diff options
Diffstat (limited to 'arch/sh/boards')
| -rw-r--r-- | arch/sh/boards/renesas/r7780rp/setup.c | 31 |
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, }; |