MIPS: Sibyte: Remove standalone kernel support

CFE is the only supported and used bootloader on the SiByte boards,
the standalone kernel support has been never used outside Broadcom.
Remove it and make the kernel use CFE by default.

Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/Makefile

@@ -167,7 +167,6 @@ libs-$(CONFIG_ARC)		+= arch/mips/fw/arc/
 libs-$(CONFIG_CFE)		+= arch/mips/fw/cfe/
 libs-$(CONFIG_SNIPROM)		+= arch/mips/fw/sni/
 libs-y				+= arch/mips/fw/lib/
-libs-$(CONFIG_SIBYTE_CFE)	+= arch/mips/sibyte/cfe/
 
 #
 # Board-dependent options and extra files

arch/mips/sibyte/Kconfig

@@ -75,6 +75,8 @@ config SIBYTE_SB1xxx_SOC
 	select SWAP_IO_SPACE
 	select SYS_SUPPORTS_32BIT_KERNEL
 	select SYS_SUPPORTS_64BIT_KERNEL
+	select CFE
+	select SYS_HAS_EARLY_PRINTK
 
 choice
 	prompt "SiByte SOC Stepping"
@@ -136,34 +138,14 @@ config SB1_CERR_STALL
 	bool "Stall (rather than panic) on fatal cache error"
 	depends on SIBYTE_SB1xxx_SOC
 
-config SIBYTE_CFE
-	bool "Booting from CFE"
-	depends on SIBYTE_SB1xxx_SOC
-	select CFE
-	select SYS_HAS_EARLY_PRINTK
-	help
-	  Make use of the CFE API for enumerating available memory,
-	  controlling secondary CPUs, and possibly console output.
-
 config SIBYTE_CFE_CONSOLE
 	bool "Use firmware console"
-	depends on SIBYTE_CFE
+	depends on SIBYTE_SB1xxx_SOC
 	help
 	  Use the CFE API's console write routines during boot.  Other console
 	  options (VT console, sb1250 duart console, etc.) should not be
 	  configured.
 
-config SIBYTE_STANDALONE
-	bool
-	depends on SIBYTE_SB1xxx_SOC && !SIBYTE_CFE
-	select SYS_HAS_EARLY_PRINTK
-	default y
-
-config SIBYTE_STANDALONE_RAM_SIZE
-	int "Memory size (in megabytes)"
-	depends on SIBYTE_STANDALONE
-	default "32"
-
 config SIBYTE_BUS_WATCHER
 	bool "Support for Bus Watcher statistics"
 	depends on SIBYTE_SB1xxx_SOC

arch/mips/sibyte/cfe/Makefile

@@ -1,2 +0,0 @@
-lib-y					= setup.o
-lib-$(CONFIG_SIBYTE_CFE_CONSOLE)	+= console.o

arch/mips/sibyte/common/Makefile

@@ -1,5 +1,5 @@
-obj-y :=
-
+obj-y := cfe.o
+obj-$(CONFIG_SIBYTE_CFE_CONSOLE)	+= cfe_console.o
 obj-$(CONFIG_SIBYTE_TBPROF)		+= sb_tbprof.o
 
 EXTRA_CFLAGS += -Werror

arch/mips/sibyte/sb1250/Makefile

@@ -1,7 +1,6 @@
 obj-y := setup.o irq.o time.o
 
 obj-$(CONFIG_SMP)			+= smp.o
-obj-$(CONFIG_SIBYTE_STANDALONE)		+= prom.o
 obj-$(CONFIG_SIBYTE_BUS_WATCHER)	+= bus_watcher.o
 
 EXTRA_CFLAGS += -Werror

arch/mips/sibyte/sb1250/prom.c

@@ -1,96 +0,0 @@
-/*
- * Copyright (C) 2000, 2001 Broadcom Corporation
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
- */
-
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/blkdev.h>
-#include <linux/bootmem.h>
-#include <linux/smp.h>
-#include <linux/initrd.h>
-#include <linux/pm.h>
-
-#include <asm/bootinfo.h>
-#include <asm/reboot.h>
-
-#define MAX_RAM_SIZE ((CONFIG_SIBYTE_STANDALONE_RAM_SIZE * 1024 * 1024) - 1)
-
-static __init void prom_meminit(void)
-{
-#ifdef CONFIG_BLK_DEV_INITRD
-	unsigned long initrd_pstart;
-	unsigned long initrd_pend;
-
-	initrd_pstart = __pa(initrd_start);
-	initrd_pend = __pa(initrd_end);
-	if (initrd_start &&
-	    ((initrd_pstart > MAX_RAM_SIZE)
-	     || (initrd_pend > MAX_RAM_SIZE))) {
-		panic("initrd out of addressable memory");
-	}
-
-	add_memory_region(0, initrd_pstart,
-			  BOOT_MEM_RAM);
-	add_memory_region(initrd_pstart, initrd_pend - initrd_pstart,
-			  BOOT_MEM_RESERVED);
-	add_memory_region(initrd_pend,
-			  (CONFIG_SIBYTE_STANDALONE_RAM_SIZE * 1024 * 1024) - initrd_pend,
-			  BOOT_MEM_RAM);
-#else
-	add_memory_region(0, CONFIG_SIBYTE_STANDALONE_RAM_SIZE * 1024 * 1024,
-			  BOOT_MEM_RAM);
-#endif
-}
-
-void prom_cpu0_exit(void *unused)
-{
-        while (1) ;
-}
-
-static void prom_linux_exit(void)
-{
-#ifdef CONFIG_SMP
-	if (smp_processor_id()) {
-		smp_call_function(prom_cpu0_exit, NULL, 1);
-	}
-#endif
-	while(1);
-}
-
-/*
- * prom_init is called just after the cpu type is determined, from setup_arch()
- */
-void __init prom_init(void)
-{
-	_machine_restart   = (void (*)(char *))prom_linux_exit;
-	_machine_halt      = prom_linux_exit;
-	pm_power_off = prom_linux_exit;
-
-	strcpy(arcs_cmdline, "root=/dev/ram0 ");
-
-	prom_meminit();
-}
-
-void __init prom_free_prom_memory(void)
-{
-	/* Not sure what I'm supposed to do here.  Nothing, I think */
-}
-
-void prom_putchar(char c)
-{
-}

arch/mips/sibyte/swarm/setup.c

@@ -136,16 +136,6 @@ void __init plat_mem_setup(void)
 	if (m41t81_probe())
 		swarm_rtc_type = RTC_M4LT81;
 
-	printk("This kernel optimized for "
-	       "board"
-	       " runs "
-#ifdef CONFIG_SIBYTE_CFE
-	       "with"
-#else
-	       "without"
-#endif
-	       " CFE\n");
-
 #ifdef CONFIG_VT
 	screen_info = (struct screen_info) {
 		0, 0,           /* orig-x, orig-y */