diff options
| author | Aoi Shinkai <shinkoi2005@gmail.com> | 2007-09-21 15:18:33 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2007-09-21 15:18:33 +0900 |
| commit | 43f4b8c7578b928892b6f01d374346ae14e5eb70 (patch) | |
| tree | f0f26c520bf6de74df759f6032c910904dbeb79d /arch/sh | |
| parent | d04a0f79f502a87bb17b147afc4b3e39e75275c3 (diff) | |
| download | linux-43f4b8c7578b928892b6f01d374346ae14e5eb70.tar.bz2 | |
sh: rts7751r2d cf_ide rework
Support CF IDE on R2D-1 boards.
Signed-off-by: Aoi Shinkai <shinkoi2005@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh')
| -rw-r--r-- | arch/sh/boards/renesas/rts7751r2d/setup.c | 45 |
1 files changed, 33 insertions, 12 deletions
diff --git a/arch/sh/boards/renesas/rts7751r2d/setup.c b/arch/sh/boards/renesas/rts7751r2d/setup.c index e62107d46fd9..7ba478247fee 100644 --- a/arch/sh/boards/renesas/rts7751r2d/setup.c +++ b/arch/sh/boards/renesas/rts7751r2d/setup.c @@ -45,12 +45,12 @@ static void __init voyagergx_serial_init(void) static struct resource cf_ide_resources[] = { [0] = { .start = PA_AREA5_IO + 0x1000, - .end = PA_AREA5_IO + 0x1000 + 0x08 - 1, + .end = PA_AREA5_IO + 0x1000 + 0x10 - 0x2, .flags = IORESOURCE_MEM, }, [1] = { .start = PA_AREA5_IO + 0x80c, - .end = PA_AREA5_IO + 0x80c + 0x16 - 1, + .end = PA_AREA5_IO + 0x80c, .flags = IORESOURCE_MEM, }, [2] = { @@ -141,19 +141,12 @@ static struct platform_device *rts7751r2d_devices[] __initdata = { &uart_device, &sm501_device, #endif + &cf_ide_device, &heartbeat_device, }; static int __init rts7751r2d_devices_setup(void) { - int ret; - - if (ctrl_inw(PA_BVERREG) == 0x10) { /* R2D-PLUS */ - ret = platform_device_register(&cf_ide_device); - if (ret) - return ret; - } - return platform_add_devices(rts7751r2d_devices, ARRAY_SIZE(rts7751r2d_devices)); } @@ -164,6 +157,34 @@ static void rts7751r2d_power_off(void) ctrl_outw(0x0001, PA_POWOFF); } +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)); +} + +static void rts7751r2d_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); +} + +static u8 rts7751r2d_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 */ @@ -188,10 +209,10 @@ static void __init rts7751r2d_setup(char **cmdline_p) static struct sh_machine_vector mv_rts7751r2d __initmv = { .mv_name = "RTS7751R2D", .mv_setup = rts7751r2d_setup, - .mv_init_irq = init_rts7751r2d_IRQ, .mv_irq_demux = rts7751r2d_irq_demux, - + .mv_writeb = rts7751r2d_writeb, + .mv_readb = rts7751r2d_readb, #if defined(CONFIG_MFD_SM501) && defined(CONFIG_USB_OHCI_HCD) .mv_consistent_alloc = voyagergx_consistent_alloc, .mv_consistent_free = voyagergx_consistent_free, |