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>

3 files changed, 0 insertions, 109 deletions

diff --git a/board/enbw/enbw_cmc/enbw_cmc.c b/board/enbw/enbw_cmc/enbw_cmc.c
index 0874e9c4e8..67d5d4d6e5 100644
--- a/board/enbw/enbw_cmc/enbw_cmc.c
+++ b/board/enbw/enbw_cmc/enbw_cmc.c
@@ -778,35 +778,6 @@ void arch_memory_failure_handle(void)
 }
 #endif
 
-#if defined(CONFIG_BOOTCOUNT_LIMIT)
-void bootcount_store(ulong a)
-{
-	struct davinci_rtc *reg =
-		(struct davinci_rtc *)CONFIG_SYS_BOOTCOUNT_ADDR;
-
-	/*
-	 * write RTC kick register to enable write
-	 * for RTC Scratch registers. Scratch0 and 1 are
-	 * used for bootcount values.
-	 */
-	writel(RTC_KICK0R_WE, &reg->kick0r);
-	writel(RTC_KICK1R_WE, &reg->kick1r);
-	out_be32(&reg->scratch0, a);
-	out_be32(&reg->scratch1, BOOTCOUNT_MAGIC);
-}
-
-ulong bootcount_load(void)
-{
-	struct davinci_rtc *reg =
-		(struct davinci_rtc *)CONFIG_SYS_BOOTCOUNT_ADDR;
-
-	if (in_be32(&reg->scratch1) != BOOTCOUNT_MAGIC)
-		return 0;
-	else
-		return in_be32(&reg->scratch0);
-}
-#endif
-
 ulong post_word_load(void)
 {
 	struct davinci_rtc *reg =
diff --git a/board/keymile/km_arm/km_arm.c b/board/keymile/km_arm/km_arm.c
index 2b2ca39376..930c80e7c2 100644
--- a/board/keymile/km_arm/km_arm.c
+++ b/board/keymile/km_arm/km_arm.c
@@ -408,57 +408,6 @@ int hush_init_var(void)
 }
 #endif
 
-#if defined(CONFIG_BOOTCOUNT_LIMIT)
-const ulong patterns[]      = {	0x00000000,
-				0xFFFFFFFF,
-				0xFF00FF00,
-				0x0F0F0F0F,
-				0xF0F0F0F0};
-const ulong NBR_OF_PATTERNS = ARRAY_SIZE(patterns);
-const ulong OFFS_PATTERN    = 3;
-const ulong REPEAT_PATTERN  = 1000;
-
-void bootcount_store(ulong a)
-{
-	ulong *save_addr;
-	ulong size = 0;
-	int i;
-
-	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
-		size += gd->bd->bi_dram[i].size;
-	save_addr = (ulong *)(size - BOOTCOUNT_ADDR);
-	writel(a, save_addr);
-	writel(BOOTCOUNT_MAGIC, &save_addr[1]);
-
-	for (i = 0; i < REPEAT_PATTERN; i++)
-		writel(patterns[i % NBR_OF_PATTERNS],
-			&save_addr[i+OFFS_PATTERN]);
-
-}
-
-ulong bootcount_load(void)
-{
-	ulong *save_addr;
-	ulong size = 0;
-	ulong counter = 0;
-	int i, tmp;
-
-	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
-		size += gd->bd->bi_dram[i].size;
-	save_addr = (ulong *)(size - BOOTCOUNT_ADDR);
-
-	counter = readl(&save_addr[0]);
-
-	/* Is the counter reliable, check in the big pattern for bit errors */
-	for (i = 0; (i < REPEAT_PATTERN) && (counter != 0); i++) {
-		tmp = readl(&save_addr[i+OFFS_PATTERN]);
-		if (tmp != patterns[i % NBR_OF_PATTERNS])
-			counter = 0;
-	}
-	return counter;
-}
-#endif
-
 #if defined(CONFIG_SOFT_I2C)
 void set_sda(int state)
 {
diff --git a/board/omicron/calimain/calimain.c b/board/omicron/calimain/calimain.c
index 54415cedaf..1060a1f670 100644
--- a/board/omicron/calimain/calimain.c
+++ b/board/omicron/calimain/calimain.c
@@ -157,32 +157,3 @@ void hw_watchdog_reset(void)
 	davinci_hw_watchdog_reset();
 }
 #endif
-
-#if defined(CONFIG_BOOTCOUNT_LIMIT)
-void bootcount_store(ulong a)
-{
-	struct davinci_rtc *reg =
-		(struct davinci_rtc *)CONFIG_SYS_BOOTCOUNT_ADDR;
-
-	/*
-	 * write RTC kick register to enable write
-	 * for RTC Scratch registers. Scratch0 and 1 are
-	 * used for bootcount values.
-	 */
-	writel(RTC_KICK0R_WE, &reg->kick0r);
-	writel(RTC_KICK1R_WE, &reg->kick1r);
-	writel(a, &reg->scratch0);
-	writel(BOOTCOUNT_MAGIC, &reg->scratch1);
-}
-
-ulong bootcount_load(void)
-{
-	struct davinci_rtc *reg =
-		(struct davinci_rtc *)CONFIG_SYS_BOOTCOUNT_ADDR;
-
-	if (readl(&reg->scratch1) != BOOTCOUNT_MAGIC)
-		return 0;
-	else
-		return readl(&reg->scratch0);
-}
-#endif