u-boot/drivers/bootcount/bootcount.c
Heiko Schocher 2eb48ff7a2 powerpc, 8260: remove support for mpc8260
There was for long time no activity in the 8260 area.
We need to go further and convert to Kconfig, but it
turned out, nobody is interested anymore in 8260,
so remove it.

Signed-off-by: Heiko Schocher <hs@denx.de>
2017-06-12 08:38:02 -04:00

72 lines
2 KiB
C

/*
* (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_QE)
#include <linux/immap_qe.h>
#define CONFIG_SYS_BOOTCOUNT_ADDR (CONFIG_SYS_IMMR + 0x110000 + \
QE_MURAM_SIZE - 2 * sizeof(u32))
#endif /* defined(CONFIG_QE) */
#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 /* defined(CONFIG_SYS_BOOTCOUNT_SINGLEWORD */
}
__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 /* defined(CONFIG_SYS_BOOTCOUNT_SINGLEWORD) */
}
#endif /* defined(CONFIG_SYS_BOOTCOUNT_ADDR) */