From 0044c42e94ecc258728190919b4619508fb83089 Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Thu, 16 Aug 2012 17:55:41 +0000 Subject: 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 Cc: Heiko Schocher Cc: Valentin Longchamp Cc: Christian Riesch Cc: Manfred Rudigier Cc: Mike Frysinger Cc: Rob Herring Cc: Reinhard Meyer Tested-by: Valentin Longchamp Tested-by: Christian Riesch Acked-by: Rob Herring Acked-by: Mike Frysinger --- board/keymile/km_arm/km_arm.c | 51 ------------------------------------------- 1 file changed, 51 deletions(-) (limited to 'board/keymile/km_arm') diff --git a/board/keymile/km_arm/km_arm.c b/board/keymile/km_arm/km_arm.c index 2b2ca39..930c80e 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) { -- cgit v1.1