[POWERPC] 4xx: Add AMCC 460EX/460GT support to cputable.c & cpu_setup_44x.S

This patch adds basic support for the AMCC 460EX/460GT PPC's to arch/powerpc.
Currently those PPC's are still based on a 440 core and *not* a 460 core.

Here some basic features of those SoC's:

460EX:
- Up to 1.2GHz, 32kB L1 I-cache and D-cache, 256kB L2-cache, FPU
- 1 * PCI (max 66MHz), 2 * PCIe (one 4-lane, one 1-lane)
- 2 * GBit Ethernet with TCP/IP acceleration
- USB 2.0 Host/Device OTG and Host interface
- SATA controller
- Optional security feature

460GT (only changes to 460EX):
- 4 * GBit Ethernet with TCP/IP acceleration
- RapidIO
- No SATA
- No USB

Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>

arch/powerpc/kernel/cpu_setup_44x.S

@@ -3,7 +3,7 @@
  * Valentine Barshak <vbarshak@ru.mvista.com>
  * MontaVista Software, Inc (c) 2007
  *
- * Based on cpu_setup_6xx code by 
+ * Based on cpu_setup_6xx code by
  * Benjamin Herrenschmidt <benh@kernel.crashing.org>
  *
  * This program is free software; you can redistribute it and/or
@@ -32,6 +32,9 @@ _GLOBAL(__setup_cpu_440grx)
 	bl	__fixup_440A_mcheck
 	mtlr	r4
 	blr
+_GLOBAL(__setup_cpu_460ex)
+_GLOBAL(__setup_cpu_460gt)
+	b	__init_fpu_44x
 _GLOBAL(__setup_cpu_440gx)
 _GLOBAL(__setup_cpu_440spe)
 	b	__fixup_440A_mcheck

arch/powerpc/kernel/cputable.c

@@ -36,6 +36,8 @@ extern void __setup_cpu_440epx(unsigned long offset, struct cpu_spec* spec);
 extern void __setup_cpu_440gx(unsigned long offset, struct cpu_spec* spec);
 extern void __setup_cpu_440grx(unsigned long offset, struct cpu_spec* spec);
 extern void __setup_cpu_440spe(unsigned long offset, struct cpu_spec* spec);
+extern void __setup_cpu_460ex(unsigned long offset, struct cpu_spec* spec);
+extern void __setup_cpu_460gt(unsigned long offset, struct cpu_spec* spec);
 extern void __setup_cpu_603(unsigned long offset, struct cpu_spec* spec);
 extern void __setup_cpu_604(unsigned long offset, struct cpu_spec* spec);
 extern void __setup_cpu_750(unsigned long offset, struct cpu_spec* spec);
@@ -1397,6 +1399,30 @@ static struct cpu_spec __initdata cpu_specs[] = {
 		.machine_check		= machine_check_440A,
 		.platform		= "ppc440",
 	},
+	{ /* 460EX */
+		.pvr_mask		= 0xffff0002,
+		.pvr_value		= 0x13020002,
+		.cpu_name		= "460EX",
+		.cpu_features		= CPU_FTRS_44X,
+		.cpu_user_features	= COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU,
+		.icache_bsize		= 32,
+		.dcache_bsize		= 32,
+		.cpu_setup		= __setup_cpu_460ex,
+		.machine_check		= machine_check_440A,
+		.platform		= "ppc440",
+	},
+	{ /* 460GT */
+		.pvr_mask		= 0xffff0002,
+		.pvr_value		= 0x13020000,
+		.cpu_name		= "460GT",
+		.cpu_features		= CPU_FTRS_44X,
+		.cpu_user_features	= COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU,
+		.icache_bsize		= 32,
+		.dcache_bsize		= 32,
+		.cpu_setup		= __setup_cpu_460gt,
+		.machine_check		= machine_check_440A,
+		.platform		= "ppc440",
+	},
 #endif /* CONFIG_44x */
 #ifdef CONFIG_FSL_BOOKE
 #ifdef CONFIG_E200
@@ -1512,7 +1538,7 @@ struct cpu_spec * __init identify_cpu(unsigned long offset, unsigned int pvr)
 				*t = *s;
 			*PTRRELOC(&cur_cpu_spec) = &the_cpu_spec;
 #if defined(CONFIG_PPC64) || defined(CONFIG_BOOKE)
-			/* ppc64 and booke expect identify_cpu to also call 
+			/* ppc64 and booke expect identify_cpu to also call
 			 * setup_cpu for that processor. I will consolidate
 			 * that at a later time, for now, just use #ifdef.
 			 * we also don't need to PTRRELOC the function pointer