diff options
Diffstat (limited to 'post/usb.c')
| -rw-r--r-- | post/usb.c | 269 |
1 files changed, 0 insertions, 269 deletions
diff --git a/post/usb.c b/post/usb.c deleted file mode 100644 index 0c74cfa..0000000 --- a/post/usb.c +++ /dev/null @@ -1,269 +0,0 @@ -/* - * (C) Copyright 2002 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#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. - */ - -#ifdef CONFIG_POST - -#include <post.h> - -#if CONFIG_POST & CFG_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 *) CFG_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 & CFG_POST_USB */ - -#endif /* CONFIG_POST */ |