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added more diagnostic printouts and fixed debug() routines to ease debugging

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This commit is contained in:
Markus Fröschle
2013-11-07 20:29:30 +00:00
parent 8ba5726efc
commit 735b6a690b
6 changed files with 14 additions and 10 deletions
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3
BaS_gcc/sources/ehci-hcd.c
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@@ -168,7 +168,7 @@ static struct ehci {
#define SHOW_INFO
#ifdef DEBUG
#define debug(format, arg...) xprintf("DEBUG: " format, ## arg)
#define debug(format, arg...) xprintf("DEBUG: " format "\r\n", ## arg)
#else
#define debug(format, arg...) do {} while (0)
#endif /* DEBUG */
@@ -276,6 +276,7 @@ static int ehci_reset(void)
pci_write_config_longword(gehci.handle, 0xE4, 0x20); // oscillator
}
cmd = ehci_readl(&gehci.hcor->or_usbcmd);
debug("cmd: 0x%08x\r\n", cmd);
cmd |= CMD_RESET;
ehci_writel(&gehci.hcor->or_usbcmd, cmd);
ret = handshake((uint32_t *)&gehci.hcor->or_usbcmd, CMD_RESET, 0, 250 * 1000);