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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/m68k/include/asm/vga.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--arch/m68k/include/asm/vga.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/vga.h b/arch/m68k/include/asm/vga.h
new file mode 100644
index 000000000..4742e6bc3
--- /dev/null
+++ b/arch/m68k/include/asm/vga.h
@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_M68K_VGA_H
+#define _ASM_M68K_VGA_H
+
+/*
+ * Some ColdFire platforms do in fact have a PCI bus. So for those we want
+ * to use the real IO access functions, don't fake them out or redirect them
+ * for that case.
+ */
+#ifndef CONFIG_PCI
+
+#include <asm/raw_io.h>
+#include <asm/kmap.h>
+
+/*
+ * FIXME
+ * Ugh, we don't have PCI space, so map readb() and friends to use raw I/O
+ * accessors, which are identical to the z_*() Zorro bus accessors.
+ * This should make cirrusfb work again on Amiga
+ */
+#undef inb_p
+#undef inw_p
+#undef outb_p
+#undef outw
+#undef readb
+#undef writeb
+#undef writew
+#define inb_p(port) 0
+#define inw_p(port) 0
+#define outb_p(port, val) do { } while (0)
+#define outw(port, val) do { } while (0)
+#define readb raw_inb
+#define writeb raw_outb
+#define writew raw_outw
+
+#endif /* CONFIG_PCI */
+#endif /* _ASM_M68K_VGA_H */