18b2f7e6a1
by Eduardo Horvath and Simon Burge of Wasabi Systems.
IBM 4xx series CPU features:
- New pmap and revised trap handler.
- Support on-chip timers, PCI controller, UARTs
- Framework for on-chip ethernet and watchdog timer.
General PowerPC features:
- Add in-kernel PPC floating point emulation
- New in{,4}_cksum that is between 1.5 and 5 times faster than the
old version depending on CPU type.
General changes:
- Kernel support for generic dbsym-style symbols.
30 lines
741 B
C
30 lines
741 B
C
#ifndef __DS1501_H__
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#define __DS1501_H__
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/* Dallas Semiconductor DS1501/DS1511 Watchdog RTC */
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#define DS_SECONDS 0x1ff9
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#define DS_MINUTES 0x1ffa
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#define DS_HOURS 0x1ffb
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#define DS_DAY 0x1ffc
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#define DS_DATE 0x1ffd
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#define DS_MONTH 0x1ffe
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#define DS_YEAR 0x1fff
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#define DS_CENTURY 0x1ff8
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#define DS_CTL_R 0x40 /* R bit in the century register */
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#define DS_CTL_W 0x80 /* W bit in the century register */
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#define DS_CTL_RW (DS_CTL_R|DS_CTL_W)
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#define DS_CTL_OSC 0x80 /* ~OSC BIT in the seconds register */
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#define DS_CTL_BF 0x80 /* BF(battery failure) bit in the day register */
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#define DS_CTL_FT 0x40 /* FT(frequency test) bit in the day register */
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#define DS_RAM_SIZE 0x1ff8
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#define DS_SIZE 0x2000
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#endif /* __DS1501_H__ */
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