Consolidate bootcount code into drivers/bootcount

This patch moves all bootcount implementations into a common
directory: drivers/bootcount. The generic bootcount driver
is now usable not only by powerpc platforms, but others as well.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Heiko Schocher <hs@denx.de>
Cc: Valentin Longchamp <valentin.longchamp@keymile.com>
Cc: Christian Riesch <christian.riesch@omicron.at>
Cc: Manfred Rudigier <manfred.rudigier@omicron.at>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Reinhard Meyer <reinhard.meyer@emk-elektronik.de>
Tested-by: Valentin Longchamp <valentin.longchamp@keymile.com>
Tested-by: Christian Riesch <christian.riesch@omicron.at>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>

8 files changed, 1 insertions, 218 deletions

diff --git a/arch/arm/cpu/arm926ejs/at91/cpu.c b/arch/arm/cpu/arm926ejs/at91/cpu.c
index c47fb31..5cf4fad 100644
--- a/arch/arm/cpu/arm926ejs/at91/cpu.c
+++ b/arch/arm/cpu/arm926ejs/at91/cpu.c
@@ -71,29 +71,3 @@ int print_cpuinfo(void)
 	return 0;
 }
 #endif
-
-#ifdef CONFIG_BOOTCOUNT_LIMIT
-/*
- * We combine the BOOTCOUNT_MAGIC and bootcount in one 32-bit register.
- * This is done so we need to use only one of the four GPBR registers.
- */
-void bootcount_store (ulong a)
-{
-	at91_gpbr_t *gpbr = (at91_gpbr_t *) ATMEL_BASE_GPBR;
-
-	writel((BOOTCOUNT_MAGIC & 0xffff0000) | (a & 0x0000ffff),
-		&gpbr->reg[AT91_GPBR_INDEX_BOOTCOUNT]);
-}
-
-ulong bootcount_load (void)
-{
-	at91_gpbr_t *gpbr = (at91_gpbr_t *) ATMEL_BASE_GPBR;
-
-	ulong val = readl(&gpbr->reg[AT91_GPBR_INDEX_BOOTCOUNT]);
-	if ((val & 0xffff0000) != (BOOTCOUNT_MAGIC & 0xffff0000))
-		return 0;
-	else
-		return val & 0x0000ffff;
-}
-
-#endif /* CONFIG_BOOTCOUNT_LIMIT */
diff --git a/arch/arm/cpu/armv7/highbank/Makefile b/arch/arm/cpu/armv7/highbank/Makefile
index 917c3a3..76faeb0 100644
--- a/arch/arm/cpu/armv7/highbank/Makefile
+++ b/arch/arm/cpu/armv7/highbank/Makefile
@@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk
 
 LIB	= $(obj)lib$(SOC).o
 
-COBJS	:= timer.o bootcount.o
+COBJS	:= timer.o
 SOBJS	:=
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
diff --git a/arch/arm/cpu/armv7/highbank/bootcount.c b/arch/arm/cpu/armv7/highbank/bootcount.c
deleted file mode 100644
index 9ca0656..0000000
--- a/arch/arm/cpu/armv7/highbank/bootcount.c
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Copyright 2011 Calxeda, Inc.
- *
- * 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 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, see <http://www.gnu.org/licenses/>.
- */
-
-#include <common.h>
-#include <asm/io.h>
-
-#ifdef CONFIG_BOOTCOUNT_LIMIT
-void bootcount_store(ulong a)
-{
-	writel((BOOTCOUNT_MAGIC & 0xffff0000) | a, CONFIG_SYS_BOOTCOUNT_ADDR);
-}
-
-ulong bootcount_load(void)
-{
-	u32 tmp = readl(CONFIG_SYS_BOOTCOUNT_ADDR);
-
-	if ((tmp & 0xffff0000) != (BOOTCOUNT_MAGIC & 0xffff0000))
-		return 0;
-	else
-		return tmp & 0x0000ffff;
-}
-#endif
diff --git a/arch/arm/cpu/ixp/cpu.c b/arch/arm/cpu/ixp/cpu.c
index 942845d..f1864d6 100644
--- a/arch/arm/cpu/ixp/cpu.c
+++ b/arch/arm/cpu/ixp/cpu.c
@@ -107,28 +107,6 @@ void pci_init(void)
 }
 */
 
-#ifdef CONFIG_BOOTCOUNT_LIMIT
-
-void bootcount_store (ulong a)
-{
-	volatile ulong *save_addr = (volatile ulong *)(CONFIG_SYS_BOOTCOUNT_ADDR);
-
-	save_addr[0] = a;
-	save_addr[1] = BOOTCOUNT_MAGIC;
-}
-
-ulong bootcount_load (void)
-{
-	volatile ulong *save_addr = (volatile ulong *)(CONFIG_SYS_BOOTCOUNT_ADDR);
-
-	if (save_addr[1] != BOOTCOUNT_MAGIC)
-		return 0;
-	else
-		return save_addr[0];
-}
-
-#endif /* CONFIG_BOOTCOUNT_LIMIT */
-
 int cpu_eth_init(bd_t *bis)
 {
 #ifdef CONFIG_IXP4XX_NPE
diff --git a/arch/blackfin/cpu/Makefile b/arch/blackfin/cpu/Makefile
index 5deaa9e..0a72ec5 100644
--- a/arch/blackfin/cpu/Makefile
+++ b/arch/blackfin/cpu/Makefile
@@ -17,7 +17,6 @@ EXTRA    := init.elf
 CEXTRA   := initcode.o
 SEXTRA   := start.o
 SOBJS    := interrupt.o cache.o
-COBJS-$(CONFIG_BOOTCOUNT_LIMIT) += bootcount.o
 COBJS-y  += cpu.o
 COBJS-y  += gpio.o
 COBJS-y  += interrupts.o
diff --git a/arch/blackfin/cpu/bootcount.c b/arch/blackfin/cpu/bootcount.c
deleted file mode 100644
index 6cf6dd5..0000000
--- a/arch/blackfin/cpu/bootcount.c
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * functions for handling bootcount support
- *
- * Copyright (c) 2010 Analog Devices Inc.
- *
- * Licensed under the 2-clause BSD.
- */
-
-/* This version uses one 32bit storage and combines the magic/count */
-
-#include <common.h>
-
-/* We abuse the EVT0 MMR for bootcount storage by default */
-#ifndef CONFIG_SYS_BOOTCOUNT_ADDR
-# define CONFIG_SYS_BOOTCOUNT_ADDR EVT0
-#endif
-
-#define MAGIC_MASK 0xffff0000
-#define COUNT_MASK 0x0000ffff
-
-void bootcount_store(ulong cnt)
-{
-	ulong magic = (BOOTCOUNT_MAGIC & MAGIC_MASK) | (cnt & COUNT_MASK);
-	bfin_write32(CONFIG_SYS_BOOTCOUNT_ADDR, magic);
-}
-
-ulong bootcount_load(void)
-{
-	ulong magic = bfin_read32(CONFIG_SYS_BOOTCOUNT_ADDR);
-	if ((magic & MAGIC_MASK) == (BOOTCOUNT_MAGIC & MAGIC_MASK))
-		return magic & COUNT_MASK;
-	else
-		return 0;
-}
diff --git a/arch/powerpc/lib/Makefile b/arch/powerpc/lib/Makefile
index cdd62a2..965f9ea 100644
--- a/arch/powerpc/lib/Makefile
+++ b/arch/powerpc/lib/Makefile
@@ -46,7 +46,6 @@ SOBJS-y	+= reloc.o
 COBJS-$(CONFIG_BAT_RW) += bat_rw.o
 COBJS-y	+= board.o
 COBJS-y	+= bootm.o
-COBJS-$(CONFIG_BOOTCOUNT_LIMIT) += bootcount.o
 COBJS-y	+= cache.o
 COBJS-y	+= extable.o
 COBJS-y	+= interrupts.o
diff --git a/arch/powerpc/lib/bootcount.c b/arch/powerpc/lib/bootcount.c
deleted file mode 100644
index f9ce539..0000000
--- a/arch/powerpc/lib/bootcount.c
+++ /dev/null
@@ -1,97 +0,0 @@
-/*
- * (C) Copyright 2010
- * Stefan Roese, DENX Software Engineering, sr@denx.de.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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 <common.h>
-#include <asm/io.h>
-
-/*
- * Only override CONFIG_SYS_BOOTCOUNT_ADDR if not already defined. This
- * way, some boards can define it directly in their config header.
- */
-#if !defined(CONFIG_SYS_BOOTCOUNT_ADDR)
-
-#if defined(CONFIG_MPC5xxx)
-#define CONFIG_SYS_BOOTCOUNT_ADDR	(MPC5XXX_CDM_BRDCRMB)
-#define CONFIG_SYS_BOOTCOUNT_SINGLEWORD
-#endif /* defined(CONFIG_MPC5xxx) */
-
-#if defined(CONFIG_MPC512X)
-#define CONFIG_SYS_BOOTCOUNT_ADDR	(&((immap_t *)CONFIG_SYS_IMMR)->clk.bcr)
-#define CONFIG_SYS_BOOTCOUNT_SINGLEWORD
-#endif /* defined(CONFIG_MPC512X) */
-
-#if defined(CONFIG_8xx)
-#define CONFIG_SYS_BOOTCOUNT_ADDR (((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_dpmem + \
-				CPM_BOOTCOUNT_ADDR)
-#endif /* defined(CONFIG_8xx) */
-
-#if defined(CONFIG_MPC8260)
-#include <asm/cpm_8260.h>
-
-#define CONFIG_SYS_BOOTCOUNT_ADDR	(CONFIG_SYS_IMMR + CPM_BOOTCOUNT_ADDR)
-#endif /* defined(CONFIG_MPC8260) */
-
-#if defined(CONFIG_QE)
-#include <asm/immap_qe.h>
-
-#define CONFIG_SYS_BOOTCOUNT_ADDR	(CONFIG_SYS_IMMR + 0x110000 + \
-					 QE_MURAM_SIZE - 2 * sizeof(u32))
-#endif /* defined(CONFIG_MPC8360) */
-
-#if defined(CONFIG_4xx)
-#define CONFIG_SYS_BOOTCOUNT_ADDR	(CONFIG_SYS_OCM_DATA_ADDR + \
-				CONFIG_SYS_BOOTCOUNT_ADDR)
-#endif /* defined(CONFIG_4xx) */
-
-#endif /* !defined(CONFIG_SYS_BOOTCOUNT_ADDR) */
-
-void bootcount_store(ulong a)
-{
-	void *reg = (void *)CONFIG_SYS_BOOTCOUNT_ADDR;
-
-#if defined(CONFIG_SYS_BOOTCOUNT_SINGLEWORD)
-	out_be32(reg, (BOOTCOUNT_MAGIC & 0xffff0000) | a);
-#else
-	out_be32(reg, a);
-	out_be32(reg + 4, BOOTCOUNT_MAGIC);
-#endif
-}
-
-ulong bootcount_load(void)
-{
-	void *reg = (void *)CONFIG_SYS_BOOTCOUNT_ADDR;
-
-#if defined(CONFIG_SYS_BOOTCOUNT_SINGLEWORD)
-	u32 tmp = in_be32(reg);
-
-	if ((tmp & 0xffff0000) != (BOOTCOUNT_MAGIC & 0xffff0000))
-		return 0;
-	else
-		return (tmp & 0x0000ffff);
-#else
-	if (in_be32(reg + 4) != BOOTCOUNT_MAGIC)
-		return 0;
-	else
-		return in_be32(reg);
-#endif
-}