Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / drivers / bootcount / bootcount.c

diff --git a/qemu/roms/u-boot/drivers/bootcount/bootcount.c b/qemu/roms/u-boot/drivers/bootcount/bootcount.c
new file mode 100644 (file)
index 0000000..3ad4413
--- /dev/null
+++ b/qemu/roms/u-boot/drivers/bootcount/bootcount.c
@@ -0,0 +1,84 @@
+/*
+ * (C) Copyright 2010-2012
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <bootcount.h>
+#include <linux/compiler.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) */
+
+/* Now implement the generic default functions */
+#if defined(CONFIG_SYS_BOOTCOUNT_ADDR)
+__weak void bootcount_store(ulong a)
+{
+       void *reg = (void *)CONFIG_SYS_BOOTCOUNT_ADDR;
+
+#if defined(CONFIG_SYS_BOOTCOUNT_SINGLEWORD)
+       raw_bootcount_store(reg, (BOOTCOUNT_MAGIC & 0xffff0000) | a);
+#else
+       raw_bootcount_store(reg, a);
+       raw_bootcount_store(reg + 4, BOOTCOUNT_MAGIC);
+#endif
+}
+
+__weak ulong bootcount_load(void)
+{
+       void *reg = (void *)CONFIG_SYS_BOOTCOUNT_ADDR;
+
+#if defined(CONFIG_SYS_BOOTCOUNT_SINGLEWORD)
+       u32 tmp = raw_bootcount_load(reg);
+
+       if ((tmp & 0xffff0000) != (BOOTCOUNT_MAGIC & 0xffff0000))
+               return 0;
+       else
+               return (tmp & 0x0000ffff);
+#else
+       if (raw_bootcount_load(reg + 4) != BOOTCOUNT_MAGIC)
+               return 0;
+       else
+               return raw_bootcount_load(reg);
+#endif
+}
+#endif