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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: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
hifive-unleashed-5.1
Magnus Damm 2007-08-03 10:16:29 +09:00 committed by Paul Mundt
parent a3b3e23015
commit 5ca95c48f1
2 changed files with 9 additions and 2 deletions
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9
arch/sh/boards/renesas/rts7751r2d/setup.c
View File

@ -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));
}

2
include/asm-sh/rts7751r2d.h
View File

@ -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 */