle.  Indicates the AHB Master State
-		 * Machine is in IDLE condition. */
-		unsigned ahbidle:1;
-	} ;
-} grstctl_t;
-
-/**
- * This union represents the bit fields of the Core Interrupt Mask
- * Register (GINTMSK).
- */
-typedef union {
-	/* raw register data */
-	uint32_t d32;
-	/* register bits */
-	struct {
-		unsigned curmod:1;
-		unsigned modemis:1;
-		unsigned otgint:1;
-		unsigned sof:1;
-		unsigned rxflvl:1;
-		unsigned nptxfemp:1;
-		unsigned ginnakeff:1;
-		unsigned goutnakeff:1;
-		unsigned reserved8:1;
-		unsigned i2cint:1;
-		unsigned erlysusp:1;
-		unsigned usbsusp:1;
-		unsigned usbrst:1;
-		unsigned enumdone:1;
-		unsigned isooutdrop:1;
-		unsigned eopf:1;
-		unsigned reserved16_20:5;
-		unsigned incompip:1;
-		unsigned reserved22_23:2;
-		unsigned prtint:1;
-		unsigned hchint:1;
-		unsigned ptxfemp:1;
-		unsigned reserved27:1;
-		unsigned conidstschng:1;
-		unsigned disconnint:1;
-		unsigned sessreqint:1;
-		unsigned wkupint:1;
-	} ;
-} gintmsk_t;
-
-/**
-* This union represents the bit fields of the Core Non-Periodic
-* Transmit FIFO Size Register(GNPTXFSIZ).
-*/
-typedef union {
-	/* raw register data */
-	uint32_t d32;
-	/* register bits */
-	struct {
-		unsigned nptxfstaddr:16;
-		unsigned nptxfdep:16;
-	};
-} gnptxfsiz_t;
-
-/**
- * This union represents the bit fields of the Core Receive FIFO Size
- * Register(GRXFSIZ).
- */
-typedef union {
-	/* raw register data */
-	uint32_t d32;
-	/* register bits */
-	/*The value in this fieles is in terms of 32-bit words size.
-	 */
-	struct {
-		unsigned rxfdep:16;
-		unsigned reserved:16;
-	};
-} grxfsiz_t;
-
-/**
- * This union represents the bit fields of the Core Interrupt Register
- * (GINTSTS).
- */
-typedef union {
-	/* raw register data */
-	uint32_t d32;
-#define SOF_INTR_MASK 0x0008
-	/* register bits */
-	struct {
-		unsigned curmod:1;
-#define HOST_MODE 1
-#define DEVICE_MODE 0
-		unsigned modemis:1;
-		unsigned otgint:1;
-		unsigned sof:1;
-		unsigned rxflvl:1;
-		unsigned nptxfemp:1;
-		unsigned ginnakeff:1;
-		unsigned goutnakeff:1;
-		unsigned reserved8:1;
-		unsigned i2cint:1;
-		unsigned erlysusp:1;
-		unsigned usbsusp:1;
-		unsigned usbrst:1;
-		unsigned enumdone:1;
-		unsigned isooutdrop:1;
-		unsigned eopf:1;
-		unsigned reserved16_20:5;
-		unsigned incompip:1;
-		unsigned reserved22_23:2;
-		unsigned prtint:1;
-		unsigned hchint:1;
-		unsigned ptxfemp:1;
-		unsigned reserved27:1;
-		unsigned conidstschng:1;
-		unsigned disconnint:1;
-		unsigned sessreqint:1;
-		unsigned wkupint:1;
-	};
-} gintsts_t;
-
-/**
- * This union represents the bit fields of the User HW Config3 Register
- * (GHWCFG3).
- */
-typedef union {
-	/* raw register data */
-	uint32_t d32;
-	/* register bits */
-	struct {
-		unsigned reserved:16;
-		unsigned dfifodepth:16;
-	};
-} ghwcfg3_t;
-
-/**
- * This union represents the bit fields in the Host Configuration Register.
- */
-typedef union {
-	/* raw register data */
-	uint32_t d32;
-
-	/* register bits */
-	struct {
-		/** FS/LS Phy Clock Select */
-		unsigned fslspclksel:2;
-#define PHYCLK_30_60_MHZ 0
-#define PHYCLK_48_MHZ 1
-#define PHYCLK_6_MHZ 2
-
-		/** FS/LS Only Support */
-		unsigned fslssupp:1;
-	};
-} hcfg_t;
-
-/**
- * This union represents the bit fields in the Host Port Control and status
- * Register.
- */
-typedef union {
-	/* raw register data */
-	uint32_t d32;
-	/* register bits */
-	struct {
-		unsigned prtconnsts:1;
-		unsigned prtconndet:1;
-		unsigned prtena:1;
-		unsigned prtenchng:1;
-		unsigned prtovrcurract:1;
-		unsigned prtovrcurrchng:1;
-		unsigned prtres:1;
-		unsigned prtsusp:1;
-		unsigned prtrst:1;
-		unsigned reserved9:1;
-		unsigned prtlnsts:2;
-		unsigned prtpwr:1;
-		unsigned prttstctl:4;
-		unsigned prtspd:2;
-#define PRTSPD_HIGH 0
-#define PRTSPD_FULL 1
-#define PRTSPD_LOW	2
-		unsigned reserved19_31:13;
-	};
-} hprt_t;
-/* Mask W1C bits */
-#define HPRT_W1C_MASK (~((1 << 1) | (1 << 2) | (1 << 3) | (1 << 5)))
-
-/**
- * This union represents the bit fields in the Host Channel Characteristics
- * Register.
- */
-typedef union {
-	/* raw register data */
-	uint32_t d32;
-
-	/* register bits */
-	struct {
-		/** Maximum packet size in bytes */
-		unsigned mps:11;
-		/** Endpoint number */
-		unsigned epnum:4;
-		/** 0: OUT, 1: IN */
-		unsigned epdir:1;
-		unsigned reserved:1;
-		/** 0: Full/high speed device, 1: Low speed device */
-		unsigned lspddev:1;
-		/** 0: Control, 1: Isoc, 2: Bulk, 3: Intr */
-		unsigned eptype:2;
-		/** Packets per frame for periodic transfers. 0 is reserved. */
-		unsigned multicnt:2;
-		/** Device address */
-		unsigned devaddr:7;
-		/**
-		 * Frame to transmit periodic transaction.
-		 * 0: even, 1: odd
-		 */
-		unsigned oddfrm:1;
-		/** Channel disable */
-		unsigned chdis:1;
-		/** Channel enable */
-		unsigned chen:1;
-	};
-} hcchar_t;
-
-typedef enum {
-	EPDIR_OUT = 0,
-	EPDIR_IN,
-} ep_dir_t;
-
-/**
- * This union represents the bit fields in the Host All Interrupt
- * Register.
- */
-typedef union {
-	/* raw register data */
-	uint32_t d32;
-	/* register bits */
-	struct {
-		/** Transfer Complete */
-		unsigned xfercomp:1;
-		/** Channel Halted */
-		unsigned chhltd:1;
-		/** AHB Error */
-		unsigned ahberr:1;
-		/** STALL Response Received */
-		unsigned stall:1;
-		/** NAK Response Received */
-		unsigned nak:1;
-		/** ACK Response Received */
-		unsigned ack:1;
-		/** NYET Response Received */
-		unsigned nyet:1;
-		/** Transaction Err */
-		unsigned xacterr:1;
-		/** Babble Error */
-		unsigned bblerr:1;
-		/** Frame Overrun */
-		unsigned frmovrun:1;
-		/** Data Toggle Error */
-		unsigned datatglerr:1;
-		/** Reserved */
-		unsigned reserved:21;
-	};
-} hcint_t;
-
-/**
- * This union represents the bit fields in the Host Channel Transfer Size
- * Register.
- */
-typedef union {
-	/* raw register data */
-	uint32_t d32;
-
-	/* register bits */
-	struct {
-		/* Total transfer size in bytes */
-		unsigned xfersize:19;
-		/** Data packets to transfer */
-		unsigned pktcnt:10;
-		/**
-		 * Packet ID for next data packet
-		 * 0: DATA0
-		 * 1: DATA2
-		 * 2: DATA1
-		 * 3: MDATA (non-Control), SETUP (Control)
-		 */
-		unsigned pid:2;
-#define PID_DATA0 0
-#define PID_DATA1 2
-#define PID_DATA2 1
-#define PID_MDATA 3
-#define PID_SETUP 3
-		/* Do PING protocol when 1 */
-		unsigned dopng:1;
-	};
-} hctsiz_t;
-
-/**
- * This union represents the bit fields in the Host Channel Interrupt Mask
- * Register.
- */
-typedef union {
-	/* raw register data */
-	uint32_t d32;
-	/* register bits */
-	struct {
-		unsigned xfercomp:1;
-		unsigned chhltd:1;
-		unsigned ahberr:1;
-		unsigned stall:1;
-		unsigned nak:1;
-		unsigned ack:1;
-		unsigned nyet:1;
-		unsigned xacterr:1;
-		unsigned bblerr:1;
-		unsigned frmovrun:1;
-		unsigned datatglerr:1;
-		unsigned reserved:21;
-	};
-} hcintmsk_t;
+#include <usb/dwc2_registers.h>
 
 typedef struct dwc_ctrl {
 #define DMA_SIZE (64 * 1024)