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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>
This commit is contained in:
Aoi Shinkai 2007-09-21 15:18:33 +09:00 committed by Paul Mundt
parent d04a0f79f5
commit 43f4b8c757
1 changed files with 33 additions and 12 deletions
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45
arch/sh/boards/renesas/rts7751r2d/setup.c
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@ -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,