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Diffstat (limited to 'arch/sh/boards/renesas/r7780rp/setup.c')
-rw-r--r--arch/sh/boards/renesas/r7780rp/setup.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/sh/boards/renesas/r7780rp/setup.c b/arch/sh/boards/renesas/r7780rp/setup.c
index 2a9ac6bcd8d..0fdc0bc1914 100644
--- a/arch/sh/boards/renesas/r7780rp/setup.c
+++ b/arch/sh/boards/renesas/r7780rp/setup.c
@@ -16,6 +16,7 @@
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/pata_platform.h>
+#include <linux/types.h>
#include <net/ax88796.h>
#include <asm/machvec.h>
#include <asm/r7780rp.h>
@@ -223,6 +224,34 @@ static void r7780rp_power_off(void)
ctrl_outw(0x0001, PA_POFF);
}
+static inline unsigned char is_ide_ioaddr(unsigned long addr)
+{
+ return ((cf_ide_resources[0].start <= addr &&
+ addr <= cf_ide_resources[0].end) ||
+ (cf_ide_resources[1].start <= addr &&
+ addr <= cf_ide_resources[1].end));
+}
+
+void highlander_writeb(u8 b, void __iomem *addr)
+{
+ unsigned long tmp = (unsigned long __force)addr;
+
+ if (is_ide_ioaddr(tmp))
+ ctrl_outw((u16)b, tmp);
+ else
+ ctrl_outb(b, tmp);
+}
+
+u8 highlander_readb(void __iomem *addr)
+{
+ unsigned long tmp = (unsigned long __force)addr;
+
+ if (is_ide_ioaddr(tmp))
+ return ctrl_inw(tmp) & 0xff;
+ else
+ return ctrl_inb(tmp);
+}
+
/*
* Initialize the board
*/
@@ -307,4 +336,6 @@ static struct sh_machine_vector mv_highlander __initmv = {
.mv_setup = highlander_setup,
.mv_init_irq = highlander_init_irq,
.mv_irq_demux = highlander_irq_demux,
+ .mv_readb = highlander_readb,
+ .mv_writeb = highlander_writeb,
};