93 lines
2.4 KiB
C
93 lines
2.4 KiB
C
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/*
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EHCI glue. A bit hacky for the moment. needs cleaning..
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Copyright (C) 2008 kwiirk.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "tiny_ehci_glue.h"
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#define static
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#define inline extern
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int verbose=0;
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void BUG(void)
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{
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dbgprintf("bug\n");
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while(1);
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}
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#define BUG_ON(a) if(a)BUG()
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void msleep(int msec)
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{
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udelay(2048*msec);
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}
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extern u32 __exe_start_virt__;
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extern u32 __ram_start_virt__;
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extern u32 ios_thread_stack;
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void print_hex_dump_bytes(char *header,int prefix,u8 *buf,int len)
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{
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int i;
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if (len>0x100)len=0x100;
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dbgprintf("%s %08X\n",header,(u32)buf);
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for (i=0;i<len;i++){
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dbgprintf("%02x ",buf[i]);
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if((i&0xf) == 0xf)
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dbgprintf("\n");
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}
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dbgprintf("\n");
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}
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#define DUMP_PREFIX_OFFSET 1
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#include "ehci.h"
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#define ehci_readl(a) ((*((volatile u32*)(a))))
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//#define ehci_writel(e,v,a) do{msleep(40);dbgprintf("writel %08X %08X\n",a,v);*((volatile u32*)(a))=(v);}while(0)
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#define ehci_writel(v,a) do{*((volatile u32*)(a))=(v);}while(0)
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struct ehci_hcd _ehci;
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struct ehci_hcd *ehci;
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#include "ehci.c"
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int usb_os_init(void);
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int tiny_ehci_init(void)
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{
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int retval;
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ehci = &_ehci;
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//memset(ehci,0,sizeof(*ehci));
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if(usb_os_init()<0)
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return 0;
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ehci->caps = (void*)0x0D040000;
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ehci->regs = (void*)(0x0D040000 + HC_LENGTH(ehci_readl(&ehci->caps->hc_capbase)));
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ehci->num_port = 4;
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/* cache this readonly data; minimize chip reads */
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ehci->hcs_params = ehci_readl( &ehci->caps->hcs_params );
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/* data structure init */
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retval = ehci_init();
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if (retval)
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return retval;
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ehci_release_ports(); //quickly release none usb2 port
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return 0;
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}
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