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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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51d3082fe6
This patch unifies udbg for both ppc32 and ppc64 when building the merged achitecture. xmon now has a single "back end". The powermac udbg stuff gets enriched with some ADB capabilities and btext output. In addition, the early_init callback is now called on ppc32 as well, approx. in the same order as ppc64 regarding device-tree manipulations. The init sequences of ppc32 and ppc64 are getting closer, I'll unify them in a later patch. For now, you can force udbg to the scc using "sccdbg" or to btext using "btextdbg" on powermacs. I'll implement a cleaner way of forcing udbg output to something else than the autodetected OF output device in a later patch. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
29 lines
858 B
C
29 lines
858 B
C
/*
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* Definitions for using the procedures in btext.c.
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*
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* Benjamin Herrenschmidt <benh@kernel.crashing.org>
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*/
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#ifndef __PPC_BTEXT_H
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#define __PPC_BTEXT_H
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#ifdef __KERNEL__
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extern int btext_find_display(int allow_nonstdout);
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extern void btext_update_display(unsigned long phys, int width, int height,
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int depth, int pitch);
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extern void btext_setup_display(int width, int height, int depth, int pitch,
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unsigned long address);
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extern void btext_prepare_BAT(void);
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extern void btext_unmap(void);
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extern void btext_drawchar(char c);
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extern void btext_drawstring(const char *str);
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extern void btext_drawhex(unsigned long v);
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extern void btext_drawtext(const char *c, unsigned int len);
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extern void btext_clearscreen(void);
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extern void btext_flushscreen(void);
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extern void btext_flushline(void);
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#endif /* __KERNEL__ */
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#endif /* __PPC_BTEXT_H */
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