[Hackndev-commit] SF.net SVN: hackndev: [959] linux4palm/linux/trunk/arch/arm/mach-pxa/palmld /palmld.c

[<mar...@us...>]

Revision: 959
          http://svn.sourceforge.net/hackndev/?rev=959&view=rev
Author:   marex_z71
Date:     2007-04-21 00:47:13 -0700 (Sat, 21 Apr 2007)

Log Message:
-----------
PalmLD: prevent WM9712 constantly interrupting the CPU as on other palms

Modified Paths:
--------------
    linux4palm/linux/trunk/arch/arm/mach-pxa/palmld/palmld.c

Modified: linux4palm/linux/trunk/arch/arm/mach-pxa/palmld/palmld.c
===================================================================
--- linux4palm/linux/trunk/arch/arm/mach-pxa/palmld/palmld.c	2007-04-19 18:09:06 UTC (rev 958)
+++ linux4palm/linux/trunk/arch/arm/mach-pxa/palmld/palmld.c	2007-04-21 07:47:13 UTC (rev 959)
@@ -362,6 +362,18 @@
 
 static void __init palmld_init(void)
 {
+	// disable interrupt to prevent WM9712 constantly interrupting the CPU
+	// and preventing the boot process to complete (Thanx Alex & Shadowmite!)
+
+	GCR &= ~GCR_PRIRDY_IEN;
+
+	// set AC97's GPIOs
+
+	pxa_gpio_mode(GPIO28_BITCLK_AC97_MD);
+	pxa_gpio_mode(GPIO29_SDATA_IN_AC97_MD);
+	pxa_gpio_mode(GPIO30_SDATA_OUT_AC97_MD);
+	pxa_gpio_mode(GPIO31_SYNC_AC97_MD);
+									
 	set_pxa_fb_info( &palmld_lcd_screen );
 	pxa_set_mci_info( &palmld_mci_platform_data );
 	platform_add_devices( devices, ARRAY_SIZE(devices) );


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