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Commit 5ca95c48 authored by Magnus Damm's avatar Magnus Damm Committed by Paul Mundt
Browse files

sh: fix cf support on r2d boards 



This patch makes sure cf support is enabled on R2D-PLUS but disabled
on R2D-1. Without this fix R2D-1 boards hang on bootup.

Signed-off-by: default avatarMagnus Damm <damm@igel.co.jp>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent a3b3e230

arch/sh/boards/renesas/rts7751r2d/setup.c

+8 −1
Original line number Diff line number Diff line
@@ -140,12 +140,19 @@ static struct platform_device sm501_device = { 
static struct platform_device *rts7751r2d_devices[] __initdata = {

	&uart_device,

	&heartbeat_device,

	&cf_ide_device,

	&sm501_device,

};



static int __init rts7751r2d_devices_setup(void)

{

	int ret;



	if (ctrl_inw(PA_BVERREG) == 0x10) { /* only working on R2D-PLUS */

		ret = platform_device_register(&cf_ide_device);

		if (ret)

			return ret;

	}



	return platform_add_devices(rts7751r2d_devices,

				    ARRAY_SIZE(rts7751r2d_devices));

}

include/asm-sh/rts7751r2d.h

+1 −1
Original line number Diff line number Diff line
@@ -37,7 +37,7 @@ 
#define PA_VERREG	0xa4000032	/* FPGA Version Register */

#define PA_INPORT	0xa4000034	/* KEY Input Port control */

#define PA_OUTPORT	0xa4000036	/* LED control */

#define PA_DMPORT	0xa4000038	/* DM270 Output Port control */

#define PA_BVERREG	0xa4000038	/* Board Revision Register */



#define PA_AX88796L	0xaa000400	/* AX88796L Area */

#define PA_VOYAGER	0xab000000	/* VOYAGER GX Area */