+++ /dev/null
-/*
- * (C) Copyright 2002
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-
-/*
- * USB test
- *
- * The USB controller is tested in the local loopback mode.
- * It is configured so that endpoint 0 operates as host and endpoint 1
- * operates as function endpoint. After that an IN token transaction
- * is performed.
- * Refer to MPC850 User Manual, Section 32.11.1 USB Host Controller
- * Initialization Example.
- */
-
-#include <post.h>
-
-#if CONFIG_POST & CONFIG_SYS_POST_USB
-
-#include <commproc.h>
-#include <command.h>
-
-#define TOUT_LOOP 100
-
-#define PROFF_USB ((uint)0x0000)
-
-#define CPM_USB_EP0_BASE 0x0a00
-#define CPM_USB_EP1_BASE 0x0a20
-
-#define CPM_USB_DT0_BASE 0x0a80
-#define CPM_USB_DT1_BASE 0x0a90
-#define CPM_USB_DR0_BASE 0x0aa0
-#define CPM_USB_DR1_BASE 0x0ab0
-
-#define CPM_USB_RX0_BASE 0x0b00
-#define CPM_USB_RX1_BASE 0x0b08
-#define CPM_USB_TX0_BASE 0x0b20
-#define CPM_USB_TX1_BASE 0x0b28
-
-#define USB_EXPECT(x) if (!(x)) goto Done;
-
-typedef struct usb_param {
- ushort ep0ptr;
- ushort ep1ptr;
- ushort ep2ptr;
- ushort ep3ptr;
- uint rstate;
- uint rptr;
- ushort frame_n;
- ushort rbcnt;
- ushort rtemp;
-} usb_param_t;
-
-typedef struct usb_param_block {
- ushort rbase;
- ushort tbase;
- uchar rfcr;
- uchar tfcr;
- ushort mrblr;
- ushort rbptr;
- ushort tbptr;
- uint tstate;
- uint tptr;
- ushort tcrc;
- ushort tbcnt;
- uint res[2];
-} usb_param_block_t;
-
-typedef struct usb {
- uchar usmod;
- uchar usadr;
- uchar uscom;
- uchar res1;
- ushort usep[4];
- uchar res2[4];
- ushort usber;
- uchar res3[2];
- ushort usbmr;
- uchar res4;
- uchar usbs;
- uchar res5[8];
-} usb_t;
-
-int usb_post_test (int flags)
-{
- int res = -1;
- volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
- volatile cpm8xx_t *cp = &(im->im_cpm);
- volatile usb_param_t *pram_ptr;
- uint dpram;
- ushort DPRAM;
- volatile cbd_t *tx;
- volatile cbd_t *rx;
- volatile usb_t *usbr;
- volatile usb_param_block_t *ep0;
- volatile usb_param_block_t *ep1;
- int j;
-
- pram_ptr = (usb_param_t *) & (im->im_cpm.cp_dparam[PROFF_USB]);
- dpram = (uint) im->im_cpm.cp_dpmem;
- DPRAM = dpram;
- tx = (cbd_t *) (dpram + CPM_USB_TX0_BASE);
- rx = (cbd_t *) (dpram + CPM_USB_RX0_BASE);
- ep0 = (usb_param_block_t *) (dpram + CPM_USB_EP0_BASE);
- ep1 = (usb_param_block_t *) (dpram + CPM_USB_EP1_BASE);
- usbr = (usb_t *) & (im->im_cpm.cp_scc[0]);
-
- /* 01 */
- im->im_ioport.iop_padir &= ~(ushort) 0x0200;
- im->im_ioport.iop_papar |= (ushort) 0x0200;
-
- cp->cp_sicr &= ~0x000000FF;
- cp->cp_sicr |= 0x00000018;
-
- cp->cp_brgc4 = 0x00010001;
-
- /* 02 */
- im->im_ioport.iop_padir &= ~(ushort) 0x0002;
- im->im_ioport.iop_padir &= ~(ushort) 0x0001;
-
- im->im_ioport.iop_papar |= (ushort) 0x0002;
- im->im_ioport.iop_papar |= (ushort) 0x0001;
-
- /* 03 */
- im->im_ioport.iop_pcdir &= ~(ushort) 0x0020;
- im->im_ioport.iop_pcdir &= ~(ushort) 0x0010;
-
- im->im_ioport.iop_pcpar &= ~(ushort) 0x0020;
- im->im_ioport.iop_pcpar &= ~(ushort) 0x0010;
-
- im->im_ioport.iop_pcso |= (ushort) 0x0020;
- im->im_ioport.iop_pcso |= (ushort) 0x0010;
-
- /* 04 */
- im->im_ioport.iop_pcdir |= (ushort) 0x0200;
- im->im_ioport.iop_pcdir |= (ushort) 0x0100;
-
- im->im_ioport.iop_pcpar |= (ushort) 0x0200;
- im->im_ioport.iop_pcpar |= (ushort) 0x0100;
-
- /* 05 */
- pram_ptr->frame_n = 0;
-
- /* 06 */
- pram_ptr->ep0ptr = DPRAM + CPM_USB_EP0_BASE;
- pram_ptr->ep1ptr = DPRAM + CPM_USB_EP1_BASE;
-
- /* 07-10 */
- tx[0].cbd_sc = 0xB800;
- tx[0].cbd_datlen = 3;
- tx[0].cbd_bufaddr = dpram + CPM_USB_DT0_BASE;
-
- tx[1].cbd_sc = 0xBC80;
- tx[1].cbd_datlen = 3;
- tx[1].cbd_bufaddr = dpram + CPM_USB_DT1_BASE;
-
- rx[0].cbd_sc = 0xA000;
- rx[0].cbd_datlen = 0;
- rx[0].cbd_bufaddr = dpram + CPM_USB_DR0_BASE;
-
- rx[1].cbd_sc = 0xA000;
- rx[1].cbd_datlen = 0;
- rx[1].cbd_bufaddr = dpram + CPM_USB_DR1_BASE;
-
- /* 11-12 */
- *(volatile int *) (dpram + CPM_USB_DT0_BASE) = 0x69856000;
- *(volatile int *) (dpram + CPM_USB_DT1_BASE) = 0xABCD1234;
-
- *(volatile int *) (dpram + CPM_USB_DR0_BASE) = 0;
- *(volatile int *) (dpram + CPM_USB_DR1_BASE) = 0;
-
- /* 13-16 */
- ep0->rbase = DPRAM + CPM_USB_RX0_BASE;
- ep0->tbase = DPRAM + CPM_USB_TX0_BASE;
- ep0->rfcr = 0x18;
- ep0->tfcr = 0x18;
- ep0->mrblr = 0x100;
- ep0->rbptr = DPRAM + CPM_USB_RX0_BASE;
- ep0->tbptr = DPRAM + CPM_USB_TX0_BASE;
- ep0->tstate = 0;
-
- /* 17-20 */
- ep1->rbase = DPRAM + CPM_USB_RX1_BASE;
- ep1->tbase = DPRAM + CPM_USB_TX1_BASE;
- ep1->rfcr = 0x18;
- ep1->tfcr = 0x18;
- ep1->mrblr = 0x100;
- ep1->rbptr = DPRAM + CPM_USB_RX1_BASE;
- ep1->tbptr = DPRAM + CPM_USB_TX1_BASE;
- ep1->tstate = 0;
-
- /* 21-24 */
- usbr->usep[0] = 0x0000;
- usbr->usep[1] = 0x1100;
- usbr->usep[2] = 0x2200;
- usbr->usep[3] = 0x3300;
-
- /* 25 */
- usbr->usmod = 0x06;
-
- /* 26 */
- usbr->usadr = 0x05;
-
- /* 27 */
- usbr->uscom = 0;
-
- /* 28 */
- usbr->usmod |= 0x01;
- udelay (1);
-
- /* 29-30 */
- usbr->uscom = 0x80;
- usbr->uscom = 0x81;
-
- /* Wait for the data packet to be transmitted */
- for (j = 0; j < TOUT_LOOP; j++) {
- if (tx[1].cbd_sc & (ushort) 0x8000)
- udelay (1);
- else
- break;
- }
-
- USB_EXPECT (j < TOUT_LOOP);
-
- USB_EXPECT (tx[0].cbd_sc == 0x3800);
- USB_EXPECT (tx[0].cbd_datlen == 3);
-
- USB_EXPECT (tx[1].cbd_sc == 0x3C80);
- USB_EXPECT (tx[1].cbd_datlen == 3);
-
- USB_EXPECT (rx[0].cbd_sc == 0x2C00);
- USB_EXPECT (rx[0].cbd_datlen == 5);
-
- USB_EXPECT (*(volatile int *) (dpram + CPM_USB_DR0_BASE) ==
- 0xABCD122B);
- USB_EXPECT (*(volatile char *) (dpram + CPM_USB_DR0_BASE + 4) == 0x42);
-
- res = 0;
- Done:
-
- return res;
-}
-
-#endif /* CONFIG_POST & CONFIG_SYS_POST_USB */
projects / people / ms / u-boot.git / blobdiff