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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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258e1e7379
Use the CKSEG1ADDR macro when calculating VGA_MAP_MEM. [ralf@linux-mips.org: Include <asm/addrspace.h for CKSEG1ADDR.] Signed-off-by: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> Signed-off-by: Steven J. Hill <Steven.Hill@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/5814/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
/*
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* Access to VGA videoram
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*
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* (c) 1998 Martin Mares <mj@ucw.cz>
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*/
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#ifndef _ASM_VGA_H
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#define _ASM_VGA_H
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#include <asm/addrspace.h>
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#include <asm/byteorder.h>
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/*
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* On the PC, we can just recalculate addresses and then
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* access the videoram directly without any black magic.
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*/
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#define VGA_MAP_MEM(x, s) CKSEG1ADDR(0x10000000L + (unsigned long)(x))
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#define vga_readb(x) (*(x))
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#define vga_writeb(x, y) (*(y) = (x))
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#define VT_BUF_HAVE_RW
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/*
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* These are only needed for supporting VGA or MDA text mode, which use little
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* endian byte ordering.
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* In other cases, we can optimize by using native byte ordering and
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* <linux/vt_buffer.h> has already done the right job for us.
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*/
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#undef scr_writew
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#undef scr_readw
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static inline void scr_writew(u16 val, volatile u16 *addr)
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{
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*addr = cpu_to_le16(val);
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}
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static inline u16 scr_readw(volatile const u16 *addr)
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{
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return le16_to_cpu(*addr);
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}
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#define scr_memcpyw(d, s, c) memcpy(d, s, c)
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#define scr_memmovew(d, s, c) memmove(d, s, c)
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#define VT_BUF_HAVE_MEMCPYW
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#define VT_BUF_HAVE_MEMMOVEW
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#endif /* _ASM_VGA_H */
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