Re: rts7751r2d cf_ide rework

[shinkoi2005 <shi...@gm...>]

 > I'm glad that it works on your R2D-1. Both my R2D-1 boards do not have
 > working CF. Just to double-check - are using a R2D with one or two pci
 > slots?
My R2D-1 has two pci slots.
The picture is the following.
<http://tree.celinuxforum.org/pubwiki/moin.cgi/RTS7751R2DHandlingManual>

> Can you please post the BVERREG and VERREG register values from your
> R2D-1? Then I'll post mine when I get back into the office.
My R2D-1's VERREG and BVERREG is the folloing.
R2D VERREG:0x0033, BVERREG:0x0011

diff a/arch/sh/boards/renesas/rts7751r2d/irq.c b/arch/sh/boards/renesas/rts7751r2d/irq.c
--- a/arch/sh/boards/renesas/rts7751r2d/irq.c
+++ b/arch/sh/boards/renesas/rts7751r2d/irq.c
@@ -129,8 +129,12 @@ int rts7751r2d_irq_demux(int irq)
  void __init init_rts7751r2d_IRQ(void)
  {
  	struct intc_desc *d;
+	unsigned short ver  = ctrl_inw(PA_VERREG);  /* FPGA Revision  */
+	unsigned short bver = ctrl_inw(PA_BVERREG); /* Board Revision */

-	switch (ctrl_inw(PA_VERREG) & 0xf0) {
+	printk(KERN_INFO "R2D VERREG:0x%04x, BVERREG:0x%04x\n", ver, bver);
+
+	switch (ver & 0xf0) {
  #ifdef CONFIG_RTS7751R2D_PLUS
  	case 0x10:
  		printk(KERN_INFO "Using R2D-PLUS interrupt controller.\n");
@@ -148,7 +152,7 @@ void __init init_rts7751r2d_IRQ(void)
  #endif
  	default:
  		printk(KERN_INFO "Unknown R2D interrupt controller 0x%04x\n",
-		       ctrl_inw(PA_VERREG));
+		       ver);
  		return;
  	}