X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=arch%2Fmips%2Fau1000%2Fcommon%2Fsetup.c;h=1ac6b06f42a369ef8e8d578bf33c72ef99eafe44;hb=7fecc34e07e02b4d9dab1a1f4bf7fdac0a656b9b;hp=0e86f7a6b4a7f5ad60fa1a24cab5b14d7c815508;hpb=2c4aabcca847ac4c92aa5e960c3f6053e1051b62;p=linux-2.6-omap-h63xx.git

diff --git a/arch/mips/au1000/common/setup.c b/arch/mips/au1000/common/setup.c
index 0e86f7a6b4a..1ac6b06f42a 100644
--- a/arch/mips/au1000/common/setup.c
+++ b/arch/mips/au1000/common/setup.c
@@ -1,7 +1,6 @@
 /*
- * Copyright 2000 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *         	ppopov@mvista.com or source@mvista.com
+ * Copyright 2000, 2007-2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com
  *
  * Updates to 2.6, Pete Popov, Embedded Alley Solutions, Inc.
  *
@@ -48,7 +47,7 @@ void __init plat_mem_setup(void)
 {
 	struct	cpu_spec *sp;
 	char *argptr;
-	unsigned long prid, cpufreq, bclk = 1;
+	unsigned long prid, cpufreq, bclk;
 
 	set_cpuspec();
 	sp = cur_cpu_spec[0];
@@ -66,42 +65,39 @@ void __init plat_mem_setup(void)
 		cpufreq = (au_readl(SYS_CPUPLL) & 0x3F) * 12;
 	printk(KERN_INFO "(PRID %08lx) @ %ld MHz\n", prid, cpufreq);
 
-	bclk = sp->cpu_bclk;
-	if (bclk)
-	{
+	if (sp->cpu_bclk) {
 		/* Enable BCLK switching */
-		bclk = au_readl(0xB190003C);
-		au_writel(bclk | 0x60, 0xB190003C);
-		printk("BCLK switching enabled!\n");
+		bclk = au_readl(SYS_POWERCTRL);
+		au_writel(bclk | 0x60, SYS_POWERCTRL);
+		printk(KERN_INFO "BCLK switching enabled!\n");
 	}
 
-	if (sp->cpu_od) {
-		/* Various early Au1000 Errata corrected by this */
-		set_c0_config(1<<19); /* Set Config[OD] */
-	}
-	else {
+	if (sp->cpu_od)
+		/* Various early Au1xx0 errata corrected by this */
+		set_c0_config(1 << 19); /* Set Config[OD] */
+	else
 		/* Clear to obtain best system bus performance */
-		clear_c0_config(1<<19); /* Clear Config[OD] */
-	}
+		clear_c0_config(1 << 19); /* Clear Config[OD] */
 
 	argptr = prom_getcmdline();
 
 #ifdef CONFIG_SERIAL_8250_CONSOLE
-	if ((argptr = strstr(argptr, "console=")) == NULL) {
+	argptr = strstr(argptr, "console=");
+	if (argptr == NULL) {
 		argptr = prom_getcmdline();
 		strcat(argptr, " console=ttyS0,115200");
 	}
 #endif
 
 #ifdef CONFIG_FB_AU1100
-    if ((argptr = strstr(argptr, "video=")) == NULL) {
-        argptr = prom_getcmdline();
-        /* default panel */
-        /*strcat(argptr, " video=au1100fb:panel:Sharp_320x240_16");*/
-    }
+	argptr = strstr(argptr, "video=");
+	if (argptr == NULL) {
+		argptr = prom_getcmdline();
+		/* default panel */
+		/*strcat(argptr, " video=au1100fb:panel:Sharp_320x240_16");*/
+	}
 #endif
 
-
 #if defined(CONFIG_SOUND_AU1X00) && !defined(CONFIG_SOC_AU1000)
 	/* au1000 does not support vra, au1500 and au1100 do */
 	strcat(argptr, " au1000_audio=vra");
@@ -129,7 +125,7 @@ void __init plat_mem_setup(void)
 /* This routine should be valid for all Au1x based boards */
 phys_t __fixup_bigphys_addr(phys_t phys_addr, phys_t size)
 {
-	/* Don't fixup 36 bit addresses */
+	/* Don't fixup 36-bit addresses */
 	if ((phys_addr >> 32) != 0)
 		return phys_addr;
 
@@ -145,17 +141,17 @@ phys_t __fixup_bigphys_addr(phys_t phys_addr, phys_t size)
 	}
 #endif
 
-	/* All Au1x SOCs have a pcmcia controller */
-	/* We setup our 32 bit pseudo addresses to be equal to the
-	 * 36 bit addr >> 4, to make it easier to check the address
+	/*
+	 * All Au1xx0 SOCs have a PCMCIA controller.
+	 * We setup our 32-bit pseudo addresses to be equal to the
+	 * 36-bit addr >> 4, to make it easier to check the address
 	 * and fix it.
-	 * The Au1x socket 0 phys attribute address is 0xF 4000 0000.
+	 * The PCMCIA socket 0 physical attribute address is 0xF 4000 0000.
 	 * The pseudo address we use is 0xF400 0000. Any address over
-	 * 0xF400 0000 is a pcmcia pseudo address.
+	 * 0xF400 0000 is a PCMCIA pseudo address.
 	 */
-	if ((phys_addr >= 0xF4000000) && (phys_addr < 0xFFFFFFFF)) {
+	if ((phys_addr >= 0xF4000000) && (phys_addr < 0xFFFFFFFF))
 		return (phys_t)(phys_addr << 4);
-	}
 
 	/* default nop */
 	return phys_addr;